Oily wastewater treatment device

Abstract

The utility model relates to the technical field of wastewater treatment, and discloses an oily wastewater treatment device which comprises a treatment barrel, the bottom end of the treatment barrel is in an inverted circular truncated cone shape, a supporting unit is arranged on the outer wall face of the treatment barrel, a driving motor is fixedly installed at the top end of the treatment barrel, and a feeding port is formed in the wall face of the top end of the treatment barrel. A stirring unit is arranged in a cavity of the treatment barrel, a separation unit is arranged below the treatment barrel, and the separation unit comprises a reservoir and a filter screen. The supporting unit is arranged on the outer wall surface of the treatment barrel to support the treatment barrel, the feeding port is formed in the top end of the treatment barrel to facilitate feeding of oily wastewater, a demulsifying agent and a flocculating agent, and the stirring unit is arranged in the cavity of the treatment barrel to fully mix the oily wastewater, the demulsifying agent and the flocculating agent; the flocculating agent flocculates impurities in the wastewater, and the separation unit is arranged below the treatment cylinder, so that water and impurity flocculation groups can be separated, and the treatment of the oil-containing wastewater is completed.

Description

Technical Field

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

[0002] Oily wastewater refers to wastewater containing a large amount of oil, grease and hydrocarbons in the process of industrial production, urban drainage, etc. This kind of wastewater is usually high in concentration, difficult to degrade, and volatile, which has serious harm to the environment and human health.

[0003] The prior art discloses an oily wastewater treatment device (publication number: CN220201547U), comprising a treatment tank, a feeding pipe is fixedly installed on one side of the top of the treatment tank, a motor is fixedly installed in the middle of the bottom of the treatment tank, a drive shaft of the motor passes through the treatment tank and is fixedly connected to a rotating rod arranged inside the treatment tank, a plurality of stirring rods are fixedly installed on the surface of the rotating rod, an electric push rod is fixedly installed on one side of the top of the treatment tank, an oil extraction pipe is slidably connected inside the treatment tank, and a cross plate is fixedly installed on the telescopic rod of the electric push rod.

[0004] The prior art uses an internal sliding oil suction pipe to pump out the oil layer, but the oil layer pumped out by this method will inevitably contain a certain amount of water. In addition, the oily wastewater also contains some fine impurities, pigments and other substances, which cannot be treated by the filter box, so that the wastewater needs further treatment before it can be discharged, and the treatment process is incomplete. Therefore, those skilled in the art have made improvements on the prior art and provided an oily wastewater treatment device to solve the problems raised in the above background technology. Utility Model Content

[0005] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides an oily wastewater treatment device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an oily wastewater treatment device, including a treatment cylinder, the bottom end of the treatment cylinder is in the shape of an inverted truncated cone, a support unit is arranged on the outer wall surface of the treatment cylinder, the support unit includes a fixing ring and a support column, a driving motor is fixedly installed on the top of the treatment cylinder, a feed port for adding demulsifier and flocculant is arranged on the top wall surface of the treatment cylinder, a stirring unit for stirring the oily wastewater, demulsifier and flocculant is arranged in the cavity of the treatment cylinder, the stirring unit includes a rotating rod and a stirring rod, a separation unit for separating flocs and water is arranged below the treatment cylinder, and the separation unit includes a water reservoir and a filter.

[0007] Preferably, the fixing ring is fixedly sleeved on the outer wall surface of the treatment cylinder, and the supporting column is fixedly installed on the bottom end wall surface of the fixing ring.

[0008] Preferably, a solenoid valve is provided below the treatment cylinder, and the solenoid valve is located above the filter screen.

[0009] Preferably, the first side plate and the second side plate are fixedly connected to both sides of the water reservoir respectively, the filter is movably engaged between the first side plate and the second side plate in an inclined state, and a drainage pipe is connected through one side of the water reservoir.

[0010] Preferably, a movable groove is provided on one side wall surface of the second side plate, a movable plate is movably engaged in the movable groove, and the movable plate is fixedly connected to one end of the filter screen.

[0011] Preferably, the top end of the rotating rod movably penetrates the processing cylinder through a bearing and is fixedly connected to the output shaft of the driving motor. The stirring rod and the rotating rod are perpendicular to each other, and the stirring rods are distributed in a ring array around the rotating rod.

[0012] Preferably, a scraper is fixedly connected to one end of the outer wall of the rotating rod away from the driving motor. The scraper is in the shape of a right triangle and is distributed in a ring array around the rotating rod.

[0013] The utility model provides a device for treating oily wastewater, which has the following beneficial effects:

[0014] (1) This oily wastewater treatment device can support the treatment tube by arranging a support unit on the outer wall surface of the treatment tube. A feed port is arranged at the top of the treatment tube to facilitate the input of oily wastewater, demulsifier and flocculant. A stirring unit is arranged in the cavity of the treatment tube to fully mix the oily wastewater, demulsifier and flocculant. The flocculant flocculates impurities in the wastewater. A separation unit is arranged at the bottom of the treatment tube to separate water and impurity flocculants, thereby completing the treatment of the oily wastewater.

[0015] (2) The oily wastewater treatment device is provided with a first side plate and a second side plate at both ends of the water reservoir to facilitate the installation of the filter screen. The filter screen is in an inclined state to facilitate the separation of water and flocs. The flocs remain on the filter screen, and the water falls into the water reservoir through the filter screen. The filter screen is in an inclined state, and the flocs roll downward from the surface of the filter screen.

[0016] (3) In the oily wastewater treatment device, a movable groove is provided on one side of the second side plate, a movable plate is arranged inside the movable plate, one end of the movable plate is connected to the filter screen, and a staff member pushes the movable plate to drive the filter screen to move back and forth, thereby shaking off the flocs on the inclined surface of the filter screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional structural schematic diagram of an oily wastewater treatment device of the utility model;

[0018] Figure 2This is a schematic diagram of the connection relationship between a treatment cylinder and a support unit of an oily wastewater treatment device of the utility model;

[0019] Figure 3 This is a schematic diagram of the three-dimensional structure of a separation unit of an oily wastewater treatment device of the utility model;

[0020] Figure 4 This is a schematic diagram of the position relationship between the filter screen and the movable plate of an oily wastewater treatment device of the utility model;

[0021] Figure 5 The utility model is a schematic diagram of the three-dimensional structure of a stirring unit of an oily wastewater treatment device.

[0022] Legend:

[0023] 10. Processing cylinder; 11. Fixed ring; 12. Feed port; 13. Driving motor; 14. Support column; 15. Solenoid valve; 16. Separation unit; 17. First side plate; 18. Second side plate; 19. Water reservoir; 20. Drain pipe; 21. Filter screen; 22. Movable trough; 23. Moving plate; 24. Rotating rod; 25. Stirring rod; 26. Scraper. DETAILED DESCRIPTION

[0024] like Figure 1-5 As shown: an oily wastewater treatment device includes a treatment barrel 10, the bottom end of the treatment barrel 10 is in an inverted truncated cone shape, a support unit is arranged on the outer wall of the treatment barrel 10, the support unit includes a fixing ring 11 and a support column 14, a driving motor 13 is fixedly installed on the top of the treatment barrel 10, a feed port 12 for adding demulsifier and flocculant is arranged on the top wall of the treatment barrel 10, a stirring unit for stirring the oily wastewater, demulsifier and flocculant is arranged in the cavity of the treatment barrel 10, the stirring unit includes a rotating rod 24 and a stirring rod 25, a separation unit 16 for separating flocs and water is arranged below the treatment barrel 10, and the separation unit 16 includes a water reservoir 19 and a filter screen 21.

[0025] Specifically, the present application can support the treatment barrel 10 by arranging a support unit on the outer wall surface of the treatment barrel 10, and a feed port 12 is arranged at the top of the treatment barrel 10 to facilitate the input of oily wastewater, demulsifier and flocculant. A stirring unit is arranged in the cavity of the treatment barrel 10 to fully mix the oily wastewater, demulsifier and flocculant. The flocculant flocculates impurities in the wastewater. By arranging a separation unit 16 below the treatment barrel 10, water and impurity flocculants can be separated, thereby completing the treatment of the oily wastewater.

[0026] The fixing ring 11 is fixedly sleeved on the outer wall surface of the treatment tube 10 , and the supporting column 14 is fixedly installed on the bottom end wall surface of the fixing ring 11 .

[0027] Specifically, the treatment cylinder 10 is supported by providing a fixing ring 11 and a supporting column 14 .

[0028] A solenoid valve 15 is disposed below the treatment cylinder 10 , and the solenoid valve 15 is located above the filter screen 21 .

[0029] Specifically, the solenoid valve 15 can be provided to control the outflow and flow rate of the liquid at the bottom of the treatment cylinder 10 .

[0030] The first side plate 17 and the second side plate 18 are fixedly connected to both sides of the water reservoir 19 respectively, the filter screen 21 is movably engaged between the first side plate 17 and the second side plate 18 in an inclined state, and a drainage pipe 20 is connected through one side of the water reservoir 19.

[0031] Specifically, a first side plate 17 and a second side plate 18 are provided at both ends of the water reservoir 19 to facilitate the installation of the filter screen 21. The filter screen 21 is in an inclined state to facilitate the separation of water and flocs. The flocs remain on the filter screen 21, and the water falls into the water reservoir 19 through the filter screen 21. The filter screen 21 is in an inclined state, and the flocs roll downward from the surface of the filter screen 21.

[0032] A movable groove 22 is formed on one side wall of the second side plate 18 . A movable plate 23 is movably engaged in the movable groove 22 . The movable plate 23 is fixedly connected to one end of the filter screen 21 .

[0033] Specifically, a movable groove 22 is opened on one side of the second side plate 18, and a movable plate 23 is arranged in the movable plate 23. One end of the movable plate 23 is connected to the filter screen 21. The staff pushes the movable plate 23 to drive the filter screen 21 to move back and forth, and shakes off the flocs on the inclined surface of the filter screen 21.

[0034] The top end of the rotating rod 24 movably penetrates the treatment barrel 10 through a bearing and is fixedly connected to the output shaft of the driving motor 13. The stirring rod 25 and the rotating rod 24 are perpendicular to each other, and the stirring rods 25 are distributed in a ring array around the rotating rod 24. A scraper 26 is fixedly connected to one end of the outer wall of the rotating rod 24 away from the driving motor 13. The scraper 26 is in a right triangle shape and is distributed in a ring array around the rotating rod 24.

[0035] Specifically, the driving motor 13 drives the rotating rod 24 to rotate during operation, and the stirring rod 25 is fixedly connected to the rotating rod 24. During the rotation of the rotating rod 24, the stirring rod 25 is driven to rotate synchronously. The scraper 26 is fixedly connected to the bottom end of the outer wall of the rotating rod 24. The scraper 26 can scrape the bottom end wall surface of the processing cylinder 10 cavity to facilitate scraping out the flocs.

[0036] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. An oily wastewater treatment device, comprising a treatment tube (10), the bottom end of the treatment tube (10) is in the shape of an inverted truncated cone, characterized in that: A support unit is arranged on the outer wall surface of the treatment cylinder (10), and the support unit includes a fixing ring (11) and a support column (14). A driving motor (13) is fixedly installed at the top of the treatment cylinder (10). A feed port (12) for feeding demulsifier and flocculant is arranged on the top wall surface of the treatment cylinder (10). A stirring unit for stirring the oily wastewater, demulsifier and flocculant is arranged in the cavity of the treatment cylinder (10), and the stirring unit includes a rotating rod (24) and a stirring rod (25). A separation unit (16) for separating flocs and water is arranged below the treatment cylinder (10), and the separation unit (16) includes a water reservoir (19) and a filter screen (21).

2. The oily wastewater treatment device according to claim 1, characterized in that: The fixing ring (11) is fixedly sleeved on the outer wall surface of the treatment cylinder (10), and the support column (14) is fixedly installed on the bottom end wall surface of the fixing ring (11).

3. The oily wastewater treatment device according to claim 1, characterized in that: A solenoid valve (15) is provided below the treatment cylinder (10), and the solenoid valve (15) is located above the filter screen (21).

4. The oily wastewater treatment device according to claim 1, characterized in that: The first side plate (17) and the second side plate (18) are fixedly connected to the two sides of the water reservoir (19), respectively; the filter screen (21) is movably engaged between the first side plate (17) and the second side plate (18) in an inclined state; and a drainage pipe (20) is connected through one side of the water reservoir (19).

5. The oily wastewater treatment device according to claim 4, characterized in that: A movable groove (22) is provided on one side wall surface of the second side plate (18), a movable plate (23) is movably engaged in the movable groove (22), and the movable plate (23) is fixedly connected to one end of the filter screen (21).

6. The oily wastewater treatment device according to claim 1, characterized in that: The top end of the rotating rod (24) movably penetrates the processing cylinder (10) through a bearing and is fixedly connected to the output shaft of the driving motor (13); the stirring rod (25) and the rotating rod (24) are perpendicular to each other, and the stirring rods (25) are distributed in a ring array around the rotating rod (24).

7. The oily wastewater treatment device according to claim 6, characterized in that: A scraper (26) is fixedly connected to one end of the outer wall of the rotating rod (24) away from the driving motor (13); the scraper (26) is in the shape of a right triangle and is distributed in a ring array around the rotating rod (24).

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