A graphene raw material transfer device and method

Abstract

The present invention relates to the technical field of graphene, and specifically relates to a transfer device for graphene raw materials, including a spiral stirring assembly for stirring and dispersing graphene raw materials through a stirring shaft arranged therein; a discharging assembly connected to a raw material output port below a raw material input port to discharge and output graphene raw materials from a discharging pipe, and a dust suppression device is arranged on the discharging assembly, and a purging device is arranged in the discharging pipe; a gas-solid separation device is arranged between the outlet end of the discharging pipe and the inlet of a receiving barrel for separating the gas in the purging device from the graphene raw materials; in the present invention, a spiral groove is opened on the inner wall of the feeding cylinder of the gas-solid separation device to press the gas into the conical cylinder and discharge it upward along the exhaust pipe, and the end of the spiral groove is located below the bottom end of the conical cylinder; the bottom end of the feeding cylinder is an open end communicating with the inlet of the receiving barrel, and the graphene raw materials are separated by spiral centrifugal force and enter the receiving barrel, avoiding dust floating around and polluting the surrounding air environment.

Description

Technical Field

[0001] The present invention relates to the technical field of graphene, and particularly relates to a device and method for transporting graphene raw materials. Background Art

[0002] Graphene is a new material with a single-layer two-dimensional honeycomb lattice structure formed by tightly packing carbon atoms connected by sp2 hybridization. Graphene has excellent optical, electrical, and mechanical properties, and has important application prospects in materials science, micro-nano processing, energy, biomedicine, drug delivery, etc., and is considered a revolutionary material in the future. The common powder production methods of graphene are mechanical exfoliation method, oxidation-reduction method, and SiC epitaxial growth method, and the thin film production method is chemical vapor deposition method (CVD).

[0003] In the prior art, is the main raw material for graphene processing. After the graphene raw material is transported, it needs to be taken out from the inside of the box. During the process of taking out the graphene raw material, since there is gas in the process of taking out the graphene raw material, the graphene raw material and the gas shear each other, resulting in the high-speed airflow extruded by the graphene raw material carrying dust and floating everywhere, polluting the surrounding air environment and endangering the health of workers;

[0004] Therefore, it is necessary to design a device and method for transporting graphene raw materials to solve the above problems. Summary of the Invention

[0005] The purpose of the present invention is to overcome the defects of the prior art and provide a device and method for transporting graphene raw materials.

[0006] The present invention provides a device for transporting graphene raw materials, including a screw stirring assembly for stirring and dispersing graphene raw materials through a stirring shaft arranged therein;

[0007] A discharging assembly is connected to the raw material output port below the raw material input port to discharge and output the graphene raw material from the discharging pipe. Among them, a dust suppression device is arranged on the discharging assembly, and a purging device is arranged in the discharging pipe;

[0008] A gas-solid separation device is arranged between the outlet end of the discharging pipe and the inlet of the receiving barrel to separate the gas in the purging device from the graphene raw material;

[0009] The gas-solid separation device includes a feeding cylinder and an exhaust pipe;

[0010] The top end of the feeding cylinder is a closed end, and the bottom end of the feeding cylinder is an open end;

[0011] A spiral groove is provided on the inner wall of the feed cylinder, and the first end of the spiral groove communicates with the outlet end of the discharge pipe; one end of the exhaust pipe extends out of the top end of the feed cylinder, and the other end of the exhaust pipe extends into the bottom end inside the feed cylinder, and a conical cylinder is connected to the other end of the exhaust pipe for pressing gas into the conical cylinder and discharging it upward along the exhaust pipe, and the end of the spiral groove is located below the bottom end of the conical cylinder;

[0012] The bottom end of the feed cylinder is an open end and communicates with the inlet of the receiving bucket for separating graphene raw materials into the receiving bucket under spiral centrifugal force;

[0013] A control device is connected to the spiral stirring assembly, the dust suppression device and the purging device. Among them, the control device is used to control the regulating mechanism to drive the baffle to move relative to the sealing cylinder according to the sensing signal of the dust sensor arranged on the discharging assembly to control the amount of graphene raw materials falling;

[0014] According to the adjustment instruction of the control device for the regulating mechanism and the set conveying quantity of graphene raw materials at the raw material to-be-input port in each cycle, the control instruction for the purging device is deduced through the calculation model stored in the memory of the control device, and the air volume and air distribution state of the purging device are controlled through the control instruction.

[0015] Furthermore, a storage tank is arranged below the spiral stirring assembly;

[0016] The spiral stirring assembly includes a second driving device installed on the top of the storage tank; a rotating shaft is arranged at one end of the output shaft of the second driving device extending into the interior of the storage tank, one end of the output shaft of the second driving device is connected to one end of the rotating shaft, a spiral blade is connected to the rotating shaft, the other end of the rotating shaft extends into the conical cavity at the bottom of the storage tank, brush groups are connected to both the left and right sides of the other end of the rotating shaft, and the bristles of each brush group are closely attached to the inner side wall of the storage tank;

[0017] A chassis is arranged at the bottom of the storage tank, a fixing frame is installed on the upper surface of the chassis, and the top of the storage tank is fixed by a clamping member at the top of the fixing frame;

[0018] A raw material transfer device is arranged at the bottom of the storage tank, and the bottom of the raw material transfer device is connected to the discharging assembly; the raw material transfer device and the discharging assembly are located on one side of the fixing frame, and the bottom of the discharging assembly is connected to the upper surface of the chassis;

[0019] A first driving device is installed in the middle of the fixing frame, and the control device is connected to the first driving device for controlling the on-off of the first driving device. A raw material to-be-input port is arranged at the top of the raw material transfer device, a raw material to-be-output port connected to the end of the raw material to-be-input port is arranged at the bottom of the raw material transfer device, and the raw material to-be-output port is connected to the discharging assembly;

[0020] A dust suppression device is installed inside the discharge assembly. One side of the bottom of the discharge assembly is connected to a discharge pipe, and a control valve and a purging device are installed on the discharge pipe.

[0021] Furthermore, the construction of the calculation model specifically includes:

[0022] Obtaining sample data of graphene raw materials being blown out from the discharge pipe under different usage states;

[0023] Generating a calculation model based on the sample data, where the calculation model is used to reflect the suppression control of the dust diffusion phenomenon caused by the graphene raw materials being blown out from the discharge pipe.

[0024] Furthermore, the sample data includes the set conveying quantity of graphene raw materials at the raw material to-be-input port in each cycle and the adjustment instructions of the control device for the adjustment mechanism corresponding thereto.

[0025] Furthermore, the suppression control is used to indicate that when one or more of the set conveying quantity of graphene raw materials at the raw material to-be-input port in each cycle and the adjustment instructions of the control device for the adjustment mechanism corresponding thereto change, the suppression of dust when the graphene raw materials are blown out from the discharge pipe by the purging device is within the set range.

[0026] Furthermore, the purging device includes: a plurality of air inlet pipes. One end of the air inlet pipe located inside the discharge pipe is connected to a nozzle, the nozzle is arranged towards the graphene raw material output direction, one end of the air inlet pipe is connected to the discharge pipe, the other end of the air inlet pipe located outside the discharge pipe is communicated with the air inlet end of the air supply device, and electronic valves are arranged on each of the plurality of air inlet pipes. The control device is respectively connected to the plurality of electronic valves for controlling the air volume and the air distribution state.

[0027] Furthermore, the discharge assembly includes a discharge cylinder;

[0028] The raw material transfer device includes a sealed cylinder. The raw material to-be-input port is arranged at the top of the sealed cylinder, and the raw material to-be-output port is arranged at the bottom of the sealed cylinder;

[0029] A first turntable is arranged inside the sealed cylinder. A connecting cylinder is arranged on the first turntable. The height of the connecting cylinder is the same as the height of the sealed cylinder. The discharge cylinder is arranged below the sealed cylinder, and a chassis is arranged below the discharge cylinder. A third driving device is installed on the chassis; the output end of the third driving device is sleeved on the sealed cylinder and the first turntable, the output end of the third driving device is fixedly connected to the sealed cylinder, and the output end of the third driving device is rotatably connected to the first turntable;

[0030] An inclined material plate is installed at the bottom inside the discharge cylinder.

[0031] Further, the dust suppression device includes an adjustment mechanism and a one-way diversion component;

[0032] The upper end of the discharge cylinder is communicated with the raw material to-be-output port through the adjustment mechanism. One side of the lower end of the discharge cylinder is provided with a graphene raw material discharge port. A dust sensor is installed inside the discharge cylinder;

[0033] The adjustment mechanism includes a fourth driving device and a baffle plate. The fourth driving device is installed at the bottom of the raw material transfer device. The baffle plate is located between the discharge cylinder and the raw material to-be-output port, and the area of the baffle plate is larger than the area of the raw material to-be-output port. The output end of the fourth driving device is connected to the baffle plate. The control device is connected to the fourth driving device and the dust sensor, and is used to control the output end of the fourth driving device to drive the baffle plate to move relative to the raw material to-be-output port according to the sensing signal of the dust sensor, so as to control the amount of the falling graphene raw material;

[0034] The one-way diversion component is nested inside the top of the discharge cylinder, and is used to make the falling graphene raw material flow stably downward in one direction; at both the top and bottom ends inside the one-way diversion component, a first tapered hole and a second tapered hole are provided, and the diameters of the first tapered hole and the second tapered hole gradually decrease towards the top and bottom ends of the one-way diversion component respectively. The first tapered hole and the second tapered hole are communicated through a one-way diversion structure hole; the one-way diversion structure hole is provided with a main flow channel, and a plurality of spiral flow channels are arranged at intervals on both sides of the main flow channel. The inlet and outlet of each spiral flow channel are communicated with the main flow channel;

[0035] An air inflation bag is arranged on the spiral flow channel. The air inflation bag is provided with an air inlet and an air outlet. The air inlet is connected to an air inflation pump arranged outside the discharge cylinder through an air inlet pipeline, and the air outlet is connected to an air collection bag arranged outside the discharge cylinder through an air outlet pipeline; and switch valves are arranged on both the air inlet pipeline and the air outlet pipeline. A pressure sensor is arranged inside the air inflation bag;

[0036] Further, a transfer method using the graphene raw material transfer device includes the following steps:

[0037] Step 1: Start the spiral stirring assembly to stir and disperse the graphene raw material;

[0038] Step 2: Start the first driving device, and under the control of the pointing of the raw material input signal, convey a certain amount of graphene raw material to the raw material to-be-input port. After the conveyance of the certain amount of graphene raw material is completed, turn off the first driving device;

[0039] Step 3: Output a quantified amount of graphene raw material from the discharge pipe of the discharge component; and control and adjust the mechanism of the dust suppression device to drive the baffle to move relative to the sealing cylinder to control the amount of the falling graphene raw material, so that the falling speed of the graphene raw material decreases; according to the adjustment instruction of the adjustment mechanism by the control device and the set transportation amount of the graphene raw material at the raw material waiting input port in each cycle, deduce the control instruction for the purging device through the calculation model stored in the memory of the control device, and the control instruction controls the air volume and air distribution state of the purging device;

[0040] Step 4: Pass the graphene raw material blown out from the discharge pipe through a gas-solid separation device to discharge the gas in the graphene raw material from the exhaust pipe, and separate the graphene raw material by spiral centrifugal force into the receiving barrel.

[0041] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0042] (1) The present invention is provided with a gas-solid separation device. When taking out the graphene raw material containing gas from the discharge pipe, by opening a spiral groove on the inner wall of the feed cylinder of the gas-solid separation device, the first end of the spiral groove is communicated with the outlet end of the discharge pipe, one end of the exhaust pipe extends out of the top end of the feed cylinder, the other end of the exhaust pipe extends into the bottom end of the feed cylinder, and a conical cylinder is connected to the other end of the exhaust pipe for pressing the gas into the conical cylinder and discharging it upward along the exhaust pipe, and the end of the spiral groove is located below the bottom end of the conical cylinder; the bottom end of the feed cylinder is an open end and is communicated with the inlet of the receiving barrel for separating the graphene raw material by spiral centrifugal force into the receiving barrel; thereby separating the graphene raw material mixed with gas and avoiding dust floating around and polluting the surrounding air environment;

[0043] (2) The present invention is also provided with a dust suppression device and a purging device. The dust suppression device is provided to make the graphene raw material fall stably in one direction. According to the adjustment instruction of the adjustment mechanism by the control device and the set transportation amount of the graphene raw material at the raw material waiting input port in each cycle, deduce the control instruction for the purging device through the calculation model stored in the memory of the control device, and control the air volume and air distribution state of the purging device through the control instruction, so that when the purging device blows out the graphene raw material output from the discharge port of the discharge component from the discharge pipe, it will not float around, thus preventing the phenomenon of dust diffusion. Description of the Drawings

[0044] The following drawings only schematically illustrate and explain the present invention and are not used to limit the scope of the present invention, wherein:

[0045] Figure 1 : Schematic structural diagram of the graphene raw material transfer device of the present invention;

[0046] Figure 2 : Schematic installation diagram of the discharge component and the raw material transfer device of the present invention;

[0047] Figure 3 : Schematic diagram of the installation of the discharge barrel and discharge pipe of the present invention;

[0048] Figure 4 : Schematic diagram of the structure of the clamping member of the present invention;

[0049] Figure 5 : Schematic diagram of the structure of the dust suppression device of the present invention;

[0050] Figure 6 : Schematic diagram of the structure of the gas-solid separation device of the present invention;

[0051] In the figure: 1 - chassis, 2 - storage tank, 3 - rotating shaft, 4 - sealing cylinder, 5 - purging device, 6 - discharge barrel, 61 - first conical hole, 62 - second conical hole, 63 - one-way diversion structure hole, 7 - feed barrel, 8 - discharge pipe, 9 - universal wheel, 10 - first clamping structure member, 11 - second clamping structure member, 12 - receiving bucket, 13 - intake pipeline, 14 - exhaust pipeline. Detailed implementation manners

[0052] In order to make the purpose, technical solutions, design methods and advantages of the present invention clearer, the present invention will be further described in detail below through specific embodiments with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0053] As Figures 1 - 6 shown, the present invention provides a graphene raw material transfer device, including a spiral stirring assembly for stirring and dispersing graphene raw materials through a stirring shaft arranged therein;

[0054] a discharge assembly connected to the raw material output port below the raw material input port to discharge and output graphene raw materials from the discharge pipe 8, wherein; a dust suppression device is arranged on the discharge assembly, and a purging device 5 is arranged in the discharge pipe 8;

[0055] a gas-solid separation device arranged between the outlet end of the discharge pipe 8 and the inlet of the receiving bucket 12 for separating the gas in the purging device 5 from the graphene raw materials;

[0056] The gas-solid separation device includes a feed barrel 7 and an exhaust pipe;

[0057] The top end of the feed barrel 7 is a closed end, and the bottom end of the feed barrel 7 is an open end;

[0058] A spiral groove is formed on the inner wall of the feed cylinder 7, and the head end of the spiral groove is communicated with the outlet end of the discharge pipe 8; one end of the exhaust pipe extends out of the top end of the feed cylinder 7, and the other end of the exhaust pipe extends into the bottom end of the feed cylinder 7, and a conical cylinder is connected to the other end of the exhaust pipe for pressing gas into the conical cylinder and discharging it upward along the exhaust pipe, and the tail end of the spiral groove is located below the bottom end of the conical cylinder;

[0059] The bottom end of the feed cylinder 7 is an open end and is communicated with the inlet of the receiving bucket 12 for separating the graphene raw material into the receiving bucket 12 under the action of spiral centrifugal force; a conical cavity is arranged in the receiving bucket 12 to prevent the graphene raw material from floating out after entering;

[0060] A control device is connected to the spiral stirring assembly, the dust suppression device and the purging device 5. The control device is used to control the adjusting mechanism to drive the baffle to move relative to the sealing cylinder 4 according to the sensing signal of the dust sensor arranged on the discharging assembly so as to control the amount of the falling graphene raw material.

[0061] According to the adjustment instruction of the control device for the adjusting mechanism and the set amount of the graphene raw material conveyed from the raw material to-be-input port in each cycle, the control instruction for the purging device 5 is deduced through the calculation model stored in the memory of the control device, and the air volume and the air distribution state of the purging device 5 are controlled through the control instruction, so as to prevent dust diffusion when the purging device 5 blows the graphene raw material output from the discharging port of the discharging assembly out of the discharge pipe 8.

[0062] Among them, the construction of the calculation model specifically includes:

[0063] Obtaining sample data when the graphene raw material is blown out of the discharge pipe 8 under different usage states;

[0064] Generating a calculation model based on the sample data, where the calculation model is used to reflect the suppression control of the dust diffusion phenomenon when the graphene raw material is blown out of the discharge pipe 8.

[0065] The sample data includes the set amount of the graphene raw material conveyed from the raw material to-be-input port in each cycle and the corresponding adjustment instruction of the control device for the adjusting mechanism.

[0066] The suppression control is used to indicate that when one or more of the set amount of the graphene raw material conveyed from the raw material to-be-input port in each cycle and the corresponding adjustment instruction of the control device for the adjusting mechanism change, the suppression of the dust when the graphene raw material is blown out of the discharge pipe 8 by the purging device 5 is within the set range.

[0067] Among them, a storage tank 2 is arranged below the spiral stirring assembly;

[0068] The spiral stirring assembly includes a second driving device installed at the top of the storage tank 2; one end of the output shaft of the second driving device extending into the interior of the storage tank 2 is provided with a rotating shaft 3. One end of the output shaft of the second driving device is connected to one end of the rotating shaft 3. The rotating shaft 3 is connected with spiral blades. The other end of the rotating shaft 3 extends into the conical cavity at the bottom of the storage tank 2. Brush groups are connected to both the left and right sides of the other end of the rotating shaft 3, and the bristles of each brush group are closely attached to the inner side wall of the storage tank 2;

[0069] A chassis 1 is arranged at the bottom of the storage tank 2. A fixing frame is installed on the upper surface of the chassis 1, and the top of the fixing frame fixes the top of the storage tank 2 through a clamping member;

[0070] A raw material transfer device is arranged at the bottom of the storage tank 2. The bottom of the raw material transfer device is connected to the discharging assembly; the raw material transfer device and the discharging assembly are located on one side of the fixing frame, and the bottom of the discharging assembly is connected to the upper surface of the chassis 1;

[0071] A first driving device is installed in the middle of the fixing frame. The control device is connected to the first driving device for controlling the on / off of the first driving device. A raw material waiting input port is arranged at the top of the raw material transfer device. A raw material waiting output port connected to the end of the raw material waiting input port is arranged at the bottom of the raw material transfer device, and the raw material waiting output port is connected to the discharging assembly;

[0072] As Figure 3 shown, a dust suppression device is installed in the discharging assembly. One side of the bottom of the discharging assembly is connected to a discharging pipe 8, and a control valve and a purging device 5 are installed on the discharging pipe 8.

[0073] As Figure 4 shown, the clamping member - includes a first clamping structural member 10 and a second clamping structural member 11. Arc-shaped ends adapted to the outer side wall of the storage tank 2 are arranged at the clamping ends of one end of the first clamping structural member 10 and the second clamping structural member 11. Threaded holes are arranged at the other ends of the first clamping structural member 10 and the second clamping structural member 11; wherein, the other ends of the first clamping structural member 10 and the second clamping structural member 11 are connected to the top of the fixing frame through a connecting member; the connecting member is a screw and a nut;

[0074] As Figure 1 shown, the graphene raw material transfer device further includes multiple groups of universal wheels 9. The multiple groups of universal wheels 9 are arranged under the chassis 1 to drive the device on the chassis 1 to move;

[0075] Further, the purging device 5 includes: a plurality of air inlet pipes, one end of each air inlet pipe located inside the discharge pipe 8 is connected to a nozzle, the nozzle is arranged facing the output direction of the graphene raw material, one end of the air inlet pipe is connected to the discharge pipe 8, the other end of the air inlet pipe located outside the discharge pipe 8 is communicated with the air supply end of the air supply device, and electronic valves are arranged on each of the plurality of air inlet pipes. The control device is respectively connected to the plurality of electronic valves and is used to control the air volume and the air distribution state, so as to prevent dust diffusion when blowing the graphene raw material output from the discharge port of the discharge assembly out of the discharge pipe 8;

[0076] Further, the discharge assembly includes a discharge cylinder 6;

[0077] The raw material transfer device includes a sealed cylinder 4, a raw material to-be-input port is arranged at the top of the sealed cylinder 4, and a raw material to-be-output port is arranged at the bottom of the sealed cylinder 4;

[0078] A first turntable is arranged inside the sealed cylinder 4, a connecting cylinder is arranged on the first turntable, the height of the connecting cylinder is the same as the cylinder height of the sealed cylinder 4, the discharge cylinder 6 is arranged below the sealed cylinder 4, a chassis is arranged below the discharge cylinder 6, and a third driving device is installed on the chassis; the output end of the third driving device is sleeved on the sealed cylinder 4 and the first turntable, the output end of the third driving device is fixedly connected to the sealed cylinder 4, and the output end of the third driving device is rotatably connected to the first turntable;

[0079] An inclined material plate is installed at the bottom inside the discharge cylinder 6; wherein, the included angle between the inclined material plate and the bottom inside the discharge cylinder 6 is 10° - 60°, and the discharge pipe 8 is a downward-bent pipe; in a specific implementation, the included angle between the inclined material plate and the bottom inside the discharge cylinder 6 is 30°;

[0080] As Figure 5 shown, the dust suppression device includes an adjusting mechanism and a one-way diversion component;

[0081] The upper end of the discharge cylinder 6 is communicated with the raw material to-be-output port through the adjusting mechanism, a graphene raw material discharge port is arranged on one side of the lower end of the discharge cylinder 6, and a dust sensor is installed inside the discharge cylinder 6;

[0082] The adjusting mechanism includes a fourth driving device and a baffle plate. The fourth driving device is installed at the bottom of the raw material transfer device. The baffle plate is located between the discharge cylinder 6 and the raw material to-be-output port, and the area of the baffle plate is larger than the area of the raw material to-be-output port. The output end of the fourth driving device is connected to the baffle plate. The control device is connected to the fourth driving device and the dust sensor, and is used to control the output end of the fourth driving device to drive the baffle plate to move relative to the raw material to-be-output port according to the sensing signal of the dust sensor, so as to control the amount of the falling graphene raw material;

[0083] The one-way flow guiding component is nested inside the top of the discharge barrel 6 and is used to make the falling graphene raw material flow stably downward in one direction; at both the inner top and bottom ends of the one-way flow guiding component, a first conical hole 61 and a second conical hole 62 are provided, and the diameters of the first conical hole 61 and the second conical hole 62 gradually decrease towards the top and bottom ends of the one-way flow guiding component respectively. The first conical hole 61 and the second conical hole 62 are connected through a one-way flow guiding structure hole 63; the one-way flow guiding structure hole is provided with a main flow channel, and a number of spiral flow channels are arranged at intervals on both sides of the main flow channel. The inlet and outlet of each spiral flow channel are both connected to the main flow channel;

[0084] An inflatable bag is arranged on the spiral flow channel. The inflatable bag is provided with an inflation port and an air outlet. The inflation port is connected to an air inflation pump arranged outside the discharge barrel through an inlet pipeline 13, and the air outlet is connected to a gas collection bag arranged outside the discharge barrel through an outlet pipeline 14; and switch valves are arranged on both the inlet pipeline 13 and the outlet pipeline 14. A pressure sensor is built in the inflatable bag, and the control device is connected to the pressure sensor and the switch valve. Initially, the inflatable bag is filled with a predetermined amount of gas so that the inflatable bag maintains a concave shape at the spiral flow channel. When the graphene powder falls, most of it first falls at the position of the inflatable bag for buffering. Since the continuous falling will cause the graphene powder accumulated on the inflatable bag to increase, when the set pressure value is reached, at this time, the inflatable bag can be inflated to make the inflatable bag expand, so that the graphene powder falling on the inflatable bag falls to the next level during the expansion process of the inflatable bag; on the one hand, the inflatable bag provides a buffering effect, and on the other hand, it can eliminate the powder hanging caused by the long-term accumulation of the graphene raw material at the spiral flow channel, so as not to cause dust diffusion;

[0085] The adjusting mechanism includes a fourth driving device and a baffle plate. The fourth driving device is installed at the bottom of the raw material transfer device. The baffle plate is installed at the bottom of the raw material to be output port, and the area of the baffle plate is larger than the area of the raw material to be output port. The output end of the fourth driving device is connected to the baffle plate. The control device is connected to the fourth driving device and the dust sensor, and is used to control the output end of the fourth driving device to drive the baffle plate to move relative to the raw material to be output port according to the sensing signal of the dust sensor to control the amount of the falling graphene raw material, and the falling speed of the graphene raw material is reduced by controlling the feeding amount of the graphene raw material;

[0086] The one-way flow guiding component is nested inside the top of the discharge barrel 6 and is used to make the falling graphene raw material fall stably downward in one direction. By arranging an inflatable bag at the spiral flow channel of the one-way flow guiding structure hole 63 of the one-way flow guiding component, on the one hand, the inflatable bag provides a buffering effect, and on the other hand, it can eliminate the powder hanging caused by the long-term accumulation of the graphene raw material at the spiral flow channel, so as not to cause dust diffusion;

[0087] A transfer method using a graphene raw material transfer device, comprising the following steps:

[0088] Step 1: Start the screw stirring assembly to stir and disperse the graphene raw material;

[0089] Step 2: Start the first driving device, and under the control of the raw material input signal, convey a quantitative graphene raw material to the raw material to-be-input port. After the conveyance of the quantitative graphene raw material is completed, turn off the first driving device;

[0090] Step 3: Output the quantitative graphene raw material from the discharge pipe 8 of the discharge assembly; and control and adjust the mechanism of the dust suppression device to drive the baffle to move relative to the sealing cylinder 4 to control the amount of the falling graphene raw material, so that the falling speed of the graphene raw material decreases; according to the adjustment instruction of the control device for the adjustment mechanism and the set conveyance amount of the graphene raw material from the raw material to-be-input port in each cycle, deduce the control instruction for the purging device 5 through the calculation model stored in the memory of the control device, and control the air volume and air distribution state of the purging device 5 with the control instruction, so as to achieve that when the purging device 5 blows the graphene raw material output from the discharge port of the discharge assembly out of the discharge pipe 8, no dust diffusion phenomenon will occur;

[0091] Step 4: Pass the graphene raw material blown out from the discharge pipe 8 through the gas-solid separation device to discharge the gas in the graphene raw material from the exhaust pipe, and separate the graphene raw material into the receiving bucket 12 by spiral centrifugal force;

[0092] It should be noted that: in the present invention, a gas-solid separation device is provided. When taking out the graphene raw material containing gas from the discharge pipe, a spiral groove is opened on the inner wall of the feeding cylinder of the gas-solid separation device. The first end of the spiral groove is communicated with the outlet end of the discharge pipe. One end of the exhaust pipe extends out of the top end of the feeding cylinder, and the other end of the exhaust pipe extends into the bottom end of the feeding cylinder. And a conical cylinder is connected to the other end of the exhaust pipe for pressing the gas into the conical cylinder and discharging it upward along the exhaust pipe, and the end of the spiral groove is located below the bottom end of the conical cylinder; the bottom end of the feeding cylinder is an open end and is communicated with the inlet of the receiving bucket for separating the graphene raw material into the receiving bucket by spiral centrifugal force; thereby separating the graphene raw material mixed with gas and avoiding the dust from floating around and polluting the surrounding air environment;

[0093] A dust suppression device and a purging device are provided. The dust suppression device is provided to make the graphene raw material fall stably in one direction. According to the adjustment instruction of the control device for the adjustment mechanism and the set conveyance amount of the graphene raw material from the raw material to-be-input port in each cycle, deduce the control instruction for the purging device through the calculation model stored in the memory of the control device, and control the air volume and air distribution state of the purging device with the control instruction, so as to achieve that when the purging device blows the graphene raw material output from the discharge port of the discharge assembly out of the discharge pipe, it will not float around, thus not causing a dust diffusion phenomenon.

[0094] The embodiments of the present invention have been described above. The above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations are obvious to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The choice of terms used herein is intended to best explain the principles of the embodiments, practical applications, or technical improvements in the market, or to enable other ordinary skilled persons in the art to understand the embodiments disclosed herein.

Claims

1. A graphene raw material transfer device, characterized in that, It includes a spiral stirring assembly for stirring and dispersing graphene raw materials through a stirring shaft arranged therein; A discharging assembly, connected to a raw material to-be-output port below a raw material to-be-input port, for discharging and outputting graphene raw materials from a discharging pipe. Among them, a dust suppression device is arranged on the discharging assembly, and a purging device is arranged in the discharging pipe; A gas-solid separation device, arranged between the outlet end of the discharging pipe and the inlet of the receiving bucket, for separating the gas in the purging device from the graphene raw materials; The gas-solid separation device includes a feeding cylinder and an exhaust pipe; The top end of the feeding cylinder is a closed end, and the bottom end of the feeding cylinder is an open end; A spiral groove is formed on the inner wall of the feeding cylinder, and the head end of the spiral groove is communicated with the outlet end of the discharging pipe; one end of the exhaust pipe extends out of the top end of the feeding cylinder, and the other end of the exhaust pipe extends into the bottom end of the feeding cylinder, and a conical cylinder is connected to the other end of the exhaust pipe for pressing the gas into the conical cylinder and discharging it upward along the exhaust pipe, and the tail end of the spiral groove is located below the bottom end of the conical cylinder; The bottom end of the feeding cylinder is an open end and is communicated with the inlet of the receiving bucket for separating the graphene raw materials into the receiving bucket under spiral centrifugal force; A control device, connected to the spiral stirring assembly, the dust suppression device and the purging device. Among them, the control device is used to control and adjust the mechanism to drive the baffle to move relative to the sealing cylinder according to the sensing signal of a dust sensor arranged on the discharging assembly to control the amount of falling graphene raw materials; According to the adjustment instruction of the control device to the adjustment mechanism and the set conveying amount of graphene raw materials at the raw material to-be-input port in each cycle, a control instruction for the purging device is deduced through a calculation model stored in the memory of the control device, and the air output volume and air output distribution state of the purging device are controlled through the control instruction; The construction of the calculation model specifically includes: Obtaining sample data when graphene raw materials are blown out of the discharging pipe under different usage states; Generating a calculation model based on the sample data, where the calculation model is used to reflect the suppression control of the phenomenon of dust diffusion when graphene raw materials are blown out of the discharging pipe; The sample data includes the set conveying amount of graphene raw materials at the raw material to-be-input port in each cycle and the corresponding adjustment instruction of the control device to the adjustment mechanism; The suppression control is used to indicate that when one or more of the set conveying amount of graphene raw materials at the raw material to-be-input port in each cycle and the corresponding adjustment instruction of the control device to the adjustment mechanism change, the suppression of dust when the graphene raw materials are blown out of the discharging pipe through the purging device is within a set range; The purging device includes: a plurality of air inlet pipes, one end of the air inlet pipe located inside the discharging pipe is connected with a nozzle, the nozzle is arranged towards the graphene raw material output direction, one end of the air inlet pipe is connected to the discharging pipe, the other end of the air inlet pipe located outside the discharging pipe is communicated with the air inlet end of the air supply device, and electronic valves are arranged on a plurality of air inlet pipes respectively, and the control device is connected to the plurality of electronic valves respectively for controlling the air output volume and air output distribution state.

2. The graphene raw material transfer device according to claim 1, wherein, A storage tank is arranged below the spiral stirring assembly; The spiral stirring assembly includes a second driving device installed at the top of the storage tank; one end of the output shaft of the second driving device extending into the interior of the storage tank is provided with a rotating shaft, one end of the output shaft of the second driving device is connected to one end of the rotating shaft, a spiral blade is connected to the rotating shaft, the other end of the rotating shaft extends into the conical cavity at the bottom of the storage tank, and brush groups are connected to both the left and right sides of the other end of the rotating shaft, and the bristles of each brush group are closely attached to the inner side wall of the storage tank; A chassis is provided at the bottom of the storage tank, a fixing frame is installed on the upper surface of the chassis, and the top of the fixing frame fixes the top of the storage tank through a clamping member; A raw material transfer device is provided at the bottom of the storage tank, and the bottom of the raw material transfer device is connected to the discharge assembly; the raw material transfer device and the discharge assembly are located on one side of the fixing frame, and the bottom of the discharge assembly is connected to the upper surface of the chassis; A first driving device is installed in the middle of the fixing frame, and the control device is connected to the first driving device for controlling the on-off of the first driving device. A raw material to-be-input port is provided at the top of the raw material transfer device, a raw material to-be-output port connected to the end of the raw material to-be-input port is provided at the bottom of the raw material transfer device, and the raw material to-be-output port is connected to the discharge assembly; A dust suppression device is installed in the discharge assembly, a discharge pipe is connected to one side of the bottom of the discharge assembly, and a control valve and a purging device are installed on the discharge pipe.

3. The graphene raw material transfer device according to claim 2, wherein, The discharge assembly includes a discharge cylinder; The raw material transfer device includes a sealed cylinder, the raw material to-be-input port is provided at the top of the sealed cylinder, and the raw material to-be-output port is provided at the bottom of the sealed cylinder; A first turntable is arranged in the sealed cylinder, a connecting cylinder is arranged on the first turntable, the height of the connecting cylinder is the same as the height of the sealed cylinder, the discharge cylinder is arranged below the sealed cylinder, a chassis is arranged below the discharge cylinder, and a third driving device is installed on the chassis; the output end of the third driving device is sleeved on the sealed cylinder and the first turntable, the output end of the third driving device is fixedly connected to the sealed cylinder, and the output end of the third driving device is rotatably connected to the first turntable; An inclined baffle is installed at the inner bottom of the discharge cylinder.

4. The graphene raw material transfer device according to claim 3, wherein, The dust suppression device includes an adjusting mechanism and a one-way diversion component; The upper end of the discharge cylinder is communicated with the raw material to-be-output port through the adjusting mechanism, a graphene raw material discharge port is arranged on one side of the lower end of the discharge cylinder, and a dust sensor is installed in the discharge cylinder; The adjusting mechanism includes a fourth driving device and a baffle plate. The fourth driving device is installed at the bottom of the raw material transfer device. The baffle plate is located between the discharge cylinder and the raw material to-be-output port, and the area of the baffle plate is larger than that of the raw material to-be-output port. The output end of the fourth driving device is connected to the baffle plate. The control device is connected to the fourth driving device and the dust sensor, and is used to control the output end of the fourth driving device to drive the baffle plate to move relative to the raw material to-be-output port according to the sensing signal of the dust sensor, so as to control the amount of the falling graphene raw material. The one-way diversion component is nested inside the top of the discharge cylinder, and is used to make the falling graphene raw material flow downward unidirectionally. At both the inner top and bottom ends of the one-way diversion component, a first conical hole and a second conical hole are provided, and the diameters of the first conical hole and the second conical hole gradually decrease towards the top and bottom ends of the one-way diversion component respectively. The first conical hole and the second conical hole are connected through a one-way diversion structure hole. The one-way diversion structure hole is provided with a main flow channel, and a number of spiral flow channels are arranged at intervals on both sides of the main flow channel. The inlet and outlet of each spiral flow channel are both connected to the main flow channel. An inflatable bag is arranged on the spiral flow channel. The inflatable bag is provided with an inflation port and an air outlet. The inflation port is connected to an air inflation pump arranged outside the discharge cylinder through an air inlet pipeline, and the air outlet is connected to a gas collection bag arranged outside the discharge cylinder through an air outlet pipeline. And switch valves are arranged on both the air inlet pipeline and the air outlet pipeline. A pressure sensor is arranged inside the inflatable bag.

5. A transfer method using the graphene raw material transfer device according to any one of claims 1-4, comprising the following steps: Step 1: Start the spiral stirring assembly to stir and disperse the graphene raw material. Step 2: Start the first driving device, and under the pointing control of the raw material input signal, convey a certain amount of graphene raw material to the raw material to-be-input port. After the conveyance of the certain amount of graphene raw material is completed, turn off the first driving device. Step 3: Output the certain amount of graphene raw material from the discharge pipe of the discharge assembly; and control the adjusting mechanism to drive the baffle plate to move relative to the sealing cylinder through the dust suppression device to control the amount of the falling graphene raw material, so that the falling speed of the graphene raw material decreases; according to the adjustment instruction of the adjusting mechanism by the control device and the set conveyance amount of the graphene raw material from the raw material to-be-input port in each cycle, deduce the control instruction for the purging device through the calculation model stored in the memory of the control device, and the control instruction controls the air volume and the air distribution state of the purging device. Step 4: Pass the graphene raw material blown out from the discharge pipe through the gas-solid separation device to discharge the gas in the graphene raw material from the exhaust pipe, and separate the graphene raw material by spiral centrifugal force and enter the receiving bucket.

Images