Pulverizing mill with drying mechanism
By integrating a drying mechanism into the grinding mill and using a single-chip microcomputer to control the motor and heating device to achieve secondary heating and drying of the material during the grinding process, the problem of incomplete drying of the existing grinding mill is solved, the processing efficiency is improved and the floor space is reduced.
Patent Information
- Application Number
- CN202422372981.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-28
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-09-28
AI Technical Summary
Existing grinding mills need to grind the materials before drying, which results in large space occupation, discontinuous processing and the problem of incomplete drying requiring secondary drying.
The drying mechanism is integrated into the pulverizer. The crushing motor and grinding motor are controlled by a single-chip microcomputer to achieve secondary heating and drying of the material during the grinding process. The screening plate and turning rack are used to turn the material, and the heating rod and heating tube are combined to achieve uniform heating to ensure that the material is ground and dried at the same time.
It realizes the thorough drying of materials, avoids secondary drying, improves grinding efficiency, has a compact structure and reduces floor space.
Smart Images
Figure CN223337390U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pulverizer production, in particular to a pulverizer with a drying mechanism. Background Art
[0002] With the progress of my country's industrial development, industries such as mining, cement, transportation construction, metallurgy, chemical industry, electric power, water conservancy and real estate have driven the development of China's grinding equipment industry. The process of turning small particles into powder materials by external force is called crushing or grinding, or simply grinding. The machine used is called a grinding mill. The grinding mill is widely used in chemical industry, mining, steel, thermal power, coal and other industries.
[0003] Some existing grinding mills require the material to be ground by the motor first, and then the ground powdered material is transported to a heating pipe structure for drying;
[0004] There are some problems. The space required is large, the processing process is discontinuous, which reduces the efficiency of grinding. Single drying is prone to incomplete drying and requires secondary drying. For this reason, we propose a grinding mill with a drying mechanism. Utility Model Content
[0005] The technical problem to be solved by the present invention is to overcome the existing defects and provide a grinding mill with a drying mechanism, which realizes secondary heating and drying of materials during the grinding process, ensures the dryness of the materials, avoids the phenomenon that the materials are not dried thoroughly and need secondary drying, grinds and dries at the same time, the processing process is coherent, improves the efficiency of grinding, has a more compact structure, reduces the required floor space, and can effectively solve the problems in the background technology.
[0006] To achieve the above-mentioned purpose, the present utility model provides the following technical solutions: a pulverizer with a drying mechanism, comprising a crushing barrel, a drying and grinding mechanism and a crushing mechanism;
[0007] Crushing barrel: A support frame is provided at the bottom of its outer surface;
[0008] Dry grinding mechanism: it includes screening plates, each of which is fixedly connected to the inner wall of the grinding barrel;
[0009] Crushing mechanism: It includes a feed pipe, a crushing motor and a crushing roller. The feed pipe is fixedly connected to the feed port at the top of the crushing barrel. The crushing rollers are rotatably connected between the left and right inner walls of the feed pipe. The crushing motors are respectively connected to the right side of the feed pipe by bolts. The output shaft of the crushing motor is fixedly connected to the crushing rollers adjacent to each other in the horizontal direction.
[0010] Among them: it also includes a single-chip microcomputer, which is fixedly connected to the outer surface of the crushing barrel, the input end of the single-chip microcomputer is electrically connected to the external power supply, and the input end of the crushing motor is electrically connected to the output end of the single-chip microcomputer, so that the material can be heated and dried twice during the grinding process, thereby ensuring the dryness of the material and avoiding the phenomenon that the material is not dried thoroughly and needs secondary drying. Grinding and drying are carried out simultaneously, the processing process is continuous, the efficiency of grinding is improved, the structure is more compact, and the required floor space is reduced.
[0011] Furthermore, the drying and grinding mechanism also includes a flipping frame and a hollow rotating shaft, the top end of the hollow rotating shaft is rotatably connected to the top wall of the crushing barrel, the bottom end of the hollow rotating shaft passes through the central circular hole of the top screen plate and is rotatably connected to the center of the bottom screen plate, the flipping frame is fixedly connected to the upper outer surface of the hollow rotating shaft, the flipping frame is located between the top screen plate and the top wall of the crushing barrel, and flips the material.
[0012] Furthermore, the dry grinding mechanism also includes a grinding roller, a collector ring 1, a collector ring 2 and a heating rod. The lower outer surface of the hollow rotating shaft is fixedly connected with a connecting rod. The grinding rollers are respectively rotatably connected to the outside of the connecting rod. The heating rods are evenly arranged in the mounting openings at the inner edges of the grinding rollers. The conductive slip rings 1 of the collector ring 1 are respectively fixedly sleeved on the outside of the connecting rod. The connection contact 1 of the collector ring 1 is fixedly connected to the contact of the heating rod. The conductive slip ring 1 of the collector ring 1 is in contact with the connection contact 1 of the collector ring 1. The conductive slip ring 2 of the electric ring 2 is fixedly connected to the center of the upper surface of the screening plate at the bottom end through a fixing rod. The conductive slip ring 2 of the collector ring 2 is located at the inner center of the hollow rotating shaft. The connecting wires of the collector ring 2 are respectively wound around the outside of the connecting rod. The output end of the connecting contact 2 of the collector ring 2 is electrically connected to the input end of the conductive slip ring 1 of the collector ring 1. The connecting contact 2 of the collector ring 2 contacts the conductive slip ring 2 of the collector ring 2. The input end of the conductive slip ring 2 of the collector ring 2 is electrically connected to the output end of the single-chip microcomputer for grinding and secondary heating.
[0013] Furthermore, the dry grinding mechanism also includes a grinding motor, which is connected to the top of the crushing barrel by bolts, the output shaft of the grinding motor is fixedly connected to the top of the hollow rotating shaft, and the input end of the grinding motor is electrically connected to the output end of the single-chip microcomputer to provide driving force.
[0014] Furthermore, the drying and grinding mechanism also includes a heating tube, which is fixedly connected to the top avoidance port of the crushing barrel through a mounting cover, and the input end of the heating tube is electrically connected to the output end of the single-chip microcomputer for preliminary drying.
[0015] Furthermore, it also includes a discharge pipe, which is fixedly connected to the discharge port at the bottom end of the crushing barrel. A valve is connected in series in the middle of the discharge pipe for rapid discharge.
[0016] Furthermore, it also includes an exhaust pipe, which is fixedly connected to the air outlet at the top of the crushing barrel. The exhaust pipe is connected to an external air suction pump to discharge water vapor.
[0017] Compared with the prior art, the beneficial effects of the present invention are: the pulverizer with a drying mechanism has the following advantages:
[0018] By putting the material into the feed pipe, the single chip microcomputer controls the operation of the crushing motor, drives the crushing rollers to rotate relative to each other, and performs preliminary crushing on the material. The block material enters the inner part of the crushing barrel and stays on the upper surface of the screening plate at the top. The single chip microcomputer controls the operation of the heating tube to dry the block material. The water vapor emitted by the block material is discharged through the exhaust pipe. At the same time, the single chip microcomputer controls the operation of the grinding motor to drive the rotation of the hollow rotating shaft. Under the transmission action of the hollow rotating shaft, the turning frame is driven to rotate. The turning frame rotates to turn the block material, ensuring that the block material is heated evenly and at the same time the dry block material passes through the screening at the top. The plate enters the upper surface of the screening plate at the bottom, and the grinding roller rotates under the transmission action of the hollow rotating shaft. At the same time, the grinding roller can also rotate while revolving. At the same time, the operation of the heating rod is regulated by the single chip microcomputer through the collector ring 1 and the collector ring 2 to heat the grinding roller, realizing secondary heating and drying of the material during the grinding process, ensuring the dryness of the material, and avoiding the phenomenon that the material is not dried thoroughly and needs secondary drying. Grinding and drying are carried out at the same time, the processing process is continuous, the efficiency of grinding is improved, the structure is more compact, the required floor space is reduced, and the fully ground material falls from the screening plate. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a schematic diagram of the structure of the utility model;
[0020] Figure 2 It is a structural schematic diagram of the internal sectional view of the present invention.
[0021] In the figure: 1 crushing barrel, 2 support frame, 3 single-chip microcomputer, 4 drying and grinding mechanism, 41 grinding motor, 42 turning frame, 43 hollow rotating shaft, 44 grinding roller, 45 slip ring 1, 46 slip ring 2, 47 heating rod, 48 screening plate, 49 heating tube, 5 discharge pipe, 6 exhaust pipe, 7 crushing mechanism, 71 feed pipe, 72 crushing motor, 73 crushing roller. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0023] See also Figure 1-2 , this embodiment provides a technical solution: a pulverizer with a drying mechanism, comprising a crushing barrel 1, a drying and grinding mechanism 4 and a crushing mechanism 7;
[0024] Crushing barrel 1: A support frame 2 is provided at the bottom end of its outer surface, and further includes a discharge pipe 5, which is fixedly connected to the discharge port at the bottom end of the crushing barrel 1. A valve is connected in series in the middle of the discharge pipe 5. The discharge pipe 5 also includes an exhaust pipe 6, which is fixedly connected to the air outlet at the top end of the crushing barrel 1 and is connected to an external suction pump.
[0025] Drying and grinding mechanism 4: It includes screening plates 48, which are fixedly connected to the inner wall of the grinding barrel 1. The screening holes evenly distributed on the surface of the top screening plate 48 are larger than the screening holes evenly distributed on the surface of the bottom screening plate 48. By feeding the material into the feed pipe 71, the operation of the grinding motor 72 is controlled by the single-chip computer 3, which drives the grinding roller 73 to rotate relative to each other, thereby performing preliminary grinding on the material;
[0026] The grinding mechanism 7 includes a feed pipe 71, a grinding motor 72 and a grinding roller 73. The feed pipe 71 is fixedly connected to the feed port at the top of the grinding barrel 1. The grinding rollers 73 are rotatably connected between the left and right inner walls of the feed pipe 71. The grinding motors 72 are respectively connected to the right side of the feed pipe 71 by bolts. The output shaft of the grinding motor 72 is fixedly connected to the laterally adjacent grinding rollers 73. The drying and grinding mechanism 4 also includes a flip frame 42 and a hollow rotating shaft 43. The top end of the hollow rotating shaft 43 is rotatably connected to the top wall of the grinding barrel 1. The bottom end of the hollow rotating shaft 43 passes through the central circular hole of the top screen plate 48 and is rotatably connected to the center of the bottom screen plate 48. The flip frame 42 is respectively fixedly connected to the upper outer surface of the hollow rotating shaft 43. The flip frame 42 is positioned at the top of the grinding barrel 1. Between the top screening plate 48 and the top wall of the crushing barrel 1, the drying and grinding mechanism 4 also includes a grinding roller 44, a collector ring 1 45, a collector ring 2 46 and a heating rod 47. The lower outer surface of the hollow rotating shaft 43 is fixedly connected with a connecting rod. The grinding rollers 44 are respectively rotatably connected to the outside of the connecting rod. The heating rods 47 are evenly arranged in the mounting openings at the inner edges of the grinding rollers 44. The conductive slip rings 1 of the collector ring 1 45 are respectively fixedly sleeved on the outside of the connecting rod. The connection contact 1 of the collector ring 1 45 is fixedly connected to the contact of the heating rod 47. The conductive slip ring 1 of the collector ring 1 45 is in contact with the connection contact 1 of the collector ring 1 45. The conductive slip ring 2 of the collector ring 2 46 is fixedly connected to the center of the upper surface of the screening plate 48 at the bottom through a fixed rod. The collector ring 2 46 The conductive slip ring 2 is located at the inner center of the hollow rotating shaft 43, and the connecting wires of the collector ring 2 46 are respectively wound around the outside of the connecting rod. The output end of the connecting contact 2 of the collector ring 2 46 is electrically connected to the input end of the conductive slip ring 1 of the collector ring 1 45, and the connecting contact 2 of the collector ring 2 46 contacts the conductive slip ring 2 of the collector ring 2 46. The input end of the conductive slip ring 2 of the collector ring 2 46 is electrically connected to the output end of the single-chip microcomputer 3. The drying and grinding mechanism 4 also includes a grinding motor 41, which is connected to the top of the crushing barrel 1 by bolts, and the output shaft of the grinding motor 41 is fixedly connected to the top of the hollow rotating shaft 43. The input end of the grinding motor 41 is electrically connected to the output end of the single-chip microcomputer 3. The drying and grinding mechanism 4 also includes a heating tube 49, which is respectively connected by an The cover is fixedly connected to the avoidance port at the top of the crushing barrel 1, and the input end of the heating tube 49 is electrically connected to the output end of the single-chip computer 3. The single-chip computer 3 controls the operation of the heating tube 49 to dry the bulk material, and the water vapor emitted by the bulk material is discharged through the exhaust pipe 6. At the same time, the single-chip computer 3 controls the operation of the grinding motor 41 to drive the hollow rotating shaft 43 to rotate. Under the transmission action of the hollow rotating shaft 43, the turning frame 42 is driven to rotate. The turning frame 42 rotates to turn the bulk material, ensuring that the bulk material is heated evenly and at the same time, the dry bulk material passes through the top screening plate 48 and enters the upper surface of the bottom screening plate 48. Under the transmission action of the hollow rotating shaft 43, the grinding roller 44 rotates. At the same time, the grinding roller 44 can also rotate while revolving.At the same time, the operation of the heating rod 47 is controlled by the single chip microcomputer 3 through the collector ring 1 45 and the collector ring 2 46 to heat the grinding roller 44, thereby achieving secondary heating and drying of the material during the grinding process, ensuring the dryness of the material and avoiding the phenomenon of incomplete drying of the material requiring secondary drying. Grinding and drying are carried out simultaneously, the processing process is coherent, the efficiency of the grinding is improved, the structure is more compact, and the required floor space is reduced;
[0027] The MCU 3 is fixedly connected to the outer surface of the crushing barrel 1 , the input end of the MCU 3 is electrically connected to the external power supply, and the input end of the crushing motor 72 is electrically connected to the output end of the MCU 3 .
[0028] The working principle of the pulverizer with a drying mechanism provided by the present invention is as follows: by putting the material into the feed pipe 71, the single chip microcomputer 3 controls the operation of the crushing motor 72, driving the crushing roller 73 to rotate relatively, and performing preliminary crushing on the material. The block material enters the interior of the crushing barrel 1 and stays on the upper surface of the screening plate 48 at the top. The heating tube 49 is controlled by the single chip microcomputer 3 to dry the block material. The water vapor emitted by the block material is discharged through the exhaust pipe 6. At the same time, the grinding motor 41 is controlled by the single chip microcomputer 3 to rotate, driving the hollow rotating shaft 43 to rotate. Under the transmission action of the hollow rotating shaft 43, the turning frame 42 is driven to rotate. The turning frame 42 rotates to turn the block material, ensuring that the block material is heated evenly and uniformly. At the same time, the dry block material passes through the top screening plate 48 and enters the upper surface of the bottom screening plate 48. Under the transmission action of the hollow rotating shaft 43, the grinding roller 44 rotates. At the same time, the grinding roller 44 can also rotate while revolving. At the same time, the operation of the heating rod 47 is regulated by the single chip microcomputer 3 through the collector ring 1 45 and the collector ring 2 46 to heat the grinding roller 44, thereby realizing secondary heating and drying of the material during the grinding process, ensuring the dryness of the material, and avoiding the phenomenon that the material is not thoroughly dried and needs secondary drying. Grinding and drying are carried out simultaneously, the processing process is continuous, the efficiency of grinding is improved, the structure is more compact, the required floor space is reduced, and the fully ground material falls from the screening plate 48.
[0029] It is worth noting that the single chip microcomputer 3 disclosed in the above embodiment can use the STM32F103 chip, the grinding motor 41 can use the NMRV063 / 30-F+YS80341.1KW screw conveyor turbine reduction motor, the crushing motor 72 can use the GH-40 crushing motor, and the heating tube 49 can use an infrared heating tube. The single chip microcomputer 3 controls the grinding motor 41, the heating tube 49 and the crushing motor 72 using the methods commonly used in the prior art.
[0030] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A pulverizer with a drying mechanism, characterized in that: It comprises a crushing barrel (1), a drying and grinding mechanism (4) and a crushing mechanism (7); Crushing barrel (1): a support frame (2) is provided at the bottom end of the outer surface thereof; The drying and grinding mechanism (4) comprises screening plates (48), wherein the screening plates (48) are respectively fixedly connected to the inner wall of the grinding barrel (1); The crushing mechanism (7) comprises a feed pipe (71), a crushing motor (72) and a crushing roller (73), wherein the feed pipe (71) is fixedly connected to the feed port at the top of the crushing barrel (1), the crushing roller (73) is rotatably connected between the left and right inner walls of the feed pipe (71), the crushing motor (72) is connected to the right side of the feed pipe (71) by bolts, and the output shaft of the crushing motor (72) is fixedly connected to the crushing roller (73) adjacent to the latter in the horizontal direction; The invention further comprises a single chip microcomputer (3), wherein the single chip microcomputer (3) is fixedly connected to the outer surface of the crushing barrel (1), the input end of the single chip microcomputer (3) is electrically connected to an external power supply, and the input end of the crushing motor (72) is electrically connected to the output end of the single chip microcomputer (3).
2. A pulverizer with a drying mechanism according to claim 1, characterized in that: The drying and grinding mechanism (4) further comprises a turning frame (42) and a hollow rotating shaft (43), wherein the top end of the hollow rotating shaft (43) is rotatably connected to the top wall of the crushing barrel (1), and the bottom end of the hollow rotating shaft (43) passes through the central circular hole of the top sieve plate (48) and is rotatably connected to the center of the bottom sieve plate (48), and the turning frame (42) is respectively fixedly connected to the upper outer surface of the hollow rotating shaft (43), and the turning frame (42) is located between the top sieve plate (48) and the top wall of the crushing barrel (1).
3. A pulverizer with a drying mechanism according to claim 2, characterized in that: The drying and grinding mechanism (4) further comprises a grinding roller (44), a collector ring 1 (45), a collector ring 2 (46) and a heating rod (47), the lower outer surface of the hollow rotating shaft (43) is fixedly connected with a connecting rod, the grinding roller (44) is rotatably connected to the outside of the connecting rod, the heating rod (47) is evenly arranged in the mounting opening at the inner edge of the grinding roller (44), the conductive slip ring 1 of the collector ring 1 (45) is fixedly sleeved on the outside of the connecting rod, the connection contact 1 of the collector ring 1 (45) is fixedly connected to the contact of the heating rod (47), the conductive slip ring 1 of the collector ring 1 (45) and the collector ring 1 (45) are fixedly connected. The connecting contact 1 is in contact, the conductive slip ring 2 of the collector ring 2 (46) is fixedly connected to the center of the upper surface of the screening plate (48) at the bottom end through a fixing rod, the conductive slip ring 2 of the collector ring 2 (46) is located at the inner center of the hollow rotating shaft (43), the connecting wires of the collector ring 2 (46) are respectively wound around the outside of the connecting rod, the output end of the connecting contact 2 of the collector ring 2 (46) is electrically connected to the input end of the conductive slip ring 1 of the collector ring 1 (45), the connecting contact 2 of the collector ring 2 (46) is in contact with the conductive slip ring 2 of the collector ring 2 (46), and the input end of the conductive slip ring 2 of the collector ring 2 (46) is electrically connected to the output end of the single chip computer (3).
4. The pulverizer with a drying mechanism according to claim 2, characterized in that: The drying and grinding mechanism (4) further comprises a grinding motor (41), which is connected to the top of the crushing barrel (1) via bolts, the output shaft of the grinding motor (41) is fixedly connected to the top of the hollow rotating shaft (43), and the input end of the grinding motor (41) is electrically connected to the output end of the single chip microcomputer (3).
5. The pulverizer with a drying mechanism according to claim 1, characterized in that: The drying and grinding mechanism (4) further comprises a heating tube (49), wherein the heating tube (49) is fixedly connected to the top avoidance opening of the crushing barrel (1) through a mounting cover, and the input end of the heating tube (49) is electrically connected to the output end of the single chip computer (3).
6. The pulverizer with a drying mechanism according to claim 1, characterized in that: It also includes a discharge pipe (5), which is fixedly connected to the discharge port at the bottom end of the crushing barrel (1), and a valve is connected in series in the middle of the discharge pipe (5).
7. The pulverizer with a drying mechanism according to claim 1, characterized in that: It also includes an exhaust pipe (6), which is fixedly connected to the air outlet at the top of the crushing barrel (1), and the exhaust pipe (6) is connected to an external air suction pump.