Suspended matter centrifugal separation device for sewage treatment

Abstract

The invention relates to the technical field of sewage treatment, and discloses a suspended matter centrifugal separation device for sewage treatment, which comprises a main centrifugal tank, a filter tank, an auxiliary centrifugal tank and a polymerization tank which are communicated with one another, a through valve is arranged at the communication position, one side of the top and one side of the bottom of the filter tank are communicated with the interior of the polymerization tank, and the other side of the filter tank is communicated with the interior of the polymerization tank. The top of the main centrifugal pool, the top of the auxiliary centrifugal pool and the top of the polymerization pool are each provided with an agent filling hopper, the top of the polymerization pool is communicated with a confluence piece, the confluence piece is used for mixing guided-out materials of the filtering pool and the auxiliary centrifugal pool, the top of the main centrifugal pool is provided with a water inlet pipe, and the main centrifugal pool separates high-density sediment and light floating objects. The filter tank intercepts small flocs, the auxiliary centrifugal tank deeply treats fine suspended solids flushed by an ultrafiltration membrane, the problem of incomplete separation is solved, polymers in the polymerization tank are turned over to prevent the small flocs from sinking to the bottom, meanwhile, the small flocs are promoted to be fully mixed with a polymerizing agent, the polymerization reaction efficiency is enhanced, and the influence of the residual small flocs on the effluent quality is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sewage treatment, in particular to a suspended solid centrifugal separation device for sewage treatment. BACKGROUND

[0002] Sewage suspended solids refer to solid substances insoluble in water in sewage, including organic matter, inorganic matter, microbial floc, etc., and the core is to realize solid-liquid separation through physical separation, chemical flocculation and biological adsorption according to the properties of suspended solids;

[0003] For sewage with small suspended particle size, single centrifugation or filtration equipment is difficult to simultaneously treat high-density sediments, light floating matter and fine suspended solids, resulting in residual floc or particles in the effluent, which needs to be treated multiple times, and light floating matter such as oil and bubbles in the centrifugal link is easy to gather on the liquid surface, which may contain fine suspended solids, and if not treated in time, the efficiency of suspended solid separation will be further reduced. Therefore, we propose a suspended solid centrifugal separation device for sewage treatment. SUMMARY

[0004] The present application aims to provide a suspended solid centrifugal separation device for sewage treatment to solve the problems raised in the background art. To achieve the above purpose, the present application provides the following technical scheme: a main centrifugal pool, a filter pool, a secondary centrifugal pool and a polymerization pool are connected and communicated, and a valve is arranged at the communication position, the top and one side of the bottom of the filter pool are communicated with the inside of the polymerization pool, the top of the main centrifugal pool, the secondary centrifugal pool and the polymerization pool is respectively provided with a reagent filling hopper, the top of the polymerization pool is communicated with a converging piece, the converging piece is used for mixing the discharged materials of the filter pool and the secondary centrifugal pool, and the top of the main centrifugal pool is provided with a water inlet pipe.

[0005] A filter plate is fixedly installed below the communication position of the top of the filter pool and the main centrifugal pool, the filter plate is inclined and symmetrically installed with a guide plate on the surface, the guide plate is arranged in a V shape and guides the flow to the top outlet of the filter pool, the bottom of the filter pool is provided with an ultrafiltration membrane, and the top of the ultrafiltration membrane is provided with a flusher.

[0006] The top of the secondary centrifugal pool is provided with a water filling hopper.

[0007] A rotating shaft is rotatably arranged in the inside of the polymerization pool, two horizontal plates are hinged to the surface of the rotating shaft, a hinge rod is hinged between the two horizontal plates, and a drain port is arranged at the bottom of the polymerization pool.

[0008] The top of the main centrifugal tank is provided with a driving motor, the output end of the driving motor is rotationally connected with a centrifugal shaft, one of the top of the centrifugal shaft near the driving motor is fixedly connected with a belt pulley, the end of the belt pulley group away from the centrifugal shaft is arranged on the top of the polymerization tank, the inside of the main centrifugal tank is provided with a floating object processor.

[0009] Preferably, the top of the floating object processor is fixedly connected with two telescopic supports, the top of the telescopic support is fixedly connected with a mounting plate, the mounting plate is fixedly connected with the inner wall of the main centrifugal tank, and the mounting plate is arranged at a position higher than the liquid level in the main centrifugal tank.

[0010] Preferably, the middle of the centrifugal shaft is fixedly connected with a conical pulley one, the side surface of the conical pulley one is engaged with a conical pulley two, one side of the conical pulley two relative to the conical pulley one is fixedly connected with a reciprocating screw rod, the reciprocating screw rod is rotationally connected with the mounting plate, the reciprocating screw rod is screwed with a sliding frame which is slidingly connected with the mounting plate, and the front part of the two sides of the sliding frame is fixedly installed with a driving arm.

[0011] Preferably, the two sides of the mounting plate are symmetrical and a guide groove is arranged through the mounting plate, the bottom of the mounting plate is fixedly installed with a spring rod one at the outer edge of the guide groove, a mounting bracket is slidingly arranged on the spring rod one, the mounting bracket is slidingly arranged in the guide groove, one side of the bottom of the mounting bracket is fixedly connected with a swing arm, the side of the swing arm away from the mounting bracket is arranged at the shaft center near the bottom of the mounting plate, and the swing arm is rotationally connected with the mounting plate.

[0012] Preferably, the bottom of the mounting bracket is provided with a floating plate, one side of the top of the floating plate is fixedly installed with a hanging shaft, the hanging shaft is slidingly connected with the mounting bracket, and one side of the floating plate relative to the hanging shaft is slidingly connected with the swing arm.

[0013] Preferably, the top of the mounting bracket is slidingly provided with a locking pin, a through hole is arranged through the surface of the locking pin, the top of the mounting plate is fixedly installed with a spring rod two at the inner edge of the guide groove, a wedge block is slidingly arranged on one side of the spring rod two relative to the mounting bracket, and the wedge block is in abutment with the locking pin.

[0014] Preferably, a horizontal shaft is vertically slidingly connected with the wedge block, a fixed arm and a horizontal moving arm are respectively arranged above the guide groove, the horizontal moving arm is slidingly connected with the horizontal shaft, and is fixedly connected with an elastic rod, the elastic rod is movably sleeved with the horizontal shaft, and a guide frame is fixedly arranged on the mounting plate near the spring rod two.

[0015] Preferably, the guide frame comprises a first guide surface, a second guide surface and a third guide surface, the first guide surface and the third guide surface are respectively arranged at the two ends of the guide frame, and are in frictional contact with the elastic rod, and the second guide surface is arranged on the top surface of the guide frame near the horizontal shaft, and is in frictional contact with the horizontal shaft.

[0016] Preferably, the top surface of the mounting plate is fixedly connected with a mounting seat, the mounting seat is arranged in an arc shape, and both ends are fixedly connected with curved frames, the curved frames are arranged in an inclined state and penetrate the through hole on the locking pin.

[0017] Preferably, the belt pulley group is fixedly connected with a missing tooth gear at the top of the polymerization tank, the side surface of the missing tooth gear is engaged with a missing tooth ring rotationally connected with the polymerization tank, a boss is arranged above the missing tooth ring, a bend rod abuts against the surface of the boss, and the bottom of the bend rod is hingedly connected with one of the transverse plates.

[0018] Compared with the prior art, the beneficial effects of the present application are:

[0019] 1. In the present application, the main centrifugal tank separates high-density sediments and light floating materials, the filter tank intercepts small flocs, and the auxiliary centrifugal tank deeply treats small suspended solids washed out by the ultrafiltration membrane, thereby solving the problem of incomplete separation, turning the polymer in the polymerization tank to avoid small flocs sinking to the bottom, promoting the mixing of the small flocs and the polymerizing agent, enhancing the polymerization reaction efficiency, and reducing the influence of residual small flocs on the effluent water quality.

[0020] 2. In the present application, the floating plate swings to gather the floating materials, the floating materials on the liquid surface are collected in time during the centrifugation process, and the sewage in the floating material processor is discharged into the main centrifugal tank for treatment again after treatment.

[0021] 3. In the present application, the locking pin and the inclined wedge block are used to realize the unfolding, gathering, lifting and giving way of the floating plate, which can avoid disturbing the gathered floating materials when the floating plate is reset, and keep the sewage liquid surface stable. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0023] Figure 2 It is a schematic diagram of the structure of the main centrifugal tank of the present application;

[0024] Figure 3 It is a schematic diagram of the structure of the centrifugal shaft of the present application;

[0025] Figure 4 It is a schematic diagram of the internal structure of the main centrifugal tank of the present application;

[0026] Figure 5 It is a schematic diagram of the structure of the floating plate of the present application;

[0027] Figure 6 It is an enlarged schematic diagram of the A area in the present application; Figure 4

[0028] Figure 7 ​The structural schematic diagram of the polymerization tank of the present application;

[0029] Figure 8 The structural schematic diagram of the filter tank of the present application;

[0030] Figure 9 The structural schematic diagram of the guide frame of the present application.

[0031] In the figure: 1, main centrifugal tank; 2, filter tank; 3, auxiliary centrifugal tank; 4, polymerization tank; 5, valve; 6, reagent filling hopper; 7, flow combining device; 8, water inlet pipe; 9, filter plate; 10, guide plate; 11, ultrafiltration membrane; 12, flusher; 13, water filling hopper; 14, rotating shaft; 15, cross plate; 16, hinge rod; 17, water outlet; 18, driving motor; 19, centrifugal shaft; 20, pulley set; 21, floating object processor; 22, telescopic frame; 23, mounting plate; 24, conical wheel one; 25, conical wheel two; 26, reciprocating screw rod; 27, sliding frame; 28, driving arm; 29, guide groove; 30, spring rod one; 31, mounting frame; 32, swing arm; 33, floating plate; 34, hanging shaft; 35, locking pin; 36, through hole; 37, spring rod two; 38, inclined wedge block; 39, cross shaft; 40, fixed arm; 41, traversing arm; 42, elastic rod; 43, guide frame; 431, first guide surface; 432, second guide surface; 433, third guide surface; 44, mounting seat; 45, curved frame; 46, missing tooth gear; 47, missing tooth ring; 48, boss; 49, elbow rod. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0033] Embodiment one:

[0034] Please refer to Figure 1 , Figure 2 , Figure 7 , Figure 8 , the present application provides a technical solution: including main centrifugal tank 1, filter tank 2, auxiliary centrifugal tank 3, polymerization tank 4, and respectively communicating, and the communicating place is provided with valve 5, the top and one side of the bottom of filter tank 2 and the inside of polymerization tank 4 are communicated, the top of main centrifugal tank 1, auxiliary centrifugal tank 3 and polymerization tank 4 is provided with reagent filling hopper 6, the top of polymerization tank 4 is communicated with flow combining device 7, flow combining device 7 is used for mixing the guided-out materials of filter tank 2 and auxiliary centrifugal tank 3, the top of main centrifugal tank 1 is provided with water inlet pipe 8;

[0035] The top of the filter tank 2 is fixedly installed below the communication position of the main centrifugal tank 1, a filter plate 9 is installed, the filter plate 9 is obliquely arranged and symmetrically installed with a guide plate 10 on the surface, the guide plate 10 is arranged in a V shape and guides the flow to the top outlet of the filter tank 2, the bottom of the filter tank 2 is provided with an ultrafiltration membrane 11, and the top of the ultrafiltration membrane 11 is provided with a flusher 12;

[0036] The top of the auxiliary centrifugal tank 3 is provided with a water injection hopper 13.

[0037] The inside of the polymerization tank 4 is rotatably provided with a rotating shaft 14, the surface of the rotating shaft 14 is hingedly provided with two cross plates 15, the two cross plates 15 are hingedly provided with a hinge rod 16, and the bottom of the polymerization tank 4 is provided with a drain 17.

[0038] The top of the main centrifugal tank 1 is provided with a driving motor 18, the output end of the driving motor 18 is rotatably connected with a centrifugal shaft 19, one of the pulley sets 20 is fixedly connected with a belt pulley at the top of the centrifugal shaft 19 close to the driving motor 18, the other end of the pulley set 20 away from the centrifugal shaft 19 is arranged at the top of the polymerization tank 4, and the inside of the main centrifugal tank 1 is provided with a floating matter processor 21.

[0039] The belt pulley at the top of the polymerization tank 4 is fixedly connected with a missing tooth gear 46, the side surface of the missing tooth gear 46 is engaged with a missing tooth ring 47 rotatably connected with the polymerization tank 4, the top of the missing tooth ring 47 is provided with a boss 48, the surface of the boss 48 abuts against an elbow rod 49, and the bottom of the elbow rod 49 is hingedly connected with one of the cross plates 15.

[0040] In the embodiment, sewage enters the main centrifugal tank 1 through the water inlet pipe 8, the driving motor 18 is started, the output end of the driving motor 18 drives the centrifugal shaft 19 to rotate at high speed, and the sewage in the main centrifugal tank 1 is subjected to centrifugal treatment. At the same time, the reagent injection hopper 6 at the top of the main centrifugal tank 1 can add flocculants according to the water quality, promote the aggregation of suspended solids into groups, under the action of centrifugal force, the suspended solids with large density are thrown to the inner wall of the main centrifugal tank 1 and settled, and light floating matters such as floating oil, bubbles and flocculation bodies are aggregated on the liquid surface, and the clear water layer is located in the middle part.

[0041] In this embodiment, the primary centrifugal pool 1 contains fine suspended matter which is not completely separated in the sewage treated initially, and the sewage enters the filter pool 2 through the valve 5, first flows through the inclined filter plate 9, and the V-shaped guide plate 10 guides the small flocculation to the top outlet of the filter pool 2, and then the small flocculation is sent to the confluence 7, and the remaining sewage is filtered through the bottom ultrafiltration membrane 11, the ultrafiltration membrane 11 retains the fine suspended matter, and the filtered clean water and the small flocculation are mixed and introduced into the polymerization pool 4; the flusher 12 flushes the ultrafiltration membrane 11, and the sewage carrying the filtered fine suspended matter enters the secondary centrifugal pool 3, water is added through the water injection hopper 13 to adjust the concentration, and the flocculant is added through the reagent injection hopper 6, and then the secondary centrifugation is performed to strengthen the separation of the fine suspended matter, and the treated sewage is sent to the confluence 7 through the pipeline, and the confluence 7 mixes the suspended matter discharged from the top of the filter pool 2 with the material in the secondary centrifugal pool 3 and sends the mixture to the polymerization pool 4;

[0042] In this embodiment, the reagent injection hopper 6 of the polymerization pool 4 is added with a polymerization agent, the driving motor 18 drives the toothless gear 46 at the top of the polymerization pool 4 through the belt wheel set 20, the toothless gear 46 is intermittently engaged with the toothless ring 47, the boss 48 on the toothless ring 47 pushes the elbow rod 49 to swing, when the elbow rod 49 passes through the boss 48, one of the horizontal plates 15 is pulled upward, the small flocculation in the polymerization pool 4 is turned over, the phenomenon of sinking to the bottom is prevented, the small flocculation is fully polymerized, and finally the clean water after polymerization is discharged from the bottom drain 17;

[0043] In this embodiment, the water inlet pipe 7 and the reagent injection hopper 6 of the primary centrifugal pool 1 penetrate the mounting plate;

[0044] Embodiment two:

[0045] Please refer to Figures 3 to 5 The application provides a technical solution: the top of the floating object processor 21 is fixedly connected with two telescopic frames 22, the top of the telescopic frame 22 is fixedly connected with a mounting plate 23, the mounting plate 23 is fixedly connected with the inner wall of the primary centrifugal pool 1, and the mounting plate 23 is arranged at a position higher than the liquid level in the primary centrifugal pool 1;

[0046] The middle part of the centrifugal shaft 19 is fixedly connected with a conical wheel one 24, the side surface of the conical wheel one 24 is engaged with a conical wheel two 25, one side of the conical wheel two 25 is fixedly connected with a reciprocating screw rod 26, the reciprocating screw rod 26 is rotatably connected with the mounting plate 23, the reciprocating screw rod 26 is screwed with a sliding frame 27 which is slidably connected with the mounting plate 23, and the front part of the sliding frame 27 is fixedly provided with driving arms 28 on both sides;

[0047] Two sides of the mounting plate 23 are symmetrically and throughly provided with guide grooves 29, a spring rod one 30 is fixedly installed at the bottom of the mounting plate 23 at the outer edge of the guide groove 29, a mounting rack 31 is slidably arranged on the spring rod one 30, the mounting rack 31 is slidably arranged in the guide groove 29, one side of the bottom of the mounting rack 31 is fixedly connected with a swing arm 32, the swing arm 32 away from the mounting rack 31 is arranged at the shaft center close to the bottom of the mounting plate 23 and is rotationally connected with the mounting plate 23;

[0048] A floating plate 33 is arranged at the bottom of the mounting rack 31, a hanging shaft 34 is fixedly installed at one side of the top of the floating plate 33, the hanging shaft 34 is slidably connected with the mounting rack 31, and one side of the floating plate 33 relative to the hanging shaft 34 is slidably connected with the swing arm 32;

[0049] In the embodiment, when the centrifugal shaft 19 rotates, the conical wheel one 24 in the middle part engages with the conical wheel two 25, drives the reciprocating screw rod 26 to rotate, and makes the sliding frame 27 screwed on the screw rod reciprocate along the mounting plate 23, the driving arms 28 on both sides of the sliding frame 27 are synchronously moved, the driving arms 28 push the mounting rack 31 to slide along the guide groove 29 and the spring rod one 30, the swing arm 32 at the bottom of the mounting rack 31 rotates around the shaft center of the mounting plate 23, drives the floating plate 33 to swing on the liquid surface, the floating plate 33 is slidably connected with the mounting rack 31 through the hanging shaft 34, adapts to the change of the liquid surface height, and the floating plate 33 converges the floating objects on the liquid surface to the floating object processor 21 of the main centrifugal pool 1 in the swinging process, so that the floating objects are directly treated;

[0050] In the embodiment, the sewage floating object processor 21 processes the light floating objects in the sewage, such as floating oil, flocculation bodies wrapped by bubbles, organic debris and plastic particles, and the water contained in the floating objects is discharged into the main centrifugal pool 1 again after being treated;

[0051] Embodiment three:

[0052] Please refer to Figure 6 The present application provides a technical scheme: a locking pin 35 is slidably arranged at the top of the mounting rack 31, a through hole 36 is throughly arranged on the surface of the locking pin 35, a spring rod two 37 is fixedly installed at the top of the mounting plate 23 close to the inner edge of the guide groove 29, an inclined wedge block 38 is slidably arranged on one side of the spring rod two 37 relative to the mounting rack 31, and the inclined wedge block 38 abuts against the locking pin 35;

[0053] A horizontal shaft 39 is vertically and slidably connected with the inclined wedge block 38, a fixed arm 40 and a horizontal moving arm 41 are respectively arranged above the horizontal shaft 39, the horizontal moving arm 41 is slidably connected with the horizontal shaft 39 and is fixedly connected with an elastic rod 42, the elastic rod 42 is movably sleeved with the horizontal shaft 39, and a guide frame 43 is fixedly arranged on the mounting plate 23 close to the spring rod two 37;

[0054] The guide frame 43 comprises a first guide surface 431, a second guide surface 432 and a third guide surface 433, the first guide surface 431 and the third guide surface 433 are respectively arranged at the two ends of the guide frame 43 and are in frictional contact with the elastic rod 42, and the second guide surface 432 is arranged on the top surface of the guide frame 43 close to the horizontal shaft 39 and is in frictional contact with the horizontal shaft 39;

[0055] The top surface of the mounting plate 23 is fixedly connected with a mounting seat 44, the mounting seat 44 is arranged in an arc shape and both ends thereof are fixedly connected with a curved frame 45, the curved frame 45 is arranged in an inclined state and penetrates through the through hole 36 on the locking pin 35;

[0056] In the embodiment, when the mounting frame 31 slides, the locking pin 35 moves downward along the curved frame 45, and the two floating plates 33 are simultaneously expanded to the two sides to gather floating objects, the locking pin 35 passes through the top of the inclined wedge block 38 and is lifted upward by the inclined wedge block 38, after the floating objects are gathered once, the locking pin 35 falls from the inclined wedge block 38 and is attached to the side surface of the inclined wedge block 38, at this time, the reciprocating screw rod 26 drives the mounting frame 31 to return to the original position, in the process, the locking pin 35 pushes the inclined wedge block 38 to gradually compress the spring on the spring rod 37, the inclined wedge block 38 drives the horizontal shaft 39 to move, the elastic rod 42 is in contact with the first guide surface 431 along the guide frame 43 and is pulled outward, the horizontal moving arm 41 fixedly connected with the elastic rod 42 moves close to the fixed arm 40 to clamp the hanging shaft 34 on the mounting frame 31, at this time, the elastic rod 42 passes through the first guide surface 431 and continuously maintains the clamping state of the hanging shaft 34, then the horizontal shaft 39 passes through the second guide surface 432 and is lifted upward, so that the hanging shaft 34 drives the floating plate 33 to be simultaneously lifted upward, the floating plate 33 leaves the liquid surface of the sewage to leave space for the floating objects on the surface of the sewage and avoid disturbing the floating objects;

[0057] In the embodiment, when the locking pin 35 is close to the mounting seat 44, the elastic rod 42 first contacts the third guide surface 433, so that the spacing between the fixed arm 40 and the horizontal moving arm 41 is expanded to release the clamping of the hanging shaft 34, and at the same time, the mounting frame 31 continues to move a distance to return to the original position, in the process, the end of the curved frame 45 away from the mounting seat 44 is inserted into the through hole 36 of the locking pin 35, so that the locking pin 35 is lifted upward and gradually breaks the contact with the inclined wedge block 38, and the inclined wedge block 38 is automatically returned to the original position under the action of the spring rod 37.

[0058] The use method and advantages of the present application are as follows:

[0059] As Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 ,Figure 9 shown:

[0060] S1: sewage through the inlet pipe 8 into the main centrifugal pool 1, drive motor 18 driven centrifugal shaft 19 rotation, flocculant to promote the aggregation of suspended solids, high density suspended solids, light weight floating material gathered in the liquid surface, the middle of the clear water, combined with the flow of material into the polymerization tank 4, after adding polymerization agent, pulley set 20 driven gear 46 and gear ring 47 meshing, boss 48 push elbow rod 49 swing, the horizontal plate 15 bottom to prevent sinking, and promote the aggregation of flocculation, clear water from the drain 17 discharge;

[0061] S2: the preliminary treatment of sewage through the valve 5 into the filter tank 2, filter plate 9 and V-shaped guide plate 10 will be small flocculation to the combined flow of material 7, the remaining sewage through the ultrafiltration membrane 11 after filtering and flocculation into the polymerization tank 4; rinse the ultrafiltration membrane 11 of sewage with fine suspended solids into the secondary centrifugal pool 3, add water to adjust the concentration and after adding agent, secondary centrifugation, and into the polymerization tank 4 synchronous polymerization;

[0062] S3: the centrifugal shaft 19 through the conical wheel driven reciprocating wire rod 26, so that the slide 27 and drive arm 28 reciprocating motion, push to install the frame 31 sliding, swing arm 32 driven floating plate 33 swing gather floating material, and timely processing;

[0063] S4: when the installation frame 31 sliding, lock pin 35, wedge block 38 and so on, realize the floating plate 33 spread gathering, lifting let place, in the floating plate 33 is raised, prevent disturbance water surface.

[0064] The above shows and describes the basic principles of the present application, the main features and advantages of the present application. The technical staff of the industry should understand that the present application is not limited to the above examples, the above examples and the description described in the application are only preferred examples of the application, and are not intended to limit the application, without departing from the spirit and scope of the application, the application will have various changes and improvements, these changes and improvements all fall within the scope of the claimed application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A suspended solid centrifugal separation device for sewage treatment, characterized by comprising: The utility model provides a kind of centrifugal filter, including main centrifugal pool (1), filter pool (2), auxiliary centrifugal pool (3), polymerization pool (4), and respectively communicate, and be provided with valve (5) at communication, the top and the bottom side of filter pool (2) and polymerization pool (4) inside are communicated, the top of main centrifugal pool (1), auxiliary centrifugal pool (3) and polymerization pool (4) is provided with medicament filling hopper (6) respectively, the top of polymerization pool (4) is communicated with confluence (7), the confluence (7) is used to mix the export material of filter pool (2) and auxiliary centrifugal pool (3), the top of main centrifugal pool (1) is provided with water inlet pipe (8); The top of filter pool (2) is fixedly installed with filter plate (9) below main centrifugal pool (1) communication, the filter plate (9) is obliquely arranged and symmetrically installed with guide plate (10) on surface, the guide plate (10) is arranged in V shape and is guided to the top outlet of filter pool (2), the bottom of filter pool (2) is provided with ultrafiltration membrane (11), the top of ultrafiltration membrane (11) is provided with flusher (12); The top of auxiliary centrifugal pool (3) is provided with water filling hopper (13); The inside of polymerization pool (4) is rotatably provided with rotating shaft (14), the surface of rotating shaft (14) is hinged with two horizontal plates (15), a hinge rod (16) is hinged between two horizontal plates (15), the bottom of polymerization pool (4) is provided with drain (17); The top of main centrifugal pool (1) is provided with driving motor (18), the output end of driving motor (18) is rotatably connected with centrifugal shaft (19), one of pulley groups (20) is fixedly connected with centrifugal shaft (19) at the top near driving motor (18), the end, away from centrifugal shaft (19), of pulley group (20) is arranged at the top of polymerization pool (4), the inside of main centrifugal pool (1) is provided with floating object processor (21).

2. The suspended solid centrifugal separation device for sewage treatment according to claim 1, characterized in that: The top of floating object processor (21) is fixedly connected with two telescopic frames (22), the top of telescopic frame (22) is fixedly connected with mounting plate (23), the mounting plate (23) is fixedly connected with the inner wall of main centrifugal pool (1), the mounting plate (23) is arranged at higher than the liquid level in main centrifugal pool (1).

3. The suspended solid centrifugal separation device for sewage treatment according to claim 1, characterized in that: The middle part of centrifugal shaft (19) is fixedly connected with conical pulley one (24), the side of conical pulley one (24) is engaged with conical pulley two (25), reciprocating screw rod (26) is fixedly connected to one side of conical pulley two (25) relative to conical pulley one (24), reciprocating screw rod (26) is rotatably connected with mounting plate (23), screw rod (26) is screwed with slide frame (27) that is slidingly connected with mounting plate (23), drive arm (28) is fixedly installed on the front two sides of slide frame (27).

4. The suspended solid centrifugal separation device for sewage treatment according to claim 3, characterized in that: Both sides of the mounting plate (23) are symmetrically and throughly provided with guide grooves (29), the bottom of the mounting plate (23) is fixedly installed with spring rods (30) at the outer edge of the guide grooves (29), the spring rods (30) are slidably provided with mounting racks (31), the mounting racks (31) are slidably arranged in the guide grooves (29), one side of the bottom of the mounting rack (31) is fixedly connected with a swing arm (32), the side away from the mounting rack (31) of the swing arm (32) is arranged at the shaft center close to the bottom of the mounting plate (23) and is rotationally connected with the mounting plate (23).

5. The suspended solid centrifugal separation device for sewage treatment according to claim 4, characterized in that: The bottom of the mounting rack (31) is provided with a floating plate (33), one side of the top of the floating plate (33) is fixedly installed with a hanging shaft (34), the hanging shaft (34) is slidably connected with the mounting rack (31), and one side of the floating plate (33) relative to the hanging shaft (34) is slidably connected with the swing arm (32).

6. The suspended solid centrifugal separation device for sewage treatment according to claim 4, characterized in that: The top of the mounting rack (31) is slidably provided with a locking pin (35), the surface of the locking pin (35) is throughly provided with a through hole (36), the top of the mounting plate (23) is fixedly installed with spring rods (37) close to the inner edge of the guide grooves (29), one side of the spring rods (37) relative to the mounting rack (31) is slidably provided with a wedge block (38), and the wedge block (38) is in abutment with the locking pin (35).

7. A suspended solids centrifugal separation apparatus for sewage treatment according to claim 6, characterised in that: The wedge block (38) is vertically and slidably connected with a horizontal shaft (39), the horizontal shaft (39) is arranged with a fixed arm (40) and a horizontal moving arm (41) above the guide grooves (29), the horizontal moving arm (41) is slidably connected with the horizontal shaft (39) and is fixedly connected with a spring rod (42), the spring rod (42) is movably sleeved with the horizontal shaft (39), and the mounting plate (23) is fixedly provided with a guide frame (43) close to the spring rods (37).

8. The suspended solids centrifugal separation device for sewage treatment according to claim 7, characterized in that: The guide frame (43) comprises a first guide surface (431), a second guide surface (432) and a third guide surface (433), the first guide surface (431) and the third guide surface (433) are respectively arranged at the first end and the second end of the guide frame (43) and are in frictional contact with the spring rod (42), and the second guide surface (432) is arranged on the top surface of the guide frame (43) close to the horizontal shaft (39) and is in frictional contact with the horizontal shaft (39).

9. The suspended solid centrifugal separation device for sewage treatment according to claim 3, characterized in that: The top surface of the mounting plate (23) is fixedly connected with a mounting seat (44), the mounting seat (44) is arranged in an arc shape and is fixedly connected with curved frames (45) at both ends, the curved frames (45) are arranged in an inclined state and through the through hole (36) on the locking pin (35).

10. The suspended solid centrifugal separation device for sewage treatment according to claim 1, characterized in that: The pulley group (20) is fixedly connected with a missing tooth gear (46) at the top of the polymerization tank (4), the side surface of the missing tooth gear (46) is engaged with a missing tooth ring (47) rotationally connected with the polymerization tank (4), the upper portion of the missing tooth ring (47) is provided with a boss (48), the surface of the boss (48) is in abutment with an elbow rod (49), and the bottom of the elbow rod (49) is hingedly connected with one of the horizontal plates (15).

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