Closed oil-water separation device

Abstract

The utility model discloses a closed oil-water separation device which comprises a feeding pipe and further comprises a separation mechanism, the separation mechanism comprises a primary separation cylinder, a separation cylinder and a driving assembly, and the utility model belongs to the technical field of oil-water separation. When oil-water mixed liquid is conveyed into the primary separation barrel through the feeding pipe, oil-water layering is accelerated after the oil-water mixed liquid flows slowly through the two flow slowing plates, an oil layer floats at the top of the primary separation barrel, part of oil is discharged through the oil pumping pipe connected with the oil discharging pipe, and then water-oil liquid pumped out of part of the oil layer is conveyed into the separation barrel through the connecting pipe; then the motor drives the belt to drive the separation barrel connected with the drainage pipe to rotate, water and oil in the separation barrel are centrifugally separated, an oil layer is discharged through the oil outlet pipe, water is discharged through the drainage pipe, oil and water are separated twice, and the purposes of accelerating oil and water separation and guaranteeing the oil and water separation effect are achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of oil-water separation, and in particular relates to a closed oil-water separation device. Background Art

[0002] In the process of wastewater recycling in environmental protection projects, it is usually necessary to separate the water-oil mixture into oil-water to ensure the water quality is clean and facilitate the reuse of water.

[0003] The oil-water separation in the prior art usually utilizes the density difference between oil and water to separate the oil and water directly through static sedimentation or rotary separator. However, the direct sedimentation method makes the oil-water separation speed slower, affecting the separation efficiency, and the rotary separation method is not suitable for situations where the oil accounts for a large proportion.

[0004] For this purpose, a closed oil-water separation device is proposed. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a closed oil-water separation device to solve the above problems.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a closed oil-water separation device, including a feed pipe fixedly connected to an oil-water feed pipe, and also including:

[0007] The separation mechanism includes a primary separation cylinder, a separation cylinder and a driving assembly, wherein one side of the top of the primary separation cylinder is fixedly connected to the feed pipe, the separation cylinder is arranged at the bottom of the primary separation cylinder, and is rotatably connected to the primary separation cylinder through a connecting pipe, the primary separation cylinder, the top and the bottom of the separation cylinder are all arranged in a cone shape, the top of the primary separation cylinder is slidably connected to an oil drain pipe connected to the oil pumping pipe, the bottom of the separation cylinder is fixedly connected to a drain pipe, the side of the connecting pipe close to the top of the separation cylinder is fixedly connected to an oil outlet pipe, the connecting pipe, the oil drain pipe, the drain pipe and the oil outlet pipe are all fixedly installed with valves for controlling opening and closing, one end of the primary separation cylinder close to the inner bottom is fixedly connected to two inclined slow flow plates for slowing flow, and the driving assembly is connected to the drain pipe.

[0008] On the basis of the above technical solutions, the present invention also provides the following optional technical solutions:

[0009] Further technical solution: The driving assembly includes a motor and a mounting plate. The motor is arranged on one side of the drain pipe and fixedly connected to the mounting plate. One end of the motor output shaft and the outside of the drain pipe are fixedly connected with pulleys, and the two pulleys are connected by belt transmission.

[0010] Further technical solution: a slag removal box is provided at the bottom of the feed pipe, the top of the slag removal box is fixedly connected to the bottom of the feed pipe, one end of the bottom of the slag removal box is fixedly connected to the inside of the primary separation cylinder through a filter plate, and a protective door is sealed and hinged at the bottom of the slag removal box.

[0011] Further technical solution: a fixed box is provided at the connection between the primary separation cylinder and the separation cylinder, the bottom of the primary separation cylinder is fixedly connected to the top of the fixed box, the top of the separation cylinder is rotatably connected to the bottom of the fixed box, a protective door is hinged on one side of the fixed box, the four corners of the bottom of the fixed box are fixedly connected to legs for supporting the device, and the mounting plate is fixedly connected to the legs.

[0012] Further technical solution: A thermal insulation box is fixedly connected to the outer side of the top of the primary separation cylinder, and a heating rod A is arranged inside the thermal insulation box. The heating rod A surrounds the outer side of the top of the primary separation cylinder and is fixedly connected to the heating rod A. A heating rod B surrounds the outer side of the top of the separation cylinder, and the heating rod B is fixedly connected to the fixed box.

[0013] Further technical solution: A window for observing the interior of the primary separation cylinder is fixedly installed on the primary separation cylinder.

[0014] Beneficial Effects

[0015] The utility model provides a closed oil-water separation device. Compared with the prior art, it has the following advantages:

[0016] Beneficial effects:

[0017] 1. When the oil-water mixture is sent to the primary separation cylinder through the feed pipe, it is slowed down by two slow flow plates to accelerate the oil-water separation. The oil layer floats on the top of the primary separation cylinder, and a part of the oil is discharged through the oil pumping pipe connected to the oil discharge pipe. Then, the water and oil of the extracted part of the oil layer are sent to the separation cylinder through the connecting pipe. Then, the motor drives the belt to drive the separation cylinder connected to the drainage pipe to rotate, and the water and oil in the separation cylinder are centrifugally separated, so that the oil layer is discharged through the oil outlet pipe and the water is discharged through the drainage pipe, realizing the double separation of oil and water, achieving the purpose of accelerating the oil-water separation while ensuring the oil-water separation effect;

[0018] 2. The setting of heating rod A and heating rod B is used to heat the oil layer, ensure smooth discharge of the oil layer and avoid solidification of the oil layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0020] Figure 2 It is a front view of the utility model.

[0021] Figure 3 It is a partial cross-sectional view of the utility model.

[0022] Figure 4 It is a partial stereogram of the utility model.

[0023] Notes on figure numbers: 1. Feed pipe; 2. Separation mechanism; 3. Primary separation cylinder; 4. Separation cylinder; 5. Connecting pipe; 6. Slow flow plate; 7. Oil drain pipe; 8. Drain pipe; 9. Oil outlet pipe; 10. Motor; 11. Mounting plate; 12. Belt; 13. Deslagging box; 14. Filter plate; 15. Fixed box; 16. Insulation box; 17. Heating rod A; 18. Heating rod B. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0025] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0026] See also Figures 1 to 4 , provided in one embodiment of the utility model, is a closed oil-water separation device, comprising a feed pipe 1 fixedly connected to an oil-water feed pipe, and further comprising:

[0027] The separation mechanism 2 includes a primary separation cylinder 3, a separation cylinder 4 and a driving assembly. One side of the top of the primary separation cylinder 3 is fixedly connected to the feed pipe 1. The separation cylinder 4 is arranged at the bottom of the primary separation cylinder 3 and is rotatably connected to the primary separation cylinder 3 through a connecting pipe 5. The top and bottom of the primary separation cylinder 3 and the separation cylinder 4 are both arranged in a cone shape. The top of the primary separation cylinder 3 is slidably connected to an oil discharge pipe 7 connected to the oil pumping pipe. The bottom of the separation cylinder 4 is fixedly connected to a drainage pipe 8. The side of the connecting pipe 5 close to the top of the separation cylinder 4 is fixedly connected to an oil outlet pipe 9. Valves for controlling opening and closing are fixedly installed on the connecting pipe 5, the oil discharge pipe 7, the drainage pipe 8 and the oil outlet pipe 9. One end of the primary separation cylinder 3 close to the inner bottom is fixedly connected to two inclined slow-flow plates 6 for slowing flow, and the driving assembly is connected to the drainage pipe 8.

[0028] Preferably, the driving assembly includes a motor 10 and a mounting plate 11. The motor 10 is arranged on one side of the drain pipe 8 and is fixedly connected to the mounting plate 11. A pulley is fixedly connected to one end of the output shaft of the motor 10 and the outside of the drain pipe 8. The two pulleys are connected by a belt 12. The purpose of this arrangement is to achieve the purpose of centrifugal separation of oil and water by driving the belt 12 through the motor 10 to drive the separation drum 4 to rotate.

[0029] Preferably, a slag removal box 13 is provided at the bottom of the feed pipe 1, the top of the slag removal box 13 is fixedly connected to the bottom of the feed pipe 1, one end of the bottom of the slag removal box 13 is fixedly connected to the inside of the primary separation cylinder 3 through a filter plate 14, and a protective door is sealed and hinged at the bottom of the slag removal box 13. The purpose of this arrangement is to achieve the purpose of sieving the impurities remaining in the oil-water liquid through the slag removal box 13, so as to facilitate the separation of oil and water.

[0030] Preferably, a fixed box 15 is provided at the connection between the primary separation cylinder 3 and the separation cylinder 4, the bottom of the primary separation cylinder 3 is fixedly connected to the top of the fixed box 15, the top of the separation cylinder 4 is rotatably connected to the bottom of the fixed box 15, a protective door is hinged on one side of the fixed box 15, the four corners of the bottom of the fixed box 15 are fixedly connected to the legs supporting the device, and the mounting plate 11 is fixedly connected to the legs. The purpose of this arrangement is to achieve the purpose of maintaining the stability of the device through the arrangement of the fixed box 15 and the legs.

[0031] In the embodiment of the utility model, when the oil-water mixture is sent to the interior of the primary separation cylinder 3 through the feed pipe 1, the oil-water stratification is accelerated after the slow flow through the two slow flow plates 6, and the oil layer floats on the top of the primary separation cylinder 3, and a part of the oil is discharged through the oil extraction pipe connected to the oil discharge pipe 7, and then the water and oil liquid of the extracted part of the oil layer is sent to the interior of the separation cylinder 4 through the connecting pipe 5, and then the motor 10 drives the belt 12 to drive the separation cylinder 4 connected to the drain pipe 8 to rotate, and the water and oil in the separation cylinder 4 are centrifugally separated, so that the oil layer is discharged through the oil outlet pipe 9 and the water is discharged through the drain pipe 8, so as to realize the double separation of oil and water, and achieve the purpose of accelerating the oil-water separation while ensuring the oil-water separation effect.

[0032] See also Figures 1 to 4 As an embodiment of the utility model, a heat-insulating box 16 is fixedly connected to the outer side of the top of the primary separation cylinder 3, and a heating rod A17 is arranged inside the heat-insulating box 16. The heating rod A17 surrounds the outer side of the top of the primary separation cylinder 3 and is fixedly connected to the heating rod A17. A heating rod B18 surrounds the outer side of the top of the separation cylinder 4, and the heating rod B18 is fixedly connected to the fixed box 15.

[0033] Preferably, a window for observing the interior of the primary separation cylinder 3 is fixedly mounted on the primary separation cylinder 3. The purpose of this arrangement is to facilitate the relevant personnel to observe the oil layer discharge through the setting of the window and to facilitate the purpose of adjusting the position and depth of the oil discharge pipe 7.

[0034] In the embodiment of the utility model, the heating rod A17 and the heating rod B18 are provided to heat the oil layer, ensure smooth discharge of the oil layer, and avoid solidification of the oil layer.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A closed oil-water separation device, comprising a feed pipe (1) fixedly connected to an oil-water feed pipe, characterized in that: Also includes: A separation mechanism (2), the separation mechanism (2) comprising a primary separation cylinder (3), a separation cylinder (4) and a driving assembly, the top side of the primary separation cylinder (3) being fixedly connected to a feed pipe (1), the separation cylinder (4) being arranged at the bottom of the primary separation cylinder (3) and being rotatably connected to the primary separation cylinder (3) through a connecting pipe (5), the top and bottom of the primary separation cylinder (3) and the separation cylinder (4) being both arranged in a conical shape, the top of the primary separation cylinder (3) being slidably connected to an oil discharge pipe (7) connected to an oil pumping pipe, the bottom of the separation cylinder (4) being fixedly connected to a drainage pipe (8), the side of the connecting pipe (5) close to the top of the separation cylinder (4) being fixedly connected to an oil outlet pipe (9), the connecting pipe (5), the oil discharge pipe (7), the drainage pipe (8) and the oil outlet pipe (9) being fixedly installed with valves for controlling opening and closing, one end of the primary separation cylinder (3) close to the inner bottom being fixedly connected to two inclined slow flow plates (6) for slow flow, and the driving assembly being connected to the drainage pipe (8).

2. A closed oil-water separation device according to claim 1, characterized in that: The driving assembly comprises a motor (10) and a mounting plate (11); the motor (10) is arranged on one side of the drain pipe (8) and is fixedly connected to the mounting plate (11); one end of the output shaft of the motor (10) and the outside of the drain pipe (8) are fixedly connected with pulleys; the two pulleys are connected by a belt (12).

3. A closed oil-water separation device according to claim 1, characterized in that: A slag removal box (13) is provided at the bottom of the feed pipe (1); the top of the slag removal box (13) is fixedly connected to the bottom of the feed pipe (1); one end of the bottom of the slag removal box (13) is fixedly connected to the interior of the primary separation cylinder (3) through a filter plate (14); and a protective door is sealed and hinged at the bottom of the slag removal box (13).

4. A closed oil-water separation device according to claim 2, characterized in that: A fixed box (15) is provided at the connection between the primary separation cylinder (3) and the separation cylinder (4); the bottom of the primary separation cylinder (3) is fixedly connected to the top of the fixed box (15); the top of the separation cylinder (4) is rotatably connected to the bottom of the fixed box (15); a protective door is hinged on one side of the fixed box (15); legs for supporting the device are fixedly connected at the four corners of the bottom of the fixed box (15); and the mounting plate (11) is fixedly connected to the legs.

5. The closed oil-water separation device according to claim 1, characterized in that: The outer side of the top of the primary separation cylinder (3) is fixedly connected to a heat-insulating box (16), a heating rod A (17) is arranged inside the heat-insulating box (16), the heating rod A (17) surrounds the outer side of the top of the primary separation cylinder (3) and is fixedly connected to the heating rod A (17), the outer side of the top of the separation cylinder (4) is surrounded by a heating rod B (18), and the heating rod B (18) is fixedly connected to the fixed box (15).

6. A closed oil-water separation device according to claim 1, characterized in that: A viewing window for observing the interior of the primary separation cylinder (3) is fixedly mounted on the primary separation cylinder (3).

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