Oily wastewater separation, collection and treatment device

Abstract

The utility model discloses an oily wastewater separation, collection and treatment device, which relates to the technical field of oil recovery and comprises a treatment tank, a partition plate is vertically arranged in the treatment tank, and the treatment tank is divided into a treatment cavity and a separation cavity by the partition plate; a heating plate is arranged at the bottom in the treatment cavity; a first extension plate is arranged on the left side of the top of the treatment tank and is of an arc-shaped structure; second extension plates fixedly connected with the first extension plates are obliquely arranged on the front side and the rear side of the top of the treatment tank; a flow dividing pipe is arranged in the first extending plate in the width direction, a plurality of obliquely-arranged air nozzles are arranged on the flow dividing pipe in the length direction, openings of the air nozzles face one side of the partition plate, and an air blower is arranged on the treatment pond; the amount of wastewater entering the separation cavity together is reduced through the arc-shaped edges, oil entering the separation cavity is adsorbed through the filtering layer, the oil and water can be adsorbed and separated again, and the quality and efficiency of oil-containing wastewater treatment can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of oil recovery, in particular to a device for separating, collecting and treating oily wastewater. Background Art

[0002] Oily wastewater refers to wastewater containing oily substances discharged during industrial production; these oily substances may include natural petroleum, petroleum products, tar and its fractions, as well as edible animal and vegetable oils and fats;

[0003] Oily wastewater is a kind of industrial wastewater with large volume and serious hazards, so the oil in the wastewater needs to be removed before it can be discharged or reused;

[0004] At present, the oily wastewater is separated by sedimentation separation method, which utilizes the density difference between oil and water and the immiscibility of oil and water. Sedimentation separation is carried out in the oil separator. Common types include horizontal flow type, parallel plate type, corrugated plate type, etc.

[0005] However, the horizontal flow method will cause part of the wastewater to flow into the next treatment tank together with the oil, and it is necessary to perform horizontal flow separation again in the next treatment tank. This is not only inefficient, but also has poor separation quality and low practicality. Summary of the invention

[0006] The utility model aims to provide a device for separating, collecting and treating oily wastewater, so as to improve the efficiency of separating and treating oily wastewater.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an oily wastewater separation, collection and treatment device, comprising a treatment pool, wherein a partition is vertically arranged inside the treatment pool, and the partition divides the treatment pool into a treatment chamber and a separation chamber; a heating plate is arranged at the bottom of the treatment chamber; a first extension plate is arranged on the left side of the top of the treatment pool, and the first extension plate is in an arc-shaped structure; a second extension plate fixedly connected to the first extension plate is obliquely arranged on both the front and rear sides of the top of the treatment pool; a shunt pipe is arranged inside the first extension plate along the width direction, and a plurality of obliquely arranged air nozzles are arranged on the shunt pipe along the length direction, and the air nozzle opening faces one side of the partition; a hair dryer is arranged on the treatment pool, and the hair dryer is connected to the shunt pipe through a pipeline;

[0008] A group of connecting seats and a rotating shaft arranged between the connecting seats are arranged on the side above the partition facing the processing chamber; a plurality of rotating plates distributed in a circular array are arranged in the extending direction of the rotating shaft, a flexible belt is arranged at one end of the rotating plate, and a motor fixedly connected to one end of the rotating shaft is arranged on one of the connecting seats;

[0009] The partition is provided with an arc-shaped edge, a group of support frames are provided inside the separation chamber, the support frames are in an L-shaped structure, a filter seat is provided between a group of support frames, a filter layer is provided in the filter seat, and a guide plate fixedly connected to a plurality of rotating plates distributed in a circular array is provided above the filter seat.

[0010] In order to monitor the water level, as a preferred oil-containing wastewater separation, collection and treatment device of the utility model, the upper end of the arc-shaped edge is an arc-shaped structure, and the height of the arc-shaped edge is 1 mm, a top plate is arranged above the two second extension plates, and a distance sensor and a plc controller are arranged at the bottom and top of the top plate; a water inlet pipe connected to the treatment chamber is arranged on the treatment pool, and a solenoid valve is arranged on the water inlet pipe, and the solenoid valve is electrically connected to the plc controller.

[0011] In order to adjust the height of the flexible belt, as a preferred embodiment of the oily wastewater separation, collection and treatment device of the present invention, an electric push rod fixedly connected to the upper end of the connecting seat is provided on the top of the top plate.

[0012] In order to facilitate oil adsorption and separation, as a preferred oily wastewater separation, collection and treatment device of the utility model, the flexible belt uses a rubber belt, and an anti-sticking oil coating is provided on the flexible belt; the filter layer is a modified fiber ball.

[0013] In order to facilitate the cleaning of the heating plate and avoid the accumulation or sticking of foreign matter on the heating plate, as a preferred oily wastewater separation, collection and treatment device of the utility model, a scraper is provided on the heating plate, and an electric telescopic rod fixedly connected to one side of the scraper is provided on the treatment chamber.

[0014] In order to facilitate the discharge of treated wastewater, as a preferred oily wastewater separation, collection and treatment device of the utility model, the treatment pool is provided with a sewage pipe and a water discharge pipe respectively connected to the treatment chamber and the separation chamber.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] The utility model heats the wastewater through a heating plate. When the wastewater is heated, the oil in the wastewater floats upward, the hair dryer is started, and the wind flows out through the wind pipe and the wind nozzle. The wind blows in the direction of the partition, which makes it easy for the oil floating above the processing chamber to flow toward the partition. The arc edge is 1 mm higher than the water level. When the wind blows, the oil above the water level can pass over the arc edge and enter the separation chamber for filtration. The arc edge reduces the amount of wastewater entering the separation chamber together.

[0017] The utility model starts the motor, and the rotating shaft drives the rotating plate to rotate. The flexible belt on the rotating plate contacts the water surface, and the oil above the water level can be pushed into the separation chamber, reducing the amount of waste water entering the separation chamber together. The guide plate has a guiding effect, and can guide the oil to the filter seat. The arc-shaped edges reduce the amount of waste water entering the separation chamber together. The oil entering the separation chamber is adsorbed by the filter layer, and the oil and water can be adsorbed and separated again, which can improve the quality and efficiency of oil-containing wastewater treatment. The filter seat can be taken out through the support frame, and the filter layer in the filter seat can be easily replaced regularly. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 for Figure 1 AA structural diagram;

[0020] Figure 3 It is a side view structural schematic diagram of the connecting seat and the motor of the utility model.

[0021] In the figure: 1. treatment tank; 2. partition; 3. treatment chamber; 4. separation chamber; 5. heating plate; 6. first extension plate; 7. second extension plate; 8. diverter pipe; 9. air nozzle; 10. hair dryer; 11. connecting seat; 12. rotating shaft; 13. rotating plate; 14. flexible belt; 15. motor; 16. arc edge; 17. support frame; 18. filter seat; 19. filter layer; 20. guide plate; 21. top plate; 22. distance sensor; 23. plc controller; 24. water inlet pipe; 25. solenoid valve; 26. electric push rod; 27. scraper; 28. electric telescopic rod; 29. ​​sewage pipe; 30. drainage pipe. DETAILED DESCRIPTION

[0022] See also Figures 1 to 3 , a device for separating, collecting and treating oily wastewater, comprising a treatment pool 1, wherein a partition 2 is vertically arranged inside the treatment pool 1, and the partition 2 divides the treatment pool 1 into a treatment chamber 3 and a separation chamber 4; a heating plate 5 is arranged at the bottom of the treatment chamber 3; a first extension plate 6 is arranged on the left side of the top of the treatment pool 1, and the first extension plate 6 is an arc-shaped structure; a second extension plate 7 fixedly connected to the first extension plate 6 is obliquely arranged on both the front and rear sides of the top of the treatment pool 1; a shunt pipe 8 is arranged inside the first extension plate 6 along the width direction, and a plurality of obliquely arranged air nozzles 9 are arranged on the shunt pipe 8 along the length direction, and the air nozzle 9 opens toward one side of the partition 2; a blower 10 is arranged on the treatment pool 1, and the blower 10 is connected to the shunt pipe 8 through a pipeline;

[0023] A group of connecting seats 11 and a rotating shaft 12 arranged between the connecting seats 11 are arranged on the side above the partition 2 facing the processing chamber 3; a plurality of rotating plates 13 distributed in a circular array are arranged on the extending direction of the rotating shaft 12, a flexible belt 14 is arranged at one end of the rotating plate 13, and a motor 15 fixedly connected to one end of the rotating shaft 12 is arranged on one of the connecting seats 11;

[0024] An arc-shaped edge 16 is provided on the partition 2, and a group of support frames 17 are provided inside the separation chamber 4. The support frames 17 are L-shaped structures. A filter seat 18 is provided between the group of support frames 17. A filter layer 19 is provided in the filter seat 18. A guide plate 20 fixedly connected to the rotating plates 13 distributed in a circular array is provided above the filter seat 18.

[0025] In this embodiment: a partition 2 is used to separate the treatment tank 1 into a treatment chamber 3 and a separation chamber 4, wastewater is transported into the treatment chamber 3, and the transport is stopped when the water level reaches the position where the arc edge 16 contacts the partition 2. The heating plate 5 heats the wastewater. When the wastewater is heated, the oil in the wastewater floats upward, and the hair dryer 10 is started. The wind flows out through the wind pipe and the wind nozzle 9, and the wind blows in the direction of the partition 2, which makes it easy for the oil floating above the treatment chamber 3 to flow toward the partition 2. The arc edge 16 is 1 mm higher than the water level. When the wind blows, the oil above the water level can pass over the arc edge 16; the first extension plate 6 and the second extension plate 7 increase the height of the left side and the front and rear sides of the treatment tank 1 to avoid wastewater overflow; by starting The motor 15 is driven, and the rotating shaft 12 drives the rotating plate 13 to rotate. The flexible belt 14 on the rotating plate 13 contacts the water surface, and the oil above the water level can be pushed into the separation chamber 4. The distance between the second extension plates 7 on the front and rear sides is greater at the upper end than at the lower end, so that the two sides of the rotating plate 13 on the rotating shaft 12 can be in contact with the inner wall of the processing chamber 3, thereby improving the efficiency of the flexible belt 14 in pushing the oil; the guide plate 20 has a guiding effect, and can guide the oil to the filter seat 18. The filter layer 19 adsorbs the oil and can adsorb and separate the oil and water again, thereby improving the quality of oil-containing wastewater treatment. The filter seat 18 can be taken out through the support frame 17, and it is easy to regularly replace the filter layer 19 in the filter seat 18.

[0026] As a technical optimization scheme of the utility model, the upper end of the arc-shaped edge 16 is an arc-shaped structure, and the height of the arc-shaped edge 16 is 1 mm. A top plate 21 is arranged above the two second extension plates 7, and a distance sensor 22 and a plc controller 23 are arranged at the bottom and top of the top plate 21; a water inlet pipe 24 connected to the processing chamber 3 is arranged on the treatment pool 1, and a solenoid valve 25 is arranged on the water inlet pipe 24, and the solenoid valve 25 is electrically connected to the plc controller 23.

[0027] In this embodiment: when the water inlet pipe 24 transports wastewater to the processing chamber 3, the distance sensor 22 monitors the water level inside the processing chamber 3. When the water level reaches the set value (when the water level reaches the position where the arc edge 16 contacts the partition 2), the PLC controller 23 receives a signal, and the PLC controller 23 controls the solenoid valve 25 to cut off the power and close the water inlet pipe 24, so as to prevent the wastewater in the processing chamber 3 from flowing directly into the separation chamber 4.

[0028] As a technical optimization solution of the utility model, an electric push rod 26 fixedly connected to the upper end of the connecting seat 11 is arranged on the top of the top plate 21 .

[0029] In this embodiment, the electric push rod 26 is activated to adjust the height of the rotating shaft 12 and increase the contact area between the flexible belt 14 and the water.

[0030] As a technical optimization solution of the utility model, the flexible belt 14 uses a rubber belt, and an anti-sticking oil coating is provided on the flexible belt 14; the filter layer 19 is a modified fiber ball.

[0031] In this embodiment: the anti-stick oil coating prevents the oil from sticking to the flexible belt 14; after the surface of the fiber ball is modified, the adsorption capacity of oil and organic matter is enhanced, which can improve the quality of oil treatment in wastewater.

[0032] As a technical optimization solution of the utility model, a scraper 27 is provided on the heating plate 5 , and an electric telescopic rod 28 fixedly connected to one side of the scraper 27 is provided on the processing chamber 3 .

[0033] In this embodiment, the electric telescopic rod 28 is started, and the scraper 27 moves, and foreign matter stuck or deposited on the scraper 27 can be cleaned.

[0034] As a technical optimization solution of the present invention, a sewage pipe 29 and a drainage pipe 30 which are connected to the processing chamber 3 and the separation chamber 4 respectively are arranged on the processing tank 1.

[0035] In this embodiment, the sewage pipe 29 can be opened to discharge the treated wastewater in the treatment chamber 3 , and the water separated in the separation chamber 4 can be cleaned by opening the drainage pipe 30 .

[0036] Working principle: First, wastewater is transported to the treatment chamber 3. When the water level reaches the position where the arc edge 16 contacts the partition 2, the transport is stopped. The heating plate 5 heats the wastewater. When the wastewater is heated, the oil in the wastewater floats upward. The hair dryer 10 is started, and the wind flows out through the wind pipe and the wind nozzle 9. The wind blows toward the partition 2, which makes it easy for the oil floating above the treatment chamber 3 to flow toward the partition 2. The arc edge 16 is 1 mm higher than the water level. When the wind blows, the oil above the water level can pass over the arc edge 16. At the same time, By starting the motor 15, the rotating shaft 12 drives the rotating plate 13 to rotate, and the flexible belt 14 on the rotating plate 13 contacts the water surface, so that the oil above the water level can be pushed into the separation chamber 4. The guide plate 20 has a guiding effect, and can guide the oil to the filter seat 18. The filter layer 19 adsorbs the oil and can adsorb and separate the oil and water again, thereby improving the quality of oil-containing wastewater treatment. The filter seat 18 can be taken out through the support frame 17, and it is easy to regularly replace the filter layer 19 in the filter seat 18.

[0037] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for separating, collecting and treating oily wastewater, comprising a treatment tank (1), characterized in that: A partition (2) is vertically arranged inside the treatment pool (1), and the partition (2) divides the treatment pool (1) into a treatment chamber (3) and a separation chamber (4); a heating plate (5) is arranged at the bottom of the treatment chamber (3); a first extension plate (6) is arranged on the left side of the top of the treatment pool (1), and the first extension plate (6) is in an arc-shaped structure; second extension plates (7) are obliquely arranged on both the front and rear sides of the top of the treatment pool (1) and are fixedly connected to the first extension plate (6); a shunt pipe (8) is arranged inside the first extension plate (6) along the width direction, and a plurality of obliquely arranged air nozzles (9) are arranged on the shunt pipe (8) along the length direction, and the opening of the air nozzle (9) faces one side of the partition (2); a blower (10) is arranged on the treatment pool (1), and the blower (10) is connected to the shunt pipe (8) through a pipeline; A group of connection seats (11) and a rotating shaft (12) arranged between the group of connection seats (11) are arranged on the side above the partition (2) facing the processing chamber (3); a plurality of rotating plates (13) distributed in a circular array are arranged on the rotating shaft (12) in an extended direction, a flexible belt (14) is arranged at one end of the rotating plate (13), and a motor (15) fixedly connected to one end of the rotating shaft (12) is arranged on one of the connection seats (11); The partition plate (2) is provided with an arc-shaped edge (16), a group of support frames (17) are provided inside the separation chamber (4), the support frames (17) are in an L-shaped structure, a filter seat (18) is provided between the group of support frames (17), a filter layer (19) is provided inside the filter seat (18), and a guide plate (20) fixedly connected to a plurality of rotating plates (13) distributed in a circular array is provided above the filter seat (18).

2. The oily wastewater separation, collection and treatment device according to claim 1 is characterized by: The upper end of the arc-shaped edge (16) is in an arc-shaped structure, and the height of the arc-shaped edge (16) is 1 mm. A top plate (21) is arranged above the two second extension plates (7), and a distance sensor (22) and a PLC controller (23) are arranged at the bottom and top of the top plate (21); a water inlet pipe (24) connected to the treatment chamber (3) is arranged on the treatment pool (1), and a solenoid valve (25) is arranged on the water inlet pipe (24), and the solenoid valve (25) is electrically connected to the PLC controller (23).

3. The oily wastewater separation, collection and treatment device according to claim 2 is characterized by: The top of the top plate (21) is provided with an electric push rod (26) fixedly connected to the upper end of the connecting seat (11).

4. The oily wastewater separation, collection and treatment device according to claim 1 is characterized by: The flexible belt (14) is a rubber belt, and an anti-sticking oil coating is provided on the flexible belt (14); and the filter layer (19) is a modified fiber ball.

5. The oily wastewater separation, collection and treatment device according to claim 1 is characterized by: The heating plate (5) is provided with a scraper (27), and the processing chamber (3) is provided with an electric telescopic rod (28) fixedly connected to one side of the scraper (27).

6. The oily wastewater separation, collection and treatment device according to claim 1 is characterized by: The treatment pool (1) is provided with a sewage pipe (29) and a drainage pipe (30) which are respectively connected to the treatment chamber (3) and the separation chamber (4).

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