An oil-containing sludge cleaning device

Abstract

This utility model discloses an oily sludge cleaning device, relating to the field of oily sludge cleaning technology. The utility model includes a cleaning cylinder, a support frame on the bottom side wall of the cleaning cylinder, and an upper end cover. A sludge discharge mechanism is provided on the bottom side wall of the cleaning cylinder. A compression piston plate is slidably disposed inside the cleaning cylinder. Multiple through holes are formed on the side wall of the compression piston plate, and a stirring mechanism is disposed within each through hole. A sliding mechanism is provided on the side wall of the compression piston plate, and an electro-hydraulic rod is mounted on the sliding mechanism. The electro-hydraulic rod is fixedly mounted on the upper end cover. A rotating mechanism is fixedly mounted on the upper end cover of the cleaning cylinder, and one end of the rotating mechanism is fixedly mounted on the compression piston plate. This utility model can avoid sludge clogging and increase the sludge discharge speed, thereby facilitating subsequent sludge cleaning and improving sludge cleaning efficiency.

Description

Technical Field

[0001] This utility model relates to the field of oily sludge cleaning technology, and specifically to an oily sludge cleaning device. Background Technology

[0002] Oily sludge is a mixture of crude oil or refined oil mixed with soil or other media, in which the oil cannot be directly recovered and may cause pollution in various forms. The ultimate goal of current oily sludge treatment is based on the principles of reduction, resource recovery, and harmlessness. Solvent extraction is one of the common cleaning methods for oily sludge, mainly by adding chemical solvents to separate the oil from the sludge. However, in current solvent extraction processes, the sludge at the bottom of the cleaning container is difficult to discharge, and in some cases, it can clog the cleaning equipment pipes, leading to reduced sludge discharge efficiency and consequently, reduced sludge cleaning efficiency. Utility Model Content

[0003] The purpose of this invention is to solve the problem that in the current solvent extraction process, the sludge located at the bottom of the cleaning container is not easy to discharge and in some cases will block the cleaning equipment pipes, resulting in reduced sludge discharge efficiency and reduced sludge cleaning efficiency. This invention provides an oily sludge cleaning device.

[0004] To achieve the above objectives, this utility model specifically adopts the following technical solution:

[0005] An oily sludge cleaning device includes a cleaning cylinder, a support frame on the bottom side wall of the cleaning cylinder, and an upper cover at the top of the cleaning cylinder. A sludge discharge mechanism is provided on the bottom side wall of the cleaning cylinder. A squeezing piston plate is slidably disposed inside the cleaning cylinder. Multiple through holes are formed on the side wall of the squeezing piston plate, and a stirring mechanism is disposed within each through hole. A sliding mechanism is provided on the side wall of the squeezing piston plate, and an electro-hydraulic rod is mounted on the sliding mechanism. The electro-hydraulic rod is fixedly mounted on the upper cover. A rotating mechanism is fixedly mounted on the upper cover of the cleaning cylinder, and one end of the rotating mechanism is fixedly mounted on the squeezing piston plate. A feed pipe is provided on the side wall of the cleaning cylinder, and an oil extraction pipe is provided on the side wall of the squeezing piston plate, with one end of the oil extraction pipe slidably penetrating through the upper cover.

[0006] Preferably, the sludge discharge mechanism includes a sludge discharge pipe, one end of which is fixedly installed on the bottom side wall of the washing cylinder, and the sludge discharge pipe is connected to the interior of the washing cylinder. A control valve is provided on the side wall of the sludge discharge pipe.

[0007] Preferably, the rotating mechanism includes a servo motor, which is fixedly mounted on the side wall of the upper end cover. The output shaft of the servo motor passes through the upper end cover and is fixedly mounted on a rotating cylinder. A connecting telescopic tube is fixedly mounted on the inner side wall of the rotating cylinder, and one end of the connecting telescopic tube is fixedly mounted on the extrusion piston plate.

[0008] Preferably, an annular T-shaped groove is provided on the side wall of the extrusion piston plate, and a T-shaped slider is slidably installed in the annular T-shaped groove, with one end of the electro-hydraulic rod fixedly installed on the T-shaped slider.

[0009] Preferably, the mixing mechanism includes a mixing rod that is slidably inserted into a through hole, and a connecting plate is fixedly installed at one end of the mixing rod. Reset springs are symmetrically installed on the side wall of the connecting plate on both sides of the mixing rod, and one end of the reset spring is fixedly installed on the extrusion piston plate.

[0010] Preferably, the upper end cover and the cleaning cylinder are detachably connected, and the upper end cover and the port side wall of the cleaning cylinder are screwed together.

[0011] The beneficial effects of this utility model are as follows:

[0012] 1. In this utility model, when sludge cleaning is required, sludge and chemical solvents are fed into the cleaning cylinder through the feed pipe, and cleaning water is injected sequentially. Then, the electric hydraulic rod is activated to push the extrusion piston plate downward, causing multiple mixing rods to insert into the mixture of sludge and water. Subsequently, the servo motor is activated to start rotating, causing the servo motor to drive the mixing rods to stir, thereby accelerating the precipitation of oil from the sludge. After the precipitated oil is precipitated again through the oil extraction pipe, the oil extraction pipe is closed again, and the electric hydraulic rod continues to drive the extrusion piston plate downward, thereby quickly squeezing the sludge through the sludge discharge pipe. This can avoid sludge blockage and increase the sludge discharge speed, thus facilitating the second sludge cleaning and improving the sludge cleaning efficiency. Attached Figure Description

[0013] Figure 1 This is a frontal three-dimensional structural schematic diagram of the present invention;

[0014] Figure 2 This is a side view of the overall three-dimensional structure of this utility model;

[0015] Figure 3 This is a partial cross-sectional three-dimensional structural diagram of the cleaning cylinder in this utility model;

[0016] Figure 4 This is a schematic diagram of the three-dimensional connection structure between the stirring mechanism and the extrusion piston plate in this utility model;

[0017] Figure 5 This is a three-dimensional connection diagram of the rotating cylinder and the connecting telescopic pipe section in this utility model.

[0018] Reference numerals: 1. Cleaning cylinder; 2. Support frame; 3. Upper end cover; 4. Feed pipe; 5. Servo motor; 6. Electro-hydraulic rod; 7. Oil extraction pipe; 8. Sludge discharge pipe; 9. Control valve; 10. Rotating cylinder; 11. Extrusion piston plate; 12. Annular T-groove; 13. T-shaped slider; 14. Through hole; 15. Connecting plate; 16. Return spring; 17. Mixing rod; 18. Connecting telescopic pipe section. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0020] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0021] It should be noted that similar reference numerals and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0022] In the description of the embodiments of this utility model, it should be noted that the terms "inner", "outer", "upper", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0023] like Figure 1-5As shown, an oily sludge cleaning device includes a cleaning cylinder 1, a support frame 2 is provided on the bottom side wall of the cleaning cylinder 1, and an upper end cover 3 is provided on the upper end of the cleaning cylinder 1. The upper end cover 3 is detachably connected to the cleaning cylinder 1, and the upper end cover 3 is screwed to the port side wall of the cleaning cylinder 1. The upper end cover 3 can be easily opened and the internal parts can be taken out for maintenance.

[0024] A sludge discharge mechanism is provided on the bottom side wall of the cleaning cylinder 1. The sludge discharge mechanism includes a sludge discharge pipe 8. One end of the sludge discharge pipe 8 is fixedly installed on the bottom side wall of the cleaning cylinder 1, and the sludge discharge pipe 8 is connected to the inside of the cleaning cylinder 1. A control valve 9 is provided on the side wall of the sludge discharge pipe 8. When the control valve 9 is opened, the purified sludge can be discharged from the cleaning cylinder 1 through the sludge discharge pipe 8.

[0025] A squeezing piston plate 11 is slidably disposed inside the cleaning cylinder 1. Multiple through holes 14 are provided on the side wall of the squeezing piston plate 11, and a stirring mechanism is provided in the through holes 14. The stirring mechanism includes a mixing rod 17, which is slidably inserted into the through hole 14. A connecting plate 15 is fixedly installed at one end of the mixing rod 17. Reset springs 16 are symmetrically installed on the side wall of the connecting plate 15 on both sides of the mixing rod 17, and one end of the reset spring 16 is fixedly installed on the squeezing piston plate 11. By rotating the squeezing piston plate 11, the multiple mixing rods 17 can be driven to rotate, thereby breaking up the clumps of sludge and accelerating the precipitation of oil.

[0026] An electric hydraulic rod 6 is fixedly installed on the side wall of the upper cover 3. A sliding mechanism is provided on the side wall of the extrusion piston plate 11. The sliding mechanism includes a T-shaped slider 13. An annular T-shaped groove 12 is opened on the side wall of the extrusion piston plate 11. The T-shaped slider 13 is slidably installed in the annular T-shaped groove 12. One end of the electric hydraulic rod 6 is fixedly installed on the T-shaped slider 13. The T-shaped slider 13 allows the extrusion piston plate 11 to rotate without affecting the electric hydraulic rod 6.

[0027] A rotating mechanism is fixedly installed on the upper end cover 3 of the cleaning cylinder 1. The rotating mechanism includes a servo motor 5, which is fixedly installed on the side wall of the upper end cover 3. The output shaft of the servo motor 5 passes through the upper end cover 3 and is fixedly installed on the rotating cylinder 10. A connecting telescopic tube section 18 is fixedly installed on the inner side wall of the rotating cylinder 10, and one end of the connecting telescopic tube section 18 is fixedly installed on the extrusion piston plate 11. An annular T-shaped groove 12 is opened on the side wall of the extrusion piston plate 11, and a T-shaped slider 13 is slidably installed in the annular T-shaped groove 12. One end of the electric hydraulic rod 6 is fixedly installed on the T-shaped slider 13. A feed pipe 4 is provided on the side wall of the cleaning cylinder 1, and an oil extraction pipe 7 is provided on the side wall of the extrusion piston plate 11. One end of the oil extraction pipe 7 slidably passes through the upper end cover 3, and a sealing plug is provided in the oil extraction pipe 7 to prevent sludge from entering.

[0028] In summary: When sludge cleaning is required, oily sludge and chemical solvents are fed into the cleaning cylinder 1 through the feed pipe 4, followed by the injection of cleaning water. Then, the electric hydraulic rod 6 is activated to push the extrusion piston plate 11 downwards, causing multiple mixing rods 17 to insert into the mixture of sludge, water, and chemical solvents. Subsequently, the servo motor 5 is activated to rotate, causing the extrusion piston plate 11 to rotate. The extrusion piston plate 11 then drives the multiple mixing rods 17 to stir, thereby accelerating the separation of oil from the sludge. After the oil, water, and sludge separate into layers, the separated oil is extracted again through the oil extraction pipe 7 in conjunction with an external oil extraction machine. After the oil is sucked out, the piston plate 11 continues to move downwards. After the oil is sucked out, the oil extraction pipe 7 is closed again through the sealing plug. Then, the electric hydraulic rod 6 continues to control the piston plate 11 to move downwards and open the control valve 9 on the sludge discharge pipe 8. The mixing rod 17 on the piston plate 11 will move out from the through hole 14. Then the piston plate 11 will squeeze the bottom inner wall of the cleaning cylinder 1, thereby quickly squeezing the sludge through the sludge discharge pipe 8. This can prevent the sludge from clogging the sludge discharge pipe 8 and can improve the sludge discharge speed. Then the piston plate 11 is lifted, and the mixing rod 17 will be reset under the action of the return spring 16, which facilitates the sludge cleaning again.

[0029] The foregoing description enables those skilled in the art to implement or use this invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this invention. Therefore, this invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A device for cleaning oily sludge, characterized in that, The system includes a cleaning cylinder (1), a support frame (2) on the bottom side wall of the cleaning cylinder (1), and an upper end cover (3) on the upper end of the cleaning cylinder (1). A mud-discharging mechanism is provided on the bottom side wall of the cleaning cylinder (1). A squeezing piston plate (11) is slidably disposed inside the cleaning cylinder (1). Multiple through holes (14) are opened on the side wall of the squeezing piston plate (11), and a stirring mechanism is provided inside the through holes (14). A sliding mechanism is provided on the side wall of the squeezing piston plate (11). The mechanism is equipped with an electric hydraulic rod (6) on the sliding mechanism. The electric hydraulic rod (6) is fixedly installed on the upper end cover (3). The upper end cover (3) of the cleaning cylinder (1) is fixedly installed with a rotating mechanism. One end of the rotating mechanism is fixedly installed on the extrusion piston plate (11). The side wall of the cleaning cylinder (1) is provided with a feed pipe (4). The side wall of the extrusion piston plate (11) is provided with an oil extraction pipe (7). One end of the oil extraction pipe (7) slides through the upper end cover (3).

2. The oily sludge cleaning device according to claim 1, characterized in that, The mud discharge mechanism includes a mud discharge pipe (8), one end of which is fixedly installed on the bottom side wall of the cleaning cylinder (1), and the mud discharge pipe (8) is connected to the interior of the cleaning cylinder (1). A control valve (9) is provided on the side wall of the mud discharge pipe (8).

3. The oily sludge cleaning device according to claim 1, characterized in that, The rotating mechanism includes a servo motor (5), which is fixedly installed on the side wall of the upper end cover (3). The output shaft of the servo motor (5) passes through the upper end cover (3) and is fixedly installed with a rotating cylinder (10). A connecting telescopic tube section (18) is fixedly installed on the inner side wall of the rotating cylinder (10), and one end of the connecting telescopic tube section (18) is fixedly installed on the extrusion piston plate (11).

4. The oily sludge cleaning device according to claim 1, characterized in that, The sliding mechanism includes a T-shaped slider (13), and an annular T-shaped groove (12) is provided on the side wall of the extrusion piston plate (11). The T-shaped slider (13) is slidably installed in the annular T-shaped groove (12), and one end of the electric hydraulic rod (6) is fixedly installed on the T-shaped slider (13).

5. The oily sludge cleaning device according to claim 1, characterized in that, The mixing mechanism includes a mixing rod (17), which is slidably inserted into the through hole (14), and a connecting plate (15) is fixedly installed at one end of the mixing rod (17). Reset springs (16) are symmetrically installed on the side wall of the connecting plate (15) on both sides of the mixing rod (17), and one end of the reset spring (16) is fixedly installed on the extrusion piston plate (11).

6. The oily sludge cleaning device according to claim 1, characterized in that, The upper end cover (3) and the cleaning cylinder (1) are detachably connected, and the upper end cover (3) and the port side wall of the cleaning cylinder (1) are connected by screws.

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