FI127166B - Menetelmä ja järjestely uuniprosessin ominaisuuksien säätämiseksi ja injektointiyksikkö - Google Patents
Menetelmä ja järjestely uuniprosessin ominaisuuksien säätämiseksi ja injektointiyksikkö Download PDFInfo
- Publication number
- FI127166B FI127166B FI20155660A FI20155660A FI127166B FI 127166 B FI127166 B FI 127166B FI 20155660 A FI20155660 A FI 20155660A FI 20155660 A FI20155660 A FI 20155660A FI 127166 B FI127166 B FI 127166B
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- Prior art keywords
- furnace
- moving
- linearly movable
- linearly
- transfer means
- Prior art date
Links
- 238000002347 injection Methods 0.000 title claims description 136
- 239000007924 injection Substances 0.000 title claims description 136
- 238000000034 method Methods 0.000 title claims description 67
- 238000012806 monitoring device Methods 0.000 claims description 22
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 18
- 238000005070 sampling Methods 0.000 claims description 17
- 239000000654 additive Substances 0.000 claims description 14
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 9
- 235000019738 Limestone Nutrition 0.000 claims description 9
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 9
- 239000000571 coke Substances 0.000 claims description 9
- 239000004571 lime Substances 0.000 claims description 9
- 239000006028 limestone Substances 0.000 claims description 9
- 239000000377 silicon dioxide Substances 0.000 claims description 9
- 239000003245 coal Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 239000012141 concentrate Substances 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims 10
- 239000000843 powder Substances 0.000 claims 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 8
- 239000000428 dust Substances 0.000 description 7
- 230000001419 dependent effect Effects 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000004886 process control Methods 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces
- F27B3/10—Details, accessories or equipment, e.g. dust-collectors, specially adapted for hearth-type furnaces
- F27B3/18—Arrangements of devices for charging
- F27B3/183—Charging of arc furnaces vertically through the roof, e.g. in three points
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/18—Charging particulate material using a fluid carrier
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details specially adapted for crucible or pot furnaces
- F27B14/10—Crucibles
- F27B14/12—Covers therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces
- F27B3/10—Details, accessories or equipment, e.g. dust-collectors, specially adapted for hearth-type furnaces
- F27B3/18—Arrangements of devices for charging
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D11/00—Arrangement of elements for electric heating in or on furnaces
- F27D11/08—Heating by electric discharge, e.g. arc discharge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangement of monitoring devices; Arrangement of safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/0025—Charging or loading melting furnaces with material in the solid state
- F27D3/0026—Introducing additives into the melt
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/0033—Charging; Discharging; Manipulation of charge charging of particulate material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B2014/002—Smelting process, e.g. sequences to melt a specific material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/18—Charging particulate material using a fluid carrier
- F27D2003/185—Conveying particles in a conduct using a fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D2201/00—Manipulation of furnace parts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Furnace Charging Or Discharging (AREA)
Description
METHOD AND ARRANGEMENT FOR ADJUSTING CHARACTERISTICS OF A FURNACE PROCESS IN A FURNACE SPACE AND INJECTION UNIT
Field of the invention
The invention relates to a method for adjusting characteristics of a furnace process in a furnace space limited by a furnace shell of a metallurgical furnace as defined in the preamble of independent claim 1.
The invention also relates to an arrangement for adjusting characteristics of a furnace process in a furnace space limited by a furnace shell of a metallurgical furnace as defined in the preamble of independent claim 7.
The invention relates also to an injection unit for use in the method and/or in the arrangement.
Publication US 6,212,218 presents an improved apparatus for EAF steelmaking providing a lance for the injection of oxidizing gas, preferably oxygen, or other metallurgical gases and particulate materials into a steelmaking process. In one embodiment, the apparatus comprises a lance body configuration which has a central conduit for the supply of a pressurized flow of oxygen. A consumable lance tip made of refractory material is connected to the lance body such that it is in fluid communication with the central conduit.
Objective of the invention
The object of the invention is to provide a method and an arrangement for in a safe manner adjusting characteristics of a furnace process in a furnace space limited by a furnace shell of a metallurgical furnace and to provide an injection unit for use in the method and/or in the arrangement.
Short description of the invention
The method for adjusting characteristics of a furnace process in a furnace space limited by a furnace shell of a metallurgical furnace of the invention is characterized by the definitions of independent claim 1.
Preferred embodiments of the method are defined in the dependent claims 2 to 6.
The arrangement for adjusting characteristics of a furnace process in a furnace space limited by a furnace shell of a metallurgical furnace of the invention is correspondingly characterized by the definitions of independent claim 7.
Preferred embodiments of the arrangement are defined in the dependent claims 8 to 12.
The injection unit for use in the method and/or in the arrangement is characterized by the definitions of independent claim 13.
Preferred embodiments of the injection unit are defined in the dependent claims 14 to 16.
The method and the arrangement and the injection unit allows a safe way of adjusting characteristics of a furnace process in a furnace space limited by a furnace shell of a metallurgical furnace. Safety is achieved, because the method and the arrangement and the injection unit provides for adding additives such as coke, pulverized coal, concentrate mixture, silica, lime, and limestone into the furnace space such as for injecting additives such coke, pulverized coal, concentrate mixture, silica, lime, and limestone into furnace melt that is inside furnace space without the operator having to be close to the furnace shell in order to add such additives, because the injection unit can be remotely operated by the operator for example by means of a process control system of the metallurgical furnace.
List of figures
In the following the invention will described in more detail by referring to the figures, which
Figure 1 shows a metallurgical furnace that is provided with an injection unit according to a first embodiment,
Figure 2 shows a metallurgical furnace that is provided with an injection unit according to a second embodiment, and
Figures 3 and 4 shows the function principle of injection unit according to a first embodiment.
Detailed description of the invention
The invention relates to method and to an arrangement for adjusting characteristics of a furnace process in a furnace space 2 limited by a furnace shell 3 of a metallurgical furnace 4 and to an injection unit for use in the method and/or in the arrangement.
The metallurgical furnace 4 can for example be a suspension smelting furnace, an electric arc furnace, a top submerged lance furnace, or a bottom blown furnace. Figures 1 and 2 shows a metallurgical furnace 4 that is in the form of a suspension smelting furnace.
First the method for adjusting characteristics of a furnace process in a furnace space 2 limited by a furnace shell 3 of a metallurgical furnace 4 and some variants and embodiments of the method will be described in greater detail.
The method comprises a first providing step for providing a furnace aperture 5 extending through the furnace shell 3 of the metallurgical furnace 4.
The method comprises a second providing step for providing an injection unit 6 comprising a frame 7.
The injection unit 6 comprises at least one linearly movable injection device 8 that is configured to move linearly with respect to the frame 7 and that is configured to inject additives.
The injection unit 6 comprises mounting means 9 for mounting the frame 7 on the metallurgical furnace 4 outside the furnace space 2.
The injection unit 6 comprises first moving means 10 for moving said at least one linearly movable injection device 8 with respect to the frame 7, and second moving means 11 for moving said first moving means 10 between a first position and a second position with respect to the mounting means 9.
Said at least one linearly movable injection device 8 is preferably, but not necessarily, configured to move linearly for a predefined distance with respect to the frame 7.
The method comprises a mounting step for mounting the injection unit 6 by means of the mounting means 9 on the metallurgical furnace 4 outside the furnace space 2.
The method comprises a first moving step for moving said at least one linearly movable injection device 8 by means of the second moving means 11 with respect to the mounting means 9 from a first position, where said at least one linearly movable injection device 8 is unable to linearly move through the furnace aperture 5 in the furnace shell 3, into a second position, where said at least one linearly movable injection device 8 is able to linearly move through the furnace aperture 5 in the furnace shell 3.
The method comprises a second moving step for moving said at least one linearly movable injection device 8 by means of the first moving means 10 in said second position linearly through the furnace aperture 5 in the furnace shell 3 at least partly into the furnace space 2 and possible partly into furnace melt 1 in the furnace space 2, and an injections step for injecting additives into the furnace space 2 by means of said at least one linearly movable injection device 8 that is located at least partly inside the furnace space 2.
The method comprises a third moving step for moving said at least one linearly movable injection device 8 by means of the first moving means 10 in said second position through the furnace aperture 5 in the furnace shell 3 out of the furnace space 2.
The method comprises a fourth moving step for moving said at least one linearly movable injection device 8 by means of the second moving means 11 with respect to the mounting means 9 from said second position, where said at least one linearly movable injection device 8 is able to linearly move through the furnace aperture 5 in the furnace shell 3, into a third position, where said at least one linearly movable injection device 8 is unable to linearly move through the furnace aperture 5 in the furnace shell 3.
The third position may be the same as the first position or position different from the first position.
The method may comprise providing an injection unit 6 in the second providing step comprising a steering unit (not shown in the drawings) for automatically controlling at least the first moving means 10 and the second moving means 11, and the method may include automatically performing the first moving step, the second moving step, the third moving step, and the fourth moving step as controlled by the steering unit of the injection unit 6.
The injection unit 6 can be mounted in the mounting step by means of the mounting means 9 on at least one of a furnace roof of the furnace shell 3 of the metallurgical furnace 4, as shown in figures 1 and 2, or on a furnace steel structure (not illustrated) above a furnace roof of the furnace shell 3 of the metallurgical furnace 4.
The method may include a third providing step for providing a hatch mechanism 12 for closing the furnace aperture 5 extending through the furnace shell 3, and a first connecting step for functionally connecting the hatch mechanism 12 with the injection unit 6 so that the hatch mechanism 12 is configured to open the furnace aperture 5 when the second moving means 11 of the injection unit 6 moves said at least one linearly movable injection device 8 into the second position and so that the hatch mechanism 12 is configured to close the furnace aperture 5 when the second moving means 11 of the injection unit 6 moves said at least one linearly movable injection device 8 from the second position into the third position.
The method may include moving said at least one linearly movable injection device 8 between the first position and the second position in the first moving step by rotating said first moving means 10 with respect to the mounting means 9 and between the second position and the third position in the fourth moving step by rotating said first moving means 10 with respect to the mounting means 9. Figures 1, 3 and 4 show such embodiments.
The method may include moving said at least one linearly movable injection device 8 between the first position and the second position in the first moving step linearly by moving said first moving means 10 linearly with respect to the mounting means 9, and between the second position and the third position in the fourth moving step linearly by moving said first moving means 10 linearly with respect to the mounting means 9. Figure 2 show such embodiment.
In an embodiment of the method, said at least one linearly movable injection device 8 of the injection unit 6 that is provided in the second providing step comprises an injection nozzle 14 and an elongated rod 15 having a distal end to which the injection nozzle 14 is attached.
In an embodiment of the method, at least one of coke, pulverized coal, concentrate mixture, silica, lime, limestone is injected into the furnace melt 1 inside the furnace space 2 in the injection step by means of said at least one linearly movable injection device 8.
In an embodiment of the method, at least one of coke, pulverized coal, concentrate mixture, silica, lime, and limestone is injected into the furnace space 2 in the injection step by means of said at least one linearly movable injection device 8.
In an embodiment of the method, the injection unit 6 that is provided comprises at least one of an electric motor, a pneumatic cylinder and a linear motor for linearly moving said at least one linearly movable injection device 8 between the first position and the second position in the first moving step and between the second position and the third position in the fourth moving step.
In an embodiment of the method, the injection unit 6 that is provided comprises at least one of an electric motor, a pneumatic cylinder and a linear motor for linearly moving said at least one linearly movable injection device 8 through the aperture 5 in the furnace shell 3.
In an embodiment of the method, the method comprises a connecting step for functionally connecting the injection unit 6 with a process control system of the metallurgical furnace 4.
In an embodiment of the method, the injection unit 6 that is provided in the second providing step comprise a linearly movable monitoring device (not shown in the figures) comprising at least one of a measuring device, a sampling device or an observing device for monitoring characteristics of the furnace process in the furnace space, third moving means (not shown in the figures) for linearly moving said at least one linearly movable monitoring device with respect to the frame 7, and fourth moving means (not shown in the figures) for moving said at least one linearly movable monitoring device between a fourth position and a fifth position with respect to the mounting means 9. This embodiment of the method comprises a fifth moving step for moving the third moving means by means of the fourth moving means with respect to the mounting means 9 from the fourth position into the fifth position, where the third moving means is able to move said at least one linearly movable monitoring device linearly through the furnace aperture 5 in the furnace shell 3. This embodiment of the method comprises a sixth moving step for moving said at least one linearly movable monitoring device by means of the third moving means in said fifth position linearly through the furnace aperture 5 in the furnace shell 3 at least partly into the furnace space 2, and a monitoring step for monitoring characteristics of the furnace process in the furnace space 2 by means of said at least one linearly movable monitoring device that is at least partly inside the furnace space 2. This embodiment of the method comprises a seventh moving step for moving said at least one linearly movable monitoring device by means of the third moving means in said fifth position linearly through the furnace aperture 5 in the furnace shell 3 out of the furnace space 2. This embodiment of the method comprises an eight moving step for moving the third moving means by means of the fourth moving means with respect to the mounting means 9 from the fifth position into a sixth position, where the third moving means is unable to linearly move said at least one linearly movable monitoring device linearly through the furnace aperture 5 in the furnace shell 3. Said at least one linearly movable monitoring device can comprise at least one of the following: a thermometer or an optical pyrometer for measuring temperature, a sampling chamber for measuring liquidus temperature of the furnace melt 1 inside the furnace space 2, a sounding rod configured to measure the level of the furnace melt 1 inside the furnace space 2 or configured to measure the thickness of a slag layer and/or of a molten metal layer of the furnace melt 1 inside the furnace space 2, a camera configured to take pictures inside the furnace space 2, a dust sampling device for taking dust samples inside the furnace space 2, a melt sampling device for taking melt samples from the furnace melt 1 inside the furnace space 2, and a gas sampling device for taking gas samples inside the furnace space 2.
Next the arrangement for adjusting characteristics of a furnace process in a furnace space 2 limited by a furnace shell 3 of a metallurgical furnace 4 and some variants and embodiments of the arrangement will be described in greater detail.
The arrangement comprises an injection unit 6 having a frame 7 mounted by means of a mounting means 9 on the metallurgical furnace 4 outside the furnace space 2.
The arrangement comprises a furnace aperture 5 extending through the furnace shell 3 of the metallurgical furnace 4.
The injection unit 6 comprises at least one linearly movable injection device 8 that is configured to move linearly with respect to the frame 7. Said at least one linearly movable injection device 8 is preferably, but not necessarily, configured to move linearly for a predefined distance with respect to the frame 7. The injection unit 6 comprises first moving means 10 for moving said at least one linearly movable injection device 8 linearly with respect to the frame 7.
The injection unit 6 comprises second moving means 11 for moving the first moving means 10 with respect to the mounting means 9 between a second position, where the first moving means 10 is able to linearly move said at least one linearly movable injection device 8 linearly through the furnace aperture 5 in the furnace shell 3, and a first position, where the first moving means 10 is unable to move said at least one linearly movable injection device 8 linearly through the furnace aperture 5 in the furnace shell 3.
The third position may be the same as the first position or position different from the first position.
The injection unit 6 may comprise a steering unit (not shown in the drawings) for automatically adjusting at least the first moving means 10 and the second moving means 11.
In the embodiments shown in the figures, the injection unit 6 comprises two linearly movable injection devices 8, which are configured to move linearly with respect to the frame 7 and each of the linearly movable injection devices 8 are provided with first moving means 10 for moving the linearly movable injection device 8 with respect to the frame 7. If the injection unit 6 comprises several linearly movable injection devices 8, such as two linearly movable injection devices 8, each of the linearly movable injection devices 8 are preferably, but not necessarily, configured to inject a respective additive into the furnace space 2.
The injection unit 6 may be mounted on at least one of a furnace roof of the furnace shell 3, as shown in figures 1 and 2, or a furnace steel structure above a furnace roof of the furnace shell 3.
The arrangement may comprise a hatch mechanism 12 for closing the furnace aperture 5, and the hatch mechanism 12 may be functionally connected with the injection unit 6 so that the hatch mechanism 12 is configured to open the furnace aperture 5 when the second moving means 11 of the injection unit 6 moves said at least one linearly movable injection device 8 into the second position and so that the hatch mechanism 12 is configured to close the furnace aperture 5 when the second moving means 11 of the injection unit 6 moves said at least one linearly movable injection device 8 from the second position.
The second moving means 11 may be configured to move the first moving means 10 between the first position and the second position by rotating.
The second moving means 11 may be configured to move the first moving means 10 between the first position and the second position linearly.
The injection unit 6 may comprise a linearly movable injection device 8 comprising an injection nozzle 14 and an elongated rod 15 having a distal end at which the injection nozzle 14 is attached.
Said at least one linearly movable injection device 8 may comprise an injection nozzle 15 configured to inject additives such as coke, pulverized coal, concentrate mixture, silica, lime, limestone into the furnace melt 1 inside the furnace space 2.
The injection unit 6 may comprise at least one of an electric motor, a pneumatic cylinder and a linear motor for linearly moving said at least one linearly movable injection device 8 through the aperture 5 in the furnace shell 3.
The injection unit 6 may be functionally connected with a process control system of the metallurgical furnace 4 for remotely operating the injection unit.
In an embodiment of the arrangement, the injection unit 6 comprises at least one linearly movable monitoring device comprising at least one of a measuring device, a sampling device or an observing device for monitoring characteristics of the furnace process in the furnace space 2. In this embodiment of the arrangement, said at least one linearly movable monitoring device is configured to move linearly with respect to the frame 7. In this embodiment of the arrangement, the injection unit 6 comprises third moving means for moving said at least one linearly movable monitoring device with respect to the frame 7, and the injection unit 6 comprises fourth moving means for moving the third moving means with respect to the mounting means 9 between a fourth position, where said at least one linearly movable monitoring device is able to linearly move through the furnace aperture 5 in the furnace shell 3, and a fifth position, where said at least one linearly movable monitoring device is unable to linearly move through the furnace aperture 5 in the furnace shell 3. Said at least one linearly movable monitoring device can comprise at least one of the following: a thermometer or an optical pyrometer for measuring temperature, a sampling chamber for measuring liquidus temperature of the furnace melt 1 inside the furnace space 2, a sounding rod configured to measure the level of the furnace melt 1 inside the furnace space 2 or configured to measure the thickness of a slag layer and/or of a molten metal layer of the furnace melt 1 inside the furnace space 2, a camera configured to take pictures inside the furnace space 2, a dust sampling device for taking dust samples inside the furnace space 2, a melt sampling device for taking melt samples from the furnace melt 1 inside the furnace space 2, and a gas sampling device for taking gas samples inside the furnace space 2.
Next the injection unit 6 for use in the method or in the arrangement and some variants and embodiments of the injection unit 6 will be described in greater detail.
The injection unit 6 comprises mounting means 9 for mounting a frame 7 of the injection unit 6 outside a furnace space 2 limited by a furnace shell 3 of a metallurgical furnace 4.
The injection unit 6 comprises at least one linearly movable injection device 8 that is configured to move linearly with respect to the frame 7 and that is configured to inject additives. The injection unit 6 comprises first moving means 10 for moving said at least one linearly movable injection device 8 with respect to the frame 7. Said at least one linearly movable injection device 8 is preferably, but not necessarily, configured to move linearly for a predefined distance with respect to the frame 7.
In the embodiments shown in the figures, the injection unit 6 comprises two linearly movable adjusting devices 8, which are configured to move linearly with respect to the frame 7 and each of the linearly movable adjusting devices 8 are provided with first moving means 10 for moving the linearly movable injection device 8 with respect to the frame 7. If the injection unit 6 comprises several linearly movable adjusting devices 8, such as two linearly movable adjusting devices 8, each of the linearly movable adjusting devices 8 are preferably, but not necessarily, configured to adjust a respective characteristic of a furnace process in the furnace space 2.
The injection unit 6 comprises second moving means 11 for moving said first moving means 10 with respect to the mounting means 9 between a first position and a second position. The second moving means 11 is preferably, but not necessarily, configured to move said first moving means 10 with respect to the mounting means 9 between a first position and a second position in a state, when said at least one linearly movable injection device 8 is positioned fully outside the furnace space 2.
The second moving means 11 may, as in the first embodiment shown in figures 1, 3 and 4, be configured to move said first moving means 10 between the first position and the second position with respect to the mounting means 9 by rotating the frame 7 with respect to the mounting means 9.
The second moving means 11 may, as in the first embodiment shown in figure 2, be configured to move said first moving means 10 between the first position and the second position linearly with respect to the mounting means 9.
The injection unit 6 may comprise a linearly movable injection device 8 comprising an injection nozzle 14 and an elongated rod 15 having a distal end at which the injection nozzle 14 is attached.
The injection unit 6 may comprise a linearly movable injection device 8 comprising an injection device configured to inject additives such as coke, pulverized coal, concentrate mixture, silica, lime, limestone into the furnace melt 1 inside the furnace space 2.
The injection unit 6 may comprise at least one of an electric motor, a pneumatic cylinder and a linear motor for linearly moving said at least one linearly movable injection device 8 through the aperture 5 in the furnace shell 3.
The injection unit 6 comprises at least one of an electric motor, a pneumatic cylinder and a linear motor for moving the frame 7 with respect to the mounting means 9.
The injection unit 6 comprises at least one of an electric motor, a pneumatic cylinder and a linear motor for linearly moving said at least one linearly movable injection device 8 with respect to the frame 7.
In an embodiment of the injection unit 6, the injection unit 6 comprises at least one linearly movable monitoring device comprising at least one of a measuring device, a sampling device or an observing device for monitoring characteristics of the furnace process in the furnace space 2. In this embodiment of the injection unit 6, said at least one linearly movable monitoring device is configured to move linearly with respect to the frame 7. In this embodiment of the arrangement, the injection unit 6 comprises third moving means for moving said at least one linearly movable monitoring device with respect to the frame 7, and the injection unit 6 comprises fourth moving means for moving the third moving means with respect to the mounting means 9 between a fourth position and a fifth position. Said at least one linearly movable monitoring device can comprise at least one of the following: a thermometer or an optical pyrometer for measuring temperature, a sampling chamber for measuring liquidus temperature of the furnace melt 1 inside the furnace space 2, a sounding rod configured to measure the level of the furnace melt 1 inside the furnace space 2 or configured to measure the thickness of a slag layer and/or of a molten metal layer of the furnace melt 1 inside the furnace space 2, a camera configured to take pictures inside the furnace space 2, a dust sampling device for taking dust samples inside the furnace space 2, a melt sampling device for taking melt samples from the furnace melt 1 inside the furnace space 2, and a gas sampling device for taking gas samples inside the furnace space 2.
It is apparent to a person skilled in the art that as technology advances, the basic idea of the invention can be implemented in various ways. The invention and its embodiments are therefore not restricted to the above examples, but they may vary within the scope of the claims.
Claims (16)
1. Menetelmä metallurgisen uunin (4) uunikuoren (3) rajaaman uunin sisätilan (2) uuniprosessin ominaisuuksien säätämiseksi, jolloin menetelmä käsittää ensimmäisen aikaansaamisvaiheen uunikuoren läpi ulottuvan uuniaukon (5) aikaansaamiseksi, tunnettu siitä, että siinä on toinen aikaansaamisvaihe sisäänpuhallusyksikön (6) aikaansaamiseksi, joka sisäänpuhallusyksikkö käsittää rungon (7), ainakin yhden lineaarisesti liikutettavan sisäänpuhalluslaitteen (8), joka on konfiguroida liikkumaan lineaarisesti runkoon (7) nähden ja joka on konfiguroida ruiskuttamaan lisäaineita, asennusvälineet (9) sisäänpuhallusyksikön (6) asentamiseen metallurgisen uunin (4) päälle uunin sisätilan (2) ulkopuolelle, ensimmäisen siirtovälineen (10) mainitun ainakin yhden lineaarisesti liikutettavan sisäänpuhalluslaitteen (8) liikuttamiseen lineaarisesti runkoon (7) nähden, ja toisen siirtovälineen (11) mainitun ainakin yhden lineaarisesti liikutettavan sisäänpuhalluslaitteen (8) liikuttamiseen ensimmäisen ja toisen asennon välillä asennusvälineisiin (9) nähden, asennusvaihe sisäänpuhallusyksikön (6) asentamiseksi asennusvälineiden (9) avulla metallurgisen uunin (4) päälle uunin sisätilan (2) ulkopuolelle, ensimmäinen liikuttanois vaihe ensimmäisen siirtovälineen (10) liikuttamiseksi asennusvälineisiin (9) nähden toisen siirtovälineen (11) avulla ensimmäisestä asennosta toiseen asentoon, jolloin ensinomäinen siirtoväline (10) pystyy liikuttamaan mainitun ainakin yhden lineaarisesti liikutettavan sisäänpuhalluslaitteen (8) lineaarisesti uunikuoren (3) uuniaukon (5) läpi, toinen liikuttamisvaihe mainitun ainakin yhden lineaarisesti liikutettavan sisäänpuhalluslaitteen (8) liikuttamiseksi mainitussa toisessa asennossa olevan ensimmäisen siirtovälineen (10) avulla lineaarisesti uunikuoren (3) uuniaukon (5) läpi ainakin osittain uunin sisätilaan (2), ja ruiskutusvaihe lisäaineiden ruiskuttamiseksi uunin sisätilaan (2) ainakin osittain uunin sisätilassa (2) olevan mainitun ainakin yhden lineaarisesti liikutettavan sisäänpuhalluslaitteen (8) avulla, kolmas liikuttamisvaihe mainitun ainakin yhden lineaarisesti liikutettavan sisäänpuhalluslaitteen (8) liikuttamiseksi mainitussa toisessa asennossa olevan ensimmäisen siirtovälineen (10) avulla lineaarisesti uunikuoren (3) uuniaukon (5) läpi ulos uunin sisätilasta (2), ja neljäs liikuttamisvaihe ensimmäisen siirtovälineen (10) liikuttamiseksi asennusvälineisiin (9) nähden toisen siirtovälineen (11) avulla toisesta asennosta kolmanteen asentoon, jolloin ensimmäinen siirtoväline (10) on kykenemätön liikuttamaan mainittua ainakin yhtä lineaarisesti liikutettavaa sisäänpuhalluslaitetta (8) lineaarisesti uunikuoren (3) uuniaukon (5) läpi.
2. Patenttivaatimuksen 1 mukainen menetelmä, tunnettu siitä, että sisäänpuhallusyksikkö (6) asennetaan asennusvälineiden (9) avulla ainakin yhden päälle uunikuoren (3) uunin katosta tai uunin katon yläpuolella olevasta uunin teräsrakenteesta.
3. Patenttivaatimuksen 1 tai 2 mukainen menetelmä, tunnettu siitä, että siinä on kolmas aikaansaamisvaihe luukkumekanismin (12) aikaansaamiseksi uuniaukon (5) sulkemiseen, ja ensimmäinen liittämis vaihe luukkumekanismin (12) liittämiseksi toiminnallisesti sisäänpuhallusyksikköön (6) siten, että luukkumekanismi (12) on konfiguroitu avaamaan uuni aukko (5) sisäänpuhallusyksikön (6) toisen siirtovälineen (11) liikuttaessa ensimmäinen siirtoväline (10) toiseen asentoon ja siten että luukkumekanismi (12) on konfiguroitu sulkemaan uuni aukko (5) sisäänpuhallusyksikön (6) toisen siirtovälineen (11) liikuttaessa ensimmäinen siirtoväline (10) pois toisesta asennosta.
4. Jonkin patenttivaatimuksista 1-3 mukainen menetelmä, tunnettu siitä, että toinen siirtoväline (11) liikutetaan ensimmäisen asennon ja toisen asennon välillä rotaation avulla.
5. Jonkin patenttivaatimuksista 1-4 mukainen menetelmä, tunnettu siitä, että siinä on toisessa aikaansaamisvaiheessa aikaansaadun sisäänpuhallusyksikön (6) käsittämä lineaarisesti liikutettava seurantalaite, joka käsittää ainakin yhden mittauslaitteesta, näytteenottolaitteesta tai havaitsemislaitteesta uunin sisätilan (2) uuniprosessin ominaisuuksien seurantaan, kolmannen siirtovälineen mainitun ainakin yhden lineaarisesti liikutettavan seurantalaitteen liikuttamiseen lineaarisesti runkoon (7) nähden, ja neljännen siirtovälineen mainitun ainakin yhden lineaarisesti liikutettavan seurantalaitteen liikuttamiseen neljännen asennon ja viidennen asennon välillä asennusvälineisiin (9) nähden, viides liikuttamisvaihe kolmannen siirtovälineen liikuttamiseksi neljännen siirtovälineen avulla asennusvälineisiin (9) nähden neljännestä asennosta viidenteen asentoon, jolloin kolmas siirtoväline pystyy liikuttamaan mainitun ainakin yhden lineaarisesti liikutettavan seurantalaitteen lineaarisesti uunikuoren (3) uuniaukon (5) läpi, kuudes liikuttamisvaihe mainitun ainakin yhden lineaarisesti liikutettavan seurantalaitteen liikuttamiseksi mainitussa viidennessä asennossa olevan kolmannen siirtovälineen avulla lineaarisesti uunikuoren (3) uuniaukon (5) läpi ainakin osittain uunin sisätilaan (2), ja seurantavaihe uunin sisätilan (2) uuniprosessin ominaisuuksien seuraamiseksi ainakin osittain uunin sisätilassa (2) olevan mainitun ainakin yhden lineaarisesti liikutettavan seurantalaitteen avulla, seitsemäs liikuttamisvaihe mainitun ainakin yhden lineaarisesti liikutettavan seurantalaitteen liikuttamiseksi mainitussa viidennessä asennossa olevan kolmannen siirtovälineen avulla lineaarisesti uuni kuoren (3) uuniaukon (5) läpi pois uunin sisätilasta (2), ja kahdeksas liikuttamisvaihe kolmannen siirtovälineen liikuttamiseksi neljännen siirtovälineen avulla asennusvälinisiin (9) nähden viidennestä asennosta kuudenteen asentoon, jolloin kolmas siirtoväline on kykenemätön liikuttamaan mainittua ainakin yhtä lineaarisesti liikutettavaa seurantalaitetta lineaarisesti uunikuoren (3) uuniaukon (5) läpi.
6. Jonkin patenttivaatimuksista 1-5 mukainen menetelmä, tunnettu siitä, että mainittu ainakin yksi lineaarisesti liikutettava sisäänpuhalluslaite (8) käsittää ruiskutussuuttimen (14), joka on konfiguroitu ruiskuttamaan lisäaineita, kuten koksia, hiilijauhetta, rikasteseosta, silikaa, kalkkia, kalkkikiveä uunin sisätilassa (2) olevaan uunisulaan (O·
7. Järjestely metallurgisen uunin (4) uunikuoren (3) rajaaman uunin sisätilan (2) uuniprosessin ominaisuuksien säätämiseen, jolloin järjestely käsittää uunikuoren (3) läpi ulottuvan uuniaukon (5), tunnettu siitä, että siinä on sisäänpuhallusyksikkö (6), jolla on uunikuoren (3) uunin sisätilan (2) ulkopuolelle metallurgisen uunin (4) päälle asennusvälineiden (9) avulla asennettu runko (7), sisäänpuhallusyksikkö (6) käsittää ainakin yhden lineaarisesti liikutettavan sisäänpuhalluslaitteen (8), joka on konfiguroitu liikkumaan lineaarisesti runkoon (7) nähden, ja ensimmäisen siirtovälineen (10) mainitun ainakin yhden lineaarisesti liikutettavan sisäänpuhalluslaitteen (8) liikuttamiseen runkoon (7) nähden, ja sisäänpuhallusyksikkö (6) käsittää toisen siirtovälineen (11) ensimmäisen siirtovälineen (10) liikuttamiseen asennusvälineisiin (9) nähden ensimmäisen asennon, jossa mainittu ainakin yksi lineaarisesti liikutettava sisäänpuhalluslaite pystyy liikkumaan lineaarisesti uunikuoren (3) uuniaukon (5) läpi, ja toisen asennon välillä, jossa toisessa asennossa mainittu ainakin yksi lineaarisesti liikutettava sisäänpuhalluslaite (8) on kykenemätön liikkumaan lineaarisesti uunikuoren (3) uuniaukon (5) läpi.
8. Patenttivaatimuksen 7 mukainen järjestely, tunnettu siitä, että sisäänpuhallusyksikkö (6) on asennettu ainakin yhden päälle uunikuoren (3) uunin katosta tai uunikuoren (3) uunin katon yläpuolella olevasta uunin teräsrakenteesta.
9. Patenttivaatimuksen 7 tai 8 mukainen järjestely, tunnettu siitä, että järjestely käsittää luukkumekanismin (12) uuniaukon (5) sulkemiseen, ja siitä että luukkumekanismi (12) on toiminnallisesti liitetty sisäänpuhallusyksikköön (6) siten että luukkumekanismi (12) on konfiguroitu avaamaan uuni aukko (5) liikuttaessa sisäänpuhallusyksikön (6) toinen siirtoväline (11) ensimmäisen siirtovälineen (10) kanssa toiseen asentoon ja siten että luukkumekanismi (12) on konfiguroitu sulkemaan uuni aukko (5) liikuttaessa sisäänpuhallusyksikön (6) toinen siirtoväline (11) ensimmäisen siirtovälineen (10) kanssa pois toisesta asennosta.
10. Jonkin patenttivaatimuksista 7-9 mukainen järjestely, tunnettu siitä, että toinen siirtoväline (11) on konfiguroitu liikuttamaan ensimmäinen siirtoväline (10) ensimmäisen asennon ja toisen asennon välillä rotaation avulla.
11. Jonkin patenttivaatimuksista 7-10 mukainen järjestely, tunnettu siitä, että sisäänpuhallusyksikkö (6) käsittää ainakin yhden lineaarisesti liikutettavan seurantalaitteen, joka käsittää ainakin yhden mittauslaitteesta, näytteenottolaitteesta tai havaitsemislaitteesta uunin sisätilan (2) uuniprosessin ominaisuuksien seurantaan, siitä, että mainittu ainakin yksi lineaarisesti liikutettava seurantalaite on konfiguroitu liikkumaan lineaarisesti runkoon (7) nähden, siitä, että sisäänpuhallusyksikkö (6) käsittää kolmannen siirtovälineen mainitun ainakin yhden lineaarisesti liikutettavan seurantalaitteen liikuttamiseen runkoon (7) nähden, ja siitä, että sisäänpuhallusyksikkö (6) käsittää neljännen siirtovälineen kolmannen siirtovälineen liikuttamiseen asennusvälineisiin (9) nähden neljännen asennon, jossa mainittu ainakin yksi lineaarisesti liikutettava seurantalaite pystyy liikkumaan lineaarisesti uunikuoren (3) uuniaukon (5) läpi, ja viidennen asennon välillä, jossa viidennessä asennossa mainittu ainakin yksi lineaarisesti liikutettava seurantalaite on kykenemätön liikkumaan lineaarisesti uunikuoren (3) uuniaukon (5) läpi.
12. Jonkin patenttivaatimuksista 7-11 mukainen järjestely, tunnettu siitä, että lineaarisesti liikutettava sisäänpuhalluslaite (8) käsittää ruiskutussuuttimen (14), joka on konfiguroitu ruiskuttamaan lisäaineita, kuten koksia, hiilijauhetta, rikasteseosta, silikaa, kalkkia, kalkkikiveä uunin sisätilassa (2) olevaan uunisulaan (1).
13. Jonkin patenttivaatimuksista 1-6 mukaisessa menetelmässä tai jonkin patenttivaatimuksista 7-12 mukaisessa järjestelyssä käytettävä sisäänpuhallusyksikkö (6), tunnettu siitä, että siinä on asennusvälineet (9) sisäänpuhallusyksikön (6) rungon (7) asentamiseen metallurgisen uunin (4) uunikuoren (3) rajaaman uunin sisätilan (2) ulkopuolelle, siitä, että sisäänpuhallusyksikkö (6) käsittää ainakin yhden lineaarisesti liikutettavan sisäänpuhalluslaitteen (8), joka on konfiguroitu liikkumaan lineaarisesti runkoon (7) nähden ja joka on konfiguroitu ruiskuttamaan lisäaineita, siitä, että sisäänpuhallusyksikkö (6) käsittää ensimmäisen siirtovälineen (10) mainitun ainakin yhden lineaarisesti liikutettavan sisäänpuhalluslaitteen (8) liikuttamiseen runkoon (7) nähden,ja siitä, että sisäänpuhallusyksikkö (6) käsittää toisen siirtovälineen (11) ensimmäisen siirtovälineen (10) liikuttamiseen asennusvälineisiin (9) nähden ensimmäisen asennon ja toisen asennon välillä.
14. Patenttivaatimuksen 13 mukainen sisäänpuhallusyksikkö (6), tunnettu siitä, että toinen siirtoväline (11) on konfiguroitu liikuttamaan ensimmäinen siirtoväline (10) ensimmäisen asennon ja toisen asennon välillä rotaation avulla.
15. .Tonkin patenttivaatimuksista 13 - 14 mukainen sisäänpuhallusyksikkö (6), tunnettu siitä, että mainittu ainakin yksi lineaarisesti liikutettava sisäänpuhalluslaite (8) käsittää ruiskutussuuttimen (14), joka on konfiguroitu ruiskuttamaan lisäaineita, kuten koksia, hiilijauhetta, rikasteseosta, silikaa, kalkkia, kalkkikiveä uunin sisätilassa (2) olevaan uunisulaan (O-
16. .Tonkin patenttivaatimuksista 13 - 15 mukainen sisäänpuhallusyksikkö (6), tunnettu siitä, että sisäänpuhallusyksikkö (6) käsittää ainakin yhden lineaarisesti liikutettavan seurantalaitteen, joka käsittää ainakin yhden mittauslaitteesta, näytteenottolaitteesta tai havainnointilaitteesta uunin sisätilan (2) uuniprosessin ominaisuuksien seurantaan, siitä, että mainittu ainakin yksi lineaarisesti liikutettava seurantalaite on konfiguroitu liikkumaan lineaarisesti runkoon (7) nähden, siitä, että sisäänpuhallusyksikkö (6) käsittää kolmannen siirtovälineen mainitun ainakin yhden lineaarisesti liikutettavan seurantalaitteen liikuttamiseen runkoon (7) nähden, ja siitä, että sisäänpuhallusyksikkö (6) käsittää neljännen siirtovälineen kolmannen siirtovälineen liikuttamiseen asennusvälineisiin (9) nähden neljännen asennon ja viidennen asennon välillä.
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20155660A FI127166B (fi) | 2015-09-15 | 2015-09-15 | Menetelmä ja järjestely uuniprosessin ominaisuuksien säätämiseksi ja injektointiyksikkö |
| ES16778075T ES2751799T3 (es) | 2015-09-15 | 2016-09-14 | Método y disposición para ajustar las características de un proceso de horno en un espacio de horno y unidad de inyección |
| US15/758,425 US20180245850A1 (en) | 2015-09-15 | 2016-09-14 | Method and arrangement for adjusting characteristics of a furnace process in a furnace space and injection unit |
| CN201680052886.1A CN108139157B (zh) | 2015-09-15 | 2016-09-14 | 调节炉空间中炉内过程特性的方法和设备以及注入单元 |
| RSP20191348 RS59464B1 (sr) | 2015-09-15 | 2016-09-14 | Metoda i aranžman za podešavanje karakteristika procesa u peći u prostoru peći i jedinica za ubrizgavanje |
| PCT/FI2016/050634 WO2017046451A1 (en) | 2015-09-15 | 2016-09-14 | Method and arrangement for adjusting characteristics of a furnace process in a furnace space and injection unit |
| EA201890488A EA034030B1 (ru) | 2015-09-15 | 2016-09-14 | Способ и устройство для регулирования характеристик технологического процесса в печном пространстве печи и инжекционный блок |
| EP16778075.8A EP3350526B1 (en) | 2015-09-15 | 2016-09-14 | Method and arrangement for adjusting characteristics of a furnace process in a furnace space and injection unit |
| PL16778075T PL3350526T3 (pl) | 2015-09-15 | 2016-09-14 | Sposób i system do regulowania parametrów procesu piecowego w przestrzeni pieca oraz zespół wtryskujący |
| CL2018000645A CL2018000645A1 (es) | 2015-09-15 | 2018-03-12 | Método y disposición para ajustar las características de un proceso de horno en un espacio de horno y una unidad de inyección |
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| FI20155660A FI127166B (fi) | 2015-09-15 | 2015-09-15 | Menetelmä ja järjestely uuniprosessin ominaisuuksien säätämiseksi ja injektointiyksikkö |
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| US (1) | US20180245850A1 (fi) |
| EP (1) | EP3350526B1 (fi) |
| CN (1) | CN108139157B (fi) |
| CL (1) | CL2018000645A1 (fi) |
| EA (1) | EA034030B1 (fi) |
| ES (1) | ES2751799T3 (fi) |
| FI (1) | FI127166B (fi) |
| PL (1) | PL3350526T3 (fi) |
| RS (1) | RS59464B1 (fi) |
| WO (1) | WO2017046451A1 (fi) |
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| FI127179B (fi) | 2015-09-15 | 2017-12-29 | Outotec Finland Oy | Menetelmä ja järjestely uuniprosessin ominaisuuksien seuraamiseksi ja prosessiseurantayksikkö |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3946610A (en) * | 1973-06-12 | 1976-03-30 | Societe Des Aciers Fins De L'est | Temperature measuring device for metallurgical furnaces |
| US6212218B1 (en) * | 2000-04-25 | 2001-04-03 | Process Technology International, Inc. | Reusable lance with consumable refractory tip |
| TWI373529B (en) * | 2004-07-27 | 2012-10-01 | Tech Resources Pty Ltd | Smelting apparatus |
| LU91264B1 (en) * | 2006-07-12 | 2008-01-14 | Wurth Paul Sa | Pulverized coal injection lance |
| CA2835289A1 (en) * | 2010-05-07 | 2011-11-10 | Edgar R. Wunsche | Remotely controlled semi-automatic mechanized sampling and temperature measuring probe apparatus for molten steel in metallurgical furnaces |
| US9187791B2 (en) * | 2012-07-06 | 2015-11-17 | Specialty Minerals (Michigan) Inc. | Shallow metallurgical wire injection method and related depth control |
| US20160282048A1 (en) * | 2013-11-13 | 2016-09-29 | Empco (Canada) Ltd. | Metallurgical furnace probe with ejecting cartridge sensor |
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2016
- 2016-09-14 WO PCT/FI2016/050634 patent/WO2017046451A1/en not_active Ceased
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- 2016-09-14 EA EA201890488A patent/EA034030B1/ru not_active IP Right Cessation
- 2016-09-14 US US15/758,425 patent/US20180245850A1/en not_active Abandoned
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- 2016-09-14 CN CN201680052886.1A patent/CN108139157B/zh active Active
- 2016-09-14 EP EP16778075.8A patent/EP3350526B1/en active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| EA034030B1 (ru) | 2019-12-20 |
| PL3350526T3 (pl) | 2020-03-31 |
| CN108139157B (zh) | 2019-11-05 |
| EP3350526B1 (en) | 2019-08-21 |
| ES2751799T3 (es) | 2020-04-01 |
| CN108139157A (zh) | 2018-06-08 |
| US20180245850A1 (en) | 2018-08-30 |
| RS59464B1 (sr) | 2019-11-29 |
| EP3350526A1 (en) | 2018-07-25 |
| WO2017046451A1 (en) | 2017-03-23 |
| EA201890488A1 (ru) | 2018-08-31 |
| CL2018000645A1 (es) | 2018-06-08 |
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