Air flotation oil removal pipeline device for kitchen waste wastewater treatment

Abstract

The utility model is applicable to the technical field of kitchen waste wastewater treatment, and particularly relates to an air floatation oil removal pipeline device for kitchen waste wastewater treatment, which comprises a main pipeline, one end of the main pipeline is connected with a wastewater input pipe, and the surface of the main pipeline is connected with a water collection branch pipe. A plurality of water spraying heads are arranged on the surface of the water collecting branch pipe, and a side water outlet is formed in the surface of the main pipeline and located below the water collecting branch pipe; a first baffle and a second baffle are arranged in the main pipeline from high to low, and the length of the second baffle is larger than that of the first baffle. According to the utility model, the efficient separation of floating oil and suspended matters in the kitchen waste wastewater is realized through the reasonably designed pipeline structure and assembly layout. The first baffle and the second baffle are arranged in the main pipeline, and through the design of high-low staggering and inclination directions, wastewater diversion is effectively guided, and meanwhile the situation that the separation effect is affected by wastewater flow disorder is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to kitchen garbage wastewater treatment technical field, specifically a kind of air floatation oil removal pipeline device for kitchen garbage wastewater treatment. BACKGROUND

[0002] In the kitchen garbage wastewater treatment process, anaerobic treatment is used as an efficient organic matter degradation technology, and is often used to treat high-concentration wastewater. However, the kitchen garbage wastewater usually contains a large amount of floating oil and suspended solids. If these impurities are not effectively separated and directly enter the subsequent biochemical treatment system, it is easy to cause unstable operation of the equipment and reduce the biochemical treatment efficiency. In order to solve this problem, the prior art usually uses air floatation separation technology to bring the floating oil to the water surface by micro-bubbles and collect it. However, the pipeline design of these devices before the wastewater flows into the air floatation zone often lacks reasonable shunting and oil-water mixing optimization, resulting in low grease removal efficiency and affecting the treatment effect of the air floatation system.

[0003] In the prior art, the separation method for floating oil and suspended solids mainly relies on simple sedimentation tanks or traditional air floatation equipment. Although these devices can remove floating oil in wastewater to some extent, the lack of wastewater flow rate and flow direction control can easily lead to uneven distribution of oil in wastewater, and even local oil accumulation. In addition, the pipeline design of some equipment is complex and difficult to maintain, or additional chemical agents need to be added to improve the separation effect, which not only increases the operating cost, but also may cause secondary pollution to the environment. Therefore, how to optimize the shunting and flow direction design of wastewater before it enters the air floatation zone and improve the separation efficiency of floating oil and suspended solids has become a problem to be solved in the prior art. SUMMARY

[0004] The purpose of the embodiments of the utility model is to provide an air floatation oil removal pipeline device for kitchen garbage wastewater treatment, which aims to solve the technical problems mentioned in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] An air floatation oil removal pipeline device for kitchen garbage wastewater treatment, comprising a main pipeline, one end of the main pipeline is connected with a wastewater input pipe, and the surface of the main pipeline is connected with a water collecting branch pipe, the surface of the water collecting branch pipe is provided with a plurality of water spraying heads, the surface of the main pipeline is provided with a side water outlet, and the side water outlet is located below the water collecting branch pipe.

[0007] The inside of the main pipeline is provided with a first baffle and a second baffle from high to low, and the length of the second baffle is greater than that of the first baffle, the opening of the water collecting branch pipe corresponds to the inclined direction of the first baffle, and the side water outlet corresponds to the inclined direction of the second baffle.

[0008] Further, the water guide plate is movably connected to the main pipeline outside near the side water outlet.

[0009] Further, a rotary hinge is installed on the main pipeline outside near the side water outlet, and the water guide plate is rotatably connected to the surface of the main pipeline through the rotary hinge.

[0010] The surface of the main pipeline is provided with a pushing assembly, and the pushing assembly is used to drive the water guide plate to rotate below the side water outlet through the rotary hinge.

[0011] Further, the pushing assembly comprises a mounting shell connected to the surface of the main pipeline, a driving motor is installed in the mounting shell, a rotary rod is connected to the output end of the driving motor, and a driving block is sleeved on the outer side of the rotary rod.

[0012] Further, a sealing washer is arranged on the surface of the mounting shell, and the rotary rod penetrates through the inside of the sealing washer.

[0013] The gas float oil removal pipeline device for kitchen waste water treatment has the following beneficial effects:

[0014] Through the reasonable design of the pipeline structure and the component layout, the efficient separation of the floating oil and the suspended matter in the kitchen waste water is realized. The first baffle and the second baffle arranged in the main pipeline are designed to be staggered in height and inclined in direction, which effectively guides the wastewater diversion and avoids the influence of the turbulent flow of wastewater on the separation effect. The opening of the water collecting branch pipe corresponds to the inclined direction of the first baffle, and after the wastewater enters the water collecting branch pipe, the gravity of the water head is used to evenly cover the surface of the gas float area, destroy the oil-water interface, and promote the floating oil to float up; the side water outlet corresponds to the inclined direction of the second baffle, and the drainage impact force is used to enhance the mixing effect in the gas float area, further improving the oil-water separation efficiency.

[0015] The water collecting branch pipe and the side water outlet are located above the gas float area in the wastewater pool, and through reasonable height design, the smooth flow of wastewater into the gas float area is ensured, and the phenomenon of pipeline blockage or uneven wastewater coverage is avoided. The device does not need to add chemical agents, and the efficient removal of floating oil is realized by using physical action, which is environmentally friendly and has low operating cost. The structure is simple, convenient to maintain, suitable for different flow and working conditions, can effectively reduce the burden of subsequent biochemical treatment, and has wide application prospect. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of a gas float oil removal pipeline device for kitchen waste water treatment.

[0017] Figure 2It is a kind of partial structure schematic diagram for oil removal pipeline device of kitchen waste water treatment of air floatation.

[0018] Figure 3 It is a kind of partial structure schematic diagram for oil removal pipeline device of kitchen waste water treatment of air floatation Figure 2 The enlarged view of A.

[0019] In the figure: 1, wastewater pool;2, air floatation area;3, water collecting branch pipe;4, wastewater input pipe;5, main pipeline;6, water spraying head;7, water guide plate;8, first baffle;9, second baffle;10, side water outlet;11, sealing washer;12, rotating rod;13, mounting shell;14, driving motor;15, rotating hinge;16, driving block. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail by combining with the drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0021] The specific implementation of the utility model is described in detail in the following combined with specific examples.

[0022] As Figures 1-2 Indicated, the utility model embodiment provides a kind of for kitchen waste water treatment of air floatation oil removal pipeline device, including main pipeline 5, one end of main pipeline 5 is connected with wastewater input pipe 4, and the surface of main pipeline 5 is connected with water collecting branch pipe 3, the surface of water collecting branch pipe 3 is provided with several water spraying heads 6, the surface of main pipeline 5 is provided with side water outlet 10, and side water outlet 10 is below water collecting branch pipe 3;

[0023] The inside of main pipeline 5 is provided with first baffle 8 and second baffle 9 from high to low, and the length of second baffle 9 is greater than the length of first baffle 8, the opening of water collecting branch pipe 3 corresponds with the inclined direction of first baffle 8, and side water outlet 10 corresponds with the inclined direction of second baffle 9.

[0024] In an embodiment of the utility model, water collecting branch pipe 3 and side water outlet 10 are all above air floatation area 2 in wastewater pool 1.

[0025] After the wastewater enters the main pipe 5 through the wastewater inlet pipe 4, it first passes through the first baffle 8 arranged inside the main pipe 5. Due to its inclined design, the first baffle 8 directs part of the wastewater to the corresponding water collecting branch pipe 3. The water collecting branch pipe 3 is provided with several water spraying heads 6, which uniformly spread the water flow to the surface of the air flotation area 2 by gravity, for destroying the oil-water interface in the wastewater and promoting the floating of grease. In this process, the uniformity of the distribution of the water spraying heads 6 and the area covered by the water flow play an important role in the separation efficiency of the floating oil.

[0026] The remaining wastewater continues to flow along the main pipe 5 and passes through the second baffle 9 arranged downstream. The second baffle 9 has a length greater than the first baffle 8, and its inclined direction corresponds to the side water outlet 10 of the main pipe 5, which can more fully guide the wastewater to the side water outlet 10. The impact force generated when the wastewater passes through the side water outlet 10 not only further fully mixes the wastewater in the air flotation area 2 with the micro-bubbles, but also effectively enhances the air flotation effect, promoting more floating oil and suspended matter to float. At the same time, this impact force disturbs the flow field in the air flotation area 2, avoiding the accumulation or sedimentation of grease in local areas, which helps to improve the overall efficiency of air flotation separation.

[0027] The water collecting branch pipe 3 and the side water outlet 10 are both located above the air flotation area 2, and the reasonable position design ensures efficient diversion and discharge of wastewater, reducing the risk of equipment blockage.

[0028] The following key points need to be noted for the device: the inclined directions of the first baffle 8 and the second baffle 9 need to strictly match the corresponding positions of the water collecting branch pipe 3 and the side water outlet 10 to ensure the accuracy of wastewater diversion; the number and spacing of the water spraying heads 6 need to be reasonably arranged according to the wastewater flow and oil concentration to ensure the coverage and gravity water spraying effect; the installation height and size of the side water outlet 10 need to be accurately adjusted to ensure that the impact force of the discharge can achieve the purpose of optimizing the mixing effect of the air flotation area.

[0029] The device has the following beneficial effects: it realizes the efficient separation of floating oil in kitchen waste wastewater by combining gravity water spraying and air flotation; the device structure is simple, does not require additional power devices or chemical agent addition, has strong environmental protection and low operating cost; the design of internal baffles and external pipelines effectively prevents equipment blockage, improving the running stability and maintenance convenience of the system; the device has strong adaptability and can be flexibly adjusted according to different wastewater treatment needs, suitable for various wastewater treatment scenarios with different flow rates and oil contents.

[0030] The device can be widely applied to kitchen waste wastewater treatment scenes, and is also suitable for the treatment needs of other oily wastewater such as food processing plant wastewater, grease separation plant wastewater and urban sewage treatment system. Through efficient separation of floating oil and suspended solids in wastewater, the device solves the problem of affecting the subsequent biochemical treatment efficiency due to the covering of water surface by floating oil in traditional technology, and further improves the overall effect of wastewater treatment. With the continuous improvement of environmental protection requirements and the wide application of wastewater treatment technology, the device has broad application prospects in the fields of environmental protection engineering, industrial wastewater treatment and urban sewage treatment.

[0031] In the embodiment, a water guide plate 7 is movably connected to the outer side of the main pipeline 5 near the side water outlet 10. The water guide plate 7 guides the flow direction of wastewater discharged from the side water outlet 10, so that the wastewater can be more evenly distributed into the air flotation zone 2, avoiding the wastewater from flowing into a local area, which affects the separation effect of the air flotation zone. The water guide plate 7 can change the flow direction and diffusion range of the wastewater after discharge by adjusting the angle, ensuring that the wastewater fully contacts with the micro-bubbles in the air flotation zone, and promoting the rapid floating of floating oil and suspended solids.

[0032] In addition, the water guide plate 7 can relieve the impact force when the wastewater is discharged from the side water outlet 10, prevent excessive impact from causing flow field disorder in the air flotation zone, and avoid the phenomenon of floating oil accumulation or suspended solids deposition, thereby maintaining the stability of the air flotation separation process. Through the movable connection design, the water guide plate 7 can adapt to different flow and flow rate requirements, so that the device can maintain efficient operation under various operating conditions. The setting of the water guide plate 7 further improves the separation efficiency of the air flotation zone and optimizes the effect of wastewater treatment.

[0033] As shown in Figure 2 and Figure 3 In an embodiment of the utility model, a rotary hinge 15 is installed on the outer side of the main pipeline 5 near the side water outlet 10, and the water guide plate 7 is rotatably connected to the surface of the main pipeline 5 through the rotary hinge 15.

[0034] The surface of the main pipeline 5 is provided with a pushing assembly, and the pushing assembly is used to drive the water guide plate 7 to rotate below the side water outlet 10 through the rotary hinge 15.

[0035] The pushing assembly includes a mounting shell 13 connected to the surface of the main pipeline 5, a driving motor 14 installed in the interior of the mounting shell 13, a rotary rod 12 connected to the output end of the driving motor 14, and a driving block 16 sleeved on the outer side of the rotary rod 12.

[0036] In this embodiment, the rotating hinge 15 is installed outside the main pipe 5 near the side water outlet 10, and the deflector 7 rotates around the rotating hinge 15. The rotation of the deflector 7 is controlled by a pushing assembly, which includes a mounting shell 13 installed on the surface of the main pipe 5. The mounting shell 13 is configured with a drive motor 14, the output end of the drive motor 14 is connected to a rotating rod 12, and the drive block 16 is sleeved outside the rotating rod 12. The drive block 16 is linked with the deflector 7, and the deflector 7 is pushed to rotate clockwise or counterclockwise below the side water outlet 10 through the rotation of the drive block 16.

[0037] The pushing assembly is designed with special consideration of the limitation of the rotation angle. The rotation range of the drive block 16 is precisely adjusted by controlling the output angle of the drive motor 14 to ensure that the rotation angle is not too large, thereby avoiding the problem of motion interference between the drive block 16 and the main pipe 5. At the same time, the limitation of the rotation range also ensures that the deflector 7 always remains within a reasonable water guiding range during rotation, avoiding the problem of out-of-control wastewater flow direction or interference with the normal operation of other components due to excessive rotation angle.

[0038] The purpose of this design is to enable the deflector 7 to automatically adjust the height and direction, flexibly change the flow direction and distribution area after wastewater discharge, and realize the water guiding function in different directions. In actual operation, the drive motor 14 can adjust the rotation angle through the control system according to the wastewater flow or operating conditions, so that the deflector 7 is precisely positioned to the required angle to ensure the optimal mixing and separation effect of wastewater in the air flotation zone 2. Through the automatic control of the pushing assembly, the device can adapt to various complex working conditions, improve the air flotation separation efficiency, and at the same time, reduce the workload of manual adjustment.

[0039] In this embodiment, the surface of the mounting shell 13 is provided with a sealing gasket 11, and the rotating rod 12 is arranged inside the sealing gasket 11. The main function is to provide sealing protection for the drive motor 14 and related components inside the mounting shell 13. The sealing gasket 11 can effectively prevent external water, oil, particulate matter and other impurities from entering the inside of the mounting shell 13, avoid pollution or damage to the drive motor 14, and prevent the leakage of lubricants or other working media inside the mounting shell 13, maintain the cleanliness and lubrication environment inside the equipment.

[0040] The design of the sealing gasket 11 also ensures that the rotating rod 12 can freely pass through inside it, providing good sealing performance while allowing the rotating rod 12 to flexibly rotate back and forth without affecting the rotation effect due to friction or resistance. In addition, the sealing gasket 11 improves the waterproof, oil-proof and corrosion-resistant performance of the equipment, enabling the device to adapt to the high humidity, oil-containing and highly corrosive working conditions in the kitchen waste wastewater treatment environment, helping to prolong the service life of the device and reduce maintenance costs.

[0041] The above merely preferred embodiments of the present application are not used to limit the present application, and any modification, equivalent replacement and improvement etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A pipeline device for oil removal by air floatation for treatment of kitchen waste water, comprising a main pipeline (5), characterized in that, One end of the main pipeline (5) is connected with a waste water input pipe (4), and the surface of the main pipeline (5) is connected with a water collecting branch pipe (3), the surface of the water collecting branch pipe (3) is provided with a plurality of water spraying heads (6), the surface of the main pipeline (5) is provided with a side water outlet (10), and the side water outlet (10) is located below the water collecting branch pipe (3). The inside of the main pipeline (5) is provided with a first baffle (8) and a second baffle (9) from high to low, the length of the second baffle (9) is greater than that of the first baffle (8), the opening of the water collecting branch pipe (3) corresponds to the inclined direction of the first baffle (8), and the side water outlet (10) corresponds to the inclined direction of the second baffle (9).

2. The pipeline device for oil removal by air floatation for kitchen waste water treatment according to claim 1, characterized in that, The outer side of the main pipeline (5) is movably connected with a water guide plate (7) near the side water outlet (10).

3. The grease removal pipe device for kitchen waste water treatment according to claim 1, characterized in that, The outer side of the main pipeline (5) is movably connected with a water guide plate (7) near the side water outlet (10). The surface of the main pipeline (5) is provided with a pushing assembly, and the pushing assembly is used to drive the water guide plate (7) to rotate below the side water outlet (10) through the rotary hinge (15).

4. The pipeline device for oil removal by air floatation according to claim 3, characterized in that, The pushing assembly comprises a mounting shell (13), and the mounting shell (13) is connected to the surface of the main pipeline (5).

5. The grease removal pipe device for kitchen waste water treatment according to claim 4, characterized in that, The surface of the mounting shell (13) is provided with a sealing washer (11), and the rotating rod (12) penetrates and is arranged in the inside of the sealing washer (11).

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