Suction device for sewage treatment

Abstract

The utility model discloses a suction device for sewage treatment, which relates to the technical field of sewage treatment and comprises a filter cartridge, a filter screen is mounted in the filter cartridge and is funnel-shaped, a motor is arranged on the top surface of the filter cartridge, a driving end of the motor is connected with a rotating shaft, the other end of the rotating shaft is rotatably connected to the inner bottom wall of the filter cartridge, and the filter screen is arranged on the inner bottom wall of the filter cartridge. The filter screen is sleeved on the outer wall of the rotating shaft, a cleaning frame is arranged in the filter cartridge, bristles are arranged in the cleaning frame, the bristles abut against the surface of the filter screen, a spring is connected to the inner top wall of the cleaning frame, the other end of the spring is connected with a mounting plate, the bristles are arranged on the mounting plate, and the cleaning frame is connected with the cleaning frame. A trigger assembly is arranged on the outer wall of the mounting plate; the elastic force is released through the spring, so that the bristles abut against the surface of the filter screen again; the situation that the sewage treatment effect is weakened due to the fact that the bristles are abraded under the condition of long-term use is prevented, and the resource utilization degree is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field, concretely is a kind of suction device for sewage treatment. BACKGROUND

[0002] Sewage treatment is one of important problems urgently to be solved in today's society, and suction device as the key equipment in sewage treatment process, its development and improvement have extremely important significance.

[0003] For example, the existing patent (publication number: CN219072312U) discloses a filter device for sewage treatment, including filter cartridge, sewage pump and motor, the filter cartridge upper end is equipped with bucket cover, the bucket cover upper end is provided with water inlet, the lower end of filter cartridge is provided with base support, the left end of filter cartridge is provided with filter residue bucket, the left end of filter cartridge is equipped with sewage pump, the air inlet end of sewage pump is equipped with sewage main pipe, the air outlet end of sewage pump is connected with filter residue bucket, the right end of sewage main pipe is fixedly connected with three groups of sewage branch pipes, the filter cartridge is equipped with rotating shaft through bearing.

[0004] But the above-mentioned design of a kind of filter device for sewage treatment still has some shortcomings when actually using: the filter residue on filter screen is brushed up by brush and filter screen in the device, it is convenient for suction head to adsorb filter residue into filter cartridge, since filter screen rotates in filter cartridge, after long time, the friction between brush and filter screen aggravates, the contact surface of brush and filter screen is gradually damaged, and the spacing between brush and filter screen also gradually increases, at this time, the cleaning of filter screen by brush gradually weakens, and the accumulation of residue on filter screen increases, so that the inside of filter cartridge is blocked, resulting in that the effect of sewage treatment is greatly weakened.

[0005] Therefore, we design a kind of suction device for sewage treatment to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of suction device for sewage treatment to solve the problems presented in the above background art.

[0007] To solve the above technical problems, the utility model provides a kind of suction device for sewage treatment, including filter cartridge, the filter cartridge is equipped with filter screen, the filter screen is funnel-shaped, the top surface of filter cartridge is provided with motor, the drive end of motor is connected with rotating shaft, the other end of rotating shaft is rotatably connected in the inner bottom wall of filter cartridge, the filter screen is sleeved on the outer wall of rotating shaft, the filter cartridge is provided with cleaning frame, the cleaning frame is provided with bristle, the bristle is abutted with the surface of filter screen, the inner top wall of cleaning frame is connected with spring, the other end of spring is connected with mounting plate, the bristle is arranged on mounting plate, the outer wall of mounting plate is provided with trigger assembly.

[0008] Further, an outer wall of the mounting plate is connected with a starting rod, one end of the starting rod is arranged outside the cleaning frame, an abutting block is arranged on an outer wall of the cleaning frame, the starting rod is arranged directly above the abutting block, a sliding groove is formed in one end of the cleaning frame, the starting rod slides in the sliding groove, and a waterproof and anticorrosive coating is arranged on the surface of the abutting block.

[0009] Further, an outer wall of the mounting plate is connected with a starting rod, one end of the starting rod is arranged outside the cleaning frame, an abutting block is arranged on an outer wall of the cleaning frame, the starting rod is arranged directly above the abutting block, a sliding groove is formed in one end of the cleaning frame, the starting rod slides in the sliding groove, and a waterproof and anticorrosive coating is arranged on the surface of the abutting block.

[0010] Further, an outer wall of the mounting plate is connected with a starting rod, one end of the starting rod is arranged outside the cleaning frame, an abutting block is arranged on an outer wall of the cleaning frame, the starting rod is arranged directly above the abutting block, a sliding groove is formed in one end of the cleaning frame, the starting rod slides in the sliding groove, and a waterproof and anticorrosive coating is arranged on the surface of the abutting block.

[0011] Further, an outer wall of the mounting plate is connected with a starting rod, one end of the starting rod is arranged outside the cleaning frame, an abutting block is arranged on an outer wall of the cleaning frame, the starting rod is arranged directly above the abutting block, a sliding groove is formed in one end of the cleaning frame, the starting rod slides in the sliding groove, and a waterproof and anticorrosive coating is arranged on the surface of the abutting block.

[0012] Further, an outer wall of the mounting plate is connected with a starting rod, one end of the starting rod is arranged outside the cleaning frame, an abutting block is arranged on an outer wall of the cleaning frame, the starting rod is arranged directly above the abutting block, a sliding groove is formed in one end of the cleaning frame, the starting rod slides in the sliding groove, and a waterproof and anticorrosive coating is arranged on the surface of the abutting block.

[0013] Further, an outer wall of the mounting plate is connected with a starting rod, one end of the starting rod is arranged outside the cleaning frame, an abutting block is arranged on an outer wall of the cleaning frame, the starting rod is arranged directly above the abutting block, a sliding groove is formed in one end of the cleaning frame, the starting rod slides in the sliding groove, and a waterproof and anticorrosive coating is arranged on the surface of the abutting block.

[0014] Further, an outer wall of the mounting plate is connected with a starting rod, one end of the starting rod is arranged outside the cleaning frame, an abutting block is arranged on an outer wall of the cleaning frame, the starting rod is arranged directly above the abutting block, a sliding groove is formed in one end of the cleaning frame, the starting rod slides in the sliding groove, and a waterproof and anticorrosive coating is arranged on the surface of the abutting block.

[0015] The beneficial effects of the present application are as follows: under normal conditions, the bristles abut the surface of the filter screen, and the spring is in a compressed state; when a gap is generated between the bristles and the filter screen, the spring releases elastic force; since the sliding block is slidably connected in the sliding groove, the bristles are pushed towards the filter screen until the bristles abut the surface of the filter screen again; the bristles are prevented from being abraded in a long-term use, the treatment effect of sewage is weakened, and the utilization of resources is improved.

[0016] The beneficial effects of the present application are as follows: when the bristles are abraded to a certain extent, the starting rod is continuously moved downwards until the starting rod abuts the abutting block; at this time, the abutting block sends a signal to the alarm, the alarm is opened, and the staff is reminded to replace the cleaning frame in time. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the filter cartridge in the present application.

[0018] Figure 2 It is the structural schematic view of the filter screen in the utility model;

[0019] Figure 3 It is the structural schematic view of the brush in the utility model;

[0020] Figure 4 It is Figure 3 The enlarged view of A in the utility model.

[0021] In the drawing: 1, filter cartridge; 101, motor; 102, support plate; 2, support; 3, filter residue cartridge; 301, sewage pump; 302, sewage pipe; 303, connecting pipe; 4, suction head; 5, rotating shaft; 6, filter screen; 7, connecting rod; 8, cleaning frame; 801, brush hair; 802, spring; 803, starting rod; 804, mounting plate; 805, abutting block; 806, sliding groove; 807, sliding block; 9, water inlet pipe; 10, water outlet pipe. DETAILED DESCRIPTION

[0022] 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 are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figure 2 And Figure 3 The utility model provides a kind of technical scheme: a suction device for sewage treatment, including filter cartridge 1, filter screen 6 is installed in filter cartridge 1, filter screen 6 is funnel-shaped, the top surface of filter cartridge 1 is provided with motor 101, the driving end of motor 101 is connected with rotating shaft 5, the other end of rotating shaft 5 is rotatably connected in the inner bottom wall of filter cartridge 1, filter screen 6 is fixedly sleeved on the outer wall of rotating shaft 5, cleaning frame 8 is provided in filter cartridge 1, brush hair 801 is provided in cleaning frame 8, brush hair 801 is in abutment with the surface of filter screen 6, the inner top wall of cleaning frame 8 is connected with spring 802, the other end of spring 802 is connected with mounting plate 804, and spring 802 is in compressed state, brush hair 801 is provided on mounting plate 804, the top surface of filter cartridge 1 is connected with support plate 102, the outer wall of support plate 102 is connected with motor 101, trigger assembly includes sliding block 807, sliding groove 806 is formed in the inner wall of cleaning frame 8, one end of sliding block 807 is connected with the outer wall of mounting plate 804, the other end of sliding block 807 is slidably connected in sliding groove 806.

[0024] In actual implementation, when the bristles 801 in the cleaning frame 8 are rubbed against the filter screen 6 for a long time, the bristles 801 will be abraded, and the interval between the bristles 801 and the filter screen 6 will gradually increase. Since the spring 802 is arranged between the mounting plate 804 and the inner top wall of the cleaning frame 8, the bristles 801 normally abut against the surface of the filter screen 6, and the spring 802 is in a compressed state. When a gap is generated between the bristles 801 and the filter screen 6, the spring 802 releases elastic force. Since the sliding block 807 is slidingly connected in the sliding slot 806, the bristles 801 are pushed towards the filter screen 6 until the bristles 801 abut against the surface of the filter screen 6 again.

[0025] As shown in Figure 1 and Figure 4 shown, the outer wall of the mounting plate 804 is provided with a trigger assembly, which comprises an actuating rod 803 mounted on the outer wall of the mounting plate 804. One end of the actuating rod 803 is arranged outside the cleaning frame 8. The outer wall of the cleaning frame 8 is provided with an abutting block 805. The actuating rod 803 is arranged directly above the abutting block 805. One end of the cleaning frame 8 is provided with a sliding slot. The actuating rod 803 slides in the sliding slot. The surface of the abutting block 805 is provided with a waterproof and corrosion-resistant coating, which is an epoxy resin coating.

[0026] In actual implementation, when the bristles 801 are abraded to a certain extent, the actuating rod 803 will continuously move downwards until it abuts against the abutting block 805. The side door and the outer wall of the filter cartridge 1 are transparent, which facilitates observation of the situation of the bristles 801 and the abutting block 805 inside the filter cartridge 1, and replacement can be performed in time.

[0027] As shown in Figure 1 The inner wall of the filter cartridge 1 is connected with a connecting rod 7. The other end of the connecting rod 7 is threadedly connected with the top surface of the cleaning frame 8. The cleaning frame 8 is arranged in an inclined manner in the filter cartridge 1. The top of the bristles 801 is provided with a plastic partition plate. The top end of the bristles 801 is connected with the bottom surface of the partition plate. The mounting plate 804 is threadedly connected with a screw. The mounting plate 804 is connected with the plastic partition plate through the screw.

[0028] In actual implementation, when the bristles 801 are abraded to a certain extent and need to be replaced, the staff member rotates the cleaning frame 8 from the connecting rod 7 to replace the cleaning frame 8. When the motor 101 rotates, the direction is consistent with the direction of the threads on the connecting rod 7, so the cleaning frame 8 will not be rotated out.

[0029] It should be noted that the filter cartridge 1 is provided with a side door to facilitate maintenance and replacement of components in the filter cartridge 1. The side door of the filter cartridge 1 is connected with the filter cartridge 1 through a bolt. A rubber pad is arranged at the connection between the side door and the filter cartridge 1. The outer wall of the filter cartridge 1 is further wrapped with a waterproof layer to improve the sealing performance of the filter cartridge 1. Since it is prior art, no more description will be given in the specification, and it is not shown in the drawings.

[0030] Referring to Figure 1 , the filter cartridge 1 is externally provided with a filter residue cartridge 3, the filter residue cartridge 3 is arranged on the ground, a sewage pump 301 is arranged on the filter residue cartridge 3, a sewage pipe 302 is connected to the water inlet end of the sewage pump 301, the other end of the sewage pipe 302 is connected with a connecting pipe 303, a sewage suction head 4 is arranged in the filter cartridge 1, one end of the connecting pipe 303 is connected with the top surface of the sewage suction head 4, the sewage suction head 4 is arranged above the surface of the filter screen 6, and the inner walls of the sewage pump 301, the sewage pipe 302 and the connecting pipe 303 are all provided with an epoxy resin coating to reduce the corrosion of sewage to the inner walls.

[0031] In specific implementation, the water inlet end of the sewage pump 301 is communicated with the connecting pipe 303 through the sewage pipe 302. The other end of the connecting pipe 303 extends to the inside of the filter cartridge 1 and is tightly connected with the top surface of the sewage suction head 4 arranged above the surface of the filter screen 6. When the sewage pump 301 is started, suction force is generated in the entire pipeline system, so that the filter residue on the surface of the filter screen 6 in the filter cartridge 1 can be sequentially conveyed to the filter residue cartridge 3 through the sewage suction head 4, the connecting pipe 303 and the sewage pipe 302 for centralized collection and subsequent treatment operation. The connecting pipe 303 and the sewage pipe 302 can be deformed, and are metal corrugated pipes. When the filter cartridge 1 needs to be taken off from the support 2, the connecting pipe 303 and the sewage pipe 302 can be deformed to facilitate the operation of the filter cartridge 1.

[0032] Referring to Figure 1 , the top of the outer wall of the filter cartridge 1 is connected with a water inlet pipe 9, the bottom of the outer wall of the filter cartridge 1 is connected with a water outlet pipe 10, one end of the water inlet pipe 9 and the water outlet pipe 10 extends into the filter cartridge 1 through the outer wall of the filter cartridge 1, the filter cartridge 1 is externally provided with a support 2, the support 2 is arranged on the bottom surface, and the filter cartridge 1 is arranged on the support 2 in an inclined manner.

[0033] In specific implementation, the water inlet pipe 9 is connected to the top of the outer wall of the filter cartridge 1 to introduce the sewage to be treated into the inside of the filter cartridge 1, and the water outlet pipe 10 is arranged at the bottom of the outer wall of the filter cartridge 1 to guide the purified water filtered by the filter cartridge 1 to be discharged, so that the liquid in and outside the filter cartridge 1 is circulated. The filter cartridge 1 is arranged on the support 2 in an inclined manner, so that the sewage can be more uniformly distributed on the surface of the filter screen 6 during the filtration process, and the filtration efficiency and quality are improved. The filter cartridge 1 can be taken off from the support 2 at any time, which is convenient for subsequent maintenance.

[0034] Working principle: when the brush 801 in the cleaning frame 8 in long time use and filter screen 6 friction, the brush 801 will be worn, the brush 801 and filter screen 6 the interval will gradually increase, because the installation plate 804 and the inner top wall between the cleaning frame 8 is provided with spring 802, normal state, the brush 801 and filter screen 6 the surface of the resistance, spring 802 present compression state, when the gap between the brush 801 and filter screen 6, spring 802 release elastic force, because the sliding block 807 sliding connection in the chute 806, the brush 801 to filter screen 6 direction advance, until the brush 801 and filter screen 6 the surface of the resistance again;Prevent the brush 801 in the case of long-term use, wear, resulting in sewage treatment effect is weakened, improve the utilization of resources;When the brush 801 wear to a certain extent, the starting rod 803 will continue to move down, until with the resistance block 805, at this time the resistance block 805 to the alarm 11 sends a signal, the alarm 11 open alarm, remind staff in time to replace the cleaning frame 8.

Claims

1. A suction device for sewage treatment, comprising a filter cartridge (1), characterized in that, The filter cartridge (1) is provided with a filter screen (6) in a funnel shape, the top surface of the filter cartridge (1) is provided with a motor (101), the driving end of the motor (101) is connected with a rotating shaft (5), the other end of the rotating shaft (5) is rotatably connected to the inner bottom wall of the filter cartridge (1), the filter screen (6) is sleeved on the outer wall of the rotating shaft (5), the filter cartridge (1) is provided with a cleaning frame (8), the cleaning frame (8) is provided with a brush (801), the brush (801) abuts against the surface of the filter screen (6), the inner top wall of the cleaning frame (8) is connected with a spring (802), the other end of the spring (802) is connected with a mounting plate (804), the brush (801) is arranged on the mounting plate (804), and the outer wall of the mounting plate (804) is provided with a trigger assembly.

2. A suction device for sewage treatment as claimed in claim 1, characterised in that: The outer wall of the mounting plate (804) is connected with a starting rod (803), one end of the starting rod (803) is arranged outside the cleaning frame (8), the outer wall of the cleaning frame (8) is provided with a resisting block (805), the starting rod (803) is arranged directly above the resisting block (805), one end of the cleaning frame (8) is provided with a sliding groove, the starting rod (803) slides in the sliding groove, and the surface of the resisting block (805) is provided with a waterproof and anticorrosive coating.

3. A suction device for sewage treatment as claimed in claim 2, characterised in that: The top surface of the filter cartridge (1) is connected with a supporting plate (102), and the outer wall of the supporting plate (102) is connected with the motor (101).

4. A suction device for sewage treatment as claimed in claim 3, characterised in that: The inner wall of the filter cartridge (1) is connected with a connecting rod (7), the other end of the connecting rod (7) is threadedly connected with the top surface of the cleaning frame (8), and the cleaning frame (8) is arranged in the filter cartridge (1) in an inclined manner.

5. A suction device for sewage treatment as claimed in claim 4, characterised in that: The trigger assembly comprises a sliding block (807), the inner wall of the cleaning frame (8) is provided with a sliding groove (806), one end of the sliding block (807) is connected with the outer wall of the mounting plate (804), and the other end of the sliding block (807) is slidably connected in the sliding groove (806).

6. A suction device for sewage treatment as claimed in claim 5, characterised in that: The filter cartridge (1) is provided with a filter residue cylinder (3), the filter residue cylinder (3) is arranged on the ground, the filter residue cylinder (3) is provided with a sewage pump (301), the water inlet end of the sewage pump (301) is connected with a sewage pipe (302), the other end of the sewage pipe (302) is connected with a connecting pipe (303), the filter cartridge (1) is provided with a sewage suction head (4), one end of the connecting pipe (303) is connected with the top surface of the sewage suction head (4), and the sewage suction head (4) is arranged above the surface of the filter screen (6).

7. A suction device for sewage treatment as claimed in claim 6, characterised in that: The top of the outer wall of the filter cartridge (1) is connected with a water inlet pipe (9), the bottom of the outer wall of the filter cartridge (1) is connected with a water outlet pipe (10), and one end of each of the water inlet pipe (9) and the water outlet pipe (10) extends into the filter cartridge (1) through the outer wall of the filter cartridge (1).

8. A suction device for sewage treatment as claimed in claim 5, characterised in that: The filter cartridge (1) is provided with a support (2), the support (2) is arranged on the bottom surface, and the filter cartridge (1) is arranged on the support (2) in an inclined manner.

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