Electrically calcined coal feeding bin

Abstract

The utility model discloses an electrically calcined coal feeding bin which comprises a bin body and a spiral conveying assembly, the spiral conveying assembly comprises a conveying pipe, a discharging pipe, a first rotating shaft, a first spiral blade and a gear motor, and a feeding hopper is fixedly installed at the end, close to the gear motor, of the outer surface of the upper end of the conveying pipe. The outer surface of the upper end of the feeding hopper is fixedly connected with the outer surface of the lower end of the stock bin, an inner cavity of the feeding hopper communicates with an inner cavity of the stock bin, and an auxiliary feeding structure is installed between the stock bin and the feeding hopper. According to the electrically calcined coal feeding stock bin, materials in the stock bin can smoothly enter the spiral conveying assembly to be conveyed through the arranged auxiliary feeding structure, the second rotating shaft can be protected through the arranged retainer, and therefore the conveying efficiency is improved. Deformation or inclination of the second rotating shaft in the auxiliary feeding structure due to extrusion of the electrically calcined coal is avoided, and the service life of the auxiliary feeding structure is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of electrocalcined coal feeding, in particular to an electrocalcined coal feeding bin. Background Technique

[0002] In the prior art, electrocalcined coal is stored inside a bin, and then the electrocalcined coal inside the bin is discharged through a screw conveyor.

[0003] However, when discharging the electrocalcined coal inside the bin, the electrocalcined coal inside the bin is prone to jamming, resulting in unsmooth feeding.

[0004] Therefore, we propose an electrocalcined coal feeding bin. Content of the Utility Model

[0005] (1) Technical Problems to be Solved

[0006] Aiming at the deficiencies of the prior art, the utility model provides an electrocalcined coal feeding bin, which has the advantages of improving the feeding smoothness and avoiding jamming, and can effectively solve the problems in the background technique.

[0007] (2) Technical Solutions

[0008] To achieve the above object, the technical solution adopted by the utility model is: an electrocalcined coal feeding bin, including a bin and a screw conveying assembly. The screw conveying assembly includes a conveying pipe, a feeding pipe, a first rotating shaft, a first spiral blade and a reduction motor. One end of the outer surface of the upper part of the conveying pipe near the reduction motor is fixedly installed with a feeding hopper. The upper end outer surface of the feeding hopper is fixedly connected with the lower end outer surface of the bin. The inner cavity of the feeding hopper is communicated with the inner cavity of the bin. An auxiliary feeding structure is installed between the bin and the feeding hopper. The auxiliary feeding structure includes a support plate, a stepping motor and a second rotating shaft. A retaining frame is installed between the outer wall of the second rotating shaft and the inner wall of the bin. The retaining frame includes an installation ring and a triangular cantilever rod. One end of the outer surface of the conveying pipe is fixedly connected with the lower part of the outer surface of one side of the reduction motor, and one end of the output shaft of the reduction motor extends into the interior of the conveying pipe and is fixedly connected with the outer surface of one end of the first rotating shaft. A fixing frame is fixedly installed on the outer wall of the bin, and a support frame is fixedly installed on the lower end outer surface of the fixing frame.

[0009] Preferably, the first rotating shaft and the first spiral blade are both located inside the conveying pipe. The first spiral blade is fixedly installed on the outer wall of the first rotating shaft. The feeding pipe is fixedly installed on one end of the outer surface of the lower part of the conveying pipe away from the reduction motor.

[0010] Preferably, the second rotating shaft penetrates through the installation ring, and the second rotating shaft penetrates through the bin and extends into the interior of the feeding hopper. The triangular cantilever rod is fixedly installed between the outer wall of the installation ring and the inner wall of the bin.

[0011] Preferably, a sealing bearing is provided between the second rotating shaft and the mounting ring, and the second rotating shaft is rotatably connected to the mounting ring through the sealing bearing.

[0012] Preferably, the support plate is fixedly installed on the outer surface of the upper end of the silo, the stepping motor is fixedly installed in the middle of the outer surface of the upper end of the support plate, the second rotating shaft is connected to the outer surface of the lower end of the stepping motor, the second spiral blade is fixedly installed on the outer wall of the lower part of the second rotating shaft, and the lower end of the second spiral blade extends into the feeding hopper.

[0013] Preferably, a sealing bearing is provided between the second rotating shaft and the support plate, the second rotating shaft is rotatably connected to the support plate through the sealing bearing, a coupling is provided between the second rotating shaft and the stepping motor, and the outer surface of the upper end of the second rotating shaft is fixedly connected to the outer surface of the lower end of the output shaft in the stepping motor through the coupling.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a charging silo for electrically calcined coal, which has the following beneficial effects:

[0016] 1. For the charging silo for electrically calcined coal, the provided auxiliary feeding structure enables the materials inside the silo to smoothly enter the screw conveyor assembly for conveying.

[0017] 2. For the charging silo for electrically calcined coal, through the provided cage, the second rotating shaft can be protected, preventing the second rotating shaft in the auxiliary feeding structure from deforming or tilting due to the extrusion of electrically calcined coal, and improving the service life of the auxiliary feeding structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of a charging silo for electrically calcined coal of the utility model.

[0019] Figure 2 It is a side view of the screw conveyor assembly in a charging silo for electrically calcined coal of the utility model.

[0020] Figure 3 It is a schematic diagram of a partial structure of a charging silo for electrically calcined coal of the utility model.

[0021] Figure 4 It is a schematic diagram of the structure of the cage in a charging silo for electrically calcined coal of the utility model.

[0022] In the figure: 1, silo; 2, auxiliary feeding structure; 3, feeding hopper; 4, screw conveyor assembly; 5, fixing frame; 6, support frame; 7, conveying pipe; 8, blanking pipe; 9, first rotating shaft; 10, first spiral blade; 11, reduction motor; 12, support plate; 13, stepping motor; 14, second rotating shaft; 15, second spiral blade; 16, cage; 17, mounting ring; 18, triangular cantilever rod. Detailed implementation manners

[0023] To make the technical means, creative features, achieved purposes and functions of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific implementation manners.

[0024] This embodiment is a feeding silo for electrically calcined coal.

[0025] As Figures 1-4 shown, it includes a silo 1 and a screw conveyor assembly 4. The screw conveyor assembly 4 includes a conveying pipe 7, a blanking pipe 8, a first rotating shaft 9, a first spiral blade 10 and a reduction motor 11. One end of the outer surface of the upper end of the conveying pipe 7 near the reduction motor 11 is fixedly installed with a feeding hopper 3. The outer surface of the upper end of the feeding hopper 3 is fixedly connected to the outer surface of the lower end of the silo 1. The inner cavity of the feeding hopper 3 is communicated with the inner cavity of the silo 1. An auxiliary feeding structure 2 is installed between the silo 1 and the feeding hopper 3. The auxiliary feeding structure 2 includes a support plate 12, a stepping motor 13 and a second rotating shaft 14. A cage 16 is installed between the outer wall of the second rotating shaft 14 and the inner wall of the silo 1. The cage 16 includes a mounting ring 17 and a triangular cantilever rod 18. One end of the outer surface of the conveying pipe 7 is fixedly connected to the lower part of the outer surface of one side of the reduction motor 11, and one end of the output shaft of the reduction motor 11 extends into the interior of the conveying pipe 7 and is fixedly connected to the outer surface of one end of the first rotating shaft 9. A fixing frame 5 is fixedly installed on the outer wall of the silo 1, and a support frame 6 is fixedly installed on the outer surface of the lower end of the fixing frame 5.

[0026] The first rotating shaft 9 and the first spiral blade 10 are both located inside the conveying pipe 7. The first spiral blade 10 is fixedly installed on the outer wall of the first rotating shaft 9. The feeding pipe 8 is fixedly installed at one end of the outer surface of the lower end of the conveying pipe 7 away from the reduction motor 11. The second rotating shaft 14 penetrates through the mounting ring 17, and the second rotating shaft 14 penetrates through the silo 1 and extends into the upper hopper 3. The triangular cantilever rod 18 is fixedly installed between the outer wall of the mounting ring 17 and the inner wall of the silo 1. A sealing bearing is provided between the second rotating shaft 14 and the mounting ring 17, and the second rotating shaft 14 is rotationally connected to the mounting ring 17 through the sealing bearing. The support plate 12 is fixedly installed on the outer surface of the upper end of the silo 1, the stepping motor 13 is fixedly installed in the middle of the outer surface of the upper end of the support plate 12. The second rotating shaft 14 is connected to the lower outer surface of the stepping motor 13. The second spiral blade 15 is fixedly installed on the outer wall of the lower part of the second rotating shaft 14, and the lower end of the second spiral blade 15 extends into the upper hopper 3. A sealing bearing is provided between the second rotating shaft 14 and the support plate 12, and the second rotating shaft 14 is rotationally connected to the support plate 12 through the sealing bearing. A coupling is provided between the second rotating shaft 14 and the stepping motor 13, and the upper outer surface of the second rotating shaft 14 is fixedly connected to the lower outer surface of the output shaft in the stepping motor 13 through the coupling.

[0027] It should be noted that the present utility model is an electric calcined coal feeding silo. The provided silo 1 is used for storing electric calcined coal. The provided auxiliary feeding structure 2, when feeding the electric calcined coal inside the silo 1 through the screw conveying assembly 4, drives the second rotating shaft 14 to rotate through the operation of the stepping motor 13. The second rotating shaft 14 drives the second spiral blade 15 to rotate. The second spiral blade 15 pushes the electric calcined coal inside the silo 1 downward, so that the electric calcined coal inside the silo 1 can easily enter the conveying pipe 7 in the screw conveying assembly 4. The reduction motor 11 drives the first rotating shaft 9 and the first spiral blade 10 to rotate, and the first spiral blade 10 pushes the electric calcined coal inside the conveying pipe 7 to move and discharge. By providing the auxiliary feeding structure 2, the phenomenon of material jamming can be effectively avoided. By providing the cage 16, the second rotating shaft 14 can be protected, avoiding the deformation or inclination of the second rotating shaft 14 in the auxiliary feeding structure 2 due to the extrusion of the electric calcined coal, and improving the service life of the auxiliary feeding structure 2.

[0028] It should be noted that in this text, relational terms such as first and second (No. 1, No. 2, etc.) are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the existence of additional identical elements in the process, method, article or device comprising said element.

[0029] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of the present utility model claimed.

Claims

1. An electric calcined coal feeding bin, comprising a bin (1) and a screw conveying assembly (4), characterized in that: The spiral conveying assembly (4) includes a conveying pipe (7), a blanking pipe (8), a first rotating shaft (9), a first spiral blade (10) and a reduction motor (11). One end of the outer surface of the upper end of the conveying pipe (7) close to the reduction motor (11) is fixedly installed with a feeding hopper (3). The outer surface of the upper end of the feeding hopper (3) is fixedly connected to the outer surface of the lower end of the silo (1). The inner cavity of the feeding hopper (3) is communicated with the inner cavity of the silo (1). An auxiliary feeding structure (2) is installed between the silo (1) and the feeding hopper (3). The auxiliary feeding structure (2) includes a support plate (12), a stepping motor (13) and a second rotating shaft (14). A cage (16) is installed between the outer wall of the second rotating shaft (14) and the inner wall of the silo (1). The cage (16) includes a mounting ring (17) and a triangular cantilever rod (18). One end of the outer surface of the conveying pipe (7) is fixedly connected to the lower part of the outer surface of one side of the reduction motor (11). One end of the output shaft of the reduction motor (11) extends into the interior of the conveying pipe (7) and is fixedly connected to the outer surface of one end of the first rotating shaft (9). A fixing frame (5) is fixedly installed on the outer wall of the silo (1). A support frame (6) is fixedly installed on the outer surface of the lower end of the fixing frame (5).

2. The coal bin for feeding electrically calcined coal according to claim 1, wherein: The first rotating shaft (9) and the first spiral blade (10) are both located inside the conveying pipe (7). The first spiral blade (10) is fixedly installed on the outer wall of the first rotating shaft (9). The blanking pipe (8) is fixedly installed at one end of the outer surface of the lower end of the conveying pipe (7) far from the reduction motor (11).

3. The coal charging bunker for electrically calcined coal according to claim 2, characterized in that: The second rotating shaft (14) penetrates through the mounting ring (17), and the second rotating shaft (14) penetrates through the silo (1) and extends into the interior of the feeding hopper (3). The triangular cantilever rod (18) is fixedly installed between the outer wall of the mounting ring (17) and the inner wall of the silo (1).

4. The coal bin for feeding electrocalcined coal according to claim 3, characterized in that: A sealing bearing is arranged between the second rotating shaft (14) and the mounting ring (17). The second rotating shaft (14) is rotationally connected to the mounting ring (17) through the sealing bearing.

5. The coal bin for charging electrically calcined coal according to claim 4, characterized in that: The support plate (12) is fixedly installed on the outer surface of the upper end of the silo (1). The stepping motor (13) is fixedly installed in the middle of the outer surface of the upper end of the support plate (12). The second rotating shaft (14) is connected to the outer surface of the lower end of the stepping motor (13). A second spiral blade (15) is fixedly installed on the outer wall of the lower part of the second rotating shaft (14), and the lower end of the second spiral blade (15) extends into the feeding hopper (3).

6. The charging bin for electrically calcined coal according to claim 5, characterized in that: A sealing bearing is arranged between the second rotating shaft (14) and the support plate (12). The second rotating shaft (14) is rotationally connected to the support plate (12) through the sealing bearing. A coupling is arranged between the second rotating shaft (14) and the stepping motor (13). The outer surface of the upper end of the second rotating shaft (14) is fixedly connected to the outer surface of the lower end of the output shaft of the stepping motor (13) through the coupling.

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