CN215711905U

CN215711905U - Dissolved air flotation device for sewage treatment

Info

Publication number: CN215711905U
Application number: CN202122146634.6U
Authority: CN
Inventors: 郭文恩; 毛祥华; 张建敏
Original assignee: Fujian Haining Environmental Protection Technology Co ltd
Current assignee: Fujian Haining Environmental Protection Technology Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-02-01
Anticipated expiration: 2031-09-07

Abstract

The utility model relates to the technical field of sewage treatment, in particular to a dissolved air flotation device for sewage treatment; including the air supporting groove, it is connected with first cylinder and second cylinder to rotate on the support, be provided with first conveyer belt between first cylinder and the second cylinder, it is connected with third cylinder and fourth cylinder to rotate on the third mounting bracket, be provided with the second conveyer belt between third cylinder and the fourth cylinder, the lateral wall of fourth mounting bracket rotates and is connected with the rolling disc, the even rigid coupling in the outside of rolling disc has a plurality of connecting rods, one side rigid coupling that the rolling disc was kept away from to the connecting rod has rotatory ring, rotatory lateral wall rigid coupling has a plurality of collection fill. The utility model has the functions of driving the suspended matters to move rightwards and discharging the suspended matters out of the air floating groove, can automatically clean the suspended matters and has the advantage of convenient use.

Description

Dissolved air flotation device for sewage treatment

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a dissolved air flotation device for sewage treatment.

Background

The dissolved air flotation is that air sent to an air tank by an air compressor is brought into a dissolved air tank through a jet device, is forcibly dissolved in water under the pressure of 0.35Mpa to form dissolved air water, and is sent to an air flotation tank, under the condition of sudden release, the air dissolved in the water is separated out to form a large amount of micro-bubble groups, and the micro-bubble groups are fully contacted with suspended matters in the sewage which is sent by a pump and is flocculated after being added with drugs, and are adsorbed in the flocculated suspended matters in the slow rising process.

A dissolve gas air supporting device for sewage treatment, most devices are through bubble absorption suspended solid upwards suspension, but when clearing up the suspended solid, generally all clear up through the manpower, and the very inconvenient use that is not convenient for.

Therefore, a dissolved air flotation device for sewage treatment is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a dissolved air flotation device for sewage treatment, which aims to solve the problems in the prior art.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

a dissolved air flotation device for sewage treatment comprises an air flotation groove, wherein a first mounting frame is arranged on the outer wall of the left side of the air flotation groove, an air compressor and a jet device are arranged on the first mounting frame, the air compressor and the jet device are connected through an air duct, the output end of the jet device is connected with an air pipe, the air pipe extends into the air flotation groove and is arranged, a plurality of air outlets are arranged on the air pipe, a second mounting frame is arranged at the top of the air flotation groove, a first rotating motor and a second rotating motor are arranged at the top of the second mounting frame, a support is arranged below the second mounting frame, a first roller and a second roller are rotatably connected onto the support, a first conveying belt is arranged between the first roller and the second roller, stirring pieces are arranged on the first conveying belt at equal intervals, and the output end of the first rotating motor is connected with the first roller through a belt, the right side wall of the air flotation groove is provided with a third mounting rack, a third roller and a fourth roller are rotatably connected on the third mounting rack, a second conveyor belt is arranged between the third roller and the fourth roller, the second conveyor belt is provided with material guide plates at equal intervals, the output end of the second rotating motor is connected with a fourth roller through a belt, a fourth mounting rack is arranged on the right side of the air flotation groove, the side wall of the fourth mounting rack is rotatably connected with a rotating disc, a plurality of connecting rods are uniformly and fixedly connected with the outer side of the rotating disc, a rotating ring is fixedly connected to one side of the connecting rod, which is far away from the rotating disc, the rotating disc and the rotating ring are distributed in a concentric circle outward expansion structure, the side wall of the rotating ring is fixedly connected with a plurality of collecting hoppers, the outer side of the rotating disc is provided with a driven chain disc, and a driving chain disc is arranged on the side wall of the fourth roller and is connected with the driven chain disc through a transmission chain.

Specifically, a sliding groove is formed in the lower portion of the fourth mounting frame, a material collecting box is connected to the sliding groove in a sliding mode and is arranged below the rotating ring.

Specifically, the collecting hopper is of a trapezoidal structure, and the cross sectional area of the opening at the top of the collecting hopper is larger than that of the bottom of the collecting hopper.

Specifically, the left side outer wall in air supporting groove still is provided with the feeder hopper, the bottom of feeder hopper is connected with the conveying pipe, the bottom and the fixed intercommunication of gas-supply pipe of conveying pipe, the gas-supply pipe surface is provided with the pressure valve.

Specifically, the width of the second conveyor belt is smaller than that of the collecting hopper and larger than that of the first conveyor belt.

The utility model has the beneficial effects that: the air compressor, the jet device, the air delivery pipe and the air outlet are arranged, so that air can be pumped into the air floatation groove, the function of forming air bubble groups is achieved, suspended matters can be driven to float to the water surface through air bubbles, and the air floatation device has the advantage of convenience in use; through setting up first rotation motor, second rotation motor, first cylinder, second cylinder, first conveyer belt, third cylinder, fourth cylinder, second conveyer belt, rolling disc, rotatory ring and collecting the fill, have and drive the suspended solid and remove right and discharge the suspended solid outside the air supporting groove function, can carry out the automatic clearance to the suspended solid, have convenient to use's advantage.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of the embodiment A of the present invention.

Reference numerals: the device comprises an air flotation tank 1, an air compressor 2, a jet device 3, a pressure valve 4, a feed hopper 5, a feed pipe 6, a first rotating motor 7, a belt 8, a first roller 9, a first conveyor belt 10, a plectrum 11, a second rotating motor 12, a support 13, a second roller 14, an air conveying pipe 15, an air outlet 16, a third roller 17, a third mounting frame 18, a material collecting box 19, a collecting hopper 20, a transmission chain 21, a rotating disc 22, a driven chain disc 23, a connecting rod 24, a rotating ring 25, a fourth roller 26 and a driving chain disc 27.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to the attached drawings 1-2, a dissolved air flotation device for sewage treatment comprises an air flotation tank 1, wherein a first mounting frame is arranged on the outer wall of the left side of the air flotation tank 1, an air compressor 2 and a jet device 3 are arranged on the first mounting frame, the air compressor 2 and the jet device 3 are connected through an air duct, an output end of the jet device 3 is connected with an air pipe 15, the air pipe 15 extends into the air flotation tank 1, a plurality of air outlets 16 are arranged on the air pipe 15, a second mounting frame is arranged at the top of the air flotation tank 1, a first rotating motor 7 and a second rotating motor 12 are arranged at the top of the second mounting frame, a support 13 is arranged below the second mounting frame, a first roller 9 and a second roller 14 are rotatably connected onto the support 13, a first conveying belt 10 is arranged between the first roller 9 and the second roller 14, the automatic material distribution device is characterized in that shifting pieces 11 are arranged on the first conveyor belt 10 at equal intervals, the output end of the first rotating motor 7 is connected with a first roller 9 through a belt 8, a third mounting frame 18 is arranged on the right side wall of the air flotation tank 1, a third roller 17 and a fourth roller 26 are connected to the third mounting frame 18 in a rotating mode, a second conveyor belt is arranged between the third roller 17 and the fourth roller 26, material guide plates are arranged on the second conveyor belt at equal intervals, the output end of the second rotating motor 12 is connected with the fourth roller 26 through the belt 8, a fourth mounting frame is arranged on the right side of the air flotation tank 1, a rotating disc 22 is connected to the side wall of the fourth mounting frame in a rotating mode, a plurality of connecting rods 24 are evenly and fixedly connected to the outer side of the rotating disc 22, a rotating ring 25 is fixedly connected to one side, far away from the rotating disc 22, of the connecting rods 24 and the rotating disc 22 and the rotating ring 25 are distributed in a concentric circle outward expansion structure, a plurality of collecting hoppers 20 are fixedly connected to the side wall of the rotating ring 25, a driven chain disc 23 is arranged on the outer side of the rotating disc 22, a driving chain disc 27 is arranged on the side wall of the fourth roller 26, and the driving chain disc 27 is connected with the driven chain disc 23 through a transmission chain 21; according to the utility model, the air compressor 2, the jet device 3, the air delivery pipe 15 and the air outlet 16 are arranged, so that air can be pumped into the air floatation tank 1, the function of forming air bubble groups is achieved, suspended matters can be driven to float to the water surface through air bubbles, and the air floatation device has the advantage of convenience in use; through setting up first rotating electrical machines 7, second rotating electrical machines 12, first cylinder 9, second cylinder 14, first conveyer belt 10, third cylinder 17, fourth cylinder 26, second conveyer belt, rolling disc 22, rotatory ring 25 and collection fill 20, have and drive the suspended solid and move to the right and discharge the suspended solid function outside the air supporting groove 1, can carry out automatic clearance to the suspended solid, have convenient to use's advantage.

Specifically, a chute is formed below the fourth mounting frame, a material collecting box 19 is connected in the chute in a sliding manner, and the material collecting box 19 is arranged below the rotating ring 25; through setting up the case 19 that gathers materials, be convenient for collect the suspended solid, through setting up spout and gather materials sliding connection between the case 19, be convenient for take off the case 19 that gathers materials, clear up the suspended solid, the practicality is strong.

Specifically, the collecting hopper 20 is of a trapezoidal structure, and the cross-sectional area of the opening at the top of the collecting hopper 20 is larger than the cross-sectional area of the bottom of the collecting hopper 20.

Specifically, a feed hopper 5 is further arranged on the outer wall of the left side of the air flotation groove 1, a feed pipe 6 is connected to the bottom of the feed hopper 5, the bottom end of the feed pipe 6 is fixedly communicated with an air conveying pipe 15, and a pressure valve 4 is arranged on the outer surface of the air conveying pipe 15; the feeding hopper 5 has the functions of adding a coagulant and a flotation agent, can promote the coagulation of suspended matters, enables the surfaces of hydrophilic particles to be converted into hydrophobic substances to float upwards along with bubbles, and has the advantage of convenient use.

Specifically, the width of the second conveyor belt is smaller than the width of the collecting hopper 20 and larger than the width of the first conveyor belt 10, so that suspended matters can be collected conveniently.

The working process of the utility model is as follows: when the device is used, the first rotating motor 7 and the second rotating motor 12 are started, air can be pumped into the air floatation tank 1 by utilizing the air compressor 2, the jet device 3, the air conveying pipe 15 and the air outlet 16, the function of forming air bubble groups is achieved, suspended matters can be driven to float to the water surface through air bubbles, and the device has the advantage of convenience in use; in addition, a coagulant and a flotation agent can be placed in the feed hopper 5 and discharged into sewage together with air through the feed pipe 6, so that suspended matters are promoted to be condensed, hydrophilic particles are converted into hydrophobic substances to be adhered to bubbles and float up to the water surface along with the bubbles; utilize first rotation motor 7, can drive first cylinder 9 and rotate, and then drive first conveyer belt 10 and rotate to utilize plectrum 11 to remove the suspended solid to first conveyer belt 10 on, rotate motor 12 through the second and drive fourth cylinder 26 and rotate and fourth cylinder 26 drives rolling disc 22 and rotate, and then drive the suspended solid and discharge the air supporting groove 1 outside, the suspended solid falls into and collects in fighting 20, in the case 19 that gathers materials with the suspended solid conveying belt again.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. A dissolved air flotation device for sewage treatment comprises an air flotation groove and is characterized in that a first mounting frame is arranged on the outer wall of the left side of the air flotation groove, an air compressor and a jet device are arranged on the first mounting frame, the air compressor and the jet device are connected through an air duct, the output end of the jet device is connected with an air pipe, the air pipe extends into the air flotation groove and is arranged, a plurality of air outlets are formed in the air pipe, a second mounting frame is arranged at the top of the air flotation groove, a first rotating motor and a second rotating motor are arranged at the top of the second mounting frame, a support is arranged below the second mounting frame, a first roller and a second roller are rotatably connected to the support, a first conveying belt is arranged between the first roller and the second roller, stirring pieces are arranged on the first conveying belt at equal intervals, and the output end of the first rotating motor is connected with the first roller through a belt, the right side wall of the air flotation groove is provided with a third mounting rack, a third roller and a fourth roller are rotatably connected on the third mounting rack, a second conveyor belt is arranged between the third roller and the fourth roller, the second conveyor belt is provided with material guide plates at equal intervals, the output end of the second rotating motor is connected with a fourth roller through a belt, a fourth mounting rack is arranged on the right side of the air flotation groove, the side wall of the fourth mounting rack is rotatably connected with a rotating disc, a plurality of connecting rods are uniformly and fixedly connected with the outer side of the rotating disc, a rotating ring is fixedly connected to one side of the connecting rod, which is far away from the rotating disc, the rotating disc and the rotating ring are distributed in a concentric circle outward expansion structure, the side wall of the rotating ring is fixedly connected with a plurality of collecting hoppers, the outer side of the rotating disc is provided with a driven chain disc, and a driving chain disc is arranged on the side wall of the fourth roller and is connected with the driven chain disc through a transmission chain.

2. The dissolved air flotation device for sewage treatment according to claim 1, wherein a chute is formed below the fourth mounting frame, a material collecting box is slidably connected in the chute, and the material collecting box is arranged below the rotating ring.

3. The dissolved air flotation device for sewage treatment according to claim 1, wherein the collecting hopper has a trapezoidal structure, and the cross-sectional area of the opening at the top of the collecting hopper is larger than the cross-sectional area of the bottom of the collecting hopper.

4. The dissolved air flotation device for sewage treatment according to claim 1, wherein a feed hopper is further arranged on the outer wall of the left side of the air flotation groove, a feed pipe is connected to the bottom of the feed hopper, the bottom end of the feed pipe is fixedly communicated with an air pipe, and a pressure valve is arranged on the outer surface of the air pipe.

5. The dissolved air flotation device for sewage treatment according to claim 1, wherein the width of the second conveyor belt is smaller than the width of the collection hopper and larger than the width of the first conveyor belt.