Dynamic output type grinding equipment and method for carbon black production
Through the linkage structure of the sealing disc and vibrating rod of the dynamic output grinding equipment, the low efficiency and blockage of the carbon black grinding equipment are solved, and efficient separation and discharge of carbon black particles is achieved, reducing maintenance costs.
Patent Information
- Application Number
- CN202510873332.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-27
- Publication Date
- 2025-07-25
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Existing carbon black grinding equipment has problems such as low efficiency, easy blockage and high maintenance costs. Especially in high temperature environments, the solenoid valves are prone to aging and the filter nets are prone to blockage, which affects the discharge efficiency.
Using dynamic output grinding equipment, through the mechanical linkage structure of the sealing disk and the vibration rod, the unqualified particles enter the screening area. Combined with intermittent air flow and vibration screening, the reflux and grinding of the unqualified particles is achieved to avoid repeated grinding and blockage.
It improves grinding efficiency, extends the life of key components of the equipment, reduces maintenance costs, and ensures efficient separation and discharge of carbon black particles.
Smart Images

Figure CN120361999A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of carbon black grinding and processing, and particularly to a dynamic output type grinding device and method for carbon black production. Background Art
[0002] To meet the strict requirements of different industries for the characteristics of carbon black, carbon black grinding has become a key link.
[0003] When the existing carbon black grinding equipment grinds, separates and discharges materials, it mainly falls into two types. One type of equipment adopts the mode of "grinding - centralized sorting - return of unqualified particles". It is necessary to introduce all the ground carbon black into an independent sorting device. After screening, the unqualified particles are re-introduced into the grinding chamber. This process not only requires frequent start-stop of the equipment, increasing the labor operation cost, but also significantly increases the energy consumption due to multiple transfers of materials. Especially for high-hardness carbon black raw materials, the whole process can take several hours, and the production efficiency is difficult to meet the large-scale demand.
[0004] The other type is to directly configure a discharge screening mechanism in the grinding equipment and install a filter screen in the discharge screening mechanism. However, during the grinding process, a large number of unqualified carbon black particles enter the discharge screening mechanism, reducing the actual grinding efficiency of the grinding equipment. If electromagnetic valves and other modules are set inside the grinding equipment, due to the high temperature (up to 300 - 500 °C) in the grinding chamber and the abrasion and blockage effects of carbon black particles, problems such as seal aging and spool jamming will occur in the built-in electromagnetic valves. Measured data shows that the average life of traditional electromagnetic valves in the carbon black grinding environment is only 1 / 3 of that in ordinary working conditions, and the maintenance cost remains high. Moreover, the filter screen will still get blocked during filtration. If reverse air flow is used to blow the filter screen, not only will the filtration action be interrupted, but the qualified carbon black particles that have passed through the filter screen may also be blown back into the grinding chamber, affecting the discharge efficiency.
[0005] In summary, how to ensure the production efficiency of carbon black grinding, screening and separation, and reduce the blockage of the filtering structure of the integrated grinding and separation equipment has become a technical problem to be solved in the integrated design of carbon black grinding, screening and discharging. Summary of the Invention
[0006] To solve the above technical problems, the present invention is realized through the following technical solutions:
[0007] The present invention provides a dynamic output type grinding device for carbon black production, which includes a water-cooled cylinder sleeve. A rotating shaft, a grinding disc, a feeding area, and a discharging area are arranged in the grinding cavity of the water-cooled cylinder sleeve. The water-cooled cylinder sleeve is connected with a feeding pipe communicating with the feeding area and an air flow pipe connected to the feeding pipe. A plurality of inner support rods are arranged in the discharging area of the grinding cavity, and the plurality of inner support rods are commonly connected to an inner sleeve. The rotating shaft is rotationally connected to the inner sleeve. The inner sleeve includes an inner disc, a partition ring located on the circumferential side of the inner disc, and an inner sleeve cavity located between the inner disc and the partition ring. The partition ring is provided with a plurality of powder inlet holes. The inner sleeve cavity is movably provided with a plugging disc matched with the powder inlet holes, and the plugging disc is provided with a first central hole.
[0008] A end cover is installed at the opening of the discharging area, the inner side of the end cover abuts against the partition ring, and an outer sleeve member is fixedly installed on the outer side of the end cover. The outer sleeve member includes an outer sleeve cavity communicating with the inner sleeve cavity, and a filter mesh disc is movably assembled in the outer sleeve cavity and is communicated with a discharging pipe. The filter mesh disc includes a central ring, a second piston fixedly connected to the central ring through a support structure, and an ultra-fine filter mesh located between the central ring and the second piston.
[0009] An outer shell sleeve is fixedly installed on the side end of the outer sleeve member. The outer shell sleeve is fixedly installed with a telescopic device and a vibrator connected to the telescopic rod of the telescopic device. The output side of the vibrator is connected to a vibrating rod. The vibrating rod is movably inserted into the outer sleeve cavity and is fixedly connected to the filter mesh disc. The vibrating rod movably passes through the first central hole, and the vibrating rod is fixedly installed with limiting rings distributed on both sides of the filter mesh disc.
[0010] As a preferred technical solution of the grinding device of the present invention: The inner disc is further provided with a plurality of support rod grooves and a first through hole communicating with the support rod grooves, and the inner support rods are fitted and installed in the support rod grooves. The inner support rods are provided with first screw holes aligned with the first through holes, and bolt members are installed at the positions of the first screw holes and the first through holes. The inner disc is further provided with a shaft groove, and an inner bearing connected to the rotating shaft is installed at the position of the shaft groove.
[0011] As a preferred technical solution of the grinding device of the present invention: The water-cooled cylinder sleeve is provided with a plurality of second screw holes, the end cover is provided with a plurality of second through holes aligned and matched with the second screw holes, and bolt members are installed at the positions of the aligned second through holes and second screw holes. An installation opening is provided at the center position of the end cover, and the outer sleeve member is inserted and installed at the position of the installation opening.
[0012] As a preferred technical solution of the grinding device of the present invention: A first piston is arranged on the circumferential side of the plugging disc, and the first piston is in sliding contact with the wall surface of the inner sleeve cavity. The width dimension of the first piston is greater than the diameter dimension of the powder inlet hole.
[0013] As a preferred technical solution of the grinding equipment of the present invention: the inner sleeve cavity is divided into a first inner cavity area on one side of the plugging disc and a second inner cavity area on the other side of the plugging disc. When the plugging disc does not block the powder inlet hole, the powder inlet hole communicates with the first inner cavity area. The bottom of the spacer ring is provided with a discharge hole, and the discharge hole communicates with the second inner cavity area. The outer sleeve cavity is divided into a first outer cavity area on one side of the filter wire mesh disc and a second outer cavity area on the other side of the filter wire mesh disc. The first outer cavity area is unobstructedly communicated with the first inner cavity area, and the discharge pipe communicates with the second outer cavity area.
[0014] As a preferred technical solution of the grinding equipment of the present invention: the central ring is fixedly connected to the second piston through a bracket structure. The central ring is provided with a second central hole. The vibrating rod passes through the second central hole. The vibrating rod is provided with a section of threaded structure and is screwed with two fixing nuts, and the fixing nuts are fastened on both sides of the central ring.
[0015] As a preferred technical solution of the grinding equipment of the present invention: the outer sleeve member is provided with a plurality of third through holes on the ring side, and the end cover is provided with a plurality of third screw holes aligned with the third through holes. A third central hole is opened at the center position of the side end plate of the outer sleeve member, and the vibrating rod movably passes through the third central hole. The side end plate of the outer sleeve member is provided with a plurality of fourth screw holes, and the outer shell sleeve ring side is provided with a plurality of fourth through holes aligned with the fourth screw holes. Bolt members are installed at the aligned fourth through holes and fourth screw holes. Bolt members are installed at the aligned third through holes and third screw holes.
[0016] As a preferred technical solution of the grinding equipment of the present invention: a sliding sleeve that is in sliding contact with the inner wall surface of the outer shell sleeve cavity is configured on the ring side of the vibrator.
[0017] As a preferred technical solution of the grinding equipment of the present invention: the vibrating rod is provided with a first rod diameter through hole and a second rod diameter through hole, and the limiting ring is provided with a radial screw groove. One of the limiting rings is fixed to the position of the first rod diameter through hole of the vibrating rod through a radial screw, and the other limiting ring is fixed to the position of the second rod diameter through hole of the vibrating rod through a radial screw. The outer diameter of the limiting ring is larger than the radial dimension of the first central hole. Let the distance between the two limiting rings be La, let the axial thickness of the plugging disc be Lc, and let the amplitude of the axial movement of the vibrating rod driven by the vibrator be K, then La - Lc > K.
[0018] The present invention also provides a dynamic output type grinding method for carbon black production, including the following link contents:
[0019] Link 1: Open the feed pipe, inject a quantitative carbon black raw material into the grinding cavity through the feeding area, and at the same time start the grinding disc to drive the abrasive to rotate at a high speed to perform initial grinding on the carbon black raw material.
[0020] Step 2: From the start of grinding to the shortest preset grinding duration of the system, the telescopic device drives the vibrator and the vibrating rod to move. The plugging disc is pulled by the limiting ring at the end of the vibrating rod, so that it moves to the powder inlet hole position to complete the plugging of the powder inlet hole and prevent unqualified large particles from entering the screening area.
[0021] Step 3: During the continuous grinding process, the grinding disc keeps rotating at a high speed to ensure that the carbon black raw material is fully ground in the grinding cavity. At this time, the plugging disc maintains the plugging state of the powder inlet hole to ensure the grinding efficiency.
[0022] Step 4: When the grinding duration exceeds the shortest preset grinding duration of the system, the telescopic device drives the vibrator and the vibrating rod to move in the reverse direction. The plugging disc is pushed away from the powder inlet hole position by the limiting ring at the non-end of the vibrating rod.
[0023] Step 5: Open the air flow pipe, and intermittently supply nitrogen gas flow to the grinding cavity through the air flow device.
[0024] Step 6: Synchronously start the vibrator to drive the vibrating rod and the filter wire mesh to vibrate. At this time, the ground carbon black particles enter the cavity area between the plugging disc and the filter wire mesh from the powder inlet hole and contact the filter wire mesh.
[0025] Step 7: The qualified carbon black particles are discharged through the filter wire mesh and the discharge pipe. The unqualified carbon black particles return to the grinding cavity through the powder inlet hole under the action of the vibration of the filter wire mesh and the intermittent air flow for continuous grinding.
[0026] Compared with the existing technology, the beneficial effects of the present invention are as follows:
[0027] 1. In the present invention, at the initial stage of grinding, the telescopic device drives the plugging disc to plug the powder inlet hole, preventing unqualified large particles from entering the screening area, ensuring that the carbon black is continuously ground in the grinding cavity until it reaches the qualified particle size, and avoiding repeated grinding and efficiency waste caused by premature screening. After the preset grinding operation is completed, the vibrator drives the filter wire mesh to vibrate continuously, and at the same time, in cooperation with the intermittent air flow, it not only ensures that the qualified particles pass through the discharge pipe smoothly, but also makes the unqualified particles unable to adhere firmly, realizing the return of unqualified particles for grinding.
[0028] 2. The present invention abandons the design of the built-in electromagnetic valve in the traditional grinding equipment and adopts the mechanical linkage structure of the plugging disc and the vibrating rod, effectively avoiding the adverse effects on the built-in electromagnetic components under the interference of high temperature and carbon black particles, improving the service life of the key components of the equipment to the level of traditional working conditions, and greatly reducing the maintenance cost. Description of the Drawings
[0029] Figure 1 It is a schematic diagram of the overall structure of the grinding equipment of the present invention.
[0030] Figure 2 It is a schematic diagram of the structure of the discharge end of the grinding equipment of the present invention.
[0031] Figure 3 This is a schematic diagram of the disassembly of the components at the discharge end of the grinding equipment of the present invention.
[0032] Figure 4 This is a schematic diagram of the structure of the inner sleeve in the present invention.
[0033] Figure 5 This is a schematic diagram of the structures of the plugging disc, the filter wire mesh and related components in the present invention.
[0034] Figure 6 This is a schematic diagram of the structures of the end cover and the outer sleeve member in the present invention.
[0035] Figure 7 This is a schematic diagram of the structures of the outer housing, the vibrator and the telescopic device in the present invention.
[0036] Wherein: 1 - water-cooled cylinder sleeve, 101 - rotating shaft, 102 - grinding cavity, 103 - grinding disc, 104 - feed pipe, 105 - air flow pipe, 106 - feed area, 107 - discharge area, 108 - inner support rod, 1081 - first screw hole, 109 - second screw hole; 2 - inner sleeve, 201 - inner disc, 2011 - first through hole, 2012 - support rod groove, 202 - spacer ring, 2021 - powder inlet hole, 2022 - discharge hole, 203 - shaft groove, 204 - inner bearing, 205 - inner sleeve cavity, 205a - first inner cavity area, 205b - second inner cavity area; 3 - plugging disc, 301 - first central hole, 302 - first piston; 4 - filter wire mesh, 401 - central ring, 4011 - second central hole, 402 - ultra-fine filter screen, 403 - second piston; 5 - end cover, 501 - mounting opening, 502 - second through hole, 503 - third screw hole; 6 - outer sleeve member, 601 - outer sleeve cavity, 601a - first outer cavity area, 601b - second outer cavity area, 602 - third central hole, 603 - third through hole, 604 - fourth screw hole, 605 - discharge pipe; 7 - outer housing, 701 - fourth through hole; 8 - vibrator, 801 - sliding sleeve; 9 - telescopic device, 901 - telescopic rod; 10 - vibrating rod, 1001 - first rod diameter through hole, 1002 - second rod diameter through hole; 11 - bolt member; 12 - limit ring, 1201 - radial screw groove; 13 - radial screw; 14 - fixing nut. Specific embodiments
[0037] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. 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.
[0038] Embodiment 1. The present invention designs a dynamic output type grinding equipment for carbon black production, as Figure 1 ,Figure 2 , mainly including components such as a water-cooled cylinder liner 1, an inner sleeve 2, a plugging disc 3, a filter wire mesh 4, an outer sleeve 6, an outer housing 7, a vibrator 8, an expander 9, etc. The specific structural configuration is as follows:
[0039] Such as Figure 1 , Figure 2 , Figure 3 , the water-cooled cylinder liner 1 constitutes the main body of the equipment. A grinding cavity 102 is provided inside the water-cooled cylinder liner 1. A plurality of second screw holes 109 are provided on the water-cooled cylinder liner 1 for connecting and fixing with the end cover 5. The rotating shaft 101 is installed in the grinding cavity 102. Combined with Figure 4 , it is rotationally connected to the inner sleeve 2 through the inner bearing 204, driving the grinding disc 103 to rotate. The grinding disc 103 is located in the grinding cavity 102 and is driven by the rotating shaft 101 to rotate at a high speed to grind the carbon black raw material. The feeding area 106 and the discharging area 107 are respectively arranged at both ends of the grinding cavity 102 of the water-cooled cylinder liner 1. The feeding area 106 is connected to the feeding pipe 104, and the discharging area 107 is connected to the subsequent screening structure.
[0040] Such as Figure 2 , Figure 3 , Figure 4 , the inner sleeve 2 is composed of an inner disc 201 and a spacer ring 202. An inner sleeve cavity 205 is formed between the inner disc 201 and the spacer ring 202. A plurality of powder inlet holes 2021 are provided on the spacer ring 202. A discharge hole 2022 is provided at the bottom of the inner sleeve 2. The inner disc 201 is provided with a plurality of support rod grooves 2012 and first through holes 2011 for installing the inner support rods 108. The inner disc 201 is also provided with a shaft groove 203 for installing the inner bearing 204. A plurality of inner support rods 108 are fixed in the discharging area 107 and are jointly connected to the inner sleeve 2. When discharging, the carbon black particles can smoothly pass between the adjacent inner support rods 108. The inner support rods 108 are provided with first screw holes 1081, which are aligned with the first through holes 2011 of the inner disc 201 and are fixed by bolt parts 11.
[0041] Such as Figure 2 , Figure 4 , Figure 5 , the plugging disc 3 is movably arranged in the inner sleeve cavity 205 and can cooperate with the powder inlet holes 2021 for plugging. A first central hole 301 is provided on the plugging disc 3. A first piston 302 is arranged on the circumferential side and is in sliding contact with the wall surface of the inner sleeve cavity 205. Moreover, the width of the first piston 302 is greater than the diameter of the powder inlet holes 2021, so as to be able to completely plug the powder inlet holes 2021.
[0042] Among them, such as Figure 2, the inner sleeve cavity 205 is partitioned: with the blocking disk 3 as the boundary, it is divided into a first inner cavity area 205a (on one side of the blocking disk 3) and a second inner cavity area 205b (on the other side of the blocking disk 3). When the blocking disk 3 does not block the powder inlet hole 2021, the powder inlet hole 2021 communicates with the first inner cavity area 205a, and the discharge hole 2022 communicates with the second inner cavity area 205b.
[0043] Such as Figure 2 , Figure 3 , Figure 6 , Figure 7 , the end cap 5 is fixed at the opening of the discharge area 107. The inner side of the end cap 5 abuts against the spacer ring 202. An installation opening 501 is provided at the center of the end cap 5 for inserting the outer sleeve 6. A plurality of second through holes 502 and third screw holes 503 are provided on the end cap 5, which are respectively aligned with the second screw hole 109 of the water-cooled cylinder sleeve 1 and the third through hole 603 of the outer sleeve 6, and are fixed by the bolt member 11. The outer sleeve 6 is inserted into the installation opening 501 of the end cap 5. The outer sleeve 6 includes an outer sleeve cavity 601 communicating with the inner sleeve cavity 205, and the outer side of the outer sleeve 6 is connected to the discharge pipe 605. A third central hole 602 is provided at the center of the side end plate of the outer sleeve 6 for the vibration rod 10 to pass through. The outer ring side of the outer sleeve 6 is provided with a third through hole 603 and a fourth screw hole 604, which are respectively aligned and fixed with the third screw hole 503 of the end cap 5 and the fourth through hole 701 of the outer shell 7.
[0044] Such as Figure 2 , Figure 5 , Figure 6 , the filter wire mesh 4 is located in the outer sleeve cavity 601. The filter wire mesh 4 includes a central ring 401, an ultra-fine filter mesh 402, and a second piston 403. The central ring 401 is provided with a second central hole 4011 and is fixedly connected to the second piston 403 through a bracket structure. The ultra-fine filter mesh 402 is located between the central ring 401 and the second piston 403.
[0045] Among them, the outer sleeve cavity 601 is partitioned: with the filter wire mesh 4 as the boundary, it is divided into a first outer cavity area 601a (on one side of the filter wire mesh 4) and a second outer cavity area 601b (on the other side). The first outer cavity area 601a is unobstructedly communicated with the first inner cavity area 205a, and the discharge pipe 605 is communicated with the second outer cavity area 601b.
[0046] Such as Figure 2 , Figure 6 , Figure 7 , the outer shell 7 is fixed to the side end of the outer sleeve 6. The outer ring side of the outer shell 7 is provided with a fourth through hole 701, which is aligned and fixed with the fourth screw hole 604 of the outer sleeve 6. The telescopic device 9 is fixed in the outer shell 7, and the telescopic rod 901 is connected to the vibrator 8 for driving the vibrator 8 to move. The vibrator 8 is configured with a sliding sleeve 801 on the outer ring side, and the sliding sleeve 801 is in sliding contact with the inner wall surface of the outer shell 7. The output side of the vibrator 8 is connected to the vibration rod 10, which can drive the vibration rod 10 to vibrate.
[0047] As Figure 5 、 Figure 6 、 Figure 7 , the vibrating rod 10 is movably inserted into the outer sleeve cavity 601, and the vibrating rod 10 passes through the second central hole 4011 of the filter mesh disk 4 and the first central hole 301 of the plugging disk 3. The vibrating rod 10 is provided with a first rod diameter through hole 1001 and a second rod diameter through hole 1002. The limiting rings 12 are fixed at the corresponding through hole positions by radial screws 13, and the distance La between the two limiting rings 12, the axial thickness Lc of the plugging disk 3, and the vibration amplitude K satisfy La - Lc > K.
[0048] As Figure 2 、 Figure 5 、 Figure 7 , the limiting rings 12 are distributed on both sides of the filter mesh disk 4. The outer diameter of the limiting ring 1 is larger than the radial dimension of the first central hole 301, which is used to limit the movement range of the plugging disk 3. The radial screw groove 1201 is provided on the ring side of the limiting ring 1 and is fixed to the vibrating rod 10 by the radial screw 13. The fixing nut 14 is screwed on the threaded structure of the vibrating rod 10 and is fastened on both sides of the central ring 401 to fix the filter mesh disk 4.
[0049] Embodiment 2: The present invention designs a dynamic output type grinding method for carbon black production, and the specific method content is as follows:
[0050] Step 1: Raw material injection and initial grinding:
[0051] Open the feed pipe 104, and inject a quantitative carbon black raw material into the grinding cavity 102 through the feeding area 106. Start the grinding disk 103, which is driven by the rotating shaft 101 to rotate at a high speed in the grinding cavity 102, and initially grind the carbon black raw material through the abrasive.
[0052] Step 2: Block the powder inlet hole to prevent unqualified particles from entering the screening area:
[0053] During the period from the start of grinding to the shortest preset grinding duration of the system, the telescopic device 9 drives the vibrator 8 and the vibrating rod 10 to move. The limiting ring 12 at the end of the vibrating rod 10 pulls the plugging disk 3 to move it to the position of the powder inlet hole 2021 of the spacer ring 202, completing the blocking of the powder inlet hole 2021 to prevent unqualified large particles from entering the screening area.
[0054] At this time, the first piston 302 of the plugging disk 3 is in sliding contact with the wall surface of the inner sleeve cavity 205 to ensure the sealing effect.
[0055] Step 3: Continuous grinding stage:
[0056] The grinding disk 103 keeps rotating at a high speed to ensure that the carbon black raw material is fully ground in the grinding cavity 102. The plugging disk 3 maintains the blocking state of the powder inlet hole 2021 to prevent unqualified particles from entering the screening area in advance and ensure the grinding efficiency.
[0057] Step Four: Remove the blockage and prepare for screening:
[0058] When the grinding duration exceeds the shortest grinding duration preset by the system, the telescopic device 9 drives the vibrator 8 and the vibrating rod 10 to move in the reverse direction. The limiting ring 12 of the vibrating rod 10, which is not at the end, pushes the blocking plate 3 away from the position of the powder inlet hole 2021, opening the powder inlet hole 2021 to prepare for subsequent screening.
[0059] Step Five: Introduce intermittent air flow to assist screening:
[0060] Open the air flow pipe 105, and intermittently supply nitrogen gas flow to the grinding chamber 102 through the air flow device. The air flow enters the grinding chamber 102 through the feeding area 106, pushing the ground particles towards the discharging area 107.
[0061] Step Six: Start the vibration screening mechanism:
[0062] Start the vibrator 8 synchronously, driving the vibrating rod 10 and the filter wire mesh disk 4 to vibrate. The ground carbon black particles enter the cavity between the blocking plate 3 and the filter wire mesh disk 4 (i.e., the first inner cavity area 205a and the first outer cavity area 601a) from the powder inlet hole 2021, and contact the ultra-fine filter mesh 402 of the filter wire mesh disk 4.
[0063] Step Seven: Screening and reflux of unqualified particles:
[0064] The qualified-sized carbon black particles pass through the ultra-fine filter mesh 402 and are discharged from the discharge pipe 605 through the second outer cavity area 601b of the outer jacket cavity 601. The unqualified carbon black particles cannot adhere to the mesh surface due to the vibration of the filter wire mesh disk 4, and at the same time, under the action of the intermittent air flow, they return to the grinding chamber 102 from the powder inlet hole 2021 to continue grinding.
[0065] During the vibration of the limiting ring 12 of the vibrating rod 10, the blocking plate 3 does not vibrate synchronously with the filter wire mesh disk 4, and only the filter wire mesh disk 4 vibrates at a high frequency to avoid blockage.
[0066] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.
Claims
1. A dynamic output type grinding device for carbon black production, comprising a water-cooled cylinder sleeve (1). Inside the grinding cavity (102) of the water-cooled cylinder sleeve (1), a rotating shaft (101), a grinding disc (103), a feeding area (106), and a discharging area (107) are arranged. The water-cooled cylinder sleeve (1) is connected with a feeding pipe (104) communicating with the feeding area (106) and an air flow pipe (105) connected to the feeding pipe (104). It is characterized in that: The discharging area (107) is configured with a plurality of inner support rods (108) and an inner sleeve (2) is fixedly installed. The rotating shaft (101) is rotatably connected with the inner sleeve (2). The inner sleeve (2) includes an inner disc (201), a separating ring (202) located on the circumferential side of the inner disc (201), and an inner sleeve cavity (205) located between the inner disc (201) and the separating ring (202). The separating ring (202) is provided with a plurality of powder inlet holes (2021). An airtight disc (3) matching with the powder inlet holes (2021) is movably arranged in the inner sleeve cavity (205). The airtight disc (3) is provided with a first central hole (301); A end cover (5) is installed at the opening of the discharging area (107). The inner side of the end cover (5) abuts against the separating ring (202). An outer sleeve member (6) is fixedly installed on the outer side of the end cover (5). The outer sleeve member (6) includes an outer sleeve cavity (601) communicating with the inner sleeve cavity (205). A filter wire mesh disc (4) is movably assembled in the outer sleeve cavity (601) and is communicated with a discharging pipe (605); The filter wire mesh disc (4) includes a central ring (401), a second piston (403), and an ultra-fine filter mesh (402) located between the central ring (401) and the second piston (403); An outer shell sleeve (7) is fixedly installed on the side end of the outer sleeve member (6). A telescopic device (9) and a vibrator (8) connected to the telescopic rod (901) of the telescopic device (9) are fixedly installed on the outer shell sleeve (7). The output side of the vibrator (8) is connected with a vibrating rod (10). The vibrating rod (10) is movably inserted into the outer sleeve cavity (601) and is fixedly connected with the filter wire mesh disc (4). The vibrating rod (10) movably passes through the first central hole (301). The vibrating rod (10) is fixedly installed with limiting rings (12) distributed on both sides of the filter wire mesh disc (4).
2. The dynamic output type grinding device for carbon black production according to claim 1, characterized in that: The inner disc (201) is further provided with a plurality of support rod grooves (2012) and a first through hole (2011) communicating with the support rod grooves (2012). The inner support rods (108) are fitted and installed in the support rod grooves (2012); The inner support rods (108) are provided with first screw holes (1081) aligned with the first through holes (2011). Bolt members (11) are installed at the positions of the first screw holes (1081) and the first through holes (2011); The inner disc (201) is further provided with a shaft groove (203). An inner bearing (204) connected with the rotating shaft (101) is installed at the position of the shaft groove (203).
3. The dynamic output type grinding device for carbon black production according to claim 1, characterized in that: The water-cooled cylinder liner (1) is provided with a plurality of second screw holes (109), the end cover (5) is provided with a plurality of second through holes (502) aligned and matched with the second screw holes (109), and bolt members (11) are installed at the positions of the aligned second through holes (502) and second screw holes (109); An installation opening (501) is provided at the central position of the end cover (5), and the outer sleeve member (6) is inserted at the position of the installation opening (501).
4. The dynamic output type grinding equipment for carbon black production according to claim 1, wherein: A first piston (302) is arranged on the circumferential side of the plugging disc (3), and the first piston (302) is in sliding contact with the wall surface of the inner sleeve cavity (205); The width dimension of the first piston (302) is larger than the diameter dimension of the powder inlet hole (2021).
5. The dynamic output type grinding equipment for carbon black production according to claim 1, wherein: The inner sleeve cavity (205) is divided into a first inner cavity area (205a) on one side of the plugging disc (3) and a second inner cavity area (205b) on the other side of the plugging disc (3); When the plugging disc (3) does not block the powder inlet hole (2021), the powder inlet hole (2021) is communicated with the first inner cavity area (205a); A discharge hole (2022) is provided at the bottom of the spacer ring (202), and the discharge hole (2022) is communicated with the second inner cavity area (205b); The outer sleeve cavity (601) is divided into a first outer cavity area (601a) on one side of the filter wire mesh disc (4) and a second outer cavity area (601b) on the other side of the filter wire mesh disc (4); The first outer cavity area (601a) is unobstructedly communicated with the first inner cavity area (205a), and the discharge pipe (605) is communicated with the second outer cavity area (601b).
6. The dynamic output type grinding equipment for carbon black production according to claim 1, wherein: The central ring (401) is fixedly connected to the second piston (403) through a bracket structure; The central ring (401) is provided with a second central hole (4011), the vibrating rod (10) passes through the second central hole (4011), the vibrating rod (10) is provided with a section of threaded structure and is screwed with two fixing nuts (14), and the fixing nuts (14) are fastened on both sides of the central ring (401).
7. The dynamic output type grinding equipment for carbon black production according to claim 1, wherein: A plurality of third through holes (603) are provided on the circumferential side of the outer sleeve member (6), and the end cover (5) is provided with a plurality of third screw holes (503) aligned with the third through holes (603); A third central hole (602) is provided at the center of the side end plate of the outer sleeve member (6), and the vibrating rod (10) movably passes through the third central hole (602); A plurality of fourth screw holes (604) are provided on the side end plate of the outer sleeve member (6), a plurality of fourth through holes (701) aligned with the fourth screw holes (604) are provided on the circumferential side of the outer housing sleeve (7), and bolt members (11) are installed at the positions of the aligned fourth through holes (701) and fourth screw holes (604); Install the bolt member (11) at the aligned positions of the third through hole (603) and the third screw hole (503).
8. A dynamic output type grinding device for carbon black production according to claim 1, characterized in that: A sliding sleeve (801) that is in sliding contact with the inner wall surface of the outer shell sleeve (7) is arranged on the ring side of the vibrator (8).
9. A dynamic output type grinding device for carbon black production according to claim 1, characterized in that: The vibrating rod (10) is provided with a first rod diameter through hole (1001) and a second rod diameter through hole (1002), and the limiting ring (12) is provided with a radial screw groove (1201). One of the limiting rings (12) is fixed at the position of the first rod diameter through hole (1001) of the vibrating rod (10) through a radial screw (13), and the other limiting ring (12) is fixed at the position of the second rod diameter through hole (1002) of the vibrating rod (10) through a radial screw (13); The outer diameter dimension of the limiting ring (12) is larger than the radial dimension of the first central hole (301); Let the distance between the two limiting rings (12) be La, let the axial thickness of the plugging disc (3) be Lc, and let the axial movement amplitude of the vibrator (8) driving the vibrating rod (10) be K, then La - Lc > K.
10. A dynamic output grinding method for carbon black production, characterized in that, Applied to a dynamic output type grinding device for carbon black production according to any one of claims 1 to 9, including the following link contents: Link 1: Open the feed pipe (104), inject the quantitative carbon black raw material into the grinding chamber (102) through the feeding area (106), and at the same time start the grinding disc (103) to drive the abrasive to rotate at a high speed to perform initial grinding on the carbon black raw material; Link 2: During the period from the start of grinding to the shortest preset grinding duration of the system, the telescopic device (9) drives the vibrator (8) and the vibrating rod (10) to move, and pulls the plugging disc (3) through the limiting ring (12) at the end of the vibrating rod (10) to move it to the position of the powder inlet hole (2021) to complete the plugging of the powder inlet hole (2021) and prevent unqualified large particles from entering the screening area; Link 3: During the continuous grinding process, the grinding disc (103) keeps rotating at a high speed to ensure that the carbon black raw material is fully ground in the grinding chamber (102). At this time, the plugging disc (3) maintains the plugging state of the powder inlet hole (2021) to ensure the grinding efficiency; Link 4: When the grinding duration exceeds the shortest preset grinding duration of the system, the telescopic device (9) drives the vibrator (8) and the vibrating rod (10) to move in the reverse direction, and pushes the plugging disc (3) away from the position of the powder inlet hole (2021) through the limiting ring (12) at the non-end of the vibrating rod (10); Link 5: Open the air flow pipe (105) and intermittently supply nitrogen gas flow to the grinding chamber (102) through the air flow device; Link 6: Synchronously start the vibrator (8) to drive the vibrating rod (10) and the filter wire mesh disc (4) to vibrate. At this time, the ground carbon black particles enter the cavity area between the plugging disc (3) and the filter wire mesh disc (4) from the powder inlet hole (2021) and contact the filter wire mesh disc (4); In Step Seven, the carbon black particles that meet the size standard are discharged through the filter mesh disc (4) and the discharge pipe (605). The carbon black particles that do not meet the standard return to the grinding chamber (102) through the powder inlet hole (2021) under the action of the vibration of the filter mesh disc (4) and the intermittent air flow for continuous grinding.
Citation Information
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