Barite mineral powder fine grinding equipment for molten iron filter screen

Abstract

The utility model relates to the technical field of grinding equipment, in particular to barite mineral powder fine grinding equipment for a molten iron filter screen, which comprises a base, a fan is fixedly mounted at the top of the base, and a grinding cylinder main body is fixedly mounted at the top of the fan through bolts. The device has the advantages that during operation, the hydraulic cylinder is firstly started to enable the lifting plate to ascend along the guide plate, the positioning pin retreats from the positioning hole, the sealing gasket is separated from the sealing groove, and after the filter cartridge is completely separated from the through hole of the partition plate, the rotating disc and the filter cartridge can be integrally taken out. By means of the design, the filter cartridge can be rapidly disassembled, and the tedious process that a plurality of bolts need to be disassembled for traditional equipment is avoided. The guide plate ensures that the lifting process is stable, the positioning pin and the positioning hole are matched to ensure accurate centering during resetting, and dust leakage is effectively prevented through the structure of the sealing gasket and the sealing groove. Compared with a traditional fixed filter cartridge, the design shortens the maintenance time by more than 70%, and the equipment utilization rate is greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of grinding equipment technology, and in particular to a fine grinding equipment for barite ore powder used in molten iron filter screens. Background Technology

[0002] The barite powder fine grinding equipment is a powder processing device specifically designed for the production of molten iron filter screens. Its core function is to achieve ultrafine grinding and particle size classification of barite minerals through mechanical energy. This equipment is mainly used in the pretreatment stage of molten iron in the metallurgical industry, preparing barite powder with high specific surface area and uniform particle size through grinding, which serves as a substrate or coating additive for molten iron filter screens. Its working principle is based on the collision and friction between the grinding media (such as steel balls or ceramic balls) and the mineral powder within the grinding cylinder: the drive motor rotates the cylinder, causing the media to undergo a throwing motion, and the finening of the mineral powder is achieved through the synergistic effect of impact force and grinding force.

[0003] The powder discharge system of existing barite powder fine grinding equipment suffers from significant maintainability deficiencies: the filter cartridge assembly is typically rigidly fixed, directly connected to the inner wall of the grinding cylinder via flanges or welded structures. While this design ensures airtightness, it necessitates a complex disassembly process when the filter cartridge becomes clogged, worn, or requires a change in screen mesh size. Maintenance personnel must first stop the machine and remove the top powder discharge pipe, then use specialized tools to extract the filter cartridge from the cylinder. This entire process damages the original sealing structure and, due to limited working space, significantly increases the operational difficulty. Utility Model Content

[0004] The purpose of this invention is to at least solve one of the aforementioned technical defects.

[0005] Therefore, one objective of this utility model is to provide a fine grinding device for barite ore powder for molten iron filter screen, so as to solve the problems mentioned in the background art and overcome the shortcomings of the existing technology.

[0006] To achieve the above objectives, one embodiment of this utility model provides a fine grinding device for barite ore powder used in molten iron filter screens, comprising a base, a fan fixedly installed on the top of the base, a grinding cylinder body fixedly installed on the top of the fan by bolts, a frame fixedly installed on the top of the grinding cylinder body, a powder outlet frame fixedly installed on the side of the frame by bolts, a U-shaped frame fixedly installed on the top of the grinding cylinder body by bolts, two symmetrically arranged hydraulic cylinders fixedly connected to the top of the U-shaped frame, a lifting plate fixedly connected to the output ends of the two hydraulic cylinders, the bottom surface of the lifting plate being in contact with the top surface of the frame, a motor fixedly connected to the top surface of the lifting plate, a rotating disk fixedly connected to the output end of the motor, a filter cylinder fixedly installed on the bottom surface of the rotating disk by bolts, the filter cylinder being located inside the frame, a partition plate fixedly connected to the inner wall of the frame, and the filter cylinder being rotatably connected to the partition plate.

[0007] Preferably, in any of the above embodiments, the frame has a discharge port extending through it on the side near the powder discharge frame, the discharge port is located above the partition plate, and the powder discharge frame is connected to the frame through the discharge port.

[0008] Preferably, in any of the above embodiments, the top surface of the partition plate is provided with a through hole, and the filter cartridge is rotatably connected to the partition plate through the through hole.

[0009] Preferably, in any of the above solutions, the U-shaped frame has two symmetrically arranged guide plates fixedly connected inside, and the two ends of the lifting plate are slidably connected to the two guide plates respectively.

[0010] Preferably, in any of the above solutions, the bottom surface of the lifting plate is fixedly connected with a number of symmetrically arranged positioning pins, and the top surface of the frame is provided with a number of symmetrically arranged positioning holes, and the positioning pins are slidably connected to the frame through the positioning holes.

[0011] Preferably, in any of the above solutions, the top of the U-shaped frame is provided with a clearance groove, which corresponds vertically to the motor.

[0012] Preferably, in any of the above solutions, a sealing gasket is fixedly connected to the bottom surface of the lifting plate, and a sealing groove is provided on the top surface of the frame, wherein the sealing gasket is slidably connected to the frame through the sealing groove.

[0013] Compared with the prior art, the advantages and beneficial effects of this utility model are as follows:

[0014] 1. This equipment features a hydraulic cylinder-driven lifting plate that raises and lowers the filter cartridge. During operation, the hydraulic cylinder is first activated, causing the lifting plate to rise along the guide plate. The locating pin retracts from the locating hole, and the sealing gasket disengages from the sealing groove. Once the filter cartridge is completely detached from the through hole of the partition plate, the rotating disc and filter cartridge can be removed together. This design enables rapid disassembly of the filter cartridge, avoiding the cumbersome process of removing multiple bolts required by traditional equipment. The guide plate ensures smooth lifting, the cooperation between the locating pin and the locating hole guarantees precise alignment during resetting, and the structure of the sealing gasket and sealing groove effectively prevents dust leakage. Compared to traditional fixed filter cartridges, this design reduces maintenance time by more than 70%, significantly improving equipment utilization.

[0015] 2. This equipment adopts an integrated design of the blower and grinding cylinder body. During operation, barite powder is ground inside the grinding cylinder body. The fine powder is blown by the blower through the filter cartridge and enters the powder collection frame through the discharge port. The coarse powder that does not meet the standards is blocked by the separator plate and the filter cartridge. The filter cartridge rotates under the drive of the motor, generating centrifugal force, which throws the coarse powder back into the grinding cylinder body for secondary grinding. The structure of the frame and separator plate effectively separates the grinding zone and the powder collection zone, and the U-shaped frame provides stable support for the hydraulic cylinder. This integrated design optimizes the powder flow path and avoids the problems of powder blockage and cross-contamination in traditional equipment. The clearance groove provides installation space for the motor and ensures the stability of power transmission. The overall structure is compact and occupies a small area, while realizing continuous operation of grinding, grading and collection, significantly improving production efficiency. Attached Figure Description

[0016] Figure 1 This is a structural schematic diagram of the assembly of this utility model;

[0017] Figure 2 This is an exploded structural diagram of the assembly of this utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the grinding cylinder body of this utility model;

[0019] Figure 4 This is a first-view structural diagram of the U-shaped frame of this utility model;

[0020] Figure 5 This is a second-view structural diagram of the U-shaped frame of this utility model;

[0021] Figure 6 This is a schematic diagram of the structure at point A of this utility model.

[0022] In the diagram: 1-base, 2-fan, 3-grinding cylinder body, 4-frame, 5-powder outlet frame, 6-U-shaped frame, 7-hydraulic cylinder, 8-lifting plate, 10-motor, 11-rotating disc, 12-filter cartridge, 13-partition plate, 14-discharge port, 15-through hole, 16-guide plate, 17-positioning pin, 18-positioning hole, 19-avoidance groove, 20-sealing gasket, 21-sealing groove. Detailed Implementation

[0023] The present invention will be further described below with reference to the accompanying drawings, but the scope of protection of the present invention is not limited thereto.

[0024] like Figures 1 to 6 As shown, a fine grinding device for barite ore powder for molten iron filter screen includes a base 1, a blower 2 fixedly installed on the top of the base 1, a grinding cylinder body 3 fixedly installed on the top of the blower 2 by bolts, a frame 4 fixedly installed on the top of the grinding cylinder body 3, a powder outlet frame 5 fixedly installed on the side of the frame 4 by bolts, a U-shaped frame 6 fixedly installed on the top of the grinding cylinder body 3 by bolts, two symmetrically arranged hydraulic cylinders 7 fixedly connected to the top of the U-shaped frame 6, a lifting plate 8 fixedly connected to the output end of the two hydraulic cylinders 7, the bottom surface of the lifting plate 8 is in contact with the top surface of the frame 4, a motor 10 fixedly connected to the top surface of the lifting plate 8, a rotating disk 11 fixedly connected to the output end of the motor 10, a filter cylinder 12 fixedly installed on the bottom surface of the rotating disk 11 by bolts, the filter cylinder 12 is located inside the frame 4, a partition plate 13 fixedly connected to the inner wall of the frame 4, and the filter cylinder 12 and the partition plate 13 are rotatably connected.

[0025] As an optional technical solution of this utility model, a discharge port 14 is provided through the side of the frame 4 near the powder discharge frame 5. The discharge port 14 is located above the partition plate 13. The powder discharge frame 5 is connected to the frame 4 through the discharge port 14. By setting the structure of the frame 4 to connect the discharge port 14 and the powder discharge frame 5, the automatic collection of powder after grinding is realized. This design not only ensures the smoothness of powder conveying, but also effectively prevents dust from overflowing and improves the cleanliness of the production environment.

[0026] As an optional technical solution of this utility model, the top surface of the partition plate 13 is provided with a through hole 15, and the filter cylinder 12 is rotatably connected to the partition plate 13 through the through hole 15. The design of the partition plate 13 having a through hole 15 and being rotatably connected to the filter cylinder 12 achieves effective isolation between the grinding zone and the powder collection zone. This structure not only ensures the powder grading effect, but also avoids coarse particles from being mixed into the finished product, thus improving the powder quality.

[0027] As an optional technical solution of this utility model, the U-shaped frame 6 has two symmetrically arranged guide plates 16 fixedly connected inside. The two ends of the lifting plate 8 are slidably connected to the two guide plates 16 respectively. By using the structure of the U-shaped frame 6 to slidably connect the guide plates 16 and the lifting plate 8, precise guidance is provided for the lifting of the filter cartridge 12. This design not only ensures the stability of the lifting process, but also prevents the filter cartridge 12 from deviating, thus improving the reliability of the equipment operation.

[0028] As an optional technical solution of this utility model, the bottom surface of the lifting plate 8 is fixedly connected with a number of symmetrically arranged positioning pins 17, and the top surface of the frame 4 is provided with a number of symmetrically arranged positioning holes 18. The positioning pins 17 are slidably connected to the frame 4 through the positioning holes 18. By setting the structure of positioning pins 17 and positioning holes 18 in the lifting plate 8 to cooperate with the positioning holes 18 in the frame 4, the precise positioning of the filter cartridge 12 is achieved. This design not only facilitates the installation and alignment of the filter cartridge 12, but also ensures the positional accuracy during operation and improves the stability of the equipment.

[0029] As an optional technical solution of this utility model, the top of the U-shaped frame 6 is provided with a clearance groove 19, which corresponds to the motor 10 vertically. By opening the clearance groove 19 in the U-shaped frame 6, a reasonable installation space is provided for the motor 10. This structure not only ensures the normal operation of the motor 10, but also does not affect the movement of the lifting plate 8, thus optimizing the equipment layout.

[0030] As an optional technical solution of this utility model, a sealing gasket 20 is fixedly connected to the bottom surface of the lifting plate 8, and a sealing groove 21 is opened on the top surface of the frame 4. The sealing gasket 20 is slidably connected to the frame 4 through the sealing groove 21. By adopting the structure of the lifting plate 8 with the sealing gasket 20 cooperating with the sealing groove 21 of the frame 4, the grinding chamber is effectively sealed. This design not only prevents powder leakage, but also reduces the entry of external pollutants, ensuring product quality.

[0031] A fine grinding device for barite ore powder used in molten iron filter screens operates on the following principle:

[0032] 1): During operation, first start the hydraulic cylinder 7 to make the lifting plate 8 rise along the guide plate 16, the positioning pin 17 exits from the positioning hole 18, and the sealing gasket 20 disengages from the sealing groove 21.

[0033] 2): Once the filter cartridge 12 is completely detached from the through hole 15 of the partition plate 13, the rotating disk 11 along with the filter cartridge 12 can be removed as a whole. This design enables the quick disassembly of the filter cartridge 12.

[0034] 3): During operation, after the barite powder is ground in the grinding cylinder body 3, the fine powder passes through the filter cylinder 12 under the blowing of the blower 2 and enters the powder discharge frame 5 through the discharge port 14 for collection. The coarse powder that does not meet the standard will be blocked by the partition plate 13 and the filter cylinder 12. The filter cylinder 12 rotates under the drive of the motor 10 to generate centrifugal force, which can throw the coarse powder back into the grinding cylinder body 3 for secondary grinding.

[0035] In summary, this iron molten metal filter screen using barite powder fine grinding equipment is designed to lift the filter cylinder 12 by driving the lifting plate 8 with the hydraulic cylinder 7. During operation, the hydraulic cylinder 7 is first activated to raise the lifting plate 8 along the guide plate 16, causing the positioning pin 17 to disengage from the positioning hole 18, and the sealing gasket 20 to disengage from the sealing groove 21. Once the filter cylinder 12 is completely disengaged from the through hole 15 of the partition plate 13, the rotating disk 11 along with the filter cylinder 12 can be removed as a whole. This design enables rapid disassembly of the filter cylinder 12, avoiding the cumbersome process of removing multiple bolts required by traditional equipment. The guide plate 16 ensures smooth lifting, the cooperation between the positioning pin 17 and the positioning hole 18 ensures precise alignment during resetting, and the structure of the sealing gasket 20 and the sealing groove 21 effectively prevents dust leakage. Compared to traditional fixed filter cartridges, this design reduces maintenance time by over 70% and significantly improves equipment utilization. It adopts an integrated design of the blower 2 and the grinding cylinder body 3. During operation, barite powder is ground inside the grinding cylinder body 3. The fine powder, blown by the blower 2, passes through the filter cartridge 12 and enters the powder collection frame 5 through the discharge port 14. Substandard coarse powder is blocked by the separator plate 13 and the filter cartridge 12. Driven by the motor 10, the filter cartridge 12 rotates, generating centrifugal force that throws the coarse powder back into the grinding cylinder body 3 for secondary grinding. The structure of the frame 4 and separator plate 13 effectively separates the grinding zone from the powder collection zone, and the U-shaped frame 6 provides stable support for the hydraulic cylinder 7. This integrated design optimizes the powder flow path, avoiding the problems of powder blockage and cross-contamination found in traditional equipment. The clearance groove 19 provides installation space for the motor 10, ensuring the stability of power transmission. The overall structure is compact, occupies a small area, and simultaneously achieves continuous operation of grinding, grading, and collection, significantly improving production efficiency.

Claims

1. A fine grinding device for barite ore powder used in molten iron filter screens, characterized in that: The device includes a base, a fan fixedly mounted on the top of the base, a grinding cylinder body fixedly mounted on the top of the fan by bolts, a frame fixedly mounted on the top of the grinding cylinder body, a powder outlet frame fixedly mounted on the side of the frame by bolts, a U-shaped frame fixedly mounted on the top of the grinding cylinder body by bolts, two symmetrically arranged hydraulic cylinders fixedly connected to the top of the U-shaped frame, lifting plates fixedly connected to the output ends of the two hydraulic cylinders, the bottom surface of the lifting plates fitting against the top surface of the frame, a motor fixedly connected to the top surface of the lifting plates, a rotating disk fixedly connected to the output end of the motor, a filter cartridge fixedly mounted on the bottom surface of the rotating disk by bolts, the filter cartridge being located inside the frame, a partition plate fixedly connected to the inner wall of the frame, and the filter cartridge being rotatably connected to the partition plate.

2. The fine grinding equipment for barite ore powder for molten iron filter screen according to claim 1, characterized in that: The frame has a discharge port on one side near the powder outlet frame. The discharge port is located above the partition plate, and the powder outlet frame is connected to the frame through the discharge port.

3. The fine grinding equipment for barite ore powder for molten iron filter screen according to claim 2, characterized in that: The top surface of the partition plate has a through hole, and the filter cylinder is rotatably connected to the partition plate through the through hole.

4. The fine grinding equipment for barite ore powder for molten iron filter screen according to claim 3, characterized in that: The U-shaped frame has two symmetrically arranged guide plates fixedly connected inside, and the two ends of the lifting plate are slidably connected to the two guide plates respectively.

5. The fine grinding equipment for barite ore powder for molten iron filter screen according to claim 4, characterized in that: The bottom surface of the lifting plate is fixedly connected with several symmetrically arranged positioning pins, and the top surface of the frame is provided with several symmetrically arranged positioning holes. The positioning pins are slidably connected to the frame through the positioning holes.

6. The fine grinding equipment for barite ore powder for molten iron filter screen according to claim 5, characterized in that: The top of the U-shaped frame has a through-hole, and the through-hole corresponds to the motor vertically.

7. The fine grinding equipment for barite ore powder for molten iron filter screen according to claim 6, characterized in that: A sealing gasket is fixedly connected to the bottom surface of the lifting plate, and a sealing groove is provided on the top surface of the frame. The sealing gasket is slidably connected to the frame through the sealing groove.

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