Efficient separation flotation device for blast furnace fly ash

Abstract

The utility model relates to the technical field of comprehensive utilization of blast furnace iron-containing dust and mud resources, and discloses a blast furnace fly ash efficient separation flotation device which comprises a first flotation box, a second flotation box and a third flotation box. The supporting frames are fixedly installed at the bottom of the first flotation box, the supporting frames are placed on the ground, and the number of the supporting frames is two; the adjusting structure comprises two groups of movable plates, and the movable plates are arranged in the first flotation box; the flotation structure comprises a second flotation box, the second flotation box is fixedly installed at the bottom of the inner side of the first flotation box, and the outer walls of the two sides of the second flotation box are each provided with a set of notches, so that the purpose of adjusting the height position of the discharging plate is achieved, and the height of the discharging plate is adjusted according to water level changes of the flotation boxes; and the mode of changing the water level by adding water is replaced, the flotation efficiency of the device is improved, and the use convenience of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of comprehensive utilization of blast furnace iron-containing dust and mud resources, and specifically relates to a blast furnace dust removal ash high-efficiency separation and flotation device. Background Art

[0002] In the steel production process, the treatment of blast furnace dust has always been an important and complex issue. These dust ashes often contain a large amount of useful elements, such as iron, carbon, zinc, etc., but also contain a large amount of impurities. How to effectively separate and recycle these useful elements, reduce resource waste, and improve production efficiency has become a problem that needs to be urgently solved in the steel industry.

[0003] The utility model with announcement number CN210496833U belongs to the technical field of comprehensive utilization of iron-containing dust and mud resources in blast furnaces, and proposes a highly efficient separation device for blast furnace bag dust removal ash, including: a first feed port is arranged at the top of the immersion barrel, and a first discharge port is arranged at the bottom of the immersion barrel; a first stirring device is used to stir the slurry in the immersion barrel; an abrasive device is used to grind the block material in the slurry; a third discharge port and a fourth discharge port are arranged on both sides of the top of the flotation box, a third feed port is arranged at the top of the flotation box, and the second discharge port is communicated with the third feed port, two scraping devices are respectively located at the third discharge port and the fourth discharge port, and a second stirring device is arranged on the flotation box, and the second stirring device is used to stir the slurry in the flotation box. Through the above technical scheme, the problem that the dust removal ash separation equipment in the prior art cannot work continuously is solved.

[0004] However, the above patent still has the following problems: during the flotation process of dust removal ash, the scraper device will push the slurry water in the slurry to the outside of the flotation box during the scraping process, and the water level of the flotation box will change. The discharge plate of the scraper device cannot be adjusted according to the water level change, and if new water is injected into the interior of the flotation box, the mixing ratio of the slurry in the flotation box will change, affecting the flotation effect of the flotation box. It is now necessary to adjust the discharge plate mechanism of the scraper device to ensure that the height of the discharge plate can be adjusted as the water level changes.

[0005] In view of this, the present utility model is proposed. Utility Model Content

[0006] In order to solve the technical problem that the height of the discharge plate cannot be adjusted according to the water level change, the basic concept of the technical solution adopted by the utility model is:

[0007] A blast furnace dust removal ash high-efficiency separation flotation device, comprising:

[0008] A first flotation box, the first flotation box is rectangular;

[0009] Support frame, the support frame is fixedly installed at the bottom of the first flotation box, the support frame is placed on the ground, and the number of the support frame is two groups;

[0010] An adjustment structure, the adjustment structure includes two sets of movable plates, and the movable plates are arranged inside the first flotation box;

[0011] The flotation structure comprises a second flotation box, the second flotation box is fixedly installed on the inner bottom of the first flotation box, and a group of notches are opened on the outer walls on both sides of the second flotation box.

[0012] As a preferred embodiment of the utility model, the adjustment structure also includes a second fixed plate fixedly installed on the outer walls on both sides of the second flotation box, a limiting slide groove is opened inside the second fixed plate, sliders are fixedly installed on the outer walls on both sides of the movable plate, a group of limiting plates are fixedly installed on the outer walls on both sides of the movable plate, one end of the slider is fixedly connected to the bottom of the limiting plate, the slider is slidably installed inside the limiting slide groove, and the edge of the movable plate is engaged with the groove on the outer wall of the second flotation box.

[0013] As a preferred embodiment of the utility model, the adjustment structure also includes a first fixed plate fixedly installed on the top of the second flotation box, a hydraulic cylinder is fixedly installed on the top of the first fixed plate, a hydraulic push rod is fixedly installed on the bottom of the first fixed plate, the output end of the hydraulic cylinder is fixedly connected to one end of the hydraulic push rod, and a connecting plate is fixedly installed on the other end of the hydraulic push rod, and the two ends of the connecting plate are respectively fixedly connected to the outer walls of one side of the two groups of movable plates, and a discharge plate is fixedly installed on the top of the movable plate.

[0014] As a preferred embodiment of the utility model, the flotation structure also includes a third servo motor fixedly installed on the top of the first fixed plate, a second rotating rod is rotatably installed on the bottom of the first fixed plate, the output shaft of the third servo motor is fixedly connected to one end of the second rotating rod through a coupling, and a stirring plate is fixedly installed on the other end of the second rotating rod.

[0015] As a preferred embodiment of the utility model, the flotation structure also includes a first servo motor and a second servo motor fixedly mounted on an outer wall of one side of the second flotation box, two groups of first rotating rods are rotatably mounted inside the second flotation box, and the output shafts of the first servo motor and the second servo motor are respectively fixedly connected to one end of the two groups of first rotating rods through couplings.

[0016] As a preferred embodiment of the utility model, the flotation structure also includes a fixed sleeve fixedly mounted on the outer wall of the first rotating rod, two groups of scraper plates are fixedly mounted on the outer wall of the fixed sleeve, and two groups of holes are opened on the outer wall of one side of the first flotation box, and a group of discharge barrels are fixedly mounted in the holes respectively.

[0017] As a preferred embodiment of the utility model, a hole is opened at the bottom of the first flotation box, a discharge pipe is fixedly installed in the hole, and a discharge valve is arranged on the outer wall of the discharge pipe.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] 1. To achieve the purpose of adjusting the height position of the discharge plate, adjust the height of the discharge plate according to the water level change of the flotation box, improve the flexibility of the device, replace the method of adding water to change the water level, improve the flotation efficiency of the device, and improve the convenience of using the device.

[0020] 2. To achieve the purpose of mixing and flotation of slurry, add frother to the slurry in batches, fully recycle the substances in the dust removal ash, improve the utilization efficiency of resources, simplify the operation steps of the device, and optimize the user experience of the device.

[0021] 3. To achieve the purpose of discharging and cleaning the residual slurry, it is convenient for subsequent workers to clean and maintain the device, reduce the cleaning pressure of the workers, extend the service life of the device, and improve the durability of the device.

[0022] The specific implementation of the utility model is further described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In the attached picture:

[0024] Figure 1 It is a side perspective view of the utility model;

[0025] Figure 2 It is a front view of the utility model;

[0026] Figure 3 It is a top view of the utility model;

[0027] Figure 4 This is a schematic diagram of the second rotating rod structure of the utility model;

[0028] Figure 5 This is a schematic diagram of the hydraulic push rod structure of the utility model;

[0029] Figure 6 It is a schematic diagram of the second fixed plate structure and the movable plate structure of the utility model;

[0030] Figure 7 This is a disassembled view of the second fixed plate and the movable plate of the utility model.

[0031] In the figure: 10, first flotation box; 11, support frame; 12, second flotation box; 13, first servo motor; 14, second servo motor; 15, first rotating rod; 16, fixed sleeve; 17, scraper plate; 18, first fixed plate; 19, third servo motor; 20, second rotating rod; 21, stirring plate; 22, hydraulic cylinder; 23, hydraulic push rod; 24, connecting plate; 25, second fixed plate; 26, limiting slide; 27, movable plate; 28, discharge plate; 29, limiting plate; 30, slider; 31, discharge barrel; 32, discharge pipe; 33, discharge valve. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model.

[0033] Embodiment 1: A blast furnace dust removal ash high efficiency separation flotation device, specifically as follows Figure 1 As shown, it includes a first flotation box 10, which is rectangular; a support frame 11, which is fixedly installed at the bottom of the first flotation box 10, and is placed on the ground, and the number of the support frames 11 is two groups; an adjustment structure, which includes two groups of movable plates 27, and the movable plates 27 are arranged inside the first flotation box 10; a flotation structure, which includes a second flotation box 12, which is fixedly installed at the inner bottom of the first flotation box 10, and a group of notches are opened on the outer walls of both sides of the second flotation box 12. The height of the discharge plate is adjusted by the adjustment structure, and the dust removal ash is floated by the flotation structure.

[0034] Specific as Figure 1 , Figure 2 , Figure 6 and Figure 7 As shown, the adjustment structure also includes a second fixed plate 25 fixedly mounted on the outer walls of both sides of the second flotation box 12, and a limiting slide groove 26 is provided inside the second fixed plate 25. Slide blocks 30 are fixedly mounted on the outer walls of both sides of the movable plate 27, and a group of limiting plates 29 are fixedly mounted on the outer walls of both sides of the movable plate 27. One end of the slide block 30 is fixedly connected to the bottom of the limiting plate 29, and the slide block 30 is slidably mounted inside the limiting slide groove 26, and the edge of the movable plate 27 is engaged with the notch on the outer wall of the second flotation box 12. The movable plate 27 and the slide block 30 are limited by the limiting slide groove 26, so that the movable plate 27 slides inside the second fixed plate 25, and the movable plate 27 is limited by the discharge plate 28.

[0035] Specific as Figure 1 , Figure 5 , Figure 6 and Figure 7As shown, the adjustment structure also includes a first fixed plate 18 fixedly mounted on the top of the second flotation box 12, a hydraulic cylinder 22 is fixedly mounted on the top of the first fixed plate 18, a hydraulic push rod 23 is fixedly mounted on the bottom of the first fixed plate 18, the output end of the hydraulic cylinder 22 is fixedly connected to one end of the hydraulic push rod 23, the other end of the hydraulic push rod 23 is fixedly mounted with a connecting plate 24, the two ends of the connecting plate 24 are respectively fixedly connected to one side outer wall of two groups of movable plates 27, and a discharge plate 28 is fixedly mounted on the top of the movable plate 27. Start the hydraulic cylinder 22 to drive the hydraulic push rod 23 to move, drive the connection plate 24 to move up and down, drive the movable plate 27 to slide inside the second fixed plate 25, and adjust the height position of the discharge plate 28.

[0036] According to the above conclusions, through the structures of the first fixed plate 18, the hydraulic cylinder 22, the hydraulic push rod 23, the connecting plate 24, the second fixed plate 25, the limiting slide 26, the movable plate 27, the discharge plate 28, the limiting plate 29 and the slider 30, the purpose of adjusting the height position of the discharge plate is achieved, and the height of the discharge plate is adjusted according to the water level change of the flotation box, thereby improving the flexibility of the device, replacing the method of adding water to change the water level, improving the flotation efficiency of the device, and improving the convenience of the device.

[0037] Embodiment 2: Based on Embodiment 1, the specific Figure 1 , Figure 3 and Figure 4 As shown, the flotation structure also includes a third servo motor 19 fixedly mounted on the top of the first fixed plate 18, a second rotating rod 20 is rotatably mounted on the bottom of the first fixed plate 18, the output shaft of the third servo motor 19 is fixedly connected to one end of the second rotating rod 20 through a coupling, and a stirring plate 21 is fixedly mounted on the other end of the second rotating rod 20. Dust removal ash and water are added to the interior of the second flotation box 12 in proportion, the third servo motor 19 is started, the second rotating rod 20 driven by it rotates, and the slurry is stirred and mixed through the stirring plate 21.

[0038] Specific as Figure 1 , Figure 2 and Figure 3 As shown, the flotation structure also includes a first servo motor 13 and a second servo motor 14 fixedly mounted on an outer wall of one side of the second flotation box 12, and two groups of first rotating rods 15 are rotatably mounted inside the second flotation box 12, and the output shafts of the first servo motor 13 and the second servo motor 14 are fixedly connected to one end of the two groups of first rotating rods 15 through couplings.

[0039] Specific as Figure 1 , Figure 2 and Figure 3As shown, the flotation structure also includes a fixed sleeve 16 fixedly mounted on the outer wall of the first rotating rod 15, two groups of scraping plates 17 are fixedly mounted on the outer wall of the fixed sleeve 16, and two groups of holes are opened on the outer wall of one side of the first flotation box 10, and a group of discharge barrels 31 are fixedly mounted in the holes. A carbon foaming agent is added to the slurry, and the first servo motor 13 is started to drive a group of first rotating rods 15 to rotate, and the foam generated for the first time is scraped out through the two groups of scraping plates 17. A zinc foaming agent is added, the first servo motor 13 is turned off, and the second servo motor 14 is started to drive another group of first rotating rods 15 to rotate, and the foam generated for the second time is scraped out through the other two groups of scraping plates 17, and the slurry of the two flotations is discharged through the discharge barrel 31.

[0040] According to the above conclusions, through the structure of the first servo motor 13, the second servo motor 14, the first rotating rod 15, the fixed sleeve 16, the scraper plate 17, the third servo motor 19, the second rotating rod 20, the stirring plate 21 and the discharge barrel 31, the purpose of mixing and floating the slurry is achieved, the foaming agent is added to the slurry in batches, the substances in the dust ash are fully recovered, the utilization efficiency of resources is improved, the operation steps of the device are simplified, and the user experience of the device is optimized.

[0041] Embodiment 3: Based on Embodiment 1 and Embodiment 2, the specific Figure 1 , Figure 2 and Figure 3 As shown, a hole is provided at the bottom of the first flotation box 10, a discharge pipe 32 is fixedly installed in the hole, and a discharge valve 33 is provided on the outer wall of the discharge pipe 32. After flotation is completed, the discharge valve 33 is opened to discharge the residual material inside the second flotation box 12 through the discharge pipe 32.

[0042] In summary, through the structure of the discharge pipe 32 and the discharge valve 33, the purpose of discharging and cleaning the residual slurry is achieved, which is convenient for subsequent workers to clean and maintain the device, reduces the cleaning pressure of the workers, extends the service life of the device, and improves the durability of the device.

[0043] Working principle: The device realizes efficient treatment of dust ash by combining the adjustment structure and the flotation structure. The device includes a first flotation box 10 and a support frame 11, and is provided with an adjustable height discharge plate 28, a stirring plate 21 and a scraper plate 17. The adjustment structure allows the height of the discharge plate 28 to be adjusted according to demand, while the flotation structure stirs and mixes the dust ash and water, and adds carbon foaming agent and zinc foaming agent respectively to perform two flotations to separate different components, and discharges the residual material through the discharge pipe 32 to complete the entire treatment process.

[0044] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A blast furnace dust removal ash high efficiency separation flotation device, characterized in that: include: A first flotation box (10), the first flotation box (10) is rectangular; A support frame (11), the support frame (11) is fixedly installed at the bottom of the first flotation box (10), the support frame (11) is placed on the ground, and the number of the support frames (11) is two groups; An adjustment structure, the adjustment structure comprising two sets of movable plates (27), the movable plates (27) being arranged inside the first flotation box (10); The flotation structure comprises a second flotation box (12), the second flotation box (12) is fixedly mounted on the inner bottom of the first flotation box (10), and a group of notches are provided on both side outer walls of the second flotation box (12).

2. The blast furnace dust removal ash high-efficiency separation flotation device according to claim 1 is characterized in that: The adjustment structure also includes a second fixed plate (25) fixedly mounted on the outer walls on both sides of the second flotation box (12); a limiting slide groove (26) is provided inside the second fixed plate (25); sliders (30) are fixedly mounted on the outer walls on both sides of the movable plate (27); a group of limiting plates (29) are fixedly mounted on the outer walls on both sides of the movable plate (27); one end of the slider (30) is fixedly connected to the bottom of the limiting plate (29); the slider (30) is slidably mounted inside the limiting slide groove (26); and the edge of the movable plate (27) is engaged with a notch on the outer wall of the second flotation box (12).

3. The blast furnace dust efficient separation flotation device according to claim 1 is characterized in that: The regulating structure also includes a first fixed plate (18) fixedly mounted on the top of the second flotation box (12); a hydraulic cylinder (22) is fixedly mounted on the top of the first fixed plate (18); a hydraulic push rod (23) is fixedly mounted on the bottom of the first fixed plate (18); an output end of the hydraulic cylinder (22) is fixedly connected to one end of the hydraulic push rod (23); a connecting plate (24) is fixedly mounted on the other end of the hydraulic push rod (23); two ends of the connecting plate (24) are respectively fixedly connected to one side outer wall of two groups of movable plates (27); and a discharge plate (28) is fixedly mounted on the top of the movable plate (27).

4. The blast furnace dust efficient separation flotation device according to claim 1, characterized in that: The flotation structure further comprises a third servo motor (19) fixedly mounted on the top of the first fixed plate (18); a second rotating rod (20) is rotatably mounted on the bottom of the first fixed plate (18); an output shaft of the third servo motor (19) is fixedly connected to one end of the second rotating rod (20) via a coupling; a stirring plate (21) is fixedly mounted on the other end of the second rotating rod (20).

5. The blast furnace dust efficient separation flotation device according to claim 1 is characterized in that: The flotation structure further comprises a first servo motor (13) and a second servo motor (14) fixedly mounted on an outer wall of one side of the second flotation box (12); two groups of first rotating rods (15) are rotatably mounted inside the second flotation box (12); the output shafts of the first servo motor (13) and the second servo motor (14) are respectively fixedly connected to one end of the two groups of first rotating rods (15) via couplings.

6. The blast furnace dust efficient separation flotation device according to claim 1, characterized in that: The flotation structure further comprises a fixed sleeve (16) fixedly mounted on the outer wall of the first rotating rod (15), two groups of froth scraping plates (17) being fixedly mounted on the outer wall of the fixed sleeve (16), and two groups of holes being opened on the outer wall of one side of the first flotation box (10), and a group of discharge barrels (31) being fixedly mounted in each of the holes.

7. The blast furnace dust efficient separation flotation device according to claim 1, characterized in that: The bottom of the first flotation box (10) is provided with a hole, a discharge pipe (32) is fixedly installed in the hole, and a discharge valve (33) is provided on the outer wall of the discharge pipe (32).

Images