EP3279596B1 - Support d'instruments et procédé de refroidissement d'instruments sans liquide et système de surveillance intérieure sans liquide de systèmes haute température - Google Patents

Support d'instruments et procédé de refroidissement d'instruments sans liquide et système de surveillance intérieure sans liquide de systèmes haute température Download PDF

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Publication number
EP3279596B1
EP3279596B1 EP17184838.5A EP17184838A EP3279596B1 EP 3279596 B1 EP3279596 B1 EP 3279596B1 EP 17184838 A EP17184838 A EP 17184838A EP 3279596 B1 EP3279596 B1 EP 3279596B1
Authority
EP
European Patent Office
Prior art keywords
instrument
gas
cooling
temperature
cooling gas
Prior art date
Legal status (The legal status 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 status listed.)
Not-in-force
Application number
EP17184838.5A
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German (de)
English (en)
Other versions
EP3279596A1 (fr
Inventor
Norbert Pfitzner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Franke Industrieofen-Service GmbH
Original Assignee
Franke Industrieofen-Service GmbH
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
Application filed by Franke Industrieofen-Service GmbH filed Critical Franke Industrieofen-Service GmbH
Publication of EP3279596A1 publication Critical patent/EP3279596A1/fr
Application granted granted Critical
Publication of EP3279596B1 publication Critical patent/EP3279596B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • F27D21/0014—Devices for monitoring temperature
    • 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
    • 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
    • F27D2019/0003—Monitoring the temperature or a characteristic of the charge and using it as a controlling value
    • 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
    • F27D2021/026—Observation or illuminating devices using a video installation

Definitions

  • the invention relates to an instrument holder and a method for liquid-free instrument cooling, in particular for use in the high temperature range, as well as a system or an arrangement for liquid-free interior monitoring of high-temperature systems.
  • US6069652 discloses an apparatus for monitoring industrial processes, and more particularly relates to a video camera and associated therewith a thermal protection device for viewing the interior of a heated chamber.
  • the instrument holder according to the invention for liquid-free instrument cooling comprises a protective housing which is at least double-walled, an inlet opening for cooling gas, at least one flow channel for cooling gas and at least one outlet opening for cooling gas. Furthermore, the instrument holder according to the invention comprises an instrument housing, which can be arranged in a flow channel for cooling gas, with an inlet opening for a flushing gas, a flushing gas flow channel, at least one outlet opening for flushing gas, an opening for an instrument and fastening means for fastening an instrument in the instrument housing.
  • a flow channel for cooling gas Through the flow channel for a cooling gas, it is possible to dissipate the heat input when used in the high-temperature system with a flow of cooling gas, without a liquid cooling is required.
  • the instrument housing in which instruments, such as cameras or sensors for monitoring and monitoring of the interior of high-temperature systems can be attached, arranged in the flow channel for cooling gas, so that a cooling gas flow can flow around the instrument housing, thereby displacing ambient heat.
  • high-temperature systems are to be understood to mean furnaces, such as glass melting furnaces or aluminum melting furnaces, burners or thermal process rooms, whose internal temperatures or operating temperatures are above 900 ° C. This is not to exclude that the instrument holder according to the invention can be used advantageously even at lower temperatures for cooling instruments for monitoring and observation of the interior of high-temperature systems.
  • instrument is in the context of the invention for a variety of devices that can be used to monitor or monitor the interior of high-temperature systems and thereby need to be cooled.
  • the protective housing may be formed with an outer tube and at least one inner tube.
  • the outer and the inner tube may be arranged so that between the outer tube and the at least one inner tube, a flow channel for cooling gas is formed.
  • the double-walled protective housing is formed by two tubes arranged inside one another, wherein the outer tube can project beyond an end face of the at least one inner tube at the outlet opening for cooling gas. As a result, the outer tube forms an extended shield against the ambient heat when used in the high-temperature system.
  • the protective housing is formed with a plurality of inner tubes, each having smaller outer diameter and therefore can be arranged so that between each of them a flow channel for cooling gas is formed. It may further be provided that an inner tube projects beyond the end face of an inner tube with a smaller outer diameter in order to achieve a protective effect against the ambient heat.
  • the shape of the protective housing is not limited to a round shape. Other shapes may also be provided which are adapted, for example, to an opening in a wall of a high-temperature system.
  • the instrument housing is further arranged inside the protective housing, so that the protective housing projects beyond the instrument housing, without the view opening for an instrument is covered.
  • the position of the instrument housing in the protective housing can be changed to change the field of view for an instrument for observing the interior.
  • a change in the position of the instrument housing can also be advantageous to protect the instrument from excessive thermal stress.
  • the instrument case can be positioned deeper in the protective case.
  • a flow channel for cooling gas is formed between the instrument housing and the protective housing, so that the instrument housing can be completely surrounded by a flow of cooling gas.
  • an inner wall of the protective housing has at least one opening corresponding to a flow channel for cooling gas.
  • Such an opening formed in the inner tube of the protective housing ensures a supply of cooling gas for the further flow channel formed between the instrument housing and the protective housing.
  • a plurality of flow channels for cooling gas can thereby be provided without requiring further inlet openings for cooling gas. This also has a constructive advantage, since the instrument holder can be made less bulky.
  • the outlet opening for cooling gas, the outlet opening for purge gas and the viewing opening for an instrument are arranged on a high-temperature side of the instrument holder.
  • all outlet openings for cooling gas and purge gas are arranged in the direction of a arranged in the instrument housing instrument, so that the gases for cooling and flushing are used in the high-temperature system in the interior of the high-temperature system.
  • the inside outgoing gas is used to allow an improved view in the direction of view for an instrument.
  • the outlet opening for cooling gas may be arranged on a side of the instrument holder facing away from the high temperature.
  • the flow channel for cooling gas may be formed so that spent cooling gas is discharged to the environment on a low temperature side or provided for further use.
  • the outlet openings for purge gas can be arranged around the viewing opening for an instrument for monitoring the interior.
  • the inlet opening for cooling gas, the inlet opening for purge gas and at least one connection for signaling or electrical connection with an instrument on a side remote from the high temperature side of the instrument holder can be arranged.
  • the protective housing is expediently formed from a temperature-resistant material. Ceramics, composite materials or metal alloys which have a high melting point are conceivable. Stainless steel alloys have proved to be particularly advantageous. That's how it works Protective housing preferably be formed of a stainless steel alloy. Particularly preferably, the protective housing may be formed of the stainless steel alloy of grade 1.4301.
  • the instrument housing may also be formed of a temperature-resistant stainless steel alloy.
  • parts of the instrument housing may be formed of aluminum.
  • parts of the attachment means for mounting the instrument in the instrument housing are made of aluminum.
  • the instrument housing has a guide for instruments, in particular a camera guide, with which a camera can be moved within the instrument housing.
  • the instrument holder may have a fastening device.
  • the fastening device may comprise a guide in which the protective housing is guided displaceably. Through the guide, the penetration depth of the protective housing can be influenced in the high-temperature system.
  • the protective housing can be slid so that the penetration depth into the interior of a high-temperature system can be varied in order to minimize the heat input due to thermal radiation.
  • the fastening device may be designed so that it can be screwed to the wall of a high-temperature system.
  • thermometers or temperature sensors can be arranged at different positions in or on the instrument housing.
  • the data provided by the thermometers or temperature sensors can be used to control the gas flows for cooling and / or flushing.
  • the invention further comprises a system for liquid-free interior monitoring of high-temperature systems with an instrument holder according to the preceding description.
  • the system of the invention includes an instrument held by the instrument holder, a controller for processing signals from the instrument, and a supply means for providing a gas flow to the instrument holder.
  • An instrument is expediently to be understood as a device or a measuring device which can detect signals of physical and / or chemical processes.
  • a camera, a pyrometer or a combination of camera and pyrometer can be used as an instrument.
  • the supply device may have a pressure regulator, with which the pressure of the gas flow is preferably adjustable in the range of 0.1 bar to 8.5 bar. Furthermore, it can be provided that the supply device has a flow meter, with which the volume flow of the gas stream can be determined. Conveniently, the pressure regulator and the flow meter can be used for an appropriate adjustment of the required for cooling the camera and the instrument holder volume flow of a gas. Furthermore, provision can be made for the supply device to be set up for automatic control and / or regulation of the gas flow, the supply device accessing, for example, temperature data provided by temperature sensors of the instrument holder.
  • the supply device can provide a cooling gas flow and a purge gas flow to the instrument holder, wherein the cooling gas flow and the purge gas flow are independently controllable.
  • the supply device can be connected to a gas source or have a device which provides a gas volume, such as bottled gas.
  • a gas source such as bottled gas.
  • ambient air is used as the gas source, so that the supply device can be connected to an existing compressed air network or compressed air is provided via a compressor, which may be part of the supply device. It is also conceivable that required for cooling and / or flushing gas flows are provided with a fan.
  • the supply device can have multiple connections for gas sources. Also conceivable is a receiving device for gas cylinders in a housing of the supply device.
  • the supply device can have a liquid separator or water separator, with which liquid / water can be separated from the gases used for cooling and / or rinsing.
  • control device for processing camera signals and the supply device for providing a gas flow can be arranged in a common housing.
  • heat-resistant hose lines can be used, which are fastened with screwed-on screw connections.
  • the invention comprises a method for liquid-free instrument cooling with a previously described instrument holder or a system for liquid-free interior monitoring of high-temperature systems, wherein for cooling an instrument held by the instrument held a volume flow for a cooling gas and / or a flow rate for a purge gas in response to a temperature the instrument, a temperature of the instrument holder and / or an ambient temperature of the instrument holder is provided to the instrument holder.
  • the volume flow for a cooling gas and / or for a purge gas in dependence on the temperature of the instrument, a temperature of the instrument holder and / or an ambient temperature of the instrument holder is controlled.
  • temperature data provided by the temperature sensors of the instrument holder can be taken into account.
  • the cooling gas and / or purge gas air can be used as the cooling gas and / or purge gas air.
  • an inert gas such as nitrogen or a noble gas, is used as the cooling gas and / or purge gas.
  • a cooling gas pressure and / or a purge gas pressure in the range of 0.1 bar to 8.5 bar can be adjusted.
  • a purge gas pressure of 1 bar and a cooling gas pressure of at least 0.5 bar are set.
  • a total volume flow for cooling gas and purge gas of at least 0.6 m 3 / min can be set. Usually this is Temperature of the supplied cooling gas 20 ° C to 30 ° C.
  • a permanent cooling of an instrument held by the instrument holder instrument can be achieved to a temperature not exceeding 55 ° C.
  • FIG. 1 shows a schematic perspective sectional view of an embodiment of an instrument holder 1 with fastening device 11 for use in a high-temperature system.
  • the right side A of the instrument holder 1 is the high-temperature side, which is referred to as the high-temperature side.
  • the side B facing away from the high-temperature side may also be referred to as a low-temperature side.
  • the instrument holder 1 has a reference numeral 2 characterized double-walled protective housing, which is formed with an outer stainless steel tube 2.1 and an inner stainless steel tube 2.2.
  • the protective housing 2 On the ambient temperature side B, the protective housing 2 has an inlet opening 3 for cooling gas.
  • a flow channel 4.1 is formed, which has an outlet opening for cooling gas 5.1 on the high-temperature side.
  • the protective housing 2 has a perforation 3.1 corresponding to the flow channel 4.1 in the stainless steel tube 2.2.
  • the opening 3.1 is formed coaxially to the central axis of the inlet opening 3, so that introduced into the inlet opening 3 cooling gas can pass through the opening 3.1 in the marked with the reference numeral 4.2 flow channel.
  • the flow channel 4.2 has an outlet opening 5.2 for cooling gas, through which a cooling gas can be discharged into the high-temperature region into the interior of a high-temperature system. Consequently, a cooling gas introduced into the inlet opening 3 can flow through the flow channels 4.1 and 4.2 and thereby discharge a heat input acting on the protective housing 2.
  • the outer stainless steel tube 2.1 longer than the inner stainless steel tube 2.2 is formed so that the outer stainless steel tube 2.1 the front side of the inner stainless steel tube 2.2 projects beyond the outlet 5.1.
  • Reference numeral 6 denotes an instrument housing which is arranged in the flow channel 4.2 of the protective housing 2.
  • the instrument case 6 has an inlet port 7 for a purge gas, a purge gas flow passage 8, and a plurality of outlet ports (not shown) arranged in a circular shape formed in the end surface of the instrument case 6 on the high-temperature side.
  • a look-out opening 9 for an instrument (not shown) for observing and monitoring the interior of a high-temperature system is formed.
  • the instrument housing 6 fastening means for attachment of an instrument, which in the present example is an aluminum guide bar 10 intended for mounting a camera (not shown).
  • a connection option for signaling and / or electrical connection of a camera.
  • such a connection possibility is provided on the low-temperature side at one end of the instrument housing 6.
  • the instrument case 6 is movably disposed in the protective case 2, so that the position of the instrument case 6 can be varied.
  • the position of the instrument housing 6 can be changed accordingly at particularly high temperatures in order to better exploit the protective shield effect of the protective housing 2.
  • the reference numeral 11 denotes a fixing device for fixing the instrument holder 1 to a wall opening of a high-temperature system (not shown).
  • the fastening device is a steel plate with a guide 12 for holding and guiding the protective housing 2.
  • the guide 12 allows a change of the insertion position of the protective housing 2, so that the positioning of the instrument holder 1 in the wall of a high-temperature system can be adjusted can.
  • the fastening device 11 holes 11.1, by means of which the fastening device 11 by means of screws or bolts to a wall opening of a high-temperature system (not shown) can be attached.
  • FIG. 2 shows a further sectional view of an embodiment of an instrument holder 1 for use in a high-temperature system. Unlike the in FIG. 1 As shown, the instrument holder 1 is shown without the fixing device 11.
  • the shown instrument holder 1 has in the present example a total length of 453 mm and a diameter of 60 mm (measured on the outer diameter of the protective housing 2).
  • the outer stainless steel tube 2.1 of the protective housing 2 is 310 mm long and has a wall thickness of 1.5 mm, so that results because of the outer diameter of 60 mm, an inner diameter of 57 mm.
  • the inlet opening for cooling gas 3 is arranged at a distance of 29.35 mm from the right edge of the instrument holder 1 and has an opening diameter of 18 mm.
  • the inner stainless steel tube 2.2 is formed with 300 mm shorter than the outer stainless steel tube 2.1 and has an outer diameter of 45 mm with a wall thickness of 1.5 mm. Furthermore, the inner stainless steel tube 2.2 two openings 3.1, which correspond to the inlet opening 3 in terms of their position and dimensions.
  • the instrument housing 6 arranged in the flow channel 4.1 is 315 mm long and has a diameter of 22 mm.
  • the left side end face of the instrument case 6, which faces the inside of the high temperature system, has a thickness of 2 mm.
  • the diameter of the formed in the end face of the instrument housing 6 view opening 9 is 6 mm.
  • the reduction in cross-section of the flow channel for purge gas 8 caused by the view opening 9 contributes to turbulence of an outflowing purge gas, resulting in better cooling.
  • twelve outlet openings 8.1 for purge gas are formed in a circle around the view opening 9.
  • Each outlet opening 8.1 has a diameter of 1 mm.
  • the flushing openings 8.1 prevent fouling of the end face of the instrument housing 6 or the view opening 9 formed therein.
  • the purge gas connection 7 is arranged, which has an opening diameter of 11 mm. Not shown are further openings for the arrangement of sensors for temperature monitoring of the instrument holder. 1
  • an aluminum tube 10 is provided, which is inserted into the instrument housing 6.
  • the aluminum tube 10 is 271 mm long and has a diameter of 18 mm.
  • a metric fine thread M15 x 1 is cut to a depth of 10 mm.
  • a metric thread M15 x 1.5 is cut to a depth of 12 mm.
  • the aluminum tube 10 has two elongated holes 10.1 and 10.2.
  • the relatively compact design of the instrument holder 1 and the possibility of changing the penetration depth into the high-temperature region of a high-temperature system has the advantage that the heat input caused by thermal radiation into the instrument holder 1 can be reduced.
  • the penetration depth is always adjusted so that the protective housing 2 is located in a wall region of a refractory lining of a high-temperature system. This allows liquid-free cooling of instruments with a cooling gas flow that can be provided with ambient air.
  • An embodiment of the system according to the invention for monitoring the interior of high-temperature systems comprises an instrument holder 1 according to the FIG. 1 , Furthermore, the system comprises a camera, which is held by the instrument holder 1 and a control device for processing camera signals. Expediently, the control device can also have a display unit for the visualization of camera signals. For signal-technical and / or electrical connection of the control device with the camera temperature-resistant connection cable can be used. According to one embodiment, a wireless transmission of camera signals via radio can also be provided. As a camera, for example, a digital camera or a thermal imaging camera can be used.
  • the system for liquid-free interior monitoring of high-temperature systems comprises a supply device for providing a gas flow to the instrument holder 1.
  • the gas source is ambient air, wherein the supply device may also have connections for external gas sources.
  • the supply device to pressure regulator and flow meter, which can be used to control the volume flow of at least two gas streams independently of each other or regulate.
  • the volume flows for cooling gas or purge gas can be regulated as a function of temperature data provided by temperature sensors of the instrument holder 1.
  • the volume flow can be increased if a temperature increase is detected at the temperature sensors of the instrument holder 1.
  • Liquid separators prevent the flow of gas from entering the interior of a high-temperature system.
  • the supply device and the control device for processing camera signals are preferably accommodated in a common housing.
  • a permanent instrument cooling of the instrument can be achieved at an ambient temperature in the high temperature range up to 1700 ° C, a permanent instrument cooling of the instrument to a temperature not exceeding 100 ° C.
  • a corresponding cooling is achieved at a purge gas pressure of at least 1 bar and a cooling gas pressure of at least 0.5 bar, wherein the instantaneous flow must be at least 0.6 m 3 / min.
  • Ambient air can be used as the gas source.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Studio Devices (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Radiation Pyrometers (AREA)

Claims (15)

  1. Support d'instruments (1) pour le refroidissement sans liquide d'instruments, se composant de :
    un boîtier de protection (2) à paroi au moins double, avec
    - un orifice d'entrée pour le gaz de refroidissement (3)
    - au moins un canal d'écoulement pour le gaz de refroidissement (4.1/4.2), et
    - au moins un orifice de sortie pour le gaz de refroidissement (5.1/5.2) et un boîtier d'instruments (6) agençable dans un canal d'écoulement du gaz de refroidissement (4.1/4.2), avec
    - un orifice d'entrée (7) pour le gaz de purge (7)
    - un canal d'écoulement pour le gaz de purge (8)
    - au moins un orifice de sortie pour le gaz de purge (8.1)
    - un orifice de vision (9) de l'instrument et
    - un moyen de fixation (10) pour maintenir un instrument dans le boîtier d'instruments (6), sur lequel l'orifice de sortie du gaz de refroidissement (5.1/5.2), l'orifice de sortie du gaz de purge (8.1) et l'orifice de vision (9) de l'instrument sont disposés sur un côté (A), orienté vers la température élevée, du support d'instrument (1) en direction d'un instrument insérable dans le boîtier d'instruments.
  2. Support d'instruments (1) selon la revendication 1, caractérisé en ce que le boîtier de protection (2) est formé d'un tuyau externe (2.1) et d'au moins un tuyau interne (2.2), qui sont disposés de manière à former un canal d'écoulement pour le gaz de refroidissement (4.1) entre le tuyau externe (2.1) et le tuyau interne (2.2).
  3. Support d'instruments (1) selon la revendication 2, caractérisé en ce que le tuyau externe (2.1) dépasse la partie frontale du tuyau interne (au moins un) (2.2) au niveau de l'orifice de sortie du gaz de refroidissement (5.1).
  4. Support d'instruments (1) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le boîtier de protection (2) dépasse le boîtier d'instruments (6).
  5. Support d'instruments (1) selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le boîtier d'instruments (6) est disposé de façon à former un canal d'écoulement du gaz de refroidissement (4.2) entre le boîtier d'instruments (6) et le boîtier de protection (2).
  6. Support d'instruments (1) selon l'une quelconque des revendications 1 à 5, caractérisé en ce qu'une paroi interne du boîtier de protection (2) présente au moins un évidement (3.1) correspondant avec un canal d'écoulement du gaz de refroidissement (4.1).
  7. Support d'instruments (1) selon l'une quelconque des revendications 1 à 6, caractérisé en ce que l'orifice d'entrée du gaz de refroidissement (3), l'orifice d'entrée du gaz de purge (7) et au moins un raccordement pour un instrument sont disposés sur un côté (B), orienté à l'opposé de la température élevée, du support d'instruments (2).
  8. Système pour le contrôle interne sans liquide des dispositifs à haute température, avec un support d'instruments selon les revendications 1 à 7, comprenant un instrument maintenu par le support d'instruments (1), un dispositif de contrôle pour le traitement des signaux de l'instrument et un dispositif d'approvisionnement pour fournir un flux de gaz au niveau du support d'instruments (1).
  9. Système selon la revendication 8, caractérisé en ce que le dispositif d'approvisionnement présente un débitmètre qui permet de déterminer le courant volumétrique du flux de gaz.
  10. Système selon l'une quelconque des revendications 8 ou 9, caractérisé en ce que le dispositif d'approvisionnement fournit un flux de gaz de refroidissement et un flux de gaz de purge au niveau du support d'instruments (1), les flux de gaz de refroidissement et de gaz de purge étant réglables indépendamment l'un de l'autre.
  11. Procédé de refroidissement d'instruments sans liquide avec un support d'instruments (1) selon les revendications 1 à 7, un courant volumique de gaz de refroidissement et/ou de gaz de purge étant fourni au niveau du support d'instruments (1) pour refroidir l'instrument maintenu par le support d'instruments (1) en fonction d'une température d'instrument, d'une température du support d'instruments (1) et/ou d'une température ambiante du support d'instruments (1) et les gaz de refroidissement et de purge étant dérivés dans la direction du regard de l'instrument, à l'intérieur du système à haute température, dans le cas d'une utilisation sur un système à haute température.
  12. Procédé selon la revendication 11, caractérisé en ce que le courant volumique du gaz de refroidissement et/ou du gaz de purge est réglé en fonction d'une température de l'instrument, d'une température du support d'instruments (1) et/ou d'une température ambiante autour du support d'instruments (1).
  13. Procédé selon l'une quelconque des revendications 11 ou 12, caractérisé en ce que de l'air et/ou du gaz inerte sont utilisés en tant que gaz de refroidissement et/ou gaz de purge.
  14. Procédé selon l'une quelconque des revendications 11 à 13, caractérisé en ce qu'une pression de gaz de refroidissement et/ou une pression de gaz de purge est configurée dans une plage allant de 0,1 bar à 8,5 bar.
  15. Procédé selon l'une quelconque des revendications 11 à 14, caractérisé en ce qu'un courant volumique total de 0,6 m3/min au minimum est configuré pour le gaz de refroidissement et le gaz de purge.
EP17184838.5A 2016-08-04 2017-08-04 Support d'instruments et procédé de refroidissement d'instruments sans liquide et système de surveillance intérieure sans liquide de systèmes haute température Not-in-force EP3279596B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016114409.6A DE102016114409A1 (de) 2016-08-04 2016-08-04 Instrumentenhalterung und Verfahren zur flüssigkeitsfreien Instrumentenkühlung und System zur flüssigkeitsfreien Innenraumüberwachung von Hochtemperatursystemen

Publications (2)

Publication Number Publication Date
EP3279596A1 EP3279596A1 (fr) 2018-02-07
EP3279596B1 true EP3279596B1 (fr) 2019-03-20

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DE (1) DE102016114409A1 (fr)
ES (1) ES2731838T3 (fr)

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