A sounding rod for ironmaking blast furnaces

Abstract

This utility model relates to the field of blast furnace ironmaking equipment, specifically to a probe for blast furnace ironmaking, including a mounting frame, a drum, a rotating shaft, a reducer, and a motor. The mounting frame is fixed to the top of the blast furnace, the drum is located inside the mounting frame, and the output shaft of the motor is connected to the reducer via a coupling. The drum is sleeved on the rotating shaft, one end of which is rotatably fixed to the inner wall of the mounting frame, and the other end passes through the mounting frame and connects to the output end of the reducer. The lower end of the mounting frame has a slot, and positioning wheels are respectively provided on both sides of the upper port of the slot. A rope is wound around the outer wall of the drum, one end of which is fixed to one end of the drum, and the other end passes between the two positioning wheels and is located inside the blast furnace. A counterweight is provided at the outer end of the rope, and a cleaning structure is provided on the slot. This utility model of a probe for blast furnace ironmaking improves the stability of the counterweight's rise and fall while maintaining the cleanliness of the rope connecting the counterweight.

Description

Technical Field

[0001] This utility model relates to the field of blast furnace ironmaking equipment, specifically to a probe for blast furnace ironmaking. Background Technology

[0002] Blast furnace probes are devices used for measuring the height and distribution of the burden level in blast furnaces, enabling automated control. There are many types of blast furnace probes, with mechanical probes being the most common. These probes mainly consist of a motor, a counterweight, a winch, and a DC / AC speed control system. The motor sends commands to lower and raise the counterweight, while the winch controls its lifting and lowering motion. The probe system also includes a digital master controller and a rotary encoder for precise detection and control of the probe's position. In existing blast furnace probes, the counterweight is prone to wobbling during descent and ascent, which may damage the furnace body or cause impacts to the counterweight itself. Furthermore, due to the high dust levels inside the furnace, impurities easily accumulate on the steel wire rope connecting the counterweight. Combined with the high temperature of the blast furnace, condensation easily forms at the connection points with the outside environment, further shortening the lifespan of the steel wire rope. Utility Model Content

[0003] To address the aforementioned problems, the main objective of this invention is to provide a probe for blast furnaces that improves the stability of the hammer's ascent and descent while maintaining the cleanliness of the rope connecting the hammer, extending its service life, and reducing the risk of the hammer falling into the blast furnace due to rope breakage.

[0004] To achieve the above objectives, this utility model provides a probe for blast furnace ironmaking, including a mounting frame, a drum, a rotating shaft, a reducer, and a motor. The mounting frame is fixed to the top of the blast furnace, the drum is located inside the mounting frame, the output shaft of the motor is connected to the reducer via a coupling, the drum is sleeved on the rotating shaft, one end of the rotating shaft is rotatably fixed to the inner wall of the mounting frame, and the other end passes through the mounting frame and connects to the output end of the reducer. The lower end of the mounting frame is provided with a slot, and positioning wheels are respectively provided on both sides of the upper port of the slot. A rope is wound around the outer wall of the drum, one end of the rope is fixed to one end of the drum, and the other end passes between the two positioning wheels and is located inside the blast furnace. A counterweight is provided at the outer end of the rope, and a cleaning structure is provided on the slot.

[0005] Furthermore, the cleaning structure includes two first rollers and two second rollers, with a hard brush body structure provided on the outer wall of the first rollers and the second rollers.

[0006] Furthermore, the two ends of the first roller shaft and the second roller shaft are rotatably fixed on the slots, the first roller shaft is located above the second roller shaft, the two first roller shafts are arranged in parallel, the two second roller shafts are arranged in parallel, and the first roller shaft and the second roller shaft are perpendicular to each other.

[0007] Furthermore, the cleaning structure also includes a dust removal device, which includes an air outlet duct, a filter assembly, an air outlet, and a fan.

[0008] Furthermore, the card slot has a through hole at the bottom side, one end of the air outlet channel is connected to the through hole, the filter assembly is located in the middle section of the air outlet channel, the air outlet is located at the outermost end of the air outlet channel, and the fan is located on the air outlet channel, between the filter assembly and the air outlet.

[0009] Furthermore, the filter assembly includes a filter chamber and a dust collection bag, with the dust collection bag fixed inside the filter chamber.

[0010] Furthermore, it also includes a support frame, which is fixed to the top surface of the blast furnace, and the reducer is located on the support frame.

[0011] The beneficial effects of this utility model through the above technical solution include:

[0012] (1) When the probe for blast furnace of this utility model is used, the position of the rope connecting the hammer will be fixed by the positioning wheel during the process of the hammer falling or rising, so that the hammer will not shake significantly during the movement, thus preventing the hammer from being damaged or collided with the furnace body.

[0013] (2) In addition, the lower end of the probe of this utility model is provided with a slot, and a cleaning structure is provided in the slot. The cleaning structure can remove the debris deposited on the outer wall of the rope, and can also absorb the debris and condensate after cleaning, thereby improving the durability of the rope. Attached Figure Description

[0014] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0015] Figure 1 This is a schematic diagram of the probe used in the blast furnace of this utility model.

[0016] Figure 2 This is a schematic diagram of the groove and cleaning structure of the probe used in the blast furnace of this utility model.

[0017] Figure 3 This is a partial structural diagram of the groove and cleaning structure of the probe used in the blast furnace of this utility model.

[0018] Explanation of reference numerals in the attached figures

[0019] 1. Blast furnace; 10. Mounting frame; 20. Drum; 21. Rope; 22. Counterweight; 30. Rotating shaft; 40. Reducer; 41. Support frame; 50. Motor; 60. Slot; 61. Positioning wheel; 70. Cleaning structure; 71. First roller; 72. Second roller; 73. Hard brush body structure; 80. Dust removal device; 81. Air outlet duct; 82. Filter assembly; 83. Air outlet; 84. Fan. Detailed Implementation

[0020] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Many specific details are set forth in the following description to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0021] like Figure 1 The diagram shows the structure of the probe for blast furnace ironmaking according to this utility model. The probe for blast furnace ironmaking according to this utility model includes a mounting frame 10, a drum 20, a rotating shaft 30, a reducer 40, and a motor 50. The mounting frame 10 is fixed to the top of the blast furnace 1. The drum 20 is rotatably located inside the mounting frame 10. The probe also includes a support frame 41. The reducer 40 is fixed to the top surface of the blast furnace 1 through the support frame 41. The output shaft of the motor 50 is connected to the reducer 40 through a coupling (not shown in the figure). The drum 20 is sleeved on the rotating shaft 30. One end of the rotating shaft 30 is rotatably fixed to the inner wall of one end of the mounting frame 10, and the other end passes through the mounting frame 10 and is connected to the output end of the reducer 40. A rope 21 is wound around the outer wall of the drum 20. One end of the rope 21 is fixed to one end of the drum 20, and the other end is wound around the outer wall of the drum 20 and connected to a counterweight 22. The probe of this utility model is also equipped with a controller, encoder or other speed regulation system and other structures. Through the above structures, the probe of this utility model can fully realize its detection function. Since these devices or structures are disclosed in the prior art, they will not be described in detail.

[0022] During use, the probe of this utility model, through the combined action of the motor 50 and the reducer 40, causes the rotating shaft 30 to rotate at a constant speed, thereby driving the drum 20 to rotate at a constant speed, which can realize the winding and unwinding of the rope 21. At the same time, the weight 22 rises or falls at the lower end of the rope 21. When the weight 22 falls to the liquid surface in the blast furnace 1, it can convert the gravity signal into an electrical signal and send it to the controller or other operating system, thereby achieving the purpose of liquid level monitoring.

[0023] Please continue reading. Figure 1As shown, the probe of this utility model has a slot 60 at the lower end of the mounting frame 10. Positioning wheels 61 are respectively provided on both sides of the upper port of the slot 60. A through hole is formed between the two positioning wheels 61. The outer end of the rope 21 passes through the through hole between the two positioning wheels 61 and is located in the blast furnace 1. During the movement of the hammer 22, the two positioning wheels 61 can limit the rope 21 and prevent it from swinging too much. Therefore, it can prevent the hammer 22 from shaking and colliding. At the same time, it can also improve the smoothness of the movement of the hammer 22. In addition, the positioning wheel 61 of this utility model is not a driving wheel and does not require a driving force device.

[0024] Please see Figure 1 , Figure 2 and Figure 3 As shown, the card slot 60 of this utility model is also provided with a cleaning structure 70. The cleaning structure 70 is provided with two first rollers 71 and two second rollers 72. The first rollers 71 and the second rollers 72 are rotatably mounted on the inner wall of the card slot 60. The outer walls of the first rollers 71 and the second rollers 72 are provided with hard brush body structures 73. The first rollers 71 are located above the second rollers 72. The two first rollers 71 are arranged in parallel, and the two second rollers 72 are arranged in parallel. The first rollers 71 and the second rollers 72 are perpendicular to each other. Thus, the first rollers 71 and the second rollers 72 are arranged in an alternating vertical arrangement.

[0025] The specific cleaning method of the cleaning structure 70 of this utility model is as follows: The rope 21 is located inside the slot 60, specifically between the two first rollers 71 and the two second rollers 72. Since the first rollers 71 and the second rollers 72 are vertically arranged, their two ends are rotatably fixed on the slot 60. Therefore, during the upward process, the surface of the rope 21 is thoroughly cleaned by the hard brush structure 73 on the surface of the two rollers, so that the debris and dust hanging inside the blast furnace 1 are thoroughly cleaned. This prevents the debris on the rope 21 from being carried onto the drum 20, thereby improving the cleanliness of the rope 21.

[0026] In other preferred embodiments, such as Figure 2As shown, the cleaning structure 70 is also equipped with a dust removal device 80. The dust removal device 80 is provided with an air outlet 81, a filter assembly 82, an air outlet 83, and a fan 84. The bottom side of the slot 60 is provided with a through hole. One end of the air outlet 81 is connected to the through hole. The filter assembly 82 is located in the middle section of the air outlet 81, and the air outlet 83 is located at the end of the air outlet 81. The fan 84 is located on the air outlet 81 and between the filter assembly 82 and the air outlet 83. The fan 84 draws out air, creating a negative pressure in the air outlet 81, thereby adsorbing the dust and debris in the slot 60 into the filter assembly 82. The filter assembly 82 may be provided with a filter chamber and a dust bag. The dust bag is fixed in the filter chamber. In addition, a dry filter layer may be provided in the filter chamber. In addition to adsorbing and collecting the debris in the slot 60, it can also absorb the water vapor formed inside, preventing damage to the rope 21 and other parts of the probe.

[0027] Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

Claims

1. A probe for a blast furnace (1) for ironmaking, characterized in that, The assembly includes a mounting frame (10), a drum (20), a rotating shaft (30), a reducer (40), and a motor (50). The mounting frame (10) is fixed to the top of the blast furnace (1). The drum (20) is located inside the mounting frame (10). The output shaft of the motor (50) is connected to the reducer (40) via a coupling. The drum (20) is sleeved on the rotating shaft (30). One end of the rotating shaft (30) is rotatably fixed to the inner wall of the mounting frame (10), and the other end passes through the mounting frame (10). 0) Connected to the output end of the reducer (40), the lower end of the mounting bracket (10) is provided with a slot (60), and positioning wheels (61) are provided on both sides of the upper port of the slot (60). A rope (21) is wound around the outer wall of the drum (20). One end of the rope (21) is fixed to one end of the drum (20), and the other end passes between the two positioning wheels (61) and is located inside the blast furnace (1). A counterweight (22) is provided at the outer end of the rope (21), and a cleaning structure (70) is provided on the slot (60).

2. The probe for the blast furnace (1) according to claim 1, characterized in that, The cleaning structure (70) includes two first rollers (71) and two second rollers (72), and the outer walls of the first rollers (71) and the second rollers (72) are provided with hard brush body structures (73).

3. The probe for the blast furnace (1) according to claim 2, characterized in that, The two ends of the first roller (71) and the second roller (72) are rotatably fixed on the slot (60). The first roller (71) is located above the second roller (72). The two first rollers (71) are arranged in parallel, and the two second rollers (72) are arranged in parallel. The first roller (71) and the second roller (72) are perpendicular to each other.

4. The probe for the blast furnace (1) according to claim 1, characterized in that, The cleaning structure (70) also includes a dust removal device (80), which includes an air outlet duct (81), a filter assembly (82), an air outlet (83), and a fan (84).

5. The probe for the blast furnace (1) according to claim 4, characterized in that, The card slot (60) has a through hole at the bottom side. One end of the air outlet channel (81) is connected to the through hole. The filter assembly (82) is located in the middle section of the air outlet channel (81). The air outlet (83) is located at the outermost end of the air outlet channel (81). The fan (84) is located on the air outlet channel (81) and between the filter assembly (82) and the air outlet (83).

6. The probe for the blast furnace (1) according to claim 5, characterized in that, The filter assembly (82) includes a filter chamber and a dust bag, the dust bag being fixed inside the filter chamber.

7. The probe for the blast furnace (1) according to any one of claims 1 to 6, characterized in that, It also includes a support frame (41) fixed to the top surface of the blast furnace (1), and the reducer (40) is located on the support frame (41).

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