Ladle overturning mechanism for molten silicon iron pouring

By designing a packing mechanism that collects the cigarette hood and the flow guide mechanism, the problem of difficulty in collecting the flue gas during the casting process of silicon bags is solved, effective collection of flue gas and heat preheating are achieved, and the quality of the casting process is ensured.

CN222268687UActive Publication Date: 2024-12-31SHAANXI HEYUAN NEW METALLURGICAL ELECTRIC FURNACE EQUIP CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421064760.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-16
Publication Date
2024-12-31
Estimated Expiration
2034-05-16

AI Technical Summary

Technical Problem

During the casting process of silicon bags, it is difficult to collect the flue gas on the upper part of the silicon bag, which makes it impossible to effectively collect and process the flue gas generated during casting, affecting the casting quality.

Method used

A bagging mechanism including a smoke collecting hood, a flow guide mechanism and a communication mechanism is designed to collect and preheat the smoke through a fan and a solenoid valve to ensure that particulate matter in the smoke does not enter the silicon liquid.

Benefits of technology

Effectively collect and process the flue gas during casting, avoiding the condensation of particulate matter in the flue gas and falling into the silicon liquid, ensuring the flue gas collection effect and temperature uniformity during the casting process.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222268687U_ABST
    Figure CN222268687U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of industrial silicon furnaces, and particularly discloses a ladle turning mechanism for silicon molten iron pouring, which comprises a silicon ladle, a ladle turning mechanism is arranged outside the silicon ladle, a connecting mechanism is arranged on the ladle turning mechanism, an exhaust fume collecting hood is arranged at the upper end of the connecting mechanism, a collecting cavity is arranged on the right side in the exhaust fume collecting hood, and an exhaust fan is connected to the upper end of the exhaust fume collecting hood. Flow guide mechanisms are symmetrically arranged on the front portion and the rear portion of the exhaust fume collecting hood, a first-stage communication mechanism is connected between the flow guide mechanisms and the exhaust fume collecting hood, and a second-stage communication mechanism is connected between the right side of the exhaust fan and the exhaust fume collecting hood; the ladle turning mechanism comprises a mounting frame body and a first-stage driving motor, the mounting frame body is rotationally connected to the outer side of the silicon ladle through a rotating shaft, the first-stage driving motor is fixedly connected to the lower end of the front side of the mounting frame body through a positioning bolt, and an output shaft on the rear side of the first-stage driving motor penetrates through the rotating shaft and is connected with the silicon ladle; and the exhaust fume collecting hood is arranged on the ladle overturning mechanism, so that the exhaust fume generated by overturning the poured silicon ladle can be collected.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model belongs to the technical field of industrial silicon furnaces, and in particular relates to a bag turning mechanism for pouring molten ferrosilicon. Background Art

[0002] Under normal circumstances, after the silicon ladle receives the silicon liquid, it is pulled out to the casting workshop by a silicon ladle car, and the silicon ladle is lifted by a metallurgical crane to cast the ingot mold. When the ladle is hung for casting, there are gantry hooks, main hooks and wire ropes of the metallurgical crane, and auxiliary hooks and wire ropes on the upper part of the silicon ladle. It is not easy to set up a smoke hood when pouring the silicon ladle, resulting in the inability to collect the smoke generated during the pouring. Utility Model Content

[0003] The utility model aims to provide a bag turning mechanism for ferrosilicon water casting to solve the problems raised in the above-mentioned background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A bag turning mechanism for ferrosilicon casting, comprising a silicon bag, a bag turning mechanism is arranged outside the silicon bag, a connecting mechanism is arranged on the bag turning mechanism, a smoke collecting hood is arranged on the upper end of the connecting mechanism, a collecting cavity is arranged on the right side of the inside of the smoke collecting hood, an exhaust fan is connected to the upper end of the smoke collecting hood, a flow guiding mechanism is symmetrically arranged front and back on the smoke collecting hood, a primary connecting mechanism is connected between the flow guiding mechanism and the smoke collecting hood, and a secondary connecting mechanism is connected between the right side of the exhaust fan and the smoke collecting hood;

[0006] The bag turning mechanism includes a mounting frame and a primary drive motor, wherein the mounting frame is rotatably connected to the outside of the silicon bag via a rotating shaft, the primary drive motor is fixedly connected to the lower end of the front side of the mounting frame via a positioning bolt, the output shaft at the rear side of the primary drive motor passes through the rotating shaft and is connected to the silicon bag, and the front side of the mounting frame is connected to a PLC controller;

[0007] The connecting mechanism includes a connecting plate, a transverse plate, a secondary drive motor, a drive screw, a positioning plate, a threaded hole, a fixed frame plate, an assembly plate, a primary connection slot and a secondary connection slot, wherein the connecting plate is connected to the middle of the upper end of the mounting frame, the transverse plate is connected to the upper right end of the mounting frame, the secondary drive motor is fixedly connected to the upper end of the transverse plate by a positioning bolt, the right end of the drive screw is connected to the output end of the left side of the secondary drive motor, the fixed frame plate is sleeved on the outer wall of the connecting plate, the assembly plate is connected to the upper end of the fixed frame plate, and the assembly The upper end of the plate is connected to the smoke hood, the primary connection slot is arranged on the right side of the fixed frame plate, and the left side of the primary connection slot is communicated with the inner cavity of the fixed frame plate, the secondary connection slot is arranged in the connecting plate, and the secondary connection slot passes through the connecting plate on the left and right, the positioning plate is arranged in the primary connection slot, and the left end of the positioning plate passes through the primary connection slot and is engaged in the secondary connection slot, the right side of the positioning plate passes through the primary connection slot, the threaded hole is arranged in the middle of the right side of the positioning plate, and the left end of the driving screw is threadedly connected in the threaded hole;

[0008] The flow guiding mechanism comprises a flow guiding cavity and a flow guiding port, wherein the flow guiding cavity is symmetrically arranged on both sides of the interior of the smoke collecting hood, and the flow guiding port is symmetrically arranged on both sides of the front and rear of the bottom of the smoke collecting hood, and the top of the flow guiding port is connected to the flow guiding cavity;

[0009] The primary connecting mechanism includes a primary conduit, a tertiary conduit and a primary solenoid valve. The primary conduit is symmetrically connected to the two sides of the upper end of the smoke hood in front and back, the tertiary conduit is connected to the left side of the exhaust fan, and the left end of the tertiary conduit is connected to the two primary conduits. The primary solenoid valve is arranged on the tertiary conduit to realize the heat collection function, thereby cooperating with the flow guide mechanism to preheat the front and rear sides of the smoke hood.

[0010] The secondary connecting mechanism includes a secondary duct and a secondary solenoid valve. The secondary duct is connected to the right side of the exhaust fan, and the other end of the secondary duct is connected to the smoke hood to realize the smoke collection function.

[0011] Preferably, the PLC controller is electrically connected to the primary solenoid valve, the secondary solenoid valve, the primary drive motor and the secondary drive motor, respectively, so as to facilitate control of the primary solenoid valve, the secondary solenoid valve, the primary drive motor and the secondary drive motor through the PLC controller.

[0012] Preferably, a blocking net is provided inside the guide port and inside the end of the secondary duct away from the exhaust fan, which has a certain blocking effect and prevents particulate matter in the flue gas from entering the secondary duct, the guide port and the guide cavity.

[0013] Preferably, a gap is left between the assembly plate and the blocking net to prevent the assembly plate from affecting the heat from passing through the blocking net into the guide port and the guide cavity.

[0014] Preferably, a sealing door is provided on the front side of the upper end of the smoke collecting hood. After the collection is completed, the sealing door is opened to collect and process the particulate matter in the collection cavity.

[0015] Preferably, the bottom end of the first-stage conduit is connected to the guide cavity, and the bottom end of the tertiary conduit is connected to the collection cavity, so as to ensure the collection effect of heat and smoke.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows: when the utility model is in use, the smoke of the poured silicon bag is collected through the smoke collecting hood, and before the smoke is collected, the heat at the upper end of the silicon bag is collected through the guide mechanism and the primary connecting mechanism, and the heat is transferred to the front and rear sides of the smoke collecting hood to preheat the front and rear sides of the smoke collecting hood, thereby avoiding uneven heating of the front and rear sides of the smoke collecting hood and contact with the smoke generated during pouring, resulting in a large temperature difference, causing the particulate matter in the smoke to condense and fall into the silicon liquid, thereby ensuring the smoke collection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The figure is a schematic diagram of the overall structure of a bag turning mechanism for ferrosilicon water casting.

[0018] Figure 2 The figure is a schematic diagram of the flow-guiding cavity of a bag-turning mechanism for ferrosilicon water casting.

[0019] Figure 3 The present invention is a schematic diagram of the connecting plate of a bag turning mechanism for ferrosilicon liquid casting.

[0020] Figure 4 The present invention is a schematic cross-sectional view of a smoke collecting hood of a bag turning mechanism for ferrosilicon liquid casting.

[0021] Figure 5 The present invention is a schematic cross-sectional diagram of a fixed frame plate of a bag turning mechanism for ferrosilicon liquid casting.

[0022] In the figure: 1. Silicon bag; 2. Smoke hood; 3. Collecting cavity; 4. Exhaust fan; 5. Mounting frame; 6. Primary drive motor; 7. PLC controller; 8. Connecting plate; 9. Horizontal plate; 10. Secondary drive motor; 11. Driving screw rod; 12. Positioning plate; 13. Threaded hole; 14. Fixed frame plate; 15. Assembly plate; 16. Primary connecting notch; 17. Secondary connecting notch; 18. Diversion cavity; 19. Diversion port; 20. Primary duct; 21. Tertiary duct; 22. Primary solenoid valve; 23. Secondary duct; 24. Secondary solenoid valve; 25. Blocking net; 26. Sealing door. DETAILED DESCRIPTION

[0023] Example 1

[0024] See also Figure 1-Figure 5As shown, a bag turning mechanism for ferrosilicon casting comprises a silicon bag 1, a bag turning mechanism is arranged outside the silicon bag 1, a connecting mechanism is arranged on the bag turning mechanism, a smoke collecting hood 2 is arranged on the upper end of the connecting mechanism, a collecting cavity 3 is arranged on the right side inside the smoke collecting hood 2, an exhaust fan 4 is connected to the upper end of the smoke collecting hood 2, a flow guiding mechanism is symmetrically arranged front and back on the smoke collecting hood 2, a primary connecting mechanism is connected between the flow guiding mechanism and the smoke collecting hood 2, and a secondary connecting mechanism is connected between the right side of the exhaust fan 4 and the smoke collecting hood 2;

[0025] The bag turning mechanism includes a mounting frame 5 and a primary drive motor 6. The mounting frame 5 is rotatably connected to the outside of the silicon bag 1 through a rotating shaft. The primary drive motor 6 is fixedly connected to the lower end of the front side of the mounting frame 5 through a positioning bolt. The output shaft at the rear side of the primary drive motor 6 passes through the rotating shaft and is connected to the silicon bag 1. The front side of the mounting frame 5 is connected to a PLC controller 7.

[0026] The connecting mechanism includes a connecting plate 8, a transverse plate 9, a secondary drive motor 10, a drive screw 11, a positioning plate 12, a threaded hole 13, a fixed frame plate 14, an assembly plate 15, a primary connection slot 16 and a secondary connection slot 17. The connecting plate 8 is connected to the middle of the upper end of the mounting frame 5, the transverse plate 9 is connected to the upper right end of the mounting frame 5, the secondary drive motor 10 is fixedly connected to the upper end of the transverse plate 9 by a positioning bolt, the right end of the drive screw 11 is connected to the output end of the left side of the secondary drive motor 10, the fixed frame plate 14 is sleeved on the outer wall of the connecting plate 8, the assembly plate 15 is connected to the upper end of the fixed frame plate 14, and the assembly The upper end of the plate 15 is connected to the smoke hood 2, the primary connection slot 16 is provided on the right side of the fixed frame plate 14, and the left side of the primary connection slot 16 is communicated with the inner cavity of the fixed frame plate 14, the secondary connection slot 17 is provided in the connecting plate 8, and the secondary connection slot 17 penetrates the connecting plate 8 from left to right, the positioning plate 12 is provided in the primary connection slot 16, and the left end of the positioning plate 12 penetrates the primary connection slot 16 and is engaged in the secondary connection slot 17, the right side of the positioning plate 12 penetrates the primary connection slot 16, the threaded hole 13 is provided in the middle of the right side of the positioning plate 12, and the left end of the driving screw 11 is threadedly connected to the threaded hole 13;

[0027] The flow guiding mechanism includes a flow guiding cavity 18 and a flow guiding port 19. The flow guiding cavity 18 is symmetrically arranged on both sides of the interior of the smoke collecting hood 2. The flow guiding port 19 is symmetrically arranged on both sides of the bottom of the smoke collecting hood 2 at equal distances. The top of the flow guiding port 19 is connected to the flow guiding cavity 18.

[0028] The primary connecting mechanism includes a primary conduit 20, a tertiary conduit 21 and a primary solenoid valve 22. The primary conduit 20 is symmetrically connected to both sides of the upper end of the smoke hood 2, and the tertiary conduit 21 is connected to the left side of the exhaust fan 4. The left end of the tertiary conduit 21 is connected to the two primary conduits 20. The primary solenoid valve 22 is arranged on the tertiary conduit 21 to realize the heat collection function, thereby cooperating with the flow guide mechanism to preheat the front and rear sides of the smoke hood 2.

[0029] The secondary connecting mechanism includes a secondary conduit 23 and a secondary solenoid valve 24. The secondary conduit 23 is connected to the right side of the exhaust fan 4, and the other end of the secondary conduit 23 is connected to the smoke hood 2 to realize the smoke collection function.

[0030] refer to Figure 1-Figure 4 As shown, the PLC controller 7 is electrically connected to the primary solenoid valve 22, the secondary solenoid valve 24, the primary drive motor 6 and the secondary drive motor 10 respectively, so as to facilitate the control of the primary solenoid valve 22, the secondary solenoid valve 24, the primary drive motor 6 and the secondary drive motor 10 through the PLC controller.

[0031] refer to Figure 2 As shown, a blocking net 25 is provided inside the guide port 19 and inside the end of the secondary duct 23 away from the exhaust fan 4, which has a certain blocking effect and prevents particulate matter in the smoke from easily entering the secondary duct 23, the guide port 19 and the guide cavity 18.

[0032] refer to Figure 2 As shown, a gap is left between the assembly plate 15 and the blocking net 25 to prevent the assembly plate 15 from affecting the heat from passing through the blocking net 25 into the guide port 19 and the guide cavity 18 .

[0033] refer to Figure 1 and Figure 2 As shown, a sealing door 26 is provided at the front side of the upper end of the smoke collecting hood 2. After the collection is completed, the sealing door 26 is opened to collect and process the particulate matter in the collection cavity 3.

[0034] refer to Figure 1 , Figure 2 and Figure 4 As shown, the bottom end of the primary conduit 20 is connected to the guide cavity 18, and the bottom end of the tertiary conduit 21 is connected to the collection cavity 3, thereby ensuring the collection effect of heat and smoke.

[0035] Working principle: After the silicon bag 1 is transported to the pouring position, the smoke hood 2 is lowered until the connecting plate 8 is engaged in the fixed frame plate 14, and the secondary drive motor 10 is started by the PLC controller 7 to drive the driving screw 11 to rotate, and the positioning plate 12 is moved to the left in cooperation with the threaded hole 13, until the left end of the positioning plate 12 is engaged in the secondary connection slot 17, and the connection between the smoke hood 2 and the mounting frame 5 is completed. The exhaust fan 4 and the primary solenoid valve 22 are started by the PLC controller 7, and the exhaust fan 4 moves the upper end of the silicon bag 1 The heat is collected, and the front and rear sides of the smoke hood 2 are preheated through the guide port 19 and the guide cavity 18. When the silicon bag 1 needs to be dumped and poured, the PLC controller 7 controls the first-level drive motor 6 and the second-level solenoid valve 24 to open and the first-level solenoid valve 22 to close. The output shaft of the first-level drive motor 6 causes the silicon bag 1 to dump, and the exhaust fan 4 collects the smoke generated when the silicon bag 1 is dumped into the collection cavity 3 of the smoke hood 2. After the collection is completed, the sealing door 26 is opened to collect and process the particulate matter in the collection cavity 3.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bag turning mechanism for ferrosilicon water casting, comprising a silicon bag (1), characterized in that: The silicon bag (1) is provided with a bag turning mechanism on the outside, a connecting mechanism is provided on the bag turning mechanism, a smoke collecting hood (2) is provided on the upper end of the connecting mechanism, the right side of the inside of the smoke collecting hood (2) is provided as a collecting cavity (3), an exhaust fan (4) is connected to the upper end of the smoke collecting hood (2), a flow guiding mechanism is symmetrically provided at the front and rear of the smoke collecting hood (2), a primary connecting mechanism is connected between the flow guiding mechanism and the smoke collecting hood (2), and a secondary connecting mechanism is connected between the right side of the exhaust fan (4) and the smoke collecting hood (2); The bag turning mechanism comprises a mounting frame (5) and a primary drive motor (6), wherein the mounting frame (5) is rotatably connected to the outside of the silicon bag (1) via a rotating shaft, the primary drive motor (6) is fixedly connected to the lower end of the front side of the mounting frame (5) via a positioning bolt, the output shaft on the rear side of the primary drive motor (6) passes through the rotating shaft and is connected to the silicon bag (1), and the front side of the mounting frame (5) is connected to a PLC controller (7); The connecting mechanism comprises a connecting plate (8), a transverse plate (9), a secondary drive motor (10), a drive screw (11), a positioning plate (12), a threaded hole (13), a fixed frame plate (14), an assembly plate (15), a primary connection slot (16) and a secondary connection slot (17), wherein the connecting plate (8) is connected to the middle of the upper end of the mounting frame (5), the transverse plate (9) is connected to the upper right end of the mounting frame (5), the secondary drive motor (10) is fixedly connected to the upper end of the transverse plate (9) by a positioning bolt, the right end of the drive screw (11) is connected to the output end of the left side of the secondary drive motor (10), the fixed frame plate (14) is sleeved on the outer wall of the connecting plate (8), the assembly plate (15) is connected to the upper end of the fixed frame plate (14), and the assembly plate The upper end of the component (15) is connected to the smoke hood (2), the first-level connecting slot (16) is arranged on the right side of the fixed frame plate (14), and the left side of the first-level connecting slot (16) is communicated with the inner cavity of the fixed frame plate (14), the second-level connecting slot (17) is arranged in the connecting plate component (8), and the second-level connecting slot (17) passes through the connecting plate component (8) from left to right, the positioning plate component (12) is arranged in the first-level connecting slot (16), and the left end of the positioning plate component (12) passes through the first-level connecting slot (16) and is engaged in the second-level connecting slot (17), the right side of the positioning plate component (12) passes through the first-level connecting slot (16), the threaded hole (13) is arranged in the middle of the right side of the positioning plate component (12), and the left end of the driving screw rod (11) is threadedly connected to the threaded hole (13); The flow guiding mechanism comprises a flow guiding cavity (18) and a flow guiding port (19), wherein the flow guiding cavity (18) is symmetrically arranged on both sides of the interior of the smoke collecting hood (2) in a front-to-back manner, and the flow guiding port (19) is symmetrically arranged on both sides of the bottom of the smoke collecting hood (2) in a symmetrical manner in a front-to-back manner, and the top of the flow guiding port (19) is in communication with the flow guiding cavity (18); The primary communication mechanism comprises a primary duct (20), a tertiary duct (21) and a primary solenoid valve (22); the primary duct (20) is symmetrically connected to both sides of the upper end of the smoke hood (2) in front and back directions; the tertiary duct (21) is connected to the left side of the exhaust fan (4); and the left end of the tertiary duct (21) is connected to the two primary ducts (20); and the primary solenoid valve (22) is arranged on the tertiary duct (21); The secondary communication mechanism comprises a secondary duct (23) and a secondary solenoid valve (24); the secondary duct (23) is connected to the right side of the exhaust fan (4); and the other end of the secondary duct (23) is connected to the smoke hood (2).

2. A bag turning mechanism for ferrosilicon water pouring according to claim 1, characterized in that: The PLC controller (7) is electrically connected to the primary solenoid valve (22), the secondary solenoid valve (24), the primary drive motor (6) and the secondary drive motor (10) respectively.

3. A bag turning mechanism for ferrosilicon water pouring according to claim 1, characterized in that: A blocking net (25) is provided inside the guide port (19) and inside the end of the secondary conduit (23) away from the exhaust fan (4).

4. A bag turning mechanism for ferrosilicon water casting according to claim 3, characterized in that: A gap is left between the assembly plate (15) and the blocking net (25).

5. The bag turning mechanism for ferrosilicon water casting according to claim 1, characterized in that: A sealing door (26) is provided on the front side of the upper end of the smoke collecting hood (2).

6. A bag turning mechanism for ferrosilicon water pouring according to claim 1, characterized in that: The bottom end of the primary conduit (20) is connected to the guide cavity (18), and the bottom end of the tertiary conduit (21) is connected to the collection cavity (3).