Auxiliary device for surface modification of superfine ground calcium carbonate

Abstract

The surface modification auxiliary device comprises a stirring barrel, a supporting plate is fixedly connected to the bottom of the outer surface of the stirring barrel, a charging barrel is fixedly connected to the upper surface of the supporting plate, a suction pump is fixedly connected to the inner bottom wall of the charging barrel, and a conveying pipe is fixedly connected to the upper surface of the suction pump. According to the surface modification auxiliary device for the superfine heavy calcium carbonate, through the arrangement of a suction pump, a conveying pipe, a flow valve, a spray head and stirring blades, the conveying pipe pumps and conveys a modifier to a fixed pipe through the suction pump, and the flow valve senses the amount of the flowing modifier, so that the device is more accurate during modification feeding, and the effect of automatic and accurate batching is achieved; a modifier is uniformly sprayed into the stirring barrel through a plurality of spray heads at the bottom of the fixed pipe, and meanwhile, superfine heavy calcium carbonate and the modifier are more uniformly mixed through two groups of stirring blades, so that a lot of time required for stirring the mixture subsequently is effectively reduced, and the modification efficiency is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of calcium carbonate processing, in particular to a surface modification auxiliary device for ultrafine heavy calcium carbonate. Background Art

[0002] Ultrafine heavy calcium carbonate is a common powdered inorganic filler made by grinding natural carbonate minerals. In order to improve dispersibility, improve compatibility, reduce oil absorption and other properties and meet market demand, ultrafine heavy calcium carbonate needs to be surface modified.

[0003] After searching, Chinese Patent Publication (Announcement) No. CN216093331U discloses a surface modification device for ultrafine heavy calcium carbonate, comprising a processing table, two support plates fixedly connected to the top of the processing table, a modification barrel rotatably connected between the two support plates, a stirring gear fixedly sleeved on the outer wall of the modification barrel, a driving assembly for driving the modification barrel to rotate connected to the top of the processing table, and a hollow rod rotatably connected between the two sides of the inner wall of the modification barrel. In the utility model, when the connecting gear engages with the two connecting racks, the fixed sleeves and the moving rods on the two connecting racks are driven to move along the direction of the connecting plate. Since the fixed sleeve is installed with the scraper assembly, it is convenient to drive the scraper assembly on the fixed sleeve to move, so that the scraper assembly stirs the raw materials, so that the solvent evenly coats the heavy calcium carbonate, without the need for manual stirring, reducing the impact on the next process and improving the use effect.

[0004] Although the above patent does not require manual stirring, a large amount of solvent is directly added to the ultrafine heavy calcium carbonate raw material to mix and stir the mixture. This addition method requires a lot of time to stir and mix the mixture subsequently, resulting in a long time for the ultrafine heavy calcium carbonate and the solvent to be fully mixed, which affects the surface modification efficiency of the ultrafine heavy calcium carbonate. Therefore, it is necessary to design a surface modification auxiliary device for ultrafine heavy calcium carbonate to solve the above problems. Utility Model Content

[0005] The main purpose of the utility model is to provide a surface modification auxiliary device for ultrafine heavy calcium carbonate, which can effectively solve the problems in the background technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] The top surface of the mixing barrel is movably connected to the mixing barrel, and the bottom surface of the mixing barrel is fixedly connected to the supporting plate, the upper surface of the supporting plate is fixedly connected to the barrel, the inner bottom wall of the barrel is fixedly connected to the suction pump, the upper surface of the suction pump is fixedly connected to the delivery pipe, one side of the outer surface of the delivery pipe is fixedly connected to the flow valve, one end of the delivery pipe is fixedly connected to the fixed pipe, and the lower surface of the fixed pipe is fixedly connected to the spray head; the upper surface of the mixing barrel is movably connected to the top cover, one side of the upper surface of the top cover is fixedly connected to the motor, the output end of the motor is fixedly connected to the rotating rod, the outer surface of the rotating rod is fixedly connected to the gear, the outer surface of the gear is meshed with a gear ring, the outer surface of the gear ring is slidably connected to a guide block, the guide block is fixedly connected to the top cover, both sides of the lower surface of the gear ring are fixedly connected to the fixing rod, and the middle part of the outer surface of the fixed rod is fixedly connected to the stirring blade.

[0008] In order to facilitate the replenishment of materials, as a surface modification auxiliary device for ultrafine heavy calcium carbonate of the utility model, the middle part of the upper surface of the barrel is hinged with a cover plate through a hinge, and the front of the barrel is fixedly connected with a material level window.

[0009] In order to facilitate the fixing of the top cover, as a surface modification auxiliary device for ultrafine heavy calcium carbonate in the utility model, a sealing ring is fixedly connected to the edge of the inner top wall of the top cover, and the outer surfaces of the top cover and the mixing barrel are fixedly connected with connecting parts, and the internal threads of the connecting parts are connected with bolts.

[0010] In order to achieve the effect of avoiding material waste, as a surface modification auxiliary device of ultrafine heavy calcium carbonate in the utility model, both sides of the outer surface of the fixed rod are fixedly connected with connecting rods, and one end of the connecting rod is fixedly connected with a scraper.

[0011] In order to facilitate the drying of calcium carbonate, the utility model provides a surface modification auxiliary device for ultrafine heavy calcium carbonate. A support rod is fixedly connected to the bottom of the inner side of the mixing barrel, one end of the support rod is fixedly connected to a protective cover, and an electric heating tube is fixedly connected to the inside of the protective cover.

[0012] In order to achieve the effect of facilitating pressure relief, as a surface modification auxiliary device for ultrafine heavy calcium carbonate of the utility model, the other side of the upper surface of the top cover is fixedly connected to a cylinder seat, and the bottom of the outer surface of the cylinder seat is fixedly connected to a pressure relief pipe.

[0013] In order to achieve the effect of automatic pressure relief, as a surface modification auxiliary device for ultrafine heavy calcium carbonate in the utility model, the inner side surface of the cylinder seat is slidably connected to a piston plate, the upper surface of the piston plate is fixedly connected to a plug rod, and the outer surface of the plug rod is sleeved with a spring.

[0014] In order to facilitate discharge, as a surface modification auxiliary device for ultrafine heavy calcium carbonate of the utility model, a discharge pipe is fixedly connected to the middle of the lower surface of the mixing barrel, and a control valve is fixedly connected to the outer surface of the discharge pipe.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. In the utility model, through the arrangement of a suction pump, a delivery pipe, a flow valve, a nozzle and a stirring blade, the delivery pipe extracts the modifier through the suction pump and delivers it to the fixed pipe, and the flow valve senses the amount of the modifier flowing through, so that the device is more accurate in the modification and feeding, and achieves the effect of automatic and precise batching. The fixed pipe sprays the modifier evenly into the interior of the mixing barrel through multiple nozzles at the bottom. At the same time, the motor drives the rotating rod to rotate, so that the gear drives the gear ring to rotate inside the guide block, so that the stirring blades on the outer surface of the two sets of fixed rods mix the ultrafine heavy calcium carbonate and the modifier more evenly, thereby effectively reducing the subsequent need for a large amount of time to stir the mixture, and the modification efficiency is enhanced.

[0017] 2. In the utility model, through the arrangement of the scraper, electric heating tube, pressure relief tube, piston plate, spring and plug rod, the scraper rotates on the inner wall of the mixing barrel to scrape off the ultrafine heavy calcium carbonate powder on the inner wall of the mixing barrel, thereby avoiding waste of material and making later cleaning more convenient. Under the action of the electric heating tube, the ultrafine heavy calcium carbonate material can be heated more evenly, so that the ultrafine heavy calcium carbonate powder is dried and is not easy to agglomerate during the modification process. When the air pressure inside the mixing barrel is too high, the pressurized gas will squeeze the piston plate to move upward during expansion, so that the pressure relief tube is connected to the tube mouth of the cylinder seat to release the air pressure. After the air pressure inside the mixing barrel stabilizes, the piston plate loses the air pressure thrust, and then is pushed back by the reverse force of the spring to realize the automatic pressure relief function, or the plug rod can be manually moved to drive the piston plate to move up and down for pressure relief under the action of the plug rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the main structure of an embodiment of the utility model;

[0019] Figure 2 This is a schematic cross-sectional plan view of an embodiment of the present invention;

[0020] Figure 3 This is a schematic diagram of the internal structure of the barrel according to an embodiment of the present utility model;

[0021] Figure 4 This is a schematic diagram of the internal structure of a mixing barrel according to an embodiment of the present utility model;

[0022] Figure 5 This is a schematic diagram of the internal structure of the fixed tube according to an embodiment of the present utility model.

[0023] In the figure: 1. mixing barrel; 2. support plate; 3. barrel; 4. suction pump; 5. delivery pipe; 6. flow valve; 7. fixed pipe; 8. nozzle; 9. top cover; 10. motor; 11. rotating rod; 12. gear; 13. gear ring; 14. guide block; 15. fixed rod; 16. stirring blade; 17. cover plate; 18. material level window; 19. sealing ring; 20. connecting part; 21. bolt; 22. connecting rod; 23. scraper; 24. support rod; 25. protective cover; 26. electric heating tube; 27. barrel seat; 28. pressure relief pipe; 29. ​​piston plate; 30. plug rod; 31. spring; 32. discharge pipe; 33. control valve. DETAILED DESCRIPTION

[0024] 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.

[0025] Example

[0026] like Figure 1-5 As shown, a surface modification auxiliary device for ultrafine heavy calcium carbonate comprises a mixing barrel 1, the bottom of the outer surface of the mixing barrel 1 is fixedly connected to a support plate 2, the upper surface of the support plate 2 is fixedly connected to a barrel 3, the inner bottom wall of the barrel 3 is fixedly connected to a suction pump 4, the upper surface of the suction pump 4 is fixedly connected to a delivery pipe 5, one side of the outer surface of the delivery pipe 5 is fixedly connected to a flow valve 6, one end of the delivery pipe 5 is fixedly connected to a fixed pipe 7, and the lower surface of the fixed pipe 7 is fixedly connected to a nozzle 8; the upper surface of the mixing barrel 1 is movably connected to a top cover 9, one side of the upper surface of the top cover 9 is fixedly connected to a motor 10, the output end of the motor 10 is fixedly connected to a rotating rod 11, the outer surface of the rotating rod 11 is fixedly connected to a gear 12, the outer surface of the gear 12 is meshed with a gear ring 13, the outer surface of the gear ring 13 is slidably connected to a guide block 14, the guide block 14 is fixedly connected to the top cover 9, both sides of the lower surface of the gear ring 13 are fixedly connected to fixed rods 15, and the middle part of the outer surface of the fixed rod 15 is fixedly connected to a stirring blade 16.

[0027] When in use, through the arrangement of the suction pump 4, the delivery pipe 5, the flow valve 6, the nozzle 8 and the stirring blade 16, the support plate 2 is used to support the fixed barrel 3, and the interior of the barrel 3 stores the modifier for ultrafine heavy calcium carbonate modification. The delivery pipe 5 extracts the modifier through the suction pump 4 and delivers it to the fixed pipe 7. The flow valve 6 senses the amount of the modifier flowing through. When it reaches the preset value, the flow valve 6 controls the suction pump 4 to close automatically, making the device more accurate in the modification and feeding, achieving the effect of automatic and accurate batching, and improving the quality of the modification. The flow valve 6 is a commonly used electromagnetic valve with a microwave solid flowmeter structure. The structure is convenient for accurately controlling the amount of materials to be put into use according to the proportion. The fixed pipe 7 sprays the modifier evenly into the interior of the mixing barrel 1 through the multiple nozzles 8 at the bottom. At the same time, the motor 10 drives the rotating rod 11 to rotate, so that the gear 12 on its outer surface drives the ring gear 13 to rotate inside the guide block 14, so that the stirring blades 16 on the outer surfaces of the two groups of fixed rods 15 mix the ultrafine heavy calcium carbonate and the modifier more evenly, thereby effectively reducing the subsequent need for a large amount of time to stir the mixture, and the modification efficiency is enhanced. The guide block 14 supports the ring gear 13, so that its stability during rotation is effectively improved.

[0028] In this embodiment, a cover plate 17 is hingedly connected to the middle of the upper surface of the barrel 3 via a hinge, and a material level window 18 is fixedly connected to the front of the barrel 3 .

[0029] During specific use, through the setting of the cover 17 and the material level window 18, it is convenient for the staff to check the usage amount of the modifier inside the barrel 3 from the outside through the material level window 18, and it is convenient to open the cover 17 to adjust the material replenishment in time. When not in use, the cover 17 blocks the top opening of the barrel 3 to prevent external dust and impurities from entering.

[0030] In this embodiment, a sealing ring 19 is fixedly connected to the edge of the inner top wall of the top cover 9 , and a connecting piece 20 is fixedly connected to the outer surface of the top cover 9 and the mixing barrel 1 . The internal thread of the connecting piece 20 is connected with a bolt 21 .

[0031] During specific use, by setting the sealing ring 19, the sealing ring 19 has the same diameter as the inner wall of the mixing barrel 1, which increases the sealing performance of the device. The bolt 21 is threadedly connected to the inside of the two corresponding connecting parts 20, and the top cover 9 can be fixed to the upper surface of the mixing barrel 1 to prevent the top cover 9 from vibrating out when the device is running, thereby increasing the safety of the device.

[0032] In this embodiment, connecting rods 22 are fixedly connected to both sides of the outer surface of the fixing rod 15 , and a scraper 23 is fixedly connected to one end of the connecting rod 22 .

[0033] During specific use, through the setting of the scraper 23, when the fixed rod 15 rotates, driven by the connecting rod 22, the scraper 23 rotates on the inner wall of the mixing barrel 1, thereby scraping off the ultrafine heavy calcium carbonate powder on the inner wall of the mixing barrel 1, avoiding waste of materials and making later cleaning more convenient.

[0034] In this embodiment, a support rod 24 is fixedly connected to the bottom of the inner side of the mixing barrel 1 , a protective cover 25 is fixedly connected to one end of the support rod 24 , and an electric heating tube 26 is fixedly connected to the interior of the protective cover 25 .

[0035] During specific use, through the setting of the electric heating tube 26, the support rod 24 is used to support and fix the protective cover 25, and the protective cover 25 isolates the electric heating tube 26. Under the action of the electric heating tube 26, the ultrafine heavy calcium carbonate material can be heated more evenly, so that the ultrafine heavy calcium carbonate powder is dry and not easy to agglomerate during the modification process.

[0036] In this embodiment, a cylinder seat 27 is fixedly connected to the other side of the upper surface of the top cover 9 , and a pressure relief pipe 28 is fixedly connected to the bottom of the outer surface of the cylinder seat 27 .

[0037] During specific use, the pressure relief pipe 28 is provided and fixed to the outer surface of the cylinder seat 27 , so that the pressure can be relieved when the air pressure inside the mixing barrel 1 is too high, thereby ensuring the safety of the device.

[0038] In this embodiment, the inner side surface of the cylinder seat 27 is slidably connected to the piston plate 29 , the upper surface of the piston plate 29 is fixedly connected to the plug rod 30 , and the outer surface of the plug rod 30 is sleeved with a spring 31 .

[0039] During specific use, through the setting of spring 31, when the air pressure inside the mixing barrel 1 is too high, the pressurized gas will squeeze the piston plate 29 to move upward when it expands, so that the pressure relief pipe 28 is connected to the pipe mouth of the cylinder seat 27, and the air pressure is released. After the air pressure inside the mixing barrel 1 stabilizes, the piston plate 29 loses the air pressure thrust, and then is pushed back by the reverse force of the spring 31, automatically reset, and realize the automatic pressure relief function, or manually move the plug rod 30, and drive the piston plate 29 to move up and down under the action of the plug rod 30.

[0040] In this embodiment, a discharge pipe 32 is fixedly connected to the middle of the lower surface of the mixing barrel 1 , and a control valve 33 is fixedly connected to the outer surface of the discharge pipe 32 .

[0041] During specific use, by setting the discharge pipe 32 and the control valve 33, the control valve 33 can be used to control the opening and closing state of the discharge pipe 32, thereby discharging the modified ultrafine heavy calcium carbonate.

[0042] Working principle: During use, first pour the ultrafine heavy calcium carbonate to be modified into the interior of the mixing barrel 1, the bolt 21 is threadedly connected to the interior of the two corresponding connectors 20, and the top cover 9 is fixed to the upper surface of the mixing barrel 1. The interior of the barrel 3 stores the modifier for ultrafine heavy calcium carbonate modification, and the delivery pipe 5 extracts the modifier through the suction pump 4 and delivers it to the fixed pipe 7. The amount of the modifier flowing through is sensed by the flow valve 6. When it reaches the preset value, the flow valve 6 controls the suction pump 4 to close automatically, so that the device is more accurate in the modification and feeding. The fixed pipe 7 sprays the modifier evenly into the interior of the mixing barrel 1 through the multiple nozzles 8 at the bottom. At the same time, the motor 10 drives the rotating rod 11 to rotate, so that the gear 12 drives the gear ring 13 to rotate inside the guide block 14, so that the stirring blades 16 on the outer surface of the two sets of fixed rods 15 will spray the ultrafine heavy calcium carbonate. and the modifier are mixed more evenly, thereby effectively reducing the subsequent need for a large amount of time to stir the mixture. Driven by the connecting rod 22, the scraper 23 rotates on the inner wall of the mixing barrel 1 to scrape off the ultrafine heavy calcium carbonate powder on the inner wall of the mixing barrel 1 to avoid material waste. The electric heating tube 26 makes the ultrafine heavy calcium carbonate powder dry and not easy to agglomerate during the modification process. When the air pressure inside the mixing barrel 1 is too high, the pressurized gas will squeeze the piston plate 29 to move upward when it expands, so that the pressure relief pipe 28 is connected to the pipe mouth of the cylinder seat 27 to release the air pressure. After the air pressure inside the mixing barrel 1 stabilizes, the piston plate 29 loses the air pressure thrust, and then pushes back through the reverse force of the spring 31 to realize the automatic pressure relief function. The control valve 33 is used to control the opening and closing state of the pipe mouth of the discharge pipe 32 to discharge the modified ultrafine heavy calcium carbonate.

[0043] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A surface modification auxiliary device for ultrafine heavy calcium carbonate, comprising a stirring barrel (1), characterized in that: The bottom of the outer surface of the mixing barrel (1) is fixedly connected to a support plate (2), the upper surface of the support plate (2) is fixedly connected to a barrel (3), the inner bottom wall of the barrel (3) is fixedly connected to a suction pump (4), the upper surface of the suction pump (4) is fixedly connected to a delivery pipe (5), one side of the outer surface of the delivery pipe (5) is fixedly connected to a flow valve (6), one end of the delivery pipe (5) is fixedly connected to a fixed pipe (7), and the lower surface of the fixed pipe (7) is fixedly connected to a nozzle (8); The upper surface of the mixing barrel (1) is movably connected to a top cover (9), one side of the upper surface of the top cover (9) is fixedly connected to a motor (10), the output end of the motor (10) is fixedly connected to a rotating rod (11), the outer surface of the rotating rod (11) is fixedly connected to a gear (12), the outer surface of the gear (12) is meshingly connected to a gear ring (13), the outer surface of the gear ring (13) is slidably connected to a guide block (14), the guide block (14) is fixedly connected to the top cover (9), both sides of the lower surface of the gear ring (13) are fixedly connected to fixed rods (15), and the middle part of the outer surface of the fixed rod (15) is fixedly connected to a mixing blade (16).

2. The surface modification auxiliary device of ultrafine heavy calcium carbonate according to claim 1, characterized in that: A cover plate (17) is hingedly connected to the middle of the upper surface of the barrel (3) via a hinge, and a material level window (18) is fixedly connected to the front of the barrel (3).

3. The surface modification auxiliary device of ultrafine heavy calcium carbonate according to claim 1, characterized in that: A sealing ring (19) is fixedly connected to the edge of the inner top wall of the top cover (9), and a connecting piece (20) is fixedly connected to the outer surface of the top cover (9) and the mixing barrel (1), and a bolt (21) is connected to the inner thread of the connecting piece (20).

4. The surface modification auxiliary device of ultrafine heavy calcium carbonate according to claim 1, characterized in that: Both sides of the outer surface of the fixed rod (15) are fixedly connected to connecting rods (22), and one end of the connecting rod (22) is fixedly connected to a scraper (23).

5. The surface modification auxiliary device of ultrafine heavy calcium carbonate according to claim 1, characterized in that: A support rod (24) is fixedly connected to the bottom of the inner side of the mixing barrel (1), one end of the support rod (24) is fixedly connected to a protective cover (25), and the interior of the protective cover (25) is fixedly connected to an electric heating tube (26).

6. The surface modification auxiliary device of ultrafine heavy calcium carbonate according to claim 1, characterized in that: A cartridge seat (27) is fixedly connected to the other side of the upper surface of the top cover (9), and a pressure relief pipe (28) is fixedly connected to the bottom of the outer surface of the cartridge seat (27).

7. The surface modification auxiliary device of ultrafine heavy calcium carbonate according to claim 6, characterized in that: The inner side surface of the cylinder seat (27) is slidably connected to a piston plate (29), the upper surface of the piston plate (29) is fixedly connected to a plug rod (30), and the outer surface of the plug rod (30) is sleeved with a spring (31).

8. The surface modification auxiliary device of ultrafine heavy calcium carbonate according to claim 1, characterized in that: A discharge pipe (32) is fixedly connected to the middle of the lower surface of the mixing barrel (1), and a control valve (33) is fixedly connected to the outer surface of the discharge pipe (32).

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