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EP2044368B1 - Dispositif thermique de purification des gaz d'échappement et procédé pour la purification thermique des gaz d'échappement - Google Patents

Dispositif thermique de purification des gaz d'échappement et procédé pour la purification thermique des gaz d'échappement Download PDF

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Publication number
EP2044368B1
EP2044368B1 EP07765036A EP07765036A EP2044368B1 EP 2044368 B1 EP2044368 B1 EP 2044368B1 EP 07765036 A EP07765036 A EP 07765036A EP 07765036 A EP07765036 A EP 07765036A EP 2044368 B1 EP2044368 B1 EP 2044368B1
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EP
European Patent Office
Prior art keywords
vaporization chamber
accordance
gas
fluidic medium
exhaust gas
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EP07765036A
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German (de)
English (en)
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EP2044368A1 (fr
Inventor
Kurt Noll
Kai JÄNNSCH
Jörg HUPFER
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Duerr Systems AG
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Duerr Systems AG
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Priority to PL07765036T priority Critical patent/PL2044368T3/pl
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    • 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
    • F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
    • F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
    • F23G7/065—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel
    • F23G7/066—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator
    • F23G7/068—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator using regenerative heat recovery means

Definitions

  • the present invention relates to a thermal exhaust gas purification device comprising at least one combustion chamber and at least one regenerator through which a raw gas to be purified is supplied to the combustion chamber.
  • the present invention has for its object to provide a thermal emission control device of the type mentioned, which allows to burn even large amounts of low-calorie liquid media.
  • the exhaust gas purification device comprises at least one evaporation chamber, which a carrier gas from the combustion chamber can be fed and in which a vaporization chamber supplied liquid medium is evaporated, wherein the evaporated liquid medium together with the carrier gas to the raw gas before passing through the regenerator is immiscible.
  • the vaporization chamber replaces the residence time lacking in conventional plants, and the heat energy of the carrier gas imparts the mixing energy required for the evaporation of low-calorie residues and the energy for the change of the aggregate state.
  • problematic liquid residues can be oxidized in an energy-neutral manner in a composite of an evaporation chamber and a thermoreactor.
  • the liquid residue is vaporized without oxidation so that the carrier gas and the residue are at a lower temperature level than the carrier gas prior to mixing with the liquid residue.
  • the combination of the evaporation chamber with the combustion chamber and the regenerator makes it possible, even low-calorie liquid residues and waste water, which do not ignite independently due to their composition and whose energy content maximally helps to maintain the temperature level of the carrier gas in the mixture with the carrier gas in high quantities burn.
  • the temperature of the mixture of the carrier gas and the evaporated liquid medium at the exit of the evaporation chamber is dependent on the evaporation losses and depending on the type of organic substances contained in the liquid medium between about 150 ° C and the temperature of the carrier gas before entering the evaporation chamber.
  • the outlet temperatures of the mixture of carrier gas and vaporized liquid medium can be varied upon exiting the evaporation chamber.
  • the temperature of the carrier gas can be corrected downwards if necessary.
  • raw gas which has not yet entered the regenerator, can be mixed with the carrier gas from the combustion chamber before it enters the evaporation chamber in order to lower the temperature of the carrier gas before it enters the evaporation chamber, if necessary.
  • the exhaust gas purification device comprises at least one atomizing device for atomizing the liquid medium in the evaporation chamber.
  • the exhaust gas purification device comprises means for supplying compressed air to the atomizing device.
  • the exhaust gas purification device comprises at least one auxiliary burner for increasing the temperature in the vaporization chamber.
  • At least one dust filter is arranged in an outlet region of the evaporation chamber.
  • the supply of liquid medium to the evaporation chamber can be regulated as a function of the combustion chamber temperature.
  • the evaporation chamber can be flowed through in a substantially vertical direction by the mixture of carrier gas and liquid medium.
  • the liquid medium to be evaporated in the evaporation chamber may be a liquid or an aerosol.
  • the present invention further relates to a method for thermal exhaust gas purification, in which a raw gas to be purified is supplied by a regenerator of a combustion chamber.
  • the present invention has the further object of providing such a method for thermal exhaust gas purification, which makes it possible to burn even large amounts of a low-calorie liquid medium.
  • This object is achieved in a method having the features of the preamble of claim 13 according to the invention in that a carrier gas from the combustion chamber is fed to an evaporation chamber and in the evaporation chamber, a liquid medium supplied to the evaporation chamber is at least partially evaporated, wherein the evaporated liquid medium together with the carrier gas the raw gas is mixed before passing through the regenerator.
  • the combustion of the exhaust gas in the exhaust gas purification device according to the invention or in the exhaust gas purification process according to the invention can be carried out with or without catalyst elements to reduce the required oxidation temperature.
  • thermal exhaust gas purification device comprises a thermal reactor 102 with a combustion chamber 104 and three arranged below the combustion chamber 104 regenerators 106, each comprising an antechamber 108 and disposed above the prechamber 108 heat storage mass chamber 110, wherein the heat storage mass chamber 110 of the prechamber 108 by a Grid 112 is separated, which carries a heat storage mass 114 of the respective regenerator 106.
  • This heat storage mass 114 can be formed, for example, from ceramic saddles, which are disposed in the heat storage mass chamber 110 in a disordered manner.
  • the heat storage mass 114 comprises honeycomb bodies, which are traversed by gas passage channels and prismatic, in particular cuboid, formed and arranged with their lateral surfaces adjacent to each other so that in the heat storage mass chamber 110 one or more honeycomb body layers are formed the gas must pass through the heat storage mass chamber 110 as it passes.
  • Each of the heat storage mass chambers 110 of the regenerators 106 opens at its upper end in the combustion chamber 104, in which a burner 116 is arranged, via a fuel gas supply line 118, a fuel gas, for example natural gas, is supplied to burn the pollutants contained in the raw gas to be purified ,
  • a fuel gas for example natural gas
  • the burner 116 is further supplied via a fresh air supply line 120 required for the combustion process combustion air.
  • a fresh air supply fan 122 and a check valve 124 are arranged in the fresh air supply line 120.
  • control of the control valves 126 and 128 by means of a (not shown) control device of the thermal exhaust gas cleaning device 100, which via signal or control lines with the temperature sensor 130 and with the control valves 126 and 128 and with the further described below sensors and control elements of Exhaust gas purification device 100 is connected.
  • the temperature in the combustion chamber 104 may be up to 1000 ° C during operation of the exhaust gas purification device 100, depending on the energy content of the substances contained in the raw gas to be burned.
  • the Brennkamme.rtemperatur is monitored by means of a temperature sensor 132 which triggers a safety shutdown of the exhaust gas cleaning device 100 when a predetermined maximum temperature is exceeded.
  • Further temperature sensors 134 may be arranged in the upper end region of the regenerators 106 in order to trigger a safety shutdown even when a predetermined maximum temperature is exceeded.
  • Another temperature sensor 136 with a connected recording device is used for continuous detection and recording of the temporal temperature profile in the combustion chamber 104.
  • each regenerator 106 is connected to a raw gas supply pipe 140 through a raw gas branch pipe 138 provided with a raw gas valve 136, through which the exhaust gas purification apparatus 100 is supplied with the exhaust gas to be purified, which will be referred to as raw gas, from an exhaust gas source (not shown).
  • each regenerator 106 is connected to a clean gas discharge passage 146 via a clean gas branch line 144 provided with a clean gas valve 142, through which the exhaust gas purified by the exhaust gas purification device 100, hereinafter referred to as clean gas, is sent to an exhaust chimney 148 which the clean gas is delivered to the environment.
  • the temperature of the clean gas in the clean gas discharge line 146 is detected by means of a temperature sensor 149.
  • a further temperature sensor 150 is disposed on the clean gas discharge line 146, which triggers a safety shutdown of the exhaust gas purification device 100 when a predetermined maximum clean gas temperature is exceeded.
  • each regenerator 106 is connected via a purge gas branch line 154 provided with a purge gas 152 to a purge gas recirculation line 156 through which clean gas used to purge raw gas residues from the heat storage masses 114 of the regenerators 106 is referred to as a purge gas Rohgaszumoltechnisch 140 is traceable.
  • the purge gas return line 156 opens into the Rohgaszumoltechnische 158, which sucks the raw gas from the raw gas source and promotes into the regenerators 106.
  • the flow rate of the raw gas supply fan 158 is controllable in response to a pressure measured by a pressure sensor 160 upstream of the confluence of the purge gas recirculation passage 156 into the raw gas supply passage 140.
  • a bypass line 162 branches off the raw gas supply line 140, through which, in the event of a malfunction of the exhaust gas purification device 100, the raw gas from the raw gas source can be bypassed at the exhaust gas purification device 100.
  • bypass line 162 The access to the bypass line 162 is closed by means of a, in particular pneumatically controlled, control valve 164.
  • the fresh air supply via the Frisch povertyzu melt 166 is arranged by means of a in the Frisch povertyzu90 Maschinentube 166, in particular pneumatically controlled, valve 168 controllable.
  • a muffler 170 is disposed in the fresh air supply pipe 166.
  • a, in particular pneumatically controllable, valve 172 is arranged in the raw gas supply line 140, by means of which the raw gas supply to the exhaust gas purification device 100 can be blocked.
  • the thermal emission control apparatus 100 includes an evaporation chamber 174 which serves to vaporize a liquid medium introduced into the evaporation chamber and one from the combustion chamber 104 mixture carrier gas so that the mixture of the carrier gas and the evaporated liquid medium can be added to the raw gas before entering the thermoreactor 102.
  • the vaporization chamber 174 has a substantially vertical longitudinal axis 176.
  • the evaporation chamber may be formed substantially hollow cylindrical.
  • the evaporation chamber may have an outer wall made of steel and a ceramic inner lining, for example of cement wool and / or stone.
  • the upper region of the interior 178 of the evaporation chamber 174 forms an evaporation zone 180, into which an atomizing device 182 in the form of an atomizing lance 184 opens.
  • the atomizer lance 184 is fed via a remplissigmediumzu slaughterhouse Gustav 186 to be atomized and then in the evaporation zone 180 to be evaporated liquid medium.
  • the liquid medium may be a liquid or an aerosol.
  • the liquid medium is conveyed to the atomizing device 182 from a liquid medium source (not shown) by means of a liquid medium pump 188 arranged in the liquid medium supply line 186.
  • a liquid medium return pipe 190 branches off from the liquid medium supply pipe 186.
  • This liquid medium return line 190 flows into the liquid medium supply line 186 upstream of the liquid medium pump 188, so that a part of the liquid medium conveyed by the liquid medium pump 188 can be branched and returned to regulate the amount of the liquid medium supplied to the atomizer 182.
  • a control valve 192 is provided in the liquid medium return line 190.
  • a check valve 194 for example a magnetically or motor-operated, is arranged in the liquid medium supply line 186.
  • the atomizing device 182 is further connected via a compressed air line 196 to a (not shown) compressed air source.
  • Compressed air line 196 can supply pressurized air at a pressure of, for example, about 3 bar to atomizing device 182 in order to atomize the liquid medium in atomizing device 182 by means of this compressed air.
  • superheated steam can also be used to atomize the liquid medium.
  • the upper portion of the inner space 178 of the evaporation chamber 174 is connected to the combustion chamber 104 of the thermal reactor 102 via a carrier gas supply line 198.
  • a Rohgaszumischtechnisch 200 is further provided, which branches off downstream of the RohgaszuGerman Anlagenläse 158 of the Rohgaszuclasstechnisch 140 and opens into the SingaszuSciencetechnisch 198.
  • the Rohgaszumisch Arthur 200 is a, for example, pneumatically controllable, control valve 202 is provided, by means of which the supply of raw gas through the Rohgaszumisch admir 200 to the carrier gas in the Sinzu ebook Kunststoff admir 198 depending on the measured by a temperature sensor 204 temperature of the mixture of carrier gas and raw gas in the Sugaszumoltechnisch 198, downstream of the confluence of the Rohgaszumisch effet 200, is controllable.
  • the evaporation chamber 174 is provided with a pilot burner 206 to provide the required for the evaporation of the liquid medium evaporation energy in sudden and strong Schuwertschwankept and / or lack of carrier gas or to be able to initiate a pre-reaction with partial burning of the organic substances contained in the liquid medium.
  • the pilot burner 206, a fuel gas via a fuel gas supply line 208 and fresh air as an oxidant via a Frischluftzu réelle Gustav 210 can be fed.
  • a dust filter 216 is arranged, which comprises a arranged on a grating 218 ceramic bulk material as a filter mass 220.
  • the mixture of carrier gas and vaporized liquid medium passes through a mixing pipe 222 connected to the lower end of the evaporation chamber 174, which flows into the raw gas supply pipe 140 upstream of the raw gas supply fan 158 to mix there with the raw gas coming from the raw gas source ,
  • the supply of the mixture of carrier gas and vaporized liquid medium from the evaporation chamber 174 to the Rohgaszumoltechnischmaschinench 140 is arranged by means disposed in the admixing 222, for example, pneumatically actuated control valve 224 in response to the measured by a temperature sensor 226 in the lower region of the interior 178 of the evaporation chamber 174 Temperature adjustable.
  • This temperature is, for example, in the range of about 350 ° C to about 950 ° C.
  • a further temperature sensor 228 is provided, which measures the temperature in the interior 178 of the evaporation chamber 174 and triggers a safety shutdown of the evaporation chamber 174 when a predetermined maximum temperature is exceeded.
  • a further raw gas mixing line 232 is provided, which branches off the raw gas supply line 140 downstream of the raw gas supply fan 158 and opens into the outlet region 230 of the evaporation chamber 174.
  • a, for example, pneumatically actuated, control valve 234 is provided in the Rohgaszumisch Arthur 232.
  • the above-described thermal exhaust gas purification apparatus 100 functions as follows.
  • the raw gas valve 136a of the first regenerator 106a is opened, while the raw gas valves 136b and 136c of the second regenerator 106b and the third regenerator 106c are closed, so that the raw gas from the raw gas supply line 140 only into the first regenerator 106a enters.
  • the heat storage mass 114 of the first regenerator 106a is in the first operating state of the thermal reactor 102 at a relatively high temperature, so that it heats the heat storage mass 114 from bottom to top flowing raw gas.
  • the raw gas thus heated enters the combustion chamber 104 at the upper end of the regenerator 106a, whereupon the raw gas with the admixed carrier gas and the admixed vaporized liquid medium in the combustion chamber 104 by thermal oxidation of the contained therein combustible substances is cleaned.
  • an operating temperature of up to 1000 ° C. is achieved in the combustion chamber 104.
  • the pollutant-free clean gas thus formed flows (in the direction of view of the Fig. 1 seen) from left to right through the combustion chamber 104 and over the mouth of the second regenerator 106b from above into the heat storage mass chamber 110 of the second regenerator 106b.
  • the hot clean gas heat to heat storage mass 114 and heats it up so before the hot clean gas leaves the second regenerator 106b through the prechamber 108 and the open clean gas valve 142b.
  • the clean gas valves 142a and 142c of the first regenerator 106a and the third regenerator 106c are closed in this first operating state of the thermal reactor 102.
  • the clean gas from the second regenerator 106 b is discharged from the exhaust gas purification device 100 through the clean gas discharge line 146 and supplied to the exhaust air chimney 148.
  • the third regenerator 106c is flushed in this first operating state of the thermal reactor 102 of clean gas from the combustion chamber 104 from top to bottom, in the heat storage mass 114 and in the antechamber 108 of this third regenerator 106c still remaining raw gas residues through the opened purge gas 152c of the third regenerator 106c into the purge gas recirculation line 156 and thus return to the thermal reactor 102 to be supplied raw gas.
  • the purge gas valves 152a and 152b of the first regenerator 106a and the second regenerator 106b are closed in this first operating state of the thermoreactor 102.
  • thermoreactor 102 is switched to a second operating state, in which the raw gas valve 136a of the first regenerator 106a is closed and the raw gas valve 136b of the second regenerator 106b is opened, so that the raw gas now flows through the second regenerator 106b into the combustion chamber 104 flows in and thereby heated when passing through the heated in the previous first operating state heat storage mass 114 of the second regenerator 106b.
  • the purge gas valve 152c of the third regenerator 106c is also closed, and the clean gas valve 142c of the third regenerator 106c is opened so that the clean gas from the combustion chamber 104 passes through the heat storage mass 114 of the third regenerator 106c purged in the previous operating state Clean gas discharge line 146 escape and thereby heat the heat storage mass 114 of the third regenerator 106 c.
  • the first regenerator 106a charged with the raw gas in the first operating state is now in the flushing state during the second operating state, in which the purge gas valve 152a of the first regenerator 106a is opened, while the purge gas valve 152c of the third regenerator 106c is now closed.
  • the first regenerator 106a is therefore purged with clean gas from the combustion chamber 104 in this operating state.
  • a third operating state in which the raw gas enters the combustion chamber 104 through the third regenerator 106c, the clean gas from the combustion chamber 104 follows through the first regenerator 106a into the clean gas discharge line 146, and the second regenerator 106b is purged.
  • the temperature of the carrier gas relative to the combustion chamber temperature can be lowered.
  • the evaporation zone 180 in the evaporation chamber 174 is supplied via the liquid medium supply line 186 with the liquid medium from the liquid medium source, which is atomized in the atomizer 182 by the compressed air supplied through the compressed air line 196.
  • This liquid medium is, for example, low-calorie liquid residues and / or effluents which, because of their composition of substances, do not ignite independently and whose energy content maximally contributes to keeping the temperature level of the carrier gas after mixing with the carrier gas.
  • the liquid medium is evaporated in the evaporation zone 180 without oxidation, so that the mixture of carrier gas and vaporized Liquid medium due to the required for the evaporation of latent heat has a lower temperature level than the carrier gas before the addition of the liquid medium.
  • the droplets of liquid medium formed by the atomizer 182 fall down within the vaporization chamber 174 without contacting the wall of the vaporization chamber 174.
  • the extent of the evaporation chamber 174 along its longitudinal axis 176 is dimensioned so that the supplied liquid medium within the evaporation chamber 174 completely evaporated.
  • the filter mass 220 of the dust filter 216 may further act as a droplet evaporator, since it has a high heat capacity and therefore, if necessary, completely evaporated up to the filter mass 220 reaching droplets.
  • the temperature of the mixture of the carrier gas and the evaporated liquid medium within the evaporation chamber is, for example, about 350 ° C to about 950 ° C.
  • This temperature depends on the temperature of the carrier gas before entering the vaporization chamber 174 and on the latent heat required to vaporize the liquid medium.
  • the temperature of the mixture of carrier gas and vaporized liquid medium exiting the vaporization chamber 174 may be varied by partially throttling or increasing the amount of carrier gas supplied.
  • raw gas may be supplied from the raw gas supply pipe 140 through the raw gas supply line 232 into the discharge region 230 of the evaporation chamber 174.
  • the exit temperature of carrier gas and vaporized Fiüssigmedium be brought to, for example, about 150 ° C.
  • the carrier gas with the partially reacted or only evaporated organic substances from the liquid medium reacted in the evaporation chamber 174 is mixed into the raw gas stream in the raw gas supply line 140 via the admixing line 222 via the admixing line 222.
  • the impurities from the liquid medium reach the thermoreactor 102 and are brought to complete reaction in the combustion chamber 104.
  • the pilot burner 206 can be put into operation in the evaporation chamber 174 ,
  • the evaporation chamber 174 provides the required residence time for as complete as possible evaporation of the liquid medium and its mixing with the carrier gas available.
  • the compressed air-assisted atomizer lance 184 can also be used to process and evaporate difficult-to-atomize liquid media in the vaporization chamber 174.
  • the priority control of the outlet temperature of carrier gas and vaporized liquid medium at the outlet of the vaporization chamber 174 is made by means of the control valve 224 at the outlet of the vaporization chamber 174 which determines the rate of carrier gas flow through the vaporization chamber 174 and thus also the supply of carrier gas to the vaporization chamber 174.
  • the supply of raw gas from the Rohgaszu réelle Arthur 140 in the outlet portion 230 of the evaporation chamber 174 serves primarily for cooling this control valve 224, which may be formed, for example, as a control valve.
  • the temperature of the mixture of raw gas, carrier gas and vaporized liquid medium in the raw gas supply line 140 downstream of the confluence of the admixing line 222 is preferably above the dew point (for example, about 80 ° C).
  • An in Fig. 2 illustrated second embodiment of a thermal exhaust gas purification device 100 differs from the first embodiment described above only in that the control of the control valve 224 at the outlet of the evaporation chamber 174 not depending on a measured in the interior 178 of the evaporation chamber 174 temperature, but depending on the mixing temperature of Raw gas, carrier gas and vaporized liquid medium in the Rohgaszumoltechnisch 140 is controlled.
  • a temperature sensor 236 in the raw gas supply line 140 is arranged downstream of the junction of the admixing line 222 into the crude gas feed line 140.
  • this temperature sensor 236 may be arranged between the branch of the crude gas mixing line 232, via which raw gas can be fed to the outlet region 230 of the evaporation chamber 174, and the branch of the crude gas mixing line 200, via which raw gas can be fed to the carrier gas supply line 198.

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Incineration Of Waste (AREA)

Claims (24)

  1. Dispositif thermique de purification des gaz d'échappement, comprenant au moins une chambre de combustion (104) et au moins un régénérateur (106), à travers lequel un gaz brut à purifier est fourni à la chambre de combustion (104), caractérisé en ce que le dispositif de purification des gaz d'échappement (100) comprend au moins une chambre de vaporisation (174), à laquelle un gaz porteur provenant de la chambre de combustion (104) peut être envoyé et dans laquelle un fluide hydraulique fourni à la chambre de vaporisation (174) peut être vaporisé, le fluide liquide vaporisé pouvant être mélangé en même temps que le gaz porteur au gaz brut avant le passage à travers le régénérateur (106).
  2. Dispositif de purification des gaz d'échappement selon la revendication 1, caractérisé en ce que du gaz brut, qui n'a pas encore pénétré dans le régénérateur (106), peut être mélangé au gaz porteur provenant de la chambre de combustion (104) avant l'entrée dans la chambre de vaporisation (174).
  3. Dispositif de purification des gaz d'échappement selon l'une des revendications 1 ou 2, caractérisé en ce que du gaz brut, qui n'a pas encore pénétré dans le régénérateur (106), peut être envoyé à une zone de sortie (230) de la chambre de vaporisation (174).
  4. Dispositif de purification des gaz d'échappement selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le dispositif de purification des gaz d'échappement (100) comprend au moins un dispositif de pulvérisation (182) pour pulvériser le fluide hydraulique dans la chambre de vaporisation (174).
  5. Dispositif de purification des gaz d'échappement selon la revendication 4, caractérisé en ce que le dispositif de purification des gaz d'échappement (100) comprend un dispositif (196) pour fournir de l'air comprimé au dispositif de pulvérisation (182).
  6. Dispositif de purification des gaz d'échappement selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le dispositif de purification des gaz d'échappement (100) comprend au moins un brûleur additionnel (206) pour augmenter la température dans la chambre de vaporisation (174).
  7. Dispositif de purification des gaz d'échappement selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'au moins un filtre à poussières (216) est disposé dans une zone de sortie (230) de la chambre de vaporisation (174).
  8. Dispositif de purification des gaz d'échappement selon l'une quelconque des revendications 1 à 7, caractérisé en ce que l'apport de fluide hydraulique à la chambre de vaporisation (174) est réglable en fonction du débit de gaz brut à travers le dispositif de purification des gaz d'échappement (100).
  9. Dispositif de purification des gaz d'échappement selon l'une quelconque des revendications 1 à 8, caractérisé en ce que l'apport de fluide hydraulique à la chambre de vaporisation (174) est réglable en fonction de la température de la chambre de combustion (104).
  10. Dispositif de purification des gaz d'échappement selon l'une quelconque des revendications 1 à 9, caractérisé en ce que l'apport du mélange de gaz porteur et de fluide hydraulique vaporisé provenant de la chambre de vaporisation (174) au gaz brut est réglable en fonction de la température du mélange composé de gaz brut, de gaz porteur et de fluide hydraulique vaporisé avant l'entrée dans le régénérateur (106).
  11. Dispositif de purification des gaz d'échappement selon l'une quelconque des revendications 1 à 10, caractérisé en ce que la chambre de vaporisation (174) peut être parcourue en direction essentiellement verticale par le mélange de gaz porteur et de fluide hydraulique.
  12. Dispositif de purification des gaz d'échappement selon l'une quelconque des revendications 1 à 11, caractérisé en ce que la dimension de la chambre de vaporisation (174) dans la direction (176), dans laquelle elle peut être parcourue par le mélange de gaz porteur et de fluide hydraulique, est suffisamment grande pour que le fluide hydraulique fourni soit vaporisé essentiellement de manière totale à l'intérieur de la chambre de vaporisation (174).
  13. Procédé pour la purification thermique des gaz d'échappement, dans lequel on fournit un gaz brut à purifier à une chambre de combustion (104) à travers un régénérateur (106), caractérisé en ce que l'on fournit à une chambre de vaporisation (174) un gaz porteur provenant de la chambre de combustion (104) et on vaporise au moins en partie dans la chambre de vaporisation (174) un fluide hydraulique fourni à la chambre de vaporisation (174), le fluide hydraulique vaporisé étant mélangé en même temps que le gaz porteur au gaz brut avant le passage à travers le régénérateur (106).
  14. Procédé selon la revendication 13, caractérisé en ce que l'on mélange du gaz brut, qui n'a pas encore pénétré dans le régénérateur (106), au gaz porteur provenant de la chambre de combustion (104) avant l'entrée dans la chambre de vaporisation (174).
  15. Procédé selon l'une des revendications 13 ou 14, caractérisé en ce que l'on envoie du gaz brut, qui n'a pas encore pénétré dans le régénérateur (106), à une zone de sortie (230) de la chambre de vaporisation (174).
  16. Procédé selon l'une quelconque des revendications 13 à 15, caractérisé en ce que l'on pulvérise le fluide hydraulique dans la chambre de vaporisation (174).
  17. Procédé selon la revendication 16, caractérisé en ce que l'on pulvérise le fluide hydraulique au moyen d'air comprimé.
  18. Procédé selon l'une quelconque des revendications 13 à 17, caractérisé en ce que l'on augmente la température dans la chambre de vaporisation (174) au moins temporairement au moyen d'un brûleur additionnel (206).
  19. Procédé selon l'une quelconque des revendications 13 à 18, caractérisé en ce que l'on filtre le mélange composé de gaz porteur et de fluide hydraulique vaporisé au moyen d'un filtre à poussières (216).
  20. Procédé selon l'une quelconque des revendications 13 à 19, caractérisé en ce que l'on règle l'apport de fluide hydraulique à la chambre de vaporisation (174) en fonction du débit de gaz brut à travers la chambre de combustion (104).
  21. Procédé selon l'une quelconque des revendications 13 à 20, caractérisé en ce que l'on règle l'apport de fluide hydraulique à la chambre de vaporisation (174) en fonction de la température de la chambre de combustion.
  22. Procédé selon l'une quelconque des revendications 13 à 21, caractérisé en ce que l'on règle l'apport du mélange de gaz porteur et de fluide hydraulique au gaz brut en fonction de la température du mélange composé de gaz brut, de gaz porteur et de fluide hydraulique vaporisé avant l'entrée dans le régénérateur (106).
  23. Procédé selon l'une quelconque des revendications 13 à 22, caractérisé en ce que la chambre de vaporisation (174) est parcourue en direction essentiellement verticale par le mélange de gaz porteur et de fluide hydraulique.
  24. Procédé selon l'une quelconque des revendications 13 à 23, caractérisé en ce que l'on utilise une chambre de vaporisation (174), dont la dimension dans la direction (176), dans laquelle la chambre de vaporisation (174) est parcourue par le mélange de gaz porteur et de fluide hydraulique, est suffisamment grande pour que le fluide hydraulique fourni soit vaporisé essentiellement de façon totale à l'intérieur de la chambre de vaporisation (174).
EP07765036A 2006-07-22 2007-07-04 Dispositif thermique de purification des gaz d'échappement et procédé pour la purification thermique des gaz d'échappement Not-in-force EP2044368B1 (fr)

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PL07765036T PL2044368T3 (pl) 2006-07-22 2007-07-04 Termiczne urządzenie do oczyszczania spalin i sposób termicznego oczyszczania spalin

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DE102006034032.9A DE102006034032B4 (de) 2006-07-22 2006-07-22 Thermische Abgasreinigungsvorrichtung und Verfahren zur thermischen Abgasreinigung
PCT/EP2007/005897 WO2008011965A1 (fr) 2006-07-22 2007-07-04 Dispositif thermique de purification des gaz d'échappement et procédé pour la purification thermique des gaz d'échappement

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EP2044368A1 EP2044368A1 (fr) 2009-04-08
EP2044368B1 true EP2044368B1 (fr) 2012-12-05

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WO (1) WO2008011965A1 (fr)

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DE102007032952B4 (de) * 2006-09-12 2010-07-08 Kba-Metalprint Gmbh Verfahren zum Betreiben einer thermisch-regenerativen Abluftreinigungsanlage
DE102009007725A1 (de) * 2009-01-28 2010-09-09 Kba-Metalprint Gmbh Verfahren zum Betreiben einer Oxidationsanlage sowie Oxidationsanlage
DE102015205516A1 (de) 2014-12-22 2016-06-23 Dürr Systems GmbH Vorrichtung und Verfahren zur thermischen Abgasreinigung
DE102020113657A1 (de) 2020-05-20 2021-11-25 Dürr Systems Ag Thermische abluftreinigungsvorrichtung
DE102021125432A1 (de) * 2021-09-30 2023-03-30 Dürr Systems Ag Fluidreinigungssystem und verfahren zur fluidreinigung

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US1791411A (en) * 1922-01-27 1931-02-03 Hillebrand Hermann Method for the total gasification of wet bituminous fuels
US2231231A (en) * 1937-08-09 1941-02-11 Union Oil Co Process and apparatus for catalytic operations
US2946651A (en) * 1956-08-09 1960-07-26 Oxy Catalyst Inc Catalytic treatment of gas streams
DE19716877C1 (de) * 1997-04-22 1998-12-10 Schedler Johannes Verfahren zur adsorptiven Abgasreinigung
KR19980082082A (ko) 1998-08-21 1998-11-25 오석인 유기 폐수의 증발 축열소각 시스템
DE19858120A1 (de) * 1998-12-16 2000-06-21 Basf Ag Verfahren zur thermischen Behandlung von nicht brennbaren Flüssigkeiten
DE19928214C2 (de) * 1999-06-19 2001-09-13 Ltg Mailaender Gmbh Verfahren und Vorrichtung zur thermischen Reinigung eines Rohgases
US6453830B1 (en) * 2000-02-29 2002-09-24 Bert Zauderer Reduction of nitrogen oxides by staged combustion in combustors, furnaces and boilers
EP2446951B1 (fr) * 2010-10-26 2012-10-10 AFRISO-EURO-INDEX GmbH Dispositif de filtration et d'aération de fioul de chauffage à l'aide d'une soupape d'inversion du refoulement

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DE102006034032B4 (de) 2019-10-17
DE102006034032A1 (de) 2008-01-24
EP2044368A1 (fr) 2009-04-08
ES2400923T3 (es) 2013-04-15
PL2044368T3 (pl) 2013-05-31
WO2008011965A1 (fr) 2008-01-31

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