Ladle catalyst adding mechanism

Abstract

The utility model relates to the technical field of smelting equipment, in particular to a ladle catalyst adding mechanism. The hot metal ladle feeding device comprises a feeding mechanism and a hot metal ladle distributed beside the feeding mechanism, a standing high platform is arranged close to one side, away from the hot metal ladle, of the feeding mechanism, the feeding mechanism comprises a feeding pipe of an inclined structure, the inclined high end of the feeding pipe serves as a feeding port, and the inclined low end of the feeding pipe serves as a discharging port. The vertical height of the discharge hole in a normal state is higher than that of the open end of the ladle; the feeding pipe can do rotary motion around the vertical axis, the motion trail of the discharging port is an annular trail, and the annular trail intersects with the position over the opening end of the ladle. The main body structure is slightly influenced by the high temperature of the ladle, so that the whole adding mechanism is long in service life and convenient to maintain.

Description

Technical Field

[0001] The utility model relates to the technical field of smelting equipment, in particular to a catalyst adding mechanism for a molten iron ladle. Background Art

[0002] Ladle is commonly used for casting operations in foundries. It receives molten iron in front of the furnace and is then transported by a crane to the mold for casting.

[0003] After receiving the molten iron, the ladle also needs to add a catalyst. In the prior art, the catalyst is often added manually. Since the temperature of the molten iron is too high, workers have to face high-temperature baking when adding the catalyst, which not only endangers the workers' health but also poses certain safety hazards. In the prior art, there are also devices for adding materials to the ladle, such as the one described in the Chinese patent publication number CN212451487U entitled "A Ladle Feeding Device," which has a track that gradually tilts toward the top opening of the ladle and a turtle car that moves along the track. The turtle car is driven by a traction mechanism to move upward along the track. When it climbs to a certain height, the crushed material in the turtle car is dumped into the ladle. Although the feeding device in the cited patent can add catalyst directly to the ladle without manual labor, the upper end section of its track needs to be placed directly above the ladle for a long time. This not only affects the crane lifting the ladle, but the track is also exposed to the long-term high temperature of the ladle, which is prone to deformation and damage, affecting the climbing of the turtle car. The track, as the overall framework of the device, is difficult to disassemble and replace. In addition, the feeding device in the cited patent adopts a pouring method from directly above the ladle toward the top opening of the ladle. This feeding method not only makes it impossible to accurately add the catalyst to the ladle, but also causes the iron liquid to splash due to the catalyst falling from a high altitude into the ladle. This poses certain safety hazards and needs to be addressed urgently. Utility Model Content

[0004] In order to avoid and overcome the technical problems existing in the prior art, the utility model provides a catalyst adding mechanism for a molten iron ladle, the main structure of which is less affected by the high temperature of the molten iron ladle, so that the overall service life of the adding mechanism is long and easy to maintain.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A catalyst adding mechanism for a molten iron ladle comprises a feeding mechanism and a molten iron ladle distributed beside the feeding mechanism, a standing platform is arranged adjacent to a side of the feeding mechanism away from the molten iron ladle, the feeding mechanism comprises a feeding pipe with an inclined structure, the inclined high end of the feeding pipe serves as a feed port, the inclined low end serves as a discharge port, and the vertical height of the discharge port under normal conditions is higher than the vertical height of the open end of the molten iron ladle; the feeding pipe can rotate around a vertical axis, and the motion trajectory of the discharge port is a circular trajectory, and the circular trajectory intersects with the top of the open end of the molten iron ladle.

[0007] As a further solution of the present invention: the feeding pipe can also perform lifting movement along the vertical axis, so as to move downward and be inserted into the inner cavity of the ladle when the discharge port moves to just above the opening end of the ladle.

[0008] As a further solution of the present invention: the discharge port section and the feed port section of the feeding pipe are bent downward and upward respectively, and the axes of the feed port section and the discharge port section are both vertically distributed, and the vertical axis of rotation of the feeding pipe is coaxial with the axis of the feed port section.

[0009] As a further solution of the present invention: the feeding mechanism also includes a frame body, a lifting cylinder is installed at the bottom of the frame body, a rotating cylinder is installed at the lifting end of the lifting cylinder, and the rotating axis of the rotating cylinder is coaxially fixed directly below the feed port section of the feeding pipe.

[0010] As a further solution of the present invention: a feed hopper coaxially arranged with the feed port is fixed on the top of the frame body, the feed port section of the feeding pipe is coaxially rotated with a rotary joint, and a high-temperature resistant telescopic dust-proof cover is connected between the rotary joint and the outlet end of the feed hopper.

[0011] As a further solution of the present invention: a vertically distributed SBR guide rail is fixedly connected to the frame body, a dustproof slide is sliding on the SBR guide rail, a dustproof and heat-insulating cover is fixed on the dustproof slide, the rotating cylinder is installed in the dustproof and heat-insulating cover, and the lifting end of the lifting cylinder is fixedly connected to the dustproof and heat-insulating cover.

[0012] As a further solution of the present invention: a descending oil pressure buffer for descent of the dustproof slide is fixedly connected to the frame body, and the lifting end of the lifting cylinder is connected to the dustproof and heat-insulating cover through a floating joint.

[0013] As a further solution of the present invention: a dustproof and heat-insulating box is fixedly connected to the frame body, and the lifting cylinder is installed in the dustproof and heat-insulating box.

[0014] As a further solution of the present invention: a rotary oil pressure buffer for positioning and buffering the rotation angle of the feeding pipe is fixed on the frame body.

[0015] As a further solution of the utility model: it also includes a positioning seat, and a positioning baffle for locating the placement position of the molten iron ladle is fixedly connected to the positioning seat.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. The molten iron ladle, feeding mechanism, and standing platform are arranged in sequence along the horizontal axis. The standing platform allows workers to stand at a height to feed catalyst into the feeding mechanism. Furthermore, the standing platform is further away from the ladle than the feeding mechanism, effectively reducing the impact of high temperatures on workers. Furthermore, the main structure of the feeding mechanism is relatively far away from the ladle. The feeding pipe is only moved to the ladle during feeding and rotates away from the ladle after feeding, minimizing the impact on the crane hoisting the ladle. Furthermore, the feeding pipe, which is heated by the ladle, is not part of the overall support frame of the device and is therefore subject to relatively little stress. Even if it is deformed by high temperatures, it is relatively small. Even if it is deformed or damaged, it is easy to maintain and replace, thus increasing the overall service life and ease of maintenance of the feeding mechanism.

[0018] 2. The feeding pipe can also move up and down and be inserted into the inner cavity of the molten iron ladle, which not only ensures the accuracy of catalyst feeding, but also reduces the problem of molten iron splashing caused by feeding the catalyst into the molten iron ladle.

[0019] 3. The discharge section of the feeding pipe is bent downward, with its axis oriented vertically, facilitating insertion of the discharge section into the ladle. Furthermore, the feed section of the feeding pipe is bent upward, with its axis oriented vertically. The vertical axis of the feeding pipe's rotation is coaxial with the axis of the feed section, ensuring that the vertical axis of the feed section remains constant during rotation, facilitating the addition of catalyst to the feed section.

[0020] 4. The feed hopper, which is positioned in a constant position, enables the feeding operation of the feed port of the feeding pipe, further improving the convenience of adding catalyst to the feed port. In addition, the arrangement of the rotary joint can prevent the rotation of the feeding pipe from causing the high-temperature resistant telescopic dust cover to twist.

[0021] 5. A dustproof and heat-insulating box and a dustproof and heat-insulating cover are provided to reduce the impact of high temperature and dusty environment on the service life of the dustproof cylinder and lifting cylinder.

[0022] 6. A positioning seat is provided, and the positioning baffle on the positioning seat is used to achieve accurate positioning of the molten iron ladle, ensuring that the feeding pipe accurately feeds the molten iron ladle. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural diagram of the present utility model.

[0024] Figure 2It is a structural diagram of the feeding mechanism in the utility model.

[0025] In the figure: 10. Standing platform; 20. Feeding mechanism; 21. Feeding pipe; 211. Rotary joint; 22. Frame body; 221. Feed hopper; 222. Dustproof and heat-insulating box; 23. Lifting cylinder; 24. Rotating cylinder; 25. SBR guide rail; 26. Dustproof slide; 261. Dustproof and heat-insulating cover; 27. Rotating oil pressure buffer; 28. Descending oil pressure buffer; 29. ​​Floating joint; 30. Positioning seat; 31. Positioning baffle; a. Ladle. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] For ease of understanding, the specific structure and working mode of the present invention are further described below with reference to the accompanying drawings:

[0028] The specific structure of the utility model refers to Figure 1-2 As shown, its main structure includes an iron ladle a, a feeding mechanism 20 and a standing platform 10 arranged in sequence along the horizontal direction. The setting of the standing platform 10 allows workers to stand at a high place to transport catalysts to the feeding mechanism 20, and the standing platform 10 is farther away from the iron ladle a than the feeding mechanism 20, which effectively reduces the impact of high temperature on workers.

[0029] Among them, such as Figure 2As shown, the feeding mechanism 20 mainly includes a feeding pipe 21 with an inclined structure, wherein the inclined high end of the feeding pipe 21 serves as a feed port, and the inclined low end serves as a discharge port. Due to the setting of the standing platform 10, workers can easily input the catalyst into the feeding pipe 21 from the feed port. After entering the feeding pipe 21, the catalyst slides along the inclined inner cavity of the feeding pipe 21 and is discharged from the discharge port, and is finally transported to the ladle a. Specifically, the vertical height of the discharge port under normal conditions is higher than the vertical height of the open end of the ladle a. The feeding pipe 21 can rotate around the vertical axis, and the motion trajectory of the discharge port is a circular trajectory, and the circular trajectory intersects with the open end of the ladle a, thereby realizing that the discharge port can be aligned with the ladle a to achieve accurate feeding of the catalyst. In addition, the feeding pipe 21 can also move up and down along the vertical axis, so that when the discharge port moves to just above the open end of the molten iron ladle a, it can move downward and be inserted into the inner cavity of the molten iron ladle a. This not only further ensures the accuracy of the catalyst feeding, but also reduces the problem of molten iron splashing caused by feeding the catalyst into the molten iron ladle a, thereby improving the safety of the catalyst adding process.

[0030] In this embodiment, the main body of the feeding mechanism 20 is spaced apart and distributed beside the ladle a. Only the feeding pipe 21 moves to the ladle a during feeding and rotates away from the ladle a after feeding, reducing the impact on the crane hoisting the ladle a. In addition, the feeding pipe 21, which is heated by the ladle a, is not the supporting frame of the entire device. The overall force is relatively small. Even if it is heated by the high temperature, the deformation is relatively small. Even if it is damaged, it is easy to maintain and replace, which improves the service life and maintenance convenience of the entire feeding mechanism 20. In addition, the feeding pipe 21 can also move up and down and be inserted into the inner cavity of the ladle a, not only ensuring the accuracy of catalyst feeding, but also reducing the problem of molten iron splashing caused by the catalyst being fed into the ladle a.

[0031] To further optimize the structure of the feeding pipe 21, as Figure 2 As shown, the discharge port section of the feeding tube 21 is bent downward, with the axis of the discharge port section arranged vertically, facilitating insertion of the discharge port section of the feeding tube 21 into the inner cavity of the ladle a. Furthermore, the feed port section of the feeding tube 21 is bent upward, with the axis of the feed port section arranged vertically. The vertical axis of rotation of the feeding tube 21 is coaxial with the axis of the feed port section, ensuring that the vertical axis of the feed port remains constant during the rotation of the feeding tube 21, facilitating the addition of catalyst into the feed port. Furthermore, the manner in which the feeding tube 21 rotates about the feed port axis also maximizes the radius of the circular trajectory of the discharge port's motion, ensuring a large gap between the feeding mechanism 20 and the ladle.

[0032] Specifically, such as Figure 1 As shown, the feeding mechanism 20 is arranged near the standing platform 10, so that workers can stand on the standing platform 10 to add the catalyst into the feed port, which improves the convenience of feeding the feed port. Figure 2 As shown, the feeding mechanism 20 also includes a frame body 22, a lifting cylinder 23 is installed at the bottom of the frame body 22, and a rotating cylinder 24 is installed at the lifting end of the lifting cylinder 23. The rotating axis of the rotating cylinder 24 is coaxially fixed directly below the feed port section of the feeding pipe 21, thereby realizing automatic lifting and rotation operations of the feeding pipe 21.

[0033] On the basis of the above, if Figure 2 As shown, a feed hopper 221 coaxially arranged with the feed port is fixed to the top of the frame body 22, and the feed port section of the feeding tube 21 is coaxially rotatably matched with a rotary joint 211. A high-temperature resistant telescopic dust-proof cover is connected between the rotary joint 211 and the feeding hopper 221; the high-temperature resistant telescopic dust-proof cover can be extended and retracted as the feeding tube 21 rises and falls, ensuring that the feeding hopper 221 and the feeding tube 21 are always in a connected state. Specifically, the high-temperature resistant telescopic dust-proof cover can also be in the form of a high-temperature resistant telescopic tube or bellows. Under this embodiment, the feeding operation to the feed port of the feeding tube 21 can be achieved through the feed hopper 221 with a constant position, further improving the convenience of adding catalyst to the feed port. In addition, the arrangement of the rotary joint 211 can prevent the high-temperature resistant telescopic dust-proof cover from twisting due to the rotation of the feeding tube 21.

[0034] On the basis of the above, if Figure 2 As shown, a vertically distributed SBR guide rail 25 is fixedly connected to the frame body 22. A dustproof slide 26 slides on the SBR guide rail 25, and a dustproof and heat-insulating cover 261 is fixed to the dustproof slide 26. The rotary cylinder 24 is installed in the dustproof and heat-insulating cover 261, and the lifting end of the lifting cylinder 23 is fixedly connected to the dustproof and heat-insulating cover 261. This ensures the stability of the lifting and lowering movement of the rotary cylinder 24 and the feeding pipe 21. In addition, the provision of the dustproof and heat-insulating cover 261 can cover the main structure of the rotary cylinder 24, and only the rotating axis of the rotary cylinder 24 extends outside the dustproof and heat-insulating cover 261, effectively reducing the impact of high temperature and dusty environment on the service life of the rotary cylinder 24.

[0035] In addition, if Figure 2 As shown, a descent oil pressure buffer 28 is fixedly connected to the frame body 22 to cushion the descent of the dustproof slide 26. This member can locate the dustproof slide 26 at its lower limit and cushion it at that limit. Furthermore, the lifting end of the lift cylinder 23 is connected to the dustproof and heat-insulating cover 261 via a floating joint 29, creating a buffer gap between the lifting end of the lift cylinder 23 and the dustproof and heat-insulating cover 261. This reduces the relative axial force between the dustproof slide 26 and the lifting end of the lift cylinder 23 when the dustproof slide 26 descends to its lower limit.

[0036] On the basis of the above, if Figure 2As shown, a dustproof and heat-insulating box 222 is fixedly connected to the frame body 22, and the lifting cylinder 23 is installed in the dustproof and heat-insulating box 222, which can cover the main structure of the lifting cylinder 23, and only the lifting end of the lifting cylinder 23 extends to the outside of the dustproof and heat-insulating box 222, effectively reducing the impact of the high temperature and dusty environment on the service life of the lifting cylinder 23.

[0037] Of course, in order to achieve accurate positioning of the rotation angle of the feeding tube 21 and buffering when the feeding tube 21 rotates to the extreme position, as shown in FIG. Figure 2 As shown, a rotary oil pressure buffer 27 for positioning and buffering the rotation angle of the feeding pipe 21 is fixed on the frame body 22.

[0038] It is worth mentioning that, in order to accurately place the molten iron ladle a at the desired position, the utility model further comprises a positioning seat 30 , to which a positioning baffle 31 for locating the placement position of the molten iron ladle a is fixedly connected.

[0039] Of course, it will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, but also encompasses the same or similar structures that can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and it is intended that all variations that fall within the meaning and range of equivalents of the claims be encompassed within the present invention. Any reference signs in the claims should not be construed as limiting the claim to which they relate.

[0040] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

[0041] The technology, shape and structure that are not described in detail in this utility model are all well-known technologies.

Claims

1. A catalyst adding mechanism for a molten iron ladle, characterized in that: The invention comprises a feeding mechanism (20) and a molten iron ladle (a) distributed beside the feeding mechanism (20); a standing platform (10) is arranged adjacent to a side of the feeding mechanism (20) away from the molten iron ladle (a); the feeding mechanism (20) comprises a feeding pipe (21) with an inclined structure; the inclined high end of the feeding pipe (21) serves as a feeding port, the inclined low end serves as a discharging port, and the vertical height of the discharging port under normal conditions is higher than the vertical height of the opening end of the molten iron ladle (a); the feeding pipe (21) can perform rotational motion around a vertical axis, and the motion trajectory of the discharging port is a circular trajectory, and the circular trajectory intersects with the position directly above the opening end of the molten iron ladle (a).

2. The catalyst adding mechanism for a molten iron ladle according to claim 1, characterized in that: The feeding pipe (21) can also move up and down along the vertical axis, so as to move downward and be inserted into the inner cavity of the ladle (a) when the discharge port moves to just above the opening end of the ladle (a).

3. The catalyst adding mechanism for a molten iron ladle according to claim 2, characterized in that: The discharge port section and the feed port section of the feeding pipe (21) are bent downward and upward respectively, so that the axes of the feed port section and the discharge port section are both vertically distributed, and the vertical axis of rotation of the feeding pipe (21) is coaxial with the axis of the feed port section.

4. The catalyst adding mechanism for a molten iron ladle according to claim 3, characterized in that: The feeding mechanism (20) further comprises a frame body (22), a lifting cylinder (23) being mounted at the bottom of the frame body (22), a rotating cylinder (24) being mounted at the lifting end of the lifting cylinder (23), and a rotating axis of the rotating cylinder (24) being coaxially fixed directly below the feed port section of the feeding pipe (21).

5. The catalyst adding mechanism for a molten iron ladle according to claim 4, characterized in that: A feed hopper (221) coaxially arranged with the feed port is fixed on the top of the frame body (22); the feed port section of the feeding pipe (21) is coaxially rotatably matched with a rotary joint (211); a high-temperature resistant telescopic dust cover is connected between the rotary joint (211) and the outlet end of the feed hopper (221).

6. The catalyst adding mechanism for a molten iron ladle according to claim 4, characterized in that: The frame body (22) is fixedly connected to a vertically distributed SBR guide rail (25), a dustproof slide seat (26) is slidably mounted on the SBR guide rail (25), a dustproof heat insulation cover (261) is fixed to the dustproof slide seat (26), a rotary cylinder (24) is installed in the dustproof heat insulation cover (261), and a lifting end of the lifting cylinder (23) is fixedly connected to the dustproof heat insulation cover (261).

7. The catalyst adding mechanism for a molten iron ladle according to claim 6, characterized in that: A descending oil pressure buffer (28) for descent buffering of the dustproof slide seat (26) is fixedly connected to the frame body (22), and the lifting end of the lifting cylinder (23) is connected to the dustproof and heat-insulating cover (261) through a floating joint (29).

8. The catalyst adding mechanism for a molten iron ladle according to claim 4, characterized in that: A dustproof and heat-insulating box (222) is fixedly connected to the frame body (22), and the lifting cylinder (23) is installed in the dustproof and heat-insulating box (222).

9. The catalyst adding mechanism for a molten iron ladle according to claim 4, characterized in that: A rotary oil pressure buffer (27) for positioning and buffering the rotation angle of the feeding pipe (21) is fixed on the frame body (22).

10. The catalyst adding mechanism for a molten iron ladle according to any one of claims 1 to 9, characterized in that: It also includes a positioning seat (30), to which a positioning baffle (31) for locating the placement position of the molten iron ladle (a) is fixedly connected.

Images