Blast furnace charge level detection device

Abstract

The utility model discloses a blast furnace charge level detection device which comprises a blast furnace, and the blast furnace is provided with a small manhole, a large manhole, a first mechanical material detection ruler and a second mechanical material detection ruler. The blast furnace is further provided with a third mechanical material probing ruler, and the third mechanical material probing ruler comprises a material probing box body, a winch winding drum, a mooring rope, two sets of middle guide wheel pairs, a set of tail end guide wheel pairs and a heavy hammer. According to the blast furnace charge level detection device, besides the first mechanical material detection ruler and the second mechanical material detection ruler, the third mechanical material detection ruler is further arranged, and the first mechanical material detection ruler, the second mechanical material detection ruler and the third mechanical material detection ruler are located in three different directions of a blast furnace respectively. The blast furnace material level detection device detects the material levels of the blast furnace in three different directions, not only can measure the basic condition of the material levels of the blast furnace, but also can well judge whether the blast furnace deviates from each direction according to the comparison of the detection results of the material levels in the three different directions.

Description

TECHNICAL FIELD

[0001] The utility model relates to ironmaking blast furnace technical field especially relates to a blast furnace burden surface detection device. BACKGROUND

[0002] During the working process of the blast furnace, the working state of the blast furnace needs to be monitored from various aspects. The burden surface height is one of the monitoring contents of the working state of the blast furnace, and a probe ruler is usually used for measurement. The types of the probe ruler include a mechanical probe ruler and a radar probe ruler. The mechanical probe ruler has low cost, and the radar probe ruler has high cost. The detection of the radar probe ruler is greatly affected by environmental factors. Therefore, in the existing blast furnace, the most common method is to use a mechanical probe ruler to measure the burden surface. The structure of the mechanical probe ruler is disclosed in Chinese patent application No. 202123334801.6.

[0003] In the structure of the blast furnace, the two opposite walls have small holes and large holes respectively. Due to the existence of the small holes and the large holes, the installation space of the two opposite walls is small, and a relatively large mechanical probe ruler cannot be additionally installed, so that the blast furnace can only install mechanical probe rulers on the walls of the other two opposite directions. Although the measurement of the two mechanical probe rulers can measure the basic situation of the burden surface of the blast furnace, the two mechanical probe rulers can only display the situation of the burden surface of the two directions of the blast furnace, and cannot well observe whether the entire burden surface of the blast furnace is deviated. INVENTION CONTENTS

[0004] The purpose of the utility model is to provide a blast furnace burden surface detection device.

[0005] The technical scheme for realizing the purpose of the utility model is: a blast furnace material surface detection device, comprising a blast furnace, wherein a small manhole, a large manhole, a first mechanical material detection ruler and a second mechanical material detection ruler are arranged on the blast furnace, the small manhole, the large manhole, the first mechanical material detection ruler and the second mechanical material detection ruler are respectively arranged on four different directions of the blast furnace, wherein the small manhole and the large manhole are respectively arranged on the side walls of two opposite directions of the blast furnace, and the first mechanical material detection ruler and the second mechanical material detection ruler are respectively arranged on the side walls of two opposite directions of the blast furnace; a third mechanical material detection ruler is further arranged on the blast furnace, the third mechanical material detection ruler comprises a material detection box, a winch drum, a cable, two groups of intermediate guide wheel pairs, one group of terminal guide wheel pairs and a weight, the material detection box is installed on the side of the small manhole, the winch drum is horizontally rotatably installed in the material detection box, each group of intermediate guide wheel pairs comprises two first guide wheels, the two first guide wheels are rotatably installed and tangentially arranged, a first ring groove is formed on the outer wall of each first guide wheel along the circumferential direction of the first guide wheel, and a first cable channel is formed in the first ring grooves of the two tangential first guide wheels in one-to-one correspondence; the terminal guide wheel pair is located above the small manhole, the terminal guide wheel pair comprises two second guide wheels, the two second guide wheels are horizontally rotatably installed and tangentially arranged, a second ring groove is formed on the outer wall of each second guide wheel along the circumferential direction of the second guide wheel, and a second cable channel is formed in the second ring grooves of the two tangential second guide wheels in one-to-one correspondence; the first end of the cable is wound on the winch drum, the second end of the cable sequentially passes through the first cable channel of the two groups of intermediate guide wheel pairs and the second cable channel of the one group of terminal guide wheel pairs, and the weight is hung on the second end of the cable.

[0006] Further, the first guide wheel is vertically arranged and perpendicular to the second guide wheel.

[0007] Further, in the two groups of intermediate guide wheel pairs, the group of intermediate guide wheel pairs through which the cable passes first is close to the winch drum, and the group of intermediate guide wheel pairs through which the cable passes first is close to the terminal guide wheel pair.

[0008] Further, the intermediate guide wheel pair and the terminal guide wheel pair are both installed on the inner wall of the blast furnace through a support.

[0009] Further, the line connecting the small manhole and the large manhole is perpendicular to the line connecting the first mechanical material detection ruler and the second mechanical material detection ruler.

[0010] Further, the upper side of the large manhole is provided with a radar type material probe ruler. The radar type material probe ruler has a small volume and can be arranged above the large manhole to detect the blast furnace material surface of the position of the large manhole. The arrangement can make the material surface information of each position of the blast furnace more comprehensive, and the material deviation of the material surface of each position of the blast furnace more clear and intuitive.

[0011] The blast furnace material surface detection device has the third mechanical type material probe ruler, the material probe box body and the winch drum in the material probe box body are arranged on the side of the small manhole, two groups of intermediate guide wheel pairs and one group of terminal guide wheel pairs are used to pull the cable on the winch drum to the position of the small manhole, and the weight hung on the cable can detect the blast furnace material surface of the position of the small manhole.

[0012] The blast furnace material surface detection device has the third mechanical type material probe ruler, the material probe box body and the winch drum in the material probe box body are arranged on the side of the small manhole, two groups of intermediate guide wheel pairs and one group of terminal guide wheel pairs are used to pull the cable on the winch drum to the position of the small manhole, and the weight hung on the cable can detect the blast furnace material surface of the position of the small manhole.

[0013] The blast furnace material surface detection device has the third mechanical type material probe ruler, the material probe box body and the winch drum in the material probe box body are arranged on the side of the small manhole, two groups of intermediate guide wheel pairs and one group of terminal guide wheel pairs are used to pull the cable on the winch drum to the position of the small manhole, and the weight hung on the cable can detect the blast furnace material surface of the position of the small manhole. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view structural schematic diagram of the blast furnace material surface detection device of the utility model;

[0015] Figure 2 It is a front view structural schematic diagram of the blast furnace material surface detection device of the utility model;

[0016] Figure 3 It is a front view structural schematic diagram of the blast furnace material surface detection device of the utility model;

[0017] Figure 4 It is a front view structural schematic diagram of the blast furnace material surface detection device of the utility model;

[0018] Figure 5 This is a schematic diagram of the end guide wheel pair of the blast furnace burden surface detection device of this utility model. Detailed Implementation

[0019] The preferred embodiment of the blast furnace burden level detection device of this utility model will be described in detail below with reference to the accompanying drawings:

[0020] like Figures 1 to 5 As shown, a blast furnace burden level detection device includes a blast furnace 10. The blast furnace 10 is equipped with a small manhole 101, a large manhole 102, a first mechanical burden level probe 1, and a second mechanical burden level probe 2. The small manhole 101, the large manhole 102, the first mechanical burden level probe 1, and the second mechanical burden level probe 2 are located at four different positions on the blast furnace 10. Specifically, the small manhole 101 and the large manhole 102 are located on the sidewalls of two opposite positions on the blast furnace 10. The first mechanical burden level probe 1 and the second mechanical burden level probe 2... Two mechanical probes 2 are respectively located on the side walls of two opposite positions of the blast furnace 1; the blast furnace 1 is also equipped with a third mechanical probe 3, which includes a probe box 31, a winch drum 32, a cable 33, two sets of intermediate guide wheel pairs 34, a set of end guide wheel pairs 35, and a counterweight 36. The probe box 31 is installed on the side of the manhole 101, and the winch drum 32 is horizontally rotatably installed inside the probe box 31. Each set of intermediate guide wheel pairs 34 includes two first guide wheels 36. 40. Two first guide wheels 340 are rotatably mounted and tangentially arranged. A first annular groove 341 is formed on the outer wall of each first guide wheel 340 along its circumference. The first annular grooves 341 of the two tangential first guide wheels 340 correspond one-to-one to form a first cable channel 342. The end guide wheel pair 35 is located above the manhole 101. The end guide wheel pair 35 includes two second guide wheels 350. The two second guide wheels 350 are horizontally rotatably mounted and tangentially arranged. Each second guide wheel... A second annular groove 351 is formed on the outer wall of the 350 along its circumference. The second annular grooves 351 of the two tangent second guide wheels 350 form a second cable channel 352 in a one-to-one correspondence. The first end 331 of the cable 33 is wound onto the winch drum 32. The second end 332 of the cable 32 passes through the first cable channel 342 of the two sets of intermediate guide wheel pairs 34 and the second cable channel 352 of the set of end guide wheel pairs 35 in sequence. The counterweight 36 is suspended on the second end 332 of the cable 32.

[0021] The utility model discloses a blast furnace material surface detection device, the blast furnace 10 is equipped with the small manhole 101, the big manhole 102, the small manhole 101 and the big manhole 102 are located on the lateral wall of the blast furnace 1 two opposite directions respectively, and the small manhole 101 and the big manhole 102 are used to observe and overhaul.

[0022] The utility model discloses a blast furnace material surface detection device, still be equipped with the first mechanical type material detecting ruler 1, the second mechanical type material detecting ruler 2 and the third mechanical type material detecting ruler 3 on the blast furnace 10, the first mechanical type material detecting ruler 1, the second mechanical type material detecting ruler 2 and the third mechanical type material detecting ruler 3 are all used to detect the material surface height in the blast furnace 10. Among them, the small manhole 101 and the big manhole 102 are located on the lateral wall of the blast furnace 1 two opposite directions respectively, the first mechanical type material detecting ruler 1 and the second mechanical type material detecting ruler 2 are located on the lateral wall of the blast furnace 1 two opposite directions respectively, the line connection of the small manhole 101 and the big manhole 102 is perpendicular to the line connection of the first mechanical type material detecting ruler 1 and the second mechanical type material detecting ruler 2, the first mechanical type material detecting ruler 1 and the second mechanical type material detecting ruler 2 detect the material surface of blast furnace two opposite directions respectively, the structure of the first mechanical type material detecting ruler 1 and the second mechanical type material detecting ruler 2 is as disclosed in Chinese patent application No. 202123334801.6, and is an existing structure. The third mechanical type material detecting ruler 3 includes a material detecting box 31, a winch drum 32, a cable 33, two groups of intermediate guide wheel pairs 34, a group of terminal guide wheel pairs 35 and a weight 36, the material detecting box 31 is installed to the side of the small manhole 101, the terminal guide wheel pairs 35 are located above the small manhole 101, the cable 33 wound on the winch drum 32 is guided by two groups of the intermediate guide wheel pairs 34, passes out through the terminal guide wheel pairs 35, and the weight 36 is hung in the direction of the small manhole 101, and the weight 36 hung in the small manhole 101 detects the material surface of the blast furnace in the direction of the small manhole 101.

[0023] The utility model discloses a blast furnace material surface detection device, when working, first mechanical type material detecting ruler 1, second mechanical type material detecting ruler 2 and third mechanical type material detecting ruler 3 are detected respectively to the material surface of blast furnace 10 three different directions. Although the structure of first mechanical type material detecting ruler 1 and second mechanical type material detecting ruler 2 and the structure of third mechanical type material detecting ruler 3 are different, but the detection principle is same. With third mechanical type material detecting ruler 3 as an example, the winch drum 32 drive, drive the motor current of winch drum 32 rotation changes when the weight 36 contacts blast furnace material surface, the system monitors this signal and records the position of weight 36, thereby determining the height of the material in the furnace.

[0024] The utility model discloses a blast furnace material surface detection device, through setting up third mechanical type material detecting ruler 3, let the material detecting box body 31 and in it winch drum 32 install in the side of small manhole 101 after, utilize two groups of middle guide wheel pair 34 and a group of end guide wheel pair 35, the cable 33 on winch drum 32 is drawn to the direction of small manhole 101 lies, make the weight 36 hanging on the cable 33 can detect the blast furnace material surface of the direction of small manhole 101 lies, its effective solution the problem that the blast furnace of existing because small manhole exists, and the mechanical type material detecting ruler of installation cannot detect the blast furnace material surface of this direction, make small manhole exists and the installation of mechanical type material detecting ruler does not conflict, can coexist, make the blast furnace material surface of the direction of small manhole lies can be solved.

[0025] The utility model discloses a blast furnace material surface detection device, in addition to first mechanical type material detecting ruler 1 and second mechanical type material detecting ruler 2, still set up third mechanical type material detecting ruler 3, first mechanical type material detecting ruler 1, second mechanical type material detecting ruler 2 and third mechanical type material detecting ruler 3 are located at blast furnace three different directions respectively, and the material surface of blast furnace three different directions is detected. The setting not only can measure the basic situation of blast furnace material surface, and according to the comparison between the material surface detection result of three different directions, whether the blast furnace each direction is also good at judging out the material of blast furnace worker provides more material surface information.

[0026] The utility model discloses a blast furnace material surface detection device, first mechanical type material detecting ruler 1, second mechanical type material detecting ruler 2 and third mechanical type material detecting ruler 3 are all mechanical type material detecting ruler, and compared with radar type material detecting ruler, its cost is low, and the economic benefit is higher.

[0027] The utility model discloses a blast furnace material surface detection device, third mechanical type material detecting ruler 3 in each group intermediate guide wheel pair 34 includes two first guide wheel 340, two tangent first guide wheel 340 first ring groove 341 one-to-one corresponding formation first cable channel 342 is used for limiting cable 33, the terminal guide wheel pair 35 includes two second guide wheel 350, two tangent second guide wheel 350 second ring groove 351 one-to-one corresponding formation second cable channel 352 is also used for limiting cable 33, the utility model discloses a blast furnace material surface detection device, through first ring groove 341 and second ring groove 351 setting, can make the transmission of cable 33 more stable.

[0028] The utility model discloses a blast furnace material surface detection device, preferably, first guide wheel 340 with second guide wheel 350 is vertical and perpendicular.

[0029] The utility model discloses a blast furnace material surface detection device, preferably, in two groups intermediate guide wheel pair 34, the cable 33 first passes through a group of intermediate guide wheel pair 34 close to winch drum 32, the cable 33 first passes through a group of intermediate guide wheel pair 34 close to terminal guide wheel pair 35.

[0030] The utility model discloses a blast furnace material surface detection device, preferably, intermediate guide wheel pair 34 and terminal guide wheel pair 35 are all installed on the inner wall of blast furnace 10 through support.

[0031] The utility model discloses a blast furnace material surface detection device, preferably, the line connection of small manhole 101 and big manhole 102 is perpendicular with the line connection of first mechanical type material detecting ruler 1 and second mechanical type material detecting ruler 2.

[0032] The utility model discloses a blast furnace material surface detection device, preferably, the top of big manhole 102 is provided with radar type material detecting ruler 4. The volume of radar type material detecting ruler 4 is small, can be set up in the top of big manhole 102, and the blast furnace material surface of the direction of big manhole 102 is detected, and the setting can be more comprehensive for the material surface information of each direction of blast furnace, and the material deviation of each direction of blast furnace is more clear and intuitive.

[0033] The utility model discloses a blast furnace material surface detection device, preferably, in two groups intermediate guide wheel pair 34, the cable 33 first passes through a group of intermediate guide wheel pair 34 close to winch drum 32, the cable 33 first passes through a group of intermediate guide wheel pair 34 close to terminal guide wheel pair 35.

Claims

1. A blast furnace burden level detection device, comprising a blast furnace, wherein a small manhole, a large manhole, a first mechanical type burden level gauge and a second mechanical type burden level gauge are arranged on the blast furnace, and the small manhole, the large manhole, the first mechanical type burden level gauge and the second mechanical type burden level gauge are respectively located at four different directions of the blast furnace, wherein, The small manhole and the large manhole are respectively located on the side walls of the blast furnace in two opposite directions, and the first mechanical material probe and the second mechanical material probe are respectively located on the side walls of the blast furnace in two opposite directions; characterized in that: a third mechanical material probe is further arranged on the blast furnace, the third mechanical material probe comprises a material probe box body, a winch drum, a cable, two groups of intermediate guide wheel pairs, one group of terminal guide wheel pairs, and a weight, the material probe box body is installed on the side of the small manhole, the winch drum is horizontally rotatably installed in the material probe box body, each group of intermediate guide wheel pairs comprises two first guide wheels, the two first guide wheels are rotatably installed and tangentially arranged, a first annular groove is formed on the outer wall of each first guide wheel along the circumferential direction thereof, and the first annular grooves of the two tangential first guide wheels form a first cable passage one by one; the terminal guide wheel pair is located above the small manhole, the terminal guide wheel pair comprises two second guide wheels, the two second guide wheels are horizontally rotatably installed and tangentially arranged, a second annular groove is formed on the outer wall of each second guide wheel along the circumferential direction thereof, and the second annular grooves of the two tangential second guide wheels form a second cable passage one by one; the first end of the cable is wound on the winch drum, the second end of the cable sequentially passes through the first cable passage of the two groups of intermediate guide wheel pairs and the second cable passage of the group of terminal guide wheel pairs, and the weight is hung on the second end of the cable.

2. The apparatus of claim 1, wherein: The first guide wheel is vertically arranged and perpendicular to the second guide wheel.

3. The apparatus of claim 1, wherein: In the two groups of intermediate guide wheel pairs, the group of intermediate guide wheel pairs through which the cable passes first is close to the winch drum, and the group of intermediate guide wheel pairs through which the cable passes first is close to the terminal guide wheel pair.

4. The apparatus of claim 1, wherein: The intermediate guide wheel pairs and the terminal guide wheel pair are both installed on the inner wall of the blast furnace through supports.

5. The apparatus of claim 1, wherein: The connecting line of the small manhole and the large manhole is perpendicular to the connecting line of the first mechanical material probe and the second mechanical material probe.

6. The apparatus of claim 1, wherein: A radar type material probe is arranged above the large manhole.

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