EP2488809A1 - Four à haute température et procédé pour transformer des matières organiques en gaz de synthèse - Google Patents

Four à haute température et procédé pour transformer des matières organiques en gaz de synthèse

Info

Publication number
EP2488809A1
EP2488809A1 EP09748062A EP09748062A EP2488809A1 EP 2488809 A1 EP2488809 A1 EP 2488809A1 EP 09748062 A EP09748062 A EP 09748062A EP 09748062 A EP09748062 A EP 09748062A EP 2488809 A1 EP2488809 A1 EP 2488809A1
Authority
EP
European Patent Office
Prior art keywords
temperature
zone
resistance heater
interior
furnace tube
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.)
Withdrawn
Application number
EP09748062A
Other languages
German (de)
English (en)
Inventor
Peter Jeney
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.)
PYROMEX HOLDING AG
Original Assignee
PYROMEX HOLDING AG
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.)
Filing date
Publication date
Application filed by PYROMEX HOLDING AG filed Critical PYROMEX HOLDING AG
Publication of EP2488809A1 publication Critical patent/EP2488809A1/fr
Withdrawn legal-status Critical Current

Links

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
    • F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • F27B7/10—Rotary-drum furnaces, i.e. horizontal or slightly inclined internally heated, e.g. by means of passages in the wall
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/005—Rotary drum or kiln gasifiers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
    • F23G5/0276—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage using direct heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/20—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having rotating or oscillating drums
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/10—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of field or garden waste or biomasses
    • 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
    • F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
    • F27B7/2016—Arrangements of preheating devices for the charge
    • 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
    • F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
    • F27B7/34—Arrangements of heating 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
    • F27D11/02—Ohmic resistance heating
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2200/00—Details of gasification apparatus
    • C10J2200/15—Details of feeding means
    • C10J2200/158—Screws
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0913—Carbonaceous raw material
    • C10J2300/0916—Biomass
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0913—Carbonaceous raw material
    • C10J2300/0946—Waste, e.g. MSW, tires, glass, tar sand, peat, paper, lignite, oil shale
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0953—Gasifying agents
    • C10J2300/0973—Water
    • C10J2300/0976—Water as steam
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/12—Heating the gasifier
    • C10J2300/1269—Heating the gasifier by radiating device, e.g. radiant tubes
    • C10J2300/1276—Heating the gasifier by radiating device, e.g. radiant tubes by electricity, e.g. resistor heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2201/00—Pretreatment
    • F23G2201/30—Pyrolysing
    • F23G2201/304—Burning pyrosolids
    • 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
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock
    • Y02P20/145—Feedstock the feedstock being materials of biological origin

Definitions

  • the invention relates to high temperature furnaces heated by means of resistance heating and to methods of using such furnaces to convert organic materials to synthesis gas.
  • it relates to tubular furnaces suitable for processing carbonaceous or hydrocarbonaceous starting materials, such as waste materials,
  • Residues, biomass and the like are suitable.
  • ovens that are heated with induction coils.
  • An example is known from International Patent Application Publication No. WO09010086A1.
  • Another example is known from the European patent EP 1495276 Bl. It has been found that problems can arise with the reliability of such induction furnaces when very high temperatures occur over a longer period or when very aggressive materials are implemented in the oven. For example, oxygen leaking from the material to be reacted may attack the furnace wall. There are therefore approaches to prevent oxygen from ever entering the interior of the furnace.
  • a corresponding example is from the international patent application with the Publication number WO09010100A1 known.
  • sulfur-containing and chlorine-containing substances are common
  • ingredients of organic materials e.g. if it is a residue or the like.
  • synthesis gas may contain a proportion of methane gas.
  • a high-temperature device which is designed for converting a starting material, comprises a supply device and a rotationally symmetrical furnace tube with an axis of rotation.
  • the organic raw material can be supplied on an input side in an interior of the furnace tube.
  • the interior of the furnace tube In the interior of the
  • Furnace tube conveying elements are arranged to promote the starting material in a rotational movement of the furnace tube about the axis of rotation in the direction of an output side of the furnace tube.
  • the high-temperature device comprises an elongated resistance heater, which from the output side of
  • Stove tube forth in the interior of the stovepipe protrudes and having at least one hot zone and a less hot zone. From the entrance side
  • Resistance heating is designed according to the invention so that a temperature in the interior of the furnace tube in the region of the hot zone can be achieved, which is above 1200 ° C.
  • the inventive method is characterized in that a conversion of organic starting materials to a gaseous product in a high-temperature device takes place.
  • This reaction proceeds stepwise in the interior of the furnace tube of the high-temperature device. It is introduced the starting material on an input side in the interior.
  • the Stove tube is rotated about an axis of rotation to promote the starting material in the interior of the input side to an output side can.
  • An elongated resistance heater is operated, which is located in the interior, so that, viewed from the input side, a hotter zone adjusts to a less hot zone.
  • the feedstock while being conveyed through the interior and during the reaction, undergoes a 1st temperature zone with an operating temperature between 800 ° C and 1000 ° C followed by a 2nd temperature zone with a temperature range of 800 ° C to 1000 ° C
  • Fig. 1 is a schematic sectional view of a preferred embodiment of a high-temperature device according to the invention
  • Fig. 2 is a schematic sectional view of a particularly preferred
  • 3A is a schematic view of a preferred embodiment of a resistance heater according to the invention with storage
  • FIG. 3B is a perspective view of the resistance heater of FIG. 3A; FIG.
  • Fig. 4 is a schematic sectional view of another preferred embodiment
  • Embodiment of a high-temperature device according to the invention.
  • hydrocarbon-containing starting materials such as waste materials
  • At least one gas G is produced during this processing or reaction.
  • Synthesis gas which comprises carbon monoxide CO and hydrogen H 2 is preferably produced.
  • the synthesis gas may comprise a proportion of methane gas, depending on the process.
  • the high-temperature device 10 according to the invention is designed specifically for reacting an organic starting material M.
  • High-temperature device 10 comprises a feed device 30 and a rotationally symmetrical furnace tube 20 with a rotation axis R. Die
  • Rotation axis R is typically arranged horizontally or slightly obliquely.
  • the angle of inclination can be up to 45 degrees in the case of an oblique arrangement
  • the output side A is higher than the input zone E.
  • the horizontal orientation of the axis of rotation R is shown in Fig. 1.
  • the feed device 30 preferably comprises a screw conveyor 32 which rotates in a conveyor tube 34.
  • the screw conveyor 32 has an axis of rotation which may coincide with the axis of rotation R.
  • the axis of rotation of the screw conveyor 32 can also be parallel to Rotation axis R be shifted, or the rotation axis may be inclined with respect to the rotation axis R.
  • On the conveyor pipe 34 may be arranged for example above a flange 31 or an opening for introducing the starting material M.
  • the starting material M falls in the example shown from above on the
  • the delivery pipe 34 opens here into the interior I of the furnace tube 20, as shown.
  • conveying elements 22 are arranged to promote the starting material M in performing a rotational movement of the furnace tube 20 about the axis of rotation R in the direction of the exit side A of the furnace tube 20.
  • a seated in the furnace tube 20 Preferably, as shown in Fig. 1, a seated
  • Helix winding 22 on the inward side of the wall 21 of the furnace tube 20 is shown.
  • a portion of such a screw winding 22 is shown. It can be arranged in the furnace tube 20 but also a plurality of screw 22.
  • the starting material M is thus conveyed in Fig. 1 from right to left. During this promotion to the left, that experiences
  • Starting material M is a conversion to a gas G. Although the implementation already begins near the input zone E, the following are the
  • the high-temperature device 10 comprises an elongated
  • the resistance heater 23 which protrudes from the output side A of the furnace tube 20 forth in the interior I of the furnace tube 20.
  • the resistance heater 23 has at least one hot zone Hl and a less hot zone H2.
  • the hot zone Hl is characterized by a dense, oblique hatching of the resistance heater 23 and the less hot zone H2 can be recognized by a less dense vertical hatching.
  • the hot zone Hl follows the less hot zone H2, ie the input zone E goes into the less hot zone H2, which merges into the hot zone Hl.
  • the resistance heater 23 is designed so that a (operating) temperature in the interior I of the furnace tube 20 in the region of the hot zone Hl can be achieved, which is above 1200 ° C is. Particularly preferred is a temperature here in the range of 1300 ° C ( ⁇ 10%).
  • the resistance heater 23 has, in a preferred embodiment, two parallel legs, which, as shown in Fig. 1, can lie one above the other. It is also possible the parallel legs
  • the resistance heater 23 may also have only one or even three legs. If two or three legs are present, they run parallel to each other without touching. The legs are first in the output-side area, i. on the output side A, merged mechanically and electrically.
  • the high-temperature device 10 has in a preferred
  • the silicon carbide (SiC) comprises.
  • it is granular silicon carbide which has been sintered or melted and cast in tube or rod form.
  • Silicon carbide is particularly well suited as a resistance material, as it is able to achieve temperatures that are significantly above 1300 ° C by current flow. In addition, it has been proven that silicon carbide is hardly or not at all attacked by aggressive materials which may be produced in the interior I.
  • Starting material to achieve M is preferably a Resistor heater 23 used, the two or more heating zones Hl, H2 includes.
  • the resistance heater 23 with two heating zones Hl, H2 is shown.
  • Very particularly preferred is an embodiment of
  • Resistance heater 23 which has a so-called cold zone K at the output end (in Fig. 1) shown in white.
  • This cold zone K makes it possible to guide the resistance heater 23 through an end wall of the tube 20 to the outside and there to feed from the outside with electricity.
  • Resistance heater 23 has in this preferred embodiment, two parallel legs, which, as shown in Fig. 1, can lie one above the other. But the legs can e.g. also next to each other. The legs are in the output-side area, i. on the output side A, merged mechanically and electrically. In the area of the entrance zone E are the
  • the resistance heater 23 is preferably mounted in a radial bearing 28 so that
  • the radial bearing 28 shown in FIG. 3A supports the bar or rods of the resistance heater 23 with respect to a non-rotating end wall 35.
  • a central end journal 36 in a bearing (eg in a bearing bush 38) of a disc-shaped plate 37 can be seated on the resistance heater 23.
  • This form of storage is designed so that the resistance heater 23 together with end 36th Temperature-induced compensatory movements in the longitudinal direction can perform.
  • a ceramic sponge is used in the region of the bearing bush 38 in order to provide for an elastically soft bearing.
  • the disc-shaped plate 37 may be fixed, for example with two axially extending pin 39 on an end wall 35 which does not rotate.
  • FIG. 4 shows a schematic sectional view of a further preferred embodiment of a high-temperature device according to the invention.
  • Fig. 4 is a disc-shaped plate 37 with an end pin 36 a
  • Resistive heater 23 can be seen, which is mounted axially movable in a bearing bush 38.
  • the resistance heater 23 in the region of the hot zone Hl has a higher resistance than in the region of the less hot zone H2. This can preferably be achieved by the leg (s) of the
  • Resistance heater 23 are provided in the less hot zone H2 with a coating that reduces the effective resistance.
  • the resistance heater 23 is preferably mounted at least one point in the interior I of the furnace tube 20 in a radial bearing 28 so that compensating movements of the resistance heater 23 parallel to the rotation axis R (i.e., in the axial direction) are possible. Such compensatory movements can arise, for example, due to thermal expansion.
  • the radial bearing 28 is preferably arranged in the region of the less hot zone H2 and / or in the cold zone K.
  • the radial bearing 28 shown supports the rod or rods of the resistance heater 23 with respect to the inner wall of the furnace tube 20.
  • a bearing is used, which is supported in the region of the input zone E with respect to the front end of the furnace tube 20.
  • These bearings include an expansion element so that the rods of the
  • Resistance heating 23 to extend over the front wall
  • a resistance heater 23 made of silicon carbide is relatively brittle and therefore can be easily damaged.
  • aggressive substances eg, intermediates formed from the starting material A
  • attack the silicon carbide due to its graininess or porosity may attack the silicon carbide due to its graininess or porosity. It has therefore proved particularly useful according to the invention
  • Resistance heating 23 at least in the hot zone Hl to coat with a glassy ceramic material Particularly suitable are diamond-like ceramic materials that vaporize or can be deposited from a gas.
  • Fig. 2 is an embodiment of a resistance heater 23 with two
  • the stovepipe 20 may in a preferred embodiment, at least in the hot zone Hl inside and / or outside with a glassy ceramic material (inner coating 40 called) to be coated (see Figs. 2 and 4).
  • a glassy ceramic material inner coating 40 called
  • the same ceramic material 43 comes as
  • Inner coating 40 is used, which is also used to coat the
  • a water or steam supply 33 is arranged in the region of the input zone E, to be able to supply water or steam W in the interior I of the furnace tube 20.
  • the embodiment of FIG. 1 has two water or steam supply lines with nozzles (here as a whole as water or
  • the high-temperature device 10 is preferably designed so that in the region of the output side A, preferably in the region of a gas outlet 25, a further water or steam supply 29 is arranged to be able to supply water or steam W can.
  • a nickel grid (not shown in FIG. 1) may also be disposed in this area to supply methane gas stabilize or to increase the methane gas content in the synthesis gas G, which may arise on the output side of the device 10.
  • a material outlet 26 may be provided, e.g. into a catchment area 27 to receive solids ejected from the furnace tube 20.
  • oxygen can optionally also be supplied (not shown in FIG. 1) in order to initiate a (post) oxidation.
  • a so-called gas catch gas catcher
  • the furnace tube 20 is rotatably mounted in this gas-catch, wherein the material outlet 26 in the direction of fall and the gas outlet 25 are directed upward.
  • the high-temperature device 10 is preferably designed so that set in operation three temperature zones, which line up from the input side E to the output side A as follows:
  • the operating temperature in the 1st temperature zone is preferably around 850 ° C ( ⁇ 10%).
  • Operating temperature in the 3rd temperature zone is preferably around
  • the inventive method is designed specifically for converting a solid organic starting material M to a gaseous product G in a high-temperature device 10.
  • the reaction takes place in stages in the interior I of the furnace tube 20 of the high-temperature device 10.
  • the stovepipe 20 is rotated at least temporarily (preferably continuously) about the axis of rotation R, to promote the starting material M in the interior I time or stepwise or continuously from the input zone E to the output side A.
  • an elongated resistance heater 23 is operated (i.e., powered) in the interior I, so that when viewed from the input zone E, a hotter zone Hl adjusts to a less hot zone H2.
  • the feedstock M passes through a first temperature zone during operation through the interior I and during the reaction at an operating temperature between 800 ° C and 1000 ° C, which is followed by a second temperature zone with an operating temperature above 1200 ° C and a third Temperature zone with an operating temperature that is approx. 10% to 40% below the operating temperature of the 2nd temperature zone.
  • the method, or the device 10 are preferably operated so that adjusts an equilibrium state or an equilibrium phase of CO and H 2 0 in the 1st temperature zone.
  • the operating temperature in the 1st temperature zone is preferably around 850 ° C ( ⁇ 10%). If necessary, water or steam W can be introduced into the 1st temperature zone.
  • the method, or the device 10 are preferably operated so that it is at the 2nd temperature zone to a
  • Ultra-high temperature zone the operating temperature is in the range of about 1300 ° C ( ⁇ 10%). This leads to a complete purification of gaseous intermediates from the starting material at
  • the method, or the device 10 are preferably operated so that it is the third temperature zone is a stabilization zone whose operating temperature about 10% to 40% below the Operating temperature of the 2nd temperature zone is.
  • the third temperature zone is a stabilization zone whose operating temperature about 10% to 40% below the Operating temperature of the 2nd temperature zone is.
  • water or steam W can be supplied in the region of the outlet side A.
  • Fig. 1 by way of example, a corresponding water or steam supply 29 is shown.
  • a synthesis gas is emitted as a gaseous product G in the region of the output side A, which comprises essentially carbon monoxide (CO) and hydrogen (H 2 ).
  • CO carbon monoxide
  • H 2 hydrogen
  • the tube 20 rests in a second tube (called outer tube 36) having a larger diameter, as shown in FIG.
  • outer tube 36 The intermediate space between the inner tube 20 and the outer tube 41 is preferably provided with an insulation 42. This improves the heat insulation to the outside. If an inert gas is used in the outer tube 36, then the environment of the device 10 is also better protected against leaking gas.
  • the device 10 is long-term stable and reliable.
  • the energy required to heat the furnace 20 by means of the resistance heater 23 is significantly lower than in the previous induction heaters. Besides, the local ones

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Furnace Details (AREA)

Abstract

L'invention concerne un dispositif à haute température (10) destiné à convertir une matière de départ (M), comprenant un dispositif d'alimentation (30) et un tube de four (20) à symétrie de rotation avec un axe de rotation (R). Le dispositif d'alimentation (30) amène la matière de départ (M) dans un espace intérieur (I) du tube de four (20) et des éléments de transport (2) sont disposés dans l'espace intérieur (I) du tube de four (20) pour transporter la matière de départ (M) en direction d'un côté sortie (A) du tube de four (20). Le dispositif (10) comprend un chauffage par résistance allongé (23) qui fait saillie à l'intérieur (I) du tube de four (20) et qui comporte au moins une zone chaude (H1) et une zone moins chaude (H2), la zone chaude (H1) suivant la zone moins chaude (H2) vue à partir du côté entrée (E), et le chauffage par résistance (23) étant conçu de telle sorte qu'une température qui se situe au-dessus de 1200 °C puisse être atteinte dans l'espace intérieur (I) du tube de four (20) dans la région de la zone chaude (H1).
EP09748062A 2009-10-15 2009-10-15 Four à haute température et procédé pour transformer des matières organiques en gaz de synthèse Withdrawn EP2488809A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2009/063481 WO2011044943A1 (fr) 2009-10-15 2009-10-15 Four à haute température et procédé pour transformer des matières organiques en gaz de synthèse

Publications (1)

Publication Number Publication Date
EP2488809A1 true EP2488809A1 (fr) 2012-08-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP09748062A Withdrawn EP2488809A1 (fr) 2009-10-15 2009-10-15 Four à haute température et procédé pour transformer des matières organiques en gaz de synthèse

Country Status (4)

Country Link
US (1) US20120217442A1 (fr)
EP (1) EP2488809A1 (fr)
CA (1) CA2777060A1 (fr)
WO (1) WO2011044943A1 (fr)

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US9862899B2 (en) * 2008-05-12 2018-01-09 Simple Approach Systems, Inc. Gas distribution arrangement for rotary reactor
KR20090127796A (ko) * 2008-06-09 2009-12-14 굴람후세인 레흐맛 아미랄리 회전 킬른용 가스분배기
CN102419086B (zh) * 2011-12-20 2013-06-26 湖南省中晟热能科技有限公司 一种微波电混合加热高温回转窑
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