Peripheral sewage treatment device for hydroelectric power plant

Abstract

The invention relates to the technical field of water conservancy projects, in particular to a sewage treatment device around a hydroelectric power station, and aims to solve the problems that dirt or impurities in water cannot be effectively cleaned and separated during sewage treatment in the prior art, sewage cannot be further effectively treated in subsequent treatment, and the sewage treatment efficiency is low. According to the technical scheme, the sewage treatment device comprises a sewage containing box, the machine box is fixedly installed on the sewage containing box, one end of the sewage containing box is fixedly connected with a sewage containing pipe, and the sewage containing box is provided with a first treatment opening and a second treatment opening. Meanwhile, the axial impeller can effectively precipitate fine impurities in the sewage and kill microorganisms in the sewage, so that the sewage meets the discharge requirement.

Description

Technical Field

[0001] The invention relates to the technical field of water conservancy engineering, and in particular to a sewage treatment device around a hydropower station. Background Art

[0002] After a hydroelectric power station is built and put into use, a lot of industrial wastewater and domestic wastewater will be generated around the power station. These wastewaters will contain harmful biodegradable substances. If these wastewaters are directly discharged into downstream rivers, it will affect the domestic water use of downstream residents and livestock.

[0003] The patent document with the publication number CN213950853U discloses a sewage treatment device around a hydroelectric power station, including a treatment box, a solar panel and a movable door, the top of the treatment box is connected with a rotating motor through multiple sets of screws, the output shaft of the rotating motor is connected with a rotating rod through a coupling, and the lower half of the rotating rod passes through the treatment box, and the outer periphery of the rotating rod is welded with a spiral auger piece, a storage plate is welded on one side of the treatment box, a storage slot is provided at the top of the storage plate, and a liquid storage box for containing flocculants is provided in the inner cavity of the storage slot, and a liquid pump connected to the liquid storage box is connected to the top of the storage plate through multiple sets of screws, and the liquid pump is connected with a liquid outlet pipe, and the liquid outlet pipe is connected with the top of the treatment box, and a solar panel for sunshade is arranged above the treatment box, and two groups of long rods and two groups of short rods are welded between the solar panel and the treatment box. The sewage treatment device around the hydroelectric power station can not only ensure the flocculation effect, but also facilitate the removal of the filtered material.

[0004] In the above patent documents, when treating sewage, the dirt or impurities in the water cannot be effectively cleaned and separated, resulting in the inability to effectively further treat the sewage in subsequent treatments and failure to meet discharge requirements.

[0005] Therefore, we propose a sewage treatment device around a hydroelectric power station to solve the above problems. Summary of the invention

[0006] The purpose of the present invention is to solve the problem that the prior art cannot effectively clean and separate the dirt or impurities in the water during sewage treatment, resulting in the inability to effectively further treat the sewage in subsequent treatment and failure to meet the discharge requirements, and to propose a sewage treatment device around a hydroelectric power station.

[0007] In order to achieve the above object, the present invention adopts the following technical solutions:

[0008] A sewage treatment device around a hydroelectric power station, comprising:

[0009] Dirt box;

[0010] A chassis is fixedly mounted on the sewage box, one end of the sewage box is fixedly connected with a sewage pipe, a treatment port 1 and a treatment port 2 are provided on the sewage box, a frame is fixedly mounted on the treatment port 1, a conveyor belt 1 is provided on the frame, a support frame is fixedly mounted on the treatment port 2, a plurality of slide slots are provided on the support frame, a grille is fixedly mounted on the support frame, a treatment box is fixedly mounted on one end of the sewage box, a medicine box is fixedly mounted on the top of the treatment box, an addition port is provided on the medicine box, a mixing port is provided on the medicine box and is connected with the treatment box, a discharge pipe is fixedly mounted on the treatment box, a motor 1 is fixedly mounted in the chassis, and a transmission box 1, a transmission box 2 and a transmission box 3 are fixedly mounted on the chassis;

[0011] The transmission mechanism is arranged in the chassis and is used to transmit the kinetic energy of the motor 1;

[0012] The grid mechanism is arranged on the support frame and is used for secondary filtering of the impurities after filtering. The dirt receiving box is fixedly mounted with a plurality of brackets 1 and 2, the plurality of brackets 1 are fixedly mounted with recovery plates obliquely, the plurality of brackets 2 are provided with conveyor belts 2, and the recovery plates and conveyor belts 2 are convenient for recycling the filtered impurities.

[0013] A fixing frame 1 is fixedly installed on the frame, a guide roller is rotatably installed on the fixing frame 1, the guide roller is transmission-connected to a conveyor belt 1, a plurality of dirt collecting plates are fixedly installed on the conveyor belt 1, the conveyor belt 1 filters the impurities in the dirt collecting box through the plurality of dirt collecting plates, and dumps the impurities onto a recovery plate for easy recovery.

[0014] The transmission mechanism includes sprocket one, which is fixedly connected to the output shaft of motor one, with chain one meshing on sprocket one, with sprocket two meshing on chain one, with transmission roller one fixedly installed on sprocket two, with transmission roller one transmission connected to conveyor belt one, with multiple transmission rollers two transmission connected to conveyor belt one, and sprocket one drives transmission roller one to operate through chain one and sprocket two, and drives multiple transmission rollers two and conveyor belt one to operate.

[0015] A second fixing frame is fixedly mounted on the frame, a second motor is fixedly mounted on the second fixing frame, a turntable is fixedly mounted on the output shaft of the second motor, a plurality of rubber rods are fixedly mounted on the turntable, iron balls are fixedly mounted on the plurality of rubber rods, the plurality of iron balls respectively cooperate with a plurality of dirt-collecting plates, and the plurality of iron balls, driven by the second motor, continuously knock the dirt-collecting plates to knock out stubborn impurities on the upper parts.

[0016] The output shaft of the motor one is fixedly mounted with a sprocket three, the sprocket three is meshed with a chain two, the chain two is meshed with a double-drive sprocket, the double-drive sprocket is meshed with a chain three, the chain three is meshed with a sprocket four, the sprocket four is rotatably mounted on a support frame, and the motor one drives the sprocket four to rotate on the support frame through the sprocket three, the chain two, the double-drive sprocket and the chain three.

[0017] A main gear is fixedly mounted on the sprocket four, a plurality of slave gears are meshed on the main gear, connecting shafts are fixedly mounted on the plurality of slave gears, semicircular gears are fixedly mounted on the plurality of connecting shafts, spur racks are meshed on the plurality of semicircular gears, the spur racks are slidably mounted in a supporting frame, a fixing plate is fixedly mounted on the spur rack, a connecting plate two is fixedly mounted on the fixing plate, a plurality of fixing screws are fixedly mounted on the connecting plate two, and the sprocket four drives the plurality of semicircular gears to operate through the main gear and the plurality of slave gears, causing the spur racks to reciprocate.

[0018] The grille mechanism includes multiple connecting plates one, which are respectively fixedly connected to multiple connecting plates two, and fixed by multiple fixing screws. The multiple connecting plates one are fixedly installed with an I-shaped bracket, and the I-shaped bracket is fixedly installed with multiple guide arc plates. The I-shaped bracket is fixedly installed with multiple filter plates, and the multiple filter plates are respectively matched with multiple grilles. The multiple connecting plates one are fixedly connected to the multiple connecting plates two, thereby driving the I-shaped bracket to perform reciprocating motion, and filtering impurities in the grille through the multiple filter plates.

[0019] A sprocket five is fixedly mounted on the output shaft of the motor one, a chain four is meshed on the sprocket five, a sprocket six is ​​meshed on the chain four, a bevel gear one is fixedly mounted on the sprocket six, a bevel gear two is meshed on the bevel gear one, a sprocket seven is fixedly mounted on the bevel gear two, a chain five is meshed on the sprocket seven, a sprocket eight is meshed on the chain five, a drive shaft is fixedly mounted on the sprocket eight, and the motor one drives the drive shaft to operate via the sprocket five, the chain four, the sprocket six, the bevel gear one, the bevel gear two, the sprocket seven and the sprocket eight.

[0020] The drive shaft is respectively fixedly mounted with a transmission shaft and an axial impeller, a plurality of stirring rods are fixedly mounted on the transmission shaft, and a plurality of paddle blades are obliquely fixedly mounted on the axial impeller. The drive shaft drives the transmission shaft and the axial impeller to operate, and drives the plurality of stirring rods to stir the chemicals in the reagent box to mix them fully. At the same time, the plurality of paddle blades precipitate the sewage in the treatment box and transport the disinfected sewage to the discharge pipe.

[0021] In the present invention, the beneficial effects of the sewage treatment device around a hydroelectric power station are as follows:

[0022] (1) Through the multiple dirt-collecting plates on the conveyor belt, most of the impurities in the sewage can be effectively filtered and poured onto the curved plate for easy recycling.

[0023] (2) The iron balls on the multiple rubber rods on the turntable are driven by motor 2 to knock the dirt-collecting plate, thereby assisting the discharge of the dirt-collecting plate and preventing impurities from adhering to the dirt-collecting plate and affecting the filtering effect.

[0024] (3) Smaller impurities in the treated sewage can be filtered through the screen and blocked at the screen. The impurities are picked up by the filter plate and sent to the second conveyor belt for recycling.

[0025] (4) Add certain chemical agents to the sewage after secondary treatment to disinfect harmful substances in the sewage so that it meets the discharge requirements.

[0026] (5) The fine particles in the sewage are precipitated through the axial impeller in the treatment box, and the disinfected sewage is discharged through the discharge pipe.

[0027] The present invention can effectively filter most of the impurities in the sewage through multiple filtrations of the sewage, and recycle the filtered impurities. At the same time, the axial impeller can effectively precipitate the fine impurities in the sewage and disinfect the microorganisms therein to meet the discharge requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a schematic diagram of the structure of a sewage treatment device around a hydroelectric power station proposed by the present invention;

[0029] Figure 2 A schematic diagram of the side structure of a sewage treatment device around a hydroelectric power station proposed by the present invention;

[0030] Figure 3 A schematic diagram of the structure of the interior of a transmission box of a sewage treatment device around a hydroelectric power station proposed by the present invention;

[0031] Figure 4 A schematic diagram of the structure of a conveyor belt of a sewage treatment device around a hydroelectric power station proposed by the present invention;

[0032] Figure 5 This is a schematic structural diagram of a sewage receiving plate of a sewage treatment device around a hydroelectric power station proposed by the present invention;

[0033] Figure 6 This is a schematic diagram of the structure inside a transmission box 2 of a sewage treatment device around a hydroelectric power station proposed by the present invention;

[0034] Figure 7 This is a schematic diagram of the exploded structure of a support frame of a sewage treatment device around a hydroelectric power station proposed by the present invention;

[0035] Figure 8 A schematic diagram of the third structure of a transmission box of a sewage treatment device around a hydroelectric power station proposed by the present invention;

[0036] Fig. 9A schematic structural diagram of a cross-sectional view of a treatment box of a sewage treatment device around a hydroelectric power station proposed by the present invention;

[0037] Fig.10 A schematic diagram of the structure of a turntable of a sewage treatment device around a hydroelectric power station proposed by the present invention;

[0038] Fig.11 A schematic diagram of the structure of an iron ball of a sewage treatment device around a hydroelectric power station proposed by the present invention;

[0039] Fig.12 This is a schematic structural diagram of a spur rack of a sewage treatment device around a hydroelectric power station proposed by the present invention;

[0040] Fig.13 This is a schematic diagram of the structure of the main gear of a sewage treatment device around a hydroelectric power station proposed by the present invention;

[0041] Fig.14 A schematic diagram of the structure of a semicircular gear of a sewage treatment device around a hydroelectric power station proposed by the present invention;

[0042] Fig.15 This is a structural schematic diagram of a connecting plate 2 of a sewage treatment device around a hydroelectric power station proposed by the present invention.

[0043] In the figure: 1, sewage pipe; 2, sewage box; 3, chassis; 4, transmission box 1; 5, transmission box 2; 6, transmission box 3; 7, treatment box; 8, medicine box; 9, addition port; 10, discharge pipe; 11, bracket 1; 12, recovery plate; 13, bracket 2; 14, conveyor belt 2; 15, motor 1; 16, sprocket 1; 17, chain 1; 18, sprocket 2; 19, sewage plate; 20, frame; 21, fixed frame 1; 22, guide roller; 23, transmission roller 1; 24, transmission roller 2; 25, treatment port 1; 26, treatment port 2; 27, sprocket 3; 28, chain 2; 29, double drive sprocket; 30, chain 3; 31, sprocket 4; 32, support frame; 3 3. Slide; 34. Grille; 35. Connecting plate 1; 36. I-shaped bracket; 37. Guide arc plate; 38. Filter plate; 39. Mixing port; 40. Sprocket 5; 41. Chain 4; 42. Sprocket 6; 43. Bevel gear 1; 44. Bevel gear 2; 45. Sprocket 7; 46. Chain 5; 47. Drive shaft; 48. Transmission shaft; 49. Agitator rod; 50. Axial impeller; 51. Paddle; 52. Fixed frame 2; 53. Motor 2; 54. Turntable; 55. Rubber rod; 56. Iron ball; 57. Spur rack; 58. Main gear; 59. Slave gear; 60. Connecting shaft; 61. Semicircular gear; 62. Fixed plate; 63. Connecting plate 2; 64. Fixing screw. DETAILED DESCRIPTION

[0044] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0045] Embodiment 1

[0046] Reference Figure 1-Figure 15 , a sewage treatment device around a hydroelectric power station, comprising:

[0047] Dirt box 2;

[0048] The chassis 3 is fixedly mounted on the sewage box 2, one end of which is fixedly connected with the sewage pipe 1, the sewage box 2 is provided with a processing port 1 25 and a processing port 2 26, the processing port 1 25 is fixedly mounted with a frame 20, a conveyor belt 1 is provided on the frame 20, a support frame 32 is fixedly mounted on the processing port 2 26, a plurality of slide grooves 33 are provided on the support frame 32, a grille 34 is fixedly mounted on the support frame 32, a processing box 7 is fixedly mounted on one end of the sewage box 2, a medicine box 8 is fixedly mounted on the top of the processing box 7, an addition port 9 is provided on the medicine box 8, a mixing port 39 is provided on the medicine box 8 and is connected with the processing box 7, a discharge pipe 10 is fixedly mounted on the processing box 7, a motor 15 is fixedly mounted in the chassis 3, and a transmission box 1 4, a transmission box 2 5 and a transmission box 3 6 are fixedly mounted on the chassis 3;

[0049] The transmission mechanism is arranged in the chassis 3 and is used to transmit the kinetic energy of the motor 15;

[0050] The grid mechanism is arranged on the support frame 32 and is used for performing secondary filtering treatment on the filtered impurities.

[0051] In the present invention, a plurality of brackets 11 and a plurality of brackets 13 are fixedly installed on the dirt box 2, a recovery plate 12 is fixedly installed obliquely on the plurality of brackets 11, a plurality of brackets 13 are provided with a conveyor belt 14, and the recovery plate 12 and the conveyor belt 14 are convenient for recycling the filtered impurities.

[0052] In the present invention, a fixed frame 21 is fixedly installed on the frame 20, a guide roller 22 is rotatably installed on the fixed frame 21, the guide roller 22 is connected to a conveyor belt, and a plurality of dirt collecting plates 19 are fixedly installed on the conveyor belt. The conveyor belt filters the impurities in the dirt box 2 through the plurality of dirt collecting plates 19, and dumps them onto the recovery plate 12 for easy recovery.

[0053] In the present invention, the transmission mechanism includes a sprocket 16, which is fixedly connected to the output shaft of a motor 15, a chain 17 is meshed on the sprocket 16, a sprocket 2 18 is meshed on the chain 17, a transmission roller 23 is fixedly installed on the sprocket 2 18, the transmission roller 23 is transmission-connected to a conveyor belt 1, and a plurality of transmission rollers 24 are transmission-connected to the conveyor belt 1, and the sprocket 16 drives the transmission roller 23 to operate through the chain 17 and the sprocket 2 18, and drives the plurality of transmission rollers 2 24 and the conveyor belt 1 to operate.

[0054] In the present invention, a fixing frame 2 52 is fixedly mounted on the frame 20, a motor 2 53 is fixedly mounted on the fixing frame 2 52, a turntable 54 is fixedly mounted on the output shaft of the motor 2 53, a plurality of rubber rods 55 are fixedly mounted on the turntable 54, iron balls 56 are fixedly mounted on the plurality of rubber rods 55, the plurality of iron balls 56 respectively cooperate with the plurality of dirt-receiving plates 19, and the plurality of iron balls 56, driven by the motor 2 53, continuously knock the dirt-receiving plates 19 to knock out the stubborn impurities on the upper parts.

[0055] In the present invention, a sprocket three 27 is fixedly mounted on the output shaft of the motor one 15, a chain two 28 is meshed on the sprocket three 27, a double-drive sprocket 29 is meshed on the chain two 28, a chain three 30 is meshed on the double-drive sprocket 29, a sprocket four 31 is meshed on the chain three 30, and the sprocket four 31 is rotatably mounted on the support frame 32. The motor one 15 drives the sprocket four 31 to rotate on the support frame 32 through the sprocket three 27, the chain two 28, the double-drive sprocket 29 and the chain three 30.

[0056] In the present invention, a main gear 58 is fixedly mounted on the sprocket four 31, and a plurality of slave gears 59 are meshed on the main gear 58. A connecting shaft 60 is fixedly mounted on the plurality of slave gears 59, and a semicircular gear 61 is fixedly mounted on the plurality of connecting shafts 60. A spur rack 57 is meshed on the plurality of semicircular gears 61, and the spur rack 57 is slidably mounted in the support frame 32. A fixing plate 62 is fixedly mounted on the spur rack 57, and a connecting plate two 63 is fixedly mounted on the fixing plate 62. A plurality of fixing screws 64 are fixedly mounted on the connecting plate two 63. The sprocket four 31 drives the plurality of semicircular gears 61 to operate through the main gear 58 and the plurality of slave gears 59, and causes the spur rack 57 to reciprocate.

[0057] In the present invention, the grille mechanism includes a plurality of connecting plates 35, the plurality of connecting plates 35 are respectively fixedly connected to a plurality of connecting plates 2 63, and a plurality of fixing screws 64 fix them. An I-shaped bracket 36 is fixedly mounted on the plurality of connecting plates 35, a plurality of guide arc plates 37 are fixedly mounted on the I-shaped bracket 36, a plurality of filter plates 38 are fixedly mounted on the I-shaped bracket 36, and the plurality of filter plates 38 respectively match the plurality of grilles 34. The plurality of connecting plates 35 are fixedly connected to the plurality of connecting plates 2 63, thereby driving the I-shaped bracket 36 to perform reciprocating motion, and filtering the impurities in the grilles 34 through the plurality of filter plates 38.

[0058] In the present invention, a sprocket five 40 is fixedly mounted on the output shaft of the motor one 15, a chain four 41 is meshed on the sprocket five 40, a sprocket six 42 is meshed on the chain four 41, a bevel gear one 43 is fixedly mounted on the sprocket six 42, a bevel gear one 44 is meshed on the bevel gear one 43, a sprocket seven 45 is fixedly mounted on the bevel gear two 44, a chain five 46 is meshed on the sprocket seven 45, a sprocket eight is meshed on the chain five 46, a drive shaft 47 is fixedly mounted on the sprocket eight, and the motor one 15 drives the drive shaft 47 to operate through the sprocket five 40, the chain four 41, the sprocket six 42, the bevel gear one 43, the bevel gear two 44, the sprocket seven 45 and the sprocket eight.

[0059] In the present invention, a transmission shaft 48 and an axial impeller 50 are fixedly installed on the driving shaft 47, a plurality of stirring rods 49 are fixedly installed on the transmission shaft 48, and a plurality of paddles 51 are obliquely fixedly installed on the axial impeller 50. The driving shaft 47 drives the transmission shaft 48 and the axial impeller 50 to operate, and drives the plurality of stirring rods 49 to stir the chemical agents in the reagent box 8 to make them fully mixed. At the same time, the plurality of paddles 51 precipitate the sewage in the treatment box 7, and transport the disinfected sewage to the discharge pipe 10.

[0060] The implementation principle of the present invention is as follows: the sewage collecting pipe 1 collects sewage into the sewage collecting box 2, the motor 15 is started to drive the sprocket 16, the chain 17 and the sprocket 2 18 to operate, and the driving roller 1 23 operates. The driving roller 1 23 drives multiple driving rollers 24 to operate through the conveyor belt 1, so that the multiple sewage collecting plates 19 on the conveyor belt 1 operate to filter the larger debris in the sewage collecting box 2. At the same time, the motor 2 53 in the fixed frame 2 52 on the frame 20 knocks the sewage collecting plates 19 passing through the iron balls 56 on the multiple rubber rods 55 on the turntable 54 to prevent impurities from sticking to the sewage collecting plates 19 and affecting the filtering effect. The filtered sewage passes through the grille 34 under the push of the sewage behind, and the smaller impurities therein are filtered to achieve multiple filtration of the sewage. At the same time, the motor 15 operates through the sprocket 3 27, the chain 2 28, the double-drive sprocket 29, the chain 3 30 and the sprocket 4 31 to drive the main gear 58, multiple slave gears 59 and multiple semicircular gears in the reciprocating mechanism. The wheel 61 rotates, and the multiple fixing screws 64 on the straight rack 57 drive the sliding of the industrial bracket 36 on the support frame 32, and drive the multiple filter plates 38 to push the debris in the grille 34, so that it falls on the conveyor belt 2 14 for recycling. At the same time, the multiple guide arc plates 37 on the industrial bracket 36 can effectively guide the treatment to prevent the filter plates 38 and the impurities in the grille 34 from getting stuck with each other. The sewage after secondary filtration flows into the treatment box 7 along the sewage box 2. The motor 15 drives the bevel gear 1 43 and the bevel gear 2 44 to operate through the sprocket 5 40, the chain 41 and the sprocket 6 42, and changes the transmission direction. By driving the sprocket 7 45, the chain 5 46 and the sprocket 8 to operate, the drive shaft 47 is driven to rotate, and the multiple stirring rods 49 on the transmission shaft 48 are driven to rotate, and the medicine in the medicine box 8 is stirred. At the same time, the axial impeller 50 and the multiple blades 51 are driven to rotate, and the sewage is disinfected and precipitated to meet the discharge requirements.

[0061] Embodiment 2

[0062] The difference between this embodiment and the first embodiment is that an air circulation system is fixedly installed on the sewage receiving pipe 2 to circulate the air in the sewage receiving pipe 2 to reduce air pollution to the surrounding environment.

[0063] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A sewage treatment device around a hydroelectric power station, It is characterized in that include: Dirt box (2); The chassis (3) is fixedly mounted on the sewage box (2); one end of the sewage box (2) is fixedly connected to a sewage pipe (1); a first treatment port (25) and a second treatment port (26) are provided on the sewage box (2); a frame (20) is fixedly mounted on the first treatment port (25); a conveyor belt (1) is provided on the frame (20); a support frame (32) is fixedly mounted on the second treatment port (26); a plurality of slide grooves (33) are provided on the support frame (32); a grille (34) is fixedly mounted on the support frame (32) A treatment box (7) is fixedly mounted on one end of the dirt receiving box (2), a reagent box (8) is fixedly mounted on the top of the treatment box (7), a adding port (9) is provided on the reagent box (8), a mixing port (39) is provided on the reagent box (8) and is connected to the treatment box (7), a discharge pipe (10) is fixedly mounted on the treatment box (7), a motor 1 (15) is fixedly mounted in the chassis (3), and a transmission box 1 (4), a transmission box 2 (5) and a transmission box 3 (6) are fixedly mounted on the chassis (3); A transmission mechanism, disposed in the chassis (3), for transmitting kinetic energy of the motor 1 (15); The grid mechanism is arranged on the support frame (32) and is used for performing secondary filtering on the filtered impurities.

2. A sewage treatment device around a hydroelectric power station according to claim 1, It is characterized in that The dirt receiving box (2) is fixedly mounted with a plurality of brackets one (11) and a plurality of brackets two (13); a recovery plate (12) is fixedly mounted obliquely on the plurality of brackets one (11); and a conveyor belt two (14) is disposed on the plurality of brackets two (13).

3. A sewage treatment device around a hydroelectric power station according to claim 1, It is characterized in that A fixing frame (21) is fixedly mounted on the frame (20), a guide roller (22) is rotatably mounted on the fixing frame (21), the guide roller (22) is transmission-connected to a conveyor belt (1), and a plurality of dirt-receiving plates (19) are fixedly mounted on the conveyor belt (1).

4. A sewage treatment device around a hydroelectric power station according to claim 1, It is characterized in that The transmission mechanism comprises a sprocket wheel 1 (16), the sprocket wheel 1 (16) is fixedly connected to the output shaft of the motor 1 (15), the sprocket wheel 1 (16) is meshed with a chain 1 (17), the chain 1 (17) is meshed with a sprocket wheel 2 (18), a transmission roller 1 (23) is fixedly mounted on the sprocket wheel 2 (18), the transmission roller 1 (23) is transmission-connected to the conveyor belt 1, and a plurality of transmission rollers 2 (24) are transmission-connected to the conveyor belt 1.

5. A sewage treatment device around a hydroelectric power station according to claim 1, It is characterized in that A second fixing frame (52) is fixedly mounted on the frame (20), a second motor (53) is fixedly mounted on the second fixing frame (52), a turntable (54) is fixedly mounted on the output shaft of the second motor (53), a plurality of rubber rods (55) are fixedly mounted on the turntable (54), iron balls (56) are fixedly mounted on the plurality of rubber rods (55), and the plurality of iron balls (56) respectively cooperate with the plurality of dirt receiving plates (19).

6. A sewage treatment device around a hydroelectric power station according to claim 1, It is characterized in that A sprocket wheel three (27) is fixedly mounted on the output shaft of the motor one (15), a chain wheel two (28) is meshed on the sprocket wheel three (27), a double-drive sprocket wheel (29) is meshed on the chain wheel two (28), a chain wheel three (30) is meshed on the double-drive sprocket wheel (29), a sprocket wheel four (31) is meshed on the chain wheel three (30), and the sprocket wheel four (31) is rotatably mounted on a support frame (32).

7. A sewage treatment device around a hydroelectric power station according to claim 6, It is characterized in that A main gear (58) is fixedly mounted on the sprocket wheel four (31), a plurality of slave gears (59) are meshed on the main gear (58), a connecting shaft (60) is fixedly mounted on the plurality of slave gears (59), a semicircular gear (61) is fixedly mounted on the plurality of connecting shafts (60), a spur rack (57) is meshed on the plurality of semicircular gears (61), the spur rack (57) is slidably mounted in the support frame (32), a fixing plate (62) is fixedly mounted on the spur rack (57), a connecting plate two (63) is fixedly mounted on the fixing plate (62), and a plurality of fixing screws (64) are fixedly mounted on the connecting plate two (63).

8. A sewage treatment device around a hydroelectric power station according to claim 1, It is characterized in that The grille mechanism comprises a plurality of connecting plates (35), the plurality of connecting plates (35) are respectively fixedly connected to a plurality of connecting plates (63), a plurality of fixing screws (64) are used to fix them, an I-shaped bracket (36) is fixedly mounted on the plurality of connecting plates (35), a plurality of guide arc plates (37) are fixedly mounted on the I-shaped bracket (36), a plurality of filter plates (38) are fixedly mounted on the I-shaped bracket (36), and the plurality of filter plates (38) are respectively matched with the plurality of grilles (34).

9. A sewage treatment device around a hydroelectric power station according to claim 1, It is characterized in that A sprocket wheel five (40) is fixedly mounted on the output shaft of the motor one (15), a chain wheel four (41) is meshed on the sprocket wheel five (40), a sprocket wheel six (42) is meshed on the chain wheel four (41), a bevel gear wheel one (43) is fixedly mounted on the sprocket wheel six (42), a bevel gear wheel two (44) is meshed on the bevel gear wheel one (43), a sprocket wheel seven (45) is fixedly mounted on the bevel gear two (44), a chain wheel five (46) is meshed on the sprocket wheel seven (45), a sprocket wheel eight (46) is meshed on the chain wheel five (46), and a driving shaft (47) is fixedly mounted on the sprocket wheel eight.

10. A sewage treatment device around a hydroelectric power station according to claim 9, It is characterized in that A transmission shaft (48) and an axial impeller (50) are respectively fixedly mounted on the driving shaft (47); a plurality of stirring rods (49) are fixedly mounted on the transmission shaft (48); and a plurality of blades (51) are obliquely fixedly mounted on the axial impeller (50).

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