Molten iron sampling device of iron-making blast furnace

By designing a mechanized blast furnace molten iron sampling device, the safety hazards and sampling difficulties of manual operation were solved, enabling remote operation and mold shaping, which facilitates subsequent testing.

CN223692073UActive Publication Date: 2025-12-19BAOTOU IRON & STEEL (GROUP) CO LTD
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Patent Information

Application Number
CN202421666298.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-15
Publication Date
2025-12-19
Estimated Expiration
2034-07-15

AI Technical Summary

Technical Problem

Existing blast furnace molten iron sampling devices require manual operation, which poses safety hazards and makes it inconvenient to pour molten iron into molds for shaping.

Method used

A device comprising a sampling bucket, mounting frame, movable frame, winding rod, wire rope and drive components was designed to achieve sampling and sample transfer through mechanized operation, avoiding manual contact with high-temperature molten iron.

Benefits of technology

It enables remote operation, avoids burns, and facilitates the pouring of molten iron samples into the mold for shaping, which is convenient for later testing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a molten iron sampling device for an iron-making blast furnace, which relates to the technical field of sampling devices and comprises a sampling barrel, a mounting frame, a movable frame, a movable frame driving part, a winding rod, a first steel wire rope, a second steel wire rope, a winding rod driving part, a sampling barrel tilting device and a control device, the movable frame driving piece can drive the movable frame to move in the transverse direction of the mounting frame; the other end of the first steel wire rope is connected with the top of the sampling barrel in a hoisting manner; the other end of the second steel wire rope is connected with the top of the sampling barrel in a hoisting manner; the winding rod driving piece can drive the winding rod to rotate so as to drive the sampling barrel to ascend or descend; the sampling barrel tilting device drives the discharge port of the sampling barrel to rotate upwards or downwards, the structure is simple, use is convenient, people can operate at the position far away from molten iron, scalding caused by high temperature of the molten iron is avoided, the molten iron can be conveniently poured into a mold for shaping, and later detection is facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sampling device technical field especially relates to a kind of ironmaking blast furnace molten iron sampling device. BACKGROUND

[0002] Ironmaking is the process of extracting metal from iron-containing minerals, including blast furnace method, direct reduction method, smelting reduction method and plasma method. From the perspective of metallurgy, ironmaking is the reverse process of iron rusting and gradual mineralization. During ironmaking, raw materials need to be configured in different proportions, which may result in different outcomes. Therefore, molten iron needs to be sampled for testing to adjust the batching, so as to achieve the appropriate proportioning.

[0003] Current molten iron sampling devices require manual sampling. For example, a video published on December 24, 2023, at https: / / v.douyin.com / AAcHTnHyYCQ / shows the manual sampling process. The sampling device does not adequately protect the workers, which may pose a risk and make it inconvenient to pour the molten iron into a mold. SUMMARY

[0004] The utility model aims to provide a kind of ironmaking blast furnace molten iron sampling device to solve the problems existing in the prior art, with simple structure and convenient use, allowing people to operate from a location away from the molten iron, avoiding burns from the high temperature of the molten iron, and facilitating the pouring of the molten iron into a mold for shaping, which is beneficial for later detection.

[0005] To achieve the above-mentioned purpose, the utility model provides the following solutions:

[0006] The utility model provides a kind of ironmaking blast furnace molten iron sampling device, comprising: sampling bucket, mounting bracket, movable frame, movable frame driving part, winding rod, first steel wire rope, second steel wire rope, winding rod driving part, sampling bucket tilting device and control device, the sampling bucket is used to dip into ironmaking blast furnace and ladle out molten iron sample after and the molten iron sample is transferred to mold;First through slot and second through slot are provided with on the mounting bracket and are transversely arranged;The movable frame is arranged along the longitudinal direction of the top surface of the mounting bracket, the movable frame driving part can drive the movable frame move in the transverse direction of the mounting bracket and keep the position after moving;The winding rod is rotatably connected to the top of the movable frame;One end of the first steel wire rope is woundly connected with the winding rod, and the other end is used to pass through the first through slot and hoist connection with the top of the sampling bucket;One end of the second steel wire rope is woundly connected with the winding rod, and the other end is used to pass through the second through slot and hoist connection with the top of the sampling bucket;The winding rod driving part is fixedly arranged on the top of the movable frame, and the winding rod driving part can drive the winding rod to rotate to drive the first steel wire rope and the second steel wire rope to wind so as to make the sampling bucket rise or fall;One end of the sampling bucket tilting device is hingedly connected with the side of the sampling bucket away from the discharge port of the sampling bucket, and the other end is hingedly connected with the movable frame, the sampling bucket tilting device is used to drive the discharge port of the sampling bucket to rotate upward or downward to complete charging and discharging, and the control device is signal connected with the sampling bucket tilting device, the winding rod driving part and the movable frame driving part.

[0007] Preferably, the sampling bucket tilting device comprises a first telescopic plate, a second telescopic plate, a connecting plate, a first support rod, a second support rod and a pneumatic cylinder, the top of the mounting bracket is provided with a third through slot and a fourth through slot arranged transversely, one end of the first telescopic plate is used to be rotatably connected with the winding rod, and the other end is used to be fixedly connected with the connecting plate through the third through slot, one end of the second telescopic plate is used to be rotatably connected with the winding rod, and the other end is used to be fixedly connected with the connecting plate through the fourth through slot, the top of the first support rod is hingedly connected with one end of the connecting plate, and the bottom end is hingedly connected with the top edge of the sampling bucket, the top of the second support rod is hingedly connected with one end of the connecting plate, and the bottom end is hingedly connected with the top edge of the sampling bucket, one end of the pneumatic cylinder is hingedly connected with the side of the sampling bucket away from the discharge port, and the other end is hingedly connected with the connecting plate, the extension or shortening of the pneumatic cylinder can drive the discharge port of the sampling bucket to rotate upward or downward to complete charging and discharging.

[0008] Preferably, a linear motor is further included, which is arranged on the top of the mounting frame, an output seat of the linear motor is used for fixedly connecting with the movable frame, and the output seat of the linear motor moves in the transverse direction of the mounting frame to drive the movable frame to move.

[0009] Preferably, a first supporting wheel and a second supporting wheel are further included, a top of the first supporting wheel is fixedly connected with one end of the movable frame, and the first supporting wheel is rollingly connected with the mounting frame, a top of the second supporting wheel is fixedly connected with the other end of the movable frame, and the second supporting wheel is rollingly connected with the mounting frame.

[0010] Preferably, the winding rod driving member is a servo motor, the servo motor is fixedly connected with the movable frame, and an output shaft of the servo motor is fixedly connected with the winding rod to drive the winding rod to rotate.

[0011] Preferably, a winding rod locking device is further included, which is used for detachably connecting with the winding rod to limit the rotation of the winding rod.

[0012] Preferably, the winding rod locking device includes an electric push rod, a movable disc and a plurality of insertion strips, one end of the winding rod away from the servo motor is provided with a fixed disc, the fixed disc is provided with a plurality of insertion holes, the electric push rod is fixedly arranged at one end of the movable frame away from the servo motor, an output end of the electric push rod is provided with the movable disc, the movable disc is provided with a plurality of insertion strips, each insertion strip is arranged in correspondence with the insertion hole, and the electric push rod is used for driving the movable disc to be close to or away from the fixed disc so that each insertion strip is inserted into or pulled out of the corresponding insertion hole.

[0013] Preferably, a mold is further included, which is arranged below one end of the mounting frame.

[0014] Preferably, a base is further included, a top of the base is provided with a recess, a bottom of the mold is provided with a protrusion, and the protrusion is used for being clamped and fixed in the recess.

[0015] The utility model discloses relative to prior art has obtained following technical effect:

[0016] The utility model provides a kind of molten iron sampling device of iron-making blast furnace, by installing frame is set in the upper of iron-making blast furnace, by winding rod driving element drives winding rod rotation to make first steel wire rope and second steel wire rope drive sampling bucket to drop into iron-making blast furnace, sampling bucket tilting device drives the discharge port of sampling bucket to incline downward, molten iron sample is entered into sampling bucket, sampling bucket tilting device drives sampling to restore level, winding rod driving element drives winding rod rotation to make first steel wire rope and second steel wire rope drive sampling bucket to rise, then make movable frame move in the transverse direction of installing frame, to drive sampling bucket to move to the upper of mould, winding rod driving element drives winding rod rotation to make first steel wire rope and second steel wire rope drive sampling bucket to drop to the upper of mould, sampling bucket tilting device drives the discharge port of sampling bucket to incline downward, and molten iron sample in sampling bucket is entered into mould, simple structure, convenient to use, so that people can be away from the position of molten iron by control device operation, avoid being scalded by molten iron high temperature, also convenient to pour molten iron into mould and shape. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiments, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0018] Figure 1 The structure schematic diagram of the molten iron sampling device of iron-making blast furnace provided by the utility model is shown in the figure.

[0019] Figure 2 The structure schematic diagram of the upper A area is shown in the figure. Figure 1

[0020] Figure 3 The structure schematic diagram of the side view direction is shown in the figure. Figure 1

[0021] Figure 4 The structure schematic diagram of the upper B area is shown in the figure. Figure 3

[0022] Figure 5 The structure schematic diagram of the lower B area is shown in the figure. Figure 1 The structure schematic diagram of the lower view direction is shown in the figure.

[0023] ​​​In the figure: 100, mounting frame; 110, linear motor; 120, movable frame; 130, base; 140, mold; 200, winding rod; 210, steel wire rope; 220, servo motor; 230, supporting wheel; 240, fixed disc; 250, jack; 260, electric push rod; 270, movable disc; 280, insertion strip; 300, sampling bucket; 310, supporting rod; 320, connecting plate; 330, air cylinder; 340, telescopic plate. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] The purpose of the present application is to provide a molten iron sampling device for a blast furnace for ironmaking, to solve the problems existing in the prior art, which is simple in structure, convenient to use, allows people to operate at a position away from the molten iron, avoids being scalded by the high temperature of the molten iron, and also facilitates pouring the molten iron into a mold for shaping, which is beneficial to later detection.

[0026] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0027] The present application provides a molten iron sampling device for a blast furnace for ironmaking, which is simple in structure, convenient to use, allows people to operate at a position away from the molten iron, avoids being scalded by the high temperature of the molten iron, and also facilitates pouring the molten iron into a mold for shaping, which is beneficial to later detection. Figures 1 to 5As shown, it comprises: a sampling bucket 300, a mounting frame 100, a movable frame 120, a movable frame 120 driving member, a winding rod 200, a first steel wire rope 210, a second steel wire rope 210, a winding rod 200 driving member, a sampling bucket 300 tilting device and a control device, the sampling bucket 300 is used to dip into the molten iron in the iron-making blast furnace to take out the molten iron sample and then transfer the molten iron sample to the mold 140; the mounting frame 100 is provided with a first transversely arranged through slot and a second transversely arranged through slot; the movable frame 120 is arranged along the longitudinal direction of the top surface of the mounting frame 100, the movable frame 120 driving member can drive the movable frame 120 to move in the transverse direction of the mounting frame 100 and keep the position after moving; the winding rod 200 is rotationally connected to the top of the movable frame 120; one end of the first steel wire rope 210 is woundly connected with the winding rod 200, and the other end is used to pass through the first through slot and be hoistingly connected with the top of the sampling bucket 300; one end of the second steel wire rope 210 is woundly connected with the winding rod 200, and the other end is used to pass through the second through slot and be hoistingly connected with the top of the sampling bucket 300; the winding rod 200 driving member is fixedly arranged on the top of the movable frame 120, and the winding rod 200 driving member can drive the winding rod 200 to rotate to drive the first steel wire rope 210 and the second steel wire rope 210 to be wound so as to make the sampling bucket 300 ascend or descend; one end of the sampling bucket 300 tilting device is hingedly connected with the side of the sampling bucket 300 away from the discharge port of the sampling bucket 300, and the other end is hingedly connected with the movable frame 120, the sampling bucket 300 tilting device is used to drive the discharge port of the sampling bucket 300 to rotate upward or downward to complete charging and discharging, the control device is signal connected with the sampling bucket 300 tilting device, the winding rod 200 driving member and the movable frame 120 driving member, by arranging the mounting frame 100 above the iron-making blast furnace, driving the winding rod 200 to rotate by the winding rod 200 driving member so as to make the first steel wire rope 210 and the second steel wire rope 210 drive the sampling bucket 300 to descend into the iron-making blast furnace, driving the discharge port of the sampling bucket 300 to incline downward by the sampling bucket 300 tilting device, so that the molten iron sample enters into the sampling bucket 300, driving the sampling bucket 300 to restore to be horizontal by the sampling bucket 300 tilting device, driving the winding rod 200 to rotate by the winding rod 200 driving member so as to make the first steel wire rope 210 and the second steel wire rope 210 drive the sampling bucket 300 to ascend, then moving the movable frame 120 in the transverse direction of the mounting frame 100 so as to drive the sampling bucket 300 to move above the mold 140, driving the winding rod 200 to rotate by the winding rod 200 driving member so as to make the first steel wire rope 210 and the second steel wire rope 210 drive the sampling bucket 300 to descend above the mold 140, driving the discharge port of the sampling bucket 300 to incline downward by the sampling bucket 300 tilting device, so that the molten iron sample in the sampling bucket 300 enters into the mold 140, the structure is simple, the use is convenient, people can operate by the control device at a position far away from the molten iron, the high-temperature molten iron can not burn people, and it is also convenient to pour the molten iron into the mold 140 to be shaped.

[0028] In a preferred embodiment, the sampling bucket 300 tilting device comprises a first telescopic plate 340, a second telescopic plate 340, a connecting plate 320, a first supporting rod 310, a second supporting rod 310, and a pneumatic cylinder 330, the top of the mounting frame 100 is provided with a third transverse through slot and a fourth transverse through slot, one end of the first telescopic plate 340 is rotatably connected with the winding rod 200, and the other end is fixedly connected with the connecting plate 320 through the third transverse through slot, one end of the second telescopic plate 340 is rotatably connected with the winding rod 200, and the other end is fixedly connected with the connecting plate 320 through the fourth transverse through slot, the top of the first supporting rod 310 is hingedly connected with one end of the connecting plate 320, and the bottom end is hingedly connected with the top edge of the sampling bucket 300, the top of the second supporting rod 310 is hingedly connected with one end of the connecting plate 320, and the bottom end is hingedly connected with the top edge of the sampling bucket 300, one end of the pneumatic cylinder 330 is hingedly connected with the side of the sampling bucket 300 away from the discharge port, and the other end is hingedly connected with the connecting plate 320, the extension or shortening of the pneumatic cylinder 330 can drive the discharge port of the sampling bucket 300 to rotate upward or downward to complete the charging and discharging, the structure is simple, the device is stable, the connecting positions of the first supporting rod 310 and the second supporting rod 310 with the sampling bucket 300 form the rotating shaft of the sampling bucket 300, the extension or shortening of the pneumatic cylinder 330 can drive the sampling bucket 300 to rotate around the rotating shaft, the first telescopic plate 340 and the second telescopic plate 340 can complete adaptive extension or shortening during the rising or falling of the sampling bucket 300, so as to maintain the stability of the sampling bucket 300 during the rising or falling.

[0029] In a preferred embodiment, the molten iron sampling device for ironmaking blast furnace further comprises a linear motor 110, the linear motor 110 is arranged on the top of the mounting frame 100, the output seat of the linear motor 110 is fixedly connected with the movable frame 120, and the output seat of the linear motor 110 moves in the transverse direction of the mounting frame 100 to drive the movable frame 120 to move, the structure is simple, the use is convenient, and the material is convenient to obtain.

[0030] In a preferred embodiment, the molten iron sampling device for ironmaking blast furnace further comprises a first supporting wheel 230 and a second supporting wheel 230, the top of the first supporting wheel 230 is fixedly connected with one end of the movable frame 120, and the first supporting wheel 230 is rollingly connected with the mounting frame 100, the top of the second supporting wheel 230 is fixedly connected with the other end of the movable frame 120, and the second supporting wheel 230 is rollingly connected with the mounting frame 100, the structure is simple, and the stability of the movable frame 120 during the movement on the mounting frame 100 is ensured.

[0031] In a preferred embodiment, the winding rod 200 driving member is a servo motor 220, the servo motor 220 is fixedly connected with the movable frame 120, and the output shaft of the servo motor 220 is fixedly connected with the winding rod 200 to drive the winding rod 200 to rotate, the structure is simple, and the material is convenient to obtain.

[0032] In a preferred embodiment, the molten iron sampling device of the iron-making blast furnace further comprises a winding rod 200 locking device for detachably connecting with the winding rod 200 to limit the rotation of the winding rod 200, which is simple in structure, convenient to use, and ensures the stability of the sampling bucket 300 during movement.

[0033] In a preferred embodiment, the winding rod 200 locking device comprises an electric push rod 260, a movable disc 270 and a plurality of insertion bars 280, the winding rod 200 is provided with a fixed disc 240 at the end away from the servo motor 220, the fixed disc 240 is provided with a plurality of insertion holes 250, the electric push rod 260 is fixedly arranged at the end of the movable frame 120 away from the servo motor 220, and the output end of the electric push rod 260 is provided with the movable disc 270, the movable disc 270 is provided with a plurality of insertion bars 280, each insertion bar 280 is arranged corresponding to the insertion hole 250, and the electric push rod 260 is used for pushing the movable disc 270 to be close to or away from the fixed disc 240 so that each insertion bar 280 is inserted into or pulled out of the corresponding insertion hole 250, which is simple in structure, convenient to use, and can limit the rotation of the winding rod 200 by inserting the insertion bar 280 into the insertion hole 250, thereby ensuring the stability of the sampling bucket 300 during movement.

[0034] In a preferred embodiment, the molten iron sampling device of the iron-making blast furnace further comprises a mold 140, which is arranged below one end of the mounting frame 100 to shape the molten iron sample poured into the mold 140, thereby facilitating subsequent detection.

[0035] In a preferred embodiment, the molten iron sampling device of the iron-making blast furnace further comprises a base 130, the top of the base 130 is provided with a groove, and the bottom of the mold 140 is provided with a protrusion, which is fitted and fixed in the groove, thereby being simple in structure and facilitating the quick placement of the mold 140 and the base 130.

[0036] The principles and implementation modes of the specific examples in the utility model are described, and the above embodiment is only used to help understand the method and core idea of the utility model; meanwhile, for the general technical personnel in the field, the specific implementation mode and application range will be changed according to the idea of the utility model. In conclusion, the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A molten iron sampling device for an ironmaking blast furnace, characterized by: The application relates to a sampling bucket device for a blast furnace, which comprises the following components: a sampling bucket used for scooping molten iron in a blast furnace and transferring the molten iron sample to a mold; a mounting frame provided with a first transversely arranged through slot and a second transversely arranged through slot; a movable frame arranged along the longitudinal direction of the top surface of the mounting frame; a movable frame driving element capable of driving the movable frame to move in the transverse direction of the mounting frame and keeping the position after movement; a winding rod rotatably connected to the top of the movable frame; a first steel wire rope, one end of which is woundly connected to the winding rod, and the other end of which is used for hoisting connection with the top of the sampling bucket through the first through slot; a second steel wire rope, one end of which is woundly connected to the winding rod, and the other end of which is used for hoisting connection with the top of the sampling bucket through the second through slot; a winding rod driving element fixedly arranged on the top of the movable frame, which is capable of driving the winding rod to rotate to drive the first steel wire rope and the second steel wire rope to be wound so as to make the sampling bucket ascend or descend; and a sampling bucket tilting device, one end of which is hingedly connected to the side of the sampling bucket away from the discharge port of the sampling bucket, and the other end of which is hingedly connected to the movable frame, which is used for driving the discharge port of the sampling bucket to rotate upwards or downwards to complete charging and discharging; and a control device signal-connected with the sampling bucket tilting device, the winding rod driving element and the movable frame driving element. The sampling bucket tilting device comprises a first telescopic plate, a second telescopic plate, a connecting plate, a first supporting rod, a second supporting rod and a pneumatic cylinder, the top of the mounting frame is provided with a third transversely arranged through slot and a fourth transversely arranged through slot, one end of the first telescopic plate is rotatably connected to the winding rod, and the other end of the first telescopic plate is fixedly connected to the connecting plate through the third through slot, one end of the second telescopic plate is rotatably connected to the winding rod, and the other end of the second telescopic plate is fixedly connected to the connecting plate through the fourth through slot, the top of the first supporting rod is hingedly connected to one end of the connecting plate, and the bottom end of the first supporting rod is hingedly connected to the top edge of the sampling bucket, the top of the second supporting rod is hingedly connected to one end of the connecting plate, and the bottom end of the second supporting rod is hingedly connected to the top edge of the sampling bucket, one end of the pneumatic cylinder is hingedly connected to the side of the sampling bucket away from the discharge port, and the other end of the pneumatic cylinder is hingedly connected to the connecting plate, the extension or shortening of the pneumatic cylinder can drive the discharge port of the sampling bucket to rotate upwards or downwards to complete charging and discharging. The movable frame driving element is a linear motor, which is arranged on the top of the mounting frame, the output seat of the linear motor is used for fixed connection with the movable frame, and the output seat of the linear motor moves in the transverse direction of the mounting frame to drive the movable frame to move. ​ ​ ​ ​ ​ ​ ​ ​ 2. The molten iron sampling device for an ironmaking blast furnace according to claim 1, characterized by: ​ 3. A molten iron sampling device for an iron making blast furnace as claimed in claim 2, wherein: ​ 4. A molten iron sampling device for an iron making blast furnace as claimed in claim 3, wherein: The first supporting wheel is fixedly connected with one end of the movable frame, and the first supporting wheel is rolling connected with the mounting frame.

5. A molten iron sampling device for an iron making blast furnace as claimed in claim 4, wherein: The winding rod driving member is a servo motor, the servo motor is fixedly connected with the movable frame, and an output shaft of the servo motor is fixedly connected with the winding rod to drive the winding rod to rotate.

6. A molten iron sampling device for an iron making blast furnace as claimed in claim 5 wherein: The winding rod locking device is used for detachably connecting with the winding rod to limit the rotation of the winding rod.

7. A molten iron sampling device for an iron making blast furnace as claimed in claim 6, characterised in that: The winding rod locking device comprises an electric push rod, a movable disc and a plurality of inserting strips, one end of the winding rod away from the servo motor is provided with a fixed disc, the fixed disc is provided with a plurality of inserting holes, the electric push rod is fixedly arranged at one end of the movable frame away from the servo motor, and an output end of the electric push rod is provided with the movable disc, the movable disc is provided with a plurality of inserting strips, each inserting strip is arranged corresponding to the inserting hole, and the electric push rod is used for pushing the movable disc to be close to or away from the fixed disc so that each inserting strip is inserted into or pulled out of the corresponding inserting hole.

8. The molten iron sampling device for an ironmaking blast furnace according to claim 1, characterized by: The mold is used for being arranged below one end of the mounting frame.

9. A molten iron sampling device for an iron making blast furnace as claimed in claim 8, characterised in that: The base is provided with a recess on the top, and the mold is provided with a protrusion on the bottom, and the protrusion is used for being embedded and fixed in the recess.