Titanium dioxide raw material fine grinding, stirring and processing integrated production and processing equipment and process

Abstract

The invention discloses titanium dioxide raw material fine grinding, stirring and processing integrated production and processing equipment and technology, and belongs to the technical field of titanium dioxide processing, the production and processing equipment comprises a smashing bin, a fixing frame and a stirring cavity, and a motor is arranged on the side wall of the smashing bin. According to the titanium dioxide slurry grinding device, raw materials are subjected to multi-stage crushing and grinding through cooperation of the crushing rollers, the lower grinding disc and the upper grinding disc, wet grinding is guaranteed through cooperation of liquefaction of a liquid discharging opening, so that a product is in a slurry form, and stirring blades are driven to continuously stir titanium dioxide slurry subjected to multi-stage grinding in a stirring cavity while grinding is conducted through a grinding frame; according to the present invention, the grinding process is simple, the sedimentation and the agglomeration of the ground titanium dioxide particles are avoided, the slurry and the added mixture can be automatically stirred, the grinding and stirring processing integrated production is achieved, and the combination effect of the titanium dioxide particle product and the additive is improved through the fluidity and the dispersibility of the liquid compared with the powder type particle product; the overall quality of the product is obviously improved.

Description

Technical Field

[0001] The invention relates to the technical field of titanium dioxide processing, and in particular to an integrated production and processing equipment and process for fine grinding and stirring processing of titanium dioxide raw materials. Background Art

[0002] Titanium dioxide is the most important white pigment in coatings. It is widely used in various types of coatings such as interior and exterior wall coatings, wood paints, and automotive paints. The optical properties of titanium dioxide are closely related to its particle size. Titanium dioxide crushed to an appropriate particle size can provide better optical properties such as hiding power and gloss.

[0003] At present, the titanium dioxide raw materials are mainly finely ground by Raymond mill, ball mill and other devices. However, in the above-mentioned dry grinding process, the heat generated by grinding is difficult to dissipate quickly, which may cause local overheating of the titanium dioxide, thereby affecting the crystal structure and performance of the titanium dioxide. It is not only easy to agglomerate, but also the bonding efficiency between solid powders is low when mixed with additives in the later stage, affecting the product quality.

[0004] How to invent an integrated production and processing equipment and process for fine grinding and stirring of titanium dioxide raw materials to improve these problems has become an urgent problem to be solved by technical personnel in this field. Summary of the invention

[0005] In order to make up for the above shortcomings, the present invention provides an integrated production and processing equipment and process for fine grinding and stirring of titanium dioxide raw materials, aiming to improve the problems raised by the above background technology.

[0006] The present invention is achieved in that: The present invention provides an integrated production and processing equipment for fine grinding and stirring of titanium dioxide raw materials. The production and processing equipment comprises a crushing bin, a fixed frame and a stirring chamber. A motor is arranged on the side wall of the crushing bin, a crushing roller is arranged inside the crushing bin, a movable frame is sleeved on the bottom of the crushing bin, a grinding frame is rotatably connected to the top of the stirring chamber, a gear 1 connected to the grinding frame in transmission is arranged on the output end of the motor, a stirring chamber is arranged on the bottom of the fixed frame, an annular groove connected to the stirring chamber is provided on the grinding frame, a stirring shaft is arranged on the bottom of the grinding frame, a stirring blade is rotatably connected to the side wall of the stirring shaft, a fixed shaft connected to the stirring shaft in rotation is arranged on the inner bottom of the stirring chamber, a bevel gear group connected in transmission is arranged on the top of the fixed shaft and one end of the stirring blade extending to the inside of the stirring shaft, and the fixed frame is further provided with: The grinding mechanism includes an upper grinding disc arranged at the bottom of the movable frame, a lower grinding disc arranged on the top of the grinding frame, a liquid discharge port arranged on the inner wall of the crushing bin, a fixed frame fixedly connected to the inner side of the fixed frame, a grinding ring arranged on the top of the fixed frame, the grinding ring is movably connected to the upper grinding disc, the bottom of the grinding ring is matched with the lower grinding disc, a liquid spraying component is also arranged inside the grinding ring, and a driving component is arranged on the top of the fixed frame.

[0007] Preferably, the top of the lower grinding disc, the bottom of the upper grinding disc, and the bottom of the grinding ring are designed with matching arcs. Along the center of the upper grinding disc to the edge of the upper grinding disc, the gap between the upper grinding disc and the lower grinding disc gradually becomes smaller.

[0008] Preferably, the driving assembly includes multiple groups of energy storage chambers arranged at the top of the fixed frame. A stress chamber is arranged at the top of the energy storage chamber. A communication ring is arranged on the side wall of the stress chamber, and the communication ring is communicated with the energy storage chamber. A first piston is sleeved inside the energy storage chamber. A first slider that cooperates with the first piston is also sleeved on the inner side wall of the energy storage chamber. A drainage port that cooperates with the first slider is opened on the side wall of the energy storage chamber. The drainage port is communicated with the bottom of the stress chamber through a group of pipelines. A second piston is sleeved inside the stress chamber. A push rod connected to the movable frame is arranged at the top of the second piston. A communication pipe communicated with the grinding ring is opened at the bottom of the stress chamber. The fixed frame is provided with a liquid pumping assembly that provides power to the communication ring.

[0009] Preferably, the liquid pumping assembly includes a driving chamber opened on the side wall of the fixed frame. A third piston is sleeved inside the driving chamber. A cam is sleeved on the output shaft of the motor, and the driving chamber is communicated with the communication ring.

[0010] Preferably, magnets are arranged at the top and bottom of the first slider, and magnets that cooperate with the first slider are arranged inside the energy storage chamber.

[0011] Preferably, a piston rod is arranged at the bottom of the first slider, and an airtight groove that cooperates with the piston rod is arranged inside the energy storage chamber. The airtight groove is communicated with the outside through an air hole.

[0012] Preferably, the liquid spraying assembly includes a first pipeline and a second pipeline opened inside the grinding ring. A driving ring and a liquid spraying ring are rotatably connected inside the grinding ring. A fixed ring is fixedly installed inside the grinding ring. A group of rotating shafts are arranged at the center of the driving ring. Vanes are arranged on the side wall of the rotating shaft, and the rotating shaft is also connected to the liquid spraying ring. Multiple groups of liquid spraying ports are arranged inside the liquid spraying ring.

[0013] Preferably, the ends of the second pipeline and the first pipeline close to the communication pipe are designed to be distributed vertically.

[0014] The processing technology of the integrated production and processing equipment for fine grinding and stirring of titanium dioxide raw materials includes the following steps: S1: Add titanium dioxide raw materials and perform primary crushing and refinement through a crushing roller; S2: Refine and grind the refined materials through the lower grinding disc and the upper grinding disc; S3: Continuously stir and mix the slurry after grinding inside the stirring chamber through the stirring blades; S4: Filter, wash, and dry the product slurry to obtain titanium dioxide products.

[0015] In summary, the beneficial effects of the present invention are: 1. The raw materials are pre-crushed by the crushing roller, and further ground by the cooperation of the lower grinding disc and the upper grinding disc. The liquefaction of the discharge port ensures the grinding efficiency while maintaining wet grinding, so that the product is in the form of slurry. At the same time, the bevel gear transmission design that matches the end of the stirring blade and the top of the fixed shaft allows the grinding frame to drive the stirring blade to continuously stir the titanium dioxide slurry after multi-stage grinding in the stirring chamber during grinding, thereby avoiding the sedimentation and agglomeration of the titanium dioxide particles after grinding. The slurry and the added mixture can also be automatically stirred, realizing the integrated production of grinding and stirring processing. Compared with powder-type particle products, the fluidity and dispersibility of the liquid can improve the effect of combining the titanium dioxide particle product with the additive, thereby significantly improving the overall quality of the product.

[0016] 2. During the grinding process, the cam rotates to continuously pump liquid into the energy storage chamber. Through the cooperation between the energy storage chamber and the force-bearing chamber, when the energy storage reaches a certain level, the movable frame can be lifted to change the distance between the lower grinding disc and the upper grinding disc, and the lower grinding disc and the upper grinding disc grinding area can be rotated and sprayed through the liquid spray port to achieve periodic and automatic change of the contact state between the grinding medium and the material. The fine powder and heat generated during the grinding process are automatically taken away by the automatic flushing process, which not only reduces blockage and improves grinding efficiency, but also avoids changes in material properties and agglomeration of titanium dioxide due to excessive local temperature, thereby improving the overall grinding efficiency and grinding quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is an overall schematic diagram of the device provided by the embodiment of the present invention.

[0019] Figure 2 It is an overall schematic diagram of a crushing roller provided in an embodiment of the present invention.

[0020] Figure 3 It is a schematic diagram of the interior of a movable frame provided in an embodiment of the present invention.

[0021] Figure 4 It is a schematic diagram of the interior of the driving cavity provided in an embodiment of the present invention.

[0022] Figure 5 It is a schematic diagram of the matching part of the lower grinding disc and the upper grinding disc provided in an embodiment of the present invention.

[0023] Figure 6It is a schematic diagram of the separation of the upper grinding disc and the grinding ring provided in an embodiment of the present invention.

[0024] Figure 7 It is a schematic diagram of the interior of the power storage chamber and the grinding ring provided in an embodiment of the present invention.

[0025] Figure 8 It is a schematic diagram of the interior of the power storage chamber provided in an embodiment of the present invention.

[0026] Fig. 9 The present invention Figure 8 An enlarged schematic diagram of point A.

[0027] Fig.10 It is a schematic diagram of the interior of the liquid injection ring provided in an embodiment of the present invention.

[0028] Fig.11 It is a schematic diagram of the connection between the stirring shaft and the fixed shaft provided in an embodiment of the present invention.

[0029] Legend: 100, crushing bin; 102, motor; 103, gear one; 104, crushing roller; 200, fixed frame; 201, movable frame; 202, grinding frame; 203, lower grinding disc; 204, upper grinding disc; 205, annular groove; 206, drain port; 207, fixed frame; 208, grinding ring; 209, force storage chamber; 210, force chamber; 211, connecting ring; 212, piston one; 213, slider one; 214, drain port; 215, piston two; 216, connecting pipe; 217, pipeline one; 218, pipeline two; 219, driving ring; 220, fixed ring; 221, spray ring; 222, spray port; 300, stirring chamber; 301, stirring shaft; 302, fixed shaft; 303, stirring blade; 400, driving chamber; 401, cam; 402, piston three. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are 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 creative work are within the scope of protection of the present invention.

[0031] Reference Figure 1-11The present invention provides an integrated production and processing equipment and process for fine grinding and stirring of titanium dioxide raw materials. The production and processing equipment includes a crushing bin 100, a fixed frame 200 and a stirring chamber 300. The side wall of the crushing bin 100 is provided with a motor 102. The crushing bin 100 is provided with a crushing roller 104 that is transmission-connected to the motor 102. The bottom of the crushing bin 100 is sleeved with a movable frame 201. The top of the stirring chamber 300 is rotatably connected to a grinding frame 202. The output end of the motor 102 is provided with a gear 103 that is transmission-connected to the grinding frame 202. The bottom of the fixed frame 200 is provided with a stirring chamber 300. The side wall of the stirring chamber 300 is provided with an additive mixing inlet, and additives are added according to the processing time and processing amount of the titanium dioxide raw material. The grinding frame 202 is provided with an annular groove 205 connected to the stirring chamber 300, and the bottom of the grinding frame 202 is provided with a stirring shaft 301, and the side wall of the stirring shaft 301 is rotatably connected with a stirring blade 303. The inner bottom of the stirring chamber 300 is provided with a fixed shaft 302 rotatably connected with the stirring shaft 301, and the top of the fixed shaft 302 and the end of the stirring blade 303 extending to the inside of the stirring shaft 301 are provided with a bevel gear set connected by transmission, and the fixed frame 200 is also provided with: The grinding mechanism includes an upper grinding disc 204 arranged at the bottom of a movable frame 201, a lower grinding disc 203 is arranged on the top of the grinding frame 202, a drain port 206 is arranged on the inner wall of the crushing bin 100, and the drain port 206 is connected to an external water supply pipe. A fixed frame 207 is fixedly connected to the inner side of the fixed frame 200, and a grinding ring 208 is arranged on the top of the fixed frame 207. The grinding ring 208 is movably connected to the upper grinding disc 204, and the bottom of the grinding ring 208 is matched with the lower grinding disc 203 to maintain a fixed gap, so that only particles that meet the particle size requirements are allowed to pass through, and a liquid spray component is also arranged inside the grinding ring 208, and a driving component is arranged on the top of the fixed frame 207.

[0032] It should be noted that the top of the lower grinding disc 203, the bottom of the upper grinding disc 204 and the bottom of the grinding ring 208 are designed to match each other in arc shape, and the gap between the upper grinding disc 204 and the lower grinding disc 203 gradually becomes smaller from the center to the edge of the upper grinding disc 204.

[0033] Reference Figure 3-9The driving assembly includes a plurality of force storage chambers 209 arranged on the top of the fixed frame 207, a force receiving chamber 210 is arranged on the top of the force storage chamber 209, a connecting ring 211 is arranged on the side wall of the force receiving chamber 210, the connecting ring 211 is connected with the force storage chamber 209, a piston 212 is sleeved inside the force storage chamber 209 through a spring, a slider 213 matching with the piston 212 is sleeved on the inner side wall of the force storage chamber 209, a drainage port 214 matching with the slider 213 is opened on the side wall of the force storage chamber 209, and the drainage port 214 is connected with the bottom of the force receiving chamber 210 through a group of pipes. A piston 215 is sleeved inside the force-bearing chamber 210, a group of push rods connected to the movable frame 201 are arranged on the top of the piston 215, a connecting pipe 216 connected to the grinding ring 208 is opened at the bottom of the force-bearing chamber 210, and the fixed frame 200 is provided with a pump liquid component that provides power to the connecting ring 211. It should be noted that a group of rotating rings are arranged on the side wall of the movable frame 201, the rotating rings are connected to the inside of the grinding ring 208, and the connecting pipe 216 is connected to the rotating ring, so that when the movable frame 201 rotates or moves, the connecting pipe 216 will be connected to the inside of the grinding ring 208.

[0034] Reference Figure 3-6 The pump liquid assembly includes a driving chamber 400 opened on the side wall of the fixed frame 200, a piston three 402 is sleeved inside the driving chamber 400, a spring is arranged between the piston three 402 and the driving chamber 400, a cam 401 is sleeved on the output shaft of the motor 102, the driving chamber 400 is connected to the connecting ring 211, and two groups of one-way pipes are arranged on the side wall of the driving chamber 400, one group is connected to the external liquid supply end for sucking liquid, and the other group is connected to the connecting ring 211 for supplying liquid to the inside of the connecting ring 211.

[0035] It should be noted that magnets are provided at the top and bottom of the slider 213, and a magnet matching the slider 213 is provided inside the force storage chamber 209. When the slider 213 moves up and approaches the top of the force storage chamber 209, the slider 213 can be pushed to the specified position through the attraction of the magnet. Even when it is pushed away from the piston 212, it can still be moved up to block the drain outlet 214 through the magnetic attraction. When the slider 213 moves down and approaches the bottom of the force storage chamber 209, the slider 213 can be accelerated to move down and break away from the blockage of the drain outlet 214 through the attraction of the magnet.

[0036] Furthermore, a piston rod is provided at the bottom of the slider 213, and an airtight groove cooperating with the piston rod is provided inside the force storage chamber 209, and the airtight groove is connected to the outside through an air hole. It should be noted that when the slider 213 moves downward, the piston rod cooperates with the airtight groove, and the piston rod slowly discharges the air inside the airtight groove through the air hole, thereby slowing down the speed at which the slider 213 moves downward under the action of the magnetic force, so that there is a certain buffer time in the process of the slider 213 being attracted and moved downward by the magnetic force, which can ensure that when the pressure of the connecting ring 211 is transmitted to the inside of various force storage chambers 209, each group of pistons 212 has sufficient time and power to push the slider 213 downward until it is completely attracted by the magnetic force and moves slowly downward. It is ensured that each group of sliders 213 can move downward so that the drain port 214 is connected to the force-bearing chamber 210, so as to avoid that during the downward movement of the sliders 213, due to the slight difference in the elastic coefficient of the spring connected to the piston 212 and the force storage chamber 209, the piston 212 pushes the slider 213 to move a certain difference. As a result, when the bottom magnets of some sliders 213 are attracted by the magnets corresponding to the force storage chamber 209, the distance between some sliders 213 and the bottom magnets of the slider 213 is not enough to generate enough magnetic force to move downward, so that the energy storage chamber 209 cannot be released, thereby causing the group of pistons 212 and the springs connected thereto to be unable to provide sufficient power, affecting the dynamic adjustment of the movable frame 201.

[0037] Reference Figure 7-10 The liquid spraying assembly includes a pipeline 1 217 and a pipeline 218 opened inside the grinding ring 208. The grinding ring 208 is rotatably connected to a driving ring 219 and a liquid spraying ring 221. The grinding ring 208 is fixedly installed with a fixed ring 220. A set of rotating shafts are arranged at the center of the driving ring 219. Blades are arranged on the side walls of the rotating shafts. The rotating shafts are also connected to the liquid spraying ring 221. A plurality of liquid spraying ports 222 are arranged inside the liquid spraying ring 221. The bottom of the pipeline 1 217 is connected to the inside of the driving ring 219, and the connecting area between the pipeline 1 217 and the driving ring 219 is located on the rotating shaft of the driving ring 219. On the one hand, the fixed ring 220 is located below the rotating shaft of the driving ring 219 and is provided with an arc groove, and the side of the spray ring 221 facing the fixed ring 220 is provided with an annular groove connected to each group of spray ports 222. It should be noted that since the part of the pipeline 217 connected to the driving ring 219 is eccentrically designed, when the water flows into the arc groove of the fixed ring 220 through the internal fan blades of the driving ring 219, it can drive the driving ring 219 to rotate, and then drive the spray ring 221 to rotate, so that the spray port 222 keeps rotating during the spraying process, which not only increases the spraying area but also reduces the spray blind area.

[0038] It should be noted that pipeline 218 and pipeline 1 217 are designed to be distributed in the vertical direction at one end close to the connecting pipe 216 , and the port of pipeline 218 is located below the port of pipeline 1 217 .

[0039] The processing technology of the integrated production and processing equipment for fine grinding and stirring of titanium dioxide raw materials includes the following steps: S1: adding titanium dioxide raw material and performing primary crushing and refinement through crushing roller 104; S2: Grinding the refined material by the lower grinding disc 203 and the upper grinding disc 204; S3: continuously stirring and mixing the ground slurry inside the stirring chamber 300 by the stirring blade 303; S4: filtering, washing and drying the product slurry to obtain a titanium dioxide product.

[0040] The workflow of the titanium dioxide raw material fine grinding and stirring processing integrated production and processing equipment and process is as follows: A bottom liquid higher than the liquid level of the stirring blades 303 is added to the stirring chamber 300, and then the titanium dioxide raw material is added through the feed port. The titanium dioxide raw material is crushed by the crushing roller 104, and the particle size becomes smaller, and enters the movable frame 201, and then enters the gap between the lower grinding disc 203 and the upper grinding disc 204. At the same time, the external liquid supply end continuously supplies liquid to the movable frame 201 through the discharge port 206 to mix with the titanium dioxide raw material to form a slurry, which is convenient for subsequent grinding.

[0041] Driven by the gear 103 at the output end of the motor 102, the grinding frame 202 is driven to rotate, and the titanium dioxide slurry entering the gap between the lower grinding disc 203 and the upper grinding disc 204 is ground. The slurry flows from the center of the lower grinding disc 203 to the edge of the lower grinding disc 203 along with grinding, and then enters the inside of the stirring chamber 300 through the annular groove 205. During this process, the gap between the lower grinding disc 203 and the upper grinding disc 204 gradually becomes smaller, and finally enters the annular groove 205 through the gap between the bottom of the grinding ring 208 and the lower grinding disc 203. During the rotation of the output shaft of the motor 102, the cam 401 rotates periodically to push the piston 3 402 to move and reset, and the liquid at the external liquid supply end is sucked and pumped into the inside of the connecting ring 211, and the connecting ring 211 is connected with each group of storage chambers 209. Thereby, the pump liquid in each group of force storage chambers 209 is pressurized at the same time, the piston 212 is pressurized, the piston 212 moves downward, and the spring at the bottom of the piston 212 is compressed. In the initial state, the top magnet of the slider 213 is attracted to the top magnet inside the force storage chamber 209, and the slider 213 blocks the drain port 214. The piston 212 moves downward until it contacts the slider 213 and drives the slider 213 to move downward. When the bottom magnet of the slider 213 approaches and attracts the bottom magnet of the force storage chamber 209, the slider 213 moves downward until it contacts the bottom of the force storage chamber 209 and is separated from the blockage of the drain port 214, so that the liquid in the force storage chamber 209 is pumped to the force receiving chamber 210 through the drain port 214 under the elastic force of the spring at the bottom of the piston 212. The piston 215 is pushed upward to push the movable frame 201 upward. When the movable frame 201 moves upward, the fixed ring 220 is exposed, and the liquid pressure inside the force-bearing chamber 210 is released into the pipeline 1 217 and the pipeline 2 218 through the connecting pipe 216. Since the pressure provided by the piston 1 212 in the initial state is sufficient, the movable frame 201 can be pushed to move up to the highest point through the piston 215. At this time, the upward movement of the movable frame 201 can block the pipeline 218, and the pressure liquid inside the force-bearing chamber 210 enters the pipeline 1 217, and then passes through the driving ring 219, the fixed ring 220 and the liquid injection ring 221, and is finally discharged through the liquid injection port 222. In this process, since the part connecting the pipeline 1 217 and the driving ring 219 is eccentrically designed, when the water flows When the fan blades inside the driving ring 219 enter the arc groove of the fixed ring 220, the driving ring 219 can be driven to rotate, and then the liquid spraying ring 221 can be driven to rotate, so that the liquid spraying port 222 keeps rotating during the liquid spraying process, which not only increases the spraying area, but also reduces the spraying blind area. In the process of grinding the titanium dioxide raw material, the storage chamber 209 can be continuously pumped and charged by the rotation of the cam 401. Through the cooperation of the storage chamber 209 and the force chamber 210, when the stored force reaches a certain level, the movable frame 201 can be lifted to change the distance between the lower grinding disc 203 and the upper grinding disc 204, and the grinding area of ​​the lower grinding disc 203 and the upper grinding disc 204 can be rotated and sprayed through the liquid spraying port 222. By periodically changing the contact state between the grinding medium and the material,The accompanying shower can promptly remove the fine powder and heat generated during the grinding process. The timely removal of fine powder reduces the hindrance of fine powder to further grinding of large particles. The suppression of heat prevents the change of material properties due to excessive local temperature and reduces the agglomeration of titanium dioxide, thereby improving the overall grinding efficiency and grinding quality.

[0042] It should be noted that, during this process, the grinding ring 208 remains fixed, and the gap with the lower grinding disc 203 remains unchanged, so as to prevent coarse particles from passing through and ensure the grinding quality.

[0043] When piston 212 moves up and resets under the action of the spring force at the bottom of piston 212 until it pushes slider 213, slider 213 moves up so that the magnet at the top of slider 213 is attracted to the magnet at the top of the inner side of the force storage chamber 209, thereby blocking the drain outlet 214. The above steps are repeated to achieve periodic lifting and flushing of the movable frame 201.

[0044] It should be noted that during the resetting process of piston 1 212 and force-bearing chamber 210, after the movable frame 201 is reset to block the liquid spraying port 222, the movable frame 201 also detaches from the blocking of pipeline 2 218, so that the liquid inside the force-bearing chamber 210 and the force storage chamber 209 is discharged through pipeline 2 218, flushing the annular groove 205 to avoid the adhesion of slurry after grinding.

[0045] The slurry entering the stirring chamber 300 drives the stirring shaft 301 to rotate through the grinding frame 202, and then drives the stirring blade 303 to rotate. While the stirring blade 303 rotates around the fixed shaft 302, the bevel gear transmission design that matches the end of the stirring blade 303 and the top of the fixed shaft 302 allows the stirring blade 303 to rotate around the fixed shaft 302 while keeping rotating, thereby continuously stirring the slurry inside the stirring chamber 300. In combination with the configuration and addition of additives according to the titanium dioxide grinding time and the total processing amount of the stirring chamber 300, the titanium dioxide slurry after multi-stage grinding can be continuously stirred. Compared with the powder-type particle product, the slurry-type product can be subsequently mixed with the additive through the fluidity and dispersibility of the liquid, which can not only improve the effect of combining the titanium dioxide particle product with the additive, but also avoid the sedimentation and agglomeration of the titanium dioxide particles after grinding through continuous mixing and stirring, thereby improving the overall quality of the product.

[0046] It should be noted that the slurry grinding method can achieve finer particle size control in a liquid environment. Through the spacing design of the lower grinding disc 203, the upper grinding disc 204 and the grinding ring 208, the passage of the final product can be limited to ensure the product particle size. At the same time, during the grinding process, the collision and crushing between the particles are more uniform. Compared with dry grinding methods such as Raymond mills and air flow mills, it is easier to obtain titanium dioxide products with narrow and uniform particle size distribution. At the same time, in the slurry environment, the titanium dioxide particles are surrounded by liquid media, which can disperse and isolate the particles. At the same time, the periodic spraying and cooling of the grinding part in conjunction with the spray component can effectively ensure the stability of the grinding environment. Compared with the dry grinding of Raymond mills and air flow mills, slurry grinding can effectively prevent the agglomeration of titanium dioxide particles during the grinding process. Because in dry grinding, due to the high surface energy of the particles, the particles are easily attracted to each other and agglomerated, and the dispersant and other components subsequently added to the slurry can inhibit this agglomeration, so that the ground titanium dioxide particles remain in a good dispersed state, which can effectively ensure the quality of the product.

[0047] It should be noted that the grinding gaps among the lower grinding disc 203 , the upper grinding disc 204 and the grinding ring 208 are relatively small, and the figure is only used to show the grinding arc design and is not used as the actual parameters for the final production and processing.

[0048] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A titanium dioxide raw material fine grinding and stirring processing integrated production and processing equipment, characterized in that: The production and processing equipment comprises a crushing bin (100), a fixed frame (200) and a stirring chamber (300); a motor (102) is arranged on the side wall of the crushing bin (100); a crushing roller (104) is arranged inside the crushing bin (100); a movable frame (201) is sleeved on the bottom of the crushing bin (100); a grinding frame (202) is rotatably connected to the top of the stirring chamber (300); a gear (103) is arranged at the output end of the motor (102) and is transmission-connected to the grinding frame (202); the grinding frame (202) is opened and closed. An annular groove (205) is provided which is in communication with the stirring chamber (300); a stirring shaft (301) is provided at the bottom of the grinding frame (202); a stirring blade (303) is rotatably connected to the side wall of the stirring shaft (301); a fixed shaft (302) rotatably connected to the stirring shaft (301) is provided at the bottom of the inner side of the stirring chamber (300); a bevel gear set is provided at the top of the fixed shaft (302) and at one end of the stirring blade (303) extending to the inside of the stirring shaft (301) for transmission connection; and the fixed frame (200) is further provided with: The grinding mechanism comprises an upper grinding disc (204) arranged at the bottom of a movable frame (201); a lower grinding disc (203) is arranged at the top of the grinding frame (202); a liquid discharge port (206) is arranged on the inner side wall of the crushing bin (100); a fixed frame (207) is fixedly connected to the inner side of the fixed frame (200); a grinding ring (208) is arranged at the top of the fixed frame (207); the grinding ring (208) is movably sleeved with the upper grinding disc (204); the bottom of the grinding ring (208) is matched with the lower grinding disc (203); a liquid spraying component is also arranged inside the grinding ring (208); and a driving component is arranged at the top of the fixed frame (207).

2. The titanium dioxide raw material fine grinding and stirring processing integrated production and processing equipment according to claim 1 is characterized in that: The top of the lower grinding disc (203), the bottom of the upper grinding disc (204) and the bottom of the grinding ring (208) are designed to match each other in an arc shape, and the gap between the upper grinding disc (204) and the lower grinding disc (203) gradually decreases from the center of the upper grinding disc (204) to the edge of the upper grinding disc (204).

3. The titanium dioxide raw material fine grinding and stirring processing integrated production and processing equipment according to claim 1 is characterized in that: The driving assembly comprises a plurality of groups of force storage chambers (209) arranged on the top of the fixed frame (207); a force receiving chamber (210) is arranged on the top of the force storage chamber (209); a connecting ring (211) is arranged on the side wall of the force receiving chamber (210); the connecting ring (211) is connected to the force storage chamber (209); a piston 1 (212) is sleeved inside the force storage chamber (209); a slider 1 (213) matching with the piston 1 (212) is sleeved on the inner side wall of the force storage chamber (209); and the side wall of the force storage chamber (209) A drainage port (214) matched with the slider 1 (213) is provided, and the drainage port (214) is connected to the bottom of the force-bearing chamber (210) through a group of pipes. The inside of the force-bearing chamber (210) is sleeved with a piston 2 (215), and the top of the piston 2 (215) is provided with a group of push rods connected to the movable frame (201). The bottom of the force-bearing chamber (210) is provided with a connecting pipe (216) connected to the grinding ring (208), and the fixed frame (200) is provided with a pump liquid component that provides power to the connecting ring (211).

4. The titanium dioxide raw material fine grinding and stirring processing integrated production and processing equipment according to claim 3 is characterized in that: The pump fluid assembly comprises a drive chamber (400) opened on the side wall of the fixing frame (200), a piston three (402) is sleeved inside the drive chamber (400), a cam (401) is sleeved on the output shaft of the motor (102), and the drive chamber (400) is connected to a connecting ring (211).

5. The titanium dioxide raw material fine grinding and stirring processing integrated production and processing equipment according to claim 3 is characterized in that: Magnets are arranged at the top and bottom of the slider one (213), and a magnet matching with the slider one (213) is arranged inside the force storage chamber (209).

6. The titanium dioxide raw material fine grinding and stirring processing integrated production and processing equipment according to claim 3 is characterized in that: A piston rod is provided at the bottom of the slider 1 (213), and an airtight groove matching the piston rod is provided inside the force storage chamber (209), and the airtight groove is connected to the outside through an air hole.

7. The titanium dioxide raw material fine grinding and stirring processing integrated production and processing equipment according to claim 3 is characterized in that: The liquid spraying assembly comprises a first pipeline (217) and a second pipeline (218) which are opened inside a grinding ring (208); a driving ring (219) and a liquid spraying ring (221) are rotatably connected inside the grinding ring (208); a fixing ring (220) is fixedly installed inside the grinding ring (208); a group of rotating shafts are arranged at the center of the driving ring (219); blades are arranged on the side walls of the rotating shafts; the rotating shafts are also connected to the liquid spraying ring (221); and a plurality of groups of liquid spraying ports (222) are arranged inside the liquid spraying ring (221).

8. The titanium dioxide raw material fine grinding and stirring processing integrated production and processing equipment according to claim 7, characterized in that: The second pipeline (218) and the first pipeline (217) are designed to be distributed in a vertical direction at one end close to the connecting pipe (216).

9. The processing technology based on the titanium dioxide raw material fine grinding and stirring processing integrated production and processing equipment according to claim 1 is characterized in that: The processing technology The following steps are involved: S1: adding titanium dioxide raw material and performing primary crushing and refining through a crushing roller (104); S2: grinding the refined material by the lower grinding disc (203) and the upper grinding disc (204); S3: continuously stirring and mixing the ground slurry inside the stirring chamber (300) by means of the stirring blade (303); S4: filtering, washing and drying the product slurry to obtain a titanium dioxide product.

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