Wastewater treatment device convenient for dredging

Abstract

The utility model relates to the field of wastewater treatment, in particular to a wastewater treatment device convenient for desilting, which comprises a tank body, a servo motor and a top cover, a clamping block is fixedly mounted at the top of the top cover, a groove is formed in the top of the tank body, the clamping block is mounted in the groove in a clamping manner, and the periphery of the top cover is in threaded connection with the periphery of the inner wall of the bottom of the groove. The top cover is tightly connected with the tank body, the output end of the servo motor penetrates through the top cover and is fixedly provided with a rotating shaft, the two sides of the top of the rotating shaft are fixedly provided with a plurality of stirring blades, and the stirring blades can accelerate the reaction of wastewater and chemicals and accelerate the wastewater treatment speed; the two sides of the bottom of the rotating shaft are fixedly provided with scraping rods, and the side walls of the scraping rods are fixedly provided with brushes. The side face of the brush tightly abuts against the inner wall of the bottom of the tank body, the brush rotates along with the rotating shaft to wash the inner wall of the tank body, and sludge and impurities adhering to the inner wall of the tank body in the wastewater treatment process can be cleaned away.

Description

Technical Field

[0001] The utility model relates to the field of wastewater treatment, in particular to a wastewater treatment device which is convenient for dredging. Background Art

[0002] Wastewater treatment is the use of physical, chemical and biological methods to treat wastewater, purify the wastewater, reduce pollution, and even recycle and reuse wastewater to make full use of water resources.

[0003] However, the prior art has the following defects:

[0004] Existing wastewater treatment technologies use physical, chemical or biological methods to react with pollutants in wastewater to produce precipitation, thereby achieving recycling and reuse. However, the precipitation and sludge produced will stick to and remain inside the wastewater treatment device, making them difficult to clean. Utility Model Content

[0005] The purpose of the utility model is to provide a wastewater treatment device which is convenient for desilting, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wastewater treatment device that is easy to dredge, comprising a tank body, a servo motor and a top cover, the top of the tank body is provided with a groove, a clamping block is fixedly installed on the top of the top cover, the clamping block is clamped and installed inside the groove, a first circular through hole is provided in the middle of the top cover, a rotating shaft is fixedly installed on the output end of the servo motor through the first circular through hole, a plurality of stirring blades are fixedly installed on both sides of the top of the rotating shaft, and scrapers are fixedly installed on both sides of the bottom of the rotating shaft.

[0007] The above technical solution is adopted. The block at the bottom of the top cover is snap-fitted and installed on the top of the tank body. The connection is tight and can prevent the top cover from falling off. The first circular through hole is convenient for the output end of the servo motor to pass through, so that the servo motor is connected to the rotating shaft. The top cover is detachable, which is convenient for repairing and replacing internal parts. The scraper rod can scrape off the sediment and silt adhered to the inner wall of the bottom of the tank body for automatic cleaning.

[0008] The top cover is provided with first threaded through holes on all sides, and the inner wall of the bottom of the groove is provided with second threaded through holes on all sides. The first threaded through holes are threadedly connected with the second threaded through holes via second bolts.

[0009] By adopting the above technical solution, the top cover is threadedly connected to the inner wall of the bottom of the groove by a second bolt, which further ensures that the top cover is firmly installed on the tank body, avoids the top cover from shaking due to the rotation of the servo motor, and prevents extrusion and wear between the outer wall of the top cover and the inner wall of the groove.

[0010] A second round through hole is opened on one side of the top cover, a water inlet pipe is fixedly installed on the top of the second round through hole, and a sealing ring is bonded to the outer wall of the block.

[0011] By adopting the above technical solution, the second circular through hole is connected to the water inlet pipe, which facilitates the wastewater to enter the wastewater treatment device. The sealing ring on the outer wall of the block can enhance the sealing of the connection between the top cover and the tank body to prevent wastewater from leaking.

[0012] An annular mounting seat is fixedly installed on the outer wall of the middle part of the servo motor, and "L"-shaped legs are fixedly installed around the bottom of the annular mounting seat. Both ends of the bottom of the "L"-shaped legs are provided with third threaded through holes, and the "L"-shaped legs are threadedly connected to the top of the top cover through a first bolt.

[0013] The above technical solution is adopted, in which the servo motor is connected to the top cover through an annular mounting seat and an "L"-shaped leg. The "L"-shaped leg plays a supporting role, which can ensure the stable installation of the servo motor and the servo motor is detachable.

[0014] A medicine inlet is fixedly installed on one side of the top of the tank body, a water outlet is fixedly installed on one side of the bottom of the tank body, a sedimentation area is provided at the bottom of the tank body, and a sewage outlet is fixedly installed in the middle of the bottom of the sedimentation area.

[0015] The above technical solution is adopted, the drug inlet of the solution is convenient for inputting biological or chemical agents, the water outlet is convenient for discharging water resources after treatment, the sedimentation area is convenient for precipitation of impurities and sediments, and the sewage outlet is convenient for discharging impurities, sludge and pollutants.

[0016] A solenoid valve is fixedly installed on the inner wall of the top of the sewage outlet.

[0017] By adopting the above technical solution, the solenoid valve is closed during wastewater treatment, which can prevent the discharge of water resources leading to waste and prevent the low wastewater recycling rate. When cleaning sludge and impurities, the solenoid valve is opened to facilitate their discharge from the sewage outlet.

[0018] The shape of the scraper rod is the same as the cross-sectional shape of the sedimentation area. A brush is fixedly mounted on the side wall of the scraper rod. The side surfaces of the two brushes are in close contact with the inner walls on both sides of the sedimentation area.

[0019] By adopting the above technical solution, the shape of the scraper rod is the same as the shape of the side wall of the sedimentation area, which can ensure that all the sludge on the inner wall of the sedimentation area is scraped off, the brush is in close contact with the inner wall, and the scraper rod rotates with the rotating shaft, which can drive the brush to scrape off the sludge on the inner wall of the sedimentation area for easy cleaning.

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] The rotating shaft of the utility model rotates with the servo motor, and the stirring blades at the top and middle of the rotating shaft can accelerate the mixing reaction of substances and reagents in the wastewater. The scraper rod at the bottom of the rotating shaft rotates accordingly, which can drive the brush to scrub the inside of the bottom of the tank body, making it easy to clean sludge and impurities. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the connection structure between the tank body and the top cover of the utility model;

[0024] Figure 3 This is a schematic diagram of the bottom structure of the top cover of the utility model;

[0025] Figure 4 It is a schematic plan view of the internal structure of the utility model;

[0026] Figure 5 It is a schematic plan view of the structure of the stirring part in the utility model.

[0027] In the figure: 1. tank body; 2. water inlet pipe; 3. servo motor; 4. annular mounting seat; 5. "L"-shaped leg; 6. first bolt; 7. second bolt; 8. top cover; 9. water outlet; 10. sedimentation area; 11. sewage outlet; 12. medicine inlet; 13. first threaded through hole; 14. first round through hole; 15. block; 16. groove; 17. second threaded through hole; 18. second round through hole; 19. third threaded through hole; 20. rotating shaft; 21. stirring blade; 22. scraper rod; 23. solenoid valve; 24. brush. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-5The utility model provides a wastewater treatment device that is convenient for dredging, including a tank body 1, a servo motor 3 and a top cover 8. A groove 16 is provided on the top of the tank body 1, and a clamping block 15 is fixedly installed on the top of the top cover 8. The clamping block 15 is clamped and installed in the inside of the groove 16. A first round through hole 14 is provided in the middle of the top cover 8. The output end of the servo motor 3 is inserted through the first round through hole 14 and a rotating shaft 20 is fixedly installed. A plurality of stirring blades 21 are fixedly installed on both sides of the top of the rotating shaft 20, and scrapers 22 are fixedly installed on both sides of the bottom of the rotating shaft 20. The clamping block 15 is clamped and installed in the groove 16. The top cover 8 is tightly connected to the tank body 1, and the first round through hole 14 is convenient for the output end of the servo motor 3 to pass through.

[0030] First threaded through holes 13 are provided on all sides of the top cover 8, and second threaded through holes 17 are provided on all sides of the bottom inner wall of the groove 16. The first threaded through holes 13 and the second threaded through holes 17 are threadedly connected via second bolts 7. The top cover 8 is threadedly connected to the bottom inner wall of the groove 16 on all sides, making the installation more secure and preventing the top cover 8 from shaking.

[0031] A second circular through hole 18 is opened on one side of the top cover 8, and a water inlet pipe 2 is fixedly installed on the top of the second circular through hole 18. A sealing ring is bonded to the outer wall of the block 15. The water inlet pipe 2 facilitates the wastewater to enter the wastewater treatment device. The sealing ring can ensure that the connection between the top cover 8 and the tank body 1 has good sealing performance and can prevent wastewater from seeping out.

[0032] An annular mounting seat 4 is fixedly installed on the outer wall in the middle of the servo motor 3, and "L"-shaped legs 5 are fixedly installed around the bottom of the annular mounting seat 4. Third threaded through holes 19 are opened at both ends of the bottom of the "L"-shaped legs 5. The "L"-shaped legs 5 are threadedly connected to the top of the top cover 8 through the first bolts 6. The servo motor 3 is threadedly connected to the top cover 8 and is detachable for replacement and repair. The "L"-shaped legs 5 support the servo motor 3.

[0033] A drug inlet 12 is fixedly installed on one side of the top of the tank body 1, a water outlet 9 is fixedly installed on one side of the bottom of the tank body 1, a sedimentation area 10 is provided at the bottom of the tank body 1, and a sewage outlet 11 is fixedly installed in the middle of the bottom of the sedimentation area 10. The drug inlet 12 is convenient for the entry of chemical agents, the water outlet 9 is convenient for the discharge of treated water resources, and the sewage outlet 11 is convenient for the discharge of sewage containing silt impurities and the like.

[0034] A solenoid valve 23 is fixedly mounted on the inner wall of the top of the sewage outlet 11 , and the solenoid valve 23 can be opened or closed according to actual conditions.

[0035] The shape of the scraper rod 22 is the same as the cross-sectional shape of the sedimentation area 10 , and a brush 24 is fixedly installed on the side wall of the scraper rod 22 . The sides of the two brushes 24 are tightly in contact with the inner walls on both sides of the sedimentation area 10 , and the brushes 24 can scrub and clean the silt and sediment adhered to the inner wall of the sedimentation area 10 .

[0036] Working principle: When the utility model is used, first pour the wastewater from the water inlet pipe 2 into the wastewater treatment device, then pour the chemical and biological agents from the drug inlet 12, turn on the servo motor 3 to drive the rotating shaft 20 to rotate, and the stirring blade 21 rotates with the rotating shaft 20 to accelerate the reaction between the wastewater and the agent, speed up the wastewater treatment, and complete the wastewater reaction. Enter the precipitation area 10 and start the precipitation reaction. During the reaction process, the sludge in the wastewater will precipitate and adhere to the inner wall at the bottom of the tank body 1. The treated water resources are discharged from the water outlet 9. After the wastewater treatment is completed, pour in clean water, start the servo motor 3, clean the tank body 1, and the brush 24 on the side of the scraper rod 22 rotates with the rotating shaft 20 to scrub the inner wall of the tank body 1, which can well clean the sludge on the inner wall.

[0037] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A wastewater treatment device for dredging, comprising a tank body (1), a servo motor (3) and a top cover (8), characterized in that: The top of the tank body (1) is provided with a groove (16), the top of the top cover (8) is fixedly provided with a block (15), the block (15) is snap-fitted and installed inside the groove (16), the middle of the top cover (8) is provided with a first round through hole (14), the output end of the servo motor (3) is inserted through the first round through hole (14) and fixedly provided with a rotating shaft (20), a plurality of stirring blades (21) are fixedly provided on both sides of the top of the rotating shaft (20), and scraping rods (22) are fixedly provided on both sides of the bottom of the rotating shaft (20).

2. A wastewater treatment device for dredging according to claim 1, characterized in that: The top cover (8) is provided with first threaded through holes (13) on all sides, and the bottom inner wall of the groove (16) is provided with second threaded through holes (17) on all sides. The first threaded through holes (13) and the second threaded through holes (17) are threadedly connected via second bolts (7).

3. A wastewater treatment device for dredging according to claim 2, characterized in that: A second round through hole (18) is provided on one side of the top cover (8), a water inlet pipe (2) is fixedly mounted on the top of the second round through hole (18), and a sealing ring is bonded to the outer wall of the clamping block (15).

4. A wastewater treatment device for dredging according to claim 1, characterized in that: An annular mounting seat (4) is fixedly mounted on the outer wall of the middle part of the servo motor (3), and "L"-shaped legs (5) are fixedly mounted around the bottom of the annular mounting seat (4). Both ends of the bottom of the "L"-shaped legs (5) are provided with third threaded through holes (19), and the "L"-shaped legs (5) are threadedly connected to the top of the top cover (8) via a first bolt (6).

5. A wastewater treatment device for dredging according to claim 1, characterized in that: A drug inlet (12) is fixedly mounted on one side of the top of the tank body (1), a water outlet (9) is fixedly mounted on one side of the bottom of the tank body (1), a sedimentation area (10) is provided at the bottom of the tank body (1), and a sewage outlet (11) is fixedly mounted in the middle of the bottom of the sedimentation area (10).

6. A wastewater treatment device for dredging according to claim 5, characterized in that: A solenoid valve (23) is fixedly mounted on the inner wall of the top of the sewage outlet (11).

7. A wastewater treatment device for dredging according to claim 1, characterized in that: The shape of the scraper rod (22) is the same as the cross-sectional shape of the sedimentation area (10), and a brush (24) is fixedly mounted on the side wall of the scraper rod (22), and the side surfaces of the two brushes (24) are in close contact with the inner walls of the sedimentation area (10) on both sides.

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