Lightweight active calcium production stirring device

Abstract

The utility model discloses a light active calcium production stirring device, and particularly relates to a stirring device which comprises a stirring wheel which is divided into an upper conical cover and a lower conical cover according to the structure, a concave groove is formed between the upper conical cover and the lower conical cover, and a plurality of pulp plates arranged in a circumferential array are arranged in the concave groove; the upper conical impeller is rotationally arranged in the upper conical cover, and a preset distance is kept between the lower edge of the upper conical impeller and the section of a port of the upper conical cover; the lower conical impeller is rotationally arranged in the lower conical cover, and a preset distance is kept between the lower edge of the lower conical impeller and the section of the port of the upper conical cover. The stirring device is simple in structure, and a composite stirring system is formed by the stirring wheel, the upper conical impeller and the lower conical impeller, so that the stirring effect is optimized.

Description

Technical Field

[0001] The utility model relates to a stirring device, in particular to a stirring device for producing light activated calcium. Background Art

[0002] Light activated calcium (usually refers to light activated lime) is a high-purity calcium compound, which can be used in building materials, metallurgical industry, environmental protection field, agriculture. It is a well-known material and will not be described in detail.

[0003] The production of light activated calcium mainly involves the mixing and preparation of various materials. For its preparation method, refer to the publication (announcement) number: CN117963968A, publication (announcement) date: May 3, 2024, a production method of ultrafine activated light calcium carbonate, including the following steps: Step 1: Crush desulfurized gypsum to obtain gypsum powder with a predetermined particle size; Step 2: Add water and sulfuric acid to the gypsum powder and stir; Step 3: Add a modifier with a predetermined mass percentage to obtain a mixed slurry. The modifier includes a predetermined proportion of sodium dodecylbenzenesulfonate, dibutylene glycol, and polyvinylpyrrolidone. Heat and stir the mixed slurry; Step 4: Filter to obtain a precipitate; Step 5: Wash and dehydrate in a centrifuge; Step 6: Dry to obtain calcium carbonate crystals; Step 7: Put into a powder separator for powder selection and regrinding to obtain ultrafine activated light calcium carbonate. Thus, the present invention inhibits the defects and bad orientations of calcium carbonate crystals during the growth process through the modifier, improves the integrity and crystallinity of the crystals, and the prepared calcium carbonate crystals have a relatively large specific surface area.

[0004] In the prior art including the above patent, the stirring system is very important during the preparation process, and the reaction kettle is a conventional stirring and mixing device. The design of its stirring structure plays a crucial role in the mixing effect. How to optimize the structure to obtain a better stirring effect is expected to be well solved! Summary of the Utility Model

[0005] The purpose of the utility model is to provide a stirring device for producing light activated calcium to solve the above problems.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A stirring device for producing light activated calcium, comprising:

[0007] A stirring wheel, which is divided into an upper conical cover and a lower conical cover according to its structure, and a concave groove is formed between the upper conical cover and the lower conical cover. A plurality of slurry plates arranged in a circumferential array are provided in the concave groove;

[0008] An upper conical wave wheel, which is rotatably arranged in the upper conical cover, and the lower edge maintains a predetermined distance from the port cross-section of the upper conical cover;

[0009] A lower conical impeller is rotatably arranged within the lower conical cover, and its lower edge maintains a predetermined spacing from the port cross-section of the upper conical cover.

[0010] Preferably, the narrow ends of the upper conical cover and the lower conical cover are integrally connected.

[0011] Preferably, transverse slot holes arranged in a linear array are formed on the paddle board, and the lengths of the plurality of transverse slot holes are equal to the length of the upper conical cover.

[0012] Preferably, vertical slot holes arranged in a linear array are formed on the paddle board, and the lengths of the plurality of transverse slot holes are equal to the length of the lower conical cover.

[0013] Preferably, a transmission shaft is further included. The transmission shaft is used to drive the stirring wheel, the upper conical impeller, and the lower conical impeller to rotate simultaneously, and the rotation directions of the upper conical impeller and the lower conical impeller are opposite.

[0014] Preferably, a fixed shaft fixedly installed in the reaction kettle is further included. The stirring wheel, the upper conical impeller, and the lower conical impeller are all rotatably assembled on the fixed shaft, and the transmission shaft is rotatably arranged in the boring hole on the end face of the fixed shaft;

[0015] Rotatably arranged within the fixed shaft are:

[0016] A first gear that is meshed and connected to the transmission shaft and the upper conical impeller;

[0017] A second gear and a third gear that are meshed with each other, and one of them is meshed and connected to the transmission shaft / stirring wheel.

[0018] In the above technical solution, a stirring device for producing light activated calcium provided by the present utility model has the following beneficial effects: In the embodiment, the lower conical impeller is located at the bottom of the reaction kettle, while the stirring wheel and the upper conical impeller are arranged upward in sequence. When being driven to stir, the stirring wheel rotates to centrifugally throw the mixed liquid towards the outside of the center of the circle, and the upper conical impeller drives the liquid upward, that is, the centrifuged liquid is collected and enters the upper conical cover through the lower conical cover, and then is centrifugally scattered out of the upper conical cover by the upper conical impeller, thereby forming a mixed stirring system, thus greatly optimizing the stirring effect. Description of the Drawings

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present utility model, and those of ordinary skill in the art can also obtain other drawings based on these drawings.

[0020] Figure 1 It is a schematic diagram of the overall structure provided by the embodiment of the present utility model;

[0021] Figure 2 Schematic structural diagram of the upper conical impeller and the lower conical impeller provided by the embodiment of the present utility model;

[0022] Figure 3 Schematic cross-sectional structure diagram of the upper conical impeller, the lower conical impeller, the stirring impeller and the transmission shaft provided by the embodiment of the present utility model.

[0023] Explanation of reference numerals:

[0024] 1. Stirring impeller; 11. Upper conical cover; 12. Lower conical cover; 13. Concave groove; 2. Pulp plate; 21. Horizontal slot hole; 22. Vertical slot hole; 3. Upper conical impeller; 4. Lower conical impeller; 5. Transmission shaft; 6. Fixed shaft; 70. First gear; 71. Second gear; 72. Third gear. Detailed implementation manners

[0025] In order to enable those skilled in the art to better understand the technical solution of the present utility model, the present utility model will be further introduced in detail below with reference to the accompanying drawings.

[0026] As Figures 1-3 shown, a stirring device for producing light activated calcium includes:

[0027] A stirring impeller 1, which is divided into an upper conical cover 11 and a lower conical cover 12 according to its structure, and a concave groove 13 is formed between the upper conical cover 11 and the lower conical cover 12, and a plurality of pulp plates 2 arranged in a circumferential array are provided in the concave groove 13;

[0028] An upper conical impeller 3, which is rotatably arranged in the upper conical cover 11, and the lower edge thereof maintains a predetermined distance from the port section of the upper conical cover 11;

[0029] A lower conical impeller 4, which is rotatably arranged in the lower conical cover 12, and the lower edge thereof maintains a predetermined distance from the port section of the upper conical cover 11.

[0030] Specifically, the narrow ends of the upper conical cover 11 and the lower conical cover 12 are connected together. Therefore, the upper conical impeller 3 and the lower conical impeller 4 are arranged in the state as Figure 2 shown.

[0031] In the above technology, the lower conical impeller 4 in the embodiment is located at the bottom of the reaction kettle, while the stirring impeller 1 and the upper conical impeller 3 are arranged upward in sequence. When being driven to stir, the stirring impeller 1 rotates to centrifugally throw the mixed liquid outward from the center of the circle, and the upper conical impeller 3 drives the liquid upward, that is, the centrifuged liquid is collected and enters the upper conical cover 11 through the lower conical cover 12, and then is centrifugally thrown out of the upper conical cover 11 by the upper conical impeller 3, thereby forming a mixing and stirring system, thus greatly optimizing the stirring effect.

[0032] As a further embodiment provided by the present utility model, transverse slot holes 21 and vertical slot holes 22 arranged in a linear array are formed in the pulp board 2, and the lengths of the plurality of transverse slot holes 21 are equal to the length of the upper conical cover 11.

[0033] Specifically, in the embodiment, the stirring wheel 1 rotates to centrifugally move the mixed liquid toward the outside of the center of the circle, and the liquid will generate turbulent flow when passing through the transverse slot holes 21 and the vertical slot holes 22, thereby optimizing the stirring effect of the stirring wheel 1.

[0034] As the last embodiment further provided by the present utility model, it further includes a transmission shaft 5, and the transmission shaft 5 is used to drive the stirring wheel 1, the upper conical wave wheel 3 and the lower conical wave wheel 4 to rotate simultaneously, and the rotation directions of the upper conical wave wheel 3 and the lower conical wave wheel 4 are opposite.

[0035] Secondly, it further includes a fixed shaft 6 fixedly installed in the reaction kettle, so that the stirring wheel 1, the upper conical wave wheel 3 and the lower conical wave wheel 4 are all rotationally assembled on the fixed shaft 6, and the transmission shaft 5 is rotatably arranged in the boring hole at the end face of the fixed shaft 6;

[0036] Rotatably arranged in the fixed shaft 6 are:

[0037] A first gear 70, which is meshed and connected with the transmission shaft 5 and the upper conical wave wheel 3;

[0038] A second gear 71 and a third gear 72 that are meshed with each other, and one of the two is meshed and connected with the transmission shaft 5 / stirring wheel 1.

[0039] Specifically, in the embodiment, when the three-phase asynchronous motor of the reaction kettle drives the transmission shaft 5, it will drive the upper conical wave wheel 3 through the first gear 70, and then drive the stirring wheel 1 through the meshed second gear 71 and third gear 72, and the upper conical wave wheel 3 is also driven through the meshed second gear 71 and third gear 72, so the rotation directions of the stirring wheel 1 and the lower conical wave wheel 4 are opposite to that of the upper conical wave wheel 3, thereby realizing the technical purpose that the centrifuged liquid converges and enters the upper conical cover 11 through the lower conical cover 12, and then is centrifugally thrown out of the upper conical cover 11 by the upper conical wave wheel 3.

[0040] Only some exemplary embodiments of the present utility model are described by way of illustration above. Undoubtedly, for those of ordinary skill in the art, without departing from the spirit and scope of the present utility model, the described embodiments can be modified in various different ways. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the protection scope of the claims of the present utility model.

Claims

1. A stirring device for producing light active calcium, characterized in that, Including: A stirring wheel (1), which is structurally divided into an upper conical cover (11) and a lower conical cover (12), and a concave groove (13) is formed between the upper conical cover (11) and the lower conical cover (12). A plurality of paddle plates (2) arranged in a circumferential array are provided in the concave groove (13); An upper conical wave wheel (3), which is rotatably arranged in the upper conical cover (11), and the lower edge thereof maintains a predetermined distance from the port section of the upper conical cover (11); A lower conical wave wheel (4), which is rotatably arranged in the lower conical cover (12), and the lower edge thereof maintains a predetermined distance from the port section of the upper conical cover (11).

2. The stirring device for producing light activated calcium according to claim 1, characterized in that, The narrow ends of the upper conical cover (11) and the lower conical cover (12) are connected together.

3. The stirring device for producing light active calcium according to claim 1, characterized in that, Linear arrayed transverse slot holes (21) are formed in the paddle plate (2), and the lengths of the plurality of transverse slot holes (21) are equal to the length of the upper conical cover (11).

4. A stirring device for producing light activated calcium according to claim 3, characterized in that, Linear arrayed vertical slot holes (22) are formed in the paddle plate (2), and the lengths of the plurality of transverse slot holes (21) are equal to the length of the lower conical cover (12).

5. A stirring device for producing light activated calcium according to claim 3, characterized in that, It further includes a transmission shaft (5), which is used to drive the stirring wheel (1), the upper conical wave wheel (3) and the lower conical wave wheel (4) to rotate simultaneously, and the rotation directions of the upper conical wave wheel (3) and the lower conical wave wheel (4) are opposite.

6. The stirring device for producing light active calcium according to claim 3, characterized in that, It further includes a fixed shaft (6) fixedly installed in the reaction kettle. The stirring wheel (1), the upper conical wave wheel (3) and the lower conical wave wheel (4) are all rotatably assembled on the fixed shaft (6), and the transmission shaft (5) is rotatably arranged in the boring hole at the end face of the fixed shaft (6); Rotatably arranged in the fixed shaft (6) are: A first gear (70), which is meshed and connected with the transmission shaft (5) and the upper conical wave wheel (3); A second gear (71) and a third gear (72) that are meshed with each other, and one of them is meshed and connected with the transmission shaft (5) / the stirring wheel (1).

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