Aging device for nano calcium carbonate production

Abstract

An aging device for nano calcium carbonate production comprises a main shell, an aging bin is arranged in the main shell, the bottom of the aging bin is fixed to a movable plate, a rotating rod is further arranged at the bottom in the main shell, and a protruding block is arranged at the top of one end of the rotating rod and makes contact with the outer edge of the bottom face of the movable plate; a base is arranged at the bottom of the main shell, a first motor is arranged in the base, and a driving shaft of the first motor penetrates into the main shell upwards and is fixedly connected with the midpoint of the bottom face of the rotating rod. By adopting the structure, not only can the aging efficiency be effectively improved, but also the uniformity and the stability of materials in the aging process can be ensured, meanwhile, the operation process is simplified, the energy consumption is reduced, and the device is very suitable for the requirements of industrial continuous production.

Description

TECHNICAL FIELD

[0001] The utility model relates to nanometer calcium carbonate production technical field, specifically is a kind of for the aging device of nanometer calcium carbonate production. BACKGROUND

[0002] As an important inorganic filler and functional material, nanometer calcium carbonate is widely used in plastic, rubber, paint, papermaking, ink and other industries. Its excellent performance such as high purity, small particle size and narrow distribution, large specific surface area, etc. makes nanometer calcium carbonate play an irreplaceable role in improving the mechanical properties, thermal stability and improving the processing performance of composite materials.

[0003] Aging is a key step in the production process of nanometer calcium carbonate. It refers to reducing the surface activity of newly prepared nanometer calcium carbonate particles and reducing the agglomeration tendency between particles through certain physical or chemical treatment methods, so as to obtain products with good dispersion. The traditional aging method usually adopts static aging, that is, the material is placed in a container for a period of time. This method has the problems of low aging efficiency, unstable product quality and the like.

[0004] In order to solve the above problems, some improvement measures are proposed in the prior art, such as using stirring device to increase the contact opportunity between material and reaction medium, or promoting the aging reaction by heating. However, these methods still have some shortcomings, such as complex equipment structure, inconvenient operation, high energy consumption and the like, which are difficult to meet the needs of industrialized large-scale production. SUMMARY

[0005] The technical problem to be solved by the utility model is to provide an aging device for nanometer calcium carbonate production, which aims to solve the problems of low aging efficiency and difficult product quality control in the prior art. It not only can effectively improve the aging efficiency, but also can ensure the uniformity and stability of the material during the aging process, simplify the operation process and reduce the energy consumption, which is very suitable for the needs of industrialized continuous production.

[0006] To solve the above technical problems, the utility model adopts the technical scheme of: an aging device for nanometer calcium carbonate production, comprising a main shell, a main shell inside is equipped with aging bin, aging bin bottom is fixed on movable plate, main shell inner bottom is also equipped with rotating rod, rotating rod one end top is equipped with protruding block, protruding block and movable plate bottom surface outer edge contact;

[0007] The bottom of the main shell is provided with a base, and the first motor is arranged in the base. The driving shaft of the first motor penetrates into the main shell upward and is connected and fixed with the midpoint of the bottom surface of the rotating rod.

[0008] In a preferred embodiment, multiple connecting rings are evenly distributed around the top surface of the movable plate, and connecting rings are also provided on the inner top surface of the main housing. The connecting rings on the inner top surface of the main housing correspond one-to-one with the connecting rings on the top surface of the movable plate and are connected by connecting ropes.

[0009] In a preferred embodiment, a heating module is provided on the outer wall of the aging chamber.

[0010] In a preferred embodiment, the main housing has an opening on one side and is provided with a door panel. The door panel is connected to the main housing by a hinge. The door panel is also provided with a magnetic block. A metal block that cooperates with the magnetic block is provided on one side of the opening surface of the main housing.

[0011] In a preferred embodiment, rollers are provided at the bottom of both ends of the rotating rod.

[0012] In a preferred embodiment, the aging chamber is further provided with a lifting plate, which has multiple through holes. A vertical lifting rod is fixed on the top surface of the lifting plate, and the upper end of the lifting rod passes through the sleeve on the top surface of the main housing and extends to the outside of the main housing.

[0013] The top of the main housing is equipped with a second motor, and the drive shaft of the second motor is equipped with an eccentric wheel. The upper end of the lifting rod located outside the main housing is equipped with an end hook, which is located above the eccentric wheel and overlaps and contacts the eccentric wheel.

[0014] The aging device for the production of nano-calcium carbonate provided by this utility model, by adopting the above-described structure, has the following beneficial effects:

[0015] (1) The combination of the movable plate, rotating rod and protrusion realizes the periodic lifting and lowering action at a single point on the edge of the aging chamber under the drive of the first motor, causing the material in the aging chamber to shake. This dynamic aging method effectively breaks the agglomeration between material particles and increases the contact opportunity between the material and the reaction medium, thereby greatly improving the aging efficiency.

[0016] (2) The combination of the lifting plate with the second motor and the eccentric wheel system enables the material to flow between the upper and lower layers during the aging process, avoiding the problems of slow heat conduction speed and uneven temperature between the upper and lower layers, and at the same time avoiding the agglomeration and precipitation of calcium carbonate. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0018] Fig. 1 This is a schematic diagram of the overall structure of this utility model.

[0019] Fig. 2 This is a schematic diagram of the aging chamber structure of this utility model.

[0020] In the diagram: Main housing 1, base 2, aging chamber 3, heating module 301, movable plate 4, rotating rod 5, protrusion 6, roller 7, first motor 8, connecting ring 9, connecting rope 10, lifting plate 11, through hole 12, lifting rod 13, end hook 131, sleeve 14, second motor 15, eccentric wheel 151, door panel 16, magnetic block 17, metal block 18. Detailed Implementation

[0021] like Figs. 1-2 In the present invention, an aging device for the production of nano-calcium carbonate includes a main shell 1, an aging chamber 3 inside the main shell 1, the bottom of the aging chamber 3 being fixed on a movable plate 4, and a rotating rod 5 being provided on the bottom of the main shell 1. A protrusion 6 is provided at the top of one end of the rotating rod 5, and the protrusion 6 is in contact with the outer edge of the bottom surface of the movable plate 4.

[0022] The main housing 1 has a base 2 at its bottom, and a first motor 8 is installed inside the base 2. The drive axis of the first motor 8 passes upward into the main housing 1 and is connected and fixed to the midpoint of the bottom surface of the rotating rod 5.

[0023] In a preferred embodiment, multiple connecting rings 9 are evenly distributed around the top surface of the movable plate 4, and connecting rings 9 are also provided on the inner top surface of the main housing 1. The connecting rings 9 on the inner top surface of the main housing 1 correspond one-to-one with the connecting rings 9 on the top surface of the movable plate 4 and are connected by connecting ropes 10.

[0024] In a preferred embodiment, a heating module 301 is provided on the outer wall of the aging chamber 3.

[0025] In a preferred embodiment, the main housing 1 has an opening on one side and is provided with a door panel 16. The door panel 16 is connected to the main housing 1 by a hinge. The door panel 16 is also provided with a magnetic block 17. The main housing 1 has a metal block 18 on one side of the opening that cooperates with the magnetic block 17.

[0026] In a preferred embodiment, rollers 7 are provided at the bottom of both ends of the rotating rod 5.

[0027] In a preferred embodiment, the aging chamber 3 is further provided with a lifting plate 11, which has multiple through holes 12. A vertical lifting rod 13 is fixed on the top surface of the lifting plate 11. The upper end of the lifting rod 13 passes through the sleeve 14 on the top surface of the main housing 1 and extends to the outside of the main housing 1.

[0028] The top of the main housing 1 is provided with a second motor 15, and the drive shaft of the second motor 15 is provided with an eccentric wheel 151. The upper end of the lifting rod 13 located outside the main housing 1 is provided with an end hook 131, which is located above the eccentric wheel 151 and overlaps and contacts the eccentric wheel 151.

[0029] The present invention discloses an aging device for the production of nano-calcium carbonate, wherein the following steps are taken during the aging process of nano-calcium carbonate:

[0030] Select high-purity calcium sources (such as calcium chloride CaCl2) and carbonate sources (such as sodium carbonate Na2CO3) to ensure their purity reaches over 99%. Prepare calcium salt solutions and carbonate solutions of appropriate concentrations separately, ensuring that both are fully dissolved and clear before mixing.

[0031] Raw materials are added into aging chamber 3, and the temperature of the mixed solution in aging chamber 3 is controlled by heating module 301.

[0032] Start the first motor 8 to make the rotating rod 5 rotate and rely on the protrusion 6 to make the aging chamber 3 shake slightly, so that the solution is mixed evenly and calcium carbonate is prevented from agglomerating and precipitating.

[0033] At the same time, the second motor 15 is started, causing the lifting rod 13 to drive the lifting plate 11 to move up and down reciprocally. During this process, the upper and lower layers of solution exchange, which allows the temperature between the upper and lower layers of solution to spread rapidly, avoiding local temperatures that are too low or too high and affect crystal growth.

[0034] After the aging process is completed, open door panel 16 and remove the aging chamber to recycle the materials.

Claims

1. An aging device for the production of nano-calcium carbonate, characterized in that: Includes a main shell (1), inside which is an aging chamber (3), the bottom of which is fixed on a movable plate (4), and a rotating rod (5) is also provided on the bottom of the main shell (1). A protrusion (6) is provided at the top of one end of the rotating rod (5), and the protrusion (6) contacts the outer edge of the bottom surface of the movable plate (4). The main housing (1) has a base (2) at the bottom, and a first motor (8) is provided inside the base (2). The drive axis of the first motor (8) passes upward into the main housing (1) and is connected and fixed to the midpoint of the bottom surface of the rotating rod (5).

2. An aging device for the production of nano-calcium carbonate according to claim 1, characterized in that: Multiple connecting rings (9) are evenly distributed around the top surface of the movable plate (4), and connecting rings (9) are also provided on the inner top surface of the main shell (1). The connecting rings (9) on the inner top surface of the main shell (1) correspond one-to-one with the connecting rings (9) on the top surface of the movable plate (4) and are connected by connecting ropes (10).

3. An aging device for the production of nano-calcium carbonate according to claim 1, characterized in that: The aging chamber (3) is provided with a heating module (301) on its outer wall.

4. An aging device for the production of nano-calcium carbonate according to claim 1, characterized in that: The main housing (1) has an opening on one side and is provided with a door panel (16). The door panel (16) is connected to the main housing (1) by a hinge. The door panel (16) is also provided with a magnetic block (17). The main housing (1) has a metal block (18) that cooperates with the magnetic block (17) on one side of the opening surface.

5. An aging device for the production of nano-calcium carbonate according to claim 1, characterized in that: Rollers (7) are provided at the bottom of both ends of the rotating rod (5).

6. An aging device for the production of nano-calcium carbonate according to claim 1, characterized in that: The aging chamber (3) is also equipped with a lifting plate (11), which has multiple through holes (12). A vertical lifting rod (13) is fixed on the top surface of the lifting plate (11). The upper end of the lifting rod (13) passes through the sleeve (14) on the top surface of the main housing (1) and extends to the outside of the main housing (1). The top of the main housing (1) is equipped with a second motor (15), and the drive shaft of the second motor (15) is equipped with an eccentric wheel (151). The upper end of the lifting rod (13) located outside the main housing (1) is equipped with an end hook (131). The end hook (131) is located above the eccentric wheel (151) and overlaps and contacts the eccentric wheel (151).

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