CN210993275U

CN210993275U - Dross clearing device for sewage treatment

Info

Publication number: CN210993275U
Application number: CN201921873444.0U
Authority: CN
Inventors: 尹国兴
Original assignee: Jiangsu Yuansheng Environmental Protection Equipment Co ltd
Current assignee: Jiangsu Yuansheng Environmental Protection Equipment Co ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-07-14
Anticipated expiration: 2029-11-01

Abstract

The utility model discloses a dross clearing device for sewage treatment belongs to sewage treatment technical field, including sewage treatment pond, promotion subassembly, removal subassembly and slagging-off subassembly, it includes the promotion piece that slagging-off otter board and two structures are the same, two to promote the subassembly the setting of a symmetry is on two lateral walls in sewage treatment pond, the slagging-off otter board sets up in the sewage treatment pond, the output fixed connection of slagging-off otter board and two promotion pieces, it includes moving member and jet-propelled piece to remove the subassembly, the moving member erects at the top in sewage treatment pond, and jet-propelled piece sets up on the removal of moving member is served, and the slagging-off subassembly sets up on the sewage treatment pond, slagging-off subassembly and sewage treatment pond normal running fit. The utility model discloses a dross in a plurality of air nozzles blowout high-pressure gas to the net hole of slagging-off otter board is cleared up and the slagging-off operation, and a plurality of air nozzles rotate and to ensure that the dross in the net hole of slagging-off otter board is cleared up totally, can not leave remaining.

Description

Dross clearing device for sewage treatment

Technical Field

The utility model belongs to the technical field of sewage treatment technique and specifically relates to a dross clearing device for sewage treatment is related to.

Background

The sewage is purified to reach the water quality requirement of being discharged into a certain water body or being reused. Sewage treatment is widely applied to various fields such as building, agriculture, traffic, energy, petrochemical industry, environmental protection, urban landscape, medical treatment, food and beverage, and the device for removing the scum and the sludge collection edge of the sewage treatment tank belongs to sewage treatment equipment, and is industrial equipment capable of effectively treating domestic sewage, industrial wastewater and the like in urban areas.

For example, patent publication No. CN208500415U relates to a scum removal device through accelerated aeration for sewage treatment, which comprises an aeration tank and a scum removal device through accelerated aeration, wherein the scum removal device through accelerated aeration consists of a support frame, a slide block, a filter sieve, spiral teeth, a support rod, a support slideway and a motor; the two sides of the aeration tank are provided with slideways, the slideways are internally provided with sliding blocks, the tops of the sliding blocks are fixed with the support frame through spiral connection, the support frame is sequentially provided with spiral teeth and the filter sieve from front to back, the spiral teeth are welded and fixed with the support frame through the support rods, the filter sieve is fixed with the support frame through the support slideways, the filter sieve is provided with at least one, and the tail end of each slideway is provided with the motor. The utility model discloses an aeration process in the aeration tank has accelerated, and can clear away the dross effectively, and the work efficiency has been improved greatly to the environmental protection. However, the above-mentioned devices also have the following problems in use: when clearing away the dross, can remain the dross in the slagging-off otter board mesh opening, the dross accumulation is too much will influence the effect that the slagging-off otter board was clear away to the dross, needs clear up the dross in the slagging-off otter board mesh opening.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dross clearing device for sewage treatment to can not remove the technical problem that the dross can be remained in the otter board internet access and clear up among the solution prior art.

The utility model provides a dross clearing device for sewage treatment, including sewage treatment pond, promotion subassembly, removal subassembly and slagging-off subassembly, the sewage treatment pond is vertical setting, it includes the slagging-off otter board and two promotion pieces that the structure is the same, two to promote the subassembly symmetry setting on two lateral walls in sewage treatment pond, the slagging-off otter board sets up in the sewage treatment pond and with sewage treatment pond sliding fit, the output fixed connection of slagging-off otter board and two promotion pieces, it includes moving member and jet-propelled piece to remove the subassembly, the top at the sewage treatment pond is erect to the moving member, jet-propelled piece sets up on the removal of moving member is served, the slagging-off subassembly sets up on the sewage treatment pond, slagging-off subassembly and sewage treatment pond normal running fit.

Further, the lifting piece comprises a lifting motor, a driving shaft, two first rotating seats and two second rotating seats, the lifting motors are arranged on the side wall of the sewage treatment tank, the two first rotating seats are symmetrically arranged on the side wall of the sewage treatment tank and are positioned at the side of the lifting motors, each first rotating seat is provided with a first rotating wheel which is rotationally connected with the first rotating seat, the drive shaft sets up on two first rotation wheels, the one end of drive shaft and the output shaft fixed connection who promotes the motor, two the second rotates the seat symmetry and sets up at the top in sewage treatment pond and two seconds and rotates the seat and correspond two first rotation seat settings, every all be equipped with on the second rotates the seat rather than rotate the second of being connected and rotate the wheel, every all be equipped with on the first rotation wheel and rotate the lifting rope that the wheel transmission is connected with the second, every the tip of lifting rope all with slagging-off otter board fixed connection.

Further, the moving member includes movable plate, two mounting brackets, two transmission lead screws and two traveling motors, two the mounting bracket symmetry sets up at the top in sewage treatment pond, two transmission lead screw symmetry sets up on two mounting brackets and two transmission lead screw's both ends rotate with two mounting brackets respectively and are connected, two the traveling motor symmetry sets up on the lateral wall of one of them mounting bracket, two the output shaft of traveling motor respectively with the one end fixed connection of two transmission lead screws, the movable plate sets up on two transmission lead screws and with two transmission lead screw threaded connection, be equipped with two screw holes opposite with transmission lead screw thread on the movable plate, be equipped with the board that strikes off that is vertical setting on the movable plate, strike off the top of board and the bottom fixed connection of movable plate.

Further, the air injection piece comprises a rotating frame, a rotating shaft, a rotating motor, a first gear, a connecting pipe, two mounting seats and a plurality of air injection nozzles, wherein the two mounting seats are symmetrically arranged at the bottom of the moving plate, two ends of the rotating shaft are respectively arranged on the two mounting seats and are rotationally connected with the two mounting seats, the bottom of the moving plate is provided with a mounting groove, the rotating motor is fixedly arranged on the side wall of the mounting groove, the first gear is arranged on an output shaft of the rotating motor, the rotating shaft is provided with a second gear meshed with the first gear, the rotating frame is fixedly arranged on the rotating shaft, the plurality of air nozzles are arranged on the rotating frame at equal intervals, the output ends of the plurality of air nozzles are all arranged towards the sewage treatment tank, the connecting pipe is communicated with the plurality of air nozzles, and an air inlet pipe communicated with the connecting pipe is arranged on the connecting pipe.

Further, the slagging-off subassembly includes that two symmetries set up the slagging-off piece at sewage treatment pond top, be equipped with two on the sewage treatment pond and rotate the groove, every the slagging-off piece all includes slagging-off motor and rotation cam, the slagging-off motor sets up at the top in sewage treatment pond and the vertical downward setting of output shaft of slagging-off motor, rotate the cam setting on the output shaft of slagging-off motor, it is at the rotation inslot rotation to rotate the cam.

Further, the slagging-off subassembly still includes three vibrations spring and three collision plectane, be equipped with fixed sliding tray on the lateral wall in sewage treatment pond, it is three the equidistant setting of one end of vibrations spring is in the sliding tray, every the vibrations spring all with the cell wall fixed connection of sliding tray, it is three the collision plectane sets up respectively on three vibrations spring, every the collision plectane all adopts flexible material to make.

Compared with the prior art, the beneficial effects of the utility model reside in that:

one of which, the utility model discloses on the high-pressure gas of well slagging-off passes through the intake pipe and gets into the connecting pipe, the connecting pipe will be gaseous to be carried on a plurality of air nozzles, a plurality of air nozzles carry high-pressure gas to the slagging-off otter board on, it drives first gear revolve to rotate motor work, first gear revolve drives two gear revolve, the second gear revolve rotates and drives the axis of rotation and rotate on two mount pads, thereby the axis of rotation rotates and drives the rolling stand and rotate and drive a plurality of air nozzles, a plurality of air nozzles blowout high-pressure gas clear up and the slagging-off operation to the dross in the slagging-off otter board nethole, a plurality of air nozzles rotate and can ensure that the dross in the slagging-off otter board.

And secondly, the utility model discloses at the in-process of cleaing away, the work of slagging-off motor drives and rotates the cam and rotate, rotates the cam and rotates and bump the slagging-off otter board, causes the vibration of slagging-off otter board, and the scum clearance on the mesh gets off on the otter board that will slag removal.

Thirdly, the utility model discloses when slagging-off the dross, promote motor work and drive the drive shaft and rotate, the drive shaft rotates and drives two first rotation wheels and rotate respectively on two first rotation seats, two first rotation wheels rotate and drive two lifting ropes and rotate, two lifting ropes rotate and drive two second rotation wheels and rotate on two second rotation seats, two lifting ropes rotate and drive the slagging-off net rebound, the slagging-off net rebound is cleared up the floated dross on the sewage, the removal of slagging-off otter board can be cleared up the dross on the arbitrary water level in the sewage treatment pond.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of a partial three-dimensional structure of the present invention;

fig. 3 is a schematic perspective view of the moving assembly of the present invention;

fig. 4 is a schematic perspective view of the air injection member of the present invention.

Reference numerals:

the sewage treatment tank 1, the rotating groove 11, the sliding groove 12, the lifting component 2, the deslagging screen plate 21, the lifting piece 22, the lifting motor 221, the driving shaft 222, the first rotating seat 223, the first rotating wheel 2231, the second rotating seat 224, the second rotating wheel 225, the lifting rope 226, the moving component 3, the moving piece 31, the moving plate 311, the mounting frame 312, the transmission screw 313, the moving motor 314, the scraping plate 315, the air injection piece 32, the rotating frame 321, the rotating shaft 322, the rotating motor 323, the first gear 324, the connecting pipe 325, the mounting seat 326, the air nozzle 327, the second gear 328, the air inlet pipe 329, the deslagging component 4, the deslagging piece 41, the deslagging motor 411, the rotating cam 412, the vibrating spring 413 and the collision circular plate 414.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.

The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, an embodiment of the present invention provides a scum removing apparatus for sewage treatment, including a sewage treatment tank 1, a lifting assembly 2, a moving assembly 3 and a scum removing assembly 4, wherein the sewage treatment tank 1 is vertically disposed, the lifting assembly 2 includes a scum screen 21 and two lifting members 22 having the same structure, the two lifting members 22 are symmetrically disposed on two side walls of the sewage treatment tank 1, the scum screen 21 is disposed in the sewage treatment tank 1 and is in sliding fit with the sewage treatment tank 1, the scum screen 21 is fixedly connected with output ends of the two lifting members 22, the moving assembly 3 includes a moving member 31 and an air jet member 32, the moving member 31 is disposed on a top of the sewage treatment tank 1, the air jet member 32 is disposed on a moving end of the moving member 31, the scum removing assembly 4 is disposed on the sewage treatment tank 1, the deslagging assembly 4 is in running fit with the sewage treatment tank 1.

Specifically, the lifting member 22 includes a lifting motor 221, a driving shaft 222, two first rotating seats 223 and two second rotating seats 224, the lifting motor 221 is disposed on the sidewall of the sewage treatment tank 1, two first rotating seats 223 are symmetrically disposed on the sidewall of the sewage treatment tank 1 and located beside the lifting motor 221, each first rotating seat 223 is provided with a first rotating wheel 2231 connected with the rotation thereof, the driving shaft 222 is disposed on two first rotating wheels 2231, one end of the driving shaft 222 is fixedly connected with the output shaft of the lifting motor 221, two second rotating seats 224 are symmetrically disposed on the top of the sewage treatment tank 1 and two second rotating seats 224 correspond to two first rotating seats 223, each second rotating seat 224 is provided with a second rotating wheel 225 connected with the second rotating seat 224, each first rotating wheel 2231 is provided with a lifting rope 226 connected with the second rotating wheel 225 in a transmission manner, the end part of each lifting rope 226 is fixedly connected with the deslagging screen 21; two second rotating wheels 225 play a role in drawing and guiding two lifting ropes 226 in the process of rotating the lifting ropes 226, when scum is removed, the lifting motor 221 works to drive the driving shaft 222 to rotate, the driving shaft 222 rotates to drive the two first rotating wheels 2231 to rotate on the two first rotating seats 223 respectively, the two first rotating wheels 2231 rotate to drive the two lifting ropes 226 to rotate, the two lifting ropes 226 rotate to drive the two second rotating wheels 225 to rotate on the two second rotating seats 224, the two lifting ropes 226 rotate to drive the scum screen plate 21 to move upwards, the scum screen plate 21 moves upwards to clean the scum floating on the sewage, and the scum screen plate 21 can be moved to clean the scum on any water level in the sewage treatment tank 1.

Specifically, the moving member 31 includes a moving plate 311, two mounting brackets 312, two transmission screw rods 313 and two moving motors 314, the two mounting brackets 312 are symmetrically disposed at the top of the sewage treatment tank 1, the two transmission screw rods 313 are symmetrically disposed on the two mounting brackets 312, two ends of the two transmission screw rods 313 are respectively rotatably connected with the two mounting brackets 312, the two moving motors 314 are symmetrically disposed on a side wall of one of the mounting brackets 312, output shafts of the two moving motors 314 are respectively fixedly connected with one ends of the two transmission screw rods 313, the moving plate 311 is arranged on the two driving screws 313 and is in threaded connection with the two driving screws 313, the movable plate 311 is provided with two threaded holes with threads opposite to those of the transmission screw rod 313, the movable plate 311 is provided with a scraping plate 315 which is vertically arranged, and the top of the scraping plate 315 is fixedly connected with the bottom of the movable plate 311; the two moving motors 314 work to drive the two transmission screw rods 313 to rotate on the two mounting frames 312, the two transmission screw rods 313 rotate to drive the moving plate 311 to move on the two transmission screw rods 313, the moving plate 311 moves to drive the scraping plate 315 to move, the scraping plate 315 moves to remove scum on the scum removing screen 21, the scum is moved to one end of the scum removing screen 21, and the scum is collected after the scum is removed.

Specifically, gas injection piece 32 includes rotating turret 321, axis of rotation 322, rotation motor 323, first gear 324, connecting pipe 325, two mount pads 326 and a plurality of air nozzle 327, two mount pads 326 symmetry sets up the bottom at moving plate 311, the both ends of axis of rotation 322 set up respectively on two mount pads 326 and rotate with two mount pads 326 and be connected, the bottom of moving plate 311 is equipped with the mounting groove, rotation motor 323 is fixed to be set up on the lateral wall of mounting groove, first gear 324 sets up on the output shaft of rotation motor 323, be equipped with the second gear 328 with first gear 324 meshing on axis of rotation 322, rotating turret 321 is fixed to be set up on axis of rotation 322, and is a plurality of air nozzle 327 equidistant setting is on rotating turret 321, and is a plurality of air nozzle 327's output all sets up towards sewage treatment pond 1, connecting pipe 325 is linked together with a plurality of air nozzle 327, an air inlet pipe 329 communicated with the connecting pipe 325 is arranged on the connecting pipe; when scum is cleaned, scum is remained in the mesh holes of the scum screen plate 21, the scum is accumulated too much to influence the effect of the scum screen plate 21 on scum cleaning, high-pressure gas for scum cleaning enters the connecting pipe 325 through the air inlet pipe 329, the connecting pipe 325 conveys the gas to the plurality of air nozzles 327, the plurality of air nozzles 327 convey the high-pressure gas to the scum screen plate 21, the rotating motor 323 works to drive the first gear 324 to rotate, the first gear 324 rotates to drive the second gear to rotate, the second gear 328 rotates to drive the rotating shaft 322 to rotate on the two mounting seats 326, the rotating shaft 322 rotates to drive the rotating frame 321 to rotate so as to drive the plurality of air nozzles 327 to rotate, the scum in the mesh holes of the scum screen plate 21 is cleaned and cleaned by the high-pressure gas sprayed by the plurality of air nozzles 327, the scum in the mesh holes of the scum screen plate 21 can be cleaned up by the, no residue is left.

Specifically, the deslagging assembly 4 comprises two deslagging parts 41 symmetrically arranged at the top of the sewage treatment tank 1, two rotating grooves 11 are arranged on the sewage treatment tank 1, each deslagging part 41 comprises a deslagging motor 411 and a rotating cam 412, the deslagging motor 411 is arranged at the top of the sewage treatment tank 1, an output shaft of the deslagging motor 411 is vertically arranged downwards, the rotating cam 412 is arranged on an output shaft of the deslagging motor 411, and the rotating cam 412 rotates in the rotating grooves 11; in the cleaning process, the slag removing motor 411 works to drive the rotating cam 412 to rotate, the rotating cam 412 rotates to collide the slag removing screen plate 21, so that the slag removing screen plate 21 vibrates, and floating slag on meshes of the slag removing screen plate 21 is cleaned.

Specifically, the slag removal assembly 4 further comprises three vibration springs 413 and three collision circular plates 414, a fixed sliding groove 12 is formed in the side wall of the sewage treatment tank 1, one ends of the three vibration springs 413 are arranged in the sliding groove 12 at equal intervals, each vibration spring 413 is fixedly connected with the groove wall of the sliding groove 12, the three collision circular plates 414 are respectively arranged on the three vibration springs 413, and each collision circular plate 414 is made of a flexible material; in the vibration process of the deslagging screen plate 21, the three collision circular plates 414 collide, the three collision circular plates 414 move to drive the three vibration springs 413 to move to buffer the vibration of the deslagging screen plate 21, and the collision circular plates 414 made of flexible materials can prevent the deslagging screen plate 21 from being damaged in the vibration process.

The utility model discloses a theory of operation: when the utility model is used, when scum is removed, the lifting motor 221 works to drive the driving shaft 222 to rotate, the driving shaft 222 rotates to drive the two first rotating wheels 2231 to rotate on the two first rotating seats 223 respectively, the two first rotating wheels 2231 rotate to drive the two lifting ropes 226 to rotate, the two lifting ropes 226 rotate to drive the two second rotating wheels 225 to rotate on the two second rotating seats 224, the two lifting ropes 226 rotate to drive the scum screen plate 21 to move upwards, the scum screen plate 21 moves upwards to clean scum floating on sewage, the two moving motors 314 work to drive the two transmission screw rods 313 to rotate on the two mounting frames 312, the two transmission screw rods 313 rotate to drive the moving plate 311 to move on the two transmission screw rods 313, the moving plate 311 moves to drive the scraping plate 315 to move, the scraping plate 315 moves to clean scum on the scum screen plate 21, the scum is moved to one end of the scum screen plate 21, scum is collected after being cleaned, high-pressure gas for removing slag enters a connecting pipe 325 through an air inlet pipe 329, the connecting pipe 325 conveys the gas to a plurality of air nozzles 327, the plurality of air nozzles 327 convey the high-pressure gas to a slag removing screen plate 21 for cleaning the slag removing screen plate 21, a rotating motor 323 works to drive a first gear 324 to rotate, the first gear 324 rotates to drive two gears to rotate, a second gear 328 rotates to drive a rotating shaft 322 to rotate on two mounting seats 326, the rotating shaft 322 rotates to drive a rotating frame 321 to rotate so as to drive a plurality of air nozzles 327 to rotate, the plurality of air nozzles 327 eject the high-pressure gas to clean and remove slag from the scum in the mesh holes of the slag removing screen plate 21, the rotation of the plurality of air nozzles 327 can ensure that the scum in the mesh holes of the slag removing screen plate 21 is cleaned, no residue is left, the slag removing motor 411 works to drive a rotating cam 412 to rotate, the rotating cam 412 rotates, causing the vibration of the deslagging screen 21 and cleaning the floating slag on the mesh of the deslagging screen 21.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a dross clearing device for sewage treatment which characterized in that: comprises a sewage treatment pool (1), a lifting component (2), a moving component (3) and a deslagging component (4), wherein the sewage treatment pool (1) is vertically arranged, the lifting component (2) comprises a deslagging screen plate (21) and two lifting parts (22) with the same structure, the two lifting parts (22) are symmetrically arranged on two side walls of the sewage treatment pool (1), the deslagging screen plate (21) is arranged in the sewage treatment pool (1) and is in sliding fit with the sewage treatment pool (1), the deslagging screen plate (21) is fixedly connected with output ends of the two lifting parts (22), the moving component (3) comprises a moving part (31) and an air spraying part (32), the moving part (31) is erected at the top of the sewage treatment pool (1), the air spraying part (32) is arranged at the moving end of the moving part (31), and the deslagging component (4) is arranged on the sewage treatment pool (1), the deslagging assembly (4) is in running fit with the sewage treatment tank (1).

2. The scum removing apparatus for sewage treatment as defined in claim 1, wherein: the lifting piece (22) comprises a lifting motor (221), a driving shaft (222), two first rotating seats (223) and two second rotating seats (224), the lifting motor (221) is arranged on the side wall of the sewage treatment pool (1), the first rotating seats (223) are symmetrically arranged on the side wall of the sewage treatment pool (1) and located on the side of the lifting motor (221), each first rotating seat (223) is provided with a first rotating wheel (2231) connected with the first rotating seat in a rotating mode, the driving shaft (222) is arranged on the two first rotating wheels (2231), one end of the driving shaft (222) is fixedly connected with an output shaft of the lifting motor (221), the second rotating seats (224) are symmetrically arranged on the top of the sewage treatment pool (1) and the two second rotating seats (224) correspond to the two first rotating seats (223), and each second rotating seat (224) is provided with a second rotating wheel (225) connected with the second rotating seat in a rotating mode, each first rotating wheel (2231) is provided with a lifting rope (226) in transmission connection with the second rotating wheel (225), and the end part of each lifting rope (226) is fixedly connected with the deslagging screen plate (21).

3. The scum removing apparatus for sewage treatment as defined in claim 1, wherein: the moving piece (31) comprises a moving plate (311), two mounting frames (312), two transmission screw rods (313) and two moving motors (314), the two mounting frames (312) are symmetrically arranged at the top of the sewage treatment pool (1), the two transmission screw rods (313) are symmetrically arranged on the two mounting frames (312), two ends of the two transmission screw rods (313) are respectively rotatably connected with the two mounting frames (312), the two moving motors (314) are symmetrically arranged on the side wall of one of the mounting frames (312), output shafts of the two moving motors (314) are respectively fixedly connected with one ends of the two transmission screw rods (313), the moving plate (311) is arranged on the two transmission screw rods (313) and is in threaded connection with the two transmission screw rods (313), two threaded holes with threads opposite to those of the transmission screw rods (313) are formed in the moving plate (311), the movable plate (311) is provided with a scraping plate (315) which is vertically arranged, and the top of the scraping plate (315) is fixedly connected with the bottom of the movable plate (311).

4. The scum removing apparatus for sewage treatment as defined in claim 3, wherein: the gas injection piece (32) comprises a rotating frame (321), a rotating shaft (322), a rotating motor (323), a first gear (324), a connecting pipe (325), two mounting seats (326) and a plurality of gas nozzles (327), wherein the mounting seats (326) are symmetrically arranged at the bottom of the moving plate (311), two ends of the rotating shaft (322) are respectively arranged on the two mounting seats (326) and are rotationally connected with the two mounting seats (326), the bottom of the moving plate (311) is provided with a mounting groove, the rotating motor (323) is fixedly arranged on the side wall of the mounting groove, the first gear (324) is arranged on an output shaft of the rotating motor (323), a second gear (328) meshed with the first gear (324) is arranged on the rotating shaft (322), the rotating frame (321) is fixedly arranged on the rotating shaft (322), and the gas nozzles (327) are equidistantly arranged on the rotating frame (321), a plurality of the output of air nozzle (327) all sets up towards sewage treatment pond (1), connecting pipe (325) are linked together with a plurality of air nozzle (327), be equipped with intake pipe (329) rather than being linked together on connecting pipe (325).

5. The scum removing apparatus for sewage treatment as defined in claim 1, wherein: deslagging assembly (4) includes that two symmetries set up deslagging member (41) at sewage treatment pond (1) top, be equipped with two on sewage treatment pond (1) and rotate groove (11), every deslagging member (41) all include deslagging motor (411) and rotation cam (412), deslagging motor (411) set up at the top of sewage treatment pond (1) and the vertical downward setting of output shaft of deslagging motor (411), rotation cam (412) set up on the output shaft of deslagging motor (411), rotation cam (412) are rotating groove (11) internal rotation.

6. The scum removing apparatus for sewage treatment as defined in claim 1, wherein: deslagging assembly (4) still includes three vibrations spring (413) and three collision plectane (414), be equipped with fixed sliding tray (12) on the lateral wall of sewage treatment pond (1), it is three the equidistant setting in sliding tray (12) of one end of vibrations spring (413), every vibrations spring (413) all with the cell wall fixed connection of sliding tray (12), it is three collision plectane (414) set up respectively on three vibrations spring (413), every collision plectane (414) all adopt flexible material to make.