Spiral stirring device for oil sludge treatment

Abstract

The utility model discloses a spiral stirring device for oil sludge treatment, which comprises a stirring barrel, a first rotating shaft is rotatably arranged at the top of the stirring barrel, the bottom end of the first rotating shaft penetrates through the top wall of the stirring barrel and is fixedly provided with a spiral blade, a motor is fixedly arranged at the top of the stirring barrel, and the output end of the motor is fixed with the first rotating shaft. A plurality of second rotating shafts are rotationally arranged at the top of the stirring barrel and on the peripheral side of the first rotating shaft, and the bottom ends of the second rotating shafts penetrate through the top wall of the stirring barrel and are fixedly provided with stirring blades. A motor drives a first rotating shaft to rotate, the first rotating shaft drives a spiral blade to rotate, oil sludge, a diluent and a conditioning agent in a stirring barrel are spirally stirred through the spiral blade, the first rotating shaft drives a driving gear to rotate, and the driving gear drives a plurality of driven gears and a plurality of second rotating shafts to rotate; the plurality of second rotating shafts respectively drive the stirring blades to rotate, so that the oil sludge, the diluent and the conditioning agent form turbulent flow, and further the oil sludge, the diluent and the conditioning agent are quickly and uniformly stirred.

Description

Technical Field

[0001] The utility model belongs to the technical field of oil sludge treatment, and in particular relates to a spiral stirring device for oil sludge treatment. Background Art

[0002] Oily sludge, also known as oil sludge, mainly comes from the ground sludge produced by crude oil extraction, the tank bottom sludge produced during the oil field gathering and transportation process, and the sludge produced by the wastewater treatment of the refinery. The composition of oily sludge is extremely complex. It is an extremely stable suspended emulsion system, containing a large amount of aged crude oil, wax, asphaltene, colloid, suspended solids, bacteria, salts, acidic gases and corrosives, etc. It also includes a large amount of coagulants, corrosion inhibitors, scale inhibitors, bactericides and other treatment agents added during the production process, so that the oily sludge contains a large amount of benzene, phenols, anthracene and other toxic substances. In my country's petrochemical industry, an average of 800,000 tons of tank sludge is produced each year. If the oily sludge is not treated, it will not only pollute the environment, but also cause a waste of resources.

[0003] In the prior art, the oil sludge, the diluent and the conditioning agent are generally stirred by a stirring mechanism to make them react. However, the existing stirring mechanism is difficult to stir the oil sludge quickly and evenly, resulting in low processing efficiency. Utility Model Content

[0004] In view of the problem that the existing stirring mechanism is difficult to stir the oil sludge quickly and evenly, resulting in low processing efficiency, the utility model provides a spiral stirring device for oil sludge processing.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a spiral stirring device for oil sludge treatment, comprising a stirring barrel, a first rotating shaft is rotatably arranged on the top of the stirring barrel, the bottom end of the first rotating shaft penetrates the top wall of the stirring barrel and is fixedly provided with a spiral blade, a motor is fixedly arranged on the top of the stirring barrel, the output end of the motor is fixed to the first rotating shaft, a plurality of second rotating shafts are rotatably arranged on the top of the stirring barrel at the periphery of the first rotating shaft, the bottom ends of the plurality of second rotating shafts all penetrate the top wall of the stirring barrel and are fixedly provided with stirring blades, a plurality of second rotating shafts are fixedly provided with crushing cutter heads, the crushing cutter heads are distributed at intervals with the stirring blades, a transmission assembly for driving the plurality of second rotating shafts to rotate is arranged on the first rotating shaft, the transmission assembly comprises a driving gear and a driven gear, the driving gear is fixedly arranged on the first rotating shaft, a plurality of the driven gears are arranged, and the plurality of the driven gears are respectively fixedly arranged on the plurality of second rotating shafts, the driving gear is meshed and connected with the plurality of the driven gears at the same time, a cavity is opened on the side wall of the stirring barrel, and a plurality of heating wires are arranged inside the cavity.

[0006] Preferably, a feeding port is provided at the top of the mixing barrel, and a discharging port is provided at the bottom of the mixing barrel.

[0007] Preferably, a stirring rod is fixedly provided at the bottom end of the first rotating shaft, and the stirring rod is in contact with the inner bottom of the stirring barrel.

[0008] Preferably, the plurality of heating wires are all fixed to the inner wall of the cavity, and the plurality of heating wires are distributed in a ring shape.

[0009] Preferably, four pillars are fixedly arranged at the bottom end of the mixing barrel.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. The first rotating shaft is driven by a motor to rotate, and the first rotating shaft drives the spiral blade to rotate. The oil sludge, diluent and conditioning agent in the mixing barrel are spirally stirred by the spiral blade. The first rotating shaft drives the driving gear to rotate, and the driving gear drives multiple driven gears and multiple second rotating shafts to rotate. The multiple second rotating shafts respectively drive the stirring blades to rotate, so that the oil sludge, diluent and conditioning agent form turbulent flow, thereby realizing fast and uniform stirring of the oil sludge, diluent and conditioning agent.

[0012] 2. The large particles in the sludge are crushed by the crushing cutter head to make the reaction more complete. The stirring rod is driven to rotate by the first shaft to stir the material at the bottom of the mixing barrel to avoid the material from being deposited at the bottom. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the structure of part of the utility model;

[0015] Figure 3 It is a schematic structural diagram of the overall cross-section of the utility model.

[0016] In the figure: 1. stirring barrel; 2. first rotating shaft; 3. spiral blade; 4. motor; 5. second rotating shaft; 6. stirring blade; 7. cavity; 8. heating wire; 9. driving gear; 10. driven gear; 11. crushing cutter head; 12. feeding port; 13. discharging port; 14. support; 15. stirring rod. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0018] Reference Figure 1-3A spiral stirring device for oil sludge processing comprises a stirring barrel 1, a first rotating shaft 2 is rotatably arranged on the top of the stirring barrel 1, a spiral blade 3 is fixedly arranged on the bottom end of the first rotating shaft 2 passing through the top wall of the stirring barrel 1, a motor 4 is fixedly arranged on the top of the stirring barrel 1, an output end of the motor 4 is fixed to the first rotating shaft 2, the first rotating shaft 2 is driven to rotate by the motor 4, the first rotating shaft 2 drives the spiral blade 3 to rotate, and the oil sludge, diluent and conditioning agent in the stirring barrel 1 are spirally stirred by the spiral blade 3.

[0019] Furthermore, a plurality of second rotating shafts 5 are rotatably arranged on the top of the mixing barrel 1 and located around the first rotating shaft 2. The bottom ends of the plurality of second rotating shafts 5 all penetrate the top wall of the mixing barrel 1 and are fixedly provided with mixing blades 6. A transmission assembly for driving the plurality of second rotating shafts 5 to rotate is arranged on the first rotating shaft 2. The transmission assembly includes a driving gear 9 and a driven gear 10. The driving gear 9 is fixedly arranged on the first rotating shaft 2. A plurality of driven gears 10 are arranged. The plurality of driven gears 10 are respectively fixedly arranged on the plurality of second rotating shafts 5. The driving gear 9 is meshed and connected with the plurality of driven gears 10 at the same time.

[0020] By adopting the above scheme, the first rotating shaft 2 drives the driving gear 9 to rotate, the driving gear 9 drives the multiple driven gears 10 and the multiple second rotating shafts 5 to rotate, and the multiple second rotating shafts 5 respectively drive the stirring blades 6 to rotate, so that the sludge, diluent and conditioning agent form turbulent flow, thereby realizing rapid and uniform stirring of the sludge, diluent and conditioning agent.

[0021] In addition, a plurality of second rotating shafts 5 are fixedly provided with crushing blades 11, and the crushing blades 11 are spaced apart from the stirring blades 6. The crushing blades 11 are used to crush large particles in the oil sludge, so that the reaction is more complete.

[0022] Among them, a cavity 7 is opened on the side wall of the mixing barrel 1, and a plurality of heating wires 8 are arranged inside the cavity 7. The plurality of heating wires 8 are fixed to the inner wall of the cavity 7, and the plurality of heating wires 8 are distributed in a ring shape. The mixing barrel 1 is evenly heated by heating the plurality of heating wires 8 by electricity.

[0023] In addition, a stirring rod 15 is fixedly provided at the bottom end of the first rotating shaft 2, and the stirring rod 15 contacts the inner bottom of the stirring barrel 1. The stirring rod 15 is driven by the first rotating shaft 2 to rotate to stir the material at the inner bottom of the stirring barrel 1 to avoid the material from being deposited at the bottom as much as possible.

[0024] In addition, a feeding port 12 is provided at the top of the mixing barrel 1 , a discharging port 13 is provided at the bottom of the mixing barrel 1 , and a sealing cover is provided at the bottom end of the discharging port 13 .

[0025] Finally, four pillars 14 are fixedly arranged at the bottom end of the mixing barrel 1 .

[0026] The operating principle of the utility model is described as follows: oil sludge, diluent and conditioning agent are added into the mixing barrel 1 through the feeding port 12, the first rotating shaft 2 is driven to rotate by the motor 4, the first rotating shaft 2 drives the spiral blade 3 to rotate, the oil sludge, diluent and conditioning agent in the mixing barrel 1 are spirally stirred by the spiral blade 3, the first rotating shaft 2 drives the driving gear 9 to rotate, the driving gear 9 drives multiple driven gears 10 and multiple second rotating shafts 5 to rotate, and the multiple second rotating shafts 5 respectively drive the stirring blades 6 to rotate, so that the oil sludge, diluent and conditioning agent form turbulent flow, thereby realizing fast and uniform stirring of the oil sludge, diluent and conditioning agent, the large particles in the oil sludge are crushed by the crushing cutter head 11 to make the reaction more sufficient, the stirring rod 15 is driven by the first rotating shaft 2 to rotate, and the material at the bottom of the inner side of the mixing barrel 1 is stirred to avoid the material from being deposited at the bottom as much as possible.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A spiral stirring device for oil sludge treatment, comprising a stirring barrel (1), characterized in that: A first rotating shaft (2) is rotatably arranged at the top of the mixing barrel (1), the bottom end of the first rotating shaft (2) penetrates the top wall of the mixing barrel (1) and is fixedly provided with a spiral blade (3), a motor (4) is fixedly arranged at the top of the mixing barrel (1), the output end of the motor (4) is fixed to the first rotating shaft (2), a plurality of second rotating shafts (5) are rotatably arranged at the top of the mixing barrel (1) and are located around the first rotating shaft (2), the bottom ends of the plurality of second rotating shafts (5) all penetrate the top wall of the mixing barrel (1) and are fixedly provided with a mixing blade (6), and a crushing blade head (11) is fixedly provided on the plurality of second rotating shafts (5), and the crushing blade head (11) 1) are spaced apart from the stirring blades (6); a transmission assembly for driving the plurality of second rotating shafts (5) to rotate is arranged on the first rotating shaft (2); the transmission assembly comprises a driving gear (9) and a driven gear (10); the driving gear (9) is fixedly arranged on the first rotating shaft (2); a plurality of driven gears (10) are arranged; the plurality of driven gears (10) are respectively fixedly arranged on the plurality of second rotating shafts (5); the driving gear (9) is meshedly connected with the plurality of driven gears (10) at the same time; a cavity (7) is opened on the side wall of the stirring barrel (1); a plurality of heating wires (8) are arranged inside the cavity (7).

2. The spiral stirring device for oil sludge treatment according to claim 1, characterized in that: The top of the mixing barrel (1) is provided with a feeding port (12), and the bottom of the mixing barrel (1) is provided with a discharging port (13).

3. The spiral stirring device for oil sludge treatment according to claim 1, characterized in that: A stirring rod (15) is fixedly arranged at the bottom end of the first rotating shaft (2), and the stirring rod (15) is in contact with the inner bottom of the stirring barrel (1).

4. The spiral stirring device for oil sludge treatment according to claim 1, characterized in that: The plurality of heating wires (8) are all fixed to the inner wall of the cavity (7), and the plurality of heating wires (8) are distributed in a ring shape.

5. The spiral stirring device for oil sludge treatment according to claim 1, characterized in that: Four pillars (14) are fixedly arranged at the bottom end of the mixing barrel (1).

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