CN117023666A - Environment-friendly multistage sewage treatment device - Google Patents

Abstract

The invention relates to the field of sewage treatment, in particular to an environment-friendly multi-stage sewage treatment device which comprises a box body, wherein a tank body is fixedly connected in the box body, a filter frame is arranged in the tank body, corner blocks are fixedly connected to two sides of the upper end of the filter frame, positioning columns are vertically fixed to two sides of the upper end of the tank body, limit grooves are formed in the upper ends of the two positioning columns, limit mechanisms are arranged at positions, corresponding to the two corner blocks, of the two sides of the upper end of the filter frame, one side of each limit mechanism corresponds to the two limit grooves respectively, a drain pipe is fixedly connected to one side of the bottom end of the tank body, an aeration mechanism is arranged at the bottom end of the tank body, the upper end of the aeration mechanism stretches into the tank body, a motor is fixedly connected to the center of the bottom end of the tank body, a rotating rod is fixedly connected to the output end of the motor, and impurities in the tank body are separated in multiple stages, so that excessive impurities in sewage are prevented from being accumulated on a filter screen, meanwhile, impurities on a green filter screen can be cleaned in time, the impurities are prevented from being accumulated on the filter screen, and blocking is caused by the filter screen, and the sewage treatment efficiency is guaranteed.

Description

Environment-friendly multistage sewage treatment device

Technical Field

The invention relates to the field of sewage treatment, in particular to an environment-friendly multi-stage sewage treatment device.

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. Mainly, the water after living use contains more organic matters and is easy to treat, and according to sewage sources, sewage can be defined as liquid or water which is discharged from houses, institutions, businesses or industrial areas and mixed with groundwater, surface water, storm snow and the like and carries wastes.

When handling sewage, need clear up debris in the sewage generally, at present generally all carry out filtration treatment to debris in the sewage through the filter screen, but the inlet tube of sewage advances the partial position that corresponds the filter screen, leads to the utilization ratio of filter screen lower, and partial position debris is piled up too much on the filter screen to influence the passing efficiency of sewage, and the size debris in the sewage all concentrate on a filter screen, can accelerate the jam of filter screen more, and then influence the filtration treatment efficiency of sewage.

Disclosure of Invention

Aiming at the problems that in the prior art, when sewage is treated, impurities in the sewage are generally required to be cleaned, at present, the impurities in the sewage are generally filtered through a filter screen, but a water inlet pipe of the sewage enters a part of positions corresponding to the filter screen, so that the utilization rate of the filter screen is lower, the impurities at the upper part of the filter screen are excessively accumulated, the passing efficiency of the sewage is influenced, and the impurities in the sewage are concentrated on one filter screen, so that the blocking of the filter screen is quickened, and the filtering treatment efficiency of the sewage is influenced.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides an environment-friendly multistage sewage treatment device, includes the box, fixedly connected with cell body in the box, be equipped with the filter frame in the cell body, filter frame upper end both sides all fixedly connected with bight, cell body upper end both sides all perpendicular to have the reference column, two the reference column upper end all is equipped with the spacing groove, the filter frame upper end both sides correspond the position of two bight and all are equipped with stop gear, two stop gear one side respectively with two spacing grooves are corresponding, cell body bottom one side fixedly connected with drain pipe, cell body bottom is equipped with aeration mechanism, the aeration mechanism upper end stretches into in the cell body, cell body bottom central point puts fixedly connected with motor, motor output fixedly connected with bull stick, bull stick and filter frame activity cup joint, bull stick top fixedly connected with first bevel gear; fixedly connected with baffle in the box, the baffle is located the cell body top, bull stick rotates with the baffle to be connected, be equipped with two through openings on the baffle, two equal fixedly connected with filter screen of through opening upper end, two all be equipped with drive mechanism above the filter screen, two drive mechanism is located bull stick upper end both sides respectively, two drive mechanism bottom all is equipped with the revolving post, two the revolving post all rotates with the box inner wall to be connected, two the revolving post upper end outside is equipped with the second tooth, two equal fixedly connected with connecting block in revolving post bottom, two equal fixedly connected with in connecting block bottom is first fixed block, two all be equipped with the second fixed block under the first fixed block, two all be connected through two adjustment mechanism between first fixed block and the corresponding second fixed block, two the second fixed block bottom all is equipped with clearance mechanism, two the drive mechanism bottom respectively with two filter screen upper ends laminating, the box upper end is equipped with both sides, the bottom is all fixed to be connected with the filter screen in charge pipe, two the equal to be inserted into two and is corresponding to be equipped with the filter screen in charge pipe.

Specifically, aeration mechanism includes air compressor machine, intake pipe, filter, shunt tubes, a plurality of outlet duct and a plurality of check valve, air compressor machine fixedly connected with is on the box diapire, air compressor machine inlet end fixedly connected with intake pipe, intake pipe one end stretches out the box, the intake pipe is located the inside fixedly connected with filter of one end outside the box, air compressor machine outlet end fixedly connected with shunt tubes, shunt tubes upper end fixedly connected with a plurality of outlet ducts, a plurality of outlet duct upper ends all insert and establish in the cell body, a plurality of the inside equal fixedly connected with check valve of outlet duct.

Specifically, two stop gear all includes concave piece, stopper, pivot and two torsional springs, concave piece fixed connection is in filter frame upper end one side, concave piece notch internal rotation is connected with the pivot, stopper one end is fixed to cup joint with the pivot, the stopper other end is laminated with the spacing groove mutually, equal fixedly connected with torsional spring between stopper both sides and concave piece notch both sides wall, two the torsional spring is all overlapped and is established at the pivot periphery.

Specifically, two drive mechanism all includes second bevel gear, two connecting rods, reciprocating screw rod, movable plate, first tooth and guide arm, two fixedly connected with reciprocating screw rod between the connecting rod, one of them connecting rod rotates with the box inner wall to be connected, another connecting rod one end fixedly connected with second bevel gear, the second bevel gear meshes with first bevel gear mutually, threaded connection has the movable plate on the reciprocating screw rod, the movable plate bottom is equipped with first tooth, first tooth meshes with second tooth mutually, guide arm fixed connection is on the box inner wall, movable plate cup joints with the guide arm activity.

Specifically, two the clearance mechanism all includes cleaning brush, installation piece, installation pole, mounting groove and spring, installation piece bottom fixedly connected with cleaning brush, cleaning brush bottom and filter screen upper end closely laminate, the installation piece upper end is equipped with the mounting groove, installation pole upper end fixed connection is in the second fixed block bottom, installation pole bottom activity is inserted and is established in the mounting groove, installation pole and mounting groove looks adaptation, spring fixed connection is between second fixed block and installation piece, the spring housing is established at the installation pole periphery.

Specifically, four adjustment mechanism all includes two side blocks, mounting cylinder, thread groove, bolt, two clamp splice, four fixture blocks and four draw-in grooves, two the clamp splice is located first fixed block and second fixed block outside respectively, two the clamp splice is all established to the spill form, two the equal fixedly connected with two fixture blocks of clamp splice notch end, first fixed block and second fixed block outside all are equipped with the draw-in groove with fixture block looks adaptation, four the fixture block is movably inserted respectively and is established in four draw-in grooves, two the equal fixedly connected with side block in the clamp splice outside, two side block opposite side is equipped with mounting cylinder and bolt respectively, the mounting cylinder rotates with corresponding side block to be connected, bolt and corresponding side block fixed connection, the one end that the mounting cylinder is close to the bolt is equipped with the thread groove, bolt and thread groove threaded connection.

Specifically, a plurality of inserted bars are fixedly connected with the bottom end of the first fixed block, a plurality of slots matched with the inserted bars are formed in the upper end of the second fixed block, and a plurality of inserted bars are movably inserted into a plurality of slots respectively.

Specifically, a plurality of flabellum of bull stick lower extreme outside fixedly connected with, a plurality of the flabellum all is located the filter frame bottom, a plurality of flabellum horizontal height all is greater than a plurality of outlet duct top horizontal height.

The invention has the beneficial effects that:

(1) According to the environment-friendly multistage sewage treatment device, compressed air is conveyed to the bottom of the tank body through the air outlet pipes, so that a large number of bubbles can be generated, the bubbles are cut through the rotating fan blades, so that a large number of smaller bubbles are generated, when the bubbles rise, smaller impurities in sewage can be attached to the bubbles and rise to the water surface together with the bubbles to form scum, the scum can be concentrated on the filter frame in the later stage, the turning limiting block rotates around the rotating shaft, the torsion spring is twisted, the filter frame can be taken out from the tank body after the limiting block is completely separated from the limiting groove on the positioning column, the scum on the filter frame is treated, the installation and the disassembly of the filter frame are very convenient, and the filtering treatment of the smaller impurities in the sewage is facilitated.

(2) According to the environment-friendly multistage sewage treatment device, the rotating column is driven to rotate back and forth through the moving plate which moves back and forth, the cleaning brush is driven to overturn back and forth through the connecting block and the adjusting mechanism when the rotating column rotates back and forth, the cleaning brush in an initial state is in a vertical state with the filter screen, the spring is in a compressed state, the cleaning brush is always attached to the upper end of the filter screen through the acting force of the spring in the overturning process of the cleaning brush, so that the cleaning effect on sundries on the filter screen is guaranteed, when the bottom end of the cleaning brush cannot be contacted with the upper end of the filter screen due to abrasion, the mounting cylinder is rotated, and the two side blocks are gradually far away due to threaded connection of the mounting cylinder and the bolts, so that the first fixed block is far away from the second fixed block, the cleaning brush is further downwards moved to be contacted with the filter screen, the cleaning effect on the filter screen by the cleaning brush is guaranteed, and sundries in sewage are prevented from being accumulated on the filter screen in multiple stages, and the sewage treatment efficiency is guaranteed.

Drawings

The invention will be further described with reference to the drawings and examples.

FIG. 1 is a schematic diagram of an environment-friendly multistage sewage treatment device provided by the invention;

FIG. 2 is a schematic diagram of a cleaning mechanism of an environment-friendly multi-stage sewage treatment device;

FIG. 3 is an enlarged schematic view of the structure of the A-site of the environment-friendly multistage sewage treatment device provided by the invention;

FIG. 4 is a schematic structural view of an adjusting mechanism of an environment-friendly multi-stage sewage treatment device provided by the invention;

FIG. 5 is a schematic diagram of a driving mechanism of an environment-friendly multi-stage sewage treatment device according to the present invention;

FIG. 6 is a schematic diagram of a limiting mechanism of an environment-friendly multistage sewage treatment device;

fig. 7 is a schematic structural diagram of a positioning column of an environment-friendly multistage sewage treatment device.

In the figure: 1. a case; 2. a partition plate; 3. a main pipe; 4. a branch pipe; 5. a driving mechanism; 51. a second bevel gear; 52. a connecting rod; 53. a reciprocating screw rod; 54. a moving plate; 55. a first tooth; 56. a guide rod; 6. a cleaning mechanism; 61. cleaning brushes; 62. a mounting block; 63. a mounting rod; 64. a mounting groove; 65. a spring; 7. an adjusting mechanism; 71. a side block; 72. a mounting cylinder; 73. a thread groove; 74. a bolt; 75. clamping blocks; 76. a clamping block; 77. a clamping groove; 8. a limiting mechanism; 81. a concave block; 82. a limiting block; 83. a rotating shaft; 84. a torsion spring; 9. an aeration mechanism; 91. an air compressor; 92. an air inlet pipe; 93. a filter; 94. a shunt; 95. an air outlet pipe; 96. a check valve; 10. a through port; 11. a filter screen; 12. a cell body; 13. a rotating rod; 14. a first bevel gear; 15. a fan blade; 16. a filter frame; 17. a motor; 18. a drain pipe; 19. a rotating column; 20. a second tooth; 21. a connecting block; 22. a first fixed block; 23. a second fixed block; 24. a rod; 25. a slot; 26. a corner block; 27. positioning columns; 28. and a limit groove.

Detailed Description

The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.

As shown in fig. 1-7, the environment-friendly multistage sewage treatment device comprises a box body 1, wherein a tank body 12 is fixedly connected in the box body 1, a filter frame 16 is arranged in the tank body 12, corner blocks 26 are fixedly connected to two sides of the upper end of the filter frame 16, positioning columns 27 are vertically fixed to two sides of the upper end of the tank body 12, limit grooves 28 are formed in the upper ends of the two positioning columns 27, limit mechanisms 8 are arranged at positions, corresponding to the two corner blocks 26, of the two sides of the upper end of the filter frame 16, one side of each limit mechanism 8 corresponds to each limit groove 28, a drain pipe 18 is fixedly connected to one side of the bottom end of the tank body 12, an aeration mechanism 9 is arranged at the bottom end of the tank body 12, the upper end of the aeration mechanism 9 extends into the tank body 12, a motor 17 is fixedly connected to the center of the bottom end of the tank body 12, a rotary rod 13 is fixedly connected to the output end of the motor 17, the rotary rod 13 is movably sleeved with the filter frame 16, and a first bevel gear 14 is fixedly connected to the top end of the rotary rod 13; fixedly connected with baffle 2 in box 1, baffle 2 is located cell body 12 top, bull stick 13 rotates with baffle 2 to be connected, be equipped with two through-openings 10 on the baffle 2, equal fixedly connected with filter screen 11 of two through-openings 10 upper ends, two filter screen 11 tops all are equipped with drive mechanism 5, two drive mechanism 5 are located bull stick 13 upper end both sides respectively, two drive mechanism 5 bottom all are equipped with column 19, two column 19 all rotate with 1 inner wall of box and are connected, the outside of two column 19 upper end is equipped with second tooth 20, the equal fixedly connected with connecting block 21 of two column 19 bottom, the equal fixedly connected with of two connecting block 21 bottom first fixed block 22, all be equipped with second fixed block 23 under two first fixed block 22, all be connected through two adjustment mechanism 7 between two first fixed block 22 and the corresponding second fixed block 23, two second fixed block 23 bottom all are equipped with clearance mechanism 6, two drive mechanism 6 bottom respectively with two filter screen 11 upper ends laminating, the box 1 upper end is equipped with both sides 3, 3 bottom end is fixed with 4 in time to prevent that the filter screen 11 from piling up in the filter screen 11, the equal pipe bottom is equipped with in time, the filter screen 11 is piled up in time to the multiple filter screen 11 is guaranteed to the equal fixedly connected with the bottom of two connecting block 21, thereby the filter screen 11, the filter screen 11 is piled up in time can also be guaranteed to the multiple filter screen 11.

Specifically, the aeration mechanism 9 includes air compressor 91, intake pipe 92, filter 93, shunt tubes 94, a plurality of outlet duct 95 and a plurality of check valve 96, air compressor 91 fixed connection is on box 1 diapire, air compressor 91 inlet end fixedly connected with intake pipe 92, intake pipe 92 one end stretches out box 1, the inside fixedly connected with filter 93 of one end that intake pipe 92 is located box 1, air compressor 91 outlet end fixedly connected with shunt tubes 94, shunt tubes 94 upper end fixedly connected with a plurality of outlet duct 95, a plurality of outlet duct 95 upper ends all insert and establish in cell body 12, a plurality of outlet duct 95 inside all fixedly connected with check valve 96, air compressor 91 carries compressed air to cell body 12 bottom through a plurality of outlet duct 95, thereby can produce a large amount of bubbles, motor 17 drives a plurality of flabellum 15 through bull stick 13 and rotates, cut the bubble through a plurality of pivoted flabellum 15, thereby produce a large amount of less bubbles, when the bubble rises, less impurity in the sewage then clings to on the bubble and rises to the surface of water along with the bubble and forms the dross.

Specifically, two stop gear 8 all include concave piece 81, stopper 82, pivot 83 and two torsional springs 84, concave piece 81 fixed connection is in filter frame 16 upper end one side, concave piece 81 notch internal rotation is connected with pivot 83, stopper 82 one end is fixed to cup joint with pivot 83, the stopper 82 other end is laminated mutually with spacing groove 28, all fixedly connected with torsional springs 84 between stopper 82 both sides and concave piece 81 notch both sides wall, two torsional springs 84 are all overlapped and are established at the pivot 83 periphery, upset stopper 82, stopper 82 will twist torsional springs 84 when rotating with pivot 83 as the axle center, can filter frame 16 follow cell body 12 after stopper 82 and spacing groove 28 on the reference column 27 are completely separated, thereby handle the dross on the filter frame 16, installation and dismantlement to filter frame 16 are all very convenient.

Specifically, the two driving mechanisms 5 each include a second bevel gear 51, two connecting rods 52, a reciprocating screw rod 53, a moving plate 54, a first tooth 55 and a guide rod 56, the reciprocating screw rod 53 is fixedly connected between the two connecting rods 52, one connecting rod 52 is rotationally connected with the inner wall of the box body 1, one end of the other connecting rod 52 is fixedly connected with the second bevel gear 51, the second bevel gear 51 is meshed with the first bevel gear 14, the moving plate 54 is connected with the reciprocating screw rod 53 in a threaded manner, the first tooth 55 is arranged at the bottom end of the moving plate 54, the first tooth 55 is meshed with the second tooth 20, the guide rod 56 is fixedly connected with the inner wall of the box body 1, and the moving plate 54 is movably sleeved with the guide rod 56.

Specifically, two clearance mechanisms 6 all include cleaning brush 61, installation piece 62, installation pole 63, mounting groove 64 and spring 65, installation piece 62 bottom fixedly connected with cleaning brush 61, cleaning brush 61 bottom and filter screen 11 upper end closely laminate, installation piece 62 upper end is equipped with mounting groove 64, installation pole 63 upper end fixed connection is in second fixed block 23 bottom, installation pole 63 bottom activity is inserted and is established in mounting groove 64, installation pole 63 and mounting groove 64 looks adaptation, spring 65 fixed connection is between second fixed block 23 and installation piece 62, the spring 65 cover is established at installation pole 63 periphery, first bevel gear 14 and second bevel gear 51 through the meshing when bull stick 13 rotates drive reciprocating screw 53 rotation, thereby make movable plate 54 follow reciprocating screw 53 and reciprocate, drive the steering column 19 and make a round trip through first tooth 55 and the second tooth 20 of meshing, drive cleaning brush 61 through connecting block 21 and adjustment mechanism 7 when the steering column 19 makes a round trip.

Specifically, four adjustment mechanism 7 all include two side blocks 71, the mounting cylinder 72, the screw thread groove 73, the bolt 74, two clamp splice 75, four fixture blocks 76 and four draw-in grooves 77, two clamp splice 75 are located first fixed block 22 and the outside of second fixed block 23 respectively, two clamp splice 75 all establish to the spill form, two fixture blocks 76 of equal fixedly connected with of recess end of two clamp splice 75, first fixed block 22 and the outside of second fixed block 23 all are equipped with the draw-in groove 77 with fixture block 76 looks adaptation, four fixture blocks 76 movable insertion respectively establish in four draw-in grooves 77, two clamp splice 75 outside all fixedly connected with side block 71, two side block 71 opposite sides are equipped with mounting cylinder 72 and bolt 74 respectively, mounting cylinder 72 and corresponding side block 71 swivelling joint, bolt 74 and corresponding side block 71 fixed connection, the one end that mounting cylinder 72 is close to bolt 74 is equipped with screw thread groove 73, bolt 74 and screw thread groove 73, when the bottom can not make filter screen 11 upper end contact owing to wearing and tearing, rotate mounting cylinder 72, thereby make two side blocks 72 and filter screen 11 are kept away from the fixed to the filter screen 11, thereby the filter screen is kept away from to the fixed effect of cleaning brush 11 to the side block 23.

Specifically, the bottom end of the first fixing block 22 is fixedly connected with a plurality of inserting rods 24, the upper end of the second fixing block 23 is provided with a plurality of slots 25 matched with the inserting rods 24, the bottom ends of the inserting rods 24 are movably inserted into the slots 25 respectively, and the stability of the first fixing block 22 and the second fixing block 23 during opposite movement is ensured through the cooperation of the inserting rods 24 and the slots 25.

Specifically, the outside fixedly connected with a plurality of flabellum 15 of bull stick 13 lower extreme, a plurality of flabellums 15 all are located filter frame 16 bottom, and a plurality of flabellum 15 horizontal height all is greater than a plurality of outlet duct 95 top horizontal height, cuts the bubble through a plurality of pivoted flabellum 15 to produce a large amount of less bubbles, and then rise less debris in with sewage through the bubble.

When the filter is used, sewage enters the box body 1 through the main pipe 3 and the two branch pipes 4, the two branch pipes 4 are respectively corresponding to the two filter screens 11, so that the utilization rate of the filter screens 11 is improved, larger impurities in the sewage are filtered through the filter screens 11, meanwhile, excessive accumulation of the impurities on one part of the upper ends of the filter screens 11 is prevented, the sewage filtered through the filter screens 11 enters the tank body 12, the air compressor 91 conveys compressed air to the bottom of the tank body 12 through the air outlet pipes 95, so that a large number of bubbles are generated, the motor 17 drives the plurality of fan blades 15 to rotate through the rotating rods 13, the bubbles are cut through the plurality of rotating fan blades 15, a large number of smaller bubbles are generated, when the bubbles rise, the smaller impurities in the sewage are attached to the bubbles and rise to the water surface along with the bubbles to form scum, after the filtered sewage is discharged, the scum is concentrated on the filter frame 16, the limit block 82 is overturned, the limit block 82 is twisted on the torsion spring 84 when the limit block 82 rotates around the rotating shaft 83, the limit block 28 on the locating column 27 is completely separated from the limit block 16, and the filter frame 16 can be conveniently and completely removed from the filter frame 16; the rotating rod 13 drives the reciprocating screw rod 53 to rotate through the meshed first bevel gear 14 and the meshed second bevel gear 51 when rotating, so that the moving plate 54 moves back and forth along the reciprocating screw rod 53 repeatedly, the rotating column 19 is driven to rotate back and forth through the meshed first teeth 55 and second teeth 20, the cleaning brush 61 is driven to overturn back and forth through the connecting block 21 and the adjusting mechanism 7 when the rotating column 19 rotates back and forth, the cleaning brush 61 in an initial state is in a vertical state with the filter screen 11, the spring 65 is in a compressed state, the cleaning brush 61 is always attached to the upper end of the filter screen 11 through the acting force of the spring 65 in the overturning process of the cleaning brush 61, and therefore the cleaning effect on sundries on the filter screen 11 is guaranteed, when the bottom end of the cleaning brush 61 cannot be contacted with the upper end of the filter screen 11 due to abrasion, the mounting cylinder 72 is rotated, the two side blocks 71 are gradually far away, so that the first fixed block 22 is far away from the second fixed block 23, the cleaning brush 61 is further enabled to move downwards to contact with the filter screen 11, the cleaning brush 61 is guaranteed to be in a vertical state with the filter screen 11, sundries in sewage are separated in multiple stages, and the sewage is prevented from being stacked on the filter screen 11 due to the fact that the sundries are accumulated on the filter screen 11.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing examples, and that the foregoing description and description are merely illustrative of the principles of this invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides an environment-friendly multistage sewage treatment plant, includes box (1), its characterized in that: the filter tank is characterized in that a tank body (12) is fixedly connected in the tank body (1), a filter frame (16) is arranged in the tank body (12), corner blocks (26) are fixedly connected to two sides of the upper end of the filter frame (16), positioning columns (27) are vertically and fixedly arranged on two sides of the upper end of the tank body (12), limiting grooves (28) are formed in the upper ends of the two positioning columns (27), limiting mechanisms (8) are respectively arranged at positions, corresponding to the two corner blocks (26), of the two sides of the upper end of the filter frame (16), one side of each limiting mechanism (8) corresponds to the two limiting grooves (28), a drain pipe (18) is fixedly connected to one side of the bottom end of the tank body (12), an aeration mechanism (9) is arranged at the bottom end of the tank body (12), a motor (17) is fixedly connected to the center position of the bottom end of the tank body (12), a rotating rod (13) is fixedly connected to the output end of the motor (17), one side of the rotating rod (13) is movably sleeved with the filter frame (16), and the top end of the rotating rod (13) is fixedly connected with a first gear (14); the utility model discloses a cleaning device, including box (1) and cleaning mechanism, box (1) is fixed connection, baffle (2) are fixedly connected with in the box, baffle (2) are located cell body (12) top, bull stick (13) rotate with baffle (2) to be connected, be equipped with two through-openings (10) on baffle (2), two equal fixedly connected with filter screen (11) of through-openings (10), two filter screen (11) top all is equipped with drive mechanism (5), two drive mechanism (5) are located bull stick (13) upper end both sides respectively, two drive mechanism (5) bottom all is equipped with revolving post (19), two revolving post (19) all rotate with box (1) inner wall to be connected, two revolving post (19) upper end outside is equipped with second tooth (20), two revolving post (19) bottom all fixedly connected with connecting block (21), two connecting block (21) bottom all are fixedly connected with first fixed block (22), two first fixed block (22) all are equipped with second fixed block (23) under the filter screen (11), two respectively two fixed block (23) are equipped with two fixed block (23) and two corresponding to be equipped with two filter screen (23) respectively between two fixed block (23) and two bottom (6) respectively and two fixed block (23) are equipped with two fixed block (23), the novel filter is characterized in that a main pipe (3) is arranged at the upper end of the box body (1), branch pipes (4) are fixedly communicated with two sides of the bottom end of the main pipe (3), and two bottom ends of the branch pipes (4) are inserted into the box body (1) and correspond to two filter screens (11).

2. The environmentally friendly multistage sewage treatment device according to claim 1, wherein: aeration equipment (9) are including air compressor machine (91), intake pipe (92), filter element (93), shunt tubes (94), a plurality of outlet duct (95) and a plurality of check valve (96), air compressor machine (91) fixedly connected with intake pipe (92) on box (1) diapire, intake pipe (92) one end stretches out box (1), intake pipe (92) are located the inside fixedly connected with filter element (93) of the one end outside box (1), air compressor machine (91) air outlet end fixedly connected with shunt tubes (94), shunt tubes (94) upper end fixedly connected with a plurality of outlet duct (95), a plurality of outlet duct (95) upper end all insert and establish in cell body (12), a plurality of inside equal fixedly connected with check valve (96) of outlet duct (95).

3. The environmentally friendly multistage sewage treatment device according to claim 1, wherein: two stop gear (8) all include concave piece (81), stopper (82), pivot (83) and two torsional springs (84), concave piece (81) fixed connection is in filter frame (16) upper end one side, concave piece (81) notch internal rotation is connected with pivot (83), stopper (82) one end is fixed cup jointing with pivot (83), stopper (82) other end is laminated with spacing groove (28) mutually, equal fixedly connected with torsional spring (84) between stopper (82) both sides and concave piece (81) notch both sides wall, two torsional spring (84) are all overlapped and are established in pivot (83) periphery.

4. The environmentally friendly multistage sewage treatment device according to claim 1, wherein: the two driving mechanisms (5) comprise a second bevel gear (51), two connecting rods (52), a reciprocating screw rod (53), a moving plate (54), first teeth (55) and a guide rod (56), wherein the reciprocating screw rod (53) is fixedly connected between the connecting rods (52), one connecting rod (52) is rotationally connected with the inner wall of the box body (1), the other connecting rod (52) is fixedly connected with the second bevel gear (51), the second bevel gear (51) is meshed with the first bevel gear (14), the moving plate (54) is connected with the reciprocating screw rod (53) in a threaded mode, the first teeth (55) are arranged at the bottom end of the moving plate (54), the first teeth (55) are meshed with the second teeth (20), the guide rod (56) is fixedly connected to the inner wall of the box body (1), and the moving plate (54) is movably sleeved with the guide rod (56).

5. The environmentally friendly multistage sewage treatment device according to claim 1, wherein: two clearance mechanism (6) all include cleaning brush (61), installation piece (62), installation pole (63), mounting groove (64) and spring (65), installation piece (62) bottom fixedly connected with cleaning brush (61), cleaning brush (61) bottom is closely laminated with filter screen (11) upper end, installation piece (62) upper end is equipped with mounting groove (64), installation pole (63) upper end fixed connection is in second fixed block (23) bottom, installation pole (63) bottom activity is inserted and is established in mounting groove (64), installation pole (63) and mounting groove (64) looks adaptation, spring (65) fixed connection is between second fixed block (23) and installation piece (62), spring (65) cover are established in installation pole (63) periphery.

6. The environmentally friendly multistage sewage treatment device according to claim 1, wherein: four adjustment mechanism (7) all include two side blocks (71), mounting cylinder (72), thread groove (73), bolt (74), two clamp splice (75), four fixture blocks (76) and four draw-in grooves (77), two clamp splice (75) are located first fixed block (22) and second fixed block (23) outside respectively, two clamp splice (75) all are established to concave shape, two clamp splice (75) notch end all fixedly connected with two fixture blocks (76), first fixed block (22) and second fixed block (23) outside all are equipped with draw-in groove (77) with fixture block (76) looks adaptation, four fixture blocks (76) are movably inserted respectively and are established in four draw-in grooves (77), two clamp splice (75) outside all fixedly connected with side block (71), two side block (71) opposite sides are equipped with mounting cylinder (72) and bolt (74) respectively, mounting cylinder (72) and corresponding side block (71) are rotated, side block (74) are equipped with corresponding bolt (74) and thread groove (73), be close to one end screw thread (73).

7. The environmentally friendly multistage sewage treatment device according to claim 1, wherein: the utility model discloses a fixed block, including a fixed block, a plurality of inserted bars (24) are connected with in fixed block (22) bottom fixedly, second fixed block (23) upper end is equipped with a plurality of slot (25) with inserted bar (24) looks adaptation, a plurality of inserted bar (24) bottom is movable respectively to be inserted in a plurality of slot (25).

8. The environmentally friendly multistage sewage treatment device according to claim 1, wherein: the outside fixedly connected with a plurality of flabellum (15) of bull stick (13) lower extreme, a plurality of flabellum (15) all are located filter frame (16) bottom, a plurality of flabellum (15) horizontal height all is greater than a plurality of outlet duct (95) top horizontal height.