Smelting furnace slagging-off device
By designing a combination of vertical rotating pipe and horizontal slag removal pipe, the problem of low slag removal efficiency in small smelting furnaces was solved, achieving safe and efficient slag removal and avoiding molten metal waste.
Patent Information
- Application Number
- CN202422655416.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-10-31
AI Technical Summary
Small smelting furnaces lack efficient slag removal devices during the smelting process, resulting in high operating temperatures, low safety, low slag removal efficiency, and easy waste of molten metal.
A slag removal device was designed, comprising a vertical rotating pipe, a horizontal slag removal pipe, a forward and reverse rotating motor, and a filter box. The device separates the molten metal from impurities through a suction pump and a filter screen, and uses sensors and a motor control system to adjust the slag removal height and position to ensure efficient cleaning of floating slag.
It enables safe and efficient slag removal operations, avoids molten metal splashing, improves slag removal efficiency, and reduces metal waste.
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Figure CN223580649U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to smelting furnace technical field, concretely relates to a smelting furnace slagging device. BACKGROUND
[0002] Generally, the metal products will have dross when melting in the smelting furnace, and the dross needs to be cleaned out by the slagging device. In the prior art, there are special slagging devices for slagging operation, such as slagging machines. However, the slagging machines are mainly used for large-scale production and are not suitable for small-scale smelting furnaces. At present, the small-scale smelting furnaces mainly use manual cleaning of the dross on the surface of the melt. The operation environment is high in temperature and low in safety, and the slagging efficiency is low and the effect is poor. In addition, the metal melt is easily brought out and wasted. Therefore, there is a need for a smelting furnace slagging device to solve the above technical problems. SUMMARY
[0003] In view of the above defects in the prior art, the utility model provides a smelting furnace slagging device, which comprises a smelting furnace. A slagging assembly is arranged in the smelting furnace. The slagging assembly comprises a vertical rotating pipe, a horizontal slagging pipe, a reversible motor and a filter box. The lower end of the vertical rotating pipe extends into the smelting furnace. One end of the horizontal slagging pipe is fixedly connected with the lower end of the vertical rotating pipe and is in communication with the lower end of the vertical rotating pipe. The horizontal slagging pipe is provided with a plurality of slag suction holes. The upper end of the vertical rotating pipe extends out of the top of the smelting furnace and is fixedly connected with a conical gear one. The conical gear one is engaged with a conical gear two. The conical gear two is connected with the reversible motor. The filter box is fixed on the smelting furnace. A filter screen is arranged in the filter box. An inlet is arranged on the filter box above the filter screen. An outlet is arranged on the filter box below the filter screen. The outlet is in communication with the top of the smelting furnace. A conduit is connected with the inlet through a rotary joint at the top end of the vertical rotating pipe. The conduit is in communication with the inlet. A suction pump is arranged on the conduit.
[0004] Preferably, the lower end of the horizontal slagging pipe is rotatably connected with a slag blocking plate through a bearing. The lower surface of the slag blocking plate is flush with the lower surface of the horizontal slagging pipe. A vertical limiting groove is arranged on the inner wall of the smelting furnace corresponding to the slag blocking plate. The other end of the slag blocking plate is slidably arranged in the limiting groove. In this way, when the horizontal slagging pipe rotates with the vertical rotating pipe, the impurities are concentrated between the slag blocking plate and the horizontal slagging pipe, so that the horizontal slagging pipe can fully suck away the impurities, thereby improving the slagging efficiency and effect.
[0005] Preferably, the vertical rotating pipe is connected with a door-shaped frame, the upper end of the vertical rotating pipe penetrates the center of the door-shaped frame and is rotationally connected with the door-shaped frame through a bearing, the bevel gear is located on the vertical rotating pipe above the door-shaped frame, the forward-reverse motor one is fixed on the door-shaped frame, two vertical screws are arranged on the outer wall of the smelting furnace and are symmetrical about the central axis of the smelting furnace, the upper and lower ends of the screws are respectively fixed with fixed blocks on the side walls of the smelting furnace corresponding to the upper and lower ends of the screws, the upper and lower ends of the screws are respectively rotationally connected with the corresponding fixed blocks through bearings, the lower ends of the screws are connected with the forward-reverse motor two after penetrating the fixed blocks, the screws are respectively threadedly connected with moving blocks, and the lower ends of the door-shaped frame are respectively fixedly connected with the corresponding moving blocks. Through the synchronous rotation of the two forward-reverse motors two, the two moving blocks drive the door-shaped frame to move up and down along the screws, so that the height of the vertical rotating pipe extending into the smelting furnace is adjusted, and the horizontal slagging pipe is convenient for slagging operation on molten liquid at different heights.
[0006] Preferably, the top of the smelting furnace is provided with a distance sensor, and the distance sensor is electrically connected with the forward-reverse motor two. The height of the horizontal slagging pipe can be reasonably adjusted according to the height of the molten liquid in the smelting furnace, so that the slagging effect is ensured.
[0007] Preferably, the filter box is provided with an openable slag discharge port, and the slag discharge port is arranged on the side wall of the filter box corresponding to the filter screen. The subsequent concentrated cleaning of the filtered slag is facilitated.
[0008] The utility model also includes other components capable of enabling the smelting furnace slagging device to be normally used, such as the control component of the forward-reverse motor one, the control component of the forward-reverse motor two, the control component of the material suction pump, the control component of the distance sensor and the like, which are all conventional technical means in the field. In addition, the devices or components not defined in the utility model, such as the rotary joint, the screw, the material suction pump and the distance sensor, all adopt conventional technical means and conventional equipment in the field.
[0009] Working principle: the vertical rotating pipe is driven to rotate forward and backward by the forward-reverse motor one, the horizontal slagging pipe rotates forward and backward with the vertical rotating pipe, the material suction pump is started, the aluminum molten liquid and impurities such as ash and slag at the horizontal slagging pipe are sucked into the filter box for filtration, the filtered aluminum molten liquid is discharged into the smelting furnace, and the impurities are left in the filter box. In this way, the slagging operation can be completed, the splashing of the aluminum molten liquid is avoided, the safety coefficient is high, the waste is avoided, and the overall operation is simple and efficient.
[0010] The utility model has the advantages that the smelting furnace can be subjected to efficient slagging operation, the slagging operation is simple, the splashing of the molten liquid is avoided, the safety coefficient is high, the molten liquid filtered out of impurities can be discharged into the smelting furnace again, and the waste is avoided. DRAWINGS
[0011] The utility model will be further described in connection with the drawings and embodiments.
[0012] Figure 1 A structure schematic view of a slagging device of a smelting furnace in the embodiment of the present application;
[0013] Figure 2 For Figure 1 The state diagram after the vertical rotating tube in the middle moves a certain distance;
[0014] Figure 3 For Figure 2 The plan view of the horizontal slagging tube in the smelting furnace.
[0015] In the figure: 1, smelting furnace; 2, fixed block; 3, screw rod; 4, reversible motor two; 5, moving block; 6, door-shaped frame; 7, filter box; 8, discharge port; 9, filter screen; 10, guide pipe; 11, suction pump; 12, bevel gear one; 13, bevel gear two; 14, reversible motor one; 15, vertical rotating tube; 16, horizontal slagging tube; 17, slag suction hole; 18, slag blocking plate; 19, feeding pipe; 20, limiting groove. DETAILED DESCRIPTION
[0016] The present application will be described in detail below with reference to the drawings and specific embodiments in the embodiments of the present application, and the description herein is only used to explain the present application, but not as a limitation on the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor, any modification, equivalent replacement, improvement, etc., should be included in the protection scope of the present application.
[0017] EMBODIMENT
[0018] As Figures 1-3The utility model provides a smelting furnace scrapes slag device, including smelting furnace 1, the feed pipe 19 of valve with switch and discharge pipe, be equipped with on smelting furnace 1, be equipped with in smelting furnace 1 scrapes slag subassembly, scrapes slag subassembly includes vertical rotary pipe 15, horizontal scrapes slag pipe 16, change over motor one 14 and filter box 7, the lower end of vertical rotary pipe 15 stretches into smelting furnace 1, one end of horizontal scrapes slag pipe 16 with the lower end of vertical rotary pipe 15 is fixed and communicates, is full of suction slag hole 17 on horizontal scrapes slag pipe 16, the upper end of vertical rotary pipe 15 stretches out from the top of smelting furnace 1 and is fixedly connected with bevel gear one 12, bevel gear one 12 is engaged with bevel gear two 13, bevel gear two 13 is connected with change over motor one 14, filter box 7 is fixed on smelting furnace 1, be equipped with screen 9 in filter box 7, be equipped with feed inlet on the filter box 7 above screen 9, be equipped with discharge outlet 8 on the filter box 7 below screen 9, discharge outlet 8 communicates with the top of smelting furnace 1, the top end of vertical rotary pipe 15 is connected with guide pipe 10 through swivel joint, guide pipe 10 communicates with feed inlet, be equipped with suction pump 11 on guide pipe.
[0019] The lower end of horizontal scrapes slag pipe 16 is rotatably connected with slag baffle 18 through bearing, the lower surface of slag baffle 18 is flush with the lower surface of horizontal scrapes slag pipe 16, the inner wall of smelting furnace 1 corresponding to slag baffle 18 is equipped with vertical limiting groove 20, and the other end of slag baffle 18 is slidably arranged in limiting groove 20. By setting, when horizontal scrapes slag pipe 16 rotates with vertical rotary pipe 15, impurities can be concentrated between slag baffle 18 and horizontal scrapes slag pipe 16, so that horizontal scrapes slag pipe 16 can fully suck away impurities, and the scraping efficiency and effect are improved.
[0020] The vertical rotary pipe 15 is connected with the door-shaped frame 6, the upper end of the vertical rotary pipe 15 penetrates the center of the door-shaped frame 6 and is rotatably connected with the door-shaped frame 6 through a bearing, the bevel gear one 12 is located on the vertical rotary pipe 15 above the door-shaped frame 6, the change over motor one 14 is fixed on the door-shaped frame 6, two vertical screw rods 3 are arranged on the outer wall of the smelting furnace 1, the two screw rods 3 are symmetrical about the central axis of the smelting furnace 1, the upper and lower ends of the screw rod 3 are fixedly connected with the fixed blocks 2 on the side walls of the smelting furnace 1, the upper and lower ends of the screw rod 3 are rotatably connected with the corresponding fixed blocks 2 through bearings, the lower end of the screw rod 3 is connected with the change over motor two 4 after penetrating the fixed block 2, the two screw rods 3 are respectively threadedly connected with the moving blocks 5, and the lower ends of the door-shaped frames 6 are respectively fixedly connected with the corresponding moving blocks 5. Through the synchronous rotation of the two change over motor two 4, the two moving blocks 5 drive the door-shaped frame 6 to move up and down along the screw rod 3, so as to adjust the height of the vertical rotary pipe 15 extending into the smelting furnace 1, and the horizontal scrapes slag pipe 16 can be conveniently used for scraping slag operation on molten liquid of different heights.
[0021] The top of the smelting furnace 1 is provided with a distance sensor, which is electrically connected with the reversible motor two 4.
[0022] The filter box 7 is provided with an openable and closable slag discharge port, which is arranged on the side wall of the filter box 7 corresponding to the filter screen 9. It is convenient to centrally clean the filtered slag.
[0023] The distance sensor, the rotary joint, the reversible motor one, the reversible motor two, the on-off valve and the filter screen in the above embodiments are all prior art, and the present application does not improve them, but only uses their existing functions; their specific structure and principle can refer to product manuals or prior art materials, which are all prior art.
[0024] The above has described the embodiments of the present application, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments. Any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A slagging device for a smelting furnace, comprising a smelting furnace; characterized in that: The smelting furnace is internally provided with a slag removing assembly, which comprises a vertical rotating pipe, a horizontal slag removing pipe, a forward and reverse motor and a filter box.
2. A slagging device for a smelting furnace according to claim 1, characterized in that The lower end of the horizontal slag removing pipe is rotatably connected with a slag blocking plate through a bearing, and the corresponding inner wall of the smelting furnace is provided with a vertical limiting groove.
3. A slagging device for a smelting furnace according to claim 1, characterized in that The vertical rotating pipe is connected with a door-shaped frame, the upper end of the vertical rotating pipe penetrates the center of the door-shaped frame and is rotatably connected with the door-shaped frame through a bearing, the conical gear one is arranged on the vertical rotating pipe above the door-shaped frame, the forward and reverse motor one is fixed on the door-shaped frame, the outer wall of the smelting furnace is provided with two vertical screws, the two screws are symmetrical about the central axis of the smelting furnace, the upper and lower ends of the screws are fixed with fixed blocks on the corresponding side walls of the smelting furnace, the upper and lower ends of the screws are rotatably connected with the corresponding fixed blocks through bearings, the lower end of the screw penetrates the fixed block and is connected with a forward and reverse motor two, the two screws are respectively threadedly connected with moving blocks, and the lower end of the door-shaped frame is fixedly connected with the corresponding moving blocks.
4. A slagging device for a smelting furnace according to claim 3, characterized in that The top of the smelting furnace is provided with a distance sensor, and the distance sensor is electrically connected with the forward and reverse motor two.
5. A slagging device for a smelting furnace according to claim 1, characterized in that: The filter box is provided with an openable and closable slag discharging port, and the slag discharging port is arranged on the side wall of the filter box corresponding to the filter screen.