Micro-nano bubble machine air flotation system

Abstract

The utility model discloses an air flotation system of a micro-nano bubble machine. The device comprises a micro-nano bubble machine, a pipeline connected with the micro-nano bubble machine, a stirring tank connected to the upstream of the air floatation tank in the water inlet direction, a sedimentation tank connected to the upstream of the stirring tank in the water inlet direction, a water inlet formed in one side of the top of the sedimentation tank and a water outlet connected to the bottom of the air floatation tank, wherein the pipeline is arranged at the bottom of the air floatation tank; through the arrangement of the pipeline, the generation of uniform tiny bubbles at the bottom of the air floatation tank is facilitated; through the arrangement of the main pipeline and the branch pipeline, the bottom of the air floatation tank is fully paved, and the air floatation quality is ensured; through the arrangement of the sedimentation tank, the filtering explosion tank and the stirring tank, the treatment in the early stage of air floatation is ensured, heavy impurities are removed, and the uniform distribution of suspended matters in water before air floatation is ensured; through the arrangement of the hanging frame and the sampling pipe, the detection of bubbles and water quality indexes in the water sample in the air flotation process and the water discharging and draining process is ensured, and the water treatment quality and efficiency are further improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to water treatment technical field, especially relate to a kind of micro-nano bubble machine air flotation system. BACKGROUND

[0002] When treating waste water or contaminated water, the solid particles in the water can be separated at high speed by air flotation process. The air flotation is achieved by attaching small bubbles to the suspended matter and lifting them to the surface of the air flotation tank. However, the general air flotation is dissolved air flotation, and the bubble size is not uniform, making it difficult to control the quality of air flotation. The air bubbles generated by micro-nano bubbles need to be pretreated to better control the quality of impurities in the water body. In addition, bubble control during the air flotation process is also needed to ensure the treatment accuracy and cost. Therefore, targeted design is required. SUMMARY

[0003] The utility model provides a kind of micro-nano bubble machine air flotation system to solve the technical problems such as pretreatment, pipeline layout and process control of air flotation tank containing micro-nano bubble machine.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A kind of micro-nano bubble machine air flotation system, comprising a micro-nano bubble machine, a pipeline connected to the micro-nano bubble machine, the pipeline is arranged at the bottom of the air flotation tank, a mixing tank connected to the upstream of the water inlet direction of the air flotation tank, a sedimentation tank connected to the upstream of the water inlet direction of the mixing tank, a water inlet arranged on one side of the top of the sedimentation tank, and a water outlet connected to the bottom of the air flotation tank.

[0006] The pipeline is fully paved at the bottom of the air flotation tank, and the pipeline comprises a main pipeline and a branch pipeline connected perpendicularly to the main pipeline. The branch pipeline is symmetrically arranged on both sides of the main pipeline, and the branch pipeline is fully paved at the bottom of the air flotation area of the air flotation tank.

[0007] Further, the branch pipeline comprises a branch main pipeline and a branch hole arranged on the branch main pipeline, and the hole diameter of the branch hole corresponds to the diameter of the micro-bubbles generated by the micro-nano bubble machine.

[0008] Further, a valve is arranged on the main pipeline, and the valve is an automatic valve connected to the control terminal.

[0009] Further, the sedimentation tank, the mixing tank and the air flotation tank are separated by a partition wall. The partition wall between the sedimentation tank and the mixing tank is arranged at the bottom of the tank and has a gap at the top.

[0010] A partition wall is arranged between the mixing tank and the air flotation tank, and the top of the partition wall is arranged at the top of the tank and has a gap at the bottom. At least one partition wall is further arranged in the air flotation tank. The side of the air flotation area near the mixing tank in the air flotation tank is the air flotation area, and the other side is the drainage area.

[0011] Further, the bottom of the water discharge area downstream of the air floatation tank is further provided with a second residue outlet, and the top of the downstream is provided with a water outlet; the water outlet corresponds to the upper discharge layer of the water body after air floatation.

[0012] Further, a hanging rack is detachably arranged on the partition wall in the air floatation tank, and a sampling pipe is arranged in the hanging rack, and the top of the sampling pipe is connected with a sampling machine.

[0013] Further, the hanging rack is an H-shaped rack, one side of the H-shaped rack is arranged in the air floatation area, and the other side is arranged in the water discharge area; wherein the vertical part is tubular and penetrates the sampling pipe, and the vertical part is arranged with sampling holes in the height direction, and the sampling holes are provided with sampling pipe holes corresponding to the sampling pipes.

[0014] Further, the bottom of the sedimentation tank is a sedimentation layer of the water body to be treated, and a first residue outlet is arranged on one side of the bottom of the sedimentation layer; a filter grid is arranged on the partition wall at the joint of the sedimentation tank and the stirring tank, and the filter grid corresponds to the large-diameter impurities.

[0015] Further, a stirring machine is arranged in the stirring tank, and the stirring machine is connected with a control terminal; the top of the stirring machine is fixed by a top support; the top support is a steel frame, and the steel frame is fixedly installed on the top of the tank and the top of the corresponding partition wall.

[0016] The beneficial effects of the utility model are reflected in:

[0017] 1) the utility model discloses a pipeline is arranged, and the uniform small bubbles are generated in the bottom of the air floatation tank, and the main pipeline and branch pipeline are arranged, and the quality of the air floatation tank bottom is guaranteed.

[0018] 2) the utility model discloses a sedimentation tank, filter grid and stirring tank are arranged, and the treatment of the early stage of air floatation is guaranteed, on the one hand, large weight impurities are removed, and on the other hand, the uniform distribution of the suspended matter in the water body before air floatation is guaranteed.

[0019] 3) the utility model discloses a hanging rack and sampling pipe are arranged, and the detection of the bubbles and water quality indexes in the water sample during the air floatation process and the water discharge process is guaranteed, and the quality and efficiency of water treatment are further improved.

[0020] Other features and advantages of the utility model will be described in the subsequent description, and part becomes obvious from the description, or is understood by implementing the utility model;The main purpose and other advantages of the utility model can be realized and obtained by the scheme specially pointed out in the description. DRAWINGS

[0021] Fig. 1 is the schematic diagram of the air floatation system of the micro-nano bubble machine;

[0022] Fig. 2 is a schematic diagram of a pipe structure;

[0023] Fig. 3 is a schematic diagram of a branch pipe structure;

[0024] Fig. 4 is a schematic diagram of a hanger and its connecting structure.

[0025] Reference signs: 1-micro-nano bubble machine, 2-pipe, 21-main pipe, 22-branch pipe, 221-branch main pipe, 222-branch hole, 3-valve, 4-settling tank, 5-water inlet, 6-first slag outlet, 7-water body to be treated, 8-settling layer, 9-filtering grid, 10-agitation tank, 11-top support, 12-agitator, 13-air floatation tank, 14-upper discharge layer, 15-separation wall, 16-second slag outlet, 17-water outlet, 18-hanger, 19-sampling pipe, 20-sampling machine. DETAILED DESCRIPTION

[0026] Taking the treatment of certain sewage as an example, the suspended solids in the water body are treated by the micro-nano bubble machine air floatation system. As shown in Figs. 1 to 4 , the micro-nano bubble machine air floatation system comprises a micro-nano bubble machine 1, a pipe 2 connected with the micro-nano bubble machine 1, the pipe 2 is arranged at the bottom of an air floatation tank 13, an agitation tank 10 connected with the air floatation tank 13 in the upstream of the water inlet direction, a settling tank 4 connected with the agitation tank 10 in the upstream of the water inlet direction, a water inlet 5 arranged at one side of the top of the settling tank 4, and a water outlet 17 connected with the bottom of the air floatation tank 13.

[0027] In this embodiment, the pipe 2 is fully paved at the bottom of the air floatation tank 13, the pipe 2 comprises a main pipe 21 and a branch pipe 22 connected perpendicularly to the main pipe 21, the branch pipe 22 is symmetrically arranged on both sides of the main pipe 21, and the branch pipe 22 is fully paved at the bottom of the air floatation area of the air floatation tank 13. The branch pipe 22 comprises a branch main pipe 221 and a branch hole 222 arranged on the branch main pipe 221 at intervals, and the hole diameter of the branch hole 222 corresponds to the diameter of the micro-bubbles generated by the micro-nano bubble machine 1. The main pipe 21 is provided with a valve 3, and the valve 3 is an automatic valve connected with a control terminal.

[0028] In this embodiment, the settling tank 4, the agitation tank 10 and the air floatation tank 13 are separated by a separation wall 15; wherein the separation wall 15 between the settling tank 4 and the agitation tank 10 is arranged at the bottom of the tank and the top of the separation wall 15 is provided with a gap; the separation wall 15 between the agitation tank 10 and the air floatation tank 13 is arranged at the top of the tank and the bottom is provided with a gap; at least one separation wall 15 is arranged in the air floatation tank 13, and the inside of the air floatation tank 13 is adjacent to one side of the agitation tank 10 as an air floatation area, and the other side is an outlet drainage area.

[0029] In the embodiment, the bottom of the downstream direction of the water discharge area of the air floatation tank 13 is further provided with a second residue discharge port 16, and the top of the downstream direction is provided with a water outlet 17; the water outlet 17 corresponds to the upper discharge layer 14 of the water body after air floatation. The upper discharge layer 14 is a suspended layer formed by air floatation of suspended particles to the top of the tank, and is discharged through the second residue discharge port 16.

[0030] The hanger 18 is detachably arranged on the partition wall 15 in the air floatation tank 13, and the sampling pipe 19 is arranged in the hanger 18. The top of the sampling pipe 19 is connected with the sampling machine 20.

[0031] In the embodiment, the hanger 18 is an H-shaped frame made of a steel pipe. One side of the H-shaped frame is arranged in the air floatation area, and the other side is arranged in the water discharge area. The vertical part is tubular and penetrates the sampling pipe 19. The vertical part is provided with sampling holes in the height direction, and the sampling pipe 19 hole is arranged in the sampling hole corresponding to the sampling pipe 19.

[0032] In the embodiment, the bottom of the sedimentation tank 4 is the sedimentation layer 8 of the water body to be treated 7, and the first residue discharge port 6 is arranged on one side of the bottom of the sedimentation layer 8. The first residue discharge port 6 is used for pre-discharging large particles and impurities in the initial sedimentation of the water body. The filter grid 9 is arranged on the partition wall 15 between the sedimentation tank 4 and the stirring tank 10, and the filter grid 9 corresponds to the large-diameter impurities.

[0033] In the embodiment, the stirring tank 10 is provided with a stirrer 12, and the stirrer 12 is connected with a control terminal. The top of the stirrer 12 is fixed by the top support 11. The top support 11 is a steel frame fixedly installed on the top of the tank and the top of the corresponding partition wall 15.

[0034] The above only describes the preferred embodiments of the present application, but the protection scope of the present application is not limited to this. Any changes or replacements within the technical range disclosed by the present application should be covered in the protection scope of the present application.

Claims

1. A micro-nano bubble machine air flotation system, characterized in that, The application relates to a micro-nano bubble machine (1), a pipeline (2) connected with the micro-nano bubble machine (1), the pipeline (2) being arranged at the bottom of a gas floatation tank (13), a stirring tank (10) connected with the gas floatation tank (13) in the water inflow direction, a sedimentation tank (4) connected with the stirring tank (10) in the water inflow direction, a water inlet (5) arranged at one side of the top of the sedimentation tank (4), and a water outlet (17) connected with the bottom of the gas floatation tank (13). The pipeline (2) is fully laid at the bottom of the gas floatation tank (13), the pipeline (2) comprises a main pipeline (21) and branch pipelines (22) connected with the main pipeline (21) perpendicularly, the branch pipelines (22) are symmetrically arranged at two sides of the main pipeline (21), and the branch pipelines (22) are fully laid at the bottom of the gas floatation area of the gas floatation tank (13).

2. The micro-nano bubble machine air flotation system of claim 1, wherein, The branch pipeline (22) comprises a branch main pipeline (221) and branch discharge holes (222) arranged on the branch main pipeline (221) at intervals, and the hole diameter of the branch discharge holes (222) corresponds to the diameter of micro-bubbles generated by the micro-nano bubble machine (1).

3. The micro-nano bubble machine air flotation system of claim 2, wherein, A valve (3) is arranged on the main pipeline (21), the valve (3) is an automatic valve and is connected with a control terminal.

4. The micro-nano bubble machine air flotation system of claim 3, wherein, The sedimentation tank (4), the stirring tank (10) and the gas floatation tank (13) are separated by partition walls (15); the partition wall (15) between the sedimentation tank (4) and the stirring tank (10) is arranged at the bottom of the tank and has a gap at the top of the partition wall (15); The partition wall (15) between the stirring tank (10) and the gas floatation tank (13) is arranged at the top of the tank and has a gap at the bottom; at least one partition wall (15) is arranged in the gas floatation tank (13), one side of the gas floatation tank (13) near the stirring tank (10) is a gas floatation area, and the other side is a water discharge area.

5. The micro-nano bubble machine air flotation system of claim 4, wherein, A second slag discharge port (16) is arranged at the bottom of the downstream direction of the water discharge area of the gas floatation tank (13), and a water outlet (17) is arranged at the top of the downstream direction; the water outlet (17) corresponds to the upper discharge layer (14) of the water body after gas floatation.

6. The micro-nano bubble machine air flotation system of claim 5, wherein, A hanging rack (18) is detachably arranged on the partition wall (15) in the gas floatation tank (13), and a sampling pipe (19) is arranged in the hanging rack (18); the top of the sampling pipe (19) is connected with a sampling machine (20).

7. The micro-nano bubble machine air flotation system of claim 6, wherein, The hanging rack (18) is an H-shaped rack, one side of the H-shaped rack is arranged in the gas floatation area, and the other side is arranged in the water discharge area; the vertical part is tubular and penetrates the sampling pipe (19), sampling holes are arranged in the vertical part in the height direction, and the sampling holes are provided with sampling pipe (19) holes corresponding to the sampling pipe (19).

8. The micro-nano bubble machine air flotation system of claim 7, wherein, The bottom of the sedimentation tank (4) is a sedimentation layer (8) of the water body to be treated (7), and a first slag discharge port (6) is arranged at one side of the bottom of the sedimentation layer (8); a filter grid (9) is arranged on the partition wall (15) at the joint of the sedimentation tank (4) and the stirring tank (10), and the filter grid (9) corresponds to the filtration of large-diameter impurities.

9. The micro-nano bubble machine air floatation system of claim 8, wherein, The stirring pool (10) is provided with a stirrer (12), the stirrer (12) is connected with a control terminal; the top of the stirrer (12) is fixed through a top support (11); the top support (11) is a steel frame, and the steel frame is fixedly installed on the top of the pool and the top of the corresponding partition wall (15).

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