CN111943331A

CN111943331A - Sewage treatment device capable of automatically recycling magnetic materials

Info

Publication number: CN111943331A
Application number: CN202010867495.3A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2020-11-17

Abstract

The invention relates to the field of sewage treatment, and discloses a sewage treatment device capable of automatically recovering magnetic materials, which comprises a box body, a power generation component, a driving component and a magnetic absorption component, wherein the box body is used for storing sewage and providing working space for other components of the device, the power generation component converts the kinetic energy of water into electric energy and is arranged on the left half part of the box body, the driving component converts the potential energy of the water into the kinetic energy and is arranged on the right half part of the box body, the magnetic absorption component generates magnetism by using the electric energy generated by the power generation component and adsorbs the magnetic materials in the sewage and is arranged on the driving component, the device converts the kinetic energy of the water into the electric energy and adsorbs the magnetic materials in the sewage by using the electromagnetic generation principle, the whole process does not need to consume electric power, the economic cost is low, the recovery rate is higher, and the sewage treatment device has novelty and creat.

Description

Sewage treatment device capable of automatically recycling magnetic materials

Technical Field

The invention relates to the field of sewage treatment, in particular to a sewage treatment device capable of automatically recovering magnetic materials.

Background

In the sewage treatment field, the magnetic material in the sewage can be recycled and reused, especially, the waste water produced by some steel-making and iron-making plants has a lot of metal impurities inside, the particles are different in size, and the collection effect can be achieved only by finely collecting the waste water after the waste water is collected in advance.

Most of the prior metal materials generally utilize a stirring rod in the recovery, and install magnet on the stirring rod and collect the metal materials in the sewage, the recovery rate is lower, the sewage treatment device (publication No. 206384905U) for automatically recovering magnetic materials provided by the prior art comprises a slide rail, a cross bar, a base, a support, a sliding roller, a coil net, a chute, a coil and a sewage treatment tank, the device provides a series of solutions to the prior problems, the recovery rate is improved, but on the one hand, a large amount of electric power needs to be consumed, the economic benefit is lower, on the other hand, a large-particle metal pre-collection scheme is not provided, the collection effect is influenced, and therefore, the sewage treatment device which has low energy consumption and good collection effect needs to be provided.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the sewage treatment device capable of automatically recovering the magnetic material, which improves the efficiency, saves the energy, repeatedly magnetizes the magnetization layer by utilizing the electromagnetic generation principle and prevents the magnetization layer from being demagnetized.

(II) technical scheme

In order to realize the problems of automatic brick laying and automatic gap filling, the invention provides the following technical scheme: the sewage treatment device comprises a box body, a power generation component, a driving component and a magnetic absorption component, wherein the box body is used for storing sewage and providing a working space for other components of the device; a power generation part provided at a left half portion of the case; a driving member provided in a right half of the case; and the magnetic attraction part is connected with the driving part.

The box includes leading flank, trailing flank, left surface one, left surface two, right flank, bottom surface one and bottom surface two, and left surface one is the type setting of falling S, is equipped with on the left surface two and leads to the line hole one, leads to line hole a quantity and be two, and the one end distance in upper end that exceeds left surface two is surpassed to the rightmost end of bottom surface one, and bottom surface two is equipped with the discharge port, is equipped with the round hole on the leading flank, is airtight welding between each looks proximal surface.

The power generation part comprises a first rotating shaft, a first impeller, a transmission belt and a direct current generator, one end of the first rotating shaft is arranged on the rear side face, the other end of the first rotating shaft penetrates through the front side face through a round hole, the impeller is sleeved on the first rotating shaft, the direct current generator is fixedly arranged at the lower end of the first bottom face, and the first rotating shaft penetrating through the front side face and the rotating shaft of the direct current generator are connected through the transmission belt.

The driving part comprises a second impeller, a second rotating shaft, a first guide rail, a second guide rail, a third guide rail, a first connecting rod, an arc block, a second connecting rod, a third connecting rod and a fixed block, the second rotating shaft is arranged on the front side face and the rear side face, the second rotating shaft is arranged right below the rightmost end of the first bottom face, the second impeller is sleeved on the second rotating shaft, the first guide rail, the second guide rail and the three guide rail symmetries are arranged on the front side face and the rear side face, the one end of the first connecting rod and the one end of the second connecting rod are fixedly connected through the arc block, the other end of the second connecting rod and the three connecting rod are fixedly connected.

Preferably, the first guide rail, the second guide rail and the third guide rail are all arranged in an arc shape.

Preferably, the second impeller comprises a first baffle and a second baffle, the second baffle is arranged at the outer end of the first baffle and forms an included angle of 60-80 degrees with the first baffle, and the first baffle is provided with dense micro through holes.

Preferably, the fixed block is the semicircle column, and is equipped with draw-in groove and lead to line hole two, is cut an arc piece in the middle of the arc surface of fixed block, and two arc strips are cut off again to the surplus, form the draw-in groove, lead to line hole two and run through the fixed block.

Preferably, the inner side of the arc block is concave, one end of the arc block is provided with a third through hole, the third through hole penetrates through the arc block, and the arc block can be clamped into the clamping groove and forms sealed rotation with the fixing block.

Preferably, the other end of the connecting rod is fixedly provided with a first sliding block, the first sliding block is in sliding connection with the first guide rail, the other end of the second connecting rod is fixedly connected with one end of the third connecting rod, the second sliding block is fixedly arranged at the joint and is in sliding connection with the second guide rail, the third sliding block is fixedly arranged at the other end of the third connecting rod and is in sliding connection with the third guide rail, the two connecting rods and the three connecting rods are both hollow, and a plurality of small holes are distributed in the three connecting rods.

Preferably, the driving part further comprises a mesh bag, an opening of the mesh bag is arranged upwards, one side of the mesh bag is arranged at the upper end of the first connecting rod, and the other side of the mesh bag is arranged at the rightmost end of the first guide rail.

Preferably, the magnetism-absorbing component comprises a power-on rod, a coil layer, an insulating layer and a magnetization layer, the power-on rod is fixed on the connecting rod III and extends into the small hole, the coil layer is wrapped on the power-on rod, the insulating layer is wrapped on the periphery of the coil layer, and the magnetization layer is wrapped on the periphery of the insulating layer.

Preferably, the magnetization layer comprises a first magnetization block, a second magnetization block, a connecting shaft and a bolt, the first magnetization block is rotatably connected through the connecting shaft, the second magnetization block is two in number, one end of the second magnetization block is rotatably connected with the first magnetization block through the connecting shaft, and the other end of the second magnetization block is provided with a bolt hole and is connected with the first magnetization block through the bolt.

Preferably, the direct current generator is electrically connected with the electrifying rod through the through hole I, the through hole II, the through hole III, the connecting rod II, the connecting rod III and the electrifying rod.

Preferably, the inner side and the outer side of the right side surface are both provided with climbing handrails.

(III) advantageous effects

Compared with the prior art, the invention provides a sewage treatment device capable of automatically recovering magnetic materials, which has the following beneficial effects:

1. this automatic retrieve sewage treatment plant of magnetic material, through setting up power generation part, utilize the kinetic energy of water to turn into the electric energy, saved a large amount of electric power.

2. According to the sewage treatment device capable of automatically recovering the magnetic materials, the driving component is arranged, the potential energy of water is converted into kinetic energy, the magnetic absorption component is driven to move, and the water in the box body is ensured to be in a circulating flow state, so that the magnetic materials in the water can be better adsorbed.

3. This automatic retrieve magnetic material's sewage treatment plant through setting up the pocket, can tentatively collect the great debris of granule in the sewage, avoids debris to fall into the device in, influences the normal operating of device.

4. According to the sewage treatment device capable of automatically recovering the magnetic material, the magnetism can be generated by utilizing the electric energy generated by the power generation component through arranging the magnetism absorption component, the magnetic material in water is absorbed, the magnetization layer is repeatedly magnetized, and the demagnetization is prevented.

5. According to the sewage treatment device capable of automatically recycling the magnetic materials, the magnetized layer is convenient to detach and clean by arranging the connecting shaft and the bolt on the magnetized layer.

6. This automatic retrieve magnetic material's sewage treatment plant through setting up the climbing handrail, makes things convenient for the workman to get into and maintains the machine internals in the box and clear up the magnetic material of collection.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a front view of the case 1 of FIG. 1;

FIG. 3 is an enlarged schematic view of the power generation component 2 of FIG. 1;

FIG. 4 is an enlarged schematic view of the drive member 3 of FIG. 1;

FIG. 5 is an enlarged view of the second impeller 31 of FIG. 4;

fig. 6 is an enlarged schematic view of the fixing block 39 in fig. 4;

fig. 7 is an enlarged partial schematic view of the drive member 3 of fig. 1;

FIG. 8 is a top view and a cross-sectional view of the arc 361 of FIG. 7;

FIG. 9 is an enlarged schematic view of connecting rod one 36, connecting rod two 37 and connecting rod three 38 of FIG. 4;

FIG. 10 is an enlarged schematic view of connecting rod three 38 of FIG. 9;

FIG. 11 is an enlarged schematic view of the magnetic attraction member 4 of FIG. 1;

FIG. 12 is an enlarged schematic view of the magnetization layer 44 of FIG. 11;

in the figure: 1 box body, 11 front side, 12 rear side, 13 left side I, 14 left side II, 15 right side, 151 climbing handrail, 16 bottom I, 17 bottom II, 171 discharge port, 18 round hole, 2 power generation component, 21 rotating shaft I, 22 impeller I, 23 transmission belt, 24 DC generator, 3 driving component, 31 impeller II, 311 baffle I, 312 baffle II, 32 fixed shaft, 33 guide rail I, 34 guide rail II, 35 guide rail III, 36 connecting rod I, 361 circular arc block, 362 through hole III, 363 sliding block I, 364 sliding block II, 365 sliding block III, 37 connecting rod II, 38 connecting rod III, 381 small hole, 39 fixed block, 391 clamping groove, 392 through hole II, 40 mesh bag, 4 magnetic absorption component, 41 through pole, 42 coil layer, 44 magnetization layer, 441 magnetization block I, 442 magnetization block II, connecting

shaft

443, 444 bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-12, a sewage treatment device for automatically recycling magnetic materials comprises a box body 1, a power generation component 2, a driving component 3 and a magnetic absorption component 4, wherein the box body 1 comprises a front side surface 11, a rear side surface 12, a first left side surface 13, a second left side surface 14, a right side surface 15, a first bottom surface 16 and a second bottom surface 17, all adjacent surfaces are hermetically welded, the first left side surface 13 is arranged in an inverted S shape, the second left side surface 14 is provided with a first through hole 141, the number of the first through holes 141 is two, the rightmost end of the first bottom surface 16 exceeds the upper end of the second left side surface 14 by a certain distance, the second bottom surface 17 is provided with a discharge port 171, the discharge port 171 discharges the recycled magnetic materials out of the box body 1, climbing handrails 151 are arranged on the inner side and the outer side of the right side surface 15, so that workers can conveniently enter equipment to overhaul and collect the magnetic materials, a round hole 18 is arranged on the, The driving part 3 comprises a first impeller 22, a second rotating shaft 32, a first guide rail 33, a second guide rail 34, a third guide rail 35, a first connecting rod 36, a second connecting rod 37, a third connecting rod 38 and a fixed block 39, wherein one end of the first rotating shaft 21 is arranged on the rear side 12, the other end of the first rotating shaft passes through the front side 11 through the circular hole 18, the first impeller 22 is sleeved on the first rotating shaft 21, the top of the blade of the first impeller 22 is not attached to the lower half part of the first left side 13, the first impeller 22 is prevented from touching the first left side 13 when rotating, the direct current generator 24 is fixedly arranged at the lower end of the first bottom 16, the driving belt 23 is connected with the first rotating shaft 21 passing through the front side 11 and the rotating shaft of the direct current generator 24, when the first impeller 22 is driven by sewage to rotate, the first rotating shaft 21 drives the direct current generator 24 to rotate through the driving belt 23 to generate direct current, the direct current, an arc-shaped strip is cut in the middle of the arc-shaped surface of the fixed block 39, two arc-shaped strips are cut off from the rest part of the arc-shaped surface to form a clamping groove 391, a through hole two 392 penetrates through the fixed block 39, the fixed block 39 is symmetrically arranged on two sides of a left side surface two 14, the through hole two 392 is aligned with the through hole one 141 to facilitate the connection of a circuit, a rotating shaft two 32 is arranged on a front side surface 11 and a back side surface 12, the rotating shaft two 32 is positioned right below the rightmost end of a bottom surface one 16, an impeller two 31 comprises a baffle one 311 and a baffle two 312, the baffle two 312 is arranged at the outer end of the baffle one 311 and forms an included angle of 60 degrees to 80 degrees with the baffle one 311, dense micro through holes are arranged on the baffle one 311, the impeller two 31 is sleeved on the rotating shaft two 32, when sewage falls onto the impeller two 31 from the rightmost end of the bottom surface one 16, the impeller two 31 can drive the impeller 31 to, the first guide rail 33, the second guide rail 34 and the third guide rail 35 are symmetrically arranged on the front side surface 11 and the rear side surface 12 in an arc shape, one end of the first connecting rod 36 is fixedly connected with one end of the second connecting rod 37 through an arc block 361, the inner side of the arc block 361 is concave, one end of the third guide rail is provided with a third through hole 362, the third through hole 362 penetrates through the arc block 361 and then is communicated with the inside of the second connecting rod 37, the arc block 361 can be clamped into a clamping groove 391 and forms sealed rotation with a fixed block 39, the second through hole 392 is all in the coverage range of the arc block 361 during rotation, through the arrangement, when the fixed block 39 and the arc block 361 rotate relatively, a circuit cannot be damaged, and water cannot leak out of a sliding block, the other end of the first connecting rod 36 is fixedly provided with a first sliding block 363, the first 363 is in sliding connection with the first guide rail 33, the radian of the first guide rail 33 is consistent with the movement, one side of the connecting rod I36 is arranged at the upper end of the connecting rod I, the other side of the connecting rod I33 is arranged at the rightmost end of the guide rail I33, when the impeller II 31 rotates clockwise, the connecting rod I36 is driven to rotate leftmost, when the connecting rod I36 rotates to the leftmost end of the guide rail I33, the impeller II 31 and the connecting rod I36 automatically separate, in the process that the connecting rod I36 rotates from the left end of the guide rail I33 to the left end of the guide rail I33, sundries on the baffle I311 fall into the mesh bag 40 along the baffle II 312, the other end of the connecting rod II 37 is fixedly connected with one end of the connecting rod III 38, a sliding block II 364 is fixedly arranged at the connection position, the sliding block II 364 is in sliding connection with the guide rail II 34, the radian of the guide rail II 34 is consistent with the movement locus of the sliding block II 364, the other end of the connecting rod III 38 is fixedly provided with the, the connecting rod II 37 and the connecting rod III 38 are both arranged in a hollow manner, a plurality of small holes 381 are distributed on the connecting rod III 38, the magnetic absorption component 4 comprises a through hole rod 41, a coil layer 42, an insulating layer 43 and a magnetization layer 44, the through hole rod 41 is fixed on the connecting rod III 38 and extends into the small holes 381, the interface is required to be subjected to insulation and seepage prevention treatment, the direct current generator 24 is electrically connected with the through hole I141, the through hole II 392, the through hole III 362, the connecting rod II 37, the connecting rod III 38 and the through hole rod 41, when the connecting rod I36 rotates, the connecting rod II 37 and the connecting rod III 38 are also driven to rotate, the connecting rod III 38 drives the magnetic absorption component 4 to move, after the connecting rod I36 is separated from the impeller II 31, the connecting rod I36 is driven to the rightmost end of the guide rail I33 under the action of gravity of the magnetic absorption component 4, the coil layer 42 is wrapped on the through, the sewage is prevented from being electrified after the coil layer 42 is electrified, safety accidents are avoided, the magnetization layer 44 is wrapped on the periphery of the insulating layer 43 and comprises a first magnetization block 441, a second magnetization block 442, a connecting shaft 443 and a bolt 444, the first magnetization block 441 and the second magnetization block 442 are made of easily magnetized materials, a magnetic field is generated after the coil is electrified, the first magnetization block 441 and the second magnetization block 442 can be repeatedly magnetized by the magnetic field to prevent the first magnetization block 441 and the second magnetization block 442 from being demagnetized, the first magnetization block 441 is rotatably connected through the connecting shaft 443, the number of the second magnetization block 442 is two, one end of the first magnetization block 441 is rotatably connected with the first magnetization block 441 through the connecting shaft 443, and the other end of the first magnetization block 441 is.

The working principle of the invention is as follows:

sewage is injected into the box body 1 from the left side surface 13 of the box body to drive the impeller 22 to rotate anticlockwise, the rotating shaft 21 drives the direct current generator 24 to rotate through the driving belt 23 to generate direct current, the direct current generator 24 is electrically connected with the magnetic absorption part 4 to enable the coil layer 42 to generate magnetism after being electrified, magnetic materials in the sewage are absorbed, the magnetic absorption part 4 is provided with the magnetization layer 44, even if the power generation part 2 stops working, the magnetic materials are absorbed on the magnetization layer 44, the magnetic absorption part 4 can magnetize the magnetization layer 44 to prevent the magnetization layer from being demagnetized, meanwhile, when the sewage falls onto the impeller two 31 from the rightmost end of the bottom surface 16, the impeller two 31 is driven to rotate clockwise, the connecting rod 36 is driven to rotate, the sewage falls into the device through the micro through hole on the baffle one 311, impurities with larger particles are left on the baffle one 311, in the process that the first connecting rod 36 rotates from the left end of the first guide rail 33 to the left end of the first guide rail 33, sundries on the first baffle 311 fall into the mesh bag 40 along the second baffle 312 to primarily remove impurities from the sewage, the first connecting rod 36 drives the second connecting rod 37 and the third connecting rod 38 to rotate in sequence, so that the magnetic absorption part 4 is driven to move, the sewage in the box is in a circulating flow state, the magnetic absorption effect of the magnetic materials in the sewage is better, after the first connecting rod 36 and the second impeller 31 are separated, the first connecting rod 36 is driven back to the rightmost end of the first guide rail 33 under the action of gravity of the magnetic absorption part 4, so that the circulating operation is realized, after the magnetic materials in the box body 1 are absorbed, the discharge port 171 is opened to remove the sewage, the manual operation enters the box body 1 through the climbing handrail 151 to collect and clean the magnetic materials absorbed on the magnetic layer 44, and the bolt 444 can be unscrewed for convenient, the magnetization layer 44 is removed and cleaned, and then the magnetic layer is installed back after cleaning. This sewage treatment plant passes through power generation part 2, drive arrangement 3 and inhales magnetic part 4 mutual linkage and divides the worker's cooperation, utilizes the kinetic energy and the potential energy of water to turn into electric energy, the principle of electricity magnetism and magnetization among the recovery process, retrieves to large granule and tiny particle magnetic material in the sewage of steel and iron works in proper order, and need not to consume a large amount of electric power and consume the additive in the processing procedure, has reduced manufacturing cost, and magnetic material's collection efficiency has promoted 20%.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic retrieve sewage treatment plant of magnetic material which characterized in that includes:

the box body (1) is used for storing sewage and providing a working space for other parts of the device;

a power generation component (2) arranged at the left half part of the box body (1);

a drive member (3) provided on the right half of the case (1);

the magnetic attraction part (4) is connected with the driving part (3);

the box body (1) comprises a front side face (11), a rear side face (12), a first left side face (13), a second left side face (14), a right side face (15), a first bottom face (16) and a second bottom face (17), wherein the first left side face (13) is arranged in an inverted S shape, the first left side face (14) is provided with two through line holes (141), the rightmost end of the first bottom face (16) exceeds the upper end of the second left side face (14) by a certain distance, the second bottom face (17) is provided with a discharge port (171), the front side face (11) is provided with round holes (18), and adjacent faces are welded in a sealing mode;

the power generation component (2) comprises a first rotating shaft (21), a first impeller (22), a transmission belt (23) and a direct current generator (24), one end of the first rotating shaft (21) is arranged on the rear side surface (12), the other end of the first rotating shaft penetrates through the front side surface (11) through the circular hole (18), the first impeller (22) is sleeved on the first rotating shaft (21), the direct current generator (24) is fixedly arranged at the lower end of the first bottom surface (16), and the transmission belt (23) is connected with the first rotating shaft (21) and the direct current generator (24);

the driving part (3) comprises a second impeller (31), a second rotating shaft (32), a first guide rail (33), a second guide rail (34), a third guide rail (35), a first connecting rod (36), an arc block (361), a second connecting rod (37), a third connecting rod (38) and a fixed block (39), the second rotating shaft (32) is arranged on the front side surface (11) and the rear side surface (12), the second rotating shaft (32) is positioned under the rightmost end of the first bottom surface (16), the second impeller (31) is sleeved on the second rotating shaft (32), the first guide rail (33), the second guide rail (34) and the third guide rail (35) are symmetrically arranged on the front side surface (11) and the rear side surface (12), one end of the first connecting rod (36) and one end of the second connecting rod (37) are fixedly connected through the arc block (361), and the other end of the second connecting rod (37) is fixedly connected with the third connecting rod (38), the fixed blocks (39) are symmetrically arranged on two sides of the left side surface II (14);

inhale magnetism part (4) including power pole (41), coil layer (42), insulating layer (43), magnetization layer (44), power pole (41) are fixed on connecting rod three (38), coil layer (42) are wrapped up and are covered on power pole (41), insulating layer (43) parcel is peripheral at coil layer (42), magnetization layer (44) parcel is in the periphery of insulating layer (43).

2. The sewage treatment device for automatically recycling magnetic materials according to claim 1, wherein: the first guide rail (33), the second guide rail (34) and the third guide rail (35) are all arranged in an arc shape.

3. The sewage treatment device for automatically recycling magnetic materials according to claim 1, wherein: the second impeller (31) comprises a first baffle plate (311) and a second baffle plate (312), the second baffle plate (312) is arranged at the outer end of the first baffle plate (311) and forms an included angle of 60-80 degrees with the first baffle plate, and dense micro through holes are formed in the first baffle plate (311).

4. The sewage treatment device for automatically recycling magnetic materials according to claim 1, wherein: the fixing block (39) is semi-cylindrical and is provided with a clamping groove (391) and a second through hole (392), an arc-shaped block is cut in the middle of the arc-shaped surface of the fixing block (39), the rest part of the arc-shaped block is cut off by two arc-shaped strips to form the clamping groove (391), and the second through hole (392) penetrates through the fixing block (39).

5. The sewage treatment device for automatically recycling magnetic materials according to claim 1, wherein: the inner side of the arc block (361) is concave, one end of the arc block is provided with three through wire holes (362), the three through wire holes (362) penetrate through the arc block (361), and the arc block (361) can be clamped into the clamping groove (391) and forms sealed rotation with the fixing block (39).

6. The sewage treatment device for automatically recycling magnetic materials according to claim 1, wherein: the fixed sliding block (363) that is equipped with in connecting rod (36) other end, sliding block (363) with guide rail (33) forms sliding connection, the one end fixed connection of the two (37) other ends of connecting rod and connecting rod three (38), the fixed sliding block two (364) that is equipped with in junction, sliding block two (364) with guide rail two (34) form sliding connection, the fixed sliding block three (365) that is equipped with in the other end of connecting rod three (38), sliding block three (365) with guide rail three (35) form sliding connection, just connecting rod two (37) with connecting rod three (38) inside is hollow setting, it has a plurality of apertures (381) to distribute on connecting rod three (38).

7. The sewage treatment device for automatically recycling the magnetic material according to claim 5, wherein: the driving part (3) further comprises a mesh bag (40), the opening of the mesh bag (40) is arranged upwards, one side of the mesh bag is arranged at the upper end of the first connecting rod (36), and the other side of the mesh bag is arranged at the rightmost end of the first guide rail (33).

8. The sewage treatment device for automatically recycling magnetic materials as claimed in claim 1, wherein said magnetization layer (44) comprises a first magnetization block (441), a second magnetization block (442), a connecting shaft (443) and a bolt (444), said first magnetization block (441) is rotatably connected through said connecting shaft (443), said second magnetization block (442) is two in number, one end of said second magnetization block is rotatably connected to said first magnetization block (441) through said connecting shaft (443), and the other end of said second magnetization block is provided with a bolt hole and is connected through said bolt (444).

9. The sewage treatment device capable of automatically recycling magnetic materials as claimed in claim 1, wherein the direct current generator (24) is electrically connected with the through hole I (141), the through hole II (392), the through hole III (362), the connecting rod II (37), the connecting rod III (38) and the through rod (41).

10. The sewage treatment device for automatically recycling magnetic materials as claimed in claim 1, wherein the inner side and the outer side of the right side surface (15) are provided with climbing handrails (151).