CN115920518B

CN115920518B - Sewage treatment equipment

Info

Publication number: CN115920518B
Application number: CN202211703243.2A
Authority: CN
Inventors: 周代超; 刘成威; 李奋; 李学燕
Original assignee: Suzhou Weidun Environmental Protection Technology Co ltd
Current assignee: Suzhou Weidun Environmental Protection Technology Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-09-12
Anticipated expiration: 2042-12-28
Also published as: CN115920518A

Abstract

The invention discloses sewage treatment equipment, which relates to the technical field of sewage treatment and solves the problem of low sewage treatment efficiency caused by the blockage of a filtering component in the conventional sewage treatment.

Description

Sewage treatment equipment

Technical Field

The invention relates to the technical field of sewage treatment, in particular to sewage treatment equipment.

Background

Sewage refers to effluent from life and production that is contaminated to some extent. The water which loses the original use function is simply called sewage, and sewage treatment is the process of purifying the sewage by discharging the sewage into a certain water body or reusing the water.

When sewage is treated, filtering and screening impurities is an indispensable step, waste particles and impurities in the sewage are removed from a water body, the subsequent sewage treatment is facilitated, the traditional Chinese patent document CN109019922B discloses sewage treatment equipment, in the scheme, the impurities in the sewage are filtered through a designed sludge filtering material, the residual sludge on the filtering material is scraped through a spiral conical scraper, the blockage is avoided, but the spiral conical scraper is stuck to the outer side of a conical jacket cylinder body, only the sludge on the outer side is scraped, the residual sludge on the filtering material cannot be cleaned, the impurities remain in the filtering material after the sewage is filtered for a long time, the subsequent sewage filtering effect is affected, and the sewage treatment equipment is required to be replaced regularly, and is time-consuming and labor-consuming.

Disclosure of Invention

The invention aims to provide sewage treatment equipment capable of avoiding the influence on sewage treatment efficiency caused by the blockage of a filtering component so as to solve the problems in the prior art.

In order to achieve the above purpose, the invention provides a sewage treatment device, which comprises a treatment tank, wherein the top of the treatment tank is fixedly provided with a plurality of water inlet pipes, the bottom of the treatment tank is fixedly provided with supporting legs, the bottom of the treatment tank is provided with a water outlet, the sewage treatment device further comprises a rotating disc and a conical screen mesh fixed inside the treatment tank through a bracket, a butt joint concave ring is fixedly arranged inside the treatment tank, the outer side of the rotating disc is rotationally abutted with the butt joint concave ring, a plurality of openings are formed in the rotating disc, a prefilter assembly is arranged in the openings, the bottom of the water inlet pipe is aligned with the top of the prefilter assembly, the top of the rotating disc is provided with a driving piece for rotating the rotating disc, the treatment tank is internally provided with a drainage assembly which is in butt joint with the bottoms of the prefilter assemblies, the bottom of the conical screen mesh is rotationally abutted with a collecting ring, an adjusting rod is rotationally inserted in the conical screen mesh, a impurity removing assembly for removing impurities on the conical screen mesh is arranged on the outer side of the adjusting rod, the outer side of the treatment tank is provided with a sludge outlet, and the sludge outlet is fixedly abutted with the sludge outlet and is fixedly arranged on the outer wall of the sludge outlet.

Preferably, the edulcoration subassembly is including fixing the mounting bracket in the regulation pole outside and rotating the motor, it is fixed with the processing box is inside through the support to rotate the motor, just it is fixed with regulation pole bottom that the motor output passes through the shaft coupling, the lead screw is installed in the mounting bracket internal rotation, and the outside screw thread of lead screw has cup jointed the movable plate that laminates mutually with the mounting bracket inner wall, the outside of mounting bracket is fixed with the propelling movement motor, just the propelling movement motor output passes through the shaft coupling and is fixed with lead screw one end, the outside cover of lead screw have with the clean board that the toper screen cloth outer wall laminates mutually, and the both ends of clean board are fixed mutually with the outer wall of mounting bracket inner wall and movable plate respectively, the outside of adjusting the pole be fixed with a plurality of with the fixed ganging plate of collecting ring, and one of them the ganging plate outside is installed and is prevented blockking up the subassembly, satisfies the removal to toper screen cloth outer wall residue debris through the edulcoration subassembly.

Preferably, the anti-blocking assembly comprises an anti-blocking plate, one end of the anti-blocking plate is rotationally provided with a supporting seat fixed with the linkage plate, an inserting column inserted with a sieve mesh in a conical screen mesh is fixed on the outer side of the anti-blocking plate, two side plates are fixed on the outer side of the linkage plate, the two side plates are located on two sides of the anti-blocking plate, an eccentric wheel propped against the bottom of the anti-blocking plate is rotationally arranged between the two side plates, one side plate is fixedly provided with an anti-blocking motor, the output end of the anti-blocking motor is rotationally fixed with the eccentric wheel through a coupler, and the designed anti-blocking assembly can prevent impurities from being blocked in the sieve mesh and influencing filtration.

Preferably, a metal layer is stuck on the outer side of the eccentric wheel, and a magnetic attraction block attracted with the metal layer is fixed at the bottom of the anti-blocking plate, so that the anti-blocking plate can be driven to move correspondingly when the deflection wheel rotates.

Preferably, the prefilter assembly comprises a filter disc, the filter disc is put in the opening, just the outside of filter disc is fixed with the pivot, and the bearing frame fixed with the rotor disc outer wall is installed to the pivot outer end, and one of them pivot outer end is fixed with adjusts the tooth post, the bottom of rotor disc is fixed with the butt plate that offsets with the filter disc bottom, install a plurality of regulating parts in the processing box, and a plurality of regulating parts are used for adjusting not rotating with the filter disc of inlet tube butt joint respectively, and the prefilter assembly of design filters sewage in advance for follow-up filtration is more convenient quick.

Preferably, the regulating part comprises an electric push rod fixed inside the treatment box through a support, a toothed plate matched with the adjusting toothed column is fixed at the output end of the electric push rod, a through hole for the toothed plate to penetrate is formed in the rotating disc, and the design of the regulating part meets the dumping of impurity in the filter disc.

Preferably, the driving member comprises a driving motor, the driving motor is fixed inside the treatment box through a bracket, the output end of the driving motor is fixed at the center of the rotating disc through a coupler, and the driving member is designed to provide power so that the rotating disc rotates.

Preferably, the drainage assembly comprises a plurality of water diversion plates and a plurality of dirt diversion plates, the water diversion plates and the dirt diversion plates are fixed through connecting rings and are fixed with the inner wall of the treatment tank, the water diversion plates correspond to the opening at the bottom of the water inlet pipe and drain water to the conical screen, the dirt diversion plates are respectively attached to other openings and drain impurities to the collecting rings, and the designed drainage assembly can separate drainage of sewage passing through the filter disc and filtered impurities.

Preferably, the bottom of the water inlet pipe is fixed with a soft rubber pipe which is spliced with the filter disc, and the design of the soft rubber pipe ensures that the rotation of the filter disc is not influenced besides the butt joint of the soft rubber pipe and the filter disc.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the designed pre-filtering component can be used for carrying out first-round filtering on sewage, the secondary filtering is carried out by matching with the conical screen, the impurity particles remained in the water can be efficiently removed by two times of screening, meanwhile, the impurity remained on the outer wall of the conical screen can be scraped by the impurity removing component, and the designed anti-blocking component can be used for discharging the blocking matters in the conical screen outwards, so that the blocking of the screen is avoided, the filtering efficiency is improved, and the long-term treatment of the sewage is satisfied;

the prefilter assemblies rotate continuously through the rotation of the rotating disc, so that the prefilter assemblies butted at the bottoms of the water inlet pipes can efficiently filter and drain water, and the phenomenon that sundries are blocked to influence the drainage of water flow is avoided.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the treatment tank of the present invention, partially in section;

FIG. 3 is a schematic view of the internal structure of the invention after the treatment tank is removed;

FIG. 4 is a schematic view of a rotor and a plurality of prefilter modules according to the present invention;

FIG. 5 is a schematic view of a drainage assembly according to the present invention;

FIG. 6 is a schematic view of the relationship between the conical screen and the impurity removal assembly according to the present invention;

FIG. 7 is a schematic view of the anti-clogging assembly of the present invention;

FIG. 8 is a schematic view of the pouring of a filter tray according to the present invention.

In the figure: 1-a treatment box; 2-a water inlet pipe; 3-rotating a disc; 4-butting a concave ring; 5-a prefilter assembly; 6-a driving member; 7-a drainage assembly; 8-a conical screen; 9-a collection ring; 10-abutting rings; 11-adjusting the rod; 12-an impurity removal component; 13-a mud discharging port; 14-sloping plates; 15-mounting rack; 16-a rotary motor; 17-screw rod; 18-moving the plate; 19-pushing a motor; 20-cleaning the plate; 21-linkage plate; 22-anti-clogging assembly; 23-anti-blocking plate; 24-supporting seats; 25-inserting a column; 26-side plates; 27-eccentric wheel; 28-anti-blocking motor; 29-a metal layer; 30-magnetic attraction blocks; 31-a filter tray; 32-adjusting the tooth column; 33-a retaining plate; 34-an adjusting member; 35-an electric push rod; 36-tooth plate; 37-driving a motor; 38-a water diversion plate; 39-dirt guiding plate.

Detailed Description

The invention will be further described with reference to specific examples, illustrative examples and illustrations of which are provided herein to illustrate the invention, but are not to be construed as limiting the invention.

Example 1

Referring to fig. 1-3, a sewage treatment device in the drawings comprises a treatment tank 1, wherein a plurality of water inlet pipes 2, preferably three, are fixed at the top of the treatment tank 1, support legs are fixed at the bottom of the treatment tank 1, a water outlet is arranged at the bottom of the treatment tank 1, a rotary disc 3 and a conical screen 8 fixed inside the treatment tank 1 through a bracket are further included, a butting concave ring 4 is fixed inside the treatment tank 1, the outer side of the rotary disc 3 is rotationally butted with the butting concave ring 4, a plurality of openings, preferably six openings, are formed in the rotary disc 3, a prefilter assembly 5 is arranged in the openings, the bottom of the water inlet pipe 2 is aligned with the top of the prefilter assembly 5, a driving member 6 for rotating the rotary disc 3 is arranged at the top of the rotary disc 3, a collecting ring 9 is arranged in the treatment tank 1, a butting ring 10 butted with the bottom of the conical screen 8 is rotationally butted with the bottom of the conical screen 1, an adjusting rod 11 is rotationally spliced with the conical screen 8, a sludge removing opening 13 is arranged at the outer side of the adjusting rod 11, and a sludge removing opening 13 is formed in the outer side of the treatment tank 1, and a sludge removing opening 13 is fixedly arranged at the outer side of the sludge removing assembly 13;

it should be noted that: can once only introduce more sewage through a plurality of inlet tubes 2, satisfy the introduction of different pipelines moreover, the prefilter subassembly 5 on the cooperation rolling disc 3 again is docked with inlet tube 2 bottom for sewage can obtain first filtration, and the impurity in the water can be sieved out, later rethread drainage subassembly 7 with impurity and the drainage that sewage corresponds to conical screen cloth 8 and collecting ring 9, realize the secondary filtration to sewage, and cooperation edulcoration subassembly 12 strike off the impurity on the conical screen cloth 8 to collecting ring 9, concentrate to the 13 discharge of mud mouth.

Notably, are: the twice in this scheme filters, can obtain fine filtration screening with the particulate matter impurity in the sewage, and the impurity such as mud that again cooperates edulcoration subassembly 12 and collecting ring 9 can concentrate the discharge of screening out, satisfies the long-term automatic processing to sewage.

Referring to fig. 6 and 7, the impurity removing assembly 12 in the drawings includes a mounting frame 15 and a rotating motor 16 fixed on the outer side of an adjusting rod 11, the rotating motor 16 is fixed inside the processing box 1 through a bracket, the output end of the rotating motor 16 is fixed on the bottom of the adjusting rod 11 through a coupler, a screw rod 17 is rotatably mounted on the mounting frame 15, a moving plate 18 attached to the inner wall of the mounting frame 15 is screwed on the outer side of the screw rod 17, a pushing motor 19 is fixed on the outer side of the mounting frame 15, the output end of the pushing motor 19 is fixed on one end of the screw rod 17 through a coupler, a cleaning plate 20 attached to the outer wall of a conical screen 8 is sleeved on the outer side of the screw rod 17, two ends of the cleaning plate 20 are respectively fixed on the inner wall of the mounting frame 15 and the outer wall of the moving plate 18, a plurality of linkage plates 21 fixed on the collecting ring 9 are fixed on the outer side of the adjusting rod 11, and an anti-blocking assembly 22 is mounted on the outer side of one linkage plate 21;

it should be noted that: the rotating motor 16 drives the adjusting rod 11 to rotate, so that the mounting frame 15 rotates along with the rotation, the collecting ring 9 rotates along with the rotation under the action of the linkage plate 21, and in the rotating process, the rotating motor 16 rotates to drive the screw rod 17 to rotate, so that the moving plate 18 moves, the cleaning plate 20 is extruded to discharge impurities remained on the outer side of the cleaning plate, and the outer side of the conical screen 8 is convenient to clean continuously;

notably, are: the cleaning plate 20 in this embodiment is made of a soft material, and the cleaning plate 20 may be, for example, a wire-drawing cloth material while scraping the residue on the outer wall of the conical screen 8.

Referring to fig. 7, the anti-blocking assembly 22 in the drawing includes an anti-blocking plate 23, one end of the anti-blocking plate 23 is rotatably provided with a supporting seat 24 fixed with a linkage plate 21, an inserting column 25 inserted with a sieve opening in a conical screen 8 is fixed at the outer side of the anti-blocking plate 23, two side plates 26 are fixed at the outer side of the linkage plate 21, the two side plates 26 are positioned at two sides of the anti-blocking plate 23, an eccentric wheel 27 propped against the bottom of the anti-blocking plate 23 is rotatably provided between the two side plates 26, an anti-blocking motor 28 is fixed at the outer wall of one side plate 26, and the output end of the anti-blocking motor 28 is rotationally fixed with the eccentric wheel 27 through a coupling;

it should be noted that: through the design of anti-blocking motor 28, realize driving the rotation of eccentric wheel 27, under the gravity effect of the rotation of eccentric wheel 27 and anti-blocking plate 23 itself again for anti-blocking plate 23 can follow supporting seat 24 one end luffing motion, thereby can utilize inserting post 25 to peg graft the sieve mesh in the toper screen cloth 8 in proper order, extrude the discharge with the plug such as inside impurity, influence the filtration of rivers and debris after avoiding blocking.

In addition, referring to fig. 4, the pre-filtering assembly 5 in the drawing includes a filtering disc 31, the filtering disc 31 is placed in the opening, a rotating shaft is fixed at the outer side of the filtering disc 31, a bearing seat fixed with the outer wall of the rotating disc 3 is installed at the outer end of the rotating shaft, an adjusting tooth post 32 is fixed at the outer end of one rotating shaft, a retaining plate 33 propped against the bottom of the filtering disc 31 is fixed at the bottom of the rotating disc 3, a plurality of adjusting pieces 34 are installed in the processing box 1, and the plurality of adjusting pieces 34 are respectively used for adjusting the rotation of the filtering disc 31 which is not butted with the water inlet pipe 2;

the driving piece 6 comprises a driving motor 37, the driving motor 37 is fixed inside the treatment box 1 through a bracket, and the output end of the driving motor 37 is fixed at the center of the rotating disc 3 through a coupler.

It should be noted that: through filter disc 31 and the butt joint of inlet tube 2 bottom, satisfy the first filtration of sewage in the inlet tube 2, after filtering one end time, avoid remaining too much impurity in the filter disc 31, drive the rolling disc 3 through driving motor 37 and rotate this moment for the filter disc 31 of preceding and inlet tube 2 bottom butt joint is removed, and the filtration is continued to the filter disc 31 that shifts one batch of no impurity to the realization is to the continuous filtration of inlet tube 2, does not need to intercept water and stops flowing.

Referring to fig. 4, the adjusting member 34 in the drawing includes an electric push rod 35 fixed inside the processing box 1 by a bracket, a toothed plate 36 adapted to the adjusting toothed column 32 is fixed at an output end of the electric push rod 35, and a through hole for the toothed plate 36 to penetrate is formed in the rotating disc 3.

It should be noted that: after the filter disc 31 with the impurities filtered is transferred to be separated from the water inlet pipe 2 by the rotating disc 3, at the moment, the toothed plate 36 is driven to move downwards by the electric push rod 35, so that the adjusting toothed column 32 correspondingly rotates, the filter disc 31 is driven to overturn and rotate to be propped against the resisting plate 33, the filter disc 31 repeatedly overturns to be propped against the resisting plate 33 by the toothed plate 36, the impurities in the filter disc 31 can be effectively poured out, and the filter disc 3 can be conveniently butted with the bottom of the water inlet pipe 2 for filtration after rotating again.

Meanwhile, referring to fig. 4 and 5, the drainage assembly 7 in the drawings includes a plurality of diversion plates 38 and a plurality of dirt guiding plates 39, wherein the diversion plates 38 and the dirt guiding plates 39 are preferably three, respectively butt-jointed with the bottoms of six openings, the plurality of diversion plates 38 and the plurality of dirt guiding plates 39 are fixed through connecting rings and are fixed with the inner wall of the treatment tank 1, the plurality of diversion plates 38 correspond to the openings of the bottom of the water inlet pipe 2 and guide water onto the conical screen 8, and the plurality of dirt guiding plates 39 are respectively jointed with other openings and guide impurities to the collecting ring 9;

it should be noted that: after the water of the water inlet pipe 2 passes through the filter disc 31, the water flows out through the water diversion plate 38 and flows out of the center of the conical screen 8, so that the water can be well discharged into the water outlet through the conical screen 8, and impurity particles poured out through the filter disc 31 in a turnover way are discharged through the dirt diversion plate 39, flow into the collecting ring 9 and are discharged to the sludge discharge port 13 through the inclined plate 14.

The method for efficiently treating sewage comprises the following steps: firstly, a person butts a sewage pipe against a plurality of water inlet pipes 2, then sewage is directly impacted by the water inlet pipes 2 and a filter disc 31 at the bottom, the filter disc 31 can carry out first filtering and screening on the sewage, particles and impurities in the sewage are removed, the sewage after the first filtering flows into a conical screen 8 through a drainage component 7, second filtering is carried out, and finally the sewage is discharged through a water outlet, in the sewage treatment process, an adjusting rod 11 is driven to rotate by a rotating motor 16, a mounting frame 15 is driven to rotate along the conical screen 8, a cleaning plate 20 can scrape the impurities on the conical screen 8, the impurities flow into a collecting ring 9 through a conical structure of the conical screen 8, an anti-blocking motor 28 is matched to drive an eccentric wheel 27 to rotate, an anti-blocking plate 23 can drive a plug column 25 to plug in a sieve hole in the conical screen 8, blocking is avoided, and the sewage circulation is smooth and the treatment is efficient;

meanwhile, the rotating disc 3 can be driven to rotate through the driving motor 37, the filter disc 31 at the bottom of the water inlet pipe 2 is replaced, the filter disc 31 full of impurities is removed by rotating, one filter disc 31 without impurities is transferred, then the electric push rod 35 drives the toothed plate 36 to move downwards, the adjusting toothed column 32 drives the filter disc 31 to rotate and topple over and abut against the abutting plate 33, as shown in fig. 8, impurities in the filter disc 31 are poured out, the impurities are directly introduced into the collecting ring 9 through the dirt guiding plate 39, the linkage plate 21 is driven to rotate through the rotating motor 16, the collecting ring 9 can rotate, the sludge impurities on the collecting ring 9 are operated, the inclined plate 14 is utilized for scraping, the sludge impurities and the sewage are discharged through the sludge discharging port 13, the self-dredging cleaning of the screen is also met, and the long-term efficient treatment of the sewage is realized.

In this scheme, consider inlet tube 2 can not direct with filter disc 31 contact, influence the conversion of filter disc 31, be fixed with the soft rubber tube of pegging graft mutually with filter disc 31 in the bottom of inlet tube 2, can direct with filter disc 31 contact through the soft rubber tube for sewage discharge is accurate, does not also influence the rotation of rolling disc 3.

Example 2

Referring to fig. 7, in this embodiment, for further explanation of example 1, a metal layer 29 is attached to the outer side of the eccentric wheel 27 in the drawing, and a magnetic block 30 that attracts the metal layer 29 is fixed to the bottom of the anti-blocking plate 23;

it should be noted that: the metal layer 29 of design cooperates the magnetism to inhale piece 30 and makes eccentric wheel 27 when rotating, prevents stifled board 23 laminating eccentric wheel 27 outside all the time, makes things convenient for a swing of preventing the board 23, also makes the spliced pole 25 more smooth and easy through the sieve mesh in the screen cloth.

The rest of the structure is the same as in embodiment 1.

The present invention is not limited to the above-described embodiments, and various modifications are possible within the scope of the present invention without inventive labor, as those skilled in the art will recognize from the above-described concepts.

Claims

1. A sewage treatment apparatus comprising:

the treatment device comprises a treatment box (1), wherein a plurality of water inlet pipes (2) are fixed at the top of the treatment box (1), supporting legs are fixed at the bottom of the treatment box, and a water outlet is arranged at the bottom of the treatment box (1);

characterized by further comprising:

the device comprises a rotating disc (3), wherein a butt joint concave ring (4) is fixed in the treatment box (1), the outer side of the rotating disc (3) is in rotary butt joint with the butt joint concave ring (4), a plurality of openings are formed in the rotating disc (3), a prefilter assembly (5) is arranged in each opening, the bottom of a water inlet pipe (2) is aligned with the top of the prefilter assembly (5), a driving piece (6) for rotating the rotating disc (3) is arranged at the top of the rotating disc (3), and a drainage assembly (7) in butt joint with the bottoms of the prefilter assemblies (5) is arranged in the treatment box (1);

the device is characterized in that the device is fixed to a conical screen (8) inside the treatment box (1) through a support, a collecting ring (9) is rotatably abutted to the bottom of the conical screen (8), a supporting ring (10) which is abutted to the bottom of the collecting ring (9) is fixed inside the treatment box (1), an adjusting rod (11) is rotationally inserted in the conical screen (8), a impurity removing component (12) for removing impurities on the conical screen (8) is arranged outside the adjusting rod (11), a sludge discharge opening (13) is formed in the outer side of the treatment box (1), and an inclined plate (14) which is attached to the outer wall of the collecting ring (9) is fixedly arranged inside the sludge discharge opening (13);

the impurity removal assembly (12) comprises a mounting frame (15) and a rotating motor (16) which are fixed on the outer side of an adjusting rod (11), the rotating motor (16) is fixed inside a treatment box (1) through a support, the output end of the rotating motor (16) is fixed on the bottom of the adjusting rod (11) through a coupler, a screw rod (17) is installed in the mounting frame (15), a moving plate (18) attached to the inner wall of the mounting frame (15) is sleeved on the outer side of the screw rod (17) through threads, a pushing motor (19) is fixed on the outer side of the mounting frame (15), the output end of the pushing motor (19) is fixed with one end of the screw rod (17) through the coupler, a cleaning plate (20) attached to the outer wall of a conical screen (8) is sleeved on the outer side of the screw rod (17), two ends of the cleaning plate (20) are respectively fixed on the inner wall of the mounting frame (15) and the outer wall of the moving plate (18), a plurality of plates (21) fixed on the outer side of the adjusting rod (11) and one of the collecting ring (9) are installed on the outer side of the linkage plate (21);

anti-clogging component (22) are including anti-clogging board (23), prevent that the one end of anti-clogging board (23) rotate through the pivot install with supporting seat (24) that linkage board (21) is fixed mutually, and prevent that the outside of anti-clogging board (23) is fixed with and the spliced pole (25) of sieve mesh looks grafting in conical screen net (8), the outside of linkage board (21) is fixed with two curb plates (26), and two curb plates (26) are located the both sides of anti-clogging board (23), and rotate between two curb plates (26) and install eccentric wheel (27) that offsets with anti-clogging board (23) bottom, and one of them curb plate (26) outer wall is fixed with anti-clogging motor (28), and prevent that anti-clogging motor (28) output is fixed through shaft coupling and eccentric wheel (27) internal rotation.

2. A sewage treatment apparatus according to claim 1, wherein: the outer side of the eccentric wheel (27) is stuck with a metal layer (29), and the bottom of the anti-blocking plate (23) is fixed with a magnetic block (30) attracted with the metal layer (29).

3. A sewage treatment apparatus according to claim 1, wherein: the prefilter assembly (5) comprises a filter disc (31), the filter disc (31) is placed in the opening, a rotating shaft is fixed on the outer side of the filter disc (31), a bearing seat fixed on the outer wall of the rotating disc (3) is installed at the outer end of the rotating shaft, an adjusting tooth column (32) is fixed at the outer end of one rotating shaft, a resisting plate (33) propped against the bottom of the filter disc (31) is fixed at the bottom of the rotating disc (3), a plurality of adjusting pieces (34) are installed in the processing box (1), and the plurality of adjusting pieces (34) are respectively used for adjusting the filter disc (31) which is not butted with the water inlet pipe (2) to rotate.

4. A sewage treatment apparatus according to claim 3, wherein: the adjusting piece (34) comprises an electric push rod (35) fixed inside the treatment box (1) through a support, a toothed plate (36) matched with the adjusting toothed column (32) is fixed at the output end of the electric push rod (35), and a through hole for the toothed plate (36) to penetrate is formed in the rotating disc (3).

5. A sewage treatment apparatus according to claim 1, wherein: the driving piece (6) comprises a driving motor (37), the driving motor (37) is fixed inside the treatment box (1) through a bracket, and the output end of the driving motor (37) is fixed at the center of the rotating disc (3) through a coupler.

6. A sewage treatment apparatus according to claim 1, wherein: the drainage assembly (7) comprises a plurality of water diversion plates (38) and a plurality of dirt diversion plates (39), the water diversion plates (38) and the dirt diversion plates (39) are fixed through connecting rings and are fixed with the inner wall of the treatment box (1), the water diversion plates (38) correspond to openings at the bottom of the water inlet pipe (2) and drain water onto the conical screen (8), and the dirt diversion plates (39) are respectively attached to other openings and drain impurities to the collecting ring (9).

7. A sewage treatment apparatus according to claim 1, wherein: the bottom of the water inlet pipe (2) is fixed with a soft rubber pipe which is spliced with the filter disc (31).