Intelligent slag salvaging device for heavy metal water-quenched slag of tin smelting furnace

By designing an intelligent slag removal device for water-quenched heavy metal slag in tin smelting furnaces, and utilizing the coordinated control of a traveling trolley, a mobile trolley, and a non-powered grab bucket, the problem of low efficiency in manual slag removal of water-quenched heavy metal slag in tin smelting furnaces was solved, achieving efficient and safe unmanned slag removal operations and improving the level of intelligence.

CN224215842UActive Publication Date: 2026-05-08YUNNAN TIN CO LTD TIN BRANCH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YUNNAN TIN CO LTD TIN BRANCH
Filing Date
2025-05-12
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

The slag removal operation of heavy metal water quenching furnace in tin smelting relies on manual operation, which is inefficient, costly, labor-intensive, and in a harsh environment, making it difficult to meet the requirements of high efficiency and safety.

Method used

A smart slag removal device for water-quenched heavy metal slag in a tin smelting furnace was designed, comprising a traveling trolley, a mobile trolley, and a non-powered grab bucket. It utilizes a laser rangefinder and a motor drive system to achieve unmanned slag removal. The position and movement of each component are coordinated and controlled by a control box to achieve precise slag removal and unloading.

Benefits of technology

It has achieved unmanned and automated slag removal, which has improved operational efficiency, reduced labor intensity, ensured safety, and enhanced the intelligence level of tin smelting equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an intelligent slag salvaging device for heavy metal water-quenched slag of a tin smelting furnace, which comprises a walking cart, the walking cart moves on a track beside a slag bath, a first positioner for measuring and positioning the position information of the walking cart is arranged on the walking cart, and a cross rail is fixed at the top of the walking cart; the moving trolley walks on the transverse rail, a lifting power assembly and an opening and closing power assembly for controlling the grab bucket to be opened and closed are arranged on the moving trolley, the walking direction of the moving trolley is perpendicular to the walking direction of the walking cart, and a second positioner for measuring the position information of the positioning trolley is arranged on the moving trolley; the unpowered grab bucket is connected with the lifting power assembly and located below the moving trolley. And the control box is fixed on the frame of the walking cart and is respectively in electric signal connection with the walking cart, the moving trolley, the lifting power assembly, the opening and closing power assembly, the first positioner and the second positioner. The slag salvaging device is automatically controlled, labor is liberated, and slag salvaging is safe and efficient.
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Description

Technical Field

[0001] This utility model belongs to the field of intelligent equipment technology for tin smelting, and specifically relates to an intelligent slag removal device for water-quenched heavy metal slag in tin smelting furnaces. Background Technology

[0002] Heavy metal slag produced by tin smelting furnaces is classified as hazardous waste. It is typically water-quenched into fine granular slag. After being removed from the slag pool by slag removers, it is transported to a hazardous waste disposal site for harmless treatment. If the water-quenched slag in the slag pool is not removed in a timely manner, it will affect the normal production operation of the tin smelting furnace and may also cause environmental non-compliance issues. Therefore, efficient slag removal is crucial.

[0003] Slag removal from tin smelting furnaces, particularly for heavy metal water-quenched slag, differs from slag removal in other industries. The slag is denser and more abundant, requiring unique slag removal equipment tailored to the specific material and working environment. Currently, the slag removal system commonly used in the tin smelting industry relies primarily on manual operation, resulting in low overall automation, low efficiency, high costs, high labor intensity, and harsh working conditions. The high temperature and humidity of the slag pool, along with the presence of large amounts of steam, obstructs the worker's vision, leading to inaccurate slag removal and inefficient operation. This delays in slag removal hinder normal production at the tin smelting furnace. As furnace capacity increases and slag volume grows, the traditional manual slag removal method is no longer adequate to meet production requirements.

[0004] Therefore, how to provide an unmanned intelligent slag removal device for water-quenched heavy metal slag in tin smelting furnaces that is suitable for the characteristics of the tin smelting industry is a problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0005] In view of this, the present invention provides an intelligent slag removal device for water-quenched heavy metal slag in tin smelting furnaces, which can free up manpower, remove slag efficiently and safely, and is suitable for industrial production.

[0006] To achieve the above objectives, this utility model adopts the following technical solution: an intelligent slag removal device for water-quenched heavy metal slag in a tin smelting furnace, comprising:

[0007] A traveling trolley moves on a track beside the slag pit. The traveling trolley is equipped with a first locator for measuring and positioning the location information of the traveling trolley. A cross rail is fixed on the top of the traveling trolley.

[0008] A mobile trolley travels on the horizontal rail. The mobile trolley is equipped with a lifting power assembly and an opening and closing power assembly for controlling the opening and closing of the grab bucket. The traveling direction of the mobile trolley is perpendicular to the traveling direction of the main trolley. The mobile trolley is equipped with a second locator for measuring and positioning the trolley's position information.

[0009] A non-powered grab bucket, which is connected to the lifting power assembly and located below the mobile trolley;

[0010] The control box is fixed on the frame of the traveling trolley and is electrically connected to the traveling trolley, the moving trolley, the lifting power component, the opening and closing power component, the first positioner, and the second positioner.

[0011] The beneficial effects of this utility model are as follows: the traveling trolley travels on the track beside the slag pit, and the traveling trolley also provides the basis for the sliding of the moving trolley. The specific slag-collecting position of the unpowered grab bucket is determined based on the coordinated position of the traveling trolley and the moving trolley. The first positioner and the second positioner linkage control box determine the specific position of the corresponding traveling trolley and moving trolley, so that the unpowered grab bucket is accurately positioned. The lifting power component is used to lift the unpowered grab bucket, while the opening and closing power component is used to control the opening and closing state of the unpowered grab bucket, thereby realizing the process of slag collection and unloading.

[0012] Preferably, the bottom of the traveling trolley frame is rotatably connected to traveling wheels, and a traveling wheel motor for driving the traveling wheels to rotate is fixed on the traveling trolley frame. The traveling wheel motor is electrically connected to the control box.

[0013] The resulting technical effect is that the traveling trolley achieves on-rail movement based on the traveling wheel motor and traveling wheels. In specific implementation, there is a necessary reducer between the traveling wheel motor and the traveling wheels to ensure the stable movement of the traveling trolley. The traveling position of the traveling trolley is controlled by the traveling wheel motor based on the signal feedback of the first positioner, thereby realizing the positioning of the traveling trolley.

[0014] Preferably, the bottom of the mobile trolley frame is rotatably connected to multiple rollers, and a roller motor that drives the rollers to rotate is fixedly connected to the mobile trolley. The roller motor is electrically connected to the control box.

[0015] The resulting technical effect is that the on-track movement of the mobile trolley is based on rollers and roller motors. The walking position of the mobile trolley is determined by the second positioner, which feeds back the position signal to the control box and controls the working state of the walking wheel motor.

[0016] Preferably, both the first and second locators are laser ranging sensors, which acquire the position information of the traveling vehicle and / or the mobile vehicle based on the wall of the factory building.

[0017] The resulting technical effect is that laser rangefinders are suitable for industrial environments, and can determine the specific location of traveling vehicles or mobile carts by relying on feedback from the factory walls.

[0018] Preferably, the lifting power assembly includes a lifting motor, a lifting drum, and a lifting wire rope. The lifting motor is fixedly connected to one end of the mobile trolley and electrically connected to the control box. The lifting drum is rotatably connected to the frame of the mobile trolley and to the side near the lifting motor. The output shaft of the lifting motor is drivenly connected to the lifting drum. The lifting wire rope is wound around the lifting drum. The bottom end of the lifting wire rope is fixedly connected to the unpowered grab bucket and causes the unpowered grab bucket to rise and fall. A first rotary encoder for detecting the lifting drum's winding stroke is installed at the end of the lifting drum. The first rotary encoder is electrically connected to the control box.

[0019] The resulting technical effect is that the lifting power component is a winch-driven mode, and the lifting wire rope is controlled by the drum to complete the lifting of the unpowered grab bucket. The first rotary encoder is used to detect the rotation information of the lifting drum, thereby knowing the displacement state of the lifting wire rope, and thus determining the lifting position parameters of the unpowered grab bucket.

[0020] Preferably, bearing-type load cells are installed at both ends of the lifting drum. The bearing-type load cells are connected to the frame of the mobile trolley. The bearing-type load cells are electrically connected to the control box and detect the contact state of the unpowered grab bucket with the bottom of the pool.

[0021] The resulting technical effect is that the bearing seat type load cell will not affect the installation of the lifting drum. Since the unpowered grab bucket has a weight of more than one ton, if the unpowered grab bucket touches the bottom, the load cell will show obvious parameter changes, which can work with the first rotary encoder to determine the bottom (bottom of the slag pool) state of the unpowered grab bucket.

[0022] Preferably, the opening and closing power assembly includes an opening and closing motor, an opening and closing drum, and an opening and closing wire rope. The opening and closing motor is fixed to the other end of the mobile trolley and electrically connected to the control box. The opening and closing drum is rotatably connected to the mobile trolley and located near the opening and closing motor. The output shaft of the opening and closing motor is drivenly connected to the opening and closing drum. The opening and closing wire rope is wound around the opening and closing drum and controls the opening and closing of the unpowered grab. A second rotary encoder is provided at the end of the opening and closing drum to detect the winding stroke of the opening and closing drum. The second rotary encoder is electrically connected to the control box.

[0023] The resulting technical effect is that the opening and closing power assembly is used to control the opening and closing state of the unpowered grab bucket. Since the unpowered grab bucket has two bucket walls, it is closed in its natural state based on the eccentric hinge position of the two bucket walls. The grab bucket can only open when the opening and closing wire rope pulls the bucket wall. The second rotary encoder can detect the rotation information of the opening and closing drum, thereby obtaining the displacement of the opening and closing wire rope, and thus determining whether the opening and closing of the grab bucket is in place.

[0024] Preferably, the non-powered grab bucket has multiple drainage holes on its bucket wall.

[0025] The resulting technical effect is that the drainage holes can drain excess water, thus ensuring the slag removal effect. Attached Figure Description

[0026] Figure 1 This is an overall schematic diagram of an intelligent slag removal device for water-quenched heavy metal slag in a tin smelting furnace according to the present invention.

[0027] Figure 2 This is a top view of the mobile trolley of the intelligent slag removal device for water-quenched heavy metal slag in a tin smelting furnace according to the present invention.

[0028] Figure 3 This is a side view of the mobile trolley of the intelligent slag removal device for water-quenched heavy metal slag in a tin smelting furnace according to the present invention.

[0029] 1. Traveling trolley, 11. Traveling wheels, 12. Traveling wheel motor, 2. First positioner, 3. Moving trolley, 31. Roller motor, 4. Lifting power assembly, 41. Lifting motor, 42. Lifting drum, 43. Lifting wire rope, 44. First rotary encoder, 5. Opening and closing power assembly, 51. Opening and closing motor, 52. Opening and closing drum, 53. Opening and closing wire rope, 54. Second rotary encoder, 6. Second positioner, 7. Unpowered grab bucket, 71. Drain hole, 8. Control box. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] See appendix to this utility model Figures 1 to 3 According to an embodiment of the present invention, an intelligent slag removal device for heavy metal water-quenched slag in a tin smelting furnace includes:

[0032] The traveling trolley 1 moves on a track next to the slag pit. The traveling trolley 1 is equipped with a first locator 2 for measuring and positioning the traveling trolley's position information. Two horizontal rails are fixed on the top of the traveling trolley 1.

[0033] The mobile trolley 3 travels on a horizontal rail. The mobile trolley 3 is equipped with a lifting power component 4 and an opening and closing power component 5 for controlling the opening and closing of the grab bucket. The traveling direction of the mobile trolley 3 is perpendicular to the traveling direction of the traveling trolley 1. It can be understood that the unpowered grab bucket can reach any position on the plane of the slag pool based on the movement of the traveling trolley and the mobile trolley. The mobile trolley 3 is equipped with a second locator 6 for measuring and positioning the trolley's position information.

[0034] The unpowered grab bucket 7 is connected to the lifting power assembly 4 and is located below the mobile trolley 3;

[0035] The control box 8 is fixed on the frame of the traveling trolley 1 and is electrically connected to the traveling trolley 1, the moving trolley 3, the lifting power assembly 4, the opening and closing power assembly 5, the first positioner 2, and the second positioner 6. The control box is the control center for the normal operation of this device, enabling the coordinated work of all components.

[0036] In other embodiments, the bottom of the frame of the traveling trolley 1 is rotatably connected to a traveling wheel 11, and a traveling wheel motor 12 for driving the traveling wheel to rotate is fixed on the frame of the traveling trolley 1. The traveling wheel motor 12 is electrically connected to the control box 8. The traveling wheel is the basis for the traveling trolley to move on the track. The specific moving position of the traveling trolley is controlled by the traveling wheel motor. When in use, a necessary reducer is installed on the traveling wheel motor.

[0037] In some other specific embodiments, multiple rollers are rotatably connected to the bottom of the frame of the mobile trolley 3. A roller motor 31 for driving the rollers to rotate is fixedly connected to the mobile trolley 3. The roller motor 31 is electrically connected to the control box 8. The rollers are the basis for the mobile trolley to move on the track. The specific moving position of the mobile trolley is controlled by the roller motor. It should be noted that in order to ensure the stability of the traveling trolley and the mobile trolley, a dual-motor drive mode can be arranged, that is, a traveling wheel motor is arranged on each side of the traveling trolley, and a roller motor is arranged on each side of the mobile trolley, thereby improving the running stability of the trolley and the mobile trolley.

[0038] In some other embodiments, the first locator 2 and the second locator 6 are both laser rangefinders. The laser rangefinders can obtain the position information of the traveling trolley 1 and / or the moving trolley 3 based on the wall of the factory building, thereby ensuring the accurate movement position of the trolley or the moving trolley.

[0039] In other embodiments, the lifting power assembly 4 includes a lifting motor 41, a lifting drum 42, and a lifting wire rope 43. The lifting motor 41 is fixedly connected to one end of the mobile trolley 3 and electrically connected to the control box 8. The lifting drum 42 is rotatably connected to the frame of the mobile trolley 3 and is located near the side of the lifting motor 41. The output shaft of the lifting motor 41 is connected to the lifting drum 42. The lifting wire rope 43 is wound around the lifting drum 42. The bottom end of the lifting wire rope 43 is fixedly connected to the unpowered grab bucket 7 and causes the unpowered grab bucket to lift and lower. A first rotary encoder 44 for detecting the winding stroke of the lifting drum 42 is installed at the end of the lifting drum 42. The first rotary encoder 44 is electrically connected to the control box 8.

[0040] In some other embodiments, the lifting power assembly is used to control the lifting of the unpowered grab bucket. The specific lifting position information can be measured with the aid of the first rotary encoder method. The first rotary encoder can detect the rotation information of the lifting drum, thereby obtaining the displacement of the lifting wire rope, and thus determining the lifting position of the unpowered grab bucket.

[0041] In other embodiments, bearing-mounted load cells are installed at both ends of the lifting drum 42. The bearing-mounted load cells are connected to the frame of the mobile trolley 3. The bearing-mounted load cells are electrically connected to the control box 8 and detect the contact state of the unpowered grab bucket 7 with the bottom of the pool.

[0042] When removing slag, the unpowered grab bucket needs to touch the bottom. The unpowered grab bucket touching the bottom causes a sudden change in the parameters of the weighing sensor, which in turn helps to determine the bottoming status of the unpowered grab bucket.

[0043] In some other embodiments, the opening and closing power assembly 5 includes an opening and closing motor 51, an opening and closing drum 52, and an opening and closing wire rope 53. The opening and closing motor 51 is fixed to the other end of the mobile trolley 3 and is electrically connected to the control box 8. The opening and closing drum 52 is rotatably connected to the mobile trolley 3 and is located near the side of the opening and closing motor 51. The output shaft of the opening and closing motor 51 is connected to the opening and closing drum 52 for transmission. The opening and closing wire rope 53 is wound around the opening and closing drum 52 and controls the opening and closing of the unpowered grab bucket 7. The end of the opening and closing drum 52 is provided with a second rotary encoder 54 for detecting the winding stroke of the opening and closing drum. The second rotary encoder 54 is electrically connected to the control box 8.

[0044] The opening and closing of the unpowered grab bucket is achieved by pulling the opening and closing wire rope. Under normal circumstances, the two bucket walls of the unpowered grab bucket are closed. When it is necessary to scoop or unload slag, the opening and closing of the unpowered grab bucket is controlled by the opening and closing wire rope to complete the slag scooping or unloading process. The opening and closing status is determined by the second rotary encoder, which detects the displacement parameters of the opening and closing drum and the opening and closing wire rope.

[0045] In some other specific embodiments, the non-powered grab bucket 7 has multiple drainage holes 71 on its bucket wall, which can drain excess water and ensure the slag removal effect.

[0046] Specific work process:

[0047] When the control box presses the slag removal start command, the intelligent control system automatically controls the traveling trolley and the moving trolley to approach the slag removal target position according to the program. At the same time, the positioners of the traveling trolley and the moving trolley provide real-time position information, which is then fed back to the intelligent control system. The intelligent control system controls the traveling trolley (traveling wheel motor) and the moving trolley (roller motor) to accurately locate the slag removal position. After the slag removal position is located, the opening and closing power component drives the unpowered grab bucket to open, and at the same time, the lifting power component drives the unpowered grab bucket to descend into the pool. At this time, the opening and closing power component releases the corresponding steel wire rope in coordination. After entering the pool, the unpowered grab bucket is confirmed by a weight sensor to ensure that it has descended to the bottom (based on the parameter change of the weighing sensor). Then, the opening and closing power component drives the unpowered grab bucket to close and remove the slag. After the slag removal is completed, the lifting power component drives the unpowered grab bucket to rise. When it rises to the set height, it stops for a set time to drain the water. After the water drains, the traveling trolley and the moving trolley automatically deliver the slag to the designated location for unloading. The subsequent slag removal locations are automatically planned by the intelligent slag removal device according to the program, and this cycle is repeated until all slag removal target locations have been completed.

[0048] Compared with the existing manual slag removal method, this solution realizes intelligent, unmanned and automatic slag removal, with accurate slag positioning, high operation efficiency, reduced labor intensity, guaranteed personal safety, and improved the intelligence level of tin smelting process equipment.

[0049] The apparatus and methods disclosed in the embodiments are described simply because they correspond to the methods disclosed in the embodiments. For relevant details, please refer to the method section.

[0050] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A smart slag removal device for water-quenched heavy metal slag in a tin smelting furnace, characterized in that, include: A traveling trolley (1) moves on a track beside the slag pit. The traveling trolley (1) is equipped with a first locator (2) for measuring and positioning the traveling trolley's position information. A horizontal rail is fixed on the top of the traveling trolley (1). A mobile trolley (3) travels on the horizontal rail. The mobile trolley (3) is equipped with a lifting power assembly (4) and an opening and closing power assembly (5) for controlling the opening and closing of the grab bucket. The traveling direction of the mobile trolley (3) is perpendicular to the traveling direction of the traveling trolley (1). The mobile trolley (3) is equipped with a second locator (6) for measuring and positioning the trolley's position information. A non-powered grab bucket (7) is connected to the lifting power assembly (4) and located below the mobile trolley (3); The control box (8) is fixed on the frame of the traveling trolley (1) and is electrically connected to the traveling trolley (1), the mobile trolley (3), the lifting power assembly (4), the opening and closing power assembly (5), the first positioner (2), and the second positioner (6).

2. The intelligent slag removal device for heavy metal water-quenched slag in a tin smelting furnace according to claim 1, characterized in that, The bottom of the frame of the traveling trolley (1) is rotatably connected to a traveling wheel (11), and a traveling wheel motor (12) for driving the traveling wheel to rotate is fixed on the frame of the traveling trolley (1). The traveling wheel motor (12) is electrically connected to the control box (8).

3. The intelligent slag removal device for heavy metal water-quenched slag in a tin smelting furnace according to claim 1, characterized in that, The bottom of the frame of the mobile trolley (3) is rotatably connected to multiple rollers, and a roller motor (31) for driving the rollers to rotate is fixedly connected to the mobile trolley (3). The roller motor (31) is electrically connected to the control box (8).

4. The intelligent slag removal device for heavy metal water-quenched slag in a tin smelting furnace according to claim 1, characterized in that, The first locator (2) and the second locator (6) are both laser ranging sensors. The laser ranging sensors obtain the position information of the traveling trolley (1) and / or the mobile trolley (3) based on the wall of the factory building.

5. The intelligent slag removal device for heavy metal water-quenched slag in a tin smelting furnace according to claim 1, characterized in that, The lifting power assembly (4) includes a lifting motor (41), a lifting drum (42), and a lifting wire rope (43). The lifting motor (41) is fixedly connected to one end of the mobile trolley (3) and electrically connected to the control box (8). The lifting drum (42) is rotatably connected to the frame of the mobile trolley (3) and close to the side of the lifting motor (41). The output shaft of the lifting motor (41) is connected to the lifting drum (42) for transmission. The lifting wire rope (43) is wound on the lifting drum (42). The bottom end of the lifting wire rope (43) is fixedly connected to the unpowered grab bucket (7) and causes the unpowered grab bucket to lift. A first rotary encoder (44) for detecting the winding stroke of the lifting drum (42) is installed at the end of the lifting drum (42). The first rotary encoder (44) is electrically connected to the control box (8).

6. The intelligent slag removal device for heavy metal water-quenched slag in a tin smelting furnace according to claim 5, characterized in that, Bearing-type load cells are installed on both ends of the lifting drum (42). The bearing-type load cells are connected to the frame of the mobile trolley (3). The bearing-type load cells are electrically connected to the control box (8) and detect the contact state of the unpowered grab bucket (7) with the bottom of the pool.

7. The intelligent slag removal device for heavy metal water-quenched slag in a tin smelting furnace according to claim 1, characterized in that, The opening and closing power assembly (5) includes an opening and closing motor (51), an opening and closing drum (52), and an opening and closing wire rope (53). The opening and closing motor (51) is fixed at the other end of the mobile trolley (3) and is electrically connected to the control box (8). The opening and closing drum (52) is rotatably connected to the mobile trolley (3) and close to the side of the opening and closing motor (51). The output shaft of the opening and closing motor (51) is connected to the opening and closing drum (52) for transmission. The opening and closing wire rope (53) is wound on the opening and closing drum (52) and controls the opening and closing of the unpowered grab bucket (7). The end of the opening and closing drum (52) is provided with a second rotary encoder (54) for detecting the winding stroke of the opening and closing drum. The second rotary encoder (54) is electrically connected to the control box (8).

8. The intelligent slag removal device for heavy metal water-quenched slag in a tin smelting furnace according to claim 1, characterized in that, The non-powered grab bucket (7) has multiple drainage holes (71) on its bucket wall.