Anode carbon block mixing and kneading system and anode carbon block production line

Abstract

The utility model provides an anode carbon block mixing and kneading system which comprises a plurality of batching bins, a plurality of material batching scales, a conveying device, an asphalt batching scale and a mixing and kneading device, the batching bins are respectively a stone coke oil material bin, a residual anode material batching bin, a raw crushed material batching bin and a dust collecting powder batching bin, and each batching bin is provided with a control switch. The control switch is used for opening or closing a discharge port of each batching bin, the material batching scales are arranged below the batching bins respectively, every two adjacent material batching scales are arranged at intervals, the conveying device is arranged below the material batching scales, and the conveying device is used for conveying materials stored in the batching bins into the mixing and kneading device; and the asphalt batching scale is communicated with the mixing and kneading device. The anode carbon block kneading system disclosed by the utility model can solve the problem of dispersed operation in the prior art, improve the production efficiency and the stability of the anode carbon block, and realize automatic production of anode carbon block kneading. The utility model further relates to an anode carbon block production line.

Description

Technical Field

[0001] The utility model relates to the technical field of anode carbon block forming, in particular to an anode carbon block kneading system and an anode carbon block production line. Background Art

[0002] The production of anode carbon blocks is made of petroleum coke as raw material and coal tar as binder, and is processed and manufactured through processes such as petroleum coke calcination, medium crushing, screening, fine crushing, melting of asphalt, batching, kneading, molding, and roasting. In the production process of electrolytic aluminum anode carbon blocks, kneading process is a relatively important link. In the carbon production process, the process of stirring, mixing, and kneading various carbon particles and binders at a certain temperature to obtain a uniform plastic paste is called kneading. Kneading is mostly completed in a kneading machine, but the kneading process is not simply completed by a kneading machine. Especially in the process of industrial production, various raw materials need to be configured and added. The design of production batching-kneading-molding equipment is relatively scattered, the plant occupies a large area, and the operation process is discontinuous. The material connection and transportation between them are completed by auxiliary equipment such as transition hoppers, crane hoisting or trolley transportation. Therefore, the production process equipment operation link needs personnel to operate on the production site, the labor productivity is low, and the product quality is greatly affected by the quality of the on-site operators, which is difficult to meet the needs of industrial mass production. Utility Model Content

[0003] In view of this, the purpose of the utility model is to provide an anode carbon block kneading system, which can solve the problem of scattered operations in the prior art, improve the production efficiency and stability of anode carbon blocks, and realize the automated production of anode carbon block kneading.

[0004] The utility model provides an anode carbon block kneading system, comprising a plurality of batching bins, a plurality of material batching scales, a conveying device, an asphalt batching scale and a kneading device, wherein each of the batching bins is a tar material bin, a residual electrode material bin, a raw crushed material bin and a dust powder batching bin, and each of the batching bins is provided with a control switch, and the control switch is used to open or close the discharge port of the batching bin, and each of the material batching scales is respectively arranged below each of the batching bins, and an interval is arranged between two adjacent material batching scales, and the conveying device is arranged below each of the material batching scales, and the conveying device is used to convey the material stored in each of the batching bins to the kneading device, and the asphalt batching scale is connected to the kneading device.

[0005] In one embodiment, the tar silo includes a first powder batching bin, a second powder batching bin, a coarse material batching bin, a medium material batching bin and a first fine material batching bin which are arranged in sequence, and the conveying device includes a first screw conveyor, and the extension direction of the first screw conveyor is consistent with the setting direction of the tar silo, and the materials in the first powder batching bin, the second powder batching bin, the coarse material batching bin, the medium material batching bin and the first fine material batching bin are conveyed by the first screw conveyor.

[0006] In one embodiment, the tar silo also includes a second fine material batching bin, the residual material batching bin includes a coarse residual batching bin and a fine residual batching bin, and the conveying device also includes a second screw conveyor, which is used to convey materials from the second fine material batching bin, the coarse residual batching bin, the fine residual batching bin, the raw crushed material batching bin and the dust powder batching bin.

[0007] In one embodiment, the kneading device includes at least two double-layer kneaders, and the anode carbon block kneading system is provided with at least one three-way distributor, the three-way distributor includes a first connection port, a second connection port and a third connection port, the first screw conveyor and the second screw conveyor are respectively connected to the first connection port, the second connection port is connected to the one double-layer kneader, and the third connection port is connected to the other double-layer kneader.

[0008] In one embodiment, four double-layer kneaders are provided and two three-way distributors are provided.

[0009] In one embodiment, the double-layer kneader includes a preheating pot and a kneading pot connected to each other, the kneading pot is arranged below the preheating pot, the three-way distributor is connected to the preheating pot, the preheating pot is used to preheat the material, and the asphalt batching scale is connected to the kneading pot.

[0010] In one embodiment, the number of the asphalt batching scales is less than or equal to the number of the double-layer kneaders, and each of the asphalt batching scales is connected to at least one kneading pot.

[0011] In one embodiment, the anode carbon block kneading system also includes an asphalt high-level tank, the asphalt batching scale is arranged below the asphalt high-level tank, and an asphalt two-way valve is provided between the asphalt high-level tank and the asphalt batching scale, and the asphalt two-way valve is used to control the liquid output of the asphalt high-level tank.

[0012] In one embodiment, the anode carbon block kneading system further comprises a scale conveyor, which is arranged below the kneading device and is used to convey the kneaded material to the vibration forming machine.

[0013] The utility model also relates to an anode carbon block production line, comprising a petroleum coke screening system, a residual anode crushing screening system, a molding cooling system and the above-mentioned anode carbon block kneading system, the petroleum coke screening system and the residual anode crushing screening system are respectively connected to the anode carbon block kneading system, the materials screened by the petroleum coke screening system and the residual anode crushing screening system enter into each of the batching bins respectively, and the anode carbon block kneading system is connected to the molding cooling system.

[0014] The anode carbon block kneading system of the utility model is provided with a plurality of batching bins, each batching bin is a tar material bin, a residual electrode material bin, a raw crushed material bin and a dust powder batching bin, and the materials in each batching bin are kneaded to achieve the purpose of recycling and utilization. Each batching bin is respectively provided with an adjustment switch and a material batching scale, and the discharge port of the batching bin can be opened or closed at any time by the adjustment switch, and the required amount of each material can be designed and weighed by the material batching scale, so that the whole process of material batching, weighing, conveying and kneading molding can be realized in automated production, with high integration, reduced labor and improved efficiency of anode carbon block molding. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, 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 utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a schematic diagram of the anode carbon block production line of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the anode carbon block kneading system of the utility model;

[0018] Description of the reference numerals: first pipeline 101; second pipeline 102; batching bin 11; tar bunker 111; first powder batching bin 1111; second powder batching bin 1112; coarse batching bin 1113; medium batching bin 1114; first fine batching bin 1115; second fine batching bin 1116; residual material batching bin 112; coarse residual batching bin 1121; fine residual batching bin 1122; raw material batching bin 1113; raw material batching bin 1114; first fine material batching bin 1115; second fine material batching bin 1116; residual material batching bin 112; coarse residual batching bin 1121; fine residual batching bin 1122; raw material batching bin 1113; raw material batching bin 1114; raw material batching bin 1115; second fine material batching bin 1116; raw material batching bin 112; raw material batching bin 1121; raw material batching bin 1122; raw material batching bin 1113 ...3; raw material batching bin 1113; raw material batching bin 1113; raw material batching bin 1113; raw material batching bin 1113; raw material batching bin 1113; raw material batching bin 1113; raw material batching bin 1113; raw material batching bin 1113; raw material batching bin Crushed material batching bin-113; dust powder batching bin-114; material batching scale-12; conveying device-13; first screw conveyor-131; second screw conveyor-132; asphalt batching scale-14; kneading device-15; preheating pot-151; kneading pot-152; control switch-161; control valve-162; three-way distributor-17; asphalt high-level tank-181; asphalt two-way valve-182; scale conveyor-19.

[0019] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0020] The following will describe in detail a specific embodiment of the utility model in conjunction with the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the description of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In the description of the present utility model, unless otherwise clearly specified and limited, the terms "set", "install", "connection" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0022] The directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of description and simplified description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the utility model.

[0023] The terms "first", "second", "third" and the like are merely used to distinguish elements of similar nature, and do not indicate or imply relative importance or a particular order.

[0024] The terms "comprises," "comprising," or any other variations thereof, are intended to cover a non-exclusive inclusion of the elements listed and may also include additional elements not expressly listed.

[0025] like Figure 1 and Figure 2 As shown, the anode carbon block production line includes a petroleum coke screening system, a residual anode crushing screening system, a molding cooling system and an anode carbon block kneading system. The petroleum coke screening system and the residual anode crushing screening system are respectively connected to the anode carbon block kneading system. The materials screened by the petroleum coke screening system and the residual anode crushing screening system enter into each batching bin 11 respectively, and the anode carbon block kneading system is connected to the molding cooling system. The anode carbon block kneading system includes multiple batching bins 11, multiple material batching scales 12, a conveying device 13, an asphalt batching scale 14 and a kneading device 15. The batching bins 11 are respectively a tar batching bin 111, a residual electrode batching bin 112, a raw crushed material batching bin 113 and a dust collecting powder batching bin 114. The tar batching bin 111 is mainly used to store petroleum coke materials with different particle sizes. The residual electrode materials in the residual electrode batching bin 112 refer to the remaining materials of the finished anode carbon blocks. The residual electrodes mainly refer to the remaining materials of the anode carbon blocks that are left over or damaged. The materials in the raw crushed material batching bin 113 are defective or residual products that have not been roasted after the anode carbon blocks are formed, which are called raw materials. The dust collecting powder batching bin 114 contains dust collected by the dust collector in the grinding system, which is mainly It is a dust material of various materials in the screening system of mixed petroleum coke, wherein the grinding system is to put a part of the coarse material (material particle size is 6mm~12mm) into the petroleum coke silo 111 after the screening system of the petroleum coke is screened, and the other part of the coarse material is ground; each batching bin 11 is respectively provided with a control switch 161, and the control switch 161 is used to open or close the discharge port of the batching bin 11, and each material batching scale is respectively arranged under each batching bin 11, and the adjacent two material batching scales 12 are arranged at intervals, and the conveying device 13 is arranged under each material batching scale 12, and the conveying device 13 is used to transport the materials stored in each batching bin 11 to the kneading device 15, and the asphalt batching scale 14 is connected to the kneading device 15. In this embodiment, the control switch 161 can control the discharge amount of the batching bin 11. When the control switch 161 is a manual plug valve, the manual plug valve can only open or close the discharge port of the batching bin 11, and cannot control the discharge amount of the batching bin 11; when the control switch 161 is an electric switch, the control switch 161 can not only open or close the discharge port of the batching bin 11, but also a detection sensor is provided at the bottom of each batching bin 11, and the detection sensor is arranged corresponding to the material batching scale 12. When the detection sensor detects that the weight of the material on the material batching scale 12 is insufficient, the detection sensor transmits a signal to the control switch 161, wherein a microprocessor is provided in the control switch 161 for analyzing and processing the signal detected by the detection sensor, and enabling the control switch 161 to automatically open the discharge port and release the material.

[0026] The anode carbon block kneading system of the utility model is provided with a plurality of batching bins 11, each batching bin 11 is respectively a tar material bin 111, a residual electrode material bin 112, a raw crushed material bin 113 and a dust powder bin 114. The materials in each batching bin 11 are kneaded to achieve the purpose of recycling. Each batching bin 11 is respectively provided with an adjustment switch and a material batching scale. The discharge port of the batching bin 11 can be opened or closed at any time by the adjustment switch. The required amount of each material can be designed and weighed by the material batching scale 12, so that the entire process of material batching, weighing, conveying and kneading molding can be automated, with high integration, reduced labor and improved efficiency of anode carbon block molding.

[0027] like Figure 2 As shown, the tar silo 111 includes a first powder batching bin 1111, a second powder batching bin 1112, a coarse material batching bin 1113, a medium material batching bin 1114 and a first fine material batching bin 1115 which are arranged in sequence, and the conveying device 13 includes a first screw conveyor 131. The extension direction of the first screw conveyor 131 is consistent with the setting direction of the tar silo 111. The materials in the first powder batching bin 1111, the second powder batching bin 1112, the coarse material batching bin 1113, the medium material batching bin 1114 and the first fine material batching bin 1115 are conveyed by the first screw conveyor 131, wherein the length of the first screw conveyor 131 is 10 meters to 20 meters, preferably 10 meters, 15.5 meters or 20 meters, etc., but is not limited to this.

[0028] like Figure 2 As shown, the tar silo 111 also includes a second fine material batching bin 1116, the residual material batching bin 112 includes a coarse residual batching bin 1121 and a fine residual batching bin 1122, and the conveying device 13 also includes a second screw conveyor 132. The second screw conveyor 132 is used to convey materials from the second fine material batching bin 1116, the coarse residual batching bin 1121, the fine residual batching bin 1122, the raw crushed material batching bin 113 and the dust powder batching bin 114, wherein the length of the second screw conveyor 132 is 10 meters to 20 meters, preferably 10 meters, 15.5 meters or 20 meters, etc., but is not limited thereto.

[0029] Preferably, the kneading device 15 includes at least two double-layer kneaders, and the anode carbon block kneading system is provided with at least one three-way distributor 17, the three-way distributor 17 includes a first connection port, a second connection port and a third connection port, the first screw conveyor 131 and the second screw conveyor 132 are respectively connected to the first connection port, the second connection port is connected to a double-layer kneader, and the third connection port is connected to another double-layer kneader. In this embodiment, four double-layer kneaders are provided, and two three-way distributors 17 are provided; the first screw conveyor 131 and the second screw conveyor 132 are connected to the three-way distributors 17 through pipelines, for example, two three-way distributors 17 are provided, namely the first distributor and the second distributor, and the pipelines are the first pipeline 101 and the second pipeline 102, respectively. The first screw conveyor 131 and the second screw conveyor 132 are connected to the first distributor through the first pipeline 101, and the first screw conveyor 131 and the second screw conveyor 132 are connected to the second distributor through the second pipeline 102; a control valve 162 is provided on each pipeline for controlling the material transported to the three-way distributor by the conveying device 13.

[0030] Preferably, the double-layer kneader includes a preheating pot 151 and a kneading pot 152 which are connected to each other. The kneading pot 152 is arranged below the preheating pot 151. The three-way distributor 17 is connected to the preheating pot 151. The preheating pot 151 is used to preheat the material. The asphalt batching scale 14 is connected to the kneading pot 152.

[0031] Preferably, the number of asphalt batching scales 14 is less than or equal to the number of double-layer kneaders, and each asphalt batching scale 14 is connected to at least one kneading pot 152; in this embodiment, one asphalt batching scale 14 is connected to two double-layer kneaders.

[0032] Preferably, the anode carbon block kneading system further includes an asphalt high-level tank 181, which temporarily stores liquid asphalt for standby use. The asphalt batching scale 14 is arranged below the asphalt high-level tank 181, and an asphalt two-way valve 182 is arranged between the asphalt high-level tank 181 and the asphalt batching scale 14. The asphalt two-way valve 182 is used to control the liquid output of the asphalt high-level tank 181. In this embodiment, two asphalt high-level tanks 181 are provided, and the two asphalt high-level tanks 181 are connected to the asphalt melting and conveying system through a pneumatic asphalt three-way valve, wherein the asphalt in the asphalt high-level tank 181 is liquid asphalt. During the batching process, the asphalt is batched by the asphalt batching scale 14 at the same time, and then added to the double-layer mixer and kneaded with other materials.

[0033] Preferably, the anode carbon block kneading system further comprises a scale conveyor 19, which is arranged below the kneading device 15, and the scale conveyor 19 is used to convey the kneaded material to the vibration forming machine.

[0034] Preferably, after the material is kneaded in the anode carbon block kneading system, it enters the molding and cooling system, the molding and cooling system molds the material into pre-baked anodes, and the pre-baked anodes are tested, and the pre-baked anodes that pass the test enter the roasting workshop for roasting to become anode carbon blocks, and the pre-baked anodes that fail the test and the anode carbon blocks that fail the roasting are transported to the return material processing and crushing system, and the return material processing and crushing system crushes the unqualified pre-baked anodes and transports them to the residual anode medium crushing and screening system.

[0035] The above are only specific implementations of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model shall be subject to the attached claims.

Claims

1. An anode carbon block kneading system, characterized in that: The invention comprises a plurality of batching bins (11), a plurality of material batching scales (12), a conveying device (13), an asphalt batching scale (14) and a kneading device (15), wherein each of the batching bins (11) is a tar batching bin (111), a residual pole batching bin (112), a raw crushed material batching bin (113) and a dust powder batching bin (114), each of the batching bins (11) is provided with a control switch (161), and the control switch (161) is used to open or close the discharge port of the batching bin (11), each of the material batching scales (12) is arranged below each of the batching bins (11), and two adjacent material batching scales (12) are arranged at intervals, the conveying device (13) is arranged below each of the material batching scales (12), and the conveying device (15) is arranged below each of the material batching scales (12). 13) is used to transport the materials stored in each batching bin (11) to the kneading device (15), and the asphalt batching scale (14) is connected to the kneading device (15); the conveying device (13) includes a first screw conveyor (131) and a second screw conveyor (132), and the kneading device (15) includes at least two double-layer kneaders. The anode carbon block kneading system is provided with at least one three-way distributor (17), and the three-way distributor (17) includes a first connecting port, a second connecting port and a third connecting port. The first screw conveyor (131) and the second screw conveyor (132) are respectively connected to the first connecting port, the second connecting port is connected to the one double-layer kneader, and the third connecting port is connected to the other double-layer kneader.

2. The anode carbon block kneading system according to claim 1, characterized in that: The tar silo (111) comprises a first powder material batching bin (1111), a second powder material batching bin (1112), a coarse material batching bin (1113), a medium material batching bin (1114) and a first fine material batching bin (1115) which are arranged in sequence at intervals; the conveying device (13) comprises a first screw conveyor (131); the extension direction of the first screw conveyor (131) is consistent with the setting direction of the tar silo (111); materials in the first powder material batching bin (1111), the second powder material batching bin (1112), the coarse material batching bin (1113), the medium material batching bin (1114) and the first fine material batching bin (1115) are conveyed by the first screw conveyor (131).

3. The anode carbon block kneading system according to claim 2, characterized in that: The tar silo (111) further comprises a second fine material batching bin (1116), the scrap material batching bin (112) comprises a coarse scrap batching bin (1121) and a fine scrap batching bin (1122), and the conveying device (13) further comprises a second screw conveyor (132), the second screw conveyor (132) being used for conveying materials from the second fine material batching bin (1116), the coarse scrap batching bin (1121), the fine scrap batching bin (1122), the raw scrap batching bin (113) and the dust powder batching bin (114).

4. The anode carbon block kneading system according to claim 1, characterized in that: The two-layer kneaders are provided in four pieces, and the three-way distributors (17) are provided in two pieces.

5. The anode carbon block kneading system according to claim 1, characterized in that: The double-layer kneader comprises a preheating pot (151) and a kneading pot (152) which are connected to each other. The kneading pot (152) is arranged below the preheating pot (151). The three-way distributor (17) is connected to the preheating pot (151). The preheating pot (151) is used to preheat the material. The asphalt batching scale (14) is connected to the kneading pot (152).

6. The anode carbon block kneading system according to claim 5, characterized in that: The number of the asphalt batching scales (14) is less than or equal to the number of the double-layer kneaders, and each of the asphalt batching scales (14) is connected to at least one kneading pot (152).

7. The anode carbon block kneading system according to claim 5, characterized in that: The anode carbon block kneading system also includes an asphalt high-level tank (181), the asphalt batching scale (14) is arranged below the asphalt high-level tank (181), and an asphalt two-way valve (182) is arranged between the asphalt high-level tank (181) and the asphalt batching scale (14), and the asphalt two-way valve (182) is used to control the liquid output of the asphalt high-level tank (181).

8. The anode carbon block kneading system according to claim 1, characterized in that: The anode carbon block kneading system further comprises a scale conveyor (19), wherein the scale conveyor (19) is arranged below the kneading device (15), and the scale conveyor (19) is used to convey the kneaded material to the vibration forming machine.

9. An anode carbon block production line, characterized in that: It comprises a petroleum coke screening system, a residual anode medium crushing screening system, a molding cooling system and an anode carbon block kneading system as claimed in any one of claims 1 to 8, wherein the petroleum coke screening system and the residual anode medium crushing screening system are respectively connected to the anode carbon block kneading system, and the materials screened by the petroleum coke screening system and the residual anode medium crushing screening system enter into each of the batching bins (11) respectively, and the anode carbon block kneading system is connected to the molding cooling system.

Images