Matrix graphite powder granulation mesh cleaning tool
By designing a mesh cleaning tool for matrix graphite powder granulation, and utilizing a combination of a cleaning head and an ethanol flow channel, the problem of mesh clogging caused by wet matrix graphite powder adhesion was solved, achieving automated cleaning and improving granulation efficiency.
Patent Information
- Application Number
- CN202422909896.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-11-27
AI Technical Summary
In the prior art, wet graphite powder matrix tends to adhere to the granulation mesh after granulation, causing mesh blockage and making cleaning inconvenient, which affects the subsequent granulation process.
A tool for cleaning the mesh of a matrix graphite powder granulation process was designed, including a cleaning head and a drive structure. The cleaning head is equipped with cleaning protrusions and ethanol channels. The cleaning head is driven by a cylinder to insert into the mesh corresponding to the granulation process. Ethanol is used to keep the wet material moist, thereby achieving automatic cleaning.
This tool can clean the granulation mesh in a timely and effective manner, simplifying the cleaning process, improving cleaning efficiency, and ensuring the smooth progress of the granulation process.
Smart Images
Figure CN223543546U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of granulation mesh cleaning technology, and in particular to a tool for cleaning the mesh of matrix graphite powder granulation. Background Technology
[0002] The ceramic fuel elements used in my country's pebble bed high-temperature gas-cooled reactors consist of spherically coated particles (TRISO) dispersed within a graphite matrix in the fuel zone. The graphite matrix powder is prepared by thoroughly kneading, granulating, drying, and crushing natural graphite, artificial graphite, phenolic resin, and ethanol. The thoroughly kneaded natural graphite, artificial graphite, phenolic resin, and ethanol form the wet matrix graphite powder.
[0003] Currently, the component plant that supplies fuel for the world's only high-temperature gas-cooled reactor demonstration line uses a screw granulator for wet graphite powder granulation, with a granulation mesh size of 4-6 mm.
[0004] Because the wet matrix graphite powder has a high viscosity, some wet matrix graphite powder will adhere to the granulation mesh after granulation. If not cleaned in time, the matrix graphite powder will clog the granulation mesh after the ethanol evaporates. Utility Model Content
[0005] The purpose of this utility model is to provide a tool for cleaning the mesh of matrix graphite powder granulation, which simplifies the mesh cleaning process of matrix graphite powder granulation and improves the mesh cleaning efficiency of matrix graphite powder granulation.
[0006] To achieve the above objectives, this utility model provides the following technical solution:
[0007] A tool for cleaning the mesh of a graphite powder granulation substrate includes a connected drive structure and a cleaning head. The front end face of the cleaning head is provided with a set of cleaning protrusions. The diameter of the cleaning protrusions is less than or equal to the diameter of the granulation mesh of the granulation mesh disk. The cleaning head is provided with an ethanol inlet channel and an ethanol outlet channel. The front end of the ethanol inlet channel is arranged on the front end face, and the front end of the ethanol outlet channel is arranged on the front end face.
[0008] In some embodiments, the drive mechanism is a cylinder.
[0009] In some embodiments, the drive mechanism is an electric cylinder or a hydraulic cylinder.
[0010] In some embodiments, the diameter of the cleaning protrusion structure is 4.96 mm.
[0011] In some embodiments, the size of the cleaning protrusion structure provided on the front end face of the cleaning head is 60mm.
[0012] In some embodiments, a positioning pin is provided on the front end surface.
[0013] In some embodiments, the number of positioning pins is 2.
[0014] In some embodiments, the ethanol inlet channel located inside the cleaning head has an L-shaped channel.
[0015] In some embodiments, the ethanol outlet channel located inside the cleaning head has an L-shaped channel.
[0016] In some embodiments, the ethanol inlet channel and the ethanol outlet channel are arranged symmetrically vertically.
[0017] Compared with the prior art, the matrix graphite powder granulation mesh cleaning tool provided by this utility model has the following beneficial effects:
[0018] The cleaning tool provided by this utility model can clean the granulation mesh disc used for granulation of wet graphite powder matrix in a timely manner, and the cleaning effect is good.
[0019] Furthermore, this cleaning tool can automatically clean the granulation mesh disc. Attached Figure Description
[0020] To more clearly illustrate the technical solution of this utility model, the accompanying drawings used in the technical description will be briefly introduced below.
[0021] Figure 1 A schematic diagram of the structure of the matrix graphite powder granulation mesh cleaning tool provided by this utility model.
[0022] Explanation of reference numerals in the attached figures:
[0023] 1. Cylinder; 2. Cleaning head; 3. Positioning pin; 4. Ethanol inlet channel; 5. Ethanol outlet channel. Detailed Implementation
[0024] The following detailed description provides further details on specific implementation methods.
[0025] like Figure 1 As shown, this utility model provides a tool for cleaning the mesh of a matrix graphite powder granulation process, including a drive mechanism, a cleaning head 2, a positioning pin 3, an ethanol inlet channel 4, and an ethanol outlet channel 5. A cylinder 1 is connected to the cleaning head 2 and transmits power. The positioning pin 3 is located on the front end face of the cleaning head 2. The cleaning head 2 is provided with an ethanol inlet channel 4 and an ethanol outlet channel 5, respectively. One end (front end) of the ethanol inlet channel 4 is located on and passes through the front end face of the cleaning head 2, and one end (front end) of the ethanol outlet channel 5 is located on and passes through the front end face of the cleaning head 2.
[0026] Preferably, the driving mechanism is a cylinder 1, which is the automated power source for the cleaning tool. The cylinder 1 is used to push the cleaning head 2 towards the granulation screen of the screw granulator when the automatic cleaning device for the granulation screen is in use, and to push the cleaning head 2 away from the granulation screen of the screw granulator when the automatic cleaning device for the granulation screen is not in use. Alternatively, an electric cylinder, hydraulic cylinder, or other power source can be used as the driving mechanism.
[0027] The cleaning head 2 is the main component designed for the cleaning function. It is made of existing stainless steel or PTFE materials with a polished surface. The front end of the cleaning head 2 corresponds to the granulation mesh disc. The front end of the cleaning head 2 features cleaning protrusions that correspond one-to-one with the granulation mesh openings of the disc. The diameter of the cleaning protrusions corresponds to the mesh opening diameter, with a 0.02mm clearance. The height of the cleaning protrusions corresponds to the thickness of the mesh disc, being slightly larger than it. This extra thickness ensures that the cleaning head maintains a certain distance from the screw granulator blades during use.
[0028] As one feasible approach, the diameter of the clean protrusion structure is 4.96 mm.
[0029] As an feasible approach, the height of the cleaning protrusion structure corresponds to the thickness of the mesh disc, exceeding the thickness of the mesh disc by 2mm, and is 4mm away from the screw granulator blade.
[0030] The positioning pin 3 is used to position the automatic cleaning granulation mesh disc device with the screw granulator granulation mesh disc during use. By matching the positioning pin 3 with the outer diameter of the granulation mesh disc, it is ensured that the cleaning protrusion and the granulation mesh can correspond one-to-one during use, so that the cleaning protrusion can be smoothly inserted into the granulation mesh.
[0031] As an feasible approach, the number of positioning pins 3 can be increased according to usage requirements to ensure a secure connection between the present invention and the screw granulator. For example, the number of positioning pins 3 can be 2.
[0032] The ethanol inlet channel 4 and the ethanol outlet channel 5 are used to keep the ethanol-wetted state when the automatic cleaning granulation mesh disc device is in use, to prevent the residual wet matrix graphite powder from drying out.
[0033] As one feasible approach, the ethanol inlet channel 4 is located inside the cleaning head 2 and has an L-shaped channel.
[0034] As one feasible approach, the ethanol outlet channel 5 located inside the cleaning head 2 has an L-shaped flow channel.
[0035] As an feasible approach, the ethanol inlet channel 4 and the ethanol outlet channel 5 are symmetrically positioned vertically.
[0036] The specific usage process of this utility model is as follows:
[0037] First, the present invention and the screw granulator are positioned to ensure that the cleaning protrusions of the cleaning head 2 can be inserted into the granulation mesh of the granulation disc through the action of cylinder 1. Simultaneously, the ethanol inlet channel 4 and the ethanol outlet channel 5 are connected to the ethanol feed pipe and the recovery pipe, respectively. After fixing and positioning, the product enters the usage process.
[0038] After the screw granulator completes the granulation process, cylinder 1 is activated to push the cleaning head 2 towards the granulation screen of the screw granulator. The positioning pin 3 determines the specific position of the push, allowing the cleaning protrusion to insert into the granulation screen. The inlet and outlet ethanol valves are opened, and the ethanol flow rate is adjusted. This state is maintained until the next batch granulation process begins. The inlet and outlet ethanol valves are closed, and cylinder 1 is activated again to push the cleaning head 2 away from the granulation screen of the screw granulator, returning it to its original position. This cleaning operation is now complete.
[0039] The above description is only a specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present utility model should be included within the protection scope of the present utility model.
Claims
1. A tool for cleaning the mesh of a matrix graphite powder granulation process, characterized in that, The device includes a drive structure and a cleaning head (2). The front end face of the cleaning head (2) is provided with a set of cleaning protrusions. The diameter of the cleaning protrusions is less than or equal to the diameter of the granulation mesh of the granulation mesh disk. The cleaning head (2) is provided with an ethanol inlet channel (4) and an ethanol outlet channel (5). The front end of the ethanol inlet channel (4) is arranged on the front end face, and the front end of the ethanol outlet channel (5) is arranged on the front end face.
2. The matrix graphite powder granulation mesh cleaning tool according to claim 1, characterized in that, The drive structure is a cylinder (1).
3. The matrix graphite powder granulation mesh cleaning tool according to claim 1, characterized in that, The drive structure is an electric cylinder or a hydraulic cylinder.
4. The matrix graphite powder granulation mesh cleaning tool according to claim 1, characterized in that, The diameter of the cleaning protrusion structure is 4.96 mm.
5. The matrix graphite powder granulation mesh cleaning tool according to claim 1, characterized in that, The length of the cleaning protrusion structure is 60 mm.
6. The matrix graphite powder granulation mesh cleaning tool according to claim 1, characterized in that, The front end surface is provided with a positioning pin (3).
7. The matrix graphite powder granulation mesh cleaning tool according to claim 6, characterized in that, The number of the positioning pins (3) is 2.
8. The matrix graphite powder granulation mesh cleaning tool according to claim 1, characterized in that, The ethanol inlet channel (4) located inside the cleaning head (2) has an L-shaped flow channel.
9. The matrix graphite powder granulation mesh cleaning tool according to claim 1, characterized in that, The ethanol outlet channel (5) located inside the cleaning head (2) has an L-shaped flow channel.
10. The matrix graphite powder granulation mesh cleaning tool according to claim 1, characterized in that, The ethanol inlet channel (4) and the ethanol outlet channel (5) are arranged symmetrically vertically.