FI127179B - Menetelmä ja järjestely uuniprosessin ominaisuuksien seuraamiseksi ja prosessiseurantayksikkö - Google Patents

Menetelmä ja järjestely uuniprosessin ominaisuuksien seuraamiseksi ja prosessiseurantayksikkö Download PDF

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Publication number
FI127179B
FI127179B FI20155659A FI20155659A FI127179B FI 127179 B FI127179 B FI 127179B FI 20155659 A FI20155659 A FI 20155659A FI 20155659 A FI20155659 A FI 20155659A FI 127179 B FI127179 B FI 127179B
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FI
Finland
Prior art keywords
furnace
monitoring unit
process monitoring
linearly movable
melt
Prior art date
Application number
FI20155659A
Other languages
English (en)
Swedish (sv)
Inventor
Peter Björklund
Oskari Karhuvaara
Valtteri Sonninen
Pekka Saari
Matti Luomala
Original Assignee
Outotec Finland Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=57068136&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI127179(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Outotec Finland Oy filed Critical Outotec Finland Oy
Priority to FI20155659A priority Critical patent/FI127179B/fi
Priority to PCT/FI2016/050637 priority patent/WO2017046453A1/en
Priority to PL16775756T priority patent/PL3350527T3/pl
Priority to RSP20191156 priority patent/RS59293B1/sr
Priority to EP16775756.6A priority patent/EP3350527B1/en
Priority to EA201890461A priority patent/EA035538B1/ru
Priority to US15/758,224 priority patent/US10921061B2/en
Priority to CN201680051850.1A priority patent/CN107949760B/zh
Priority to ES16775756T priority patent/ES2743976T3/es
Publication of FI127179B publication Critical patent/FI127179B/fi
Application granted granted Critical
Priority to CL2018000588A priority patent/CL2018000588A1/es

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Classifications

    • 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—Arrangements of monitoring devices; Arrangements of safety devices
    • F27D21/0014—Devices for monitoring temperature
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C21C5/4673—Measuring and sampling devices
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0025—Adding carbon material
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered 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
    • F27B14/08—Details peculiar to crucible or pot furnaces
    • F27B14/20—Arrangement of controlling, monitoring, alarm or like devices
    • 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; Tank furnaces
    • F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/28—Arrangement of controlling, monitoring, alarm or the like 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
    • 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—Arrangements of monitoring devices; Arrangements 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
    • F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
    • F27D21/02—Observation or illuminating devices
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C2005/5288—Measuring or sampling devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Description

METHOD AND ARRANGEMENT FOR MONITORING CHARACTERISTICS OF A FURNACE PROCESS IN A FURNACE SPACE AND PROCESS MONITORING UNIT
Field of the invention
The invention relates to a method for monitoring 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 monitoring 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 13.
The invention relates also to a process monitoring unit for use in the method and/or in the arrangement.
Publication WO 2015/046027 A1 presents a lance system, metallurgical furnace using the same and lance positioning method.
Objective of the invention
The object of the invention is to provide a method and an arrangement for in a repeatable manner monitoring characteristics of a furnace process in a furnace space limited by a furnace shell of a metallurgical furnace and to provide a process monitoring unit for use in the method or in the arrangement.
Short description of the invention
The method for monitoring 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 12.
The arrangement for monitoring 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 13.
Preferred embodiments of the arrangement are defined in the dependent claims 14 to 24.
The process monitoring unit for use in the method and/or in the arrangement is characterized by the definitions of independent claim 25.
Preferred embodiments of the process monitoring unit are defined in the dependent claims 26 to 34.
The method and the arrangement and the process monitoring unit allows a repeatable way of monitoring characteristics of a furnace process in a furnace space limited by a furnace shell of a metallurgical furnace, for example such that the temperature measurement is always done at a standard distance from the surface of the melt level, such that a sounding rod always stays in the furnace space for the same amount of time, such that a camera is inserted into the furnace space to the same spot and stays inside the furnace space for the same length of time, such that a dust sampling device is inserted into the furnace space to the same spot, such that a melt sampling device is inserted into the furnace space to the same spot, such that a gas sampling device is inserted into the furnace space to the same spot, and/or such that an automatic melt level detecting sounding rod always moves with the same velocity inside the furnace space.
List of figures
In the following the invention will be described in more detail, by referring to the figures, which
Figure 1 shows a metallurgical furnace that is provided with a process monitoring unit according to a first embodiment,
Figure 2 shows a metallurgical furnace that is provided with a process monitoring unit according to a second embodiment, and
Figures 3 and 4 show the function principle of process monitoring unit according to a first embodiment.
Detailed description of the invention
The invention relates to method and to an arrangement for monitoring characteristics of a furnace process in a furnace space 2 limited by a furnace shell 3 of a metallurgical furnace 4 and to a process monitoring 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 show a metallurgical furnace 4 that is in the form of a suspension smelting furnace.
First the method for monitoring 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 comprising a first providing step for providing a furnace aperture 5 extending through the furnace shell 3 of the metallurgical furnace 4.
The method comprising a second providing step for providing a process monitoring unit 6 comprising a frame 7, at least one linearly movable monitoring device 8 that is configured to move linearly with respect to the frame 7, mounting means 9 for mounting the frame 7 on the metallurgical furnace 4 outside the furnace space 2, first moving means 10 for moving said at least one linearly movable monitoring 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 monitoring device 8 is preferably, but not necessarily, configured to move linearly for a predefined distance with respect to the frame 7.
The method comprising a mounting step for mounting the process monitoring unit 6 by means of the mounting means 9 on the metallurgical furnace 4 outside the furnace space 2.
The method comprising a first moving step for moving said at least one linearly movable monitoring 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 monitoring 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 monitoring device 8 is able to linearly move through the furnace aperture 5 in the furnace shell 3.
The method comprising a second moving step for moving said at least one linearly movable monitoring 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 a monitoring step for monitoring characteristics of a furnace process in the furnace space 2.
The method comprising a third moving step for moving said at least one linearly movable monitoring 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 comprising a fourth moving step for moving said at least one linearly movable monitoring 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 monitoring 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 monitoring 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 a process monitoring unit 6 in the second providing step comprising a steering unit (not shown in the drawings) for automatically monitoring 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 process monitoring unit 6.
The process monitoring 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 process monitoring unit 6 so that the hatch mechanism 12 is configured to open the furnace aperture 5 when the second moving means 11 of the process monitoring unit 6 moves said at least one linearly movable monitoring 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 process monitoring unit 6 moves said at least one linearly movable monitoring device 8 from the second position into the third position.
The method may include moving said at least one linearly movable monitoring 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 monitoring 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 shows such embodiment.
In an embodiment of the method, the process monitoring unit 6 that is provided in the second providing step comprising a linearly movable monitoring device 8 comprising a monitoring apparatus 14 and an elongated rod 15 having a distal end to which the monitoring apparatus 14 is attached.
In an embodiment of the method, the process monitoring unit 6 that is provided in the second providing step comprising a linearly movable monitoring device 8 comprising a monitoring apparatus 14 in the form of at least one of a thermometer or an optical pyrometer configured to measure the temperature of the furnace melt 1 in the furnace space 2 and an elongated rod 15 having a distal end to which the monitoring apparatus 14 in the form of a thermometer is attached. The monitoring step of this embodiment of the method comprising a temperature measuring step for measuring the temperature of the furnace melt 1 in the furnace space 2.
In an embodiment of the method, the process monitoring unit 6 is provided in the second providing step comprising a linearly movable monitoring device 8 comprising a monitoring apparatus 14 in the form of a sampling chamber configured to measure the liquidus temperature of the furnace melt 1 in the furnace space 2 and an elongated rod 15 having a distal end to which the monitoring apparatus 14 in the form of a sampling chamber is attached. The monitoring step of this embodiment of the method comprising monitoring liquidus temperature measuring step for measuring the liquidus temperature of the furnace melt 1 in the furnace space 2 in the monitoring step by taking a sample of the furnace melt 1 in the furnace space 2.
In an embodiment of the method, the process monitoring unit 6 that is provided in the second providing step comprising a linearly movable monitoring device 8 comprising a monitoring apparatus 14 in the form of a sounding rod configured to measure the level of the furnace melt 1 in the furnace space 2 and an elongated rod 15 having distal section forming the sounding rod. The monitoring step of this embodiment of the method comprising a melt level measuring step for measuring the level of the furnace melt 1 in the furnace space 2 in the monitoring step by at least partly submerging the distal section of the elongated rod 15 into the furnace melt 1 in the furnace space 2.
In an embodiment of the method, the process monitoring unit 6 that is provided in the second providing step comprising a linearly movable monitoring device 8 comprising a monitoring apparatus 14 in the form of a sounding rod configured to measure the thickness of as slag layer 13 of the furnace melt 1 in the furnace space 2 and/or the thickness of a molten metal containing layer 12 below the slag layer 13 of the furnace melt 1 in the furnace space 2 and an elongated rod 15 having distal section forming the sounding rod. The monitoring step of this embodiment of the method comprising a slag layer thickness measuring step for measuring the thickness of a slag layer 13 of the furnace melt 1 in the furnace space 2 and/or a molten metal layer thickness measuring step for measuring the thickness of a molten metal containing layer 12 below the slag layer 13 of the furnace melt 1 in the furnace space 2 in the monitoring step by at least partly submerging the distal section of the elongated rod 15 into the furnace melt 1 in the furnace space 2.
In an embodiment of the method, the process monitoring unit 6 that is provided in the second providing step comprising a linearly movable monitoring device 8 comprising a monitoring apparatus 14 in the form of a camera configured to take pictures of the furnace melt 1 in the furnace space 2 and an elongated rod 15 having a distal end to which the monitoring apparatus 14 in the form of a camera is attached. The monitoring step of this embodiment of the method comprising a picture taking step for taking pictures of the furnace melt 1 in the furnace space 2.
In an embodiment of the method, the process monitoring unit 6 that is provided in the second providing step comprising a linearly movable monitoring device 8 comprising a dust sampling device configured to take dust samples from the furnace space 2. The monitoring step of this embodiment of the method comprising a dust sampling step for taking dust samples from the furnace space 2.
In an embodiment of the method, the process monitoring unit 6 that is provided in the second providing step comprising a linearly movable monitoring device 8 comprising a melt sampling device configured to take melt samples from the furnace melt 1 inside the furnace space 2. The monitoring step of this embodiment of the method comprising a melt sampling step for taking samples from the furnace melt 1 inside the furnace space 2.
In an embodiment of the method, the process monitoring unit 6 that is provided in the second providing step comprising a linearly movable monitoring device 8 comprising a gas sampling device configured to take gas samples from the furnace space 2. The monitoring step of this embodiment of the method comprising a gas sampling step for taking gas samples from gas inside the furnace space 2.
In an embodiment of the method, the process monitoring unit 6 that is provided in the second providing step comprising a linearly movable injection device (not marked with a reference numeral) configured to inject additives such as coke, pulverized coal, concentrate mixture, silica, lime, limestone into the furnace melt 1 inside the furnace space 2. This embodiment of the method comprising an injection step for injecting additives into the furnace melt 1 inside the furnace space 2.
In an embodiment of the method, the process monitoring unit 6 that is provided comprising at least one of an electric motor, a pneumatic cylinder and a linear motor for linearly moving said at least one linearly movable monitoring 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 process monitoring unit 6 that is provided comprising at least one of an electric motor, a pneumatic cylinder and a linear motor for linearly moving said at least one linearly movable monitoring device 8 through the aperture 5 in the furnace shell 3.
In an embodiment of the method, the method comprising a connecting step for functionally connecting the process monitoring unit 6 with a process control system of the metallurgical furnace 4.
Next the arrangement for monitoring 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 comprising a process monitoring 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 comprising a furnace aperture 5 extending through the furnace shell 3 of the metallurgical furnace 4.
The process monitoring unit 6 comprising at least one linearly movable monitoring device 8 that is configured to move linearly with respect to the frame 7. Said at least one linearly movable monitoring device 8 is preferably, but not necessarily, configured to move linearly for a predefined distance with respect to the frame 7. The process monitoring unit 6 comprising first moving means 10 for moving said at least one linearly movable monitoring device 8 linearly with respect to the frame 7.
The monitoring means comprising 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 monitoring 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 monitoring 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 process monitoring unit 6 may comprise a steering unit (not shown in the drawings) for automatically monitoring at least the first moving means 10 and the second moving means 11.
In the embodiments shown in the figures, the process monitoring unit 6 comprising two linearly movable monitoring devices 8, which are configured to move linearly with respect to the frame 7 and each of the linearly movable monitoring devices 8 are provided with first moving means 10 for moving the linearly movable monitoring device 8 with respect to the frame 7. If the process monitoring unit 6 comprising several linearly movable monitoring devices 8, such as two linearly movable monitoring devices 8, each of the linearly movable monitoring devices 8 are preferably, but not necessarily, configured to monitor a respective characteristic of a furnace process in the furnace space 2.
The process monitoring 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 process monitoring unit 6 so that the hatch mechanism 12 is configured to open the furnace aperture 5 when the second moving means 11 of the process monitoring unit 6 moves said at least one linearly movable monitoring 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 process monitoring unit 6 moves said at least one linearly movable monitoring 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 process monitoring unit 6 may comprise a linearly movable monitoring device 8 comprising a monitoring apparatus 14 and an elongated rod 15 having a distal end to which the monitoring apparatus 14 is attached.
The process monitoring unit 6 may comprise a linearly movable monitoring device 8 comprising a monitoring apparatus 14 in the form of a thermometer configured to measure the temperature of the furnace melt 1 in the furnace space 2 and an elongated rod 15 having a distal end to which the monitoring apparatus 14 in the form of a thermometer is attached.
The process monitoring unit 6 may comprise a linearly movable monitoring device 8 comprising a monitoring apparatus 14 in the form of a sampling chamber configured to measure the liquidus temperature of the furnace melt 1 in the furnace space 2 and an elongated rod 15 having a distal end to which the monitoring apparatus 14 in the form of a sampling chamber is attached.
The process monitoring unit 6 may comprise a linearly movable monitoring device 8 comprising a monitoring apparatus 14 in the form of a sounding rod configured to measure the level of the furnace melt 1 in the furnace space 2 and an elongated rod 15 having a distal section forming the sounding rod.
The process monitoring unit 6 may comprise a linearly movable monitoring device 8 comprising a monitoring apparatus 14 in the form of a sounding rod configured to measure the thickness of as slag layer 13 of the furnace melt 1 in the furnace space 2 and/or the thickness of a molten metal containing layer 12 below the slag layer 13 of the furnace melt 1 in the furnace space 2 and an elongated rod 15 having distal section forming the sounding rod.
The process monitoring unit 6 may comprise a linearly movable monitoring device 8 comprising a monitoring apparatus 14 in the form of a camera configured to take pictures of the furnace melt 1 in the furnace space 2 and an elongated rod 15 having a distal end to which the monitoring apparatus 14 in the form of a camera is attached.
The process monitoring unit 6 may comprise a linearly movable monitoring device 8 comprising a dust sampling device configured to take dust samples from the furnace space 2.
The process monitoring unit 6 may comprise a linearly movable monitoring device 8 comprising a melt sampling device configured to take melt samples from the furnace melt 1 inside the furnace space 2.
The process monitoring unit 6 may comprise a linearly movable monitoring device 8 comprising a gas sampling device configured to take gas samples from the furnace space 2.
The process monitoring unit 6 may comprise a linearly movable injection device (not marked with a reference numeral) 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 process monitoring 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 monitoring device 8 through the aperture 5 in the furnace shell 3.
The process monitoring unit 6 may be functionally connected with a process control system of the metallurgical furnace 4.
Next the process monitoring unit 6 for use in the method or in the arrangement and some variants and embodiments of the process monitoring unit 6 will be described in greater detail.
The process monitoring unit 6 comprising mounting means 9 for mounting a frame 7 of the process monitoring unit 6 outside a furnace space 2 limited by a furnace shell 3 of a metallurgical furnace 4.
The process monitoring unit 6 comprising at least one linearly movable monitoring device 8 that is configured to move linearly with respect to the frame 7. The monitoring means comprising first moving means 10 for moving said at least one linearly movable monitoring device 8 with respect to the frame 7. Said at least one linearly movable monitoring 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 process monitoring unit 6 comprising two linearly movable monitoring devices 8, which are configured to move linearly with respect to the frame 7 and each of the linearly movable monitoring devices 8 are provided with first moving means 10 for moving the linearly movable monitoring device 8 with respect to the frame 7. If the process monitoring unit 6 comprising several linearly movable monitoring devices 8, such as two linearly movable monitoring devices 8, each of the linearly movable monitoring devices 8 are preferably, but not necessarily, configured to monitor a respective characteristic of a furnace process in the furnace space 2.
The monitoring means comprising 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 monitoring 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 frame 7 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 process monitoring unit 6 may comprise a linearly movable monitoring device 8 comprising a monitoring apparatus 14 and an elongated rod 15 having a distal end to which the monitoring apparatus 14 is attached.
The process monitoring unit 6 may comprise a linearly movable monitoring device 8 comprising a monitoring apparatus 14 in the form of a thermometer configured to measure the temperature of the furnace melt 1 in the furnace space 2 and an elongated rod 15 having a distal end to which the monitoring apparatus 14 in the form of a thermometer is attached.
The process monitoring unit 6 may comprise a linearly movable monitoring device 8 comprising a monitoring apparatus 14 in the form of a sampling chamber configured to measure the liquidus temperature of the furnace melt 1 in the furnace space 2 and an elongated rod 15 having a distal end to which the monitoring apparatus 14 in the form of a sampling chamber is attached.
The process monitoring unit 6 may comprise a linearly movable monitoring device 8 comprising a monitoring apparatus 14 in the form of a sounding rod configured to measure the level of the furnace melt 1 in the furnace space 2 and an elongated rod 15 having a distal section forming the sounding rod.
The process monitoring unit 6 may comprise a linearly movable monitoring device 8 comprising a monitoring apparatus 14 in the form of a sounding rod configured to measure the thickness of as slag layer 13 of the furnace melt 1 in the furnace space 2 and/or the thickness of a molten metal containing layer 12 below the slag layer 13 of the furnace melt 1 in the furnace space 2 and an elongated rod 15 having distal section forming the sounding rod.
The process monitoring unit 6 may comprise a linearly movable monitoring device 8 comprising a monitoring apparatus 14 in the form of a camera configured to take pictures of the furnace melt 1 in the furnace space 2 and an elongated rod 15 having a distal end to which the monitoring apparatus 14 in the form of a camera is attached.
The process monitoring unit 6 may comprise a linearly movable monitoring device 8 comprising a dust sampling device configured to take dust samples from the furnace space 2.
The process monitoring unit 6 may comprise a linearly movable monitoring device 8 comprising a melt sampling device configured to take melt samples from the furnace melt 1 inside the furnace space 2.
The process monitoring unit 6 may comprise a linearly movable monitoring device 8 comprising a gas sampling device configured to take gas samples from the furnace space 2.
The process monitoring unit 6 may comprise a linearly movable injection device (not marked with a reference numeral) 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 process monitoring 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 monitoring device 8 through the aperture 5 in the furnace shell 3.
The process monitoring unit 6 comprising 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 process monitoring unit 6 comprising at least one of an electric motor, a pneumatic cylinder and a linear motor for linearly moving said at least one linearly movable monitoring device 8 with respect to the frame 7.
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 (34)

1. Menetelmä metallurgisen uunin (4) uunikuoren (3) rajaaman uunin sisätilan (2) uuniprosessin ominaisuuksien seurantaa varten, jolloin menetelmä käsittää ensimmäisen aikaansaamisvaiheen uunikuoren läpi ulottuvan uuniaukon (5) aikaansaamiseksi, tunnettu siitä, että siinä on toinen aikaansaamisvaihe prosessinseurantayksikön (6) aikaansaamiseksi, joka käsittää rungon (7), ainakin yhden lineaarisesti liikutettavan seurantalaitteen (8), joka on konfiguroitu liikkumaan lineaarisesti runkoon (7) nähden, asennusvälineet (9) prosessinseurantayksikön (6) asentamiseen metallurgisen uunin (4) päälle uunin sisätilan (2) ulkopuolelle, ensimmäisen siirtovälineen (10) mainitun ainakin yhden lineaarisesti liikutettavan seurantalaitteen (8) liikuttamiseen lineaarisesti runkoon (7) nähden, ja toisen siirtovälineen (11) mainitun ainakin yhden lineaarisesti liikutettavan seurantalaitteen (8) liikuttamiseen ensimmäisen asennon ja toisen asennon välillä asennusvälineisiin (9) nähden, asennusvaihe prosessinseurantayksikön (6) asentamiseksi asennusvälineiden (9) avulla metallurgisen uunin (4) päälle uunin sisätilan (2) ulkopuolelle, ensimmäinen liikuttamisvaihe ensimmäisen siirtovälineen (10) liikuttamiseksi asennusvälineisiin (9) nähden toisen siirtovälineen (11) avulla ensimmäisestä asennosta toiseen asentoon, jolloin ensimmäinen siirtoväline (10) pystyy liikuttamaan mainitun ainakin yhden lineaarisesti liikutettavan seurantalaitteen (8) lineaarisesti uunikuoren (3) uuniaukon (5) läpi, toinen liikuttamisvaihe mainitun ainakin yhden lineaarisesti liikutettavan seurantalaitteen (8) liikuttamiseksi mainitussa toisessa asennossa olevan ensimmäisen siirtovälineen (10) avulla lineaarisesti uunikuoren (3) uuniaukon (5) läpi ainakin osittain uunin sisätilaan (2), ja seurantavaihe uunin sisätilan (2) uuniprosessin ominaisuuksien seurantaa varten, kolmas liikuttamisvaihe mainitun ainakin yhden lineaarisesti liikutettavan seurantalaitteen (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 seurantalaitetta (8) lineaarisesti uunikuoren (3) uuniaukon (5) läpi.
2. Patenttivaatimuksen 1 mukainen menetelmä, tunnettu siitä, että prosessinseurantayksikkö (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 prosessinseurantayksikköön (6) siten, että luukkumekanismi (12) on konfiguroitu avaamaan uuni aukko (5) prosessinseurantayksikön (6) toisen siirtovälineen (11) liikuttaessa ensimmäinen siirtoväline (10) toiseen asentoon ja siten, että luukkumekanismi (12) on konfiguroitu sulkemaan uuni aukko (5) prosessinseurantayksikön (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 toisessa aikaansaamisvaiheessa aikaansaatu prosessinseurantayksikkö (6) käsittää lineaarisesti liikutettavan seurantalaitteen (8), joka käsittää lämpömittarin tai optisen pyrometrin, joka on konfiguroitu mittaamaan uunin sisätilan (2) uunisulan (1) lämpötila, ja seurantavaihe käsittää lämpötilanmittausvaiheen uunin sisätilan (2) uunisulan (1) lämpötilan mittaamiseksi.
6. Jonkin patenttivaatimuksista 1-5 mukainen menetelmä, tunnettu siitä, että toisessa aikaansaamisvaiheessa aikaansaatu prosessinseurantayksikkö (6) käsittää lineaarisesti liikutettavan seurantalaitteen (8), joka käsittää näytekammion, joka on konfiguroitu mittaamaan uunin sisätilan (2) uunisulan (1) likviduslämpötila, ja seurantavaihe käsittää likviduslämpötilanmittausvaiheen uunin sisätilan (2) uunisulan (1) likviduslämpötilan mittaamiseksi.
7. Jonkin patenttivaatimuksista 1-6 mukainen menetelmä, tunnettu siitä, että toisessa aikaansaamisvaiheessa aikaansaatu prosessinseurantayksikkö (6) käsittää lineaarisesti liikutettavan seurantalaitteen (8), joka käsittää peilaustangon, joka on konfiguroitu mittaamaan uunin sisätilan (2) uunisulan (1) taso, ja seurantavaihe käsittää sulatasonmittausvaiheen uunin sisätilan (2) uunisulan (1) tason mittaamiseksi.
8. Jonkin patenttivaatimuksista 1-7 mukainen menetelmä, tunnettu siitä, että toisessa aikaansaamisvaiheessa aikaansaatu prosessinseurantayksikkö (6) käsittää lineaarisesti liikutettavan seurantalaitteen (8), joka käsittää kameran, joka on konfiguroitu ottamaan kuvia uunin sisätilassa (2), ja seurantavaihe käsittää kuvanottamisvaiheen kuvien ottamiseksi uunin sisätilassa (2).
9. Jonkin patenttivaatimuksista 1-8 mukainen menetelmä, tunnettu siitä, että toisessa aikaansaamisvaiheessa aikaansaatu prosessinseurantayksikkö (6) käsittää lineaarisesti liikutettavan seurantalaitteen (8), joka käsittää pölynäytteenottolaitteen, joka on konfiguroitu ottamaan pölynäytteitä uunin sisätilasta (2), ja seurantavaihe käsittää pölynäytteenottovaiheen pölynäytteiden ottamiseksi uunin sisätilasta (2).
10. Jonkin patenttivaatimuksista 1-9 mukainen menetelmä, tunnettu siitä, että toisessa aikaansaamisvaiheessa aikaansaatu prosessinseurantayksikkö (6) käsittää lineaarisesti liikutettavan seurantalaitteen (8), joka käsittää sulanäytteenottolaitteen, joka on konfiguroitu ottamaan sulanäytteitä uunin sisätilan (2) uunisulasta (1), ja seurantavaihe käsittää sulanäytteenottovaiheen sulanäytteiden ottamiseksi uunin sisätilan (2) uunisulasta (1).
11. Jonkin patenttivaatimuksista 1-10 mukainen menetelmä, tunnettu siitä, että toisessa aikaansaamisvaiheessa aikaansaatu prosessinseurantayksikkö (6) käsittää lineaarisesti liikutettavan seurantalaitteen (8), joka käsittää kaasunäytteenottolaitteen, joka on konfiguroitu ottamaan kaasunäytteitä uunin sisätilasta (2), ja seurantavaihe käsittää kaasunäytteenottovaiheen kaasunäytteiden ottamiseksi uunin sisätilan (2) kaasusta.
12. Jonkin patenttivaatimuksista 1-11 mukainen menetelmä, tunnettu siitä, että toisessa aikaansaamisvaiheessa aikaansaatu prosessinseurantayksikkö (6) käsittää lineaarisesti liikutettavan sisäänpuhalluslaitteen, joka on konfiguroitu ruiskuttamaan lisäaineita, kuten koksia, hiilijauhetta, rikasteseosta, silikaa, kalkkia, kalkkikiveä uunin sisätilassa (2) olevaan uunisulaan (1), ja siinä on sisäänpuhallusvaihe lisäaineiden ruiskuttamiseksi uunin sisätilassa (2) olevaan uunisulaan (1).
13. Järjestely metallurgisen uunin (4) uunikuoren (3) rajaaman uunin sisätilan (2) uuniprosessin ominaisuuksien seurantaa varten, jolloin järjestely käsittää uunikuoren (3) läpi ulottuvan uuniaukon (5), tunnettu siitä, että siinä on prosessinseurantayksikkö (6), jolla on uunikuoren (3) uunin sisätilan (2) ulkopuolelle metallurgisen uunin (4) päälle asennusvälineiden (9) avulla asennettu runko (7), prosessinseurantayksikkö (6) käsittää ainakin yhden lineaarisesti liikutettavan seurantalaitteen (8), joka on konfiguroida liikkumaan lineaarisesti runkoon (7) nähden, ja ensimmäisen siirtovälineen (10) mainitun ainakin yhden lineaarisesti liikutettavan seurantalaitteen (8) liikuttamiseen runkoon (7) nähden, ja seurantayksikkö käsittää toisen siirtovälineen (11) ensimmäisen siirtovälineen (10) liikuttamiseen asennusvälineisiin (9) nähden ensimmäisen asennon, jossa mainittu ainakin yksi lineaarisesti liikutettava seurantalaite (8) pystyy liikkumaan lineaarisesti uunikuoren (3) uuniaukon (5) läpi, ja toisen asennon välillä, jossa toisessa asennossa mainittu ainakin yksi lineaarisesti liikutettava seurantalaite (8) on kykenemätön liikkumaan lineaarisesti uunikuoren (3) uuniaukon (5) läpi.
14. Patenttivaatimuksen 13 mukainen järjestely, tunnettu siitä, että prosessinseurantayksikkö (6) on asennettu ainakin yhden päälle uunikuoren (3) uunin katosta tai uunikuoren (3) uunin katon yläpuolella olevasta uunin teräsrakenteesta.
15. Patenttivaatimuksen 13 tai 14 mukainen järjestely, tunnettu siitä, että järjestely käsittää luukkumekanismin (12) uuniaukon (5) sulkemiseen, ja siitä että luukkumekanismi (12) on toiminnallisesti liitetty prosessinseurantayksikköön (6) siten, että luukkumekanismi (12) on konfiguroida avaamaan uuni aukko (5) liikuttaessa prosessinseurantayksikön (6) toinen siirtoväline (11) ensimmäisen siirtovälineen (10) kanssa toiseen asentoon ja siten, että luukkumekanismi (12) on konfiguroitu sulkemaan uuni aukko (5) liikuttaessa prosessinseurantayksikön (6) toinen siirtoväline (11) ensimmäisen siirtovälineen (10) kanssa pois toisesta asennosta.
16. Jonkin patenttivaatimuksista 13 - 15 mukainen järjestely, tunnettu siitä, että toinen siirtoväline (11) on konfiguroitu liikuttamaan ensimmäinen siirtoväline (10) ensimmäisen asennon ja toisen asennon välillä rotaation avulla.
17. Jonkin patenttivaatimuksista 13 - 16 mukainen järjestely, tunnettu siitä, että prosessinseurantayksikkö (6) käsittää lineaarisesti liikutettavan seurantalaitteen (8), joka käsittää ainakin toisen lämpömittarista tai optisesta pyrometrista, joka on konfiguroitu mittaamaan uunin sisätilan (2) uunisulan (1) lämpötila.
18. Jonkin patenttivaatimuksista 13 - 17 mukainen järjestely, tunnettu siitä, että prosessinseurantayksikkö (6) käsittää lineaarisesti liikutettavan seurantalaitteen (8), joka käsittää näytekammion, joka on konfiguroitu mittaamaan uunin sisätilan (2) uunisulan (1) likviduslämpötila.
19. .Tonkin patenttivaatimuksista 13 - 18 mukainen järjestely, tunnettu siitä, että prosessinseurantayksikkö (6) käsittää lineaarisesti liikutettavan seurantalaitteen (8), joka käsittää peilaustangon, joka on konfiguroitu mittaamaan uunin sisätilan (2) uunisulan (1) taso.
20. .Tonkin patenttivaatimuksista 13 - 19 mukainen järjestely, tunnettu siitä, että prosessinseurantayksikkö (6) käsittää lineaarisesti liikutettavan seurantalaitteen (8), joka käsittää kameran, joka on konfiguroitu ottamaan kuvia uunin sisätilassa (2).
21. Tonkin patenttivaatimuksista 13 - 20 mukainen järjestely, tunnettu siitä, että prosessinseurantayksikkö (6) käsittää lineaarisesti liikutettavan seurantalaitteen (8), joka käsittää pölynäytteenottolaitteen, joka on konfiguroitu ottamaan pölynäytteitä uunin sisätilasta (2).
22. Tonkin patenttivaatimuksista 13 - 21 mukainen järjestely, tunnettu siitä, että prosessinseurantayksikkö (6) käsittää lineaarisesti liikutettavan seurantalaitteen (8), joka käsittää sulanäytteenottolaitteen, joka on konfiguroitu ottamaan sulanäytteitä uunin sisätilan (2) uunisulasta (1).
23. Tonkin patenttivaatimuksista 13 - 22 mukainen järjestely, tunnettu siitä, että prosessinseurantayksikkö (6) käsittää lineaarisesti liikutettavan seurantalaitteen (8), joka käsittää kaasunäytteenottolaitteen, joka on konfiguroitu ottamaan kaasunäytteitä uunin sisätilasta (2).
24. Tonkin patenttivaatimuksista 13 - 23 mukainen järjestely, tunnettu siitä, että prosessinseurantayksikkö (6) käsittää lineaarisesti liikutettavan sisäänpuhalluslaitteen, joka on konfiguroitu ruiskuttamaan lisäaineita, kuten koksia, hiilijauhetta, rikasteseosta, silikaa, kalkkia, kalkkikiveä uunin sisätilassa (2) olevaan uunisulaan (1).
25. Prosessinseurantayksikkö (6) käytettäväksi jonkin patenttivaatimuksista 1-12 mukaisessa menetelmässä tai jonkin patenttivaatimuksista 13 - 24 mukaisessa järjestelyssä, tunnettu siitä, että siinä on asennusvälineet (9) prosessinseurantayksikön (6) rungon (7) asentamiseen metallurgisen uunin (4) uunikuoren (3) rajaaman uunin sisätilan (2) ulkopuolelle, siitä, että prosessinseurantayksikkö (6) käsittää ainakin yhden lineaarisesti liikutettavan seurantalaitteen (8), joka on konfiguroitu liikkumaan lineaarisesti runkoon (7) nähden ja ensimmäisen siirtovälineen (10) mainitun ainakin yhden lineaarisesti liikutettavan seurantalaitteen (8) liikuttamiseen runkoon (7) nähden, ja siitä, että prosessinseurantayksikkö (6) käsittää toisen siirtovälineen (11) ensimmäisen siirtovälineen (10) liikuttamiseen ensimmäisen asennon ja toisen asennon välillä asennusvälineisiin (9) nähden.
26. Patenttivaatimuksen 25 mukainen prosessinseurantayksikkö (6), tunnettu siitä, että toinen siirtoväline (11) on konfiguroitu liikuttamaan ensimmäinen siirtoväline (10) ensimmäisen asennon ja toisen asennon välillä rotaation avulla.
27. Patenttivaatimuksen 25 tai 26 mukainen prosessinseurantayksikkö (6), tunnettu siitä, että prosessinseurantayksikkö (6) käsittää lineaarisesti liikutettavan seurantalaitteen (8), joka käsittää lämpömittarin, joka on konfiguroitu mittaamaan uunin sisätilan (2) uunisulan (1) lämpötila.
28. Jonkin patenttivaatimuksista 25 - 27 mukainen prosessinseurantayksikkö (6), tunnettu siitä, että prosessinseurantayksikkö (6) käsittää lineaarisesti liikutettavan seurantalaitteen (8), joka käsittää näytekammion, joka on konfiguroitu mittaamaan uunin sisätilan (2) uunisulan (1) likviduslämpötila.
29. Jonkin patenttivaatimuksista 25 - 28 mukainen prosessinseurantayksikkö (6), tunnettu siitä, että prosessinseurantayksikkö (6) käsittää lineaarisesti liikutettavan seurantalaitteen (8), joka käsittää peilaustangon, joka on konfiguroitu mittaamaan uunin sisätilan (2) uunisulan (1) taso.
30. Jonkin patenttivaatimuksista 25 - 29 mukainen prosessinseurantayksikkö (6), tunnettu siitä, että prosessinseurantayksikkö (6) käsittää lineaarisesti liikutettavan seurantalaitteen (8), joka käsittää kameran, joka on konfiguroitu ottamaan kuvia uunin sisätilassa (2).
31. Jonkin patenttivaatimuksista 25 - 30 mukainen prosessinseurantayksikkö (6), tunnettu siitä, että prosessinseurantayksikkö (6) käsittää lineaarisesti liikutettavan seurantalaitteen (8), joka käsittää pölynäytteenottolaitteen, joka on konfiguroitu ottamaan pölynäytteitä uunin sisätilasta (2) .
32. Jonkin patenttivaatimuksista 25-31 mukainen prosessinseurantayksikkö (6), tunnettu siitä, että prosessinseurantayksikkö (6) käsittää lineaarisesti liikutettavan seurantalaitteen (8), joka käsittää sulanäytteenottolaitteen, joka on konfiguroitu ottamaan sulanäytteitä uunin sisätilan (2) uunisulasta (1).
33. .Tonkin patenttivaatimuksista 25 - 32 mukainen prosessinseurantayksikkö (6), tunnettu siitä, että prosessinseurantayksikkö (6) käsittää lineaarisesti liikutettavan seurantalaitteen (8), joka käsittää kaasunäytteenottolaitteen, joka on konfiguroitu ottamaan kaasunäytteitä uunin sisätilasta (2).
34. .Tonkin patenttivaatimuksista 25 - 33 mukainen prosessinseurantayksikkö (6), tunnettu siitä, että prosessinseurantayksikkö (6) käsittää lineaarisesti liikutettavan sisäänpuhallusyksikön, joka on konfiguroitu ruiskuttamaan lisäaineita, kuten koksia, hiilijauhetta, rikasteseosta, silikaa, kalkkia, kalkkikiveä uunin sisätilassa (2) olevaan uunisulaan (1).
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EP16775756.6A EP3350527B1 (en) 2015-09-15 2016-09-14 Method and arrangement for monitoring characteristics of a furnace process in a furnace space
PL16775756T PL3350527T3 (pl) 2015-09-15 2016-09-14 Sposób i układ do monitorowania charakterystyk procesu piecowego w przestrzeni pieca
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US20180245851A1 (en) 2018-08-30
ES2743976T3 (es) 2020-02-21
CN107949760B (zh) 2019-12-06
WO2017046453A1 (en) 2017-03-23
CN107949760A (zh) 2018-04-20
EA201890461A1 (ru) 2018-08-31
CL2018000588A1 (es) 2018-06-22
EP3350527B1 (en) 2019-06-19
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