Dosing device for sewage treatment

Abstract

The utility model relates to the technical field of sewage treatment equipment, in particular to a sewage treatment dosing device which comprises a dosing barrel, a stirring rod and a filtering assembly, a driving motor is arranged above the dosing barrel, a first rotating shaft is arranged on the inner side of the dosing barrel, and a second rotating shaft is arranged on the outer side of the first rotating shaft; a third rotating shaft is arranged on the outer side of the second rotating shaft, stirring rods are arranged on the outer sides of the first rotating shaft, the second rotating shaft and the third rotating shaft, a suction pump is arranged on the outer side of the dosing barrel, and a filtering assembly is arranged at the joint of the suction pump and the dosing barrel. The driving motor is arranged to drive the first rotating shaft, the second rotating shaft and the third rotating shaft to rotate in different directions, the stirring rods are driven to rotate in the dosing barrel for stirring, dissolution of solid particles is accelerated, liquid is prevented from forming vortexes due to rotation in the same direction, meanwhile, the liquid leaving the dosing barrel is filtered through the filtering assembly, and the filtering efficiency is improved. Large solid particles are prevented from entering the pipeline to cause blockage.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment equipment technical field especially sewage treatment dosing device. BACKGROUND

[0002] In the process of sewage treatment, the medicament for sewage treatment needs to be prepared, and the operation process is roughly that solid particles are put into water to dissolve to prepare medicament, and then the medicament is pumped to the sewage pool by a suction pump.

[0003] The existing sewage treatment dosing device has poor stirring capacity and filtering capacity, and sediment may be generated at the bottom of the dosing barrel. During the suction process of the suction pump, large-particle solid particles may be sucked into the pump, causing the pump and the conveying pipeline to be blocked.

[0004] Therefore, aiming at the above problems, a sewage treatment dosing device can be designed to improve the existing sewage treatment dosing device and increase the stirring mechanism and the filtering mechanism. SUMMARY

[0005] In order to overcome the problems of most sewage treatment dosing devices, such as poor stirring capacity and filtering capacity of medicament, sediment may be generated at the bottom of the dosing barrel, and large-particle solid particles may be sucked into the pump during the suction process of the suction pump, causing the pump and the conveying pipeline to be blocked.

[0006] The technical scheme of the utility model discloses a sewage treatment dosing device, which comprises a dosing barrel, a stirring rod and a filtering assembly, the upper portion of the dosing barrel is provided with a driving motor, the inner side of the dosing barrel is provided with a first rotating shaft, the outer side of the first rotating shaft is provided with a second rotating shaft, the outer side of the second rotating shaft is provided with a third rotating shaft, the outer sides of the first rotating shaft, the second rotating shaft and the third rotating shaft are provided with the stirring rod, the upper portion of the dosing barrel is provided with a suction pump, and the filtering assembly is arranged at the connection position of the suction pump and the dosing barrel.

[0007] Preferably, the upper portion of the dosing barrel is provided with a mounting table, the upper portion of the mounting table is provided with a mounting frame, and the mounting frame is fixedly connected with the mounting table and the driving motor.

[0008] Preferably, the upper portion of the dosing barrel is provided with a feeding pipe, the upper portion of the feeding pipe is provided with a screw cap, and the bottom of the dosing barrel is provided with a discharging pipe.

[0009] Preferably, the upper portion of the third rotating shaft is fixedly connected with a first connecting block, the upper portion of the second rotating shaft is fixedly connected with a first gear, the upper portion of the first rotating shaft is fixedly provided with a second connecting block, and the second connecting block is fixedly connected with the output shaft of the driving motor.

[0010] The first gear is provided with a second gear on one side, the second gear is rotationally connected with the mounting table, transmission shafts are arranged on the upper and lower sides of the second gear, transmission belts are arranged between the transmission shafts and the second connecting block and the first connecting block, rolling grooves are arranged on the contact surfaces of the first connecting block, the first gear and the second connecting block, and rolling balls are arranged in the rolling grooves.

[0011] The filter assembly comprises a first connecting seat, a second connecting seat and a filter screen plate, the first connecting seat is arranged on one end of the discharge pipe, the second connecting seat is arranged on one side of the second connecting seat, and the filter screen plate is arranged at the joint of the first connecting seat and the second connecting seat.

[0012] The first connecting seat is provided with a first connecting ring on one side, the second connecting seat is provided with a second connecting ring on one side, the inner ring diameter of the first connecting ring is consistent with the outer ring diameter of the second connecting ring, and sealing rings are arranged at the contact positions of the first connecting ring, the second connecting ring and the filter screen plate.

[0013] The beneficial effects of the utility model are as follows:

[0014] The driving motor drives the first rotating shaft, the second rotating shaft and the third rotating shaft to rotate in different directions, drives the stirring rod to rotate in the charging barrel for stirring, accelerates the dissolution of solid particles, prevents the liquid from forming vortex due to rotation in the same direction, and simultaneously filters the liquid leaving the charging barrel by the filter assembly to prevent solid large particles from entering the pipeline and causing blockage. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A three-dimensional structural schematic view of the sewage treatment and dosing device is shown;

[0016] Figure 2 A three-dimensional structural schematic view of the stirring rod of the sewage treatment and dosing device is shown;

[0017] Figure 3 A three-dimensional structural schematic view of the driving assembly of the sewage treatment and dosing device is shown;

[0018] Figure 4 A three-dimensional structural schematic view of the filter assembly of the sewage treatment and dosing device is shown.

[0019] Explanation of reference signs: 1, dosing barrel; 2, driving motor; 3, suction pump; 4, first rotating shaft; 5, second rotating shaft; 6, third rotating shaft; 7, stirring rod; 101, mounting table; 102, mounting frame; 103, feeding pipe; 104, screw cap; 105, discharging pipe; 801, first connecting block; 802, first gear; 803, second connecting block; 804, second gear; 805, transmission shaft; 806, transmission belt; 807, rolling groove; 808, rolling ball; 901, first connecting seat; 902, second connecting seat; 903, filter screen; 904, first connecting ring; 905, second connecting ring; 906, sealing ring. DETAILED DESCRIPTION

[0020] The utility model is further explained in connection with the drawings and examples.

[0021] Please refer to Figures 1-4 The utility model provides a kind of embodiment: a sewage treatment dosing device, including dosing barrel 1, stirring rod 7 and filter assembly, the top of dosing barrel 1 is provided with driving motor 2, the inner side of dosing barrel 1 is provided with first rotating shaft 4, the outer side of first rotating shaft 4 is provided with second rotating shaft 5, the outer side of second rotating shaft 5 is provided with third rotating shaft 6, the outer side of first rotating shaft 4, second rotating shaft 5 and third rotating shaft 6 is provided with stirring rod 7, the top of dosing barrel 1 is provided with suction pump 3, and filter assembly is provided at the connecting portion of suction pump 3 and dosing barrel 1;By being provided with driving motor 2 to drive first rotating shaft 4, second rotating shaft 5 and third rotating shaft 6 to rotate in different directions, stirring rod 7 is driven to rotate in dosing barrel 1 to stir, the dissolution of solid particles is accelerated, and it is prevented that liquid forms vortex by rotating in the same direction, and filter assembly filters liquid leaving dosing barrel 1, to prevent that solid large particles enter pipeline and produce blockage.

[0022] Please refer to Figure 2 In the embodiment, the top of dosing barrel 1 is provided with mounting table 101, the top of mounting table 101 is provided with mounting frame 102, mounting frame 102 is fixedly connected with mounting table 101 and driving motor 2, the top of dosing barrel 1 is provided with feeding pipe 103, the top of feeding pipe 103 is provided with screw cap 104, and the bottom of dosing barrel 1 is provided with discharging pipe 105;Mounting frame 102 is used to install and fix mounting frame 102 with mounting table 101, feeding pipe 103 is used to feed inside dosing barrel 1, screw cap 104 is used to close feeding pipe 103, and discharging pipe 105 is used to discharge liquid.

[0023] Please refer to Figure 3In the embodiment, the upper side of the third rotating shaft 6 is fixedly connected with a first connecting block 801, the upper side of the second rotating shaft 5 is fixedly connected with a first gear 802, the upper side of the first rotating shaft 4 is fixedly connected with a second connecting block 803, the second connecting block 803 is fixedly connected with the output shaft of the driving motor 2, one side of the first gear 802 is provided with a second gear 804, the second gear 804 is rotatably connected with the mounting table 101, the upper and lower sides of the second gear 804 are provided with transmission shafts 805, the transmission shafts 805 are provided with a transmission belt 806 between the second connecting block 803 and the first connecting block 801, the contact surfaces of the first connecting block 801, the first gear 802 and the second connecting block 803 are provided with rolling grooves 807, and the rolling grooves 807 are provided with rolling balls 808; the driving motor 2 drives the second connecting block 803 to rotate, and drives the second gear 804 to rotate in the same direction by means of the transmission belt 806 and the transmission shafts 805, so that the first connecting block 801 and the second connecting block 803 rotate in the same direction, and the second gear 804 drives the first gear 802 to rotate in the opposite direction, so that the third rotating shaft 6 and the first rotating shaft 4 rotate in the forward direction and the second rotating shaft 5 rotates in the reverse direction, and the stirring rod 7 rotates in different directions.

[0024] Please refer to Figure 4 In the embodiment, the filter assembly comprises a first connecting seat 901, a second connecting seat 902 and a filter screen plate 903, one end of the discharge pipe 105 is provided with the first connecting seat 901, one side of the second connecting seat 902 is provided with the second connecting seat 902, the connecting position of the first connecting seat 901 and the second connecting seat 902 is provided with the filter screen plate 903, one side of the first connecting seat 901 is provided with a first connecting ring 904, one side of the second connecting seat 902 is provided with a second connecting ring 905, the inner ring diameter of the first connecting ring 904 is consistent with the outer ring diameter of the second connecting ring 905, and the contact positions of the first connecting ring 904, the second connecting ring 905 and the filter screen plate 903 are provided with sealing rings 906; in use, the second connecting ring 905 is inserted into the first connecting ring 904 to clamp the filter screen plate 903 between the first connecting seat 901 and the second connecting seat 902, and solid large particles are blocked when water flows through the filter screen plate 903.

[0025] In use, the material is put into the dosing bucket 1 from the feeding pipe 103, the driving motor 2 drives the second connecting block 803 to rotate, and the transmission belt 806 and the transmission shaft 805 drive the second gear 804 to rotate in the same direction, so that the first connecting block 801 and the second connecting block 803 rotate in the same direction, and the second gear 804 drives the first gear 802 to rotate in the opposite direction, so that the third rotating shaft 6 and the first rotating shaft 4 rotate in the positive direction and the second rotating shaft 5 rotates in the opposite direction, and the stirring rod 7 rotates in different directions to stir the material, accelerate the dissolution of solid particles, and prevent the liquid from forming vortex when rotating in the same direction, then the suction pump 3 starts to suck the liquid out of the dosing bucket 1, and the filter screen 903 filters the liquid to prevent solid particles from entering the suction pump 3 and the conveying pipeline to form blockage.

[0026] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range of the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A sewage treatment dosing device, comprising a dosing barrel (1); characterized in that: It also includes a stirring rod (7) and a filter assembly, the upper side of the dosing barrel (1) is provided with a driving motor (2), the inner side of the dosing barrel (1) is provided with a first rotating shaft (4), the outer side of the first rotating shaft (4) is provided with a second rotating shaft (5), the outer side of the second rotating shaft (5) is provided with a third rotating shaft (6), the outer side of the first rotating shaft (4), the second rotating shaft (5) and the third rotating shaft (6) is provided with a stirring rod (7), the upper side of the dosing barrel (1) is provided with a suction pump (3), the connecting part of the suction pump (3) and the dosing barrel (1) is provided with a filter assembly.

2. The dosing device for sewage treatment according to claim 1, characterized in that: The upper side of the dosing barrel (1) is provided with a mounting table (101), the upper side of the mounting table (101) is provided with a mounting frame (102), and the mounting frame (102) is fixedly connected with the mounting table (101) and the driving motor (2).

3. The dosing device for sewage treatment according to claim 1, characterized in that: The upper side of the dosing barrel (1) is provided with a feeding pipe (103), the upper side of the feeding pipe (103) is provided with a screw cap (104), and the bottom of the dosing barrel (1) is provided with a discharging pipe (105).

4. The dosing device for sewage treatment according to claim 1, characterized in that: The upper side of the third rotating shaft (6) is fixedly connected with a first connecting block (801), the upper side of the second rotating shaft (5) is fixedly connected with a first gear (802), and the upper side of the first rotating shaft (4) is fixedly provided with a second connecting block (803), and the output shaft of the driving motor (2) is fixedly connected with the second connecting block (803).

5. The dosing device for sewage treatment according to claim 4, characterized in that: One side of the first gear (802) is provided with a second gear (804), the second gear (804) is rotatably connected with the mounting table (101), the upper and lower sides of the second gear (804) are provided with transmission shafts (805), the transmission shafts (805) are provided with a transmission belt (806) between the second connecting block (803) and the first connecting block (801), and the contact surfaces of the first connecting block (801), the first gear (802) and the second connecting block (803) are provided with rolling grooves (807), and the rolling grooves (807) are provided with rolling balls (808).

6. The dosing device for sewage treatment according to claim 3, characterized in that: The filter assembly comprises a first connecting seat (901), a second connecting seat (902) and a filter screen plate (903), one end of the discharging pipe (105) is provided with the first connecting seat (901), one side of the second connecting seat (902) is provided with the second connecting seat (902), and the connecting part of the first connecting seat (901) and the second connecting seat (902) is provided with the filter screen plate (903).

7. The dosing device for sewage treatment according to claim 6, characterized in that: One side of the first connecting seat (901) is provided with a first connecting ring (904), one side of the second connecting seat (902) is provided with a second connecting ring (905), the inner ring diameter of the first connecting ring (904) is consistent with the outer ring diameter of the second connecting ring (905), and the contact parts of the first connecting ring (904) and the second connecting ring (905) and the filter screen plate (903) are provided with sealing rings (906).

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