A wet ball mill for magnesium material production

Abstract

This invention discloses a wet ball mill for magnesium material production, comprising a ball mill cylinder (1), a support bearing assembly (2), a feed pipe (3), a collection box (4), a spray bar (5), a water pump (6), a water tank (7), and a nozzle (8); characterized in that: the nozzle comprises a nozzle cylinder (81), a nozzle core (82), a positioning ring (83), a fixed swirling fluid (84), a fixed head (85), a rotating body (86), and an adjusting screw (87), wherein the left end of the nozzle core is in step-type abutment with the nozzle cylinder, the left end of the positioning ring is in step-type abutment with the right end of the nozzle core, the left end face of the fixed swirling fluid abuts with the right end face of the positioning ring, the left end face of the fixed head abuts with the right end face of the fixed swirling fluid, the rotating body is installed in the swirling mixing chamber, the adjusting screw passes through the fixed head and the fixed swirling fluid in sequence and is connected to the rotating body, and the right end of the nozzle cylinder is connected to the spray bar. This invention can improve the uniformity of droplet spraying from the nozzle, and the nozzle is easy to install / disassemble, simple to manufacture, and inexpensive.

Description

Technical Field

[0001] This invention relates to the technical field of crushing and grinding equipment for magnesium composite material production processes, specifically to a wet ball mill for magnesium material production. Background Technology

[0002] Ball mills are key equipment for further pulverizing materials after they have been crushed. A certain number of steel balls are loaded into the mill as grinding media. Ball mills are widely used in the production of cement, silicate products, new building materials, refractory materials, fertilizers, ferrous / non-ferrous metal ore beneficiation, and glass and ceramics. Existing ball mills include dry ball mills and wet ball mills. Wet ball mills use water or treatment fluid injected / sprayed to assist in pulverization and grinding. However, existing ball mill nozzles still suffer from poor uniformity of droplet spraying and inconvenient installation / disassembly and replacement. Summary of the Invention

[0003] The purpose of this invention is to overcome the shortcomings of existing technologies and provide a wet ball mill for magnesium material production. Through nozzle design, this mill improves the uniformity of droplet distribution and droplet diameter / size, thereby saving processing fluid and improving the uniformity / sufficiency of contact between water or processing fluid and raw materials. The nozzle is easy to install / disassemble, maintain / replace, simple to manufacture, and inexpensive.

[0004] To achieve the above objectives, the technical solution adopted by the present invention is as follows:

[0005] A wet ball mill for magnesium material production includes a ball mill cylinder (1), a support bearing assembly (2), a feed pipe (3), a collection box (4), a spray bar (5), a water pump (6), a water tank (7), a nozzle (8), and a transmission ring (11). The ball mill cylinder is rotatably supported at both ends by the support bearing assembly. The feed pipe and the collection box are respectively connected to both ends of the ball mill cylinder. A spray bar is installed inside the ball mill cylinder. The outer end of the spray bar is connected to the water pump through a pipe. The water pump is connected to the water tank through a pipe. The water tank contains water or treatment liquid. Multiple nozzles are installed on the spray bar along the axial direction. A transmission ring is connected to the outer circumferential surface of the ball mill cylinder. The nozzle (8) includes a nozzle cylinder (81), a nozzle core (82), and a positioning ring (83). The nozzle cylinder consists of a fixed swirling flow (84), a fixed head (85), a rotating body (86), and an adjusting screw (87). The nozzle cylinder is an integral cylindrical structure with openings at both ends. The nozzle core, positioning ring, fixed swirling flow, fixed head, rotating body, and adjusting screw are all installed inside the nozzle cylinder. The left end of the nozzle core is in step-type contact with the nozzle cylinder, the left end of the positioning ring is in step-type contact with the right end of the nozzle core, the left end face of the fixed swirling flow is in contact with the right end face of the positioning ring, and the left end face of the fixed head is in contact with the right end face of the fixed swirling flow. The nozzle core, positioning ring, and fixed swirling flow form a swirling mixing chamber. The rotating body is installed inside the swirling mixing chamber. The adjusting screw passes through the fixed head and fixed swirling flow in sequence and is connected to the rotating body. The right end of the nozzle cylinder is connected to the spray bar.

[0006] Furthermore, the nozzle body (81) includes a first step portion (811) and a threaded section (812). The left end of the nozzle body is provided with the first step portion, and the right end of the nozzle body is provided with the threaded section, which is an internal thread. The nozzle core (82) includes an inner cavity (821), a spray port (822), and an L-shaped first channel (823). The right end of the nozzle core is provided with the inner cavity, and the left end is provided with a diffusion-type spray port. The right end of the nozzle core body is provided with an L-shaped first channel. Multiple L-shaped first channels are evenly distributed circumferentially. The left end of the nozzle core body is in step-like contact with the first step portion.

[0007] Furthermore, the left end of the positioning ring (83) abuts against the right end of the nozzle core body in a stepped manner, and the right end of the positioning ring abuts against the left end face of the fixed swirling fluid; the fixed swirling fluid (84) includes a bearing (841), a spiral groove (842), and a first hole (843). The bearing is installed in the central groove at the left end of the fixed swirling fluid, and a spiral groove is provided on the outer circumferential surface of the fixed swirling fluid. The spiral groove is used to generate swirling flow in the liquid, and a first hole is provided at the center of the right end of the fixed swirling fluid.

[0008] Furthermore, the fixing head (85) includes a connecting part (851), an inclined section (852), a liquid inlet channel (853), and a second hole (854). The right end of the fixing head is provided with a connecting part, which has an external thread that engages with the threaded section. The inclined section at the left end of the fixing head is provided with multiple circumferentially distributed liquid inlet channels. The left end face of the inclined section abuts against the right end face of the fixed vortex fluid. The center of the left end of the fixing head is provided with a second hole.

[0009] Further, the rotating body (86) includes an embedded section (861), a first rotating wheel (862), and a second rotating wheel (863). The embedded section at the right end of the rotating body is embedded in the central groove and rotatably supported by a bearing. The first rotating wheel includes a rotating shaft and a helical blade. The helical blade is wound around the outer circumferential surface of the rotating shaft. The second rotating wheel includes an inclined blade and a core. Multiple inclined blades are arranged circumferentially on the outer circumferential part of the left side of the core. The left end face of the core is connected to the rotating shaft. The outer diameter of the helical blade is smaller than the outer diameter of the inclined blade. In the axial direction, an L-shaped first channel (823) is arranged between the left end face of the helical blade and the right end face of the inclined blade. The rotating body rotates under the impact of the liquid.

[0010] Furthermore, the adjusting screw (87) passes through the second hole (854) and the first hole (843) in sequence and is threadedly connected to the embedded section (861). The adjusting screw includes a threaded section and a smooth shaft section. The adjusting screw rotates together with the rotating body (86). An adjusting thrust bearing disc (871) is provided between the end of the adjusting screw and the inclined section. The right end of the threaded section (812) is used to be threadedly connected to the spray bar (5).

[0011] Furthermore, the outer diameter of the connecting part (851) is larger than the outer diameter of the nozzle core (82), the positioning ring (83), and the fixed swirling fluid (84). During installation, the rotating body (86) is first connected with the fixed swirling fluid and the fixed head (85) through the adjusting screw (87) to form a combination, and the axial position of the rotating body is adjusted. Then, the nozzle core (82) and the positioning ring (83) are installed sequentially from the right end of the nozzle cylinder (81). Finally, the combination is screwed in through the threaded section (812) and threadedly connected to the spray bar through the threaded section.

[0012] Furthermore, a first spiral groove (12) is provided at the inner hole of both ends of the ball mill cylinder (1). The first spiral groove is used to promote the flow of materials. The outer end section of the spray bar (5) is connected to the inner hole wall of both ends of the ball mill cylinder through a rotating support assembly (13). The nozzle is used to spray water or treatment liquid.

[0013] This invention discloses a wet ball mill for magnesium material production. Through its nozzle design, it improves the uniformity of droplet distribution and droplet diameter / size, thereby saving processing fluid and enhancing the uniformity / sufficiency of contact between water or processing fluid and raw materials. The nozzle is easy to install / disassemble, maintain / replace, simple to manufacture, and inexpensive. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of a ball mill in the prior art;

[0015] Figure 2 This is a schematic diagram of the nozzle structure of the present invention;

[0016] Figure 3 This is a schematic diagram of the nozzle structure of the present invention.

[0017] In the diagram: 1. Ball mill cylinder; 2. Support bearing assembly; 3. Feed pipe; 4. Collection box; 5. Spray bar; 6. Water pump; 7. Water tank; 8. Nozzle; 11. Transmission ring; 12. First spiral groove; 13. Rotary support assembly; 81. Nozzle cylinder; 82. Nozzle core; 83. Positioning ring; 84. Fixed swirling fluid; 85. Fixed head; 86. Rotating body; 87. Adjusting screw / bolt; 811. First step; 812. Threaded section; 821. Inner cavity; 822. Injection port; 823. L-shaped first channel; 841. Bearing; 842. Spiral groove; 843. First hole; 851. Connecting part; 852. Inclined section; 853. Liquid inlet channel; 854. Second hole; 861. Embedded section; 862. First rotating wheel; 863. Second rotating wheel; 871. Adjusting thrust bearing disc / ring. Detailed Implementation

[0018] To make the technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in a clearer and more complete manner below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some embodiments of the present invention, and are only used to explain the present invention, not to limit the present invention. It should be noted that, for ease of description, only the parts / structures related to the present invention are shown in the accompanying drawings. Other related parts can be referred to with ordinary design. In the absence of conflict, the embodiments and technical features in the embodiments of the present invention can be combined with each other to obtain new embodiments.

[0019] Based on the embodiments of this invention, all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this invention. Furthermore, unless otherwise defined, the technical or scientific terms used in the description of this invention should have the ordinary meaning understood by those skilled in the art.

[0020] The present invention will now be described in further detail with reference to the accompanying drawings.

[0021] like Figure 1-3 As shown, a wet ball mill for magnesium material production includes a ball mill body 1, a support bearing assembly 2, a feed pipe 3, a collection box 4, a spray bar 5, a water pump 6, a water tank 7, a nozzle 8, and a transmission ring 11. The ball mill body 1 is rotatably supported at both ends by the support bearing assembly 2. The feed pipe 3 and the collection box 4 are respectively connected to both ends of the ball mill body 1. A spray bar 5 is installed inside the ball mill body 1, and the outer end of the spray bar 5 is connected to the water pump 6 through a pipe. The water pump 6 is connected to the water pump 6 through a pipe. The tank 7 is connected to the ball mill cylinder 1. The water tank 7 contains water or treatment liquid. Multiple nozzles 8 are mounted axially on the spray bar 5. A transmission ring 11 is connected to the outer circumference of the ball mill cylinder 1. The transmission ring 11 is connected to the drive motor through a transmission assembly. First spiral grooves 12 are provided at the inner holes at both ends of the ball mill cylinder 1. The first spiral grooves 12 are used to promote the flow of raw materials / materials. The outer end section of the spray bar 5 is connected to the inner hole wall at both ends of the ball mill cylinder 1 through a rotating support assembly 13. The feature is that: the nozzles 8 includes a nozzle body 81, a nozzle core 82, a positioning ring 83, a fixed swirling fluid 84, a fixed head 85, a rotating body 86, and an adjusting screw 87. The nozzle body 81 is a one-piece cylindrical structure with openings at both ends. The nozzle core 82, positioning ring 83, fixed swirling fluid 84, fixed head 85, rotating body 86, and adjusting screw 87 are all installed inside the nozzle body 81. The left end of the nozzle core 82 is in a stepped abutment fit with the nozzle body 81, and the left end of the positioning ring 83 is in a stepped abutment fit with the nozzle core 82. 2. The right end is stepped and abutted together. The left end face of the fixed swirling fluid 84 abuts against the right end face of the positioning ring 83. The left end face of the fixed head 85 abuts against the right end face of the fixed swirling fluid 84. The nozzle core 82, the positioning ring 83, and the fixed swirling fluid 84 form a swirling mixing chamber. The rotating body 86 is installed in the swirling mixing chamber. The adjusting screw / screw 87 passes through the fixed head 85 and the fixed swirling fluid 84 in sequence and is connected to the rotating body 86. The right end of the nozzle cylinder 81 is connected to the spray bar 5.

[0022] Furthermore, the nozzle body 81 includes a first step portion 811 and a threaded section 812. The first step portion 811 is provided at the left end of the nozzle body 81, and the threaded section 812 is provided at the right end of the nozzle body 81. The threaded section 812 is an internal thread.

[0023] The nozzle core 82 includes an inner cavity 821, an injection port 822, and an L-shaped first channel 823. The inner cavity 821 is provided at the right end of the nozzle core 82, and the diffusion-type injection port 822 is provided at the left end. The L-shaped first channel 823 is provided at the right end of the nozzle core body. Multiple L-shaped first channels 823 are evenly distributed circumferentially. The left end of the nozzle core body abuts against the first step portion 811 in a stepped manner.

[0024] The left end of the positioning ring 83 abuts against the right end of the nozzle core body in a stepped manner, and the right end of the positioning ring 83 abuts against the left end face of the fixed swirling fluid 84.

[0025] The fixed swirling fluid 84 includes a bearing 841, a spiral groove 842, and a first hole 843. The bearing 841 is installed in the central groove at the left end of the fixed swirling fluid 84. The spiral groove 842 is provided on the outer circumferential surface of the fixed swirling fluid 84. The spiral groove 842 is used to generate swirling flow in the liquid. The first hole 843 is provided at the center of the right end of the fixed swirling fluid 84.

[0026] The fixed head 85 includes a connecting part 851, an inclined section 852, a liquid inlet channel 853, and a second hole 854. The right end of the fixed head 85 is provided with the connecting part 851, which has an external thread that engages with the threaded section 812. The inclined section 852 at the left end of the fixed head 85 is provided with a plurality of circumferentially distributed liquid inlet channels 853. The left end face of the inclined section 852 abuts against the right end face of the fixed vortex fluid 84. The center of the left end of the fixed head 85 is provided with the second hole 854.

[0027] The rotating body 86 includes an embedded section 861, a first rotating wheel 862, and a second rotating wheel 863. The embedded section 861 at the right end of the rotating body 86 is embedded in the central groove and is rotatably supported by a bearing 841. The first rotating wheel 862 includes a rotating shaft and helical blades. The helical blades are wound around the outer circumferential surface of the rotating shaft. The second rotating wheel 863 includes inclined blades and a core. Multiple inclined blades are arranged circumferentially on the outer circumferential part of the left side of the core. The left end face of the core is connected to the rotating shaft. The outer diameter of the helical blades is smaller than the outer diameter of the inclined blades. In the axial direction, an L-shaped first channel 823 is disposed between the left end face of the helical blades and the right end face of the inclined blades. The rotating body 86 rotates under the impact of the liquid and is used to generate eddies, collision reflection flows, and / or mixed flows in the swirling mixing chamber.

[0028] The adjusting screw / bolt 87 passes sequentially through the second hole 854 and the first hole 843 before being threaded into the embedded section 861. The adjusting screw 87 includes a threaded section and a smooth shaft section. The adjusting screw 87 rotates together with the rotating body 86. An adjusting thrust bearing disc / ring 871 is provided between the end of the adjusting screw 87 and the inclined section 852. The right end of the threaded section 812 is used for threaded connection with the spray bar 5. By adjusting the relative engagement length between the adjusting screw 87 and the embedded section 861 and / or replacing the adjusting thrust bearing disc / ring 871 with different thicknesses, the axial position of the rotating body 86 can be adjusted, thereby enabling the adjustment of the effects of generating vortices, collision reflection flows, and / or mixed flows in the swirling mixing chamber.

[0029] The outer diameter of the connecting part 851 is larger than the outer diameter of the nozzle core 82, the positioning ring 83, and the fixed swirling fluid 84.

[0030] During installation, the rotating body 86 is first connected to the fixed swirling head 84 and the fixed head 85 via the adjusting screw 87 to form an assembly. The axial position of the rotating body 86 is then adjusted. Next, the nozzle core 82 and the positioning ring 83 are sequentially inserted from the right end of the nozzle body 81. Finally, the assembly is screwed in through the threaded section 812 and threadedly connected to the spray bar 5 via the threaded section 812. The nozzle of this invention is easy to install / disassemble, maintain / replace, simple to manufacture, and inexpensive.

[0031] like Figure 2-3 As shown, the arrow "←" indicates the liquid flow direction. The spiral groove 842 is used to generate swirling flow in the liquid. The rotating body 86 rotates under the impact of the liquid to generate eddies, collision-reflected flows, and / or mixed flows within the swirling mixing chamber. The nozzle of this invention can improve the uniformity of droplet distribution and droplet diameter / size uniformity, thereby saving processing liquid and improving the uniformity / sufficiency of contact between water or processing liquid and raw materials / materials.

[0032] This invention discloses a wet ball mill for magnesium material production. Through its nozzle design, it improves the uniformity of droplet distribution and droplet diameter / size, thereby saving processing fluid and enhancing the uniformity / sufficiency of contact between water or processing fluid and raw materials. The nozzle is easy to install / disassemble, maintain / replace, simple to manufacture, and inexpensive.

Claims

1. A wet ball mill for magnesium material production, comprising a ball mill cylinder (1), a support bearing assembly (2), a feed pipe (3), a collection box (4), a spray bar (5), a water pump (6), a water tank (7), nozzles (8), and a transmission ring (11), wherein the two ends of the ball mill cylinder are rotatably supported by the support bearing assembly, the two ends of the ball mill cylinder are respectively connected to the feed pipe and the collection box, a spray bar is installed inside the ball mill cylinder, the outer end of the spray bar is connected to the water pump through a pipe, the water pump is connected to the water tank through a pipe, the water tank is filled with water, multiple nozzles are installed on the spray bar along the axial direction, and a transmission ring is connected to the outer circumferential surface of the ball mill cylinder; characterized in that: The nozzle (8) includes a nozzle body (81), a nozzle core (82), a positioning ring (83), a fixed swirling fluid (84), a fixed head (85), a rotating body (86), and an adjusting screw (87). The nozzle body is an integral cylindrical structure with openings at both ends. The nozzle core, positioning ring, fixed swirling fluid, fixed head, rotating body, and adjusting screw are all installed inside the nozzle body. The left end of the nozzle core is in step-type contact with the nozzle body, the left end of the positioning ring is in step-type contact with the right end of the nozzle core, the left end face of the fixed swirling fluid is in contact with the right end face of the positioning ring, and the left end face of the fixed head is in contact with the right end face of the fixed swirling fluid. The nozzle core, positioning ring, and fixed swirling fluid form a swirling mixing chamber. The rotating body is installed inside the swirling mixing chamber. The adjusting screw passes through the fixed head and fixed swirling fluid in sequence and is connected to the rotating body. The right end of the nozzle body is connected to the spray bar. The nozzle body (81) includes a first stepped portion (811) and a threaded section (812). The first stepped portion is provided at the left end of the nozzle body, and the threaded section is provided at the right end of the nozzle body. The threaded section is an internal thread. The nozzle core (82) includes an inner cavity (821), a spray port (822), and an L-shaped first channel (823). The inner cavity is provided at the right end of the nozzle core, and a diffuser spray port is provided at the left end. The L-shaped first channel is provided at the right end of the nozzle core body. Multiple L-shaped first channels are evenly distributed along the circumference. The left end of the nozzle core body abuts against the first stepped portion in a stepped manner. The left end of the positioning ring (83) abuts against the right end of the nozzle core body in a stepped manner, and the right end of the positioning ring abuts against the left end face of the fixed swirling fluid; the fixed swirling fluid (84) includes a bearing (841), a spiral groove (842), and a first hole (843). The bearing is installed in the central groove at the left end of the fixed swirling fluid, and a spiral groove is provided on the outer circumferential surface of the fixed swirling fluid. The spiral groove is used to generate swirling flow in the liquid, and a first hole is provided at the center of the right end of the fixed swirling fluid. The rotating body (86) includes an embedded section (861), a first rotating wheel (862), and a second rotating wheel (863). The embedded section at the right end of the rotating body is embedded in the central groove and rotatably supported by a bearing. The first rotating wheel includes a rotating shaft and a helical blade. The helical blade is wound around the outer circumferential surface of the rotating shaft. The second rotating wheel includes an inclined blade and a core. Multiple inclined blades are arranged circumferentially on the outer circumferential part of the left side of the core. The left end face of the core is connected to the rotating shaft. The outer diameter of the helical blade is smaller than the outer diameter of the inclined blade. In the axial direction, an L-shaped first channel (823) is arranged between the helical blade and the inclined blade. The rotating body rotates under the impact of the liquid.

2. A wet ball mill for magnesium material production as described in claim 1, characterized in that, The fixed head (85) includes a connecting part (851), an inclined section (852), a liquid inlet channel (853), and a second hole (854). The right end of the fixed head is provided with a connecting part, which has an external thread that engages with the threaded section. The inclined section at the left end of the fixed head is provided with multiple circumferentially distributed liquid inlet channels. The left end face of the inclined section abuts against the right end face of the fixed vortex fluid. The center of the left end of the fixed head is provided with a second hole.

3. A wet ball mill for magnesium material production as described in claim 2, characterized in that, The adjusting screw (87) passes through the second hole (854) and the first hole (843) in sequence and is threadedly connected to the embedded section (861). The adjusting screw includes a threaded section and a smooth shaft section. The adjusting screw rotates together with the rotating body (86). An adjusting thrust bearing disc (871) is provided between the end of the adjusting screw and the inclined section. The right end of the threaded section (812) is used to be threadedly connected to the spray bar (5).

4. A wet ball mill for magnesium material production as described in claim 3, characterized in that, The outer diameter of the connecting part (851) is larger than the outer diameter of the nozzle core (82), the positioning ring (83), and the fixed swirling fluid (84). During installation, the rotating body (86) is first connected with the fixed swirling fluid and the fixed head (85) through the adjusting screw (87) to form a combination. The axial position of the rotating body is adjusted. Then, the nozzle core (82) and the positioning ring (83) are installed sequentially from the right end of the nozzle cylinder (81). Finally, the combination is screwed in through the threaded section (812) and connected to the spray bar through the threaded section.

5. A wet ball mill for magnesium material production as described in claim 3 or 4, characterized in that, The ball mill cylinder (1) has a first spiral groove (12) at both ends of the inner hole. The first spiral groove is used to promote the flow of materials. The outer end of the spray bar (5) is connected to the inner hole wall at both ends of the ball mill cylinder through a rotating support assembly (13). The nozzle is used to spray water.

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