Material premixing and grinding production line

Abstract

The utility model relates to the technical field of material mixing and grinding, in particular to a material premixing and grinding production line. The material premixing and grinding production line comprises a material mixing system, a coarse grinding system, a storage system and a spraying system; the mixing system comprises an auxiliary material supply assembly, a liquid adding assembly and at least two mixing tanks; at least one set of material supply assembly is connected to the mixing tank; the auxiliary material supply assembly is respectively connected with each material mixing tank; the liquid adding assembly is respectively connected with each mixing tank; the coarse grinding system comprises a coarse grinding transfer tank and a first sand mill; the coarse grinding transfer tank is connected with the first sand mill to form a circulation loop; the coarse grinding transfer tank is connected with the mixing tank; the storage system comprises a finished product tank; the finished product tank is connected with the coarse grinding transfer tank; and the spraying system is respectively connected with the mixing tank, the coarse grinding transfer tank and the finished product tank. The utility model solves the problems that the existing mixing, grinding, deironing and filtering production line needs manual feeding, so that the labor force is wasted, and the processing efficiency is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of material mixing and grinding, in particular to a material premixing and grinding production line. Background Art

[0002] Mixing and grinding are two processes that are often involved in various production lines. The mixing process can mix various raw materials for subsequent production. Grinding is to grind and crush the raw materials to make the particle size of the raw materials smaller.

[0003] Referring to the utility model patent with publication number CN214051291U, it discloses a powder raw material mixing, grinding, iron removal and filtering production line, through which a variety of materials can be ground and mixed to form the required slurry; taking the invention patent with publication number CN112875671B as an example, a preparation method of a high-density lithium iron phosphate material and the lithium iron phosphate material prepared by the method are disclosed, material grinding is the main process for preparing lithium iron phosphate, and the iron source, lithium source, phosphorus source, carbon source and additives are mixed and ground by the above-mentioned mixing and grinding production system to obtain the first slurry and the second slurry required in the invention patent with publication number CN112875671B. Although the powder raw material mixing, grinding, iron removal and filtering production line can perform normal grinding work, it requires manual addition of materials such as iron source, lithium source, phosphorus source, carbon source, additives, etc., resulting in a waste of labor and reducing processing efficiency.

[0004] Therefore, it is necessary to provide a technical solution to solve the above problems. Utility Model Content

[0005] The utility model provides a material premixing and grinding production line, aiming to solve the problem that the existing material mixing, grinding, iron removal and filtering production line needs manual feeding, resulting in a waste of labor and reducing processing efficiency.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a material premixing and grinding production line, including a mixing system, a coarse grinding system, a storage system and a spraying system, wherein:

[0007] The mixing system comprises an auxiliary material supply assembly, a liquid addition assembly and at least two mixing tanks; each mixing tank is connected with at least one set of material supply assembly; the auxiliary material supply assembly is respectively connected with each mixing tank; the liquid addition assembly is respectively connected with each mixing tank;

[0008] The coarse grinding system comprises a coarse grinding transfer tank and a first sand mill; the coarse grinding transfer tank is connected to the first sand mill to form a circulation loop; the coarse grinding transfer tank is connected to the mixing tank;

[0009] The storage system includes a finished product tank; the finished product tank is connected to the coarse grinding transfer tank;

[0010] The spray system is connected to the mixing tank, the coarse grinding transfer tank and the finished product tank respectively.

[0011] More specifically, there are two mixing tanks; the auxiliary material feeding assembly includes a feeding device, a solid material metering tank and a dual-output screw extruder; the feeding device is connected to the solid material metering tank, the solid material metering tank is connected to the dual-output screw extruder, and the two output ends of the dual-output screw extruder are respectively connected to the two sets of the mixing tanks.

[0012] More specifically, the auxiliary material feeding assembly further includes a first iron remover; the first iron remover is installed between the feeding device and the solid material metering tank.

[0013] More specifically, the liquid adding assembly includes a liquid metering tank and a plurality of control valves; the liquid metering tank is connected to each of the mixing tanks respectively; and the plurality of control valves are installed between the liquid metering tank and each of the mixing tanks.

[0014] More specifically, a weighing module is provided on the mixing tank.

[0015] More specifically, at least one homogenizing pump is connected to the mixing tank, and a circulation loop is formed between the mixing tank and the homogenizing pump.

[0016] More specifically, at least two of the coarse grinding transfer tanks and the first sand mills are provided; the coarse grinding transfer tank is connected to each of the mixing tanks and to each of the first sand mills; the first sand mill is connected to each of the coarse grinding transfer tanks to form multiple circulation loops.

[0017] More specifically, a pressure sensor, a filter and a third iron remover which are connected in sequence are installed between the coarse grinding system and the storage system.

[0018] More specifically, the material premixing and grinding production line further includes a fine grinding system; the fine grinding system is connected to the coarse grinding system and the storage system respectively.

[0019] More specifically, the material premixing and grinding production line further includes a circulating cooling system, and the circulating cooling system is respectively connected to the mixing system, the coarse grinding system, the fine grinding system and the storage system.

[0020] The technical effects of a material premixing and grinding production line involved in the utility model are:

[0021] 1. The present application is provided with auxiliary material feeding components, liquid adding components and material feeding components, so as to realize automatic quantitative feeding of materials such as iron source, lithium source, phosphorus source, carbon source, additives, etc., thus eliminating the need for manual feeding and greatly improving production efficiency.

[0022] 2. In this application, a spray system connected to the mixing tank, the coarse grinding transfer tank and the finished product tank is provided. After completing a material mixing and grinding work, the spray system can be started to quickly clean the mixing tank, the coarse grinding transfer tank and the finished product tank, thereby reducing the difficulty of cleaning and improving the cleaning efficiency.

[0023] 3. In the present application, at least two mixing tanks are provided. Thus, when any mixing tank is performing mixing work, the auxiliary material feeding assembly, the liquid adding assembly and the material feeding assembly can add materials to other mixing tanks, thereby improving production efficiency. Secondly, when any mixing tank is damaged, only other mixing tanks can perform mixing work without stopping the production line, thereby improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a structural schematic diagram of a material premixing and grinding production line involved in the utility model;

[0025] Figure 2 for Figure 1 The enlarged schematic diagram of point A in the middle;

[0026] Figure 3 for Figure 1 A magnified schematic diagram of point B in the middle.

[0027] Markings in the figure:

[0028] 1—mixing system; 2—coarse grinding system; 3—storage system; 4—spraying system; 5—fine grinding system; 6—circulating cooling system;

[0029] 11—auxiliary material feeding assembly; 111—feeding device; 112—solid material metering tank; 113—double-output screw extruder; 12—liquid adding assembly; 121—liquid metering tank; 13—mixing tank; 14—material feeding assembly; 141—storage bin; 142—metering bin; 143—screw extruder; 15—homogenizing pump;

[0030] 21—coarse grinding transfer tank; 22—first sand mill; 23—pressure sensor; 24—third iron remover; 25—filter;

[0031] 31—Finished cans. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0033] It should be noted that when an element is referred to as being "fixed on" or "disposed on" another element, it may be directly on the other element or there may be a central element at the same time; when an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time.

[0034] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0035] In the description of the embodiments of the present invention, it should be understood that the directions or positional relationships indicated by “up”, “down”, “front”, “back”, “left”, “right”, “top”, “bottom”, “inside” and “outside”, etc., are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0036] In order to more clearly illustrate the technical solution of the utility model, a preferred embodiment is provided below. Figure 1 to Figure 3 , a material premixing and grinding production line, comprising a mixing system 1, a coarse grinding system 2, a storage system 3 and a spraying system 4, wherein:

[0037] The mixing system 1 comprises an auxiliary material supply component 11, a liquid addition component 12 and at least two mixing tanks 13; each mixing tank 13 is connected to at least one set of material supply components 14; the auxiliary material supply components 11 are respectively connected to each of the mixing tanks 13; the liquid addition components 12 are respectively connected to each of the mixing tanks 13;

[0038] The coarse grinding system 2 includes a coarse grinding transfer tank 21 and a first sand mill 22; the coarse grinding transfer tank 21 is connected to the first sand mill 22 to form a circulation loop; the coarse grinding transfer tank 21 is connected to the mixing tank 13;

[0039] The storage system 3 includes a finished product tank 31; the finished product tank 31 is connected to the coarse grinding transfer tank 21;

[0040] The spray system 4 is connected to the mixing tank 13 , the coarse grinding transfer tank 21 and the finished product tank 31 respectively.

[0041] It should be noted that the components and systems in the mixing system 1, the coarse grinding system 2, the storage system 3 and the spraying system 4 are connected by pipelines, which will not be described in detail here.

[0042] In this embodiment, through the design of the auxiliary material feeding component 11, the liquid addition component 12 and the material feeding component 14, automatic quantitative feeding of materials such as iron source, lithium source, phosphorus source, carbon source, additives, etc. is achieved, thus eliminating the need for manual feeding and greatly improving production efficiency.

[0043] Furthermore, in the present embodiment, a spray system 4 connected to the mixing tank 13, the coarse grinding transfer tank 21 and the finished product tank 31 is provided. After completing a material mixing and grinding operation, the spray system 4 can be started to quickly clean the mixing tank 13, the coarse grinding transfer tank 21 and the finished product tank 31, thereby reducing the difficulty of cleaning and improving the cleaning efficiency.

[0044] Furthermore, in the present embodiment, at least two mixing tanks 13 are provided, so that when any mixing tank 13 is performing mixing work, the auxiliary material supply component 11, the liquid addition component 12 and the material supply component 14 can add materials to other mixing tanks 13, thereby improving production efficiency. Secondly, when any mixing tank 13 is damaged, only other mixing tanks 13 can perform mixing work, without stopping the production line, thereby improving production efficiency.

[0045] As a preferred solution of this embodiment, the material feeding assembly 14 includes a storage bin 141, a metering bin 142 and a screw extruder 143; the metering bin 142 is connected to the storage bin 141; the screw extruder 143 is connected to the metering bin 142; the screw extruder 143 is connected to the mixing tank 13; a second iron remover is installed between the storage bin 141 and the metering bin 142. Specifically, the storage bin 141 feeds the metering bin 142 in batches. During this process, the second iron remover is used to filter out iron impurities in the material. The metering bin 142 quantitatively inputs auxiliary materials to the screw extruder 143 in a weight-loss metering manner, and the screw extruder 143 gradually pushes the auxiliary materials into the mixing tank 13.

[0046] As a preferred solution of this embodiment, two mixing tanks 13 are provided; the auxiliary material feeding assembly 11 includes a feeding device 111, a solid material metering tank 112 and a dual-output screw extruder 113; the feeding device 111 is connected to the solid material metering tank 112, the solid material metering tank 112 is connected to the dual-output screw extruder 113, and the two output ends of the dual-output screw extruder 113 are respectively connected to the two sets of the mixing tanks 13. In this embodiment, the feeding device 111 includes a feeding rack and a feeding station, the feeding rack can input the bagged auxiliary material into the feeding station, and then the auxiliary material is fed into the solid material metering tank 112 through the feeding station, and the solid material metering tank 112 quantitatively feeds the auxiliary material into the dual-output screw extruder 113, and the screw in the dual-output screw extruder 113 drives the auxiliary material to be output from different output ends through the change of forward and reverse rotation, so as to feed the two mixing tanks 13.

[0047] As a preferred solution of this embodiment, the auxiliary material feeding assembly 11 further includes a first iron remover; the first iron remover is installed between the feeding device 111 and the solid material metering tank 112. Specifically, the first iron remover can filter out iron impurities in the auxiliary material.

[0048] As a preferred solution of this embodiment, the liquid adding assembly 12 includes a liquid metering tank 121 and a plurality of control valves; the liquid metering tank 121 is respectively connected to each of the mixing tanks 13; and the plurality of control valves are installed between the liquid metering tank 121 and each of the mixing tanks 13. Specifically, the liquid metering tank 121 is used to quantitatively add liquid additives to the mixing tank 13, and the liquid metering tank 121 can be controlled to add liquid additives to any of the mixing tanks 13 by opening and closing the plurality of control valves.

[0049] As a preferred solution of this embodiment, a weighing module is provided on the mixing tank 13. Specifically, through the setting of the weighing module, the input amount of materials such as materials, auxiliary materials, liquid additives, etc. in the mixing tank 13 can be effectively detected, so as to accurately control the amount and improve the quality of the mixed slurry.

[0050] As a preferred solution of this embodiment, at least one homogenizing pump 15 is connected to the mixing tank 13, and a circulation loop is formed between the mixing tank 13 and the homogenizing pump 15. Through the cooperation of the homogenizing pump 15 and the mixing tank 13, the materials, auxiliary materials and liquid additives can be quickly mixed. Preferably, each mixing tank is connected to two homogenizing pumps, any of which is a standby device, which can avoid the failure of the homogenizing pump 15 and cause the mixing work to stop.

[0051] As a preferred solution of this embodiment, at least two of the rough grinding transfer tanks 21 and the first sand mills 22 are provided; the rough grinding transfer tanks 21 are connected to the mixing tanks 13 and the first sand mills 22; the first sand mills 22 are connected to the rough grinding transfer tanks 21 to form multiple circulation loops. The above design allows the rough grinding transfer tanks 21 and the first sand mills 22 to cooperate with each other, that is, when any of the rough grinding transfer tanks 21 or any of the first sand mills 22 fails, the other rough grinding transfer tanks 21 and the first sand mills 22 can work, thereby improving production efficiency without stopping the production line.

[0052] As a preferred solution of this embodiment, a pressure sensor 23, a filter 25 and a third iron remover 24 connected in sequence are installed between the mixing system 1 and the coarse grinding system 2. Specifically, the pressure sensor 23 can effectively detect whether the pipeline is leaking to ensure the normal transportation of the slurry, while the third iron remover 24 and the filter 25 are used to filter out iron impurities and large particles in the slurry to improve the purity of the slurry.

[0053] Preferably, a pressure sensor, a third iron remover and a filter are also provided between the coarse grinding system 2 and the storage system 3 .

[0054] As a preferred solution of this embodiment, the material premixing and grinding production line further includes a fine grinding system 5; the fine grinding system 5 is respectively connected to the coarse grinding system 2 and the storage system 3. The fine grinding system 5 can further grind the material in the slurry to meet different needs.

[0055] It should be noted that the specific structure of the fine grinding system 5 is substantially the same as that of the rough grinding system 2 , and the only difference is that the specifications of the first sand mill 22 are different, so it will not be described in detail here.

[0056] As a preferred solution of this embodiment, the material premixing and grinding production line further includes a circulating cooling system 6, which is respectively connected to the mixing system 1, the coarse grinding system 2, the fine grinding system 5 and the storage system 3. Specifically, the circulating cooling system 6 is used to introduce condensed water into each system to quickly cool down each component in each system to avoid damage to the machine.

[0057] The utility model relates to a material premixing and grinding production line, which solves the problem that the existing material mixing, grinding, iron removal and filtering production line needs manual feeding, resulting in a waste of labor and reducing processing efficiency through reasonable structural settings.

[0058] The above description is only a preferred embodiment of the present invention, and its structure is not limited to the shapes listed above. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A material premixing and grinding production line, characterized by: It includes mixing system, coarse grinding system, storage system and spraying system, among which: The mixing system comprises an auxiliary material supply assembly, a liquid addition assembly and at least two mixing tanks; each mixing tank is connected with at least one set of material supply assembly; the auxiliary material supply assembly is respectively connected with each mixing tank; the liquid addition assembly is respectively connected with each mixing tank; The coarse grinding system comprises a coarse grinding transfer tank and a first sand mill; the coarse grinding transfer tank is connected to the first sand mill to form a circulation loop; the coarse grinding transfer tank is connected to the mixing tank; The storage system includes a finished product tank; the finished product tank is connected to the coarse grinding transfer tank; The spray system is connected to the mixing tank, the coarse grinding transfer tank and the finished product tank respectively.

2. A material premixing and grinding production line according to claim 1, characterized in that: There are two mixing tanks; the auxiliary material feeding assembly includes a feeding device, a solid material metering tank and a dual-output screw extruder; the feeding device is connected to the solid material metering tank, the solid material metering tank is connected to the dual-output screw extruder, and the two output ends of the dual-output screw extruder are respectively connected to the two sets of the mixing tanks.

3. A material premixing and grinding production line according to claim 2, characterized in that: The auxiliary material feeding assembly also includes a first iron remover; the first iron remover is installed between the feeding device and the solid material metering tank.

4. The material premixing and grinding production line according to claim 1, characterized in that: The liquid adding assembly comprises a liquid metering tank and a plurality of control valves; the liquid metering tank is connected to each of the mixing tanks respectively; and the plurality of control valves are installed between the liquid metering tank and each of the mixing tanks.

5. The material premixing and grinding production line according to claim 1, characterized in that: The mixing tank is provided with a weighing module.

6. The material premixing and grinding production line according to claim 1, characterized in that: The mixing tank is connected to at least one homogenizing pump, and a circulation loop is formed between the mixing tank and the homogenizing pump.

7. The material premixing and grinding production line according to claim 1, characterized in that: There are at least two of the coarse grinding transfer tanks and the first sand mills; the coarse grinding transfer tank is connected to each of the mixing tanks and to each of the first sand mills; the first sand mill is connected to each of the coarse grinding transfer tanks to form multiple circulation loops.

8. The material premixing and grinding production line according to claim 1, characterized in that: A pressure sensor, a filter and a third iron remover which are connected in sequence are installed between the coarse grinding system and the storage system.

9. The material premixing and grinding production line according to claim 1, characterized in that: The material premixing and grinding production line also includes a fine grinding system; the fine grinding system is connected to the coarse grinding system and the storage system respectively.

10. A material premixing and grinding production line according to claim 9, characterized in that: The material premixing and grinding production line also includes a circulating cooling system, which is respectively connected to the mixing system, the coarse grinding system, the fine grinding system and the storage system.

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