CN114870500A

CN114870500A - Aeration sand setting sewage treatment device and treatment method

Info

Publication number: CN114870500A
Application number: CN202210675977.8A
Authority: CN
Inventors: 王杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2022-08-09

Abstract

The invention discloses an aeration sand setting sewage treatment device and a treatment method, which relate to the technical field of sewage treatment and comprise a tank body and a sand pump, wherein the upper side of the tank body is provided with a removing mechanism for scraping suspended matters on the surface of sewage, collecting and discharging the suspended matters, and the tank body is provided with a water inlet opening and closing mechanism for controlling the opening and closing of a water inlet; the tank body is provided with a filtering and cleaning mechanism for filtering sewage and cleaning a filter screen; the pool body is provided with a collecting mechanism for collecting impurities such as gravel, suspended matters and the like; the water inlet opening and closing mechanism, the filtering and cleaning mechanism and the collecting mechanism are linked, and the rotary scraping impeller can scrape suspended matters on the water surface in the pool body in an all-round and efficient manner through the arranged removing mechanism, and the pushing plate is linked to push the suspended matters into the collecting cylinder to be collected, so that all-round suspended matter scraping and collecting integrated operation is realized.

Description

Aeration sand setting sewage treatment device and treatment method

Technical Field

The invention relates to the technical field of sewage treatment, in particular to an aeration sand setting sewage treatment device and a treatment method.

Background

With the continuous progress of social civilization, people's environmental awareness is increasingly strengthened, and more attention is paid to urban sewage treatment. In the wastewater treatment of the municipal sewage treatment plant, because sewage contains a large amount of sand, if gravel can not be effectively removed, the blockage of a sewage outlet pipeline and the abrasion of equipment can be caused, and the service life of the equipment and the effluent quality of the sewage treatment are further influenced. The aeration grit chamber is used as an important sand removing process, and has very important significance for researching the operation effect and technical transformation of the aeration grit chamber.

The aeration grit chamber is a long channel, a sand collecting hopper is arranged at the lower part of the aeration grit chamber, the bottom of the aeration grit chamber is provided with a slope to ensure that sand grains slide in, organic particles in waste water are always in a suspension state due to the aeration effect, the sand grains rub against each other and bear the shearing force of aeration, organic matters attached to the sand grains can be removed, the pure sand grains can be obtained, the sand grains with higher density are thrown to a sand collecting chamber under the action of rotational flow centrifugal force, and the organic matters with lower density flow forward along with water flow and are brought to the next treatment unit.

The prior aeration sand setting sewage treatment device has the following problems.

1. When the current treatment device is used for removing suspended matters on the water surface, the removal effect is poor, and the removal efficiency is low.

2. When the sand pump and the water outlet filter screen are blocked and need to be shut down for maintenance, the control units are scattered in position and need to be closed one by one, so that the operation is complex and the efficiency is low during maintenance.

Disclosure of Invention

Aiming at the problems, the invention provides an aeration grit sewage treatment device and a treatment method, which solve the problems of complicated operation, low efficiency, poor suspended matter removal effect and low efficiency of the conventional aeration grit sewage treatment device.

The technical scheme for solving the technical problems is as follows: an aeration sand setting sewage treatment device and a treatment method thereof comprise a tank body and a sand pump, wherein the upper side of the tank body is provided with a removing mechanism for scraping suspended matters on the surface of sewage and collecting and discharging the suspended matters, and the tank body is provided with a water inlet opening and closing mechanism for controlling the opening and closing of a water inlet; the tank body is provided with a filtering and cleaning mechanism for filtering sewage and cleaning a filter screen; the pool body is provided with a collecting mechanism for collecting impurities such as gravel, suspended matters and the like; the water inlet opening and closing mechanism, the filtering and cleaning mechanism and the collecting mechanism are linked; the removing mechanism comprises a support frame and a moving frame, a connecting frame is arranged on the upper side of the tank body, the support frame is slidably arranged on the connecting frame, a first reciprocating mechanism for driving the support frame to move is arranged on the connecting frame, the moving frame is slidably arranged on the support frame, a second reciprocating mechanism for driving the moving frame to move is arranged on the support frame, electric cylinders are arranged on two sides of the moving frame, the output ends of the two electric cylinders are connected with a same mounting plate, the mounting plate is connected with a mounting frame, collecting barrels are rotatably arranged on two sides of the mounting frame, a discharge port is formed in one side of each collecting barrel, an arc-shaped guide rod is arranged on the periphery of each collecting barrel, a first spring for keeping the collecting barrels stable is sleeved on each arc-shaped guide rod, scraping impellers matched with the collecting barrels are rotatably connected to two sides of the mounting frame, pushing plate parts are slidably arranged on two sides of the mounting frame and used for pushing suspended matters on the scraping impellers into the collecting barrels, the push plate is sleeved with a second spring for resetting, the two sides of the mounting frame are provided with linkage mechanisms for realizing linkage of scraping operation for scraping the impeller and pushing operation of the push plate, and the mounting frame is provided with a driving mechanism for driving the two linkage mechanisms to move synchronously.

Further, the linkage mechanism comprises a driving pin wheel and a first driven sheave, the driving pin wheel and the first driven sheave are rotatably mounted on the mounting frame, the first driven sheave is matched with the driving pin wheel and meshed with a notch disc of the driving pin wheel, a second driven sheave is rotatably mounted on the mounting frame and matched with a cylindrical pin of the driving pin wheel, the second driven sheave is not meshed with the notch disc of the driving pin wheel, a central shaft of the first driven sheave is scraped and connected with the impeller after penetrating through the mounting frame, a first rack is arranged on the pushing plate, a connecting shaft is rotatably mounted on the mounting frame, one end of the connecting shaft is coaxially connected with a first gear meshed with the first rack, and the other end of the connecting shaft is linked with the central shaft of the second driven sheave through a bevel gear set.

Furthermore, the driving mechanism comprises a first motor and a spur gear set, an output shaft of the first motor is coaxially connected with a central shaft of one of the driving pin wheels, and the output shaft of the first motor is linked with the other driving pin wheel through the spur gear set and the belt pulley set.

Further, the first reciprocating mechanism comprises a first lead screw and a second motor, the first lead screw is rotatably installed on the connecting frame, the first lead screw penetrates through the support frame and is in threaded connection with the support frame, the second motor is installed on the connecting frame, an output shaft of the second motor is coaxially connected with the first lead screw, the second reciprocating mechanism comprises a second lead screw and a third motor, the second lead screw is rotatably installed on the support frame, the second lead screw penetrates through the movable frame and is in threaded connection with the movable frame, the third motor is installed on the support frame, and an output shaft of the third motor is coaxially connected with the second lead screw.

Further, the inlet opening and closing mechanism includes inlet tube and flashboard, the inlet tube set up in cell body one side and with the cell body intercommunication, the flashboard runs through inlet tube and both sliding connection, be provided with the second rack on the flashboard, install the fourth motor on the inlet tube, fourth motor output shaft coaxial coupling have with second rack meshing's second gear, sliding mounting has the connecting rod spare on the link, be provided with the third rack on the connecting rod spare, fourth motor output shaft coaxial coupling have with third rack meshing's third gear.

Further, the filtering and cleaning mechanism comprises a water outlet pipe and a filter screen, the water outlet pipe is arranged on one side of the tank body, the filter screen is slidably mounted inside the water outlet pipe, one side of the filter screen penetrates through the water outlet pipe and is connected with the connecting rod piece, the two sides of the filter screen are respectively provided with a fourth rack, the two sides of the water outlet pipe are rotatably provided with a reciprocating screw rod, the two ends of the reciprocating screw rod are respectively and coaxially connected with the fourth racks on the two sides, the reciprocating screw rod is sleeved with a scraping plate piece for cleaning the filter screen, the water outlet pipe is provided with a limiting rod, the limiting rod penetrates through the scraping plate piece and is slidably connected with the scraping plate piece, the two sides of the water outlet pipe are rotatably provided with a brush rod, the brush rod is provided with a plurality of brush hairs, the two ends of the brush rod are respectively and coaxially connected with a fifth gear, the fifth gears on the two sides are respectively engaged with the fourth racks on the two sides, the brush rod is hinged with a plurality of vibrating rods, the two sides of the water outlet pipe are respectively provided with a baffle plate, the baffle is located reciprocal lead screw upside.

Further, collect the mechanism and include the collecting box and collect the box, the collecting box sets up respectively in cell body one side, sand pump input end and cell body intercommunication, sand pump output end and collecting box intercommunication, collect box slidable mounting in the collecting box, the collecting box lateral wall rotates and installs the sixth gear, collect box one side and be connected with the fifth rack with sixth gear engagement, be connected with on the connecting rod piece with sixth rack with sixth gear engagement, the cell body upside is close to collecting box one side and is provided with the seventh rack, the cover is equipped with the ring gear with seventh rack matched with on the collecting cylinder.

The invention has the beneficial effects of.

(1) According to the invention, through the arranged removing mechanism, the rotary scraping impeller can scrape suspended matters on the water surface in the pool body in an all-round and high-efficiency manner, and the pushing plate is linked to push the suspended matters into the collecting barrel to be collected, so that the all-round operation of scraping and collecting the suspended matters is realized.

(2) The invention can realize linkage of the movement of the scraping impeller and the movement of the pushing plate through the arranged linkage mechanism, and efficiently remove suspended matters.

(3) The sand pump realizes linkage by arranging the water inlet opening and closing mechanism, the filtering and cleaning mechanism and the collecting mechanism, can quickly realize integrated operation of blocking water inlet, discharging sewage, cleaning a filter screen and cleaning accumulated sand after opening the collecting mechanism when parts such as the sand pump and the like need shutdown maintenance, is efficient and quick, and is convenient for maintenance work.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the overall structure of the present invention.

Fig. 3 is a schematic view of the connecting frame structure of the present invention.

Fig. 4 is a first schematic diagram of a removing mechanism of the present invention.

FIG. 5 is a second schematic diagram of the removing mechanism of the present invention.

Fig. 6 is a third schematic view of the removing mechanism of the present invention.

Fig. 7 is a fourth schematic view of the removal mechanism of the present invention.

Fig. 8 is a fifth schematic view of the removal mechanism of the present invention.

Fig. 9 is a sixth schematic view of the removal mechanism of the present invention.

Fig. 10 is a schematic view of the structure of the mounting frame of the present invention.

Fig. 11 is a third overall structural diagram of the present invention.

Fig. 12 is an enlarged view at a in fig. 11.

Fig. 13 is a fourth overall structural diagram of the present invention.

Fig. 14 is an enlarged view at B in fig. 13.

FIG. 15 is a schematic view of the filtration cleaning mechanism of the present invention.

Fig. 16 is a schematic view of the position of the scraper member of the present invention.

FIG. 17 is a schematic view of the position of the vibration rod of the present invention.

FIG. 18 is a schematic view of the collection mechanism of the present invention.

Fig. 19 is a schematic structural view of the link member of the present invention.

Reference numerals: 1. a tank body; 2. a sand pump; 3. a removal mechanism; 31. a support frame; 32. a movable frame; 33. a connecting frame; 34. an electric cylinder; 35. mounting a plate; 36. a mounting frame; 37. a collection canister; 38. an outlet port; 39. an arc-shaped guide rod; 310. a first spring; 311. scraping the impeller; 312. pushing the plate; 313. a second spring; 4. a water inlet opening and closing mechanism; 41. a water inlet pipe; 42. a shutter plate; 43. a second rack; 44. a fourth motor; 45. a second gear; 46. a link member; 47. a third rack; 48. a third gear; 5. a filtering and cleaning mechanism; 51. a water outlet pipe; 52. a filter screen; 53. a fourth rack; 54. a reciprocating screw; 55. a fourth gear; 56. a wiper blade member; 57. a limiting rod; 58. a brush bar; 59. brushing; 510. a fifth gear; 511. a vibrating rod; 512. a baffle plate; 6. a collection mechanism; 61. a collection box; 62. a collection box; 63. a sixth gear; 64. a fifth rack; 65. a sixth rack; 66. a seventh rack; 67. a toothed ring; 7. a first reciprocating mechanism; 71. a first lead screw; 72. a second motor; 8. a second reciprocating mechanism; 81. a second lead screw; 82. a third motor; 9. a linkage mechanism; 91. a driving pin wheel; 92. a first driven sheave; 93. a second driven sheave; 94. a first rack; 95. a connecting shaft; 96. a first gear; 97. a bevel gear set; 10. a drive mechanism; 101. a first motor; 102. a spur gear set; 103. a pulley group.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1 and fig. 2, the aeration sand-settling sewage treatment device and the treatment method provided by the present embodiment include a tank body 1 and a sand pump 2, wherein a removing mechanism 3 is disposed on an upper side of the tank body 1 for scraping suspended matters on a sewage surface and collecting and discharging the suspended matters, and a water inlet opening and closing mechanism 4 is disposed on the tank body 1 for controlling opening and closing of a water inlet; the tank body 1 is provided with a filtering and cleaning mechanism 5 for filtering sewage and cleaning a filter screen 52; the pool body 1 is provided with a collecting mechanism 6 for collecting impurities such as gravel, suspended matters and the like; the water inlet opening and closing mechanism 4, the filtering and cleaning mechanism 5 and the collecting mechanism 6 are linked.

As shown in fig. 1-10, the removing mechanism 3 includes a supporting frame 31 and a moving frame 32, a connecting frame 33 is installed on the upper side of the tank body 1, the supporting frame 31 is slidably installed on the connecting frame 33, in this embodiment, the supporting frame 31 is slidably installed on the connecting frame 33 by means of a guide rod, a first reciprocating mechanism 7 for driving the supporting frame 31 to move is arranged on the connecting frame 33, the moving frame 32 is slidably installed on the supporting frame 31, a second reciprocating mechanism 8 for driving the moving frame 32 to move is arranged on the supporting frame 31, electric cylinders 34 are arranged on both sides of the moving frame 32, the output ends of the two electric cylinders 34 are connected with a same mounting plate 35, a mounting frame 36 is connected to the mounting plate 35, collecting cylinders 37 are rotatably installed on both sides of the mounting frame 36, a discharge port 38 is arranged on one side of the collecting cylinder 37, an arc-shaped guide rod 39 is arranged on the peripheral side of the collecting cylinder 37, a first spring 310 for keeping the collecting cylinders 37 stable is sleeved on the arc-shaped guide rod 39, the first spring 310 keeps the discharge port 38 of the collecting cylinder 37 upward to ensure that suspended matters collected inside the collecting cylinder do not fall down, the scraping impeller 311 matched with the collecting cylinder 37 is rotatably connected to both sides of the mounting frame 36, in this embodiment, the scraping impeller 311 is composed of a plurality of arc-shaped blades, the arc-shaped blades scrape the water surface when rotating, the pushing plate parts 312 are slidably mounted on both sides of the mounting frame 36 and used for pushing the suspended matters on the scraping impeller 311 into the collecting cylinder 37, the pushing plate parts 312 are matched with the scraping impeller 311 in shape to ensure that the pushing plate parts 312 can push the suspended matters on the arc-shaped blades when sliding, the pushing plate parts 312 are sleeved with second springs 313 for resetting the pushing plate parts, the two sides of the mounting frame 36 are respectively provided with the linkage mechanisms 9 for realizing linkage of the scraping operation of the scraping impeller 311 and the pushing operation of the pushing plate parts 312, and the driving mechanism 10 is arranged on the mounting frame 36, for driving the two linkages 9 in synchronous motion.

As shown in fig. 1 to 10, the linkage mechanism 9 includes a driving pin wheel 91 and a first driven sheave 92, the driving pin wheel 91 and the first driven sheave 92 are rotatably mounted on the mounting frame 36, the first driven sheave 92 is matched with the driving pin wheel 91, the first driven sheave 92 is engaged with a notched disc of the driving pin wheel 91, a second driven sheave 93 is rotatably mounted on the mounting frame 36, the second driven sheave 93 is matched with a cylindrical pin of the driving pin wheel 91, the second driven sheave 93 is not engaged with a notched disc of the driving pin wheel 91, a central shaft of the first driven sheave 92 penetrates through the mounting frame 36 and is connected with a scraping impeller 311, a first rack 94 is disposed on the pushing plate member 312, a connecting shaft 95 is rotatably mounted on the mounting frame 36, one end of the connecting shaft 95 is coaxially connected with a first gear 96 engaged with the first rack 94, the other end of the connecting shaft 95 is linked with a central shaft of the second driven sheave 93 through a bevel gear set 97, the driving pin wheel 91 only pokes the second driven sheave 93 to rotate through the cylindrical pin, so that the pushing plate piece 312 is pushed, and the notch disc of the driving pin wheel 91 is not in contact with the second driven sheave 93, so that the reset of the pushing plate piece 312 cannot be influenced.

As shown in fig. 4 to 8, the driving mechanism 10 includes a first motor 101 and a spur gear set 102, an output shaft of the first motor 101 is coaxially connected to a central shaft of one of the driving pin wheels 91, and an output shaft of the first motor 101 is linked to the other driving pin wheel 91 through the spur gear set 102 and the pulley set 103, where the central shaft in the present invention is a shaft connecting the driving pin wheel 91, the first driven sheave 92, the second driven sheave 93 and the mounting frame 36, and the driving pin wheel 91, the first driven sheave 92, and the second driven sheave 93 respectively rotate around their central shafts.

As shown in fig. 2 and 3, the first reciprocating mechanism 7 includes a first lead screw 71 and a second motor 72, the first lead screw 71 is rotatably mounted on the connecting frame 33, the first lead screw 71 penetrates the supporting frame 31 and is in threaded connection with the supporting frame 31, the second motor 72 is mounted on the connecting frame 33, an output shaft of the second motor 72 is coaxially connected with the first lead screw 71, the second reciprocating mechanism 8 includes a second lead screw 81 and a third motor 82, the second lead screw 81 is rotatably mounted on the supporting frame 31, the second lead screw 81 penetrates the moving frame 32 and is in threaded connection with the moving frame 32, the third motor 82 is mounted on the supporting frame 31, and an output shaft of the third motor 82 is coaxially connected with the second lead screw 81.

As shown in fig. 1, 2, 11, 12, 13, 14 and 19, the inlet opening and closing mechanism 4 includes a water inlet pipe 41 and a shutter 42, the water inlet pipe 41 is disposed on one side of the tank body 1 and is communicated with the tank body 1, the shutter 42 penetrates through the water inlet pipe 41 and is slidably connected with the same, a second rack 43 is disposed on the shutter 42, a fourth motor 44 is mounted on the water inlet pipe 41, an output shaft of the fourth motor 44 is coaxially connected with a second gear 45 engaged with the second rack 43, a connecting rod 46 is slidably mounted on the connecting frame 33, a third rack 47 is disposed on the connecting rod 46, and an output shaft of the fourth motor 44 is coaxially connected with a third gear 48 engaged with the third rack 47.

As shown in fig. 1, 2, 15, 16 and 17, the filtering and cleaning mechanism 5 includes a water outlet pipe 51 and a filter screen 52, the water outlet pipe 51 is disposed on one side of the tank body 1, the filter screen 52 is slidably mounted inside the water outlet pipe 51, one side of the filter screen 52 penetrates through the water outlet pipe 51 and then is connected with the connecting rod member 46, both sides of the filter screen 52 are provided with fourth racks 53, the fourth racks 53 are double-sided racks, both sides of the water outlet pipe 51 are rotatably mounted with reciprocating lead screws 54, both ends of the reciprocating lead screws 54 are coaxially connected with fourth gears 55, the fourth gears 55 on both sides are respectively engaged with the fourth racks 53 on both sides, the reciprocating lead screws 54 are sleeved with scraping plate members 56 for cleaning the filter screen 52, the water outlet pipe 51 is mounted with a limiting rod 57, the limiting rod 57 penetrates through the scraping plate members 56 and is slidably connected with both sides, both sides of the water outlet pipe 51 are rotatably mounted with brush rods 58, the brush rods 58 are provided with a plurality of bristles 59, both ends of the brush rods 58 are coaxially connected with fifth gears 510, the fifth gears 510 on both sides are respectively engaged with the fourth racks 53 on both sides, the brush rod 58 is hinged with a plurality of vibrating rods 511, the two sides of the water outlet pipe 51 are both provided with baffles 512, and the baffles 512 are positioned on the upper side of the reciprocating screw 54.

As shown in fig. 1, fig. 2, fig. 18 and fig. 19, the collecting mechanism 6 comprises a collecting box 61 and a collecting box 62, the collecting box 61 is respectively arranged on one side of the pool body 1, an input end of the sand pump 2 is communicated with the pool body 1, an output end of the sand pump 2 is communicated with the collecting box 61, the collecting box 62 is slidably arranged in the collecting box 61, a sixth gear 63 is rotatably arranged on the side wall of the collecting box 61, one side of the collecting box 62 is connected with a fifth rack 64 meshed with the sixth gear 63, a sixth rack 65 meshed with the sixth gear 63 is connected to the connecting rod 46, a seventh rack 66 is arranged on one side of the upper side of the pool body 1 close to the collecting box 61, and a toothed ring 67 matched with the seventh rack 66 is sleeved on the collecting cylinder 37.

The working principle of the invention is as follows.

The method comprises the following steps: the operation of scraping suspended matters is carried out, the second motor 72 is operated to drive the first lead screw 71 to rotate, the support frame 31 is driven to move on the connecting frame 33, the third motor 82 is operated to drive the second lead screw 81 to rotate, the moving frame 32 is driven to move on the support frame 31, so that the multidirectional movement of the scraping impeller 311 on the water surface of the pool body 1 is realized, the efficient operation of scraping the suspended matters on the water surface is realized, the first motor 101 is operated to drive the driving pin wheel 91 connected with the first motor to rotate, the first motor 101 rotates to realize the synchronous movement of the two driving pin wheels 91 through the spur gear set 102 and the belt wheel set 103, the driving pin wheel 91 rotates to drive the first driven grooved wheel 92 through the cylindrical pin, so that the scraping impeller 311 is driven to rotate on the water surface to scrape the suspended matters, then, the scraping impeller 311 cannot rotate due to the effect of the notch disc on the driving pin wheel 91, and the driving pin wheel 91 continues to rotate, the second driven sheave 93 is driven to rotate by a cylindrical pin, the second driven sheave 93 rotates to drive the connecting shaft 95 and the first gear 96 to rotate by the bevel gear set 97, the first gear 96 drives the first rack 94 to move, so that the pushing plate member 312 slides on the scraping impeller 311 to push suspended matters attached to the scraping impeller 311 into the collecting barrel 37, the second spring 313 is in a compression state at the moment, the discharge port 38 on the collecting barrel 37 is always upward due to the action of the first spring 310 to ensure that the collected suspended matters cannot fall off, the driving pin wheel 91 continuously rotates to be separated from the second driven sheave 93, at the moment, due to the acting force of the second spring 313, the pushing plate member 312 resets, the driving pin wheel 91 continuously rotates to be in contact with the first driven sheave 92 to perform next suspended matter removing operation, after the removing operation is completed, the second motor 72 and the third motor 82 operate, the collecting cylinder 37 is brought to the collecting box 61 side, and the toothed ring 67 is engaged with the seventh rack 66, so that the toothed ring 67 rotates, the discharge port 38 rotates downward, and suspended matter in the collecting cylinder 37 is discharged into the collecting box 62.

Step two: when a fault occurs or shutdown maintenance is needed, the fourth motor 44 is operated to drive the second gear 45 and the third gear 48 to rotate, the second gear 45 drives the second rack 43 to move downwards, so that the gate plate 42 moves downwards to block water inflow, meanwhile, the third gear 48 drives the third rack 47 and the connecting rod piece 46 to move upwards, the connecting rod piece 46 drives the filter plate to move upwards, the upward-moving filter plate drives the fourth racks 53 on two sides to move upwards, the fourth rack 53 drives the fourth gear 55 and the fifth gear 510 which are meshed with the fourth racks 53 to rotate, so that the reciprocating lead screw 54 and the brush rod 58 rotate, the reciprocating lead screw 54 cooperates with the limiting rod 57 when rotating, so that the scraping plate piece 56 reciprocates along the axis of the reciprocating lead screw 54 to clean impurities on the filter screen 52, the upward-moving filter screen 52 is contacted with the brush bristles 59, the brush bristles 59 further cleans the filter screen 52, the rotating brush rod 58 drives the vibrating rod 511 to rotate, articulated vibrating arm 511 beats the operation because the effect of centrifugal force is to filter screen 52, further improve the clearance effect, when clearance filter screen 52, baffle 512 can block on debris fall reciprocating screw 54, the connecting rod piece 46 that shifts up drives sixth rack 65 and shifts up, sixth rack 65 drives sixth gear 63 and rotates, sixth gear 63 and then drive fifth rack 64 motion, make collection box 62 follow collecting box 61 internal slipping, and then make collecting box 61 below fully expose, conveniently clear up accumulational grit, and then realize blocking fast and intake, the exhaust sewage, clearance filter screen 52, the integration operation of clearance long-pending sand, high efficiency is swift, the convenient operation of maintaining work goes on.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.

Claims

1. The utility model provides an aeration sand setting sewage treatment plant, includes cell body (1), sand pump (2), its characterized in that: the upper side of the tank body (1) is provided with a removing mechanism (3) for scraping, collecting and discharging suspended matters on the surface of sewage, and the tank body (1) is provided with a water inlet opening and closing mechanism (4) for controlling the opening and closing of a water inlet; the tank body (1) is provided with a filtering and cleaning mechanism (5) for filtering sewage and cleaning a filter screen (52); the pool body (1) is provided with a collecting mechanism (6) for collecting impurities such as gravel, suspended matters and the like; the water inlet opening and closing mechanism (4), the filtering and cleaning mechanism (5) and the collecting mechanism (6) are linked;

the removing mechanism (3) comprises a supporting frame (31) and a moving frame (32), a connecting frame (33) is installed on the upper side of the tank body (1), the supporting frame (31) is slidably installed on the connecting frame (33), a first reciprocating mechanism (7) used for driving the supporting frame (31) to move is arranged on the connecting frame (33), the moving frame (32) is slidably installed on the supporting frame (31), a second reciprocating mechanism (8) used for driving the moving frame (32) to move is arranged on the supporting frame (31), electric cylinders (34) are arranged on two sides of the moving frame (32), the output ends of the two electric cylinders (34) are connected with the same mounting plate (35), a mounting frame (36) is connected on the mounting plate (35), collecting barrels (37) are rotatably installed on two sides of the mounting frame (36), a discharge port (38) is formed in one side of each collecting barrel (37), and arc-shaped guide rods (39) are arranged on the periphery sides of each collecting barrel (37), arc guide arm (39) are gone up the cover and are equipped with and be used for collecting vessel (37) to keep steady first spring (310), mounting bracket (36) both sides are all rotated and are connected with and strike off impeller (311) with collecting vessel (37) matched with, the equal slidable mounting in mounting bracket (36) both sides has and pushes away plate (312), be used for scraping the suspended solid propelling movement on impeller (311) to the collecting vessel (37) in, it is used for its second spring (313) that reset to overlap on plate (312) to push away, mounting bracket (36) both sides all are provided with link gear (9), be used for realizing the linkage with the operation of pushing away plate (312) propelling movement of scraping off operation that will strike off impeller (311), be provided with actuating mechanism (10) on mounting bracket (36), be used for driving two link gear (9) simultaneous movement.

2. An aeration grit sewage treatment device according to claim 1, wherein: the linkage mechanism (9) comprises a driving pin wheel (91) and a first driven sheave (92), the driving pin wheel (91) and the first driven sheave (92) are rotatably installed on the installation frame (36), the first driven sheave (92) is matched with the driving pin wheel (91), the first driven sheave (92) is meshed with a notch disc of the driving pin wheel (91), a second driven sheave (93) is rotatably installed on the installation frame (36), the second driven sheave (93) is matched with a cylindrical pin of the driving pin wheel (91), the second driven sheave (93) is not meshed with the notch disc of the driving pin wheel (91), a central shaft of the first driven sheave (92) penetrates through the installation frame (36) and then is connected with a scraping impeller (311), a first rack (94) is arranged on the pushing plate piece (312), a connecting shaft (95) is rotatably installed on the installation frame (36), one end of the connecting shaft (95) is coaxially connected with a first gear (96) meshed with the first rack (94), the other end of the connecting shaft (95) is linked with the central shaft of the second driven sheave (93) through a bevel gear set (97).

3. An aeration grit sewage treatment device according to claim 2, wherein: the driving mechanism (10) comprises a first motor (101) and a spur gear set (102), an output shaft of the first motor (101) is coaxially connected with a central shaft of one driving pin wheel (91), and an output shaft of the first motor (101) is linked with the other driving pin wheel (91) through the spur gear set (102) and a belt pulley set (103).

4. An aeration grit sewage treatment device according to claim 1, wherein: first reciprocating mechanism (7) include first lead screw (71) and second motor (72), and first lead screw (71) rotate to be installed on link (33), and first lead screw (71) run through support frame (31) and both threaded connection, and second motor (72) are installed on link (33), and second motor (72) output shaft and first lead screw (71) coaxial coupling, second reciprocating mechanism (8) include second lead screw (81) and third motor (82), and second lead screw (81) rotate to be installed on support frame (31), and second lead screw (81) run through and move frame (32) and both threaded connection, and third motor (82) are installed on support frame (31), and third motor (82) output shaft and second lead screw (81) coaxial coupling.

5. An aeration grit sewage treatment plant as claimed in claim 1, wherein: intake starting and stopping mechanism (4) including inlet tube (41) and flashboard (42), inlet tube (41) set up in cell body (1) one side and communicate with cell body (1), flashboard (42) run through inlet tube (41) and both sliding connection, be provided with second rack (43) on flashboard (42), install fourth motor (44) on inlet tube (41), fourth motor (44) output shaft coaxial coupling has second gear (45) with second rack (43) meshing, sliding mounting has connecting rod spare (46) on link (33), be provided with third rack (47) on connecting rod spare (46), fourth motor (44) output shaft coaxial coupling has third gear (48) with third rack (47) meshing.

6. An aeration grit sewage treatment device according to claim 5, wherein: the filtering and cleaning mechanism (5) comprises a water outlet pipe (51) and a filter screen (52), the water outlet pipe (51) is arranged on one side of the tank body (1), the filter screen (52) is slidably mounted inside the water outlet pipe (51), one side of the filter screen (52) penetrates through the water outlet pipe (51) and then is connected with a connecting rod piece (46), both sides of the filter screen (52) are respectively provided with a fourth rack (53), both sides of the water outlet pipe (51) are respectively rotatably provided with a reciprocating lead screw (54), both ends of the reciprocating lead screw (54) are respectively and coaxially connected with a fourth gear (55), the fourth gears (55) on both sides are respectively meshed with the fourth racks (53) on both sides, the reciprocating lead screw (54) is sleeved with a scraping piece (56) for cleaning the filter screen (52), a limiting rod (57) is mounted on the water outlet pipe (51), the limiting rod (57) penetrates through the scraping piece (56) and is slidably connected with the scraping piece (56), both sides of the water outlet pipe (51) are respectively rotatably provided with a brush rod (58), the brush rod (58) is provided with a plurality of bristles (59), the two ends of the brush rod (58) are coaxially connected with fifth gears (510), the fifth gears (510) on the two sides are respectively meshed with fourth racks (53) on the two sides, the brush rod (58) is hinged with a plurality of vibrating rods (511), the two sides of the water outlet pipe (51) are respectively provided with a baffle (512), and the baffle (512) is located on the upper side of the reciprocating screw rod (54).

7. An aeration grit sewage treatment device according to claim 6, wherein: collect mechanism (6) including collecting box (61) and collection box (62), collecting box (61) set up respectively in cell body (1) one side, sand pump (2) input and cell body (1) intercommunication, sand pump (2) output and collecting box (61) intercommunication, collect box (62) slidable mounting in collecting box (61), sixth gear (63) are installed in the rotation of collecting box (61) lateral wall, it is connected with fifth rack (64) with sixth gear (63) meshing to collect box (62) one side, be connected with on connecting rod spare (46) with sixth rack (65) of sixth gear (63) meshing, cell body (1) upside is close to collecting box (61) one side and is provided with seventh rack (66), the cover is equipped with on collecting cylinder (37) and encircles with seventh rack (66) matched with tooth (67).

8. An application method for treating sewage by using the aeration grit sewage treatment device of claim 1, which is characterized by comprising the following specific application steps:

the method comprises the following steps: carrying out the operation of scraping suspended matters, operating the second motor (72) and the third motor (82) to enable the support frame (31) and the movable frame (32) to move in multiple directions, further realizing the multidirectional movement of the scraping impeller (311) on the water surface of the tank body (1), conveniently carrying out the efficient operation of scraping the suspended matters on the water surface, operating the first motor (101) to enable the scraping impeller (311) to rotate on the water surface to scrape the suspended matters, pushing a plate piece (312) to slide on the scraping impeller (311), pushing the suspended matters attached to the scraping impeller (311) into the collection barrel (37), after the removal work is finished, operating the second motor (72) and the third motor (82), driving the collection barrel (37) to one side of the collection box (61), and enabling a toothed ring (67) to be meshed with a seventh rack (66), enabling the toothed ring (67) to rotate, and rotating the discharge port (38) downwards, the suspended matter in the collecting cylinder (37) is discharged into a collecting box (62).

Step two: when a fault occurs or shutdown maintenance is needed, the fourth motor (44) is operated, so that the gate plate (42) moves downwards to block water inflow, meanwhile, the connecting rod piece (46) drives the filter plate to move upwards, the reciprocating lead screw (54) rotates with the brush rod (58), the reciprocating lead screw (54) is matched with the limiting rod (57) to work when rotating, so that the scraper piece (56) reciprocates along the axis of the reciprocating lead screw (54) to clean impurities on the filter screen (52), the upward moving filter screen (52) is contacted with the brush bristles (59), the brush bristles (59) further clean the filter screen (52), the hinged vibrating rod (511) beats the filter screen (52) under the action of centrifugal force to further clean the filter screen, when the filter screen (52) is cleaned, the baffle plate (512) can prevent the impurities from falling onto the reciprocating lead screw (54), and then the collection box (62) slides out of the collection box (61), and then make collecting box (61) below fully expose, clear up accumulational grit, later carry out the part maintenance work can.