Preparation structure of acid pellets

Abstract

The utility model relates to the technical field of blast furnace burden, in particular to a preparation structure of acid pellets. According to the technical scheme, the device comprises a base, a tank body and a shell, a fixing frame is welded to the top end face of the base, a connecting plate is embedded into the side end face of the shell, a screen is welded to the inner wall of the shell, second connecting frames are welded to the two ends of the outer surface of the shell, and the ends, away from the shell, of the second connecting frames are welded in the fixing frame; a partition plate is welded to the top end face of the screen, a vibration motor is installed on the bottom end face of the screen, a feeding pipe is fixedly embedded into the top end face of the shell, a second driving motor is installed on the rear end face of the feeding pipe, a second smashing wheel is welded to an output shaft of the second driving motor, and a first driving motor is installed on the top end face of the tank body; a stirring rod is welded on an output shaft of the driving motor I through a rotating shaft. The blast furnace burden preparation device meets the requirement of blast furnace burden preparation, can crush the burden to keep uniform size during preparation, and can perform mixed preparation.

Description

Technical Field

[0001] The utility model relates to the technical field of blast furnace charge materials, in particular to a preparation structure of acidic pellet ore. Background Art

[0002] The movement of blast furnace charge refers to the movement of fuel added from the top of the blast furnace in the furnace during the blast furnace ironmaking process, and the blast furnace adopts a charge structure of "high basicity sintered ore + pellet ore + natural lump ore".

[0003] After searching, the patent announcement number CN216585050U discloses a blast furnace charge buffer and material distribution device, which includes a bottom plate, a side plate, an intermediate plate, a support plate and a connecting plate, the side plate is arranged on the top surface of the bottom plate, the length of the side plate extends along the length direction of the bottom plate, a first space for accommodating the charge is provided between the two side plates, the intermediate plate is arranged on the bottom plate, a plurality of the support plates are provided and arranged between the two intermediate plates, and the connecting plate is arranged between the intermediate plate and the side plate close to the intermediate plate; the utility model is installed in the middle part of the lower end of the head material storage, the charge first falls onto the buffer and material distribution device, the charge hits the intermediate plate, the support plate and the connecting plate during the falling process and is dispersed, and forms a buffer for the falling process, reducing the impact force of the charge when it falls, and then falls into the multiple separate spaces, multiple connecting plates and support plates separate the charge while also strengthening the intermediate plate to improve stability.

[0004] In the prior art, CN216585050U separates the charge with multiple connecting plates and supporting plates, and also strengthens the middle plate to improve stability. However, the charge needs to be mixed in proportion when in use so that it can be loaded at the same time later. When loading, the charge also needs to be of the same size to prevent the different sizes from affecting production and processing. Utility Model Content

[0005] The purpose of the utility model is to provide a preparation structure of acidic pellets to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a preparation structure of acidic pellets, comprising a base, a tank body and an outer shell, the top surface of the base is welded with a fixing frame, the side end surface of the outer shell is embedded with a connecting plate, and the inner wall of the outer shell is welded with a screen, the top surface of the screen is welded with a partition, and the bottom end surface of the screen is installed with a vibration motor, the top surface of the outer shell is embedded with a feed pipe, the rear end surface of the feed pipe is installed with a drive motor 2, and a crushing wheel 2 is welded on the output shaft of the drive motor 2, the top surface of the tank body is installed with a drive motor 1, and a stirring rod is welded on the output shaft of the drive motor 1 through a rotating shaft.

[0007] Preferably, two connecting frames are welded at both ends of the outer surface of the shell, and one end of the connecting frame away from the shell is welded in the fixing frame. The shell is installed and fixed by welding one end of the connecting frame away from the shell in the fixing frame.

[0008] Preferably, a support block is welded to the bottom end surface of the base, and there are four support blocks in total, and the four support blocks are distributed in a rectangular array relative to the base. The base can be installed and supported by the support blocks.

[0009] Preferably, the inner wall of the feed pipe is sleeved with a connecting shaft, and a crushing wheel 1 is welded on the connecting shaft. By welding the crushing wheel 1 on the connecting shaft, personnel can inject the furnace charge required for the blast furnace, such as high-basicity sintered ore + pellet ore + natural lump ore and acidic pellet ore, into the outer shell through the feed pipe. During the injection, the personnel can turn on the driving motor 2 to drive the crushing wheel 2 to rotate and cooperate with the crushing wheel 1 to break the ore.

[0010] Preferably, a discharge pipe 2 is embedded and fixed on the top surface of the tank body, and one end of the discharge pipe 2 away from the tank body is embedded and fixed in the shell. By embedding and fixing one end of the discharge pipe 2 away from the tank body in the shell, the charge ore used in the blast furnace after crushing and screening can be discharged into the tank body through the discharge pipe 2.

[0011] Preferably, a connecting frame 1 is welded to the side end of the outer surface of the tank body, and the end of the connecting frame 1 away from the tank body is welded in the fixing frame. The tank body is installed and fixed by welding the end of the connecting frame 1 away from the tank body in the fixing frame.

[0012] Preferably, a discharge pipe 1 is embedded and fixed on the bottom end surface of the tank body, and a valve is installed on the discharge pipe 1 through a flange. The discharge pipe 1 is embedded and fixed on the bottom end surface of the tank body, so that after the ore after screening and crushing is injected into the tank body, the personnel can turn on the driving motor 1 to drive the stirring rod on the rotating shaft to rotate, and the ore can be mixed during the rotation, so as to prepare the ore furnace charge and the acidic pellet ore to meet the use of the blast furnace charge in the later stage.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model sets an outer shell. When personnel prepare acidic pellets needed for blast furnace charge, a crushing wheel 1 is welded on the connecting shaft, so that personnel can inject the charge needed for the blast furnace, such as high-alkalinity sintered ore + pellets + natural block ore and acidic pellets, into the outer shell through the feeding pipe. During the injection, the personnel can turn on the driving motor 2 to drive the crushing wheel 2 to rotate and cooperate with the crushing wheel 1 to crush the ore. After crushing, the material is discharged through the screen for position limiting. When the position is limited, the personnel can turn on the vibration motor to drive the screen to vibrate and screen the ore, so that larger particles of ore are limited by the partition and moved to fall on the connecting plate for discharge, which is convenient for re-collection and crushing, thereby preventing ores of different sizes from affecting the use of the blast furnace.

[0015] 2. The utility model provides a tank body. When personnel prepare acidic pellets needed for blast furnace charge, a discharge pipe 1 is embedded and fixed through the bottom end face of the tank body. After the ore after screening and crushing is injected into the tank body, the personnel can turn on the driving motor 1 to drive the stirring rod on the rotating shaft to rotate. The ore can be mixed during rotation, thereby preparing ore charge and acidic pellets to meet the use of blast furnace charge in the later stage. The valve can be opened to discharge through the discharge pipe 1, thereby mixing and preparing, so that the materials can be fed together for production and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main internal structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the main appearance structure of the utility model;

[0018] Figure 3 It is a rear view structural schematic diagram of the utility model.

[0019] In the figure: 1. support block; 2. base; 3. discharge pipe 1; 4. discharge pipe 2; 5. rotating shaft; 6. stirring rod; 7. tank body; 8. driving motor 1; 9. partition; 10. vibration motor; 11. screen; 12. connecting frame 1; 13. fixing frame; 14. outer shell; 15. connecting frame 2; 16. feeding pipe; 17. crushing wheel 1; 18. connecting shaft; 19. crushing wheel 2; 20. connecting plate; 21. driving motor 2. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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] Embodiment 1

[0022] like Figure 1-3 As shown, a preparation structure of acidic pellet ore proposed by the utility model includes a base 2, a tank body 7 and an outer shell 14, a fixing frame 13 is welded to the top end surface of the base 2, a connecting plate 20 is embedded in the side end surface of the outer shell 14, a screen 11 is welded to the inner wall of the outer shell 14, a partition 9 is welded to the top end surface of the screen 11, and a vibration motor 10 is installed on the bottom end surface of the screen 11, a feed pipe 16 is embedded and fixed on the top end surface of the outer shell 14, a drive motor 21 is installed on the rear end surface of the feed pipe 16, and a crushing wheel 2 19 is welded on the output shaft of the drive motor 21.

[0023] The outer surfaces of the shell 14 are both welded with connecting frames 15, and the end of the connecting frame 15 facing away from the shell 14 is welded in the fixing frame 13, so that the shell 14 is installed and fixed.

[0024] A support block 1 is welded to the bottom end surface of the base 2 . There are four support blocks 1 in total, and the four support blocks 1 are distributed in a rectangular array relative to the base 2 . The base 2 can be installed and supported by the support blocks 1 .

[0025] The inner wall of the feed pipe 16 is sleeved with a connecting shaft 18, and a crushing wheel 17 is welded on the connecting shaft 18. Through the crushing wheel 17 welded on the connecting shaft 18, personnel can inject the charge needed for the blast furnace, such as high-basicity sintered ore + pellet ore + natural lump ore and acidic pellet ore, into the outer shell 14 through the feed pipe 16. During the injection, the personnel can turn on the drive motor 21 to drive the crushing wheel 19 to rotate and cooperate with the crushing wheel 17 to crush the ore.

[0026] A driving motor 8 is installed on the top surface of the tank body 7, and a stirring rod 6 is welded to the output shaft of the driving motor 8 through the rotating shaft 5.

[0027] Based on Example 1: When personnel prepare acidic pellets needed for blast furnace charge, a crushing wheel 17 is welded on the connecting shaft 18, so that personnel can inject the charge needed for the blast furnace, such as high-alkalinity sintered ore + pellets + natural block ore and acidic pellets, into the outer shell 14 through the feeding pipe 16. During the injection, the personnel can turn on the driving motor 21 to drive the crushing wheel 2 19 to rotate and cooperate with the crushing wheel 17 to break the ore. After breaking, the material is discharged and limited by the screen 11. When limited, the personnel can turn on the vibration motor 10 to drive the screen 11 to vibrate and screen the ore, so that larger particles of ore are limited by the partition 9 and move to fall on the connecting plate 20 for discharge, which is convenient for collection and crushing again, thereby preventing ores of different sizes from affecting the use of the blast furnace.

[0028] Embodiment 2

[0029] like Figure 1-3 As shown, a preparation structure of acidic pellets proposed by the utility model, compared with the first embodiment, this embodiment also includes: a base 2, a tank body 7 and an outer shell 14, the top end surface of the base 2 is welded with a fixing frame 13, the side end surface of the outer shell 14 is embedded with a connecting plate 20, and the inner wall of the outer shell 14 is welded with a screen 11, the top end surface of the screen 11 is welded with a partition 9, and the bottom end surface of the screen 11 is installed with a vibration motor 10, the top end surface of the outer shell 14 is embedded and fixed with a feed pipe 16, the rear end surface of the feed pipe 16 is installed with a drive motor 21, and a crushing wheel 2 19 is welded on the output shaft of the drive motor 21.

[0030] A discharge pipe 24 is embedded and fixed on the top surface of the tank body 7, and the end of the discharge pipe 24 facing away from the tank body 7 is embedded and fixed in the outer shell 14. By embedding and fixing the end of the discharge pipe 24 facing away from the tank body 7 in the outer shell 14, the charge ore used in the blast furnace after crushing and screening can be discharged into the tank body 7 through the discharge pipe 24.

[0031] A connecting frame 12 is welded to the side end of the outer surface of the tank body 7, and the end of the connecting frame 12 facing away from the tank body 7 is welded in the fixing frame 13, so that the tank body 7 is installed and fixed.

[0032] A discharge pipe 3 is embedded and fixed on the bottom end surface of the tank body 7, and a valve is installed on the discharge pipe 3 through a flange. After the ore after screening and crushing is injected into the tank body 7, the personnel can turn on the drive motor 8 to drive the stirring rod 6 on the rotating shaft 5 to rotate. The ore can be mixed during rotation, thereby preparing ore charge and acidic pellet ore to meet the use of blast furnace charge in the later stage, and the valve can be opened to discharge the prepared charge for easy use.

[0033] A driving motor 8 is installed on the top surface of the tank body 7, and a stirring rod 6 is welded to the output shaft of the driving motor 8 through the rotating shaft 5.

[0034] Based on Example 2: When personnel prepare acidic pellets needed for blast furnace charge, a discharge pipe 3 is embedded and fixed through the bottom end surface of the tank body 7, so that the ore after screening and crushing is injected into the tank body 7, and then the personnel can turn on the drive motor 8 to drive the stirring rod 6 on the rotating shaft 5 to rotate, and the ore can be mixed during rotation, thereby preparing the ore charge and the acidic pellets to meet the use of the blast furnace charge in the later stage, and the valve can be opened to discharge through the discharge pipe 3, thereby mixing and preparing, so that the materials can be fed together for production and use.

[0035] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A preparation structure for acidic pellets, comprising a base (2), a tank (7) and a shell (14), characterized in that: A fixing frame (13) is welded to the top end surface of the base (2), a connecting plate (20) is embedded in the side end surface of the shell (14), a screen (11) is welded to the inner wall of the shell (14), a partition (9) is welded to the top end surface of the screen (11), and a vibration motor (10) is installed on the bottom end surface of the screen (11), a feed pipe (16) is embedded and fixed to the top end surface of the shell (14), a drive motor 2 (21) is installed on the rear end surface of the feed pipe (16), and a crushing wheel 2 (19) is welded to the output shaft of the drive motor 2 (21), and a drive motor 1 (8) is installed on the top end surface of the tank body (7), and a stirring rod (6) is welded to the output shaft of the drive motor 1 (8) through a rotating shaft (5).

2. The preparation structure of an acidic pellet according to claim 1, characterized in that: Two connecting frames (15) are welded to both ends of the outer surface of the shell (14), and one end of the connecting frame (15) facing away from the shell (14) is welded inside the fixing frame (13).

3. The preparation structure of an acidic pellet according to claim 1, characterized in that: A support block (1) is welded to the bottom end surface of the base (2), and there are four support blocks (1) in total, and the four support blocks (1) are distributed in a rectangular array relative to the base (2).

4. The preparation structure of an acidic pellet according to claim 1, characterized in that: The inner wall of the feed pipe (16) is sleeved with a connecting shaft (18), and a crushing wheel (17) is welded on the connecting shaft (18).

5. The preparation structure of an acidic pellet according to claim 1, characterized in that: A second discharge pipe (4) is embedded and fixed on the top surface of the tank body (7), and an end of the second discharge pipe (4) facing away from the tank body (7) is embedded and fixed in the outer shell (14).

6. The preparation structure of an acidic pellet according to claim 1, characterized in that: A connecting frame (12) is welded to the side end of the outer surface of the tank body (7), and the end of the connecting frame (12) facing away from the tank body (7) is welded in the fixing frame (13).

7. The preparation structure of an acidic pellet according to claim 1, characterized in that: A discharge pipe (3) is embedded and fixed on the bottom end surface of the tank body (7), and a valve is installed on the discharge pipe (3) via a flange.

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