Mixing and feeding device for thermal desorption treatment of drilling cuttings

Abstract

The invention discloses a mixing and feeding device for thermal desorption treatment of drilling cuttings, and belongs to the technical field of drilling cuttings processing. The movable round cover is arranged above the material mixing pool, and the movable round cover is rotationally connected with the material mixing pool through a bearing; the feeding frames are installed at the top end of the movable round cover in an embedded mode and used for temporarily storing drilling rock debris raw materials subjected to thermal desorption treatment, the bottom ends of the feeding frames are constructed to be inclined faces facilitating discharging, discharging channels are formed in the side faces of the feeding frames, plugging plates used for plugging the discharging channels are arranged on one sides of the feeding frames, vertical electric push rods are installed on the side faces of the feeding frames, and the vertical electric push rods are connected with the vertical electric push rods. A moving part of the vertical electric push rod is fixedly connected with the plugging plate, L-shaped limiting plates are connected to the two sides of the feeding frame, and a plurality of pulleys used for abutting against the plugging plate are connected to the inner walls of the limiting plates. According to the mixing and feeding device for treating the drilling cuttings through thermal desorption, the discharging speed of raw materials can be adjusted, and the thoroughness and smoothness of discharging can be guaranteed.

Description

Technical Field

[0001] The invention belongs to the technical field of drilling cuttings processing, in particular to a device for feeding a drilling cuttings mixture subjected to thermal desorption treatment. Background Art

[0002] At present, the processing of drilling cuttings generally adopts thermal desorption process, which requires that the standard of drilling cuttings entering the thermal desorption device should have a liquid content of ≤30%. If the collected drilling cuttings have a liquid content of >30%, it is necessary to mix the dry material and the mixed material to make the standard of drilling cuttings have a liquid content of ≤30%. The existing mixing of dry and wet materials is mostly done in a layer-by-layer manner when feeding, but the adjustment ability of the material is generally poor when feeding, and it cannot adapt to different usage needs.

[0003] After searching, a Chinese patent document (application publication number CN119215761A) discloses a thermal desorption treatment drilling cuttings mixing feeding device and a method of use, which relates to the technical field of drilling cuttings processing. The device comprises a mixing tank, a column is vertically installed at the center of the bottom of the mixing tank, and four support arms are rotatably connected to the upper end of the side wall of the column in a circular array, a support rod is vertically installed at one end of the support arm away from the column, and a moving wheel is installed at the lower end of the support rod. A distributing mechanism for distributing dry and wet materials in layers is provided on the support arm, and a mixing mechanism for mixing dry and wet materials is provided on the support arm. The present invention adds dry and wet materials to two hoppers respectively, and rotates the two hoppers so that the dry and wet materials are stacked together to facilitate the mixing of the dry and wet materials. The present invention rotates the mixing spiral blade by rolling the second gear along the second gear ring, and the mixing spiral blade lifts and flips the dry and wet materials to mix the dry and wet materials. The dry material and the wet material of the above patent are mixed in a layer-by-layer manner when feeding, but when feeding, the adjustment ability of feeding is general and cannot adapt to different usage needs. Summary of the invention

[0004] The object of the present invention is to provide a device for feeding a mixture of drilling cuttings by thermal desorption treatment to solve the problems raised in the background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a device for feeding a mixture of drilling cuttings by thermal desorption treatment, comprising: Mixing tank; A movable round cover is arranged above the mixing tank, and the movable round cover is rotatably connected to the mixing tank through a bearing; Multiple feed frames are embedded and installed on the top of the movable round cover, and are used for temporarily storing and accommodating drilling cuttings raw materials for thermal desorption treatment. The bottom end of the feed frame is constructed as an inclined surface for easy material discharge. A material discharge channel is opened on the side of the feed frame. A blocking plate for blocking the material discharge channel is arranged on one side of the feed frame. A vertical electric push rod is installed on the side of the feed frame. The moving part of the vertical electric push rod is connected and fixed to the blocking plate. L-shaped limit plates are connected to both sides of the feed frame. The inner wall of the limit plate is connected to multiple pulleys for resisting the blocking plate. Two hollow plates are installed on the inclined bottom surface of the feed frame, and the inner cavities of the two hollow plates are provided with side connecting plates. Two mounting plates are connected between the two side connecting plates. Multiple springs with telescopic functions are connected between the side connecting plates and the feed frame, and multiple exciters for exciting the feed frame are installed between the two mounting plates.

[0006] As a preferred embodiment, a plurality of feed frames are arranged in a circular array on the top end of the movable circular cover, the top end of the feed frame is rotatably connected to a frame cover, and the inner wall of the feed frame is provided with scale lines.

[0007] As a preferred embodiment, a perspective window for easy observation is embedded in the top of the frame cover, and a linear motor is installed on the top of the frame cover.

[0008] As a preferred embodiment, the top end of the moving part of the linear motor is connected to an L-shaped mounting plate, and the inner wall of the mounting plate is installed with a plurality of lighting lamps and a camera for recording the contents near the perspective window.

[0009] As a preferred embodiment, a hollow gear is fixedly connected to the outer periphery of the movable round cover, and a transverse connecting plate is fixedly connected to the outer periphery of the mixing tank.

[0010] As a preferred embodiment, a servo motor is installed at the top of the transverse connecting plate, the output shaft of the servo motor is connected to a vertical connecting rod, and the top of the vertical connecting rod is fixedly connected to a driving gear meshing with the hollow gear.

[0011] As a preferred embodiment, a plurality of storage protection boxes with openings at the bottom are embedded in the top of the movable round cover, an auxiliary electric push rod is embedded in the top of the storage protection box, and a sealing ring plate for sealing adapted to the mixing tank is connected to the bottom end of the movable round cover.

[0012] As a preferred embodiment, the moving part of the auxiliary electric push rod is equipped with a plurality of equally spaced stirring blades for stirring the thermal desorption treated drilling cuttings raw materials. A groove for the stirring blades to pass through is provided on the side of the sealing ring plate. A rubber pad is bonded to the outer periphery of the stirring blades, and the stirring blades are arranged at an angle.

[0013] As a preferred embodiment, a plurality of detectors and sensors for detection are installed at the bottom end of the movable round cover, and a vent pipe with a solenoid valve is embedded in the top end of the movable round cover.

[0014] As a preferred embodiment, a plurality of feed channels are provided at the top of the movable round cover, the inner wall of the feed channel is rotatably connected with a feed plate, a perspective window is also embedded in the top of the feed plate, and the feed plate is connected and fixed to the movable round cover by a lock.

[0015] Compared with the prior art, the technical effects and advantages of the present invention are as follows: The thermal desorption treatment drilling cuttings mixed material feeding device discharges the raw materials in the feeding frame from the feeding channel. The extension and retraction of the vertical electric push rod can change the height of the blocking plate to meet the different degrees of blocking of the feeding channel to obtain different required feeding speeds. The tightness of the pulley can ensure the stability of the blocking plate. The bottom end of the feed frame of the thermal desorption treatment drilling cuttings mixed material feeding device is constructed as an inclined surface, which improves the portability and thoroughness of material feeding. The vibrator can vibrate the bottom end of the feed frame to assist in material feeding and ensure the smoothness of material feeding. The design of the perspective window is convenient for the staff to observe the material feeding situation of the feed frame from the outside. The camera recording can replace manual observation. The linear motor can realize comprehensive recording. The thermal desorption treatment drilling cuttings mixed material feeding device, the servo motor drives the driving gear to rotate, thereby driving the hollow gear and the movable round cover to rotate. In this process, the feeding frames are fed at different positions to realize the laying of raw materials layer by layer. The speed adjustment of the feeding frames can change the laying conditions to meet different usage needs. The thermal desorption treatment drilling cuttings mixing feeding device, the auxiliary electric push rod is retracted, so that the stirring blade is in the storage protection box, and the raw materials in the mixing tank are not processed. When it is necessary to mix evenly, the auxiliary electric push rod is controlled to extend, so that the stirring blade goes deep into the mixing tank, and when the servo motor is driven, the raw materials are mixed evenly; The thermal desorption processing drilling cuttings mixed material feeding device can not only adjust the feeding speed of the raw materials, but also ensure the thoroughness and smoothness of the feeding. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a structural schematic diagram of the feed frame of the present invention; Figure 3 For the present invention Figure 2 A schematic diagram of the structure after removing the blocking plate and the auxiliary structure; Figure 4 It is a front view of the feed frame of the present invention; Figure 5 A bottom view of the hollow plate and the side connecting plate of the present invention; Figure 6 It is a cross-sectional view of the hollow plate and the side connecting plate of the present invention; Figure 7 It is a structural schematic diagram of the servo motor of the present invention; Figure 8 It is a structural schematic diagram of the storage protection box of the present invention; Fig. 9 It is a cross-sectional view of the storage protection box of the present invention; Fig.10 It is a bottom view of the movable round cover of the present invention.

[0017] Description of reference numerals: In the figure: 1. Mixing tank; 2. Movable round cover; 3. Feed frame; 4. Sealing plate; 5. Vertical electric push rod; 6. Limit plate; 7. Pulley; 8. Hollow plate; 9. Side connecting plate; 10. Mounting plate; 11. Vibrator; 12. Frame cover; 13. Linear motor; 14. Assembly plate; 15. Lighting lamp; 16. Camera; 17. Hollow gear; 18. Horizontal connecting plate; 19. Servo motor; 20. Driving gear; 21. Storage protection box; 22. Auxiliary electric push rod; 23. Sealing ring plate; 24. Stirring blade; 25. Detector; 26. Sensor; 27. Ventilation pipe; 28. Feed plate; 29. ​​Spring. DETAILED DESCRIPTION

[0018] In the following description, a large number of specific details are provided to provide a more thorough understanding of the present invention. However, it is apparent to those skilled in the art that the present invention can be implemented without one or more of these details. In other examples, in order to avoid confusion with the present invention, some technical features well known in the art are not described.

[0019] The connection method can be bonding, welding, bolt connection, etc., depending on actual needs.

[0020] See also Figures 1 to 10 , a device for feeding a mixture of drilling cuttings by thermal desorption treatment, this embodiment comprises: Mixing tank 1, the size of the mixing tank 1 is selected according to actual needs; The movable round cover 2 is arranged above the mixing tank 1, and the movable round cover 2 is rotatably connected to the mixing tank 1 through a bearing; A plurality of feed frames 3 are embedded in the top of the movable round cover 2 and are used for temporarily storing the drilling cuttings raw materials for thermal desorption treatment. The bottom end of the feed frame 3 is constructed as an inclined surface for convenient material discharge. A material discharge channel is provided on the side of the feed frame 3. A blocking plate 4 for blocking the material discharge channel is provided on one side of the feed frame 3. A vertical electric push rod 5 is installed on the side of the feed frame 3. The moving part of the vertical electric push rod 5 is connected and fixed to the blocking plate 4 to control the multiple vertical electric push rods 5 to contract to different degrees. The same degree of exposure of the material discharge channel can realize the laying of raw materials layer by layer. L-shaped limit plates 6 are connected to both sides of the feed frame 3. The inner wall of the limit plate 6 is connected to a plurality of pulleys 7 for resisting the blocking plate 4. The raw materials in the feed frame 3 are discharged from the material discharge channel. The extension and retraction of the vertical electric push rod 5 can change the height of the blocking plate 4 to meet the different degrees of blocking of the material discharge channel, so as to obtain different required material discharge speeds. The tightness of the pulley 7 can ensure the stability of the blocking plate 4. Two hollow plates 8 are installed on the inclined bottom surface of the feed frame 3, and the inner cavities of the two hollow plates 8 are provided with side connecting plates 9. Two mounting plates 10 are connected between the two side connecting plates 9. A plurality of springs 29 with telescopic function are connected between the side connecting plates 9 and the feed frame 3. A plurality of vibrators 11 for vibrating the feed frame 3 are installed between the two mounting plates 10. The vibrator 11 can vibrate the bottom end of the feed frame 3 to assist in material unloading and ensure the smoothness of material unloading. The position of the vibrator 11 is close to the unloading channel.

[0021] In order to observe, multiple feed frames 3 are arranged in a circular array at the top of the movable round cover 2, and the top of the feed frame 3 is rotatably connected to a frame cover 12. Different raw materials of thermal desorption-treated drilling cuttings are pre-introduced into different feed frames 3, and then the frame cover 12 is covered. The inner wall of the feed frame 3 is provided with scale lines, and a perspective window for easy observation is embedded in the top of the frame cover 12. A linear motor 13 is installed at the top of the frame cover 12. The linear motor 13 and the perspective window can also be on the vertical side of the feed frame 3 for easy observation. The top of the moving part of the linear motor 13 is connected to an L-shaped assembly plate 14, and the inner wall of the assembly plate 14 is installed with multiple lighting lamps 15 and a camera 16 for recording the content near the perspective window. The design of the perspective window is convenient for the staff to observe the unloading situation of the feed frame 3 from the outside. The recording of the camera 16 can replace manual observation, and the drive of the linear motor 13 can achieve comprehensive recording.

[0022] In order to drive, the outer periphery of the movable round cover 2 is fixedly connected with a hollow gear 17, the outer periphery of the mixing tank 1 is fixedly connected with a cross-connecting plate 18, a servo motor 19 is installed on the top of the cross-connecting plate 18, the output shaft of the servo motor 19 is connected with a vertical connecting rod, the top of the vertical connecting rod is fixedly connected with a driving gear 20 meshing with the hollow gear 17, the servo motor 19 drives the driving gear 20 to rotate, thereby driving the hollow gear 17 and the movable round cover 2 to rotate, and then controls multiple vertical electric push rods 5 to shrink to different degrees, exposing the unloading channel to different degrees, so that the raw materials can be laid layer by layer.

[0023] In order to adjust the stirring, a plurality of storage protection boxes 21 with openings at the bottom are embedded in the top of the movable round cover 2, an auxiliary electric push rod 22 is embedded in the top of the storage protection box 21, and a sealing ring plate 23 for sealing that is adapted to the mixing tank 1 is connected to the bottom end of the movable round cover 2. The moving part of the auxiliary electric push rod 22 is equipped with a plurality of equidistantly arranged stirring blades 24 for stirring the thermal desorption treated drilling cuttings raw materials. A groove for the stirring blade 24 to pass through is provided on the side of the sealing ring plate 23. A rubber pad is bonded to the outer periphery of the stirring blade 24. The stirring blade 24 is tilted. The contraction of the auxiliary electric push rod 22 makes the stirring blade 24 in the storage protection box 21 and does not process the raw materials in the mixing tank 1. When stirring is required, the auxiliary electric push rod 22 is controlled to extend so that the stirring blade 24 penetrates into the mixing tank 1. When the servo motor 19 is driven, the raw materials are stirred evenly.

[0024] In order to meet the needs of use, a plurality of detectors 25 and a plurality of sensors 26 for detection are installed at the bottom end of the movable round cover 2. The models and functions of the detectors 25 and the sensors 26 are selected according to actual needs of use. A ventilation pipe 27 with a solenoid valve is embedded in the top of the movable round cover 2. A plurality of feed channels are opened at the top of the movable round cover 2. A feed plate 28 is rotatably connected to the inner wall of the feed channel. A perspective window is also embedded in the top of the feed plate 28. The feed plate 28 is fixed to the movable round cover 2 by a lock.

[0025] The vertical electric push rod 5, the vibrator 11, the linear motor 13, the lighting lamp 15, the camera 16, the servo motor 19, the auxiliary electric push rod 22, the detector 25, the sensor 26 and the solenoid valve are all set as the prior art. The working principle, size and model are irrelevant to the function of the present application, so they are not described in detail. The control method of the present invention is controlled by a controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power is also common knowledge in this field. The present invention is mainly used to protect mechanical devices, so the present invention will no longer explain the control method and circuit connection in detail.

[0026] How it works The thermal desorption treatment drilling cuttings mixed material feeding device pre-introduces different thermal desorption treatment drilling cuttings raw materials into different feeding frames 3, and then covers the frame cover 12. When it is necessary to discharge the materials, the servo motor 19 is controlled to drive the driving gear 20 to rotate, thereby driving the hollow gear 17 and the movable round cover 2 to rotate, and then the multiple vertical electric push rods 5 are controlled to shrink to different degrees, and the discharge channels are exposed to different degrees, so that the raw materials can be laid layer by layer. The vibrator 11 can excite the bottom end of the feeding frame 3 to assist the discharge and ensure the smoothness of the discharge. The design of the perspective window is convenient for the staff to observe the discharge situation of the feeding frame 3 from the outside. The recording of the camera 16 can replace manual observation. The drive of the linear motor 13 can achieve comprehensive recording; The contraction of the auxiliary electric push rod 22 causes the stirring blade 24 to be in the storage protection box 21, and the raw materials in the mixing tank 1 are not processed. When stirring is required, the auxiliary electric push rod 22 is controlled to extend, so that the stirring blade 24 penetrates into the mixing tank 1, and when the servo motor 19 is driven, the raw materials are stirred evenly.

[0027] It should be noted that, in this document, relational terms such as one and two are merely used to distinguish one entity or operation from another entity or operation, but do not necessarily require or imply any actual relationship or order between these entities or operations.

[0028] 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 device for feeding a mixture of drilling cuttings by thermal desorption, characterized in that: include: Mixing tank (1); A movable round cover (2) is arranged above the mixing tank (1), and the movable round cover (2) is rotatably connected to the mixing tank (1) via a bearing; A plurality of feed frames (3) are embedded and installed on the top of the movable round cover (2) and are used for temporarily storing drilling cuttings raw materials for thermal desorption treatment. The bottom end of the feed frame (3) is constructed as an inclined surface for convenient material discharge. A material discharge channel is provided on the side of the feed frame (3). A blocking plate (4) for blocking the material discharge channel is provided on one side of the feed frame (3). A vertical electric push rod (5) is installed on the side of the feed frame (3). The moving part of the vertical electric push rod (5) is connected and fixed to the blocking plate (4). Both sides of the feed frame (3) are connected to L-shaped limit plates (6). The inner wall of the limit plate (6) is connected to a plurality of pulleys (7) for resisting the blocking plate (4); Two hollow plates (8) are installed on the inclined bottom surface of the feed frame (3), and the inner cavities of the two hollow plates (8) are each provided with a side connecting plate (9). Two mounting plates (10) are connected between the two side connecting plates (9). A plurality of springs (29) with telescopic function are connected between the side connecting plates (9) and the feed frame (3), and a plurality of exciters (11) for exciting the feed frame (3) are installed between the two mounting plates (10).

2. A thermal desorption treatment drilling cuttings mixed material feeding device according to claim 1, characterized in that: A plurality of the feed frames (3) are arranged in a circular array at the top end of the movable round cover (2); the top end of the feed frame (3) is rotatably connected to a frame cover (12); and the inner wall of the feed frame (3) is provided with scale lines.

3. A thermal desorption treatment drilling cuttings mixed material feeding device according to claim 2, characterized in that: A perspective window for easy observation is embedded in the top end of the frame cover (12), and a linear motor (13) is installed on the top end of the frame cover (12).

4. A thermal desorption treatment drilling cuttings mixed material feeding device according to claim 3, characterized in that: An L-shaped assembly plate (14) is connected to the top end of the moving part of the linear motor (13), and a plurality of lighting lamps (15) and a camera (16) for recording contents near the perspective window are installed on the inner wall of the assembly plate (14).

5. The device for feeding a mixture of drilling cuttings by thermal desorption treatment according to claim 1, characterized in that: A hollow gear (17) is fixedly connected to the outer periphery of the movable round cover (2), and a transverse connecting plate (18) is fixedly connected to the outer periphery of the mixing tank (1).

6. A thermal desorption treatment drilling cuttings mixed material feeding device according to claim 5, characterized in that: A servo motor (19) is installed at the top end of the transverse connecting plate (18), the output shaft of the servo motor (19) is connected to a vertical connecting rod, and the top end of the vertical connecting rod is fixedly connected to a driving gear (20) meshing with the hollow gear (17).

7. The device for feeding a mixture of drilling cuttings by thermal desorption treatment according to claim 1, characterized in that: A plurality of storage protection boxes (21) having openings at the bottom are embedded in the top of the movable round cover (2), an auxiliary electric push rod (22) is embedded in the top of the storage protection box (21), and a sealing ring plate (23) adapted to the mixing tank (1) and used for sealing is connected to the bottom of the movable round cover (2).

8. The device for feeding a mixture of drilling cuttings by thermal desorption treatment according to claim 7, characterized in that: The movable part of the auxiliary electric push rod (22) is equipped with a plurality of stirring blades (24) arranged at equal distances for stirring the thermal desorption processed drilling cuttings raw material, a groove for the stirring blades (24) to pass through is provided on the side of the sealing ring plate (23), a rubber pad is bonded to the outer periphery of the stirring blade (24), and the stirring blade (24) is arranged at an angle.

9. A device for feeding a mixture of drilling cuttings by thermal desorption treatment according to claim 8, characterized in that: A plurality of detectors (25) and a plurality of sensors (26) for detection are installed at the bottom end of the movable round cover (2), and a vent pipe (27) with a solenoid valve is embedded in the top end of the movable round cover (2).

10. The device for feeding a mixture of drilling cuttings by thermal desorption treatment according to claim 7, characterized in that: A plurality of feed channels are provided at the top of the movable round cover (2), and a feed plate (28) is rotatably connected to the inner wall of the feed channel. A perspective window is also embedded in the top of the feed plate (28), and the feed plate (28) is connected and fixed to the movable round cover (2) by means of a lock.

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