Material cleaning device for feed opening of feeder
By installing the rolling scraper shaft and scraper plate at the blanking point of the feeder, the problem of stacking of block ore cutting points is solved, and safe and efficient material cleaning and cost control are achieved.
Patent Information
- Application Number
- CN202422123714.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-30
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-08-30
AI Technical Summary
In the prior art, block ore is prone to accumulate at the blanking point on the seismic screen, resulting in poor discharge or blockage, affecting the blast furnace ironmaking process, and the manual cleaning operation is high and unsafe.
Install the rolling scraper shaft and scraper plate at the blanking point of the feeder to provide power through the scraper motor to achieve continuous cleaning of the deposited material at the block ore outlet to avoid material accumulation.
Continuous cleaning of block ore cutouts is achieved, reducing manual cleaning intensity, ensuring safe production, stabilizing blast furnace material ratio, and reducing iron smelting costs.
Smart Images
Figure CN223117391U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a material cleaning device for the blanking opening of a feeder, belonging to the technical field of blast furnace bunker equipment. Background Technique
[0002] Among the materials required in the blast furnace ironmaking process, lump ore (naturally occurring iron ore) accounts for a certain percentage. Since the addition of lump ore can reduce the production cost of blast furnace ironmaking to a certain extent, it is inevitable to add lump ore in the ironmaking process. However, due to the actual physical properties of lump ore (lump ore contains moisture and a considerable amount of powder), it is extremely easy to form a pile at the material dropping point on the vibrating screen during the feeding and transportation process, resulting in unsmooth blanking, and even blocking the blanking channel, causing the interruption of the material transportation process, thus affecting the blast furnace ironmaking process and further affecting the completion of the blast furnace ironmaking cost index.
[0003] Currently, the cleaning of the powder pile at the falling point of the existing lump ore blanking opening is usually completed manually, that is, tools such as iron chisels and electric hammers are used to clean the accumulated material pile. This manual cleaning method requires the operation post to closely monitor the blanking situation of the feeder. When the moisture content of the lump ore is high and the powder is more, the material dropping point is extremely easy to form a piled and solidified pile. The manual cleaning operation intensity is very high, and it may cause the stop of lump ore transportation, and even cause psychological panic among operators, which is not conducive to safe production. At the same time, it also affects the blast furnace material ratio structure and increases the ironmaking cost. Summary of the Invention
[0004] The purpose of the utility model is to provide a material cleaning device for the blanking opening of a reverse feeder. By installing a rolling scraping shaft and a scraping plate at the material dropping point of the feeder, continuous cleaning operations are carried out on the accumulated material at the falling point of the lump ore blanking opening. The structure is simple, the maintenance is convenient, and the service life is long. It can avoid the accumulation and solidification of wet and sticky materials, reduce or even eliminate the manual cleaning operation intensity, ensure safe production, and at the same time, to a great extent, stabilize the blast furnace material ratio structure, reduce the ironmaking cost, and effectively solve the above problems existing in the background technique.
[0005] The technical solution of the utility model is as follows:
[0006] A material cleaning device for the blanking opening of a feeder, comprising a scraping motor, a vibrating screen, a bearing, a scraping shaft, a scraping plate and a coupling. The vibrating screen is arranged below the blanking opening of the feeder, and a scraping shaft is arranged at the material dropping point of the feeder on the vibrating screen. The scraping shaft is arranged above the top plate at the top of the vibrating screen, the scraping plate is welded on the scraping shaft, and the output shaft of the scraping motor is connected to the scraping shaft through the coupling and the bearing; the number of the scraping plates is multiple, and they are arranged in rows along the axis of the scraping shaft on the scraping shaft, forming a toothed structure. The scraping motor provides power for the scraping shaft through the coupling and the bearing.
[0007] A motor base is provided on the upper side wall of the vibrating sieve, and the scraping motor is installed on the motor base.
[0008] The motor base has the same inclination angle as the vibrating sieve, and a reinforcing rib plate is welded between the lower part of the motor base and the vibrating sieve.
[0009] Bearings are respectively provided at both ends of the coupling. The two bearings are respectively installed on the two side walls of the vibrating sieve, and the two bearings and the scraping motor are installed on the same axis.
[0010] Four rows of scraping plates parallel to each other are provided on the scraping shaft, and the adjacent two rows of scraping plates are spaced 90 degrees apart.
[0011] The scraping shaft is a rolling scraping shaft.
[0012] The scraping motor is a medium and low speed motor.
[0013] The beneficial effects of the present utility model are as follows: By installing a rolling scraping shaft and scraping plates at the material dropping point of the feeder, continuous cleaning operations are carried out on the accumulated materials at the dropping point of the lump ore feeding port. The structure is simple, the maintenance is convenient, and the service life is long. It can avoid the accumulation and compaction of wet and sticky materials, reduce or even eliminate the labor intensity of manual material cleaning, ensure safe production, and at the same time, to a great extent, stabilize the material ratio structure of the blast furnace and reduce the ironmaking cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 is the front view of the present utility model;
[0015] Figure 2 is the right view of the present utility model;
[0016] Figure 3 is the partial top view of the present utility model;
[0017] In the figure: feeder 1, scraping motor 2, vibrating sieve 3, vibrating device 4, motor base 5, bearing 6, scraping plate 7, scraping shaft 8, coupling 9, vibrating sieve exciter 10, rotation direction 11, material traveling direction 12, top plate 13. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0018] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the drawings in the embodiments. Obviously, the described embodiments are only a small part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present utility model.
[0019] A device for cleaning the discharge opening of a feeder, comprising a scraping motor 2, a vibrating sieve 3, a bearing 6, a scraping shaft 8, a scraping plate 7 and a coupling 9. The vibrating sieve 3 is arranged below the discharge opening of the feeder 1. A scraping shaft 8 is arranged at the material falling point position of the feeder 1 on the vibrating sieve 3. The scraping shaft 8 is arranged above the top plate 13 at the top of the vibrating sieve 3. The scraping plate 7 is welded on the scraping shaft 8. The output shaft of the scraping motor 2 is connected to the scraping shaft 8 through the coupling 9 and the bearing 6. The number of the scraping plates 7 is multiple, and they are arranged in rows along the axis of the scraping shaft 8 to form a toothed structure. The scraping motor 2 provides power for the scraping shaft 8 through the coupling 9 and the bearing 6.
[0020] A motor base 5 is arranged on the upper side wall of the vibrating sieve 3, and the scraping motor 2 is installed on the motor base 5.
[0021] The motor base 5 has the same inclination angle as the vibrating sieve 3, and a reinforcing rib plate is welded between the lower part of the motor base 5 and the vibrating sieve 3.
[0022] Bearings 6 are respectively arranged at both ends of the coupling 9, and the two bearings 6 are respectively installed on the two side walls of the vibrating sieve 3. The two bearings 6 and the scraping motor 2 are installed on the same axis.
[0023] Four rows of scraping plates 7 parallel to each other are arranged on the scraping shaft 8, and the interval between two adjacent rows of scraping plates 7 is 90 degrees.
[0024] The vibrating sieve 3 is connected to a vibrating sieve exciter 10 through a vibrating device 4, and the vibrating sieve exciter 10 provides vibration force for the vibrating sieve 3.
[0025] The scraping shaft 8 is a rolling scraping shaft.
[0026] The scraping motor 2 is a medium and low speed motor.
[0027] In practical applications, a rolling scraping shaft is installed above the top plate at the top of the vibrating sieve 3 (i.e., at the material falling point position of the feeder), and scraping plates 7 (scraping teeth) are welded on the scraping shaft; a motor base 5 and a scraping motor 2 are installed on the upper side wall of the vibrating sieve 3, and the scraping motor 2 is connected to the scraping shaft 8 to provide continuous rolling power for scraping operation. To prevent material splashing, a medium and low speed motor with sufficient power is selected for the scraping motor 2.
[0028] Four rows of scraping plates 7 are welded on the surface of the scraping shaft 8. When the vibrating sieve 3 starts, the scraping motor 2 starts at the same time. After the material falls on the scraping plates 7, the rotating scraping plates 7 cooperate with the vibrating sieve 3 to continuously convey the falling ore blocks and ore powder with moisture to the lower end of the vibrating sieve 3, thereby avoiding the accumulation of materials at the material falling point, avoiding manual cleaning of materials, further improving production efficiency and ensuring safe production.
Claims
1. A cleaning device for the feeding port of a feeder, characterized in that: It includes a scraping motor (2), a vibrating screen (3), a bearing (6), a scraping shaft (8), a scraping plate (7) and a coupling (9). The vibrating screen (3) is arranged below the discharging opening of the feeder (1). A scraping shaft (8) is arranged at the material falling point position of the feeder (1) on the vibrating screen (3). The scraping shaft (8) is arranged above the top plate (13) at the top of the vibrating screen (3). The scraping plate (7) is welded on the scraping shaft (8). The output shaft of the scraping motor (2) is connected to the scraping shaft (8) through the coupling (9) and the bearing (6). The number of the scraping plates (7) is multiple, and they are arranged in rows along the axis direction of the scraping shaft (8) on the scraping shaft (8) to form a toothed structure.
2. The blanking port cleaning device for a feeder according to claim 1, characterized in that: A motor base (5) is arranged on the upper side wall of the vibrating screen (3), and the scraping motor (2) is installed on the motor base (5).
3. The material cleaning device for the feeding port of a feeder according to claim 2, wherein: The motor base (5) has the same inclination angle as the vibrating screen (3), and a reinforcing rib plate is welded between the lower part of the motor base (5) and the vibrating screen (3).
4. The material cleaning device for the feeding port of a feeder according to claim 1, characterized in that: Bearings (6) are respectively arranged at both ends of the coupling (9), and the two bearings (6) are respectively installed on the two side walls of the vibrating screen (3). The two bearings (6) and the scraping motor (2) are installed on the same axis.
5. The material cleaning device for the feeding port of a feeder according to claim 1, characterized in that: Four rows of scraping plates (7) parallel to each other are arranged on the scraping shaft (8), and the interval between two adjacent rows of scraping plates (7) is 90 degrees.