CN216005470U

CN216005470U - Automatic dosing and filtering device for sewage treatment

Info

Publication number: CN216005470U
Application number: CN202122538306.0U
Authority: CN
Inventors: 宁静; 张伟; 李明轩
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-03-11
Anticipated expiration: 2031-10-21

Abstract

The utility model discloses an automatic dosing and filtering device for sewage treatment, in particular to the technical field of sewage treatment, which comprises a filtering box, wherein a filtering net is arranged in the filtering box, a transmission rod is arranged in the filtering net, four scraping plates are arranged on the upper end surface and the lower end surface of the filtering net, and an aeration mechanism is arranged below the scraping plates; the aeration mechanism comprises a connecting pipe arranged below the scraping plate. The utility model discloses a set up aeration mechanism, start booster fan and make the suction pipe produce suction, in the outside air pours into first injection pipe, in the air pours into the circular aeration pipe of second into by the input tube into, to the adhesion produce an ascending buoyancy at the coarse grain suspended solid and the fine grain suspended solid of filter screen top surface like this, buoyancy is more comprehensive to avoid coarse grain suspended solid and fine grain suspended solid to block up the filtration pore on the filter screen, prevent stifled better effect, guarantee good filterability.

Description

Automatic dosing and filtering device for sewage treatment

Technical Field

The utility model relates to a sewage treatment technical field, more specifically say, the utility model relates to an automatic reagent feeding filter equipment for sewage treatment.

Background

In the sewage treatment process, a coagulant is required to be added, the coagulant is mainly used for purifying domestic drinking water and industrial wastewater and treating special water quality (such as oily sewage, printing and dyeing and papermaking sewage, smelting sewage, sewage containing radioactive characteristics, toxic heavy metals such as Pb, Cr and the like, sewage containing F and the like), and the coagulant also has wide application in the aspects of precision casting, petroleum drilling, tanning, metallurgy and papermaking and the like.

In the actual use process, after the sewage and the coagulant liquid medicine are mixed in the filtering device, larger coarse-grained suspended matters and fine-grained suspended matters can be generated, and the following defects can be generated along with the continuous accumulation of the coarse-grained suspended matters and the fine-grained suspended matters;

after the coarse particle suspended matter and the fine particle suspended matter are filtered by the filter screen, the fine particle suspended matter and the coarse particle suspended matter can block gaps between the filter screens, so that the filter screen is blocked, and the effect of filtering and removing sewage is poor.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides an automatic reagent feeding filter equipment for sewage treatment, through setting up aeration mechanism, to the adhesion at the coarse grain suspended solid and the upward buoyancy of fine grain suspended solid production of filter screen top surface like this, buoyancy is more comprehensive to avoid coarse grain suspended solid and fine grain suspended solid to block up the filtration pore on the filter screen, prevent stifled effect better, guarantee good filterability, in order to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an automatic dosing and filtering device for sewage treatment comprises a filtering box, wherein a filtering screen is arranged in the filtering box, a transmission rod is arranged in the filtering screen, four scraping plates are arranged on the upper end surface and the lower end surface of the filtering screen, and an aeration mechanism is arranged below the scraping plates;

aeration equipment is including setting up the connecting pipe in the scraping plate below, connecting pipe one end is connected with inserts the pipe, the connecting pipe other end is connected with first circular aeration pipe, first circular aeration pipe one side is connected with the input tube, input tube one end intercommunication has the circular aeration pipe of second, the circular aeration pipe of second and first circular aeration pipe top all are provided with a plurality of shower nozzles, it is connected with first injection pipe to insert the socle end, booster fan is installed on first injection pipe top, booster fan input intercommunication has the suction pipe.

In a preferred embodiment, the transmission rod is movably connected with the filter screen, and two ends of the connecting pipe are respectively communicated with the access pipe and the first circular aeration pipe.

In a preferred embodiment, a driving motor is mounted at the top end of the transmission rod, and the output end of the driving motor is in coaxial transmission connection with the transmission rod.

In a preferred embodiment, an inlet pipe communicated with the filter box is installed above the booster fan, and the vertical cross section of the inlet pipe is in an L shape.

In a preferred embodiment, the second circular aeration pipe is communicated with the upper spray head, and the second circular aeration pipe is similar to the first circular aeration pipe in shape and different in size.

In a preferred embodiment, a dosing box is installed on one side of the filter box, a return pipe is arranged inside the dosing box, a plurality of circulation pipes are installed on the upper surface of the return pipe close to the bottom end, the top end of the return pipe is connected with a first electric control valve, one end of the first electric control valve is connected with a shunt pipe, a suction pump machine is installed at the bottom end of the shunt pipe, a liquid medicine suction pipe is connected to the bottom end of the suction pump machine, a second electric control valve is installed at the top end of the shunt pipe, and one end of the second electric control valve is connected with a second injection pipe.

In a preferred embodiment, the circulating pipe is communicated with the return pipe, and two ends of the second electric control valve are respectively communicated with the dividing pipe and the second injection pipe.

The utility model discloses a technological effect and advantage:

1. by arranging the aeration mechanism, the booster fan is started to enable the suction pipe to generate suction force, external air is injected into the first injection pipe, the air is injected into the second circular aeration pipe through the input pipe, and then the second circular aeration pipe and the upper spray nozzles at the top end of the first circular aeration pipe are aerated and sprayed out, so that upward buoyancy is generated on coarse-grained suspended matters and fine-grained suspended matters adhered to the top surface of the filter screen, the buoyancy is more comprehensive, the situation that the coarse-grained suspended matters and the fine-grained suspended matters block filter holes in the filter screen is avoided, the anti-blocking effect is better, and good filtering performance is ensured;

2. the second electric control valve is closed to open the first electric control valve, the liquid medicine suction pipe enters the shunt pipe, the liquid medicine suction pipe is collected into the plurality of circulation pipes through the return pipe, and finally circulates into the dosing box, the second electric control valve is opened by closing the first electric control valve, the liquid medicine can be directly input into the filter box, the suction pump machine simultaneously plays the roles of injecting the liquid medicine and mixing the liquid medicine, the dual-purpose effect of one machine is achieved, the liquid medicine adding cost is reduced, and the practicability is better.

Drawings

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

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

Fig. 3 is a schematic view of the connection portion of the connection pipe and the access pipe of the present invention partially cut off the structure.

Fig. 4 is a schematic view of the structure of the joint between the return pipe and the circulation pipe of the present invention.

The reference signs are: 1. a filter box; 2. a filter screen; 3. a transmission rod; 4. scraping a plate; 5. a connecting pipe; 6. an access pipe; 7. a first circular aeration pipe; 8. an input tube; 9. a second circular aeration pipe; 10. an upper spray head; 11. a first injection pipe; 12. a booster fan; 13. a suction tube; 14. a drive motor; 15. an inlet pipe; 16. a dosing box; 17. a return pipe; 18. a circulation pipe; 19. a first electrically controlled valve; 20. a shunt tube; 21. a suction pump; 22. a medicinal liquid suction tube; 23. a second electrically controlled valve; 24. a second injection pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The automatic dosing and filtering device for sewage treatment as shown in the attached figures 1-4 comprises a filtering box 1, wherein a filtering net 2 is arranged in the filtering box 1, a transmission rod 3 is arranged in the filtering net 2, four scraping plates 4 are respectively arranged on the upper end surface and the lower end surface of the filtering net 2, and an aeration mechanism is arranged below the scraping plates 4;

aeration equipment is including setting up connecting pipe 5 in 4 below scraping the board, 5 one ends of connecting pipe are connected with and insert pipe 6, the 5 other ends of connecting pipe are connected with first

circular aeration pipe

7, 7 one side of first circular aeration pipe are connected with

input tube

8, 8 one end intercommunications of input tube have the circular aeration pipe 9 of second, the circular aeration pipe 9 of second and the 7 tops of first circular aeration pipe all are provided with a plurality of shower nozzles 10, insert 6 bottoms of pipe and be connected with first injection pipe 11, booster fan 12 is installed on 11 tops of first injection pipe, booster fan 12 input intercommunication has suction tube 13.

As shown in fig. 3, the transmission rod 3 is movably connected with the filter screen 2, two ends of the connecting pipe 5 are respectively communicated with the access pipe 6 and the first circular aeration pipe 7, so that the transmission rod 3 cannot drive the filter screen 2 to rotate when rotating, and the injected air is input into the access pipe 6 through the connecting pipe 5 and then enters the first circular aeration pipe 7.

As shown in fig. 2, a driving motor 14 is installed at the top end of the transmission rod 3, and the output end of the driving motor 14 is coaxially connected with the transmission rod 3 in a transmission manner, so that the driving motor 14 can drive the transmission rod 3 to rotate, and the transmission rod 3 generates a transmission force.

As shown in the attached figure 2, an inlet pipe 15 communicated with the filter box 1 is arranged above the booster fan 12, the vertical section of the inlet pipe 15 is L-shaped, so that sewage can be injected into the filter box 1 through the inlet pipe 15, and the filter screen 2 is used for filtering.

As shown in the attached drawing 3, the second circular aeration pipe 9 is communicated with the upper spray head 10, the second circular aeration pipe 9 is similar to the first circular aeration pipe 7 in shape and different in size, so that after air enters the first circular aeration pipe 7 and the second circular aeration pipe 9, the upper spray aeration is carried out by the upper spray heads 10, buoyancy is generated to carry out upward floating extrusion on meshes of the filter screen 2, and coarse suspended matters adhered to the meshes are effectively blown.

As shown in fig. 2 and 4, a dosing tank 16 is installed on one side of a filter tank 1, a return pipe 17 is installed inside the dosing tank 16, a plurality of circulation pipes 18 are installed on the upper surface of the return pipe 17 near the bottom end, a first electric control valve 19 is connected to the top end of the return pipe 17, a shunt pipe 20 is connected to one end of the first electric control valve 19, a suction pump 21 is installed at the bottom end of the shunt pipe 20, a liquid medicine suction pipe 22 is connected to the bottom end of the suction pump 21, a second electric control valve 23 is installed at the top end of the shunt pipe 20, a second injection pipe 24 is connected to one end of the second electric control valve 23, so that when coagulant is fed into the dosing tank 16 and water is simultaneously fed, after the coagulant is mixed with the water, the second electric control valve 23 can be closed to open the first electric control valve 19, a spray head 10 on the suction pump 21 is started to generate suction force, and the liquid medicine is sucked into the liquid medicine suction pipe 22, the mixed liquid medicine enters the shunt pipe 20 along the liquid medicine suction pipe 22, is input into the first electric control valve 19 from the shunt pipe 20, enters the return pipe 17 along the first electric control valve 19, is collected into the plurality of circulation pipes 18 through the return pipe 17, and is recirculated into the dosing tank 16 through the circulation pipes 18, so that the added mixed liquid medicine can circularly flow, is rapidly mixed with water to be proportioned, and generates mixed flow operation, after the mixing is finished, the first electric control valve 19 can be closed to open the second electric control valve 23, the mixed liquid medicine is input into the shunt pipe 20 to enter the second injection pipe 24, and is finally injected into the filter tank 1 through the second injection pipe 24, so that the mixed flow of water and liquid medicine can be formed, the liquid medicine mixing operation is rapidly realized, and simultaneously, one suction pump 21 plays a role in injecting the liquid medicine and mixing the liquid medicine.

As shown in fig. 4, the circulation pipe 18 is communicated with the return pipe 17, and two ends of the second electric control valve 23 are respectively communicated with the dividing pipe 20 and the second injection pipe 24, so that unmixed liquid medicine can be sucked through the circulation pipe 18 to form circulation, and the mixed liquid medicine can be finally input into the dividing pipe 20, enter the second injection pipe 24 and finally be injected into the filter tank 1.

The utility model discloses the theory of operation: when the device is used, sewage in the filter box 1 begins to be mixed with the medicament mixed liquid, so that a large amount of coarse-grained suspended matters and fine-grained suspended matters are generated in the sewage and accumulated on the upper surface of the filter screen 2, the driving motor 14 is started to drive the driving rod 3 to rotate, the driving rod 3 drives the scraping plate 4 to rotate, so that the upper surface and the lower surface of the filter screen 2 can be scraped, then the booster fan 12 is started to enable the suction pipe 13 to generate suction, external air is injected into the first injection pipe 11 and is injected into the access pipe 6 through the first injection pipe 11, the external air enters the connecting pipe 5 along the access pipe 6, enters the first circular aeration pipe 7 through the connecting pipe 5, enters the input pipe 8 along the first circular aeration pipe 7, is injected into the second circular aeration pipe 9 through the input pipe 8, and is finally sprayed out through the second circular aeration pipe 9 and the upper spray nozzles 10 at the top end of the first circular aeration pipe 7, a large amount of air of blowout produces the aeration operation, and the buoyancy that the aeration produced can carry out buoyancy through the filter hole of filter screen 2 to the coarse grain suspended solid of filter screen 2 top end face adhesion and support to make coarse grain suspended solid and fine grain suspended solid can not block up the filter hole of filter screen 2.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an automatic reagent feeding filter equipment for sewage treatment, includes rose box (1), its characterized in that: a filter screen (2) is arranged in the filter box (1), a transmission rod (3) is arranged in the filter screen (2), four scraping plates (4) are arranged on the upper end surface and the lower end surface of the filter screen (2), and an aeration mechanism is arranged below the scraping plates (4);

aeration equipment is including setting up connecting pipe (5) in scraping board (4) below, connecting pipe (5) one end is connected with inserts pipe (6), the connecting pipe (5) other end is connected with first circular aeration pipe (7), first circular aeration pipe (7) one side is connected with input tube (8), input tube (8) one end intercommunication has second circular aeration pipe (9), second circular aeration pipe (9) and first circular aeration pipe (7) top all are provided with a plurality of shower nozzles (10) of going up, insert pipe (6) bottom is connected with first injection pipe (11), booster fan (12) are installed on first injection pipe (11) top, booster fan (12) input intercommunication has suction tube (13).

2. The automatic dosing filter device for sewage treatment according to claim 1, characterized in that: the transmission rod (3) is movably connected with the filter screen (2), and two ends of the connecting pipe (5) are respectively communicated with the connecting pipe (6) and the first circular aeration pipe (7) in pairs.

3. The automatic dosing filter device for sewage treatment according to claim 1, characterized in that: and a driving motor (14) is installed at the top end of the transmission rod (3), and the output end of the driving motor (14) is in coaxial transmission connection with the transmission rod (3).

4. The automatic dosing filter device for sewage treatment according to claim 1, characterized in that: an inlet pipe (15) communicated with the filter box (1) is installed above the booster fan (12), and the vertical section of the inlet pipe (15) is L-shaped.

5. The automatic dosing filter device for sewage treatment according to claim 1, characterized in that: the second circular aeration pipe (9) is communicated with the upper spray head (10), and the second circular aeration pipe (9) is similar to the first circular aeration pipe (7) in shape and different in size.

6. The automatic dosing filter device for sewage treatment according to claim 1, characterized in that: the utility model discloses a suction pump machine, including rose box (1), return pipe (17) are close to bottom surface mounting and have a plurality of circulating pipes (18), return pipe (17) top is connected with first electric control valve (19), first electric control valve (19) one end is connected with shunt tubes (20), suction pump machine (21) are installed to shunt tubes (20) bottom, suction pump machine (21) bottom is connected with liquid medicine suction pipe (22), second electric control valve (23) are installed on shunt tubes (20) top, second electric control valve (23) one end is connected with second filling tube (24).

7. The automatic dosing filter device for sewage treatment according to claim 6, characterized in that: the circulating pipe (18) is communicated with the return pipe (17), and two ends of the second electric control valve (23) are respectively communicated with the shunt pipe (20) and the second injection pipe (24) in pairs.