WO2017148562A1 - Dispositif et procédé de traitement thermique d'un matériau - Google Patents

Dispositif et procédé de traitement thermique d'un matériau Download PDF

Info

Publication number
WO2017148562A1
WO2017148562A1 PCT/EP2017/000096 EP2017000096W WO2017148562A1 WO 2017148562 A1 WO2017148562 A1 WO 2017148562A1 EP 2017000096 W EP2017000096 W EP 2017000096W WO 2017148562 A1 WO2017148562 A1 WO 2017148562A1
Authority
WO
WIPO (PCT)
Prior art keywords
reaction space
resonator
insert
hot gas
combustion chamber
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.)
Ceased
Application number
PCT/EP2017/000096
Other languages
German (de)
English (en)
Inventor
Horst BÜCHNER
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO2017148562A1 publication Critical patent/WO2017148562A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C15/00—Apparatus in which combustion takes place in pulses influenced by acoustic resonance in a gas mass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/10—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing sonic or ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24—Stationary reactors without moving elements inside
    • B01J19/2415—Tubular reactors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00121—Controlling the temperature by direct heating or cooling
    • B01J2219/00123—Controlling the temperature by direct heating or cooling adding a temperature modifying medium to the reactants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00157—Controlling the temperature by means of a burner
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/21—Burners specially adapted for a particular use
    • F23D2900/21007—Burners specially adapted for a particular use for producing soot, e.g. nanoparticle soot

Definitions

  • the invention relates to a device for the thermal treatment of a raw material, with a combustion chamber in which burns at least one burner at least one periodic-unsteady, oscillating flame to produce a pulsating oscillating exhaust gas stream which flows through a subsequent reaction chamber to the combustion chamber, and a corresponding Method.
  • a thermal treatment is understood in particular a thermal material treatment or a thermal material synthesis, wherein it may also be a raw material mixture in the raw material.
  • the raw material or the raw material mixture can be present both in solid and in liquid or in gaseous or vaporous form.
  • CONFIRMATION COPY Products for a fixed burner setting have constant values over time.
  • combustion chamber oscillations which are referred to in the literature as combustion chamber oscillations, self-excited combustion instabilities or thermoacoustic oscillations, which are characterized by the fact that the initially steady (ie temporally constant) combustion process suddenly reaches a stability limit
  • the heat release rate (s) of the flame (s) and thus the thermal firing performance of the incinerator as well as the exhaust gas flow will also go into and out of time-periodic oscillatory combustion process, the time function of which is close to sinusoidal the combustion chamber and the static pressure in the combustion chamber itself periodic-unsteady, ie swinging / l, 2 /.
  • the reactors / 6, 7, 8, 9 / described in the prior art typically consist of a combustion chamber in which the reaction conversion of the fuel used to release the chemically bound therein heat in a flame or flames, and then in the flow direction thereafter a reaction space It is known to add the raw material to be treated into this reaction space so that thermal treatment of the material takes place in the reaction space In some special embodiments, the raw material is already introduced into the combustion chamber.
  • the oscillation comprises the entire flowing hot gas column in the reactor, ie the exhaust gas in the combustion chamber as well as the hot gas in the reaction space up to the final filter, the mass of hot gases to be displaced by the periodic-transient combustion process, ie in periodic motion, is very high large. Because at the same time, however, only a very small part of the thermal energy from the combustion process is converted into mechanical vibration energy of the (entire) hot gas flow, the occurring amplitudes of the hot gas oscillation in the large volumes of the combustion chamber and the reaction chamber are extremely low and are further attenuated by the addition of the (vibrational energy) raw material stream.
  • the object of the present invention is to overcome these limitations. This object is achieved in that in the reaction space a flowed through by the exhaust gas flow, in the cross-sectional area opposite the reaction space reduced use is provided, which has a length in the flow or axial direction, which is shorter than a total length of the reaction space.
  • a device thus has a periodically unsteady, oscillating flame in the combustion chamber in front in the flow direction, which generates a pulsating, likewise oscillating, hot gas or exhaust gas flow.
  • the used in the reaction space, reduced in cross-section can now with appropriate tuning of its length, the volume and the temperature of the introduced into the reaction chamber hot gas and the raw material to be treated in this by the vibration of the static pressure and the exhaust gas flow and by radiated sound waves of the periodic -instationary combustion process in the combustion chamber at the hot gas flowing therethrough stimulate a resonance-enhanced vibration, so that the abandoned raw material (educt) is here subjected to the desired thermal material treatment.
  • the hot gas which contains the exhaust gas flow and oscillates, only resonantly excited in the section of the insert.
  • the invention is based on the following finding:
  • the resulting oscillation frequency of the prior art reactor with self-excited combustion instability thus does not correspond to such a resonant frequency of a component as e.g.
  • the material treatment is typically carried out in the reaction space, which is often referred to as "resonance tube.”
  • the achievable material treatment time in these prior art reactors therefore depends on the flow rate of the hot gas flow, which is determined by the firing capacity and the air ratio Increase of the material treatment time by an extension of the reaction space would simultaneously lower the oscillation frequency of the oscillation of the hot gas flow and also the recoverable amplitudes of the Hot gas oscillation by the increased total mass of the gas column now to be displaced in Schwin ⁇ tion further reduce in the reaction chamber.
  • oscillation frequency and amplitude and the material treatment time depend on each other coupled to the reactor geometry, in particular of the length of the reaction space in the flow direction.
  • An extension of the residence time is thus in the prior art only at the expense of reduced frequencies and amplitudes of the hot gas oscillation and thus at the expense of reduced heat and mass transfer rates of the hot gas to the raw material to be treated and thus at the expense of the advantages of a thermal material treatment in the oscillating hot gas flow.
  • the insert provided in the reaction space can be variable in its flow-through length.
  • combustion chamber is variable in its geometry.
  • the resonance within the insert depends on the speed of sound, which in turn is temperature-dependent.
  • the temperature is among others by the Combustion temperature, the possible admixture of cooling air, the amount and the temperature of the raw material / educt, etc. affected.
  • the first resonator thus has a burner with the associated supply connections for fuel and combustion air, a flame and a combustion chamber, which acts as a resonator, which in terms of their geometry and the resulting vibration behavior of the gas column contained in it (the exhaust gas of the combustion process the flame) in the frequency range between 50 and 1000 Hz frequency tunable.
  • the device is suitable for the targeted generation of self-excited combustion instabilities in the reactor part burner-flame combustion chamber, ie in the first resonator.
  • the oscillating, ie periodically unsteady hot gas from the oscillating combustion process of the flame in the combustion chamber, ie from the first resonator, the reaction chamber is supplied , In this then takes place the Eduktzugabe and thus also the thermal material treatment, the latter in particular in the integrated into the reaction chamber second resonator.
  • the second resonator can also be adapted to the frequency of the first resonator by altering its length throughflow - or rather to the frequency of the resonator emerging from the first resonator and exciting the second resonator as a sound wave Vibration.
  • the open at its two ends insert, so the second resonator has as V2 wave resonator its fundamental frequency resonance at a given speed of sound (and thus at a given material treatment temperature) if and only half a wavelength of the sound wave or vibration in the use, ie fits the second resonator.
  • This forms a standing half-wave in this 1 /2-wave resonator, which is used for material treatment.
  • the length of the second resonator discussed here thus correlates with the temperature which prevails in it for the material treatment, since this influences the speed of sound in use, which in turn is of relevance with respect to the oscillation desired in use.
  • the duration of the material treatment in the reaction space or in the second resonator is independent of the existing there oscillation frequency of the hot gas flow, as long as the middle Throughput or the average flow rate is kept constant, since the length of the second resonator (ie, the length of the "resonance tube") does not have to change so that there are different material treatment frequencies.
  • this resonator is, for example, a 1 / 2- wave resonator with, for example, a fundamental frequency of 100 Hz for a given hot gas or material treatment temperature, then frequencies of 200 Hz, 300 Hz, 400 Hz, etc. would be targeted for the thermal treatment of material excitable.
  • the material properties achieved of the treated products at the same material treatment temperature depend on the product of treatment frequency and treatment duration. That is, at a treatment frequency of 100 Hz and a material treatment time of 400 milliseconds, the same result is achieved in terms of product properties and product quality as at 400 Hz and 100 milliseconds.
  • One reason for this is presumed to be that the particles of a raw material to be treated experience the same number of oscillation cycles in the reaction space during their treatment in both cases, especially during use.
  • the type of the resonator (Helmholtz resonator, 1/4-wave resonator V2- wave resonator), which is used as the first resonator and / or as a second resonator 2, generally not is of importance, as long as it is ensured that associated with the generation of self-excited combustion instabilities in the first resonator (combustion chamber) vibration frequencies of the static pressure and the Flow rate of the resulting from the transient combustion process, oscillating hot gas flow are suitable to resonantly excite the second resonator in the reaction chamber for the thermal treatment of material.
  • the insert proposed in the reaction space can be changed in its axial position within the reaction space and thus parallel to its axial extension.
  • a thermal material treatment in a vibrating-fire reactor for example when using a liquid raw material (for example raw material solution or aqueous suspension with solids content) consists of the following individual steps:
  • Atomization of the liquid raw material e.g. with the help of a spray nozzle
  • Such an optimizing position of the insert can easily be determined in preliminary tests by repeating the material treatment in differently positioned use within the reactor space on the basis of the measured material properties of product samples manufactured in this way.
  • the material after passing through the thermal treatment in the second resonator with a reduced diameter over a certain length with increased flow rate resulting from mass constancy at accordingly high treatment frequencies and short residence time (typically below 200 milliseconds, preferably below 100 milliseconds) in the downstream reactor section with again increased reactor diameter and therefore markedly reduced flow speeds undergoes a thermal aftertreatment, which can be used for complete degradation of unwanted residual components of the raw material mixture / raw material solution.
  • after-treatment periods in the reaction space downstream of the second resonator are greater than 2 seconds, preferably greater than 3 seconds.
  • the insert or resonator displaceable in its axial position in the reaction space can also be designed such that it is adjustable in terms of its resonance frequency, in particular by the change or adjustment of its axial length, that is to say tuned in terms of frequency.
  • finely divided particles with an average particle size in the range from 5 nm to 100 ⁇ m can be produced with the device according to the invention and the associated method.
  • finely divided particles for example in the form of carbides, nitrides, simple oxides, complex mixed oxides, doped oxides, mixtures of oxides or coated particles can be produced in a targeted manner.
  • a so-called precursor mixture is produced from educts, which contains at least all constituents of the solid particles to be formed.
  • the precursor mixture formed from the raw material components can be used both as a solid, for example in the form of a finely divided Powder or powder mixture, in the form of a solution, a suspension, a dispersion or a gel, as a gas or vapor.
  • liquid mixtures of raw materials such as solutions, dispersions or emulsions result in particularly spherical particles.
  • the precursor mixture can be conditioned so that a specific particle shape or size is established in the thermal process, for example a particularly narrow particle size distribution.
  • Known methods such as co-precipitation or hydroxide precipitation can be used for the wet-chemical intermediate step.
  • the mentioned forms of the precursor mixture are introduced into the hot gas stream of the device according to the invention, for example by spraying, introduction or injection.
  • the nature of the precursor task such as the type, diameter and spray pattern of a multi-fluid nozzle used for this purpose, the direction of feed (e.g., direction of injection), and feed location, influence the process control and the resulting thermal treatment regime and are thus important control factors for the resulting particle properties.
  • the forming particles are transported with the hot gas stream through the reactor and thermally treated in this hot gas stream.
  • the properties of the hot gas stream thus significantly influence the thermal treatment and thus the properties of the forming particles.
  • the device according to the invention offers a multitude of possibilities for the targeted setting of process parameters for the inventive thermal production and / or treatment of these finely divided particles.
  • the temperature profile, the maximum process temperature, the residence time of the gas flow and the residence time of the particles in the gas flow can be adjusted in a manner known to the person skilled in the art.
  • a special feature of the device according to the invention is that the hot gas stream can be set in vibration. In oscillating or pulsating hot gas flows results in a significantly increased heat transfer due to the high flow turbulence. The heat transfer significantly influences the reaction and phase-forming mechanisms during the transformation or phase formation. By choosing the frequency and amplitude of the pulsating gas flow, the reaction conditions can be adapted exactly to the requirements of the material to be produced.
  • the gas space of the thermal material treatment i. to excite the second resonator by an external, periodic excitation for resonating.
  • the rate of heat transfer significantly defines the heating rate of the precursors or particles and thus the actual temperature profile.
  • Higher amplitudes and higher frequencies of the pulsating gas stream accelerate the reaction and phase-forming mechanisms.
  • a higher degree of reaction conversion of the precursor mixture can be achieved with a comparable residence time, or the activity can be increased in, for example, catalytic materials.
  • the inventive possibility for significantly higher amplitudes and higher frequencies than conventional Systems thus expands the possibilities for process control, expands the possible spectrum of substances to be treated, disseminates the adjustable particle properties and simplifies process control.
  • the frequency and amplitudes of the oscillating hot gas flow have different effects on partial reaction steps such as drying, heating, (time) different phase reactions, cooling, etc. and thus on the particle formation and / or the thermal particle treatment.
  • the reaction section or the reaction sections in which, for example, the desired influence by high amplitudes and frequencies is particularly strong can be selected specifically by the axial positioning of the second, a certain axial extent resonator within the reactor and the location of the precursor mixture is selected accordingly.
  • at least partial coating of particles takes place by means of a suitable precursor combination of a prepared precursor mixture in the form of a dispersion.
  • the solid phase in the case of suspensions or the inner phase in the emulsion at least includes all components which are necessary for the formation of the particles to be coated.
  • the liquid phase in the suspension or the outer phase in the emulsion contain at least all coating components.
  • the finely divided particles produced in the pulsating hot gas stream according to the invention are finally separated from the hot gas stream with a suitable separator.
  • the hot gas is optionally before it enters the separator on a per cooled according to the type of separator required temperature.
  • the separation of the particles formed from the hot gas stream at temperatures above 300 ° C, preferably above 500 ° C, more preferably above 600 ° C, for example by a cyclone or a hot gas reactor. This can be prevented, for example, that highly reactive particles hot gas components, such as water record.
  • the hot gas can be cooled in this embodiment, if necessary after the filter.
  • Figure 1 is a schematic diagram of a device for the thermal treatment of a raw material with a combustion chamber, a reaction space and an integrated in the reaction space insert, wherein the combustion chamber is variable in geometry;
  • FIG. 2 shows the schematic diagram of a device according to FIG. 1 with a different variability of the combustion chamber geometry.
  • Fig. 1 shows the schematic diagram of a reactor for the thermal treatment of a raw material within a periodically-unsteady oscillating hot gas stream.
  • This hot gas stream is generated by a flame 1 on a burner 2, for which purpose this fuel 3 and combustion air 4 are supplied.
  • the flame 1 burns in a combustion chamber. 5
  • Fuel is understood to be fuel gases such as natural gas, methane, hydrogen or liquid fuels such as alcohol, etc.
  • combustion air is generally understood to mean an oxidizing agent which provides the oxygen required for combustion. In addition to air, this includes, for example, pure oxygen or oxygen-enriched air, etc.
  • the variability of the mass flow of fuel / air mixture is particularly preferred in the case of premix combustion or a change in the mass flow of the combustion air, in particular in the case of a diffusion combustion.
  • the combustion is operated so that it has a periodic-transient, oscillatory operating state.
  • the frequency of the pulsating combustion is influenced, for example, by the geometry of the combustion chamber and by the process temperature.
  • the pulsating hot gas flow ultimately generated with the pulsating flame flows through a coupling tube 6 into a reaction space 7 whose wall 8 is gas- and heat-proof.
  • the heat-sealing can be ensured in particular by a separate insulation.
  • exhaust stream 9 is on the one hand to be treated raw material 10 abandoned as well as cooling air 11.
  • This forms a hot gas stream 12 which flows through the reaction chamber 7 and passed at the end by a hot gas filter or cyclone, not shown here is, in which the raw material 10 thermally treated in the reaction chamber 7 is separated from the hot gas stream.
  • this insert 13 is formed as a single tube and has a flow-through axial length 15, which has only a fraction of the total length of the reaction chamber 7.
  • the Insert 13 substantially gas-tightly connected to the wall 8 of the reaction space, so that the hot gas flow 12 flows completely through the radially inward internal free cross section of the insert 13, but not laterally past this.
  • the insert 13 is adjustable in its axial length 15, so that there is the possibility to adjust it in its length such that it is tuned to the oscillation frequency of the periodically unsteady combustion process in the combustion chamber 5 so that the excited by this periodically unsteady hot gas flow 12 is excited resonantly as it passes through the insert 13 and thus passes in the field of this insert 13 in a foreign or forced excitation vibration.
  • the resonances of the excitations which are caused by resonance, can go up to a factor of 10.
  • the resonant frequency within the insert 13 is dependent, in particular, on the temperature of the hot gas stream 12, since this temperature influences the speed of sound relevant for resonance production. Furthermore, the resonance frequency is also dependent on the axial length 15 of the insert 13.
  • the insert 13 is referred to below as the second resonator.
  • the combustion chamber 5 is adjustable by the presence of a displaceable bottom 16.
  • the assembly described so far is also referred to as the first resonator.
  • a further manipulated variable can be adjusted by way of which a true resonance within the second resonator, thus of the insert 13, in the reaction space 7 can be adjusted.
  • the first resonator with the combustion chamber 5 should be designed as a 1 /4-wave resonator with a variable length between 0.5 m and 1.0 m. Due to the adjustable burner / flame parameters (fuel gas mass flow, air mass flow, air ratio, preheating temperature of the air, etc.), the flame 1 is stable oscillating burn in a temperature range of the flame 1 and the exhaust stream 9, which is generated by the flame 1, between 800 ° C and 1,800 ° C. Depending on the selected combustion temperature, sound velocities of between about 630 m / s and 830 m / s are established in the first resonator.
  • oscillation frequencies occur when self-excited combustion oscillations occur in the first resonator between approx. 160 Hz and approx. 420 Hz.
  • the lowest temperature of about 800 ° C and the maximum length of the first resonator of 1.0 m give, for example, the lowest frequency of the oscillating quarter-wave resonator of approximately 160 Hz. with this, the subsequent second resonator can be excited in the reaction chamber to resonance.
  • a thermal material treatment in the temperature range between 200 ° C and 800 ° C is to be made possible under resonant excitation of the second resonator by means of the adjustable combustion oscillation in the first resonator .
  • the sound velocities in the second resonator are in the temperature range desired for the material treatment 430 m / s to 630 m / s.
  • the resonance fundamental frequency would be approximately 160 Hz at the highest material treatment temperature of 800 ° C. and would therefore be just at the lowest, adjustable oscillation frequency in the first resonator at 800 ° C. Flame / exhaust gas temperature resonantly excitable. If, however, a material treatment temperature in the second resonator of 200 ° C. is desired, then the resonant frequency of the second resonator would be approximately 105 Hz at this temperature and a through-flow length 15 of the second resonator. The second resonator would therefore no longer be through the first resonator with its minimum Oscillation frequency at 800 ° C of 160 Hz resonant to the fundamental vibration excitable.
  • the length 15 of the insert 13 as a second resonator would have to be reduced to approximately 1.34 m in order to achieve a resonant frequency as a fundamental of approximately 160 Hz in the second resonator at 200 ° C. material treatment temperature first resonator at its minimum frequency of 160 Hz could be excited resonantly.
  • the insert 13 can be positioned in its axial position within the reaction chamber 7 according to the arrows 17 as needed.
  • the hot gas flow 12 conveyed raw material particles are thus first applied in the area before the insert 13 with the hot gas flow 12 with the present in the reaction chamber 7 frequency and amplitude, then within the free cross section 14 over the length 15 of the insert 13 from there due to the constant mass at least flowing at elevated speed hot gas flow and then back in the again because of the mass constancy at a slower speed flowing hot gas flow in no longer limited in cross-section region of the reaction chamber.
  • the flow through the insert 13 are brought into resonance not only with a fundamental but possibly also with a harmonic, which correspondingly increases the intensity of the thermal treatment effected in the region of the insert 13.
  • the raw material consists of a mixture of raw materials, in which it makes sense to have different intensities of the thermal treatment in time, this can thus be adjusted accordingly by the appropriate axial position of the insert 13 is selected within the reaction chamber 7, if necessary.
  • FIG. 2 a substantially same device as shown in Fig. 1 is shown.
  • the combustion chamber 5 differs by the way it is tuned as a resonator to the flame 1 burning in it.
  • a tubular insert 18 surrounding the flame 2 on the burner 2 in the radial direction is provided in this embodiment, which is displaceable in the axial direction 19 of the combustion chamber 5 so as to be able to tune the vibration generated in the combustion chamber 5 accordingly on the insert 13 with its reduced cross section 14 and its axial length 15, so as to resonate with respect to the hot gas flow 12 flowing therethrough.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

L'invention concerne un procédé et un dispositif de traitement thermique d'une matière première (10), comprenant une chambre de combustion (5) dans laquelle brûle une flamme (1) oscillante et périodiquement non stationnaire, pour produire un flux de gaz brûlés (9) pulsé qui s'écoule à travers une chambre de réaction (7) se raccordant à la chambre de combustion (5). L'invention vise à obtenir un traitement efficace de la matière première. À cet effet, un insert (13) d'aire en section transversale (14) réduite par rapport à la chambre de réaction (7) et traversé par le flux de gaz brûlés est situé dans la chambre de réaction (7), lequel insert présente une longueur (15) qui est plus courte qu'une longueur totale de la chambre de réaction (7). En particulier, la longueur (15) de l'insert (13) et la géométrie de la chambre de combustion (5) peuvent être modifiées de manière à obtenir deux résonateurs pouvant être adaptés l'un à l'autre.
PCT/EP2017/000096 2016-03-04 2017-01-27 Dispositif et procédé de traitement thermique d'un matériau Ceased WO2017148562A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016002566.2A DE102016002566B4 (de) 2016-03-04 2016-03-04 Vorrichtung und Verfahren zur thermischen Materialbehandlung
DE102016002566.2 2016-03-04

Publications (1)

Publication Number Publication Date
WO2017148562A1 true WO2017148562A1 (fr) 2017-09-08

Family

ID=57909574

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/000096 Ceased WO2017148562A1 (fr) 2016-03-04 2017-01-27 Dispositif et procédé de traitement thermique d'un matériau

Country Status (2)

Country Link
DE (1) DE102016002566B4 (fr)
WO (1) WO2017148562A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115605287A (zh) * 2020-03-31 2023-01-13 顺利工程技术有限责任公司（De） 用于制造和/或处理颗粒的反应器系统和方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018205152A1 (de) 2018-04-05 2019-10-10 Glatt Ingenieurtechnik Gmbh Verfahren und Reaktor zur Herstellung von Partikeln
DE102018211650A1 (de) * 2018-07-12 2020-01-16 Ibu-Tec Advanced Materials Ag Vorrichtung zur Herstellung von Partikeln
DE102020204199A1 (de) 2020-03-31 2021-09-30 Glatt Ingenieurtechnik Gesellschaft mit beschränkter Haftung Reaktorsystem

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2722180A (en) * 1950-05-12 1955-11-01 Oran T Mcilvaine Fuel burners
DE1066313B (de) * 1959-10-01 Deutsche Babcock &. Wilcox-Dampfkessel-Werke Aktien-Gesellschaft, Oberhausen (RhId.) Feuerung zur Verbrennung von feinkörnigen Brennstoffen mit Hilfe von Longitudinalschwingungen der Feuergase
DD114454A1 (fr) 1974-04-02 1975-08-05
DD155161A1 (de) 1980-12-10 1982-05-19 Richard Schrader Verfahren zur herstellung von poliermitteln
DD245648A1 (de) 1986-01-02 1987-05-13 Dessau Zementanlagenbau Veb Verfahren und vorrichtung zur herstellung hochdisperser kieselsaeuren
US5044930A (en) * 1989-03-31 1991-09-03 Kabushiki Kaisha Toshiba Pulse combustion apparatus
DE102006046803A1 (de) 2006-09-29 2008-04-03 Ibu-Tec Gmbh & Co. Kg Verfahren und thermischer Reaktor zur Herstellung von Partikeln
DE102006046880A1 (de) 2006-10-04 2008-04-10 Carbotech Ac Gmbh Verfahren zur Herstellung von Aktivkohle mit hoher katalytischer Aktivität
EP2092976A1 (fr) * 2008-01-30 2009-08-26 IBU-tec advanced materials AG Procédé de fabrication de particules fines
DE10109892B4 (de) 2001-02-24 2010-05-20 Ibu-Tec Advanced Materials Ag Verfahren zur Herstellung monomodaler nanokristalliner Oxidpulver
DE102006032452B4 (de) 2006-07-13 2013-10-02 Süd-Chemie Ip Gmbh & Co. Kg Verfahren zur Herstellung nanokristalliner Metalloxide

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5197399A (en) * 1991-07-15 1993-03-30 Manufacturing & Technology Conversion International, Inc. Pulse combusted acoustic agglomeration apparatus and process

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1066313B (de) * 1959-10-01 Deutsche Babcock &. Wilcox-Dampfkessel-Werke Aktien-Gesellschaft, Oberhausen (RhId.) Feuerung zur Verbrennung von feinkörnigen Brennstoffen mit Hilfe von Longitudinalschwingungen der Feuergase
US2722180A (en) * 1950-05-12 1955-11-01 Oran T Mcilvaine Fuel burners
DD114454A1 (fr) 1974-04-02 1975-08-05
DD155161A1 (de) 1980-12-10 1982-05-19 Richard Schrader Verfahren zur herstellung von poliermitteln
DD245648A1 (de) 1986-01-02 1987-05-13 Dessau Zementanlagenbau Veb Verfahren und vorrichtung zur herstellung hochdisperser kieselsaeuren
US5044930A (en) * 1989-03-31 1991-09-03 Kabushiki Kaisha Toshiba Pulse combustion apparatus
DE10109892B4 (de) 2001-02-24 2010-05-20 Ibu-Tec Advanced Materials Ag Verfahren zur Herstellung monomodaler nanokristalliner Oxidpulver
DE102006032452B4 (de) 2006-07-13 2013-10-02 Süd-Chemie Ip Gmbh & Co. Kg Verfahren zur Herstellung nanokristalliner Metalloxide
DE102006046803A1 (de) 2006-09-29 2008-04-03 Ibu-Tec Gmbh & Co. Kg Verfahren und thermischer Reaktor zur Herstellung von Partikeln
DE102006046880A1 (de) 2006-10-04 2008-04-10 Carbotech Ac Gmbh Verfahren zur Herstellung von Aktivkohle mit hoher katalytischer Aktivität
EP2092976A1 (fr) * 2008-01-30 2009-08-26 IBU-tec advanced materials AG Procédé de fabrication de particules fines

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
A.A. PUTNAM; W.R. DENNIS: "Organ Pipe Oscillations in Flamefilled tubes", PROC. COMB. INST., vol. 4, 1952, pages 556 FF
CHR. BENDER: "Messung und Berechnung des Resonanzverhaltensgekoppelter Helmholtz-Resonatoren In technischen Verbrennungssystemen", DISSERTATION UNIVERSITÄT KARLSRUHE KIT, 2010
H. BÜCHNER: "Dissertation Universität Karlsruhe", 1992, SHAKER-VERLAG AACHEN, article "Experimentelle und theoretische Untersuchungen der Entstehungsmechanismen selbsterregter Druckschwingungen in technischen Vormisch-Verbrennungssystemen"

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115605287A (zh) * 2020-03-31 2023-01-13 顺利工程技术有限责任公司（De） 用于制造和/或处理颗粒的反应器系统和方法

Also Published As

Publication number Publication date
DE102016002566B4 (de) 2022-01-20
DE102016002566A1 (de) 2017-09-07

Similar Documents

Publication Publication Date Title
DE69812585T2 (de) Fluidmischer und verfahren für seine verwendung
DE102015005224B4 (de) Verfahren und Vorrichtung zur Einstellung der Schwingungsamplituden von Schwingfeueranlagen
DE60007946T2 (de) Eine Brennkammer
EP2435672B1 (fr) Système de traitement des gaz d'échappement
WO2017148562A1 (fr) Dispositif et procédé de traitement thermique d'un matériau
EP1336800A1 (fr) Procédé de réduction des oscillations induites par la combustion dans les dispositifs de combustion ainsi que brûleur à prémélange pour la mise en oeuvre du procédé
EP3650115B1 (fr) Réacteur pour une réaction chimique et procédé de régulation de la réaction chimique
EP0925472A1 (fr) Procede et dispositif pour la combustion d'un combustible avec de l'air
DE102016005155B4 (de) Schwingfeuerreaktor mit pulsierender Flamme und Verfahren für eine thermische Materialbehandlung oder Materialsynthese
EP3236152A1 (fr) Procédé et dispositif de traitement thermique de matériau dans un pulso-réacteur
EP0924459A1 (fr) Procédé et dispositif pour l'injection d'un mélange de carburant et de liquide dans une chambre de combustion
CH697265B1 (de) Verfahren zum Erzeugen von Wasserdampf, insbesondere Reinstwasserdampf sowie Dampferzeuger.
DE102015205069A1 (de) Verbrennungsvorrichtung
EP1624251B1 (fr) Dispositif pour atténuer les oscillations acoustiques dans les chambres combustion avec fréquence de résonance ajustable
DE102018211650A1 (de) Vorrichtung zur Herstellung von Partikeln
EP1893915B1 (fr) Systeme bruleur et son mode de fonctionnement
DE102018211641A1 (de) Vorrichtung und Verfahren zur Herstellung von Partikeln
EP4126341A1 (fr) Système de réacteur et procédé de production et/ou de traitement de particules
EP4126326A1 (fr) Système de division de gaz de traitement et utilisation du système de division de gaz de traitement
DE102020204199A1 (de) Reaktorsystem
WO2017137149A1 (fr) Procédé de traitement thermique de matériau
WO2020225425A1 (fr) Dispositif de traitement thermique d'une matière première dans un courant de gaz chaud pulsé
DE102005059184B3 (de) Vorrichtung und Verfahren zur Dämpfung thermoakustischer Resonanzen in Brennkammern
DE19950104A1 (de) Verfahren zur Neutralisation von Abgasen sowie Vorrichtung zur Durchführung des Verfahrens
DE102017126365A1 (de) Vorrichtung und Verfahren zur Herstellung eines Zeoliths

Legal Events

Date Code Title Description
NENP Non-entry into the national phase

Ref country code: DE

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17701791

Country of ref document: EP

Kind code of ref document: A1

122 Ep: pct application non-entry in european phase

Ref document number: 17701791

Country of ref document: EP

Kind code of ref document: A1