CN111793731A - Device for measuring shape of blast furnace burden surface and using method thereof - Google Patents
Device for measuring shape of blast furnace burden surface and using method thereof Download PDFInfo
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- 239000000463 material Substances 0.000 claims abstract description 81
- 238000005259 measurement Methods 0.000 claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 230000008602 contraction Effects 0.000 claims description 7
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- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000004364 calculation method Methods 0.000 description 3
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
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- 239000000446 fuel Substances 0.000 description 2
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- 229910052742 iron Inorganic materials 0.000 description 1
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- 239000011435 rock Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
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Abstract
The invention relates to a device for measuring the shape of a blast furnace burden surface, which comprises a bracket, wherein a telescopic rod is arranged on the bracket, a large pulley is arranged at one end of the telescopic rod, a small pulley is arranged at the other end of the telescopic rod, and the telescopic rod is used for adjusting the distance between the small pulley and the large pulley; one side of the big pulley is connected with a handle, a steel wire rope is wound on the big pulley, one end of the steel wire rope bypasses the small pulley, and one end of the steel wire rope is connected with a material ruler heavy hammer. The device can not influence normal production of the blast furnace, and has the characteristics of simple and convenient operation, rapid measurement, accurate measurement and the like. The invention also provides a use method of the device for measuring the blast furnace burden surface shape, which can provide accurate blast furnace burden surface shape parameters for blast furnace operators and provide data support for reasonably adjusting the third distribution of blast furnace gas flow by measuring the blast furnace burden surface.
Description
Technical Field
The invention relates to the technical field of blast furnace mechanical measurement, in particular to a device for measuring the shape of a blast furnace burden surface and a using method thereof.
Background
The shape of the blast furnace burden surface has great influence on the operation furnace type, the furnace condition sequence and the fuel consumption of the blast furnace, and the control of the shape of the burden surface is the core technology of the operation and the control of the blast furnace. The reasonable shape of the charge level can obtain reasonable gas flow distribution, thereby promoting the smooth operation of the blast furnace, improving the yield of the blast furnace, and reducing the fuel consumption and the molten iron cost of the blast furnace. The existing equipment for measuring the charge level of the blast furnace is a digital simulation technology, cannot really reflect the actual charge level shape of the blast furnace, and has little reference significance for guiding the operation of the blast furnace.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the device for measuring the shape of the blast furnace burden surface, which can not influence the normal production of the blast furnace and has the characteristics of simple and convenient operation, quick measurement, accurate measurement and the like. The invention also provides a use method of the device for measuring the blast furnace burden surface shape, which can provide accurate blast furnace burden surface shape parameters for blast furnace operators and provide data support for reasonably adjusting the third distribution of blast furnace gas flow by measuring the blast furnace burden surface.
The technical purpose of the invention is realized by the following technical scheme: a device for measuring the surface shape of a blast furnace comprises a support, wherein a telescopic rod is arranged on the support, a large pulley is arranged at one end of the telescopic rod, a small pulley is arranged at the other end of the telescopic rod, and the telescopic rod is used for adjusting the distance between the small pulley and the large pulley; one side of the big pulley is connected with a handle, a steel wire rope is wound on the big pulley, one end of the steel wire rope bypasses the small pulley, and one end of the steel wire rope is connected with a material ruler heavy hammer.
Furthermore, the telescopic rod comprises a primary rod, a telescopic secondary rod is arranged in the primary rod, a telescopic tertiary rod is arranged in the secondary rod, the primary rod is fixedly arranged on the support, and the central shafts of the primary rod, the secondary rod and the tertiary rod are all located on the same horizontal line.
Furthermore, the primary rod, the secondary rod, the tertiary rod and the steel wire rope are all provided with graduated scales.
Furthermore, the material ruler weight is a triangular pyramid.
Further, the bracket is installed on a manhole platform located at one side of the blast furnace throat.
Further, a blast furnace charging bucket is arranged at the top of the blast furnace throat.
Further, the length of the steel wire rope is at least 10m, and the diameter of the steel wire rope is 4-6 mm.
The use method of the device for measuring the blast furnace burden surface shape comprises the following steps:
s1, under the damping down state of the blast furnace, opening a manhole at the top of the furnace, fixing the device on a manhole platform through a support, and stretching a telescopic rod to stretch a measuring heavy hammer into a charge level area in the blast furnace;
s2, fixing the length of the telescopic rod to enable the weight of the material ruler to be located at each measuring point of the material surface area, and measuring the extending length L of the telescopic rodn；
S3, shaking the handle to release the wire rope, making the weight of the material ruler move downwards until the weight of the material ruler contacts the material surface, and calculating the lowering height h of the weight of the material rulern；
S4, adjusting the weight of the material ruler to be at a plurality of different measuring points by controlling the extension and contraction of the telescopic rod, and repeating the steps S2 and S3 to obtain a data set (L)n，hn) Where n is 1,2, … and so on, and represents the measurement result obtained corresponding to the first measurement point, the second measurement point, the … measurement point respectivelyData;
s5, establishing a coordinate system according to the data set, and setting the extending length L of the telescopic rodnAs the abscissa, the lowering height h of the weight of the material rulernAre ordinate and are connected to determine the shape of the blast furnace burden surface.
Further, the using method also comprises the step of measuring the funnel-shaped material level:
s11, making the extension length of the telescopic rod equal to the radius R of the blast furnace throat, and making the lowering height of the heavy hammer of the material ruler be the maximum lowering height hmax；
S12, moving the weight of the material ruler upwards along the inclined plane of the hopper at the center of the material surface, simultaneously shaking the handle, and recording the lowering height of the weight of the material ruler at the point as the minimum lowering height h when the weight of the material ruler is lifted to the highest point of the material surfacemin；
S13, gradually contracting the telescopic rod along the highest position of the charge level until the charge ruler heavy hammer touches the wall of the blast furnace, and recording the contraction L of the telescopic rod in the process;
s14, setting the depth H of funnel-shaped material surface as the maximum lowering height HmaxMinimum lowering height hminAnd calculating the funnel angle A of the funnel-shaped material surface according to the shrinkage L.
Further, the calculation formula of the funnel angle a of the funnel-shaped charge level is as follows:
in conclusion, the invention has the following beneficial effects:
the device of the invention does not influence the normal production of the blast furnace, and has the characteristics of simple and convenient operation, rapid measurement, accurate measurement and the like. By using the device, the accurate blast furnace charge surface shape parameters can be provided for blast furnace operators by measuring the charge level of the blast furnace, and data support is provided for reasonably adjusting the third distribution of the blast furnace gas flow. The device is fixed through the support, it realizes receiving and releasing of wire rope to drive the big pulley rotation through the handle, insert the required degree of depth with the primary rod to the stove, loosen the handle and put into wire rope to the stove, when the material chi weight contacts the charge level, the height value of weight to the primary rod this moment of record, then insert the primary rod to the stove according to actual need, the height value that the weight inserted the primary rod at every turn of record, after the primary rod is whole to be inserted the stove, can adjust the depth of insertion through inserting the secondary rod, tertiary pole, the depth of insertion of every group data that will survey is done the abscissa, the height value of material chi weight to the primary rod is as the ordinate, record every time depth of insertion and corresponding charge level height, connect the data that will survey into the line and can obtain high furnace charge level shape chart.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a top view of the overall structure of the present invention;
fig. 3 is a schematic view of the usage state of the present invention.
In the figure: 1-blast furnace throat, 2-small pulley, 3-blast furnace charging bucket, 4-material ruler heavy hammer, 5-large pulley, 6-steel wire rope, 7-handle, 8-first-level rod, 9-second-level rod, 10-third-level rod, 11-manhole platform and 12-bracket.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
It should be noted that all the directional terms such as "upper" and "lower" referred to herein are used with respect to the view of the drawings, and are only for convenience of description, and should not be construed as limiting the technical solution.
Referring to fig. 1 to 3, the device for measuring the shape of the blast furnace burden surface comprises a support 12, wherein a telescopic rod is arranged on the support 12, a large pulley 5 is arranged at one end of the telescopic rod, a small pulley 2 is arranged at the other end of the telescopic rod, and the telescopic rod is used for adjusting the distance between the small pulley 2 and the large pulley 5; one side of the big pulley 5 is connected with a handle 7, a steel wire rope 6 is also wound on the big pulley 5, one end of the steel wire rope 6 bypasses the small pulley 2, and one end of the steel wire rope 6 is connected with a material ruler heavy hammer 4. The device of the invention can not affect the normal production of the blast furnace, and has the characteristics of simple and convenient operation, rapid measurement, accurate measurement and the like. The device passes through support 12 to be fixed, extend the telescopic link to the stove in, and insert certain degree of depth as required, loosen handle 7 and put into wire rope 6 in to the stove, material chi weight 4 receives the action of gravity, stimulate wire rope 6 downstream, when material chi weight 4 contacts the charge level, the height value of material chi weight 4 to the telescopic link this moment of record, adjust telescopic link length according to actual need after that, the record inserts the height value of material chi weight 4 to the telescopic link at every turn, the inserting depth of every group data that will record at last makes the abscissa, material chi weight 4 is as the ordinate to the height value of telescopic link, it can obtain accurate high furnace charge shape chart to connect the line.
In this embodiment, the telescopic rod comprises a first-stage rod 8, a telescopic second-stage rod 9 is arranged inside the first-stage rod 8, a telescopic third-stage rod 10 is arranged inside the second-stage rod 9, the first-stage rod 8 is fixedly arranged on a support 12, and the central axes of the first-stage rod 8, the second-stage rod 9 and the third-stage rod 10 are all located on the same horizontal line. The telescopic link is divided into three grades, can stably control the distance between the small pulley 2 and the big pulley 5, also can increase the grade number of telescopic link according to actual need to be applicable to the blast furnace that the furnace throat radius R is different. And set up the telescopic link of three grades to regard as the fixed fulcrum of being connected with support 12 with first pole 8, it is fixed more easily, avoid in the measurement process material chi weight 4 to produce and rock and influence measured data. And make three pole center pins all be located same water flat line, make things convenient for subsequent data measurement and calculation, reduce the error influence that arouses because of angle variation etc..
In this embodiment, the first-level rod 8, the second-level rod 9, the third-level rod 10 and the steel wire rope 6 are all provided with scales. Can directly read data through the scale, need not to measure material chi weight 4 accurately again after fixed, can directly obtain in the scale change on one-level pole 8, second grade pole 9 and the tertiary pole 10 from the flexible volume of telescopic link if, and the height of transferring of material chi weight 4, can be by the size of marking on wire rope 6, subtract the size on the telescopic link this moment and obtain comparatively accurate value. The material ruler weight 4 is a triangular pyramid. The bottom surface of the triangular cone is a tip, and a small measuring point is formed by touching the charge level, so that large errors caused by surface-to-surface contact are avoided. The bracket 12 is arranged on a manhole platform 11 positioned on one side of the blast furnace throat 1, and the top of the blast furnace throat 1 is provided with a blast furnace material tank 3. When the device is installed and the charge level is measured, the normal operation of the blast furnace is not influenced. The length of the steel wire rope 6 is at least 10m so as to adapt to the height difference between the manhole platform 11 and the blast furnace burden surface and leave a certain extending space, the diameter of the steel wire rope 6 is 5mm, a graduated scale is conveniently arranged, data can be conveniently observed, and meanwhile, the steel wire rope has certain toughness and is not easily broken by the gravity of the material ruler heavy hammer 4.
Example 1
The invention also provides a using method of the device for measuring the blast furnace burden surface shape, which comprises the following steps:
s1, under the damping down state of the blast furnace, opening a manhole at the top of the furnace, fixing the device on a manhole platform 11 through a support 12, and stretching a telescopic rod to stretch a measuring heavy hammer 4 into a charge level area in the blast furnace;
s2, fixing the length of the telescopic rod to make the material ruler heavy hammer 4 located at each measuring point of the material surface area, and measuring the extending length L of the telescopic rodn；
S3, shaking the handle 7 to release the wire rope 6, making the material ruler weight 4 move downwards until the material ruler weight 4 contacts the material surface, and calculating the lowering height h of the material ruler weight 4 at the momentn；
S4, adjusting the weight 4 at different measuring points by controlling the extension and contraction of the telescopic rod, and repeating the steps S2 and S3 to obtain a data set (L)n，hn) Wherein n is 1,2, … and so on, and represents the data obtained corresponding to the first measurement point, the second measurement point and the … measurement point respectively;
s5, establishing a coordinate system according to the data set, and setting the extending length L of the telescopic rodnAs the abscissa, the lowering height h of the material ruler weight 4nAre ordinate and are connected to determine the shape of the blast furnace burden surface.
The method is characterized in that the blast furnace burden surface is measured, a plurality of measuring points are taken as a reference, and the measuring points are connected in sequence to form a rough outline, and the more measuring points are tested on the same straight line, the closer the final drawn shape is to the real shape of the blast furnace burden surface. For the material surface which may have unevenness or undulation, the measurement of the straight line can be carried out from another direction by changing the position of the device relative to the side surface of the blast furnace. By collecting data after multiple measurements, accurate blast furnace charge surface shape parameters can be provided for blast furnace operators, and data support is provided for reasonably adjusting the third distribution of blast furnace gas flow.
Example 2
In this embodiment, the using method further comprises the step of measuring the funnel-shaped level:
s11, making the extension length of the telescopic rod equal to the radius R of the blast furnace throat, and making the lowering height of the heavy hammer of the material ruler be the maximum lowering height hmax；
S12, moving the weight of the material ruler upwards along the inclined plane of the hopper at the center of the material surface, simultaneously shaking the handle, and recording the lowering height of the weight of the material ruler at the point as the minimum lowering height h when the weight of the material ruler is lifted to the highest point of the material surfacemin；
S13, gradually contracting the telescopic rod along the highest position of the charge level until the charge ruler heavy hammer touches the wall of the blast furnace, and recording the contraction L of the telescopic rod in the process;
s14, setting the depth H of funnel-shaped material surface as the maximum lowering height HmaxMinimum lowering height hminAnd calculating the funnel angle A of the funnel-shaped material surface according to the shrinkage L.
The calculation formula of the funnel angle A of the funnel-shaped charge level is as follows:
due to the shape design of the interior of the blast furnace, the shape of the blast furnace burden surface can be generally tightly attached to the inner wall of the blast furnace to form a funnel-shaped charge level, and during measurement, the depth and the funnel angle of the funnel-shaped charge level can be further obtained through the steps, so that reference data can be provided for reasonably adjusting the distribution of blast furnace gas flow. The following are measurement methods that bring into practice data:
the first step is as follows: opening a manhole at the top of the blast furnace in a damping down state of the blast furnace, placing the device on a manhole platform 11, opening a support 12 of the device, taking a material ruler heavy hammer 4 as a measuring end to stretch into a material surface area in the blast furnace, wherein the stretching length is equal to the radius R of a blast furnace throat 1 which is 4 m; the handle 7 is shaken, under the action force of the material ruler heavy hammer 4, the material ruler heavy hammer 4 pulls the steel wire rope 6 to move downwards until the material ruler heavy hammer 4 contacts the lowest position of the center of the material level, and the position of the center point of the material level is recordedHeight hmax＝8m；
The second step is that: adjusting the telescopic rod to enable the material ruler heavy hammer 4 to move upwards along the inclined plane of the material surface central funnel, rotating the handle 7 at the same time, and recording the height h of the point when the material ruler heavy hammer 4 is lifted to the highest point of the material surfacemin＝7.2m；
The third step: gradually contracting the three-stage telescopic rods along the highest position of the charge level until the charge ruler heavy punch 4 touches the inner furnace wall of the blast furnace, and recording the contraction quantity L of the telescopic rods to be 2.2m through the graduated scales on the telescopic rods at all stages;
the fourth step: determining the shape of the charge level, wherein the depth H of the funnel is Hmax-hmin0.8 m; the hopper angle of the charge level is
In addition, 2500m3The reference data of the width of a charge level platform in the blast furnace is 2m, and the actual charge level funnel angle difference reference value of the blast furnace is set to be 7 degrees in combination with the calculated charge level funnel angle; if the width of the charge level platform in the furnace is found to be 2.2m actually, an adjustment measure for reducing the material distribution angle difference by 0.5 degrees can be directly adopted, and the material distribution angle difference of the blast furnace is reduced from 7 degrees to 6.5 degrees.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. The device for measuring the surface shape of the blast furnace is characterized by comprising a support (12), wherein a telescopic rod is arranged on the support (12), a large pulley (5) is arranged at one end of the telescopic rod, a small pulley (2) is arranged at the other end of the telescopic rod, and the telescopic rod is used for adjusting the distance between the small pulley (2) and the large pulley (5); one side of the large pulley (5) is connected with a handle (7), a steel wire rope (6) is further wound on the large pulley (5), one end of the steel wire rope (6) is wound around the small pulley (2), and one end of the steel wire rope (6) is connected with a material ruler heavy hammer (4).
2. The device for measuring the shape of the blast furnace burden surface according to claim 1, wherein the telescopic rod comprises a primary rod (8), a telescopic secondary rod (9) is arranged in the primary rod (8), a telescopic tertiary rod (10) is arranged in the secondary rod (9), the primary rod (8) is fixedly arranged on the bracket (12), and the central axes of the primary rod (8), the secondary rod (9) and the tertiary rod (10) are all positioned on the same horizontal line.
3. The device for measuring the shape of a blast furnace burden surface according to claim 2, wherein the primary rod (8), the secondary rod (9), the tertiary rod (10) and the wire rope (6) are provided with scales.
4. The device for measuring the shape of a blast furnace burden surface according to claim 1, wherein said weight (4) is a triangular pyramid.
5. The device for measuring the shape of a blast furnace burden surface according to claim 1, wherein said support (12) is mounted on a manhole platform (11) located at one side of the blast furnace throat (1).
6. The device for measuring the shape of a blast furnace burden surface according to claim 5, wherein a blast furnace bucket (3) is provided on the top of the blast furnace throat (1).
7. The device for measuring the shape of a blast furnace burden surface according to claim 1, wherein the length of said wire rope (6) is at least 10m and the diameter of said wire rope (6) is 4-6 mm.
8. Use of the apparatus for measuring blast furnace burden surface profile of any one of claims 1 to 7, comprising the steps of:
s1, under the damping down state of the blast furnace, opening a manhole at the top of the furnace, fixing the device on a manhole platform through a support, and stretching a telescopic rod to stretch a measuring heavy hammer into a charge level area in the blast furnace;
s2, fixing the length of the telescopic rod to enable the weight of the material ruler to be located at each measuring point of the material surface area, and measuring the extending length L of the telescopic rodn；
S3, shaking the handle to release the wire rope, making the weight of the material ruler move downwards until the weight of the material ruler contacts the material surface, and calculating the lowering height h of the weight of the material rulern；
S4, adjusting the weight of the material ruler to be at a plurality of different measuring points by controlling the extension and contraction of the telescopic rod, and repeating the steps S2 and S3 to obtain a data set (L)n，hn) Wherein n is 1,2, … and so on, and represents the data obtained corresponding to the first measurement point, the second measurement point and the … measurement point respectively;
s5, establishing a coordinate system according to the data set, and setting the extending length L of the telescopic rodnAs the abscissa, the lowering height h of the weight of the material rulernAre ordinate and are connected to determine the shape of the blast furnace burden surface.
9. The method of using the apparatus for measuring the shape of a blast furnace burden surface of claim 8, further comprising the step of measuring the funnel-shaped burden surface:
s11, making the extension length of the telescopic rod equal to the radius R of the blast furnace throat, and making the lowering height of the heavy hammer of the material ruler be the maximum lowering height hmax；
S12, moving the weight of the material ruler upwards along the inclined plane of the hopper at the center of the material surface, simultaneously shaking the handle, and recording the lowering height of the weight of the material ruler at the point as the minimum lowering height h when the weight of the material ruler is lifted to the highest point of the material surfacemin；
S13, gradually contracting the telescopic rod along the highest position of the charge level until the charge ruler heavy hammer touches the wall of the blast furnace, and recording the contraction L of the telescopic rod in the process;
s14, setting the depth H of funnel-shaped material surface as the maximum lowering height HmaxMinimum lowering height hminAnd calculating the funnel angle A of the funnel-shaped material surface according to the shrinkage L.
10. The method of claim 9, wherein the funnel angle a of the funnel-shaped charge level is calculated by the formula:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010544682.8A CN111793731A (en) | 2020-06-15 | 2020-06-15 | Device for measuring shape of blast furnace burden surface and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010544682.8A CN111793731A (en) | 2020-06-15 | 2020-06-15 | Device for measuring shape of blast furnace burden surface and using method thereof |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07316614A (en) * | 1994-05-18 | 1995-12-05 | Sumitomo Metal Ind Ltd | Apparatus for repairing furnace wall of blast furnace |
| CN2534567Y (en) * | 2002-04-16 | 2003-02-05 | 韩芸 | Automatic stabilizing speed stock rod |
| CN202465755U (en) * | 2012-01-09 | 2012-10-03 | 宣威市恒邦磷化工业有限公司 | Gauge rod for static seal blast furnace machinery |
| CN204727915U (en) * | 2015-06-10 | 2015-10-28 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A kind of high furnace burden face measurement device |
| CN105219904A (en) * | 2015-11-09 | 2016-01-06 | 马鞍山钢铁股份有限公司 | A kind of method surveying charge surface shape in blast |
| CN205676492U (en) * | 2016-06-20 | 2016-11-09 | 本钢板材股份有限公司 | A kind of high furnace burden face measurement device |
| CN108265147A (en) * | 2018-04-11 | 2018-07-10 | 湖北新冶钢特种钢管有限公司 | Material top surface in top of blast furnace measuring system and measuring method |
| CN212451480U (en) * | 2020-06-15 | 2021-02-02 | 广东韶钢松山股份有限公司 | Device for measuring shape of blast furnace burden surface |
-
2020
- 2020-06-15 CN CN202010544682.8A patent/CN111793731A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07316614A (en) * | 1994-05-18 | 1995-12-05 | Sumitomo Metal Ind Ltd | Apparatus for repairing furnace wall of blast furnace |
| CN2534567Y (en) * | 2002-04-16 | 2003-02-05 | 韩芸 | Automatic stabilizing speed stock rod |
| CN202465755U (en) * | 2012-01-09 | 2012-10-03 | 宣威市恒邦磷化工业有限公司 | Gauge rod for static seal blast furnace machinery |
| CN204727915U (en) * | 2015-06-10 | 2015-10-28 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A kind of high furnace burden face measurement device |
| CN105219904A (en) * | 2015-11-09 | 2016-01-06 | 马鞍山钢铁股份有限公司 | A kind of method surveying charge surface shape in blast |
| CN205676492U (en) * | 2016-06-20 | 2016-11-09 | 本钢板材股份有限公司 | A kind of high furnace burden face measurement device |
| CN108265147A (en) * | 2018-04-11 | 2018-07-10 | 湖北新冶钢特种钢管有限公司 | Material top surface in top of blast furnace measuring system and measuring method |
| CN212451480U (en) * | 2020-06-15 | 2021-02-02 | 广东韶钢松山股份有限公司 | Device for measuring shape of blast furnace burden surface |
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