Graphene raw material transfer device and method

Abstract

The invention relates to the technical field of graphene, in particular to a graphene raw material transfer device which comprises a spiral stirring assembly used for stirring and dispersing graphene raw materials through a stirring shaft arranged in the spiral stirring assembly; the discharging assembly is connected to a raw material to-be-output port in the lower portion of the raw material to-be-input port and used for discharging and outputting the graphene raw materials from a discharging pipe, a dust suppression device is arranged on the discharging assembly, and a blowing device is arranged in the discharging pipe; the gas-solid separation device is arranged between the outlet end of the discharging pipe and the inlet of the material receiving barrel and is used for separating the gas in the purging device from the graphene raw material; the spiral groove is formed in the inner wall of the feeding cylinder of the gas-solid separation device, gas is pressed into the conical cylinder and exhausted upwards 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 communicates with an inlet of the material receiving barrel, graphene raw materials are separated under spiral centrifugal force and enter the material receiving barrel, and the situation that dust flies everywhere and pollutes the surrounding air environment is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of graphene, and in particular 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 of carbon atoms tightly stacked by sp2 hybridization. Graphene has excellent optical, electrical and mechanical properties, and has important application prospects in materials science, micro-nano processing, energy, biomedicine and drug delivery. It is considered to be a revolutionary material in the future. The common methods for producing graphene powders are mechanical exfoliation, redox method, and SiC epitaxial growth method, and the thin film production method is chemical vapor deposition (CVD).

[0003] In the prior art, graphene 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 the graphene raw material contains gas, the graphene raw material and the gas shear each other, resulting in the high-speed airflow squeezed out by the graphene raw material carrying dust and floating around, polluting the surrounding air environment and endangering the health of workers.

[0004] Therefore, it is necessary to design a graphene raw material transport device and method that solves 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 graphene raw material transfer device and method.

[0006] The present invention provides a graphene raw material transport device, comprising a spiral stirring assembly, which is used to stir and disperse the graphene raw material through a stirring shaft arranged therein;

[0007] A discharge assembly connected to the raw material output port at the lower part of the raw material input port, used for discharging the graphene raw material from the discharge pipe, wherein: a dust suppression device is provided on the discharge assembly, and a purge device is provided in the discharge pipe;

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

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

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

[0011] A spiral groove is provided on the inner wall of the feed barrel, and the first end of the spiral groove is connected to the outlet end of the discharge pipe; one end of the exhaust pipe extends out of the top of the feed barrel, and the other end of the exhaust pipe extends into the bottom of the feed barrel, and the other end of the exhaust pipe is connected to a conical barrel, which is used to press the gas into the conical barrel and discharge it upward along the exhaust pipe, and the end of the spiral groove is located below the bottom end of the conical barrel;

[0012] The bottom end of the feed barrel is an open end connected to the inlet of the receiving barrel, and is used to separate the graphene raw material into the receiving barrel under the spiral centrifugal force;

[0013] A control device connected to the spiral stirring assembly, the dust suppression device and the purge device, wherein the control device is used to control the regulating mechanism to drive the baffle plate to move relative to the sealing cylinder according to the sensor signal of the dust sensor arranged on the discharging assembly to control the amount of the falling graphene raw material;

[0014] Based on the adjustment instructions of the control device to the adjustment mechanism and the set amount of graphene raw material delivered from the raw material input port in each cycle, the control instructions to the purge device are inferred through the calculation model stored in the memory of the control device, and the air output volume and air distribution state of the purge device are controlled by the control instructions.

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

[0016] The spiral stirring assembly includes a second driving device installed on the top of the storage tank; an 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 the left and right sides of the other end of the rotating shaft are connected to brush groups, and the bristle part of each brush group is close to the inner wall of the storage tank;

[0017] A base frame is provided at the bottom of the storage tank, a fixing frame is installed on the upper surface of the base frame, and the top of the fixing frame fixes the top of the storage tank through a clamping member;

[0018] 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 fixed frame, and the bottom of the discharge assembly is connected to the upper surface of the base frame;

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

[0020] 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 purge device are installed on the discharge pipe.

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

[0022] Obtain sample data of graphene raw materials being blown out of the discharge pipe under different usage conditions;

[0023] A calculation model is generated based on the sample data, wherein the calculation model is used to reflect the suppression control of dust diffusion phenomenon caused when the graphene raw material is blown out from the discharge pipe.

[0024] Furthermore, the sample data includes a set amount of graphene raw material delivered from the raw material input port in each cycle and a corresponding adjustment instruction of the control device to the adjustment mechanism.

[0025] Furthermore, the suppression control is used to indicate that when one or more of the set amount of graphene raw material delivered from the raw material input port in each cycle and the corresponding control device's adjustment instructions to the adjustment mechanism change, the dust is suppressed within a set range when the graphene raw material is blown out of the discharge pipe by the purge device.

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

[0027] Further, the discharging assembly includes a discharging cylinder;

[0028] The raw material transfer device comprises a sealing cylinder, the top of which is provided with the raw material input port, and the bottom of which is provided with the raw material output port;

[0029] A first rotating disk is arranged in the sealing cylinder, a connecting cylinder is arranged on the first rotating disk, the height of the connecting cylinder is the cylinder height of the sealing cylinder, the discharging cylinder is arranged below the sealing cylinder, a chassis is arranged below the discharging cylinder, and a third driving device is installed on the chassis; the output end of the third driving device is sleeved on the sealing cylinder and the first rotating disk, the output end of the third driving device is fixedly connected to the sealing cylinder, and the output end of the third driving device is rotatably connected to the first rotating disk;

[0030] An inclined plate is installed at the bottom of the discharge barrel.

[0031] Furthermore, the dust suppression device includes an adjustment mechanism and a one-way flow guide component;

[0032] The upper end of the discharge barrel is connected to the raw material outlet through an adjustment mechanism, a graphene raw material outlet is provided at one side of the lower end of the discharge barrel, and a dust sensor is installed in the discharge barrel;

[0033] The regulating mechanism includes a fourth driving device and a baffle, the fourth driving device is installed at the bottom of the raw material transfer device, the baffle is located between the discharge barrel and the raw material outlet, and the area of ​​the baffle is larger than the area of ​​the raw material outlet, the output end of the fourth driving device is connected to the baffle, and 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 to move relative to the raw material outlet according to the sensor signal of the dust sensor to achieve control of the amount of graphene raw materials falling;

[0034] The one-way flow guide component is nested inside the top of the discharge barrel, and is used to make the falling graphene raw material flow downward in a one-way stable manner; the first conical hole and the second conical hole are arranged at the top and bottom ends of the one-way flow guide component, and the diameters of the first conical hole and the second conical hole gradually decrease toward the top and bottom ends of the one-way flow guide component respectively, and the first conical hole and the second conical hole are connected through the one-way flow guide structure hole; the one-way flow guide structure hole is provided with a main flow channel, and a plurality of vortex flow channels are arranged at intervals on both sides of the main flow channel, and the inlet and outlet of each of the vortex flow channels are connected to the main flow channel;

[0035] An inflatable bag is provided on the vortex flow channel, and the inflatable bag is provided with an inflating port and an air outlet. The inflating port is connected to an inflating pump provided outside the discharge barrel through an air inlet pipeline, and the air outlet is connected to an air collecting bag provided outside the discharge barrel through an air outlet pipeline; and switch valves are provided on the air inlet pipeline and the air outlet pipeline, and a pressure sensor is built in the inflatable bag;

[0036] Further, the transport method using the graphene raw material transport device comprises the following steps:

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

[0038] Step 2: Start the first driving device to deliver a certain amount of the dispersed graphene raw material to the raw material input port under the direction control of the raw material input signal. After the certain amount of graphene raw material is delivered, turn off the first driving device;

[0039] Step 3: output a fixed amount of graphene raw material from the discharge pipe on the discharge assembly; and control the amount of the falling graphene raw material by controlling the regulating mechanism through the dust suppression device to drive the baffle plate to move relative to the sealing cylinder, so that the falling speed of the graphene raw material decreases; according to the regulating instructions of the regulating mechanism of the control device and the set amount of the graphene raw material delivered from the raw material input port in each cycle, the control instructions for the purge device are inferred through the calculation model stored in the memory of the control device, and the control instructions control the air volume and air distribution state of the purge device;

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

[0041] Compared with the prior art, the present invention has the following beneficial effects:

[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, a spiral groove is opened on the inner wall of the feed barrel of the gas-solid separation device. The first end of the spiral groove is connected with the outlet end of the discharge pipe, one end of the exhaust pipe extends out of the top end of the feed barrel, and the other end of the exhaust pipe extends into the bottom end of the feed barrel. The other end of the exhaust pipe is connected with a conical barrel for pressing the gas into the conical barrel and discharging it upward along the exhaust pipe, and the end of the spiral groove is located below the bottom end of the conical barrel; the bottom end of the feed barrel is an open end connected with the inlet of the receiving barrel, and is used to separate the graphene raw material into the receiving barrel under the spiral centrifugal force; thereby separating the graphene raw material mixed with gas to prevent dust from floating around and polluting the surrounding air environment;

[0043] (2) The present invention is also provided with a dust suppression device and a purge device. The dust suppression device is provided to make the graphene raw material fall in a unidirectional and stable manner. According to the adjustment instructions of the control device to the adjustment mechanism and the set amount of graphene raw material delivered from the raw material input port in each cycle, the control instructions to the purge device are inferred through the calculation model stored in the memory of the control device. The air volume and air distribution state of the purge device are controlled by the control instructions, so that when the purge device blows the graphene raw material output from the discharge port of the discharge component out of the discharge pipe, it will not float around, thereby preventing dust diffusion. BRIEF DESCRIPTION OF THE DRAWINGS

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

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

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

[0047] Figure 3 : Schematic diagram of the installation of the discharge barrel and the 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-base frame, 2-storage tank, 3-rotating shaft, 4-sealing cylinder, 5-purge device, 6-discharging cylinder, 61-first conical hole, 62-second conical hole, 63-one-way flow guide structure hole, 7-feeding cylinder, 8-discharging pipe, 9-universal wheel, 10-first clamping structure, 11-second clamping structure, 12-receiving barrel, 13-inlet pipeline, 14-outlet pipeline. DETAILED DESCRIPTION

[0052] In order to make the purpose, technical solution, design method and advantages of the present invention clearer, the present invention is further described in detail by specific embodiments in conjunction with 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] like Figure 1-Figure 6 As shown, the present invention provides a graphene raw material transport device, including a spiral stirring assembly, which is used to stir and disperse the graphene raw material through a stirring shaft arranged therein;

[0054] A discharge assembly connected to the raw material outlet at the lower part of the raw material inlet is used to discharge the graphene raw material from the discharge pipe 8, wherein a dust suppression device is provided on the discharge assembly, and a purge device 5 is provided in the discharge pipe 8;

[0055] A gas-solid separation device is provided between the outlet end of the discharge pipe 8 and the inlet of the receiving barrel 12, and is used to separate the gas in the purge device 5 from the graphene raw material;

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

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

[0058] A spiral groove is provided on the inner wall of the feed barrel 7, and the first end of the spiral groove is connected to the outlet end of the discharge pipe 8; one end of the exhaust pipe extends out of the top of the feed barrel 7, and the other end of the exhaust pipe extends into the bottom end of the feed barrel 7, and the other end of the exhaust pipe is connected to a conical cylinder 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;

[0059] The bottom end of the feed barrel 7 is an open end connected to the inlet of the receiving barrel 12, which is used to separate the graphene raw material into the receiving barrel 12 under the spiral centrifugal force; a conical cavity is provided in the receiving barrel 12 to prevent the graphene raw material from escaping outward after entering;

[0060] A control device connected to the spiral stirring assembly, the dust suppression device and the purge device 5, wherein the control device is used to control the regulating mechanism to drive the baffle plate to move relative to the sealing cylinder 4 according to the sensor signal of the dust sensor arranged on the discharging assembly to control the amount of the falling graphene raw material;

[0061] Based on the adjustment instructions of the control device to the adjustment mechanism and the set amount of graphene raw material delivered from the raw material input port in each cycle, the control instructions to the purge device 5 are inferred through the calculation model stored in the memory of the control device, and the air output volume and air output distribution state of the purge device 5 are controlled by the control instructions, so that when the purge device 5 blows the graphene raw material output from the discharge port of the discharge component out of the discharge pipe 8, no dust diffusion will be caused.

[0062] The construction of the computing model specifically includes:

[0063] Acquire sample data when the graphene raw material is blown out from the discharge pipe 8 under different usage conditions;

[0064] A calculation model is generated based on the sample data, wherein the calculation model is used to reflect the suppression control of the dust diffusion phenomenon caused when the graphene raw material is blown out from the discharge pipe 8.

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

[0066] The suppression control is used to indicate that when one or more of the set amount of graphene raw material delivered from the raw material input port in each cycle and the corresponding control device's adjustment instructions to the adjustment mechanism change, the dust is suppressed within a set range when the graphene raw material is blown out of the discharge pipe 8 by the purge device 5.

[0067] Wherein, a storage tank 2 is provided below the spiral stirring assembly;

[0068] The spiral stirring assembly includes a second driving device installed on the top of the storage tank 2; the output shaft of the second driving device extends into the storage tank 2 and is provided with a rotating shaft 3 at one end, one end of the output shaft of the second driving device is connected to one end of the rotating shaft 3, a spiral blade is connected to the rotating shaft 3, the other end of the rotating shaft 3 extends into the conical cavity at the bottom of the storage tank 2, and the left and right sides of the other end of the rotating shaft 3 are connected to brush groups, and the bristle part of each brush group is close to the inner wall of the storage tank 2;

[0069] A base frame 1 is provided at the bottom of the storage tank 2, a fixing frame is installed on the upper surface of the base frame 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 provided at the bottom of the storage tank 2, 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 fixed frame, and the bottom of the discharge assembly is connected to the upper surface of the base frame 1;

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

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

[0073] like Figure 4 As shown, the clamping member comprises a first clamping structure 10 and a second clamping structure 11, and the clamping ends of the first clamping structure 10 and the second clamping structure 11 are both provided with arc ends adapted to the outer side wall of the storage tank 2, and the other ends of the first clamping structure 10 and the second clamping structure 11 are provided with threaded holes; wherein the other ends of the first clamping structure 10 and the second clamping structure 11 are connected to the top of the fixing frame through a connecting member; the connecting member is a screw and a nut;

[0074] like Figure 1 As shown, the graphene raw material transport device further includes a plurality of sets of universal wheels 9, which are arranged below the base frame 1 to drive the device on the base frame 1 to move;

[0075] Further, the purge device 5 includes: a plurality of air inlet pipes, one end of the air inlet pipe is connected to a blowing nozzle in the discharge pipe 8, the blowing nozzle is arranged toward 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 is located outside the discharge pipe 8 and is connected to the air inlet end of the air supply device, and electronic valves are arranged on the plurality of air inlet pipes, and the control device is respectively connected to the plurality of electronic valves for controlling the air volume and the air distribution state, so as to realize that the graphene raw material output from the discharge port of the discharge assembly is blown out from the discharge pipe 8 without causing dust diffusion;

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

[0077] The raw material transfer device comprises a sealing cylinder 4, the top of the sealing cylinder 4 is provided with the raw material input port, and the bottom of the sealing cylinder 4 is provided with the raw material output port;

[0078] A first rotating disk is arranged in the sealing cylinder 4, a connecting cylinder is arranged on the first rotating disk, the height of the connecting cylinder is the cylinder height of the sealing cylinder 4, the discharging cylinder 6 is arranged below the sealing cylinder 4, a chassis is arranged below the discharging cylinder 6, and a third driving device is installed on the chassis; the output end of the third driving device is sleeved on the sealing cylinder 4 and the first rotating disk, the output end of the third driving device is fixedly connected to the sealing cylinder 4, and the output end of the third driving device is rotationally connected to the first rotating disk;

[0079] The bottom of the discharge barrel 6 is provided with an inclined plate; wherein the angle between the inclined plate and the bottom of the discharge barrel 6 is 10°-60°, and the discharge pipe 8 is a curved pipe bent downward; in a specific implementation, the angle between the inclined plate and the bottom of the discharge barrel 6 is 30°;

[0080] like Figure 5 As shown, the dust suppression device includes an adjustment mechanism and a one-way flow guide component;

[0081] The upper end of the discharge barrel 6 is connected to the raw material outlet through an adjustment mechanism, and a graphene raw material outlet is provided at one side of the lower end of the discharge barrel 6. A dust sensor is installed in the discharge barrel 6;

[0082] The regulating mechanism includes a fourth driving device and a baffle, the fourth driving device is installed at the bottom of the raw material transfer device, the baffle is located between the discharge barrel 6 and the raw material outlet, and the area of ​​the baffle is larger than the area of ​​the raw material outlet, the output end of the fourth driving device is connected to the baffle, and 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 to move relative to the raw material outlet according to the sensor signal of the dust sensor to achieve control of the amount of graphene raw materials falling;

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

[0084] An inflatable bag is arranged on the vortex flow passage, and the inflatable bag is provided with an inflation port and an air outlet. The inflation port is connected to an inflation pump arranged outside the discharge barrel through an air inlet line 13, and the air outlet is connected to an air collecting bag arranged outside the discharge barrel through an air outlet line 14; and switch valves are arranged on the air inlet line 13 and the air outlet line 14. The inflatable bag has a built-in pressure sensor, and the control device is connected to the pressure sensor and the switch valve. Initially, a predetermined amount of gas is filled into the inflatable bag so that the inflatable bag is kept at the vortex flow passage. The graphene powder maintains a concave shape. When the graphene powder falls, most of it first falls into the inflatable bag as a buffer. As it continues to fall, the amount of graphene powder accumulated on the inflatable bag increases. When the set pressure value is reached, the inflatable bag can be inflated to expand the inflatable bag, so that the graphene powder falling on the inflatable bag falls to the next level during the expansion of the inflatable bag. The inflatable bag provides a buffering effect on the one hand, and on the other hand, it can eliminate the powder hanging generated by the long-term accumulation of graphene raw materials at the vortex flow channel, thereby preventing dust diffusion.

[0085] The regulating mechanism includes a fourth driving device and a baffle, the fourth driving device is installed at the bottom of the raw material transfer device, the baffle is installed at the bottom of the raw material outlet, and the area of ​​the baffle is larger than the area of ​​the raw material outlet, the output end of the fourth driving device is connected to the baffle, 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 to move relative to the raw material outlet according to the sensor signal of the dust sensor to control the amount of graphene raw material falling, and the falling speed of the graphene raw material is reduced by controlling the amount of graphene raw material discharged;

[0086] The one-way flow guide component is nested inside the top of the discharge barrel 6, and is used to make the falling graphene raw material fall downward in a one-way and stable manner. By arranging an inflatable bag at the vortex flow channel of the one-way flow guide structure hole 63 of the one-way flow guide component, the inflatable bag provides a buffering effect on the one hand, and on the other hand, can eliminate the powder hanging generated by the long-term accumulation of the graphene raw material at the vortex flow channel, thereby preventing dust diffusion;

[0087] The transport method using the graphene raw material transport device comprises the following steps:

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

[0089] Step 2: Start the first driving device to deliver a certain amount of the dispersed graphene raw material to the raw material input port under the direction control of the raw material input signal. After the certain amount of graphene raw material is delivered, turn off the first driving device;

[0090] Step 3: Output a fixed amount of graphene raw material from the discharge pipe 8 on the discharge assembly; and control the adjustment mechanism through the dust suppression device to drive the baffle plate to move relative to the sealing cylinder 4 to control the amount of graphene raw material falling, so that the falling speed of the graphene raw material decreases; according to the adjustment instructions of the control device to the adjustment mechanism and the set amount of graphene raw material delivered from the raw material input port in each cycle, the control instructions for the purge device 5 are inferred through the calculation model stored in the memory of the control device, and the control instructions control the air volume and air distribution state of the purge device 5, so that when the purge 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 be caused;

[0091] Step 4: The graphene raw material blown out from the discharge pipe 8 is discharged from the gas-solid separation device so that the gas in the graphene raw material is discharged from the exhaust pipe, and the graphene raw material is separated by spiral centrifugal force and enters the receiving barrel 12;

[0092] It is worth noting that: the present invention is provided with a gas-solid separation device, and when the graphene raw material containing gas is taken out from the discharge pipe, a spiral groove is opened on the inner wall of the feed barrel of the gas-solid separation device, the first end of the spiral groove is connected with the outlet end of the discharge pipe, one end of the exhaust pipe extends out of the top end of the feed barrel, and the other end of the exhaust pipe extends into the bottom end of the feed barrel, and the other end of the exhaust pipe is connected with a conical barrel, which is used to press the gas into the conical barrel and discharge it upward along the exhaust pipe, and the end of the spiral groove is located below the bottom end of the conical barrel; the bottom end of the feed barrel is an open end connected with the inlet of the receiving barrel, which is used to separate the graphene raw material into the receiving barrel under the spiral centrifugal force; thereby separating the graphene raw material mixed with gas to prevent dust from floating around and polluting the surrounding air environment;

[0093] A dust suppression device and a purge device are provided. The dust suppression device is provided to make the graphene raw material fall in a unidirectional and stable manner. According to the adjustment instructions of the control device to the adjustment mechanism and the set amount of graphene raw material delivered from the raw material input port in each cycle, the control instructions to the purge device are inferred through the calculation model stored in the memory of the control device. The air volume and air distribution state of the purge device are controlled through the control instructions, so that when the purge device blows the graphene raw material output from the discharge port of the discharge component out of the discharge pipe, it will not float around, thereby preventing dust diffusion.

[0094] The embodiments of the present invention have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection 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 persons of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A graphene raw material transport device, characterized in that: It includes a spiral stirring assembly, which is used to stir and disperse the graphene raw material through a stirring shaft arranged therein; A discharge assembly connected to the raw material output port at the lower part of the raw material input port, used for discharging the graphene raw material from the discharge pipe, wherein: a dust suppression device is provided on the discharge assembly, and a purge device is provided in the discharge pipe; A gas-solid separation device is arranged between the outlet end of the discharge pipe and the inlet of the receiving barrel, and is used to separate the gas in the purge device from the graphene raw material; The gas-solid separation device comprises a feed cylinder and an exhaust pipe; The top end of the feed barrel is a closed end, and the bottom end of the feed barrel is an open end; A spiral groove is provided on the inner wall of the feed barrel, and the first end of the spiral groove is connected to the outlet end of the discharge pipe; one end of the exhaust pipe extends out of the top of the feed barrel, and the other end of the exhaust pipe extends into the bottom of the feed barrel, and the other end of the exhaust pipe is connected to a conical barrel, which is used to press the gas into the conical barrel and discharge it upward along the exhaust pipe, and the end of the spiral groove is located below the bottom end of the conical barrel; The bottom end of the feed barrel is an open end connected to the inlet of the receiving barrel, and is used to separate the graphene raw material into the receiving barrel under the spiral centrifugal force; A control device connected to the spiral stirring assembly, the dust suppression device and the purge device, wherein the control device is used to control the regulating mechanism to drive the baffle plate to move relative to the sealing cylinder according to the sensor signal of the dust sensor arranged on the discharging assembly to control the amount of the falling graphene raw material; Based on the adjustment instructions of the control device to the adjustment mechanism and the set amount of graphene raw material delivered from the raw material input port in each cycle, the control instructions to the purge device are inferred through the calculation model stored in the memory of the control device, and the air output volume and air distribution state of the purge device are controlled by the control instructions.

2. The graphene raw material transport device according to claim 1, characterized in that: A storage tank is provided below the spiral stirring assembly; The spiral stirring assembly includes a second driving device installed on the top of the storage tank; an 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 the left and right sides of the other end of the rotating shaft are connected to brush groups, and the bristle part of each brush group is close to the inner wall of the storage tank; A base frame is provided at the bottom of the storage tank, a fixing frame is installed on the upper surface of the base frame, 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 fixed frame, and the bottom of the discharge assembly is connected to the upper surface of the base frame; A first driving device is installed in the middle of the fixed frame, and the control device is connected to the first driving device and is used to control the on and off of the first driving device. A raw material input port is arranged at the top of the raw material transfer device, and a raw material output port connected to the end of the raw material input port is arranged at the bottom of the raw material transfer device, and the raw material output port is connected to the discharging 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 purge device are installed on the discharge pipe.

3. The graphene raw material transport device according to claim 1, characterized in that: The construction of the computational model specifically includes: Obtain sample data of graphene raw materials being blown out of the discharge pipe under different usage conditions; A calculation model is generated based on the sample data, wherein the calculation model is used to reflect the suppression control of dust diffusion caused when the graphene raw material is blown out from the discharge pipe.

4. The graphene raw material transport device according to claim 3, characterized in that: The sample data includes a set amount of graphene raw material delivered from the raw material input port in each cycle and a corresponding adjustment instruction of the control device to the adjustment mechanism.

5. The graphene raw material transport device according to claim 4, characterized in that: The suppression control is used to indicate that when one or more of the set amount of graphene raw material delivered from the raw material input port in each cycle and the corresponding control device's adjustment instructions to the adjustment mechanism change, the dust is suppressed within a set range when the graphene raw material is blown out of the discharge pipe by the purge device.

6. The graphene raw material transport device according to claim 5, characterized in that: The purging device includes: a plurality of air inlet pipes, one end of the air inlet pipe being located inside the discharge pipe and connected to a blowing nozzle, the blowing nozzle being arranged toward the output direction of the graphene raw material, one end of the air inlet pipe being connected to the discharge pipe, the other end of the air inlet pipe being located outside the discharge pipe and connected to the air inlet end of the air supply device, and electronic valves being arranged on the plurality of air inlet pipes, and the control device being respectively connected to the plurality of electronic valves for controlling the air output volume and the air output distribution state.

7. A graphene raw material transport device according to claim 6, characterized in that: The discharging assembly comprises a discharging cylinder; The raw material transfer device comprises a sealing cylinder, the top of which is provided with the raw material input port, and the bottom of which is provided with the raw material output port; A first rotating disk is arranged in the sealing cylinder, a connecting cylinder is arranged on the first rotating disk, the height of the connecting cylinder is the cylinder height of the sealing cylinder, the discharging cylinder is arranged below the sealing cylinder, a chassis is arranged below the discharging cylinder, and a third driving device is installed on the chassis; the output end of the third driving device is sleeved on the sealing cylinder and the first rotating disk, the output end of the third driving device is fixedly connected to the sealing cylinder, and the output end of the third driving device is rotatably connected to the first rotating disk; An inclined plate is installed at the bottom of the discharge barrel.

8. A graphene raw material transport device according to claim 7, characterized in that: The dust suppression device includes an adjustment mechanism and a one-way flow guide component; The upper end of the discharge barrel is connected to the raw material outlet through an adjustment mechanism, a graphene raw material outlet is provided at one side of the lower end of the discharge barrel, and a dust sensor is installed in the discharge barrel; The regulating mechanism includes a fourth driving device and a baffle, the fourth driving device is installed at the bottom of the raw material transfer device, the baffle is located between the discharge barrel and the raw material outlet, and the area of ​​the baffle is larger than the area of ​​the raw material outlet, the output end of the fourth driving device is connected to the baffle, and 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 to move relative to the raw material outlet according to the sensor signal of the dust sensor to achieve control of the amount of graphene raw materials falling; The one-way flow guide component is nested inside the top of the discharge barrel, and is used to make the falling graphene raw material flow downward in one direction; The one-way flow guide component is provided with a first tapered hole and a second tapered hole at both ends of the top and bottom, and the diameters of the first tapered hole and the second tapered hole gradually decrease toward the top and bottom ends of the one-way flow guide component, respectively, and the first tapered hole and the second tapered hole are connected through the one-way flow guide structure hole; the one-way flow guide structure hole is provided with a main flow channel, and a plurality of vortex flow channels are arranged at intervals on both sides of the main flow channel, and the inlet and outlet of each of the vortex flow channels are connected to the main flow channel; An inflatable bag is arranged on the vortex flow channel, and the inflatable bag is provided with an inflation port and an air outlet. The inflation port is connected to an inflation pump arranged outside the discharge barrel through an air inlet pipeline, and the air outlet is connected to an air collecting bag arranged outside the discharge barrel through an air outlet pipeline; and switch valves are arranged on the air inlet pipeline and the air outlet pipeline, and the inflatable bag has a built-in pressure sensor.

9. A method for transporting a graphene raw material using the graphene raw material transport device according to any one of claims 1 to 8, comprising the following steps: Step 1: Start the spiral stirring component to stir and disperse the graphene raw material; Step 2: Start the first driving device to deliver a certain amount of the dispersed graphene raw material to the raw material input port under the direction control of the raw material input signal. After the certain amount of graphene raw material is delivered, turn off the first driving device; Step 3: output a fixed amount of graphene raw material from the discharge pipe on the discharge assembly; and control the amount of the falling graphene raw material by controlling the regulating mechanism through the dust suppression device to drive the baffle plate to move relative to the sealing cylinder, so that the falling speed of the graphene raw material decreases; according to the regulating instructions of the regulating mechanism of the control device and the set amount of the graphene raw material delivered from the raw material input port in each cycle, the control instructions for the purge device are inferred through the calculation model stored in the memory of the control device, and the control instructions control the air volume and air distribution state of the purge device; Step 4: The graphene raw material blown out from the discharge pipe is passed through a gas-solid separation device to discharge the gas in the graphene raw material from the exhaust pipe, and the graphene raw material is separated by spiral centrifugal force and enters a receiving barrel.

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