Wet dust removal device for steel slag production line

Abstract

The utility model discloses a wet dust removal device for a steel slag production line, which comprises a dust remover body, a dust-containing air shell arranged at the top of one side of the dust remover body, a purified air discharge port arranged at the top of the other side of the dust remover body, a spraying chamber arranged inside the dust-containing air shell, and a plurality of atomizing nozzles arranged at the top of the inner wall of the spraying chamber, a water supply pipe is arranged at the top of the dust-containing air shell, a dust removal chamber is arranged on one side in the dust remover body, a dehydration chamber is arranged on the other side in the dust remover body, an S-shaped bend is arranged on one side of the inner wall of the dust removal chamber, and a rotating shaft is rotationally connected to the bottom of one side of the inner wall of the dust removal chamber; three layers of arc-shaped baffles are arranged on one side of the inner wall of the dewatering chamber, and a baffle plate is arranged on the upper portion, close to the three layers of arc-shaped baffles, of the inner wall of the dewatering chamber, According to the wet dust removal device for the steel slag production line, dust-containing gas is treated by the whole wet dust remover in multiple modes, dust removal is efficient, and the dust removal effect is good.

Description

Technical Field

[0001] The utility model relates to the field of steel slag production, in particular to a wet dust removal device for a steel slag production line. Background Art

[0002] The purpose of slag treatment is to complete the cooling, pulverization and magnetic separation of slag steel of the high-temperature liquid slag produced by the converter or electric furnace during the steelmaking process. The cooling process of slag treatment is accompanied by the generation of a large amount of smoke and dust.

[0003] Existing steel slag production lines use wet dust removal devices for dust removal. However, the existing wet dust removal equipment often only performs simple water adsorption treatment on dust-containing gases. The treated gas still contains some smaller particles of dust, and the dust removal effect needs to be improved. Utility Model Content

[0004] The purpose of the utility model is to provide a wet dust removal device for a steel slag production line to solve the problem that the existing steel slag production line proposed in the above background technology adopts a wet dust removal device for dust removal, but the existing wet dust removal equipment often only performs simple water adsorption treatment on the dust-containing gas, and the treated gas still contains some smaller particles of dust, and the dust removal effect needs to be improved.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wet dust removal device for a steel slag production line, comprising a dust collector body, a support frame is installed at the bottom of the outer side of the dust collector body, a dust-containing air shell is provided at the top of one side of the dust collector body, an air inlet is provided in the middle of the dust-containing air shell, a clean air discharge port is provided at the top of the other side of the dust collector body, a spray chamber is provided inside the dust-containing air shell, a plurality of atomizing nozzles are installed at the top of the inner wall of the spray chamber, a water supply pipe is provided at the top of the dust-containing air shell, a dust removal chamber is provided on one side of the inner side of the dust collector body, a dehydration chamber is provided on the other side of the inner side of the dust collector body, an S-bend is provided on one side of the inner wall of the dust removal chamber, a rotating shaft is rotatably connected to the bottom of one side of the inner wall of the dust removal chamber, an impeller blade is installed in the middle of the rotating shaft, a three-layer arc baffle is provided on one side of the inner wall of the dehydration chamber, a baffle is provided above the inner wall of the dehydration chamber near the three-layer arc baffle, and a conical water trough is provided at the bottom of the dust collector body.

[0006] Preferably, a bottom supporting angle steel is fixedly connected to the bottom of the support frame, and a plurality of fixing holes are provided on the surface of the bottom supporting angle steel. The bottom supporting angle steel and the fixing holes facilitate the fixing work of the bottom of the support frame.

[0007] Preferably, a water inlet is provided on one side of the dust-laden air shell, and the bottom of the water supply pipe is connected to a plurality of short tubes, and the short tubes are connected to the atomizing nozzle.

[0008] Preferably, the dust removal chamber and the dehydration chamber are both connected to the conical water tank, and a sewage outlet is provided at the bottom of the conical water tank for facilitating the discharge of accumulated sewage and sludge.

[0009] Preferably, a plurality of inspection covers are provided in the middle of the dust collector body on one side close to the clean air discharge port, and a plurality of reinforcement frames are fixedly installed in the middle of the support frame.

[0010] Preferably, one side of the S-curve corresponds to one side of the impeller blade, and one side of the three-layer arc-shaped baffle corresponds to the other side of the impeller blade.

[0011] Preferably, a mounting plate is installed on one side of the top of the inner wall of the dust collector body close to the clean air discharge port, and an exhaust fan is installed at the bottom of the mounting plate. The input end of the exhaust fan corresponds to the top of the baffle, and the output end of the exhaust fan extends to the inside of the clean air discharge port. The exhaust fan is convenient for generating negative pressure suction, so that the clean gas processed inside the dust collector body can be discharged to the outside.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The dust-laden air enters the interior of the dust collector through the dust-laden air shell, and water can be atomized and sprayed into the interior of the dust-laden air shell through the atomizing nozzle. After the dust-laden air enters the spray chamber of the dust-laden air shell, the droplet particles collide and contact with the dust particles in the air to complete the initial dust removal. Other dust-laden gases enter the interior of the dust removal chamber, and after passing through the S-bend, some heavier gases will directly hit the water and precipitate. Some dust-laden gases are blown onto the impeller blades. At this time, a water curtain will be generated when the dust-laden airflow passes through a stationary impeller blade that is partially immersed in water, and the dust is removed when passing through this water curtain. Finally, the gas after dust removal will reach the three-layer arc baffle and the deflector for dehydration treatment, and finally discharged. The entire wet dust collector can meet many dust removal needs, treat the dust-laden gas in multiple ways, and has efficient dust removal and good dust removal effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a side view of the utility model;

[0016] Figure 3 This is a front structural diagram of the utility model;

[0017] Figure 4 This is a partial internal structure diagram of the dust collector body of the utility model;

[0018] Figure 5 This is a diagram of the internal structure of the dust-containing air shell of the utility model.

[0019] In the figure: 1. Dust collector body; 2. Support frame; 3. Dust-containing air shell; 4. Clean air discharge port; 5. Bottom support angle steel; 6. Fixing hole; 7. Air inlet; 8. Conical water tank; 9. Sewage outlet; 10. Water inlet; 11. Dust removal chamber; 12. Dehydration chamber; 13. S-bend; 14. Rotating shaft; 15. Impeller blade; 16. Three-layer arc baffle; 17. Baffle; 18. Mounting plate; 19. Exhaust fan; 20. Spray chamber; 21. Short pipe; 22. Water supply pipe; 23. Atomizing nozzle; 24. Inspection cover; 25. Reinforcement frame. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-5 The utility model provides a wet dust removal device for a steel slag production line, comprising a dust collector body 1, a support frame 2 is installed at the bottom of the outer side of the dust collector body 1, a dust-containing air shell 3 is provided on the top of one side of the dust collector body 1, an air inlet 7 is provided in the middle of the dust-containing air shell 3, a clean air discharge port 4 is provided on the top of the other side of the dust collector body 1, a spray chamber 20 is provided inside the dust-containing air shell 3, a plurality of atomizing nozzles 23 are installed on the top of the inner wall of the spray chamber 20, a water supply pipe 22 is provided on the top of the dust-containing air shell 3, a dust removal chamber 11 is provided on one side of the interior of the dust collector body 1, and a dehydration chamber 12 is provided on the other side of the interior of the dust collector body 1. An S-curve 13 is provided on one side of the inner wall of the chamber 11, a rotating shaft 14 is rotatably connected to the bottom of one side of the inner wall of the dust removal chamber 11, an impeller blade 15 is installed in the middle of the rotating shaft 14, a three-layer arc baffle 16 is provided on one side of the inner wall of the dehydration chamber 12, a baffle 17 is provided on the inner wall of the dehydration chamber 12 near the top of the three-layer arc baffle 16, a conical water tank 8 is provided at the bottom of the dust collector body 1, a bottom support angle steel 5 is fixedly connected to the bottom of the support frame 2, and a plurality of fixing holes 6 are provided on the surface of the bottom support angle steel 5, a plurality of inspection covers 24 are provided in the middle of the dust collector body 1 near the clean air discharge port 4, and a plurality of reinforcement frames 25 are fixedly installed in the middle of the support frame 2;

[0022] In this embodiment, the dust-laden gas enters the dust removal chamber 11, and after passing through the S-bend 13, some heavier gases will directly hit the water and precipitate, and some dust-laden gas will be blown onto the impeller blade 15. At this time, a water curtain will be generated when the dust-laden airflow passes through a stationary impeller blade 15 that is partially immersed in water, and the dust is removed when passing through this water curtain.

[0023] See also Figure 1-3A water inlet 10 is provided on one side of the dust-containing air shell 3, a plurality of short pipes 21 are connected to the bottom of the water supply pipe 22, the short pipes 21 are connected to the atomizing nozzle 23, the dust removal chamber 11 and the dehydration chamber 12 are both connected to the conical water tank 8, and a sewage outlet 9 is provided at the bottom of the conical water tank 8;

[0024] In this embodiment, water is supplied to the water supply pipe 22 from the outside, and then the water can be atomized and sprayed into the interior of the dust-laden air shell 3 through the atomizing nozzle 23. After the dust-laden air enters the spray chamber 20 of the dust-laden air shell 3, the droplet particles collide and contact with the dust particles in the air, so that some large-diameter dust particles can be directly captured by the droplets and condensed in the droplets to complete dust removal.

[0025] See also Figure 1-5 , one side of the S-curve 13 corresponds to one side of the impeller blade 15, one side of the three-layer arc-shaped baffle 16 corresponds to the other side of the impeller blade 15, a mounting plate 18 is installed on one side of the top of the inner wall of the dust collector body 1 close to the clean air discharge port 4, an exhaust fan 19 is installed at the bottom of the mounting plate 18, the input end of the exhaust fan 19 corresponds to the top of the baffle 17, and the output end of the exhaust fan 19 extends to the inside of the clean air discharge port 4;

[0026] In this embodiment, the gas after dust removal is dehydrated through three layers of arc-shaped baffles 16 and deflectors 17, and finally the exhaust fan 19 works to discharge the clean air to the outside through the clean air discharge port 4 and is discharged through an external chimney.

[0027] During specific use, the utility model is a wet dust removal device for a slag production line. Water is added to the dust collector body 1, and the water surface covers the impeller blades 15. The impeller blades 15 are partially submerged in water. During use, the dust-laden air enters the interior of the dust collector body 1 through the dust-laden air shell 3, and when passing through the interior of the dust-laden air shell 3, water is supplied to the water supply pipe 22 through the outside, and then the water can be atomized and sprayed into the interior of the dust-laden air shell 3 through the atomizing nozzle 23. After the dust-laden air enters the spray chamber 20 of the dust-laden air shell 3, the mist droplets collide and contact with the dust particles in the air, so that some large-diameter dust particles can be directly captured by the mist droplets and condensed in the mist droplets, and finally flow to the interior of the dust collector body 1, and enter the conical water trough 8 with the water flow at the bottom of the dust collector body 1 to precipitate, and its Its dust-containing gas enters the dust removal chamber 11, and after passing through the S-bend 13, some heavier gases will directly hit the water and precipitate, and some dust-containing gases will be blown onto the impeller blade 15. At this time, a water curtain will be generated when the dust-containing airflow passes through a stationary impeller blade 15 that is partially immersed in water, and the dust is removed when passing through this water curtain. Finally, the gas after dust removal will reach the three-layer arc baffle 16. When passing through the three-layer arc baffle 16, most of the liquid particles are separated from the air, and then dehydrated again through the deflector 17. Finally, the exhaust fan 19 works to discharge the clean air to the outside through the clean air discharge port 4 and discharged through the external chimney. The entire wet dust collector can meet many dust removal needs, treat the dust-containing gas in multiple ways, and has high dust removal efficiency and good dust removal effect.

[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A wet dust removal device for a steel slag production line, comprising a dust collector body (1), characterized in that: A support frame (2) is installed at the bottom of the outer side of the dust collector body (1); a dust-containing air shell (3) is installed at the top of one side of the dust collector body (1); an air inlet (7) is installed in the middle of the dust-containing air shell (3); a clean air discharge port (4) is installed at the top of the other side of the dust collector body (1); a spray chamber (20) is installed inside the dust-containing air shell (3); a plurality of atomizing nozzles (23) are installed at the top of the inner wall of the spray chamber (20); a water supply pipe (22) is installed at the top of the dust-containing air shell (3); and a dust collector (20) is installed on one side of the interior of the dust collector body (1). A chamber (11) is provided, a dehydration chamber (12) is provided on the other side of the dust collector body (1), an S-shaped curve (13) is provided on one side of the inner wall of the dust collector chamber (11), a rotating shaft (14) is rotatably connected to the bottom of one side of the inner wall of the dust collector chamber (11), an impeller blade (15) is installed in the middle of the rotating shaft (14), a three-layer arc-shaped baffle (16) is provided on one side of the inner wall of the dehydration chamber (12), a baffle (17) is provided on the inner wall of the dehydration chamber (12) near the top of the three-layer arc-shaped baffle (16), and a conical water trough (8) is provided at the bottom of the dust collector body (1).

2. A wet dust removal device for a steel slag production line according to claim 1, characterized in that: A bottom support angle steel (5) is fixedly connected to the bottom of the support frame (2), and a plurality of fixing holes (6) are provided on the surface of the bottom support angle steel (5).

3. A wet dust removal device for a steel slag production line according to claim 1, characterized in that: A water inlet (10) is provided on one side of the dust-containing air shell (3); the bottom of the water supply pipe (22) is connected to a plurality of short pipes (21); and the short pipes (21) are connected to the atomizing nozzle (23).

4. A wet dust removal device for a steel slag production line according to claim 1, characterized in that: The dust removal chamber (11) and the dehydration chamber (12) are both connected to the conical water tank (8), and a sewage outlet (9) is provided at the bottom of the conical water tank (8).

5. The wet dust removal device for a steel slag production line according to claim 1, characterized in that: A plurality of inspection covers (24) are provided in the middle of the dust collector body (1) on one side close to the clean air discharge port (4), and a plurality of reinforcement frames (25) are fixedly installed in the middle of the support frame (2).

6. A wet dust removal device for a steel slag production line according to claim 1, characterized in that: One side of the S-curve (13) corresponds to one side of the impeller blade (15), and one side of the three-layer arc-shaped baffle (16) corresponds to the other side of the impeller blade (15).

7. The wet dust removal device for a steel slag production line according to claim 1, characterized in that: A mounting plate (18) is installed on one side of the top of the inner wall of the dust collector body (1) close to the clean air discharge port (4), and an exhaust fan (19) is installed at the bottom of the mounting plate (18); an input end of the exhaust fan (19) corresponds to the top of the baffle plate (17), and an output end of the exhaust fan (19) extends to the inside of the clean air discharge port (4).

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