A granulated blast furnace slag powder drying device

Abstract

The utility model discloses a granulated blast furnace slag powder drying device, comprising a drying box and fixed legs, a motor fixing seat is installed on one side of the drying box, a driving motor is installed on the motor fixing seat, a hollow shaft is rotatably connected in the drying box, one end of the hollow shaft is fixedly connected to the output end of the driving motor, a plurality of stirring plates are installed on the hollow shaft, a fixed base is installed between the fixed legs, a hot air blower is installed on the fixed base, an L-shaped air duct is installed at the air outlet end of the hot air blower, an oblique hot air duct is connected to the top of the L-shaped air duct, a fixed support rod is installed at the top of the drying box, and a plurality of air outlet ducts are connected to the oblique hot air duct. The beneficial effect of the utility model is that the slag powder can be evenly heated, the slag powder is evenly and fully dried, the drying efficiency is improved, the work efficiency is improved, the slag dust is prevented from entering the hot air blower, the service life is improved, and the use cost is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of granulated blast furnace slag powder equipment, in particular to a granulated blast furnace slag powder drying device. Background Art

[0002] Granulated blast furnace slag is a raw material for producing cement. When smelting pig iron in a blast furnace, the molten material with silicate and aluminosilicate as the main components is quenched into granules to become granulated blast furnace slag. In the production process of granulated blast furnace slag powder, it is usually necessary to dry the slag powder inside.

[0003] The utility model with application number CN202123426417.9 discloses a granulated blast furnace slag powder drying device. Through the setting of drying fans and heating devices, through the setting of drying fans, two groups of drying fans are set, and the two groups of drying fans are more comprehensive and effective in drying the granulated blast furnace slag powder, which improves the working efficiency of the device. Through the setting of heating devices, multiple groups of heating devices heat the dried granulated blast furnace slag powder, making the drying effect of the granulated blast furnace slag powder more thorough.

[0004] The above-mentioned device dries the granulated blast-furnace slag powder by means of a drying fan, and the drying fan is arranged in a granulated blast-furnace box. When the agitator stirs the granulated blast-furnace slag powder, dust can easily enter into the drying fan, which can easily cause damage to the drying fan, thereby reducing its service life and increasing its use cost. The agitator cannot stir the granulated blast-furnace slag powder that has sunk to the bottom, and the granulated blast-furnace slag powder at the bottom cannot be heated evenly, resulting in poor drying effect and low drying efficiency.

[0005] It should be noted that the above contents belong to the technical knowledge of the inventor and do not necessarily constitute prior art. Utility Model Content

[0006] The utility model aims to solve the above problems and designs a granulated blast furnace slag powder drying device.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A granulated blast furnace slag powder drying device comprises a drying box body and fixed legs, a motor fixing seat is installed on one side of the drying box body, a driving motor is installed on the motor fixing seat, a hollow rotating shaft is rotatably connected in the drying box body, the hollow rotating shaft is located below the center of the drying box body, two ends of the hollow rotating shaft pass through and extend out of the drying box body, one end of the hollow rotating shaft is fixedly connected to the output end of the driving motor, a plurality of stirring plates are installed on the hollow rotating shaft, a fixed base is installed between the fixed legs, a hot air blower is installed on the fixed base, an L-shaped air supply pipe is installed at the air outlet end of the hot air blower, the top of the L-shaped air supply pipe is connected to an oblique hot air pipe, a fixed support rod is installed at the top of the inside of the drying box body, one end of the fixed support rod is fixedly connected to the oblique hot air pipe, and the oblique hot air pipe is connected to a plurality of air outlet pipes.

[0009] Furthermore, a rotary joint is installed on the L-shaped air supply pipe, one end of the rotary joint is fixedly connected to the other end of the hollow rotating shaft, and the hollow rotating shaft is provided with a plurality of air outlet holes, and the air outlet holes are distributed between adjacent stirring plates.

[0010] Furthermore, a one-way valve is installed at the horizontal arm end of the L-shaped air supply pipe, and the one-way valve is located at one end of the vertical arm end of the L-shaped air supply pipe. A slag discharge pipe is connected to the bottom of the vertical arm end of the L-shaped air supply pipe, and a slag discharge valve is installed on the slag discharge pipe.

[0011] Furthermore, a feed hopper is provided on one side of the top of the drying box body, a discharge port is provided at the center of the bottom of the drying box body, a connecting seat is installed on one side of the drying box body, an arc-shaped bottom plate is hinged on the connecting seat, an arc-shaped sealing plate is installed on the arc-shaped bottom plate, the arc-shaped sealing plate is matched with the discharge port, a hinged seat is installed below the side of the arc-shaped bottom plate away from the connecting seat, a power push rod is hinged on the fixed base, and the telescopic end of the power push rod is hingedly connected to the hinged seat.

[0012] Furthermore, the stirring plates are provided with two groups, the two groups of stirring plates are distributed on both sides of the hollow rotating shaft, the two groups of stirring plates are staggered with each other, and there is a gap between the stirring plates and the air outlet pipe.

[0013] Furthermore, one end of the arc bottom plate away from the connecting seat extends out of the bottom of the drying box body, and the size of the arc sealing plate is completely consistent with the size of the discharge port.

[0014] Compared with the prior art, this technical solution has the following beneficial effects:

[0015] The hot air generated by the hot air blower is transported through the L-shaped air delivery pipe, and the hot air is transported to the oblique hot air pipe and the hollow shaft. The oblique hot air pipe blows the hot air into the drying box through the air outlet pipe for drying. The driving motor drives the hollow shaft to drive the stirring plate to rotate, and the slag powder is stirred by the stirring plate. The hot air in the hollow shaft is blown onto the surface of the slag powder through the air outlet hole, and the slag powder is dried while being stirred, so that the slag powder can be evenly heated, and the slag powder is evenly and fully dried, thereby improving the drying efficiency and the work efficiency;

[0016] The inclined hot air duct is set at an angle. If dust enters the inclined hot air duct, the dust can slide out along the inclined direction of the inclined hot air duct, and the slag dust can be blocked by the one-way valve. The hot air can pass through the one-way valve, but the slag dust cannot pass through the one-way valve. The slag dust will be collected in the vertical arm end of the L-shaped air duct. After the drying work is completed, the operator drives the slag discharge valve to discharge the slag dust in the L-shaped air duct through the slag discharge pipe to prevent the slag dust from entering the hot air blower, thereby avoiding damage to the hot air blower, prolonging its service life, and saving the use cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a granulated blast furnace slag powder drying device described in the utility model.

[0018] Figure 2 Intended state of the discharge port.

[0019] Figure 3 This is an enlarged cross-sectional view of the side of the drying box.

[0020] Figure 4 for Figure 2 A partial enlarged view of point A in the middle.

[0021] In the figure: 1. Drying box; 2. Fixed legs; 3. Motor fixing seat; 4. Driving motor; 5. Hollow shaft; 6. Stirring plate; 7. Fixed base; 8. Hot air blower; 9. L-shaped air duct; 10. Oblique hot air duct; 11. Fixed support rod; 12. Air outlet duct; 13. Rotary joint; 14. Air outlet; 15. One-way valve; 16. Slag discharge pipe; 17. Slag discharge valve; 18. Feed hopper; 19. Discharge port; 20. Connecting seat; 21. Arc bottom plate; 22. Arc sealing plate; 23. Articulated seat; 24. Power push rod. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of 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.

[0023] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0024] The utility model provides Figure 1-4 The granulated blast furnace slag powder drying device shown in the figure comprises a drying box body 1 and fixed legs 2, a motor fixing seat 3 is installed on one side of the drying box body 1, a driving motor 4 is installed on the motor fixing seat 3, a hollow rotating shaft 5 is rotatably connected in the drying box body 1, the hollow rotating shaft 5 is located below the center of the drying box body 1, both ends of the hollow rotating shaft 5 extend through the drying box body 1, one end of the hollow rotating shaft 5 is fixedly connected to the output end of the driving motor 4, a plurality of stirring plates 6 are installed on the hollow rotating shaft 5, a fixed base 7 is installed between the fixed legs 2, a hot air blower 8 is installed on the fixed base 7, an L-shaped air duct 9 is installed at the air outlet end of the hot air blower 8, and an oblique hot air duct 10 is connected to the top of the L-shaped air duct 9, a fixed support rod 11 is installed at the top of the drying box body 1, one end of the fixed support rod 11 is fixedly connected to the oblique hot air duct 10, and a plurality of air outlet pipes 12 are connected to the oblique hot air duct 10,

[0025] Pour the granulated blast furnace slag powder into the drying box 1, and the hot air blower 8 starts to work. The hot air generated by the hot air blower 8 is transported through the L-shaped air duct 9, and the hot air is transported to the inclined hot air duct 10 through the L-shaped air duct 9. The inclined hot air duct 10 blows the hot air into the drying box 1 through the air outlet 12 for drying. At the same time, the driving motor 4 starts to work, and the output end of the driving motor 4 drives the hollow shaft 5 to rotate, and the hollow shaft 5 drives the stirring plate 6 to rotate, and the slag powder is stirred by the stirring plate 6, so that the slag powder can be evenly heated, and the slag powder is dried evenly and fully. The inclined hot air duct 10 is inclined. If dust enters the inclined hot air duct 10, the dust can slide out along the oblique direction of the inclined hot air duct 10.

[0026] Refer to the instruction manual Figure 2 , Instruction Manual Figure 3 And the instruction manual Figure 4 A rotary joint 13 is installed on the L-shaped air delivery pipe 9, one end of the rotary joint 13 is fixedly connected to the other end of the hollow shaft 5, and a plurality of air outlet holes 14 are provided on the hollow shaft 5, and the air outlet holes 14 are distributed between adjacent stirring plates 6.

[0027] When the L-shaped air duct 9 transports hot air, the hot air is transported into the hollow rotating shaft 5 through the rotary joint 13. The rotary joint 13 does not hinder the rotation of the hollow rotating shaft 5 and can transport the hot air into the hollow rotating shaft 5. When the hollow rotating shaft 5 drives the stirring plate 6 to rotate to stir the slag powder, the hot air is blown onto the surface of the slag powder through the air outlet 14, and the slag powder is dried while being stirred, thereby improving the drying efficiency and the work efficiency.

[0028] Refer to the instruction manual Figure 1 And the instruction manual Figure 2 A one-way valve 15 is installed at the horizontal arm end of the L-shaped air supply pipe 9. The one-way valve 15 is located at one end of the vertical arm end of the L-shaped air supply pipe 9. A slag discharge pipe 16 is connected to the bottom of the vertical arm end of the L-shaped air supply pipe 9. A slag discharge valve 17 is installed on the slag discharge pipe 16.

[0029] After the slag dust enters the L-shaped air duct 9 through the hollow rotating shaft 5 and the inclined hot air duct 10, the slag dust is blocked by the one-way valve 15, and the hot air can pass through the one-way valve 15, but the slag dust cannot pass through the one-way valve 15. The slag dust will be collected in the vertical arm end of the L-shaped air duct 9. After the drying work is completed, the operator drives the slag discharge valve 17 to discharge the slag dust in the L-shaped air duct 9 through the slag discharge pipe 16, so as to prevent the slag dust from entering the hot air blower 8 and damaging the hot air blower 8, thereby improving the service life and saving the use cost.

[0030] Refer to the instruction manual Figure 1 , Instruction Manual Figure 2 And the instruction manual Figure 3A feed hopper 18 is provided on one side of the top of the drying box body 1, a discharge port 19 is provided at the center of the bottom of the drying box body 1, a connecting seat 20 is installed on one side of the drying box body 1, an arc-shaped bottom plate 21 is hinged on the connecting seat 20, an arc-shaped sealing plate 22 is installed on the arc-shaped bottom plate 21, the arc-shaped sealing plate 22 is consistent with the discharge port 19, an articulated seat 23 is installed below the arc-shaped bottom plate 21 away from the connecting seat 20, a power push rod 24 is hinged on the fixed base 7, and the telescopic end of the power push rod 24 is hingedly connected to the articulated seat 23,

[0031] The granulated blast-furnace slag powder is poured into the drying box body 1 through the feed hopper 18, and the discharge port 19 is sealed by the arc-shaped bottom plate 21 and the arc-shaped sealing plate 22. When discharging, the collecting cylinder is placed on one side of the drying box body 1, and the power push rod 24 starts to work. The telescopic end of the power push rod 24 contracts, and the arc-shaped bottom plate 21 rotates along the connecting seat 20. The granulated blast-furnace slag powder in the drying box body 1 falls onto the arc-shaped bottom plate 21 and the arc-shaped sealing plate 22 through the discharge port 19. The arc-shaped bottom plate 21 and the arc-shaped sealing plate 22 are inclined toward the collecting cylinder, and the granulated blast-furnace slag powder on the arc-shaped bottom plate 21 and the arc-shaped sealing plate 22 slides into the collecting cylinder, which is convenient for discharging.

[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A granulated blast furnace slag powder drying device, comprising a drying box (1) and fixed legs (2), wherein a motor fixing seat (3) is installed on one side of the drying box (1), and a driving motor (4) is installed on the motor fixing seat (3), characterized in that: A hollow rotating shaft (5) is rotatably connected inside the drying box (1), the hollow rotating shaft (5) is located below the center of the drying box (1), both ends of the hollow rotating shaft (5) extend through the drying box (1), one end of the hollow rotating shaft (5) is fixedly connected to the output end of the driving motor (4), a plurality of stirring plates (6) are mounted on the hollow rotating shaft (5), a fixed base (7) is mounted between the fixed legs (2), a hot air blower (8) is mounted on the fixed base (7), an L-shaped air delivery pipe (9) is mounted at the air outlet end of the hot air blower (8), the top end of the L-shaped air delivery pipe (9) is connected to an oblique hot air pipe (10), a fixed support rod (11) is mounted at the top end of the drying box (1), one end of the fixed support rod (11) is fixedly connected to the oblique hot air pipe (10), and a plurality of air outlet pipes (12) are connected to the oblique hot air pipe (10).

2. The granulated blast furnace slag powder drying device according to claim 1, characterized in that: A rotating joint (13) is installed on the L-shaped air supply pipe (9), one end of the rotating joint (13) is fixedly connected to the other end of the hollow rotating shaft (5), and a plurality of air outlet holes (14) are provided on the hollow rotating shaft (5), and the air outlet holes (14) are distributed between adjacent stirring plates (6).

3. The granulated blast furnace slag powder drying device according to claim 1, characterized in that: A one-way valve (15) is installed at the horizontal arm end of the L-shaped air supply pipe (9), and the one-way valve (15) is located at one end of the vertical arm end of the L-shaped air supply pipe (9). A slag discharge pipe (16) is connected to the bottom of the vertical arm end of the L-shaped air supply pipe (9), and a slag discharge valve (17) is installed on the slag discharge pipe (16).

4. The granulated blast furnace slag powder drying device according to claim 1, characterized in that: A feed hopper (18) is provided on one side of the top of the drying box (1), and a discharge port (19) is provided at the center of the bottom of the drying box (1). A connecting seat (20) is installed on one side of the drying box (1), and an arc-shaped bottom plate (21) is hingedly connected to the connecting seat (20). An arc-shaped sealing plate (22) is installed on the arc-shaped bottom plate (21), and the arc-shaped sealing plate (22) is matched with the discharge port (19). A hinge seat (23) is installed below the side of the arc-shaped bottom plate (21) away from the connecting seat (20), and a power push rod (24) is hingedly connected to the fixed base (7), and the telescopic end of the power push rod (24) is hingedly connected to the hinge seat (23).

5. The granulated blast furnace slag powder drying device according to claim 1, characterized in that: The stirring plates (6) are provided in two groups. The two groups of stirring plates (6) are distributed on both sides of the hollow rotating shaft (5). The two groups of stirring plates (6) are staggered with each other. There is a gap between the stirring plates (6) and the air outlet pipe (12).

6. The granulated blast furnace slag powder drying device according to claim 4, characterized in that: One end of the arc-shaped bottom plate (21) away from the connecting seat (20) extends out of the bottom of the drying box body (1), and the size of the arc-shaped sealing plate (22) is completely consistent with the size of the discharge port (19).

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