Oil-containing solid waste heat desorption treatment device

Abstract

The utility model relates to the technical field of oil-containing solid waste heat desorption, and discloses an oil-containing solid waste heat desorption treatment device which comprises a desorption box, and the bottom end of the desorption box is fixedly connected with a discharging hopper. By arranging the desorption box, oil-containing solid waste is discharged into the desorption box from a feeding port, so that the oil-containing solid waste is accumulated on the upper surface of a bearing arc plate, at the moment, the oil-containing solid waste is subjected to thermal desorption through a radiant tube combustor, and due to the fact that the bearing arc plate is in an arc plate shape, oil in the oil-containing solid waste subjected to thermal desorption enters an oil outlet cylinder from an oil inlet hole; after thermal desorption, residual slag of the oil-containing solid waste is accumulated on the upper surfaces of bearing arc plates, and when the residual slag of the oil-containing solid waste needs to be discharged, an electric telescopic rod is started to drive the bearing arc plates to rotate, so that the two bearing arc plates are unfolded towards the direction; therefore, residual soil of the oil-containing solid waste falls into the discharging hopper and is discharged from the bottom of the discharging hopper, and the operation is simple and rapid.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal desorption of oil-containing solid waste, in particular to a thermal desorption treatment device for oil-containing solid waste. Background Art

[0002] During the oil and gas drilling process, the use of oil-based drilling fluid brings convenience to drilling but also brings serious environmental problems. The oil-containing drill cuttings generated during the drilling process are classified as hazardous wastes as specified in the "National List of Hazardous Wastes" and must be treated harmlessly.

[0003] In the prior art, the inventors found that there are at least the following problems in the prior art:

[0004] (1) After thermal desorption treatment of oily solid waste, it is very inconvenient to discharge the remaining slag;

[0005] (2) When thermal desorption is performed on oily solid waste, a large amount of waste gas will be generated, and direct discharge will cause pollution. Utility Model Content

[0006] In response to the shortcomings of the existing technology, the utility model provides a thermal desorption treatment device for oil-containing solid waste, which has the advantages of facilitating the discharge of the remaining debris of the oil-containing solid waste and filtering the waste gas generated during the thermal desorption of the oil-containing solid waste, thereby solving the problems raised in the background technology.

[0007] The utility model provides the following technical solution: a thermal desorption treatment device for oil-containing solid waste, comprising a desorption box, the bottom end of the desorption box is fixedly connected to a discharge hopper, the four corners of the bottom end of the discharge hopper are fixedly connected to support feet, the top of the desorption box is provided with a feed port, the top of the feed port is provided with a top cover, the inner walls on both sides of the desorption box are fixedly connected to oil outlet cylinders, the side surfaces of the oil outlet cylinders are rotatably connected to a bearing arc plate, and one side surface of the desorption box is fixedly connected to a filter box.

[0008] Preferably, a radiant tube burner is fixedly connected to the inner wall of the desorption box, and the radiant tube burner is located directly above the supporting arc plate.

[0009] Preferably, the lower surface of the supporting arc plate is fixedly connected to an articulated joint 1, the bottom end of the articulated joint 1 is rotatably connected to an articulated block 1, the bottom end of the articulated block 1 is fixedly connected to an electric telescopic rod, the bottom end of the electric telescopic rod is fixedly connected to an articulated block 2, the bottom end of the articulated block 2 is rotatably connected to a cross joint 2, and the cross joint 2 is fixedly connected to the inner wall of the discharge hopper.

[0010] Preferably, the bearing arc plate is arched, the top end of the oil outlet cylinder is inclined, and a plurality of oil inlet holes are provided on the inclined surface of the top end of the oil outlet cylinder.

[0011] Preferably, an oil drain groove is fixedly connected to one side surface of the desorption box, and the oil drain groove corresponds to the position of the oil outlet cylinder.

[0012] Preferably, the top of the desorption box is fixedly connected with an air suction port, the top of the air suction port is fixedly connected with an air supply pipe, one end of the air supply pipe is fixedly connected to the top of the filter box, the top of the filter box is fixedly connected with a suction fan, the output end of the suction fan is fixedly connected with an air outlet pipe, the interior of the filter box is fixedly connected with a snap-in frame, the interior of the snap-in frame is movably connected with a filter module, and one end of the filter module is fixedly connected with a handle.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. By providing a desorption box, the oily solid waste is discharged from the feed port into the interior of the desorption box, so that the oily solid waste accumulates on the upper surface of the supporting arc plate. At this time, the oily solid waste is thermally desorbed by the radiant tube burner. Since the supporting arc plate is in the shape of an arc plate, the oil in the thermally desorbed oily solid waste enters the interior of the oil outlet cylinder from the oil inlet hole, and is then discharged from the bottom of the oil drain groove. The remaining slag of the oily solid waste after thermal desorption will accumulate on the upper surface of the supporting arc plate. When the remaining slag of the oily solid waste needs to be discharged, starting the electric telescopic rod will drive the supporting arc plate to rotate, so that the two supporting arc plates are expanded toward each other, thereby causing the remaining slag of the oily solid waste to fall into the interior of the discharge hopper and be discharged from the bottom of the discharge hopper. The operation is simple and quick, and it is convenient for collecting the oil and at the same time, it is convenient for collecting and discharging the remaining slag of the oily solid waste after thermal desorption.

[0015] 2. By providing a filter box, when the radiant tube burner is started to perform thermal desorption on oil-containing solid waste, more exhaust gas will be generated. After the suction fan is started, a negative pressure is formed inside the filter box, and the exhaust gas is sucked from the inside of the desorption box into the inside of the filter box through the air pipe. When passing through the filter module, it will be filtered by the filter module, and then the filtered exhaust gas will be discharged from the outlet pipe. At the same time, since the filter module can be plugged into the inside of the card frame, it is convenient to pull the filter module out of the inside of the card frame by pulling the handle for disassembly and installation, which is convenient for replacing the filter module, thereby effectively ensuring the treatment of the exhaust gas generated by the thermal desorption of oil-containing solid waste and protecting the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of the device of the utility model;

[0017] Figure 2 This is a schematic diagram of the cross-sectional structure of the filter box of the utility model;

[0018] Figure 3 This is a schematic diagram of the cross-sectional structure of the desorption box of the utility model.

[0019] In the figure: 1. Desorption box; 2. Discharge hopper; 3. Support foot; 4. Oil outlet cylinder; 5. Oil inlet hole; 6. Bearing arc plate; 7. Hinge head 1; 8. Hinge block 1; 9. Electric telescopic rod; 10. Hinge block 2; 11. Intersection head 2; 12. Feed inlet; 13. Top cover; 14. Radiant tube burner; 15. Air extraction port; 16. Air supply pipe; 17. Filter box; 18. Snap-on frame; 19. Filter module; 20. Handle; 21. Suction fan; 22. Air outlet pipe; 23. Oil drain tank. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] Reference Figure 1-3 A thermal desorption treatment device for oil-containing solid waste includes a desorption box 1, the bottom end of the desorption box 1 is fixedly connected to a discharge hopper 2, the four corners of the bottom end of the discharge hopper 2 are fixedly connected to support legs 3, the top of the desorption box 1 is provided with a feed port 12, the top of the feed port 12 is provided with a top cover 13, the inner walls on both sides of the desorption box 1 are fixedly connected to oil outlet cylinders 4, the side of the oil outlet cylinder 4 is rotatably connected to a bearing arc plate 6, and one side surface of the desorption box 1 is fixedly connected to a filter box 17.

[0022] The inner wall of the desorption box 1 is fixedly connected with a radiant tube burner 14 , and the radiant tube burner 14 is located directly above the supporting arc plate 6 .

[0023] Among them, the lower surface of the supporting arc plate 6 is fixedly connected with a hinge joint 7, the bottom end of the hinge joint 7 is rotatably connected with a hinge block 8, the bottom end of the hinge block 8 is fixedly connected with an electric telescopic rod 9, the bottom end of the electric telescopic rod 9 is fixedly connected with a hinge block 2 10, the bottom end of the hinge block 2 10 is rotatably connected with a cross joint 2 11, and the cross joint 2 11 is fixedly connected to the inner wall of the discharge hopper 2. Starting the electric telescopic rod 9 will drive the supporting arc plate 6 to rotate, so that the two supporting arc plates 6 are unfolded toward each other, so that the remaining slag of the oil-containing solid waste falls into the inside of the discharge hopper 2 and is discharged from the bottom of the discharge hopper 2.

[0024] Among them, the supporting arc plate 6 is set in an arch shape, the top of the oil outlet cylinder 4 is set in an inclined shape, and a plurality of oil inlet holes 5 are opened on the inclined surface of the top of the oil outlet cylinder 4. An oil drain groove 23 is fixedly connected to the side surface of the desorption box 1. The oil drain groove 23 corresponds to the position of the oil outlet cylinder 4. The oil-containing solid waste is discharged from the feed port 12 into the interior of the desorption box 1, so that the oil-containing solid waste accumulates on the upper surface of the supporting arc plate 6. At this time, the oil-containing solid waste is thermally desorbed by the radiation tube burner 14. Since the supporting arc plate 6 is in the shape of an arc plate, the oil in the thermally desorbed oil-containing solid waste enters the interior of the oil outlet cylinder 4 from the oil inlet hole 5, and is then discharged from the bottom of the oil drain groove 23. The remaining residue of the oil-containing solid waste after thermal desorption will accumulate on the upper surface of the supporting arc plate 6.

[0025] Among them, the top of the desorption box 1 is fixedly connected with an air suction port 15, the top of the air suction port 15 is fixedly connected with an air supply pipe 16, one end of the air supply pipe 16 is fixedly connected to the top of the filter box 17, the top of the filter box 17 is fixedly connected with a suction fan 21, the output end of the suction fan 21 is fixedly connected with an air outlet pipe 22, the inside of the filter box 17 is fixedly connected with a card frame 18, the inside of the card frame 18 is movably connected with a filter module 19, and one end of the filter module 19 is fixedly connected with a pull handle 20. When the radiation tube burner 14 is started to heat the oil-containing solid waste During desorption, a large amount of exhaust gas will be generated. After starting the suction fan 21, a negative pressure will be formed inside the filter box 17, and the exhaust gas will be sucked from the inside of the desorption box 1 into the inside of the filter box 17 through the air supply pipe 16. When passing through the filter module 19, it will be filtered by the filter module 19, and then the filtered exhaust gas will be discharged from the outlet pipe 22. At the same time, since the filter module 19 can be inserted into the inside of the card frame 18, it is convenient to pull the filter module 19 out of the inside of the card frame 18 through the pull handle 20 for disassembly and installation, which is convenient for replacing the filter module 19.

[0026] Working principle: When the device is in use, the oil-containing solid waste is discharged from the feed port 12 into the interior of the desorption box 1, so that the oil-containing solid waste is accumulated on the upper surface of the supporting arc plate 6. At this time, the oil-containing solid waste is thermally desorbed by the radiation tube burner 14. Since the supporting arc plate 6 is in the shape of an arc plate, the oil in the thermally desorbed oil-containing solid waste enters the interior of the oil outlet cylinder 4 from the oil inlet hole 5, and is then discharged from the bottom of the oil drain groove 23. The remaining slag of the oil-containing solid waste after thermal desorption will accumulate on the upper surface of the supporting arc plate 6. When the remaining slag of the oil-containing solid waste needs to be discharged, starting the electric telescopic rod 9 will drive the supporting arc plate 6 to rotate, so that the two supporting arc plates 6 are expanded toward each other, thereby causing the remaining slag of the oil-containing solid waste to fall into the discharge hopper 2 The exhaust gas is sucked from the inside of the desorption box 1 into the inside of the filter box 17 through the air supply pipe 16, and is filtered by the filter module 19 when passing through the filter module 19, and then the filtered exhaust gas is discharged from the exhaust pipe 22. At the same time, since the filter module 19 can be plugged into the inside of the card frame 18, it is convenient to remove and install the filter module 19 from the inside of the card frame 18 through the pull handle 20, which is convenient for replacing the filter module 19.

[0027] In this description, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they can refer to fixed connections, removable connections, or integral connections; they can refer to direct connections, indirect connections through an intermediary, or internal connections between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances. Furthermore, in the description of this utility model, unless otherwise specified, "plurality" means two or more.

[0028] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A thermal desorption treatment device for oil-containing solid waste, characterized by: The invention comprises a desorption box (1), wherein the bottom end of the desorption box (1) is fixedly connected to a discharge hopper (2), the four corners of the bottom end of the discharge hopper (2) are fixedly connected to support legs (3), the top end of the desorption box (1) is provided with a feed port (12), the top end of the feed port (12) is provided with a top cover (13), the inner walls on both sides of the desorption box (1) are fixedly connected to oil outlet cylinders (4), the side of the oil outlet cylinder (4) is rotatably connected to a bearing arc plate (6), and the surface of one side of the desorption box (1) is fixedly connected to a filter box (17).

2. The thermal desorption treatment device for oil-containing solid waste according to claim 1, characterized in that: A radiant tube burner (14) is fixedly connected to the inner wall of the desorption box (1), and the radiant tube burner (14) is located directly above the supporting arc plate (6).

3. The thermal desorption treatment device for oil-containing solid waste according to claim 1, characterized in that: The lower surface of the supporting arc plate (6) is fixedly connected to an articulated joint (7), the bottom end of the articulated joint (7) is rotatably connected to an articulated block (8), the bottom end of the articulated block (8) is fixedly connected to an electric telescopic rod (9), the bottom end of the electric telescopic rod (9) is fixedly connected to an articulated block (10), the bottom end of the articulated block (10) is rotatably connected to a cross joint (11), and the cross joint (11) is fixedly connected to the inner wall of the discharge hopper (2).

4. The thermal desorption treatment device for oil-containing solid waste according to claim 1, characterized in that: The bearing arc plate (6) is arranged in an arched shape, the top end of the oil outlet cylinder (4) is arranged in an inclined shape, and a plurality of oil inlet holes (5) are provided on the inclined surface of the top end of the oil outlet cylinder (4).

5. The thermal desorption treatment device for oil-containing solid waste according to claim 1, characterized in that: An oil drain groove (23) is fixedly connected to one side surface of the desorption box (1), and the oil drain groove (23) corresponds to the position of the oil outlet cylinder (4).

6. The thermal desorption treatment device for oil-containing solid waste according to claim 1, characterized in that: The top of the desorption box (1) is fixedly connected to an air suction port (15), the top of the air suction port (15) is fixedly connected to an air supply pipe (16), one end of the air supply pipe (16) is fixedly connected to the top of the filter box (17), the top of the filter box (17) is fixedly connected to a suction fan (21), the output end of the suction fan (21) is fixedly connected to an air outlet pipe (22), the interior of the filter box (17) is fixedly connected to a snap-in frame (18), the interior of the snap-in frame (18) is movably connected to a filter module (19), and one end of the filter module (19) is fixedly connected to a pull handle (20).

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