Automatic impurity removal equipment for calcined needle coke

Abstract

The utility model provides automatic impurity removal equipment for calcined needle coke, and belongs to the technical field of chemical equipment. The automatic impurity removal equipment for the calcined needle coke comprises a first belt conveyor. A strip-shaped screen assembly is arranged at the discharging end of the first belt conveyor, a material hoister is arranged at the bottom of the strip-shaped screen assembly, a foreign matter detection assembly is arranged at the discharging end of the material hoister, and a second belt conveyor is arranged at the discharging end of the foreign matter detection assembly. According to the utility model, large-particle linings are firstly pre-sieved and subjected to impurity removal through the strip-shaped sieve assembly, and then materials are conveyed into the foreign matter detection assembly through the material elevator, so that the impurities are automatically removed, the materials with the impurities enter the unqualified material bin, and the impurities in products are removed, thereby improving the product quality.

Description

Technical Field

[0001] This application relates to the field of chemical equipment, and more particularly, to a device for automatically removing impurities from calcined needle coke. Background Art

[0002] Needle coke is a high-quality material mainly used in the production of ultra-high power graphite electrodes and the negative electrode materials of power lithium batteries. With high-temperature calcination, due to the calcination method in which the surface casting material in the rotary kiln is in direct contact with the material, the surface casting material is prone to falling off after being heated at high temperature for a long time, being mixed in the material and unable to be removed, which affects the quality of the finished product. Summary of the Utility Model

[0003] To make up for the above deficiencies, this application provides a device for automatically removing impurities from calcined needle coke, aiming to improve the problem that the surface casting material is prone to falling off after being heated at high temperature for a long time, being mixed in the material and unable to be removed, which affects the quality of the finished product.

[0004] An embodiment of this application provides a device for automatically removing impurities from calcined needle coke, including a first belt conveyor.

[0005] The discharge end of the first belt conveyor is provided with a bar screen assembly, the bottom of the bar screen assembly is provided with a material elevator, the discharge end of the material elevator is provided with a foreign object detection assembly, and a second belt conveyor is provided at the discharge end of the foreign object detection assembly.

[0006] In a specific implementation, the foreign object detection assembly includes a foreign object detection box, a chute screen that slopes downward is arranged inside the foreign object detection box, a feeding bin that slopes downward is installed on the side wall of the foreign object detection box, the feeding bin is located above the second belt conveyor, and a foreign object discharge port is opened at the bottom of the foreign object detection box.

[0007] In a specific implementation, the bar screen assembly includes vertical plates, a first bar screen is arranged between the two vertical plates, the first bar screen is arranged below the discharge end of the first belt conveyor, and the feeding end of the material elevator is connected to the first bar screen.

[0008] In a specific implementation, a fine-pore filter screen is arranged below the first bar screen.

[0009] In a specific implementation, the material elevator includes a roller shaft driving member, a conveyor belt is connected to the roller shaft driving member, and the conveyor belt is located at the bottom of the bar screen assembly.

[0010] In a specific implementation, a number of material hoppers are arranged equidistantly on the conveyor belt.

[0011] In a specific embodiment, the structures of the first belt conveyor and the second belt conveyor are the same, and both include a support frame. A side plate is installed on the top of the support frame, and a belt conveyor component is arranged on the opposite surfaces of the side plates.

[0012] In a specific embodiment, vibration motors are installed on both of the vertical plates.

[0013] Beneficial effects:

[0014] 1. In the present utility model, the large particle linings are pre-screened and impurity-removed by the strip sieve assembly first, and then the materials are conveyed into the foreign object detection assembly by the material elevator, so as to automatically remove the sundries. The materials with sundries enter the unqualified material bin, eliminating the impurities inside the products and thus improving the product quality.

[0015] 2. In the present utility model, the automatic impurity-removing process is completed during the conveying process of the finished products to the finished product bin, effectively solving the sundries falling off the lining during the production process of calcined coke, ensuring the quality of the cooked coke, saving the operation cost, and improving the product quality.

[0016] 3. The present utility model automatically removes impurities from needle coke. The green coke is packaged, transported and supplied for use in the negative electrode. It can also reduce the combustion of powder materials to improve the product yield, reduce the labor intensity of workers, and improve the production efficiency. Description of the drawings

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required to be used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0018] Figure 1 It is a schematic structural diagram of the equipment for automatically removing impurities from calcined needle coke provided by the embodiment of the present application;

[0019] Figure 2 It is a schematic structural diagram of the foreign object detection assembly provided by the embodiment of the present application;

[0020] Figure 3 It is a schematic structural diagram of the first belt conveyor provided by the embodiment of the present application;

[0021] Figure 4 It is a schematic structural diagram of the strip sieve assembly provided by the embodiment of the present application;

[0022] Figure 5 It is a schematic structural diagram of the material elevator provided by the embodiment of the present application.

[0023] In the figure: 1 - First belt conveyor; 11 - Support frame; 12 - Side plate; 13 - Belt conveyor component; 2 - Strip sieve assembly; 21 - First support member; 22 - Vertical plate; 23 - First strip sieve mesh; 24 - Fine pore filter screen; 25 - Vibration motor; 3 - Material elevator; 31 - Roller shaft drive component; 32 - Conveyor belt; 33 - Material hopper; 34 - Support column; 4 - Foreign object detection assembly; 41 - Foreign object detection box; 42 - Chute sieve; 43 - Feeding bin; 44 - Second support member; 5 - Second belt conveyor. Detailed implementation manners

[0024] Next, the technical solutions in the embodiments of the present application will be described with reference to the accompanying drawings in the embodiments of the present application.

[0025] Please refer to Figures 1 - 5 , the present application provides a device for automatically removing impurities from calcined needle coke, including a first belt conveyor 1.

[0026] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , a strip sieve assembly 2 is provided at the discharge end of the first belt conveyor 1, a material elevator 3 is provided at the bottom of the strip sieve assembly 2, a foreign object detection assembly 4 is provided at the discharge end of the material elevator 3, and a second belt conveyor 5 is provided at the discharge end of the foreign object detection assembly 4. Among them, the material is conveyed by the first belt conveyor 1 to the strip sieve assembly 2, enters the material elevator 3 after being screened by the strip sieve assembly 2, the material enters the foreign object detection assembly 4 after being lifted by the material elevator 3, the material with entrained impurities is screened out by the foreign object detection assembly 4, and the qualified finished product material after screening enters the finished product bin through the second belt conveyor 5. The utility model first pre - screens and removes impurities from large - particle linings through the strip sieve assembly 2, and then conveys the material to the foreign object detection assembly 4 through the material elevator 3 to automatically remove sundries, and the material with sundries enters the unqualified material bin, eliminating the impurities inside the product and thus improving the product quality. The utility model completes the automatic impurity removal process during the conveying process of the finished product to the finished product bin, effectively solves the sundries caused by the lining falling off during the production process of calcined coke, ensures the quality of cooked coke, saves the operation cost, and improves the product quality. The utility model automatically removes impurities from needle coke, the green coke is packaged and transported for use in the negative electrode, which can also reduce the combustion of powder materials to improve the product yield, reduce the labor intensity of workers, and improve the production efficiency.

[0027] In this embodiment, the foreign object detection component 4 includes a foreign object detection box 41. Specifically, a second support member 44 is installed at the bottom of the foreign object detection box 41 to support the foreign object detection box 41. An inclined chute screen 42 is arranged inside the foreign object detection box 41. Specifically, the specific mesh number of the chute screen 42 is selected according to actual production needs. A downwardly inclined feed bin 43 is installed on the side wall of the foreign object detection box 41. The feed bin 43 is located above the second belt conveyor 5, and a foreign object discharge port is opened at the bottom of the foreign object detection box 41. Among them, the material is lifted into the foreign object detection box 41 by the material elevator 3, and then passes through the chute screen 42 to screen out the materials with entrained impurities. The qualified materials are discharged through the feed bin 43, and the unqualified materials are discharged through the foreign object discharge port.

[0028] In this embodiment, the strip screen assembly 2 includes vertical plates 22. Specifically, first support members 21 are arranged at the bottoms of the two vertical plates 22. The two first support members 21 can support the vertical plates 22, thereby realizing the support for the first strip screen 23. A first strip screen 23 is arranged between the two vertical plates 22. The first strip screen 23 is arranged below the discharge end of the first belt conveyor 1, and the feed end of the material elevator 3 is connected to the first strip screen 23. A fine pore filter screen 24 is arranged below the first strip screen 23. Vibration motors 25 are installed on both of the two vertical plates 22. Among them, the large particle linings in the materials can be pre-screened and impurities removed through the first strip screen 23. The vibration motors 25 can vibrate the first strip screen 23 to improve the pre-screening effect.

[0029] When specifically arranged, the material elevator 3 includes a roller shaft driving member 31. A conveyor belt 32 is connected to the roller shaft driving member 31. Specifically, the roller shaft driving member 31 includes a first motor and a mounting plate. The two mounting plates are arranged obliquely upward. Support columns 34 are fixedly connected to both ends of the two mounting plates. The first motor is installed on the side of one mounting plate. Two first roller shafts are rotatably connected to the opposite surfaces at both ends of the two mounting plates. The first motor is connected to one of the first roller shafts. The conveyor belt 32 is connected to the two first roller shafts. And the conveyor belt 32 is located at the bottom of the strip screen assembly 2. A number of material holding hoppers 33 are arranged at equal intervals on the conveyor belt 32. Among them, when the roller shaft driving member 31 is started, the materials pre-screened by the first strip screen 23 enter into the material holding hoppers 33 and then the materials are continuously lifted.

[0030] In this embodiment, the first belt conveyor 1 and the second belt conveyor 5 have the same structure, and both include a support frame 11. A side plate 12 is installed on the top of the support frame 11. A belt conveying member 13 is arranged on the opposite surfaces of the side plate 12. Specifically, the belt conveying member 13 includes a second motor. Two second roller shafts are respectively rotatably arranged at both ends of the two side plates 12. The second motor is connected to one of the second roller shafts. A conveying belt is commonly connected to the outer sides of the two second roller shafts. When started, the belt conveying member 13 is started to realize the conveying of materials.

[0031] The working principle of the equipment for automatically removing impurities from the calcined needle coke:

[0032] The material is conveyed to the bar screen assembly 2 through the first belt conveyor 1. After being screened by the bar screen assembly 2, it enters the material elevator 3. After being lifted by the material elevator 3, the material enters the foreign object detection assembly 4. The materials with entrained impurities are screened out through the foreign object detection assembly 4. The qualified finished product materials after screening enter the finished product bin through the second belt conveyor 5. In this utility model, the bar screen assembly 2 first pre-screens and removes impurities from the large particle linings, and then the material elevator 3 conveys the material into the foreign object detection assembly 4 to automatically remove foreign objects. The materials with foreign objects enter the unqualified bin, eliminating the impurities inside the product and thus improving the product quality. This utility model completes the automatic impurity removal process during the conveying process of the finished product to the finished product bin, effectively solving the problem of the linings falling off during the production process of the calcined coke, ensuring the quality of the cooked coke, saving the operation cost, and improving the product quality. The needle coke of this utility model is automatically decontaminated, and the green coke is packaged, transported and supplied for use in the negative electrode. It can also reduce the combustion of the powder, improve the product yield, reduce the labor intensity of the personnel, and improve the production efficiency.

[0033] It should be noted that the specific model specifications of the first motor, the second motor, and the vibration motor 25 need to be selected and determined according to the actual specifications of the device. The specific selection calculation method adopts the existing technology in this field, so it will not be elaborated in detail.

[0034] The power supply and its principle of the first motor, the second motor, and the vibration motor 25 are clear to those skilled in the art and will not be elaborated here.

[0035] The above are only the embodiments of this application and are not used to limit the protection scope of this application. For those skilled in the art, this application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this application shall be included in the protection scope of this application. It should be noted that similar reference numerals and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

Claims

1. An automatic impurity removal device for calcined needle coke, characterized in that: include A first belt conveyor (1), wherein a strip screen assembly (2) is arranged at the discharge end of the first belt conveyor (1), a material elevator (3) is arranged at the bottom of the strip screen assembly (2), a foreign matter detection assembly (4) is arranged at the discharge end of the material elevator (3), and a second belt conveyor (5) is arranged at the discharge end of the foreign matter detection assembly (4).

2. The automatic impurity removal device for calcined needle coke according to claim 1, characterized in that: The foreign matter detection assembly (4) comprises a foreign matter detection box (41), a downwardly inclined chute screen (42) is arranged inside the foreign matter detection box (41), a downwardly inclined lower bin (43) is installed on the side wall of the foreign matter detection box (41), the lower bin (43) is located above the second belt conveyor (5), and a foreign matter discharge port is opened at the bottom of the foreign matter detection box (41).

3. The automatic impurity removal device for calcined needle coke according to claim 1, characterized in that: The strip screen assembly (2) comprises a vertical plate (22), a first strip screen (23) is arranged between the two vertical plates (22), the first strip screen (23) is arranged below the unloading end of the first belt conveyor (1), and the feeding end of the material hoist (3) is connected to the first strip screen (23).

4. The automatic impurity removal device for calcined needle coke according to claim 3, characterized in that: A fine-pore filter screen (24) is provided below the first strip-shaped screen (23).

5. The automatic impurity removal device for calcined needle coke according to claim 1, characterized in that: The material elevator (3) comprises a roller drive member (31), a conveyor belt (32) is connected to the roller drive member (31), and the conveyor belt (32) is located at the bottom of the bar screen assembly (2).

6. The automatic impurity removal device for calcined needle coke according to claim 5, characterized in that: A plurality of material hoppers (33) are arranged at equal intervals on the conveyor belt (32).

7. The automatic impurity removal device for calcined needle coke according to claim 1, characterized in that: The first belt conveyor (1) and the second belt conveyor (5) have the same structure and both comprise a support frame (11), a side plate (12) being mounted on the top of the support frame (11), and a belt conveying member (13) being arranged on the opposite side of the side plate (12).

8. The automatic impurity removal device for calcined needle coke according to claim 3, characterized in that: A vibration motor (25) is installed on each of the two vertical plates (22).

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