CN102465191A - Measuring system for charge level of permanent type blast furnace - Google Patents
Measuring system for charge level of permanent type blast furnace Download PDFInfo
- Publication number
- CN102465191A CN102465191A CN2010105541299A CN201010554129A CN102465191A CN 102465191 A CN102465191 A CN 102465191A CN 2010105541299 A CN2010105541299 A CN 2010105541299A CN 201010554129 A CN201010554129 A CN 201010554129A CN 102465191 A CN102465191 A CN 102465191A
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- charge level
- measurement system
- blast furnace
- unit
- valve
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- 238000004140 cleaning Methods 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 238000005259 measurement Methods 0.000 claims description 60
- 210000004027 cell Anatomy 0.000 claims description 38
- 230000000694 effects Effects 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 8
- 230000002441 reversible effect Effects 0.000 claims description 8
- 210000005056 cell body Anatomy 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000002604 ultrasonography Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 15
- 238000005260 corrosion Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 24
- 238000010586 diagram Methods 0.000 description 8
- 239000004744 fabric Substances 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 239000002341 toxic gas Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000000571 coke Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 235000019628 coolness Nutrition 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
The invention relates to a measuring system for a charge level of a permanent type blast furnace, which comprises a chamber, a power unit, a distance measuring unit and a cooling cleaning unit, wherein the chamber is combined with a side furnace wall of the blast furnace, is covered on a through hole of the furnace wall and is provided with a pivot hole; a pivot part of the distance measuring unit is arranged at the pivot hole; the distance measuring unit is driven by the power unit and moves while the pivot part is served as an action center, so that the charge level can be measured; the cooling cleaning unit is used for supplying high-pressure gas; and the high-pressure gas flows by the distance measuring unit, so that cooling and cleaning operations can be carried out. The measuring system provided by the invention is smaller in size; charge level scanning can be performed under a high-temperature, high-dust and high-corrosion condition in the blast furnace; and charge level information can be established as a two-dimensional charge level mode and an outline distribution condition of the charge level can be obtained in real time, so that a distributing mode can be modified at proper time.
Description
Technical field
The present invention is about a kind of blast furnace charge level measurement system, in detail, and about a kind of resident type blast furnace charge level measurement system.
Background technology
The charge level profile is crucial operational condition during blast furnace is produced, changes the cloth pattern and distributes to obtain rational furnace gas, and be the method that least need expend cost and can obtain benefit.Correct cloth pattern can promote the benefit on the processing procedure, as increasing gas effciency and lowering furnace wall heat release rate etc., is to influence productive rate, stove for one of life-span and the most important key factor of fuel rate therefore.Yet in known techniques, blast furnace is subject to thermal radiation, the pressure of furnace roof, the influence of dust atmosphere, measures its charge level profile in being not easy to produce.In the operation of blast furnace, how see through suitable cloth pattern, forms required shape of charge level and distribute with the control furnace gas, be to stablize the conditions of blast furnace main means of enhancing productivity, so be necessary to do online charge level and measure continuously.
The laser range finding often is applied to the surface measuring such as the building of large-sized object and building measures, preserve in the historic site, the pipeline planning of petrochemical plant.The measurement equipment that applies in the blast furnace more has many restrictions in design.Because carbon monoxide and dust concentration in the blast furnace are very high, for avoiding toxic gas leakage and dust equipment is polluted, many in design is main with little opening, the difficulty that also therefore causes design and use.In the existing commercial on the market optical scanning device design, the general mechanism that generally adopts all utilizes speculum to be aided with the mode of rotating mechanism, makes it to produce scanning motion.And the commercialization scanner belongs to general-using type equipment mostly, and it places open space to measure, and does not also have special design to the opposing context; Protect like interferential such as high temperature, high dust, high humidity; And, for avoiding high temperature in the blast furnace, dust and corrosive gases equipment being caused damage, the opening size of scanner must dwindle as far as possible; And under the situation that opening dwindles, the charge level that can't use general commercial optical scanner to carry out in the blast furnace measures.
Therefore, the resident type blast furnace charge level measurement system that is necessary that an innovation is provided and has progressive is to address the above problem.
Summary of the invention
The present invention provides a kind of resident type blast furnace charge level measurement system, and it is arranged at the port of the furnace wall, side of this Top of BF, and this measurement system comprises: cavity, power unit, range cells and cool off clean unit.This cavity is incorporated into this furnace wall and covers this port, and this cavity has the hole of being pivoted.This power unit is arranged in this cavity; It comprises PWR PLT, actuated element and movable bridge joint group; These PWR PLT drive this actuated element, and this activity bridge joint group is driven by this actuated element and carries out the motion of first direction according to this actuated element, and this activity bridge joint group comprises slide bar, slide and connecting rod; This slide rotates according to this slide bar, and an end of this connecting rod connects this slide.This range cells has pivot portion, and this pivot portion is arranged at this hole and be positioned at this port of being pivoted, and this range cells connects the other end of this connecting rod, and it is driven by this connecting rod and is to move in the activity centre with this pivot portion, measures the position and the shape of charge level with scanning.This cools off clean unit and connects this range cells, and in order to the supply high pressure gas, these high pressure gas are in this range cells feeds this blast furnace.
Measurement system size of the present invention is less, therefore only needs to offer in the furnace wall of this blast furnace the port of reduced size, can be installed with this measurement system.And; This cools off this high pressure gas cooling capable of using of clean unit and cleans this range cells; So resident type blast furnace charge level measurement system of the present invention is able under the influence of the high temperature in not receiving this State of Blast Furnace, high dust, high corrosive environment; This charge level in this blast furnace scans, and more can the charge level information of scanning be created as two-dimentional charge level pattern, and can obtain charge level profile distribution scenario in real time; It can supply operator that the charge level result of each batch cloth is carried out last affirmation, uses in good time correction cloth pattern.
In addition, because of this cools off the measurement aperture that clean unit can clean this range cells, thus can avoid being covered or dust slagging scorification obstruction by the dust pollution in this blast furnace, to avoid influencing or blocking the measurement path of this range unit.Moreover resident type blast furnace charge level measurement system of the present invention can be in addition with the intravital toxic gas in sensing valve this chamber of detecting, to guarantee maintenance personnel's safety.
Description of drawings
Fig. 1 shows that the resident type blast furnace charge level measurement system of the present invention is applied to the synoptic diagram of blast furnace;
Fig. 2 shows that the resident type blast furnace charge level measurement system of the present invention is incorporated into the partial schematic diagram of blast furnace port;
Fig. 3 shows the power unit of the resident type blast furnace charge level measurement system of the present invention and the configuration schematic diagram of range cells; And
Fig. 4 shows that the present invention cools off the configuration schematic diagram of clean unit and range cells.
[main element nomenclature]
1 resident type blast furnace charge level measurement system of the present invention
2 blast furnaces
3 charge levels
4 iron ores
5 coke
11 cavitys
12 power units
13 range cells
The clean unit of 14 coolings
15 data processing/control unit
21 ports
110 holes that are pivoted
111 cell bodies
112 lids
121 PWR PLT
122 actuated elements
123 movable bridge joint groups
131 pivot portions
132 measurement apertures
133 range units
134 connect elements
135 pass elements
136 through holes
137 input terminuss
138 gaps
140 pipelines
141 intake valve ports
142 strainers
143 reducing valve
144 throttling valve
145 directional valves
146 clean valves
147 reverse checkvalves
148 cleaning valves
149 sensing valves
151 DHEs
152 data transmission devices
153 man-machine actuation means
154 DBs
1231 slide bars
1232 slides
1233 connecting rods
1234 movable blocks
Embodiment
Fig. 1 shows that the resident type blast furnace charge level measurement system of the present invention is applied to the synoptic diagram of blast furnace.With reference to figure 1, this resident type blast furnace charge level measurement system 1 is incorporated into blast furnace 2, and wherein the furnace wall, side at the top of this blast furnace 2 has port 21, and this charge level 3 is iron ore 4 and the end face after coke 5 layer stack in this blast furnace 2.
Fig. 2 shows that the resident type blast furnace charge level measurement system of the present invention is incorporated into the partial schematic diagram of blast furnace port; Fig. 3 shows the power unit of the resident type blast furnace charge level measurement system of the present invention and the configuration schematic diagram of range cells; Fig. 4 shows that the present invention cools off the configuration schematic diagram of clean unit and range cells.Cooperation is referring to figs. 1 to Fig. 4, and in the present embodiment, this measurement system 1 comprises: cavity 11, power unit 12, range cells 13, the clean unit 14 of cooling and data processing/control unit 15.These cavity 11 combinations (for example: spiral shell is established) are in this furnace wall and cover this port 21, and partly this cavity 11 is arranged in this port 21, and this cavity 11 has the hole of being pivoted 110.Preferably, this cavity 11 comprises cell body 111 and lid 112, and this lid 112 combines movably with this cell body 111 or dismantles, so that the maintenance and the replacing of each element in this cavity 11.In the present embodiment, this lid 112 is covered on this cell body 111 tops, to form this airtight cavity 11.
Cooperation is with reference to figure 2 and Fig. 3, and this power unit 12 is arranged in this cavity 11, and in the present embodiment, this power unit 12 comprises PWR PLT 121, actuated element 122 and movable bridge joint group 123.These PWR PLT 121 drive this actuated element 122, and this activity bridge joint group 123 is carried out the motion of first direction (in Fig. 3, being vertical paper direction) by these actuated element 122 drivings and according to this actuated element 122.This activity bridge joint group 123 comprises slide bar 1231, slide 1232 and connecting rod 1233.This slide 1232 rotates according to this slide bar 1231, and an end of this connecting rod 1233 connects this slide 1232.This connecting rod 1233 articulates this slide 1232 and this range cells 13 versatilely.
Preferably, these PWR PLT 121 are servomotor, and this actuated element 122 is a screw rod, and this activity bridge joint group 123 can comprise the movable block 1234 with internal screw thread, and this internal screw thread cooperates this screw flight.
In the present embodiment, this range cells 13 has pivot portion 131, measures aperture 132, range unit 133, connect elements 134 and pass element 135.This pivot portion 131 is arranged at this hole 110 and be positioned at this port 21 of being pivoted, and it has through hole 136.This range cells 13 connects the other end of this connecting rod 1233, and it is to move in the activity centre by these connecting rod 1233 drives and with this pivot portion 131, measures the position and the shape of charge level 3 with scanning.With Fig. 3 is the example explanation; Because this connecting rod 1233 articulates this slide 1232 and this range cells 13 versatilely; When this movable block 1234 moves to the direction that penetrates paper; This slide 1232 can rotate to the direction that gets into paper, and this range cells 13 is positioned at the part of these pivot portion 131 tops can be to the direction swing of penetrating paper, simultaneously this range cells 13 be positioned at the part of these pivot portion 131 belows can be to the direction swing that gets into paper; Making this range cells 13 is to move in the activity centre with this pivot portion 131, measures with the scanning of carrying out charge level.
By being connected and cooperation of this activity bridge joint group 123 and this range cells 13, can make the resident type blast furnace charge level measurement system 1 of the present invention in less activity space, can reach wider scanning angle.
This connect elements 134 connects this range unit 133, and this connect elements 134 has input terminus 137.This pass element 135 is through this pivot portion 131 and connect this connect elements 134 of this range unit 13, and this measures aperture 132 is the opening of this pass element 135 at this, and it is positioned at this blast furnace 2.
In the present embodiment, has gap 138 between this pass element 135 and this pivot portion 131.This range unit 133 measures through the scanning that this pass element 135 carries out this charge level 3.According to the demand that difference measures, this range unit 133 can be laser distance-measuring device, tellurometer survey device or ultrasound range unit.
Cooperate referring to figs. 1 to Fig. 4, this cools off clean unit 14 and connects this range cells 13 again, and in order to the supply high pressure gas, these high pressure gas feed in this blast furnace 2 through this pivot portion 131 or this pass element 135.In the present embodiment, this cools off clean unit 14 and comprises intake valve port 141, strainer 142, reducing valve 143, throttling valve 144, directional valve 145, clean valve 146, reverse checkvalve 147, cleaning valve 148 and sensing valve 149.Wherein, this intake valve port 141 and this sensing valve 149 are arranged at outside this cavity 11, and this strainer 142, this reducing valve 143, this throttling valve 144, this directional valve 145, this cleaning valve 146, this reverse checkvalve 147 and this cleaning valve 148 are arranged in this cavity 11.
These high pressure gas feed this intake valve port 141 and get into this strainer 142, and this strainer 142 is in order to filter the impurity in these high pressure gas.Then, these high pressure gas get into this reducing valve 143, and this reducing valve 143 is in order to reduce and to control the pressure of these high pressure gas.Then, these high pressure gas get into this throttling valve 144, and this throttling valve 144 gets into the gas flow of this directional valve 145 in order to control.Then, these high pressure gas get into this directional valve 145 (is 3-way valve at present embodiment), and this directional valve 145 feeds in these blast furnaces 2 in order to control this high pressure gas this cavity 11 of entering or to get into these pivot portion 131 backs.
When this cavity 11 is sealing; After these directional valve 145 these high pressure gas of control get into this cavity 11; Feed these input terminuss 137 through this reverse checkvalve 147, this cleaning valve 146 again, again through this connect elements 134, this pass element 135, this measures aperture 132 and in this blast furnace 2 that arrives, in addition; High pressure gas through this connect elements 134 more can be fed in this blast furnace 2 by crack between 131 in this pass element 135 and this pivot portion, cool off this pass element 135 by this; When this cavity 11 is unlocked because of maintenance needs; This directional valve 145 promptly switch make these high pressure gas by pipeline 140 directly through this through hole 136; Pass through in this pivot portion 131, these measurement aperture 132 these blast furnaces 2 of back entering, the toxic gas adverse current of these blast furnace 2 interior tool malleations goes out when opening to block this cavity 11 again.
These cleaning valve 146 usefulness so that certainly in this cavity 11 this high pressure gas spray through this reverse checkvalve 147 wipe away this range cells 13, covered by the dust pollutions in this blast furnace 2 avoiding; This cleaning valve 148 is communicated to this through hole 136 of this pivot portion 131; When this measures aperture 132 when long-time use is sealed by the dust slagging scorification in this blast furnace 2 down; Can when these blast furnace 2 blowing outs, clean; For example: feed this through hole 136 with soft bar through this cleaning valve 148, the dust slagging scorification in this measurement aperture 132 is struck off.
In the present embodiment, this sensing valve 149 is arranged in the sidewall of this cavity 11, in order to detect the gaseous species (for example toxic gas) in this cavity 11.Before this sensing valve 149 can provide maintenance personnel's desire after these blast furnace 2 blowing outs to open this cavity 11 to safeguard; The trace of must the going ahead of the rest gas in this cavity 11 of releasing; Use detecting and whether have poisonous gas in this cavity 11, avoid the maintenance personnel to open rashly and produce harm.
This data processing/control unit 15 carries out the measurement of this charge level 3 in order to control this range cells 13, and handles the measured charge level information (for example, being established as two-dimentional charge level pattern) of this range cells 13.In the present embodiment, this data processing/control unit 15 comprises DHE 151, data transmission device 152, man-machine actuation means 153 and DB 154.This DHE 151 is a coordinate information in order to carrying out coordinate conversion from the charge level information of this range unit 13 (can wired or wireless mode transmit); This data transmission device 152 with this coordinate information transmission (can wired or wireless mode transmit) to this man-machine actuation means 153 (for example: computingmachine); This man-machine actuation means 153 is in order to controlling the measurement that this range cells 13 is carried out the measurement of this charge level 3 and monitored this charge level 3, and this DB 154 (can wired or wireless type of transmission receive data) is in order to store the measurement of this charge level 3.
Be stressed that in blast furnace charge level measurement system 1 of the present invention, its master mode has the auto-measuring pattern and manual activation measures pattern.The auto-measuring pattern: blanking (iron ore 4 and the coke 5) information that it is provided according to this man-machine actuation means 153, as the trigger signals of charge level measurement, to carry out the charge level measurement step automatically; Manual activation measures pattern: can be under the auto-measuring pattern; When operator think that being necessary to trigger this blast furnace charge level measurement system 1 carries out the measurement of single charge level profile; Can see through this man-machine actuation means 153 and carry out forced-triggered, to carry out single charge level measurement step.
In addition, because of this cools off this measurement aperture 132 that clean unit 14 can clean this range cells 13, thus can avoid being covered or dust slagging scorification obstruction by the dust pollution in this blast furnace 2, to avoid influencing or blocking the measurement path of this range unit 133.Moreover this sensing valve 149 of the present invention can be detected the toxic gas in this cavity 11, to guarantee maintenance personnel's safety.
The foregoing description is merely explanation principle of the present invention and effect thereof, and unrestricted the present invention.Therefore practising makes amendment to the foregoing description and change in this technological personage does not still take off spirit of the present invention.The claim that interest field Ying Ruhou of the present invention states is listed.
Claims (14)
1. resident type blast furnace charge level measurement system is arranged at the port of the furnace wall, side of this Top of BF, and this measurement system comprises:
Cavity is incorporated into this furnace wall and covers this port, and this cavity has the hole of being pivoted;
Power unit; Be arranged in this cavity, it comprises PWR PLT, actuated element and movable bridge joint group, and these PWR PLT drive this actuated element; This activity bridge joint group is carried out the motion of first direction by this actuated element driving and according to this actuated element; This activity bridge joint group comprises slide bar, slide and connecting rod, and this slide rotates according to this slide bar, and an end of this connecting rod connects this slide;
Range cells has pivot portion, and this pivot portion is arranged at this hole and be positioned at this port of being pivoted, and this range cells connects the other end of this connecting rod, and it is driven by this connecting rod and is to move in the activity centre with this pivot portion, measures the position and the shape of charge level with scanning; And
Cool off clean unit, connect this range cells, in order to the supply high pressure gas, these high pressure gas are in this range cells feeds this blast furnace.
2. measurement system as claimed in claim 1, wherein this cavity has cell body and lid, and this lid combines movably with this cell body or dismantles.
3. measurement system as claimed in claim 1, wherein these PWR PLT are servomotor.
4. measurement system as claimed in claim 1, wherein this actuated element is a screw rod, and this activity bridge joint group more comprises the movable block with internal screw thread, and this internal screw thread cooperates this screw flight.
5. measurement system as claimed in claim 1, wherein this connecting rod articulates this slide and this range cells versatilely.
6. measurement system as claimed in claim 1, wherein this range cells comprises range unit and pass element in addition, this pass element is through this pivot portion and connect this range unit.
7. measurement system as claimed in claim 6, wherein this range unit is laser distance-measuring device, tellurometer survey device or ultrasound range unit.
8. measurement system as claimed in claim 6, wherein this range cells comprises connect elements in addition, and this connect elements connects this range unit and this pass element and has input terminus, and this pivot portion has through hole; This cools off clean unit and comprises intake valve port, strainer, reducing valve, directional valve, clean valve and reverse checkvalve in addition; This intake valve port is arranged at outside this cavity; This strainer, this reducing valve, this directional valve, this cleaning valve and this reverse checkvalve are arranged in this cavity; These high pressure gas are got into by this intake valve port; In regular turn through this strainer, this reducing valve and this directional valve, then these high pressure gas get into that this cavity feeds this input terminus again behind this reverse checkvalve, this cleaning valve and through this pass element to this blast furnace, or these high pressure gas are directly got in this blast furnace through this pivot portion by this through hole again.
9. measurement system as claimed in claim 8, wherein the clean unit of this cooling comprises throttling valve in addition, is arranged between this reducing valve and this directional valve.
10. measurement system as claimed in claim 8, wherein the clean unit of this cooling comprises the cleaning valve in addition, is communicated to this through hole.
11. measurement system as claimed in claim 8, wherein the clean unit of this cooling comprises sensing valve in addition, is arranged in the sidewall of this cavity, in order to detect the intravital gaseous species in this chamber.
12. measurement system as claimed in claim 1, other comprises data processing/control unit, carries out the measurement of charge level in order to control this range cells, and handles the measured charge level information of this range cells.
13. measurement system as claimed in claim 12; Wherein this data processing/control unit comprises DHE, data transmission device and man-machine actuation means in addition; This DHE is a coordinate information in order to carrying out coordinate conversion from the charge level information of this range unit; This data transmission device transfers to this man-machine actuation means with this coordinate information, and this man-machine actuation means carries out the measurement and the monitoring charge level measurement of charge level in order to control this range cells.
14. measurement system as claimed in claim 13, wherein this data processing/control unit comprises DB in addition, in order to store this charge level measurement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010554129 CN102465191B (en) | 2010-11-11 | 2010-11-11 | Measuring system for charge level of permanent type blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010554129 CN102465191B (en) | 2010-11-11 | 2010-11-11 | Measuring system for charge level of permanent type blast furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102465191A true CN102465191A (en) | 2012-05-23 |
| CN102465191B CN102465191B (en) | 2013-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010554129 Expired - Fee Related CN102465191B (en) | 2010-11-11 | 2010-11-11 | Measuring system for charge level of permanent type blast furnace |
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| Country | Link |
|---|---|
| CN (1) | CN102465191B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102864263A (en) * | 2012-10-22 | 2013-01-09 | 北京科技大学 | Novel mechanical scanning radar device for measuring shape of shaft furnace charge level |
| CN103045785A (en) * | 2012-09-13 | 2013-04-17 | 天津市科特控制设备有限公司 | Method and system for on-line measurement of charge level of blast furnace |
| CN104611494A (en) * | 2014-12-29 | 2015-05-13 | 北京科技大学 | Radar scanning device capable of monitoring change of charge level of blast furnace in real time |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2039365A (en) * | 1978-12-06 | 1980-08-06 | Centre Rech Metallurgique | Apparatus for monitoring the surface of the charge of a shaft furnace |
| US4290067A (en) * | 1978-12-12 | 1981-09-15 | Paul Wurth, S.A. | Radiant energy profilometer |
| US4332374A (en) * | 1979-04-13 | 1982-06-01 | Paul Wurth S.A. | Profilometer mounting technique and apparatus |
| EP0449596A2 (en) * | 1990-03-30 | 1991-10-02 | Nkk Corporation | Distance measuring method and apparatus therefor |
| US6634234B1 (en) * | 2001-02-10 | 2003-10-21 | Vega Grieshaber Kg | Adjustable measurement head and a level measurement device and method employing it |
-
2010
- 2010-11-11 CN CN 201010554129 patent/CN102465191B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2039365A (en) * | 1978-12-06 | 1980-08-06 | Centre Rech Metallurgique | Apparatus for monitoring the surface of the charge of a shaft furnace |
| US4290067A (en) * | 1978-12-12 | 1981-09-15 | Paul Wurth, S.A. | Radiant energy profilometer |
| US4332374A (en) * | 1979-04-13 | 1982-06-01 | Paul Wurth S.A. | Profilometer mounting technique and apparatus |
| EP0449596A2 (en) * | 1990-03-30 | 1991-10-02 | Nkk Corporation | Distance measuring method and apparatus therefor |
| US6634234B1 (en) * | 2001-02-10 | 2003-10-21 | Vega Grieshaber Kg | Adjustable measurement head and a level measurement device and method employing it |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103045785A (en) * | 2012-09-13 | 2013-04-17 | 天津市科特控制设备有限公司 | Method and system for on-line measurement of charge level of blast furnace |
| CN102864263A (en) * | 2012-10-22 | 2013-01-09 | 北京科技大学 | Novel mechanical scanning radar device for measuring shape of shaft furnace charge level |
| CN102864263B (en) * | 2012-10-22 | 2014-10-15 | 北京科技大学 | Novel mechanical scanning radar device for measuring shape of shaft furnace charge level |
| CN104611494A (en) * | 2014-12-29 | 2015-05-13 | 北京科技大学 | Radar scanning device capable of monitoring change of charge level of blast furnace in real time |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102465191B (en) | 2013-12-25 |
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