Feeding device capable of uniformly burdening

Abstract

The utility model relates to the technical field of calcium carbide production, in particular to a uniform batching feeding device which comprises a material bin, a feeding pipe communicated with the interior of the material bin is arranged at the top of the material bin, a feeding barrel is communicated with the bottom of the material bin, a discharging pipe is communicated with one side of the bottom of the feeding barrel, and a servo motor is installed at the bottom of the feeding barrel. A servo motor is arranged at the bottom of the material box, an output shaft of the servo motor rotationally penetrates through the interior of the feeding barrel and is in transmission connection with a driving shaft vertically arranged in the feeding barrel, the outer side of the driving shaft is sleeved with a spiral auger, and blades of the spiral auger movably abut against the inner wall of the feeding barrel. The servo motor drives the spiral auger to rotate at a constant speed, semi-coke in the material box is conveyed under pushing of the blades of the spiral auger, uniform feeding is guaranteed, pushing and conveying of the semi-coke through the blades of the spiral auger can be accelerated by controlling the servo motor to drive the spiral auger to rotate at the constant speed, and therefore the semi-coke feeding amount can be controlled according to requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of semi-coke production, and particularly relates to a feeding device for uniform batching. Background Art

[0002] Ferrosilicon semi-coke, that is, semi-coke, is an important industrial raw material, mainly used in fields such as calcium carbide, ferroalloy, blast furnace injection, and industrial gas production. It is a new type of carbon material made from high-quality Jurassic clean coal blocks, with the characteristics of high fixed carbon, high specific resistance, high chemical activity, low ash content, low aluminum, low sulfur, and low phosphorus. In the process of manufacturing ferrosilicon, semi-coke has become an indispensable raw material due to its high chemical activity and low impurity content.

[0003] The use of semi-coke in ferroalloy smelting is mainly in the process of ferrosilicon smelting. During production, semi-coke of different particle sizes needs to be used in combination. Therefore, it is necessary to uniformly feed the required specifications of semi-coke for production to improve the smelting efficiency. However, most of the existing feeding devices vibrate at the discharge port. Under the action of the vibration device, the materials inside the material bin fall naturally through the discharge port by their own gravity. However, the free fall cannot well control the discharge speed, and thus the discharge amount cannot be actually controlled according to the required amount of semi-coke, resulting in uneven feeding, which easily causes furnace condition fluctuations, increases the energy consumption of electric furnace production, and at the same time causes product quality fluctuations. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a feeding device for uniform batching, which solves the problem that the feeding device in the prior art cannot actually control the discharge amount according to the required amount of semi-coke, resulting in uneven feeding.

[0005] To solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A feeding device for uniform batching includes a material bin. An inlet pipe communicating with the inside of the material bin is provided at the top of the material bin. A feeding cylinder is communicated and provided at the bottom of the material bin. A discharge pipe is communicated and provided at one side of the bottom of the feeding cylinder. A servo motor is installed at the bottom of the feeding cylinder. The output shaft of the servo motor rotates through the inside of the feeding cylinder, and is drivingly connected to a driving shaft vertically arranged inside the feeding cylinder. A spiral auger is sleeved outside the driving shaft, and the blades of the spiral auger are movably abutted against the inner wall of the feeding cylinder.

[0007] A further technical solution is that the top end of the driving shaft is connected with a scraping bar horizontally arranged inside the material bin, and the scraping bar is movably abutted against the bottom side inside the material bin.

[0008] A further technical solution is that the top end of the drive shaft is connected to an air pipe vertically arranged inside the material bin. The top end of the air pipe rotates through the top surface of the material bin and extends to the outside of the material bin. A number of branch pipes communicating with the air pipe are fixedly arranged on the outer surface of the air pipe, and a number of through holes penetrating through the inside thereof are opened on the outer surface of the branch pipe. An air pump is installed on the top surface of the material bin, and the air inlet pipe of the air pump is connected to the top of the air pipe through a rotary flange.

[0009] A further technical solution is that a rotating hole penetrating through the inside is opened on the top surface of the material bin. A rotating bearing is arranged in the rotating hole. The outer ring of the rotating bearing is connected to the inner wall of the rotating hole, and the inner ring of the rotating bearing is connected to the outer side of the air pipe.

[0010] A further technical solution is that an observation port communicating with the inside of the material bin is opened on the outer side of the material bin, and an explosion-proof glass is installed in the observation port.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: 1. By arranging a feeding cylinder, a servo motor and a spiral auger at the bottom of the material box, the servo motor drives the spiral auger to rotate at a constant speed, and the semi-coke in the material box is conveyed under the pushing of the blades of the spiral auger, ensuring uniform feeding.

[0012] 2. By arranging a feeding cylinder, a servo motor and a spiral auger at the bottom of the material box, by controlling the speed of the servo motor driving the spiral auger to rotate at a constant speed, the pushing of the blades of the spiral auger for conveying semi-coke can be accelerated, so that the feeding amount of semi-coke can be controlled according to requirements. Description of the Drawings

[0013] Figure 1 It is a sectional view of the structure of a feeding device for uniform batching of the present utility model.

[0014] Figure 2 It is a schematic diagram of the structure of a feeding device for uniform batching of the present utility model.

[0015] Figure 3 It is a schematic diagram of the exploded structure of the air pipe, the rotating bearing and the rotary flange of the present utility model.

[0016] Reference Signs: 1 - Material bin, 2 - Feed pipe, 3 - Feeding cylinder, 4 - Discharge pipe, 5 - Servo motor, 6 - Drive shaft, 7 - Spiral auger, 8 - Scraping strip, 9 - Air pipe, 10 - Branch pipe, 11 - Through hole, 12 - Air pump, 13 - Air inlet pipe, 14 - Rotary flange, 15 - Rotating hole, 16 - Rotating bearing, 17 - Observation port, 18 - Explosion-proof glass, 19 - Exhaust pipe. Detailed Embodiment

[0017] In order to make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0018] Embodiment 1:

[0019] Referring to Figures 1 to 2 shown, a feeding device for uniform batching of the present utility model includes a material bin 1. A feed pipe 2 communicating with the inside thereof is provided at the top of the material bin 1. A feeding cylinder 3 is communicated at the bottom of the material bin 1. A discharge pipe 4 is communicated at one side of the bottom end of the feeding cylinder 3. A servo motor 5 is installed at the bottom of the feeding cylinder 3. The output shaft of the servo motor 5 rotates through the inside of the feeding cylinder 3 and is drivingly connected to a driving shaft 6 vertically arranged inside the feeding cylinder 3. A spiral auger 7 is sleeved outside the driving shaft 6. The blades of the spiral auger 7 are in movable abutment with the inner wall of the feeding cylinder 3. In the actual use process, by providing the feed pipe 2 at the top of the material bin 1, it is convenient to add semi-coke into the material bin 1. By providing the feeding cylinder 3, the servo motor 5 and the spiral auger 7 at the bottom of the material bin 1, the servo motor 5 drives the spiral auger 7 to rotate at a constant speed through the driving shaft 6. The semi-coke in the material bin 1 is conveyed under the uniform pushing of the blades of the spiral auger 7 and then discharged through the discharge pipe 4, ensuring uniform feeding. By controlling to increase or decrease the speed of the servo motor 5 driving the spiral auger 7 to rotate at a constant speed, the pushing of the blades of the spiral auger 7 to convey the semi-coke can be accelerated or decelerated, so that the semi-coke feeding amount can be controlled according to requirements.

[0020] The top end of the driving shaft 6 is connected to a scraping bar 8 horizontally arranged inside the material bin 1. The scraping bar 8 is in movable abutment with the bottom side inside the material bin 1. By providing the scraping bar 8, since there is a dead material area at the bottom side inside the material bin 1, it is difficult for the semi-coke material accumulated in the dead material area to be conveyed out by the spiral auger 7. By setting the scraping bar 8 to rotate with the driving shaft 6, the semi-coke accumulated in the dead material area inside the material bin 1 can be scraped and taken out, ensuring complete feeding and avoiding waste caused by semi-coke accumulation in the dead material area.

[0021] Embodiment 2:

[0022] Referring to Figures 1 to 3It is shown that, on the basis of the foregoing embodiment, the top end of the drive shaft 6 is connected to an air pipe 9 vertically arranged inside the material bin 1. The top end of the air pipe 9 rotates through the top surface of the material bin 1 and extends to the outside of the material bin 1. A number of branch pipes 10 communicating with the air pipe 9 are fixedly arranged on the outer surface of the air pipe 9, and a number of through holes 11 penetrating through the inside of the branch pipes 10 are formed on the outer surface of the branch pipes 10; an air pump 12 is installed on the top surface of the material bin 1, and the intake pipe 13 of the air pump 12 is connected to the top of the air pipe 9 through a rotary flange 14. In the actual use process, by setting the air pump 12, the air pipe 9 and the branch pipes 10, since dust exists in the semi-coke when it is put into the material bin 1 through the feed pipe 2 and is prone to dust flying, the air pump 12 can be controlled to work. The air pump 12 drives the air flow inside the air pipe 9 and the branch pipes 10, and then sucks away the dust in the semi-coke inside the material bin 1 through the through holes 11 on the branch pipes 10, so as to avoid the semi-coke dust inside the material bin 1 being discharged through the feed cylinder 3 and the discharge pipe 4 during subsequent feeding, and further avoid the dust in the semi-coke flying up and affecting the external environment; at the same time, the air pipe 9 rotates with the drive shaft 6, thereby driving the branch pipes 10 to rotate inside the material bin 1, which can stir the semi-coke, so that the semi-coke will not be stuck together due to accumulation, ensuring the fluidity of the semi-coke inside the material bin 1. At the same time, the branch pipes 10 rotate inside the material bin 1, which can increase the dust suction range and achieve high-efficiency dust removal efficiency. The intake pipe 13 of the air pump 12 is connected to the top of the air pipe 9 through the rotary flange 14, which can ensure the sealed connection between the intake pipe 13 of the air pump 12 and the air pipe 9, and also ensure the smooth rotation of the air pipe 9 with the drive shaft 6. Finally, it is discharged through the exhaust pipe 19 of the air pump 12. The end of the exhaust pipe 19 of the air pump 12 is connected to a dust filtering device in the prior art (not shown in the figure) to avoid directly discharging and affecting the external environment. The dust filtering device is the prior art and will not be elaborated here.

[0023] Refer to Figure 3 It is shown that a rotating hole 15 penetrating through the inside is formed on the top surface of the material bin 1, and a rotating bearing 16 is arranged in the rotating hole 15. The outer ring of the rotating bearing 16 is connected to the inner wall of the rotating hole 15, and the inner ring of the rotating bearing 16 is connected to the outer side of the top of the air pipe 9. By setting the rotating bearing 16, the stability of the air pipe 9 rotating with the drive shaft 6 can be ensured.

[0024] Embodiment 3:

[0025] Refer to Figure 2 It is shown that an observation port 17 communicating with the inside of the material bin 1 is formed on the outer side of the material bin 1, and an explosion-proof glass 18 is installed in the observation port 17. By setting the observation port 17 and installing the explosion-proof glass 18 at the observation port 17, the situation inside the material bin 1 can be observed more directly.

[0026] Although the present disclosure has been described with reference to various exemplary embodiments of the present invention, it should be understood that those skilled in the art can devise many other modifications and implementations that will fall within the scope of the principles and spirit disclosed in this application. More specifically, within the scope of the present disclosure, the drawings, and the claims, various variations and improvements can be made to the components and / or layout of the subject combination layout. In addition to the variations and improvements made to the components and / or layout, other uses will also be apparent to those skilled in the art.

Claims

1. A feeding device with uniform batching, comprising a material bin (1), wherein a feed pipe (2) communicating with the inside thereof is provided at the top of the material bin (1), and a feeding cylinder (3) is communicated and provided at the bottom of the material bin (1), and it is characterized in that: One side of the bottom of the feeding cylinder (3) is communicated with a discharge pipe (4). A servo motor (5) is installed at the bottom of the feeding cylinder (3). The output shaft of the servo motor (5) rotates through the inside of the feeding cylinder (3), and is drivingly connected to a driving shaft (6) vertically arranged inside the feeding cylinder (3). A spiral auger (7) is sleeved outside the driving shaft (6), and the blades of the spiral auger (7) are movably abutted against the inner wall of the feeding cylinder (3).

2. The feeding device for uniform batching according to claim 1, wherein: The top end of the driving shaft (6) is connected with a scraping bar (8) horizontally arranged inside the material bin (1), and the scraping bar (8) is movably abutted against the bottom side inside the material bin (1).

3. The feeding device for uniform batching according to claim 1, characterized in that: The top end of the driving shaft (6) is connected with an air pipe (9) vertically arranged inside the material bin (1). The top end of the air pipe (9) rotates through the top surface of the material bin (1) and extends outside the material bin (1). A plurality of branch pipes (10) communicated with the air pipe (9) are fixedly arranged on the outer surface of the air pipe (9), and a plurality of through holes (11) penetrating through the inside of the branch pipes (10) are opened on the outer surface of the branch pipes (10); An air pump (12) is installed on the top surface of the material bin (1), and the intake pipe (13) of the air pump (12) is communicated with the top of the air pipe (9) through a rotary flange (14).

4. The feeding device for uniform batching according to claim 3, characterized in that: A rotating hole (15) penetrating through the inside of the material bin (1) is opened on the top surface of the material bin (1). A rotating bearing (16) is arranged in the rotating hole (15). The outer ring of the rotating bearing (16) is connected with the inner wall of the rotating hole (15), and the inner ring of the rotating bearing (16) is connected with the outside of the air pipe (9).

5. The feeding device for uniform batching according to claim 1, characterized in that: An observation port (17) communicated with the inside of the material bin (1) is opened on the outer side of the material bin (1), and an explosion-proof glass (18) is installed in the observation port (17).

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