A feeding device for an iron-making blast furnace

Abstract

This utility model belongs to the field of blast furnace feeding technology, specifically a blast furnace feeding device for ironmaking, including a mixing box; a storage box; a feeding pipe, the two ends of which are respectively connected to the mixing box and the storage box. A discharge pipe is fixedly connected to the bottom of the feeding pipe, and an electrically controlled valve is connected to the flange at the end of the discharge pipe. A dust prevention mechanism includes: a water tank; a pump fixedly installed on the upper surface of the water tank, with a water guide pipe fixedly connected to the output end of the pump; and a first annular pipe connected to the water guide pipe. The pump draws water from the water tank and pumps it into the first annular pipe. The surface of the first annular pipe has a circumferential array of water outlet holes facing upwards. Since the first annular pipe is inside the second annular pipe, the water discharged through the outlet holes can splash onto the inner wall of the second annular pipe, thus dripping evenly downwards from the drainage trough to form an annular water curtain. When the material is discharged from the discharge pipe, the splashed dust particles can be captured by the water curtain, effectively preventing the diffusion of dust and particulate matter.

Description

Technical Field

[0001] This utility model belongs to the field of blast furnace feeding technology, specifically relating to a blast furnace feeding device for ironmaking. Background Technology

[0002] In the ironmaking process, the blast furnace feeding system is a crucial link in ensuring the accurate, continuous, and uniform delivery of raw materials. Traditional feeding systems typically include components such as storage tanks, mixing tanks, feeding pipes, and discharge pipes, but they have some problems in practical applications.

[0003] For example, raw materials are prone to splashing during the pouring process, leading to waste and affecting production efficiency and cost control. In addition, existing dust control measures are often inadequate and cannot effectively prevent the spread of dust and particulate matter when discharging materials, posing a potential threat to the environment and the health of operators. Utility Model Content

[0004] To address the problems mentioned in the background art, this utility model provides a blast furnace feeding device that solves the problem of not being able to effectively prevent the diffusion of dust and particulate matter during material discharge.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a blast furnace feeding device, comprising:

[0006] Mixing box;

[0007] Storage bins;

[0008] The feed pipe is connected to the mixing tank and the storage tank at both ends, and the bottom of the feed pipe is fixedly connected to the discharge pipe. The end flange of the discharge pipe is connected to an electric control valve.

[0009] Dustproof mechanism, the dustproof mechanism comprising:

[0010] Water tank;

[0011] A pump is fixedly installed on the upper surface of the water tank, and a water guide pipe is fixedly connected to the output end of the pump.

[0012] A ring-shaped pipe is connected to a water guide pipe, and a water outlet hole is provided on the surface of the ring-shaped pipe.

[0013] The second annular pipe has a drainage groove on its surface;

[0014] A support pipe is connected to the water tank. One end of the support pipe is fixedly connected to an annular groove, and the annular groove and the second annular pipe are vertically aligned.

[0015] Optionally, the dustproof mechanism further includes:

[0016] The water inlet pipe is L-shaped, with one end fixedly connected to the water tank.

[0017] A water pumping pipe is fixedly connected to the input end of the pump.

[0018] One annular tube is located inside the second annular tube, and the water outlet holes on the surface of the first annular tube are arranged in a circumferential array, with the water outlet holes facing upwards.

[0019] Optionally, a support rod is fixedly connected to the upper surface of the water tank, the top end of the support rod is fixedly connected to the feed pipe, and a support rod is fixedly connected to the surface of the annular pipe, the other end of the support rod is fixedly connected to the discharge pipe.

[0020] Optionally, the mixing tank is equipped with a stirring mechanism, which includes:

[0021] A support plate, on the upper surface of which a servo motor is fixedly mounted, and a reducer is fixedly connected to the output end of the servo motor.

[0022] A stirring shaft is installed at the output end of a reducer.

[0023] The bearing has a stirring shaft fixedly connected to its inner wall;

[0024] Both the second stirring shaft and the first stirring shaft are fixedly connected to a pulley, and a transmission belt is fitted onto the surface of the pulley.

[0025] Optionally, a rotating rod is rotatably installed inside the mixing box, and a conveying plate is fixedly connected to the surface of the rotating rod.

[0026] Optionally, a mounting plate is fixedly installed on one side of the mixing box, and a servo motor II is fixedly installed on the lower surface of the mounting plate. A reducer II is fixedly connected to the output end of the servo motor II, and a pulley II is fixedly connected to the output end of the reducer II and one end of the rotating rod. A transmission belt II is sleeved on the surface of the pulley II.

[0027] Optionally, the second stirring shaft is symmetrically distributed from left to right, and the second stirring shaft is staggered with the first stirring shaft.

[0028] Compared with the prior art, the beneficial effects of this utility model are:

[0029] This blast furnace feeding device, through optimized design of the feeding and discharging pipes and precise control of the electronically controlled valves, effectively controls the discharge of raw materials, reducing waste caused by splashing. A pump draws water from the tank and pumps it into annular pipe one. The surface of annular pipe one has a circular array of upward-facing water outlet holes. Since annular pipe one is located inside annular pipe two, the water discharged through the outlet holes splashes onto the inner wall of annular pipe two, thus dripping evenly downwards from the drainage trough, forming an annular water curtain. The annular trough has a U-shaped cross-section, overlapping vertically with annular pipe two. The annular trough can collect water droplets. When material is discharged from the discharge pipe, the splashed dust particles are captured by the water curtain, effectively preventing the spread of dust and particulate matter. The water in the annular trough flows back to the tank via the support pipe, allowing for recycling. Attached Figure Description

[0030] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model, used together with the embodiments of this utility model to explain this utility model, and do not constitute a limitation on this utility model. In the drawings:

[0031] Figure 1 This is a complete structural schematic diagram of the present invention;

[0032] Figure 2 This is a structural diagram of the present invention from a lower perspective;

[0033] Figure 3 This is a structural diagram of the mixing tank of this utility model;

[0034] Figure 4 This is a structural diagram of the dustproof mechanism of this utility model.

[0035] In the picture:

[0036] 1. Mixing box; 101. Mixing mechanism; 1011. Support plate; 1012. Servo motor 1; 1013. Reducer 1; 1014. Mixing shaft 1; 1015. Bearing; 1016. Mixing shaft 2; 1017. Pulley 1; 1018. Transmission belt 1;

[0037] 2. Storage bin;

[0038] 3. Feed pipe;

[0039] 4. Discharge pipe;

[0040] 5. Electrically controlled valves;

[0041] 6. Dustproof mechanism; 601. Water tank; 602. Pump; 603. Water guide pipe; 604. Ring pipe one; 605. Water outlet; 606. Ring pipe two; 607. Drainage trough; 608. Support pipe; 609. Ring groove; 610. Water inlet pipe; 611. Pumping pipe;

[0042] 7. Support rod one;

[0043] 8. Support rod two;

[0044] 9. Rotating rod;

[0045] 10. Conveyor plate;

[0046] 11. Mounting plate;

[0047] 12. Servo motor two;

[0048] 13. Reducer II;

[0049] 14. Pulley 2;

[0050] 15. Transmission belt two. Detailed Implementation

[0051] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0052] Example

[0053] Please see Figure 1-4 This utility model provides the following technical solution: a blast furnace feeding device, comprising:

[0054] Mixing box 1;

[0055] Storage bin 2;

[0056] The feed pipe 3 is connected to the mixing box 1 and the storage box 2 at both ends respectively. The bottom of the feed pipe 3 is fixedly connected to the discharge pipe 4, and the end flange of the discharge pipe 4 is connected to the electric control valve 5.

[0057] Dustproof mechanism 6, dustproof mechanism 6 includes:

[0058] Water tank 601;

[0059] Pump 602 is fixedly installed on the upper surface of water tank 601, and water pipe 603 is fixedly connected to the output end of pump 602.

[0060] A ring pipe 604 is connected to a water guide pipe 603, and a water outlet hole 605 is provided on the surface of the ring pipe 604.

[0061] The second annular tube 606 has a drainage groove 607 on its surface;

[0062] The support pipe 608 is connected to the water tank 601. One end of the support pipe 608 is fixedly connected to an annular groove 609, and the annular groove 609 and the annular pipe 606 are vertically aligned.

[0063] Furthermore, the dustproof mechanism 6 also includes:

[0064] The water inlet pipe 610 is L-shaped and one end is fixedly connected to the water tank 601.

[0065] A water pumping pipe 611 is fixedly connected to the input end of the pump 602;

[0066] The first annular tube 604 is located inside the second annular tube 606, and the water outlet holes 605 on the surface of the first annular tube 604 are arranged in a circumferential array, with the water outlet holes 605 facing upwards.

[0067] The present invention provides a technical solution that, through optimized design of the feed pipe 3 and discharge pipe 4, combined with precise control of the electric control valve 5, effectively controls the discharge volume of raw materials, reducing splashing and waste. The pump 602 draws water from the water tank 601 and pumps it into the annular pipe 604. The annular pipe 604 has a circular array of water outlet holes 605 on its surface, pointing upwards. Since the annular pipe 604 is located inside the second annular pipe 606, the water flows through the outlet holes 605... The discharged water can splash onto the inner wall of the second annular pipe 606, thus dripping evenly downwards from the drainage trough 607 to form an annular water curtain. The annular trough 609 has a U-shaped cross-section and overlaps vertically with the second annular pipe 606. The annular trough 609 can catch water droplets. When the material is discharged from the discharge pipe 4, the splashed dust particles can be captured by the water curtain, effectively preventing the diffusion of dust and particulate matter. The water in the annular trough 609 flows back to the water tank 601 through the support pipe 608 and can be recycled.

[0068] Furthermore, a support rod 7 is fixedly connected to the upper surface of the water tank 601, the top end of the support rod 7 is fixedly connected to the feed pipe 3, and a support rod 8 is fixedly connected to the surface of the annular pipe 606, the other end of the support rod 8 is fixedly connected to the discharge pipe 4.

[0069] Specifically, the support rod 7 and the support rod 8 can support the water tank 601 and the annular pipe 606 respectively, thereby improving their stability.

[0070] Furthermore, the mixing tank 1 is equipped with a stirring mechanism 101, which includes:

[0071] A support plate 1011 is provided, and a servo motor 1012 is fixedly mounted on the upper surface of the support plate 1011. A reducer 1013 is fixedly connected to the output end of the servo motor 1012.

[0072] The stirring shaft 1014 is installed at the output end of the reducer 1013;

[0073] Bearing 1015, with stirring shaft 1016 fixedly connected to the inner wall of bearing 1015;

[0074] Both the surface of the stirring shaft 1016 and the surface of the stirring shaft 1014 are fixedly connected to the pulley 1017, and the surface of the pulley 1017 is fitted with the transmission belt 1018.

[0075] Furthermore, the second stirring shaft 1016 is symmetrically distributed from left to right, and the second stirring shaft 1016 and the first stirring shaft 1014 are staggered.

[0076] Specifically, by starting the servo motor 1012 and driving the reducer 1013, the stirring shaft 1014 can be rotated. The transmission belt 1018 simultaneously drives the two stirring shafts 1016 to rotate. Wear-resistant stirring rods are evenly distributed on the three shafts, and the staggered shafts form a three-dimensional shear flow, which improves the uniformity of the material ratio.

[0077] Furthermore, a rotating rod 9 is rotatably installed inside the mixing box 1, and a conveying plate 10 is fixedly connected to the surface of the rotating rod 9.

[0078] Furthermore, a mounting plate 11 is fixedly installed on one side of the mixing box 1, and a servo motor 12 is fixedly installed on the lower surface of the mounting plate 11. A reducer 13 is fixedly connected to the output end of the servo motor 12. A pulley 14 is fixedly connected to the output end of the reducer 13 and one end of the rotating rod 9. A transmission belt 15 is sleeved on the surface of the pulley 14.

[0079] Specifically, the well-mixed material falls into the area of ​​the rotating rod 9. The servo motor 12 is started and driven by the reducer 13 to rotate the rotating rod 9. The conveyor plate 10 spirally pushes the material evenly into the feeding pipe 3, and finally into the storage box 2.

[0080] All electrical equipment in this device is powered by an external power source and is controlled to operate and shut down via a matching control switch.

[0081] Finally, it should be noted that the above descriptions are merely preferred embodiments of this utility model and are not intended to limit the utility model. The selection and detailed description of these embodiments in this specification are for the purpose of better explaining the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A blast furnace feeding device, characterized in that, include: Mixing box (1); Storage bin (2); The feed pipe (3) is connected to the mixing box (1) and the storage box (2) at both ends respectively. The bottom of the feed pipe (3) is fixedly connected to the discharge pipe (4), and the end flange of the discharge pipe (4) is connected to the electric control valve (5). Dustproof mechanism (6), the dustproof mechanism (6) includes: Water tank (601); A pump (602) is fixedly installed on the upper surface of a water tank (601), and a water guide pipe (603) is fixedly connected to the output end of the pump (602). A ring-shaped pipe (604) is connected to a water guide pipe (603), and a water outlet hole (605) is provided on the surface of the ring-shaped pipe (604). The second annular tube (606) has a drainage groove (607) on its surface. The support pipe (608) is connected to the water tank (601). One end of the support pipe (608) is fixedly connected to an annular groove (609), and the annular groove (609) and the second annular pipe (606) are vertically aligned.

2. The blast furnace feeding device according to claim 1, characterized in that, The dustproof mechanism (6) also includes: The water inlet pipe (610) is L-shaped and one end is fixedly connected to the water tank (601); The pump (602) is fixedly connected to a water pumping pipe (611) at its input end. The first annular tube (604) is located inside the second annular tube (606), and the water outlet holes (605) on the surface of the first annular tube (604) are arranged in a circular array, and the water outlet holes (605) face upward.

3. The blast furnace feeding device according to claim 1, characterized in that: The upper surface of the water tank (601) is fixedly connected to a support rod (7), the top end of the support rod (7) is fixedly connected to the feed pipe (3), the surface of the annular pipe (606) is fixedly connected to a support rod (8), and the other end of the support rod (8) is fixedly connected to the discharge pipe (4).

4. The blast furnace feeding device according to claim 1, characterized in that: The mixing tank (1) is equipped with a stirring mechanism (101), which includes: A support plate (1011) is provided, on the upper surface of which a servo motor (1012) is fixedly mounted, and the output end of the servo motor (1012) is fixedly connected to a reducer (1013). The stirring shaft (1014) is installed at the output end of the reducer (1013); The bearing (1015) has a stirring shaft rod (1016) fixedly connected to its inner wall. Both the second stirring shaft (1016) and the first stirring shaft (1014) are fixedly connected to a pulley (1017), and a transmission belt (1018) is sleeved on the surface of the pulley (1017).

5. The blast furnace feeding device according to claim 1, characterized in that: The mixing box (1) is equipped with a rotating rod (9) inside, and a conveying plate (10) is fixedly connected to the surface of the rotating rod (9).

6. The blast furnace feeding device according to claim 5, characterized in that: A mounting plate (11) is fixedly installed on one side of the mixing box (1). A servo motor (12) is fixedly installed on the lower surface of the mounting plate (11). A reducer (13) is fixedly connected to the output end of the servo motor (12). A pulley (14) is fixedly connected to the output end of the reducer (13) and one end of the rotating rod (9). A transmission belt (15) is sleeved on the surface of the pulley (14).

7. The blast furnace feeding device according to claim 4, characterized in that: The second stirring shaft (1016) is symmetrically distributed from left to right, and the second stirring shaft (1016) and the first stirring shaft (1014) are staggered.

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