EP1093506B1 - Four de thermolyse a depoussierage de la sortie du flux gazeux resultant de la thermolyse - Google Patents

Four de thermolyse a depoussierage de la sortie du flux gazeux resultant de la thermolyse Download PDF

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Publication number
EP1093506B1
EP1093506B1 EP99923680A EP99923680A EP1093506B1 EP 1093506 B1 EP1093506 B1 EP 1093506B1 EP 99923680 A EP99923680 A EP 99923680A EP 99923680 A EP99923680 A EP 99923680A EP 1093506 B1 EP1093506 B1 EP 1093506B1
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EP
European Patent Office
Prior art keywords
cavity
waste
outlet
gas stream
furnace according
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.)
Expired - Lifetime
Application number
EP99923680A
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German (de)
English (en)
French (fr)
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EP1093506A1 (fr
Inventor
René WILLEMIN
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THIDE ENVIRONNEMENT
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THIDE ENVIRONNEMENT
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Publication of EP1093506A1 publication Critical patent/EP1093506A1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J3/00—Removing solid residues from passages or chambers beyond the fire, e.g. from flues by soot blowers
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B1/00—Retorts
    • C10B1/10—Rotary retorts
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B47/00—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion
    • C10B47/28—Other processes
    • C10B47/30—Other processes in rotary ovens or retorts
    • 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
    • F23G2201/302—Treating pyrosolids
    • 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
    • F23G2201/303—Burning pyrogases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2203/00—Furnace arrangements
    • F23G2203/20—Rotary drum furnace

Definitions

  • the present invention relates to thermolysis, in particular urban and / or industrial waste.
  • a waste thermolysis furnace comprises a cavity airtight, substantially cylindrical, rotating around its longitudinal axis, and comprising an input interface for the introduction of waste into the cavity and an outlet of gas flow.
  • An envelope surrounds the cavity.
  • a burner has an input connected to the output of the cavity and a outlet delivering a combustion gas into the envelope.
  • raising the temperature of the cavity comes from the flow of combustion circulating in the envelope surrounding the cavity can break down into solids carbonaceous waste contained in the cavity.
  • thermolysis The implementation of the neutralization of pollutants thermolysis is relatively easy even when the content origin of the waste shows a strong variation in pollutants, since the treatment of pollutants is achieved before use (most often combustion) carbonaceous solids from thermolysis.
  • thermolysis is better adapted to waste heterogeneous as incineration where the treatment of pollutants is realized after combustion of the waste.
  • thermolysis reaction is produced in a sheltered oven air at a temperature between 450 ° C and 600 ° C. The choice of this temperature is controlled by the nature of the treated waste. The reaction to these temperatures (cracking) produces gas and carbonaceous solids. This reaction is made without pressure to avoid soliciting joints sealing on rotating oven.
  • the gas resulting from the thermolysis is channeled into a pipe and is directed to the burner which will ensure its combustion. Little by little, the particles carbonaceous solids will settle on the periphery of the evacuation sheath until you first create a reduction progressive of the free section of this sheath and end up completely close it, causing the food to stop fuel burner.
  • the present invention provides a solution to this problem.
  • the output of gaseous flow of the cavity comprises at least one exhaust duct comprising a first end connected to the cavity and a second end connected to the burner, the sheath being suitable for housing a screw without a core, capable of capturing at least part the dusts of carbonaceous solids present in the gaseous flow resulting from thermolysis and to turn, on order to return to the oven cavity the dust thus captured.
  • the screw without soul first causes the capture of dust carbonaceous solids, and then cleans the exhaust duct by returning to the oven cavity, by example at scheduled intervals, the dust as well captured.
  • the soulless screw comprises helical coils whose width and pitch are chosen according to a average rate of evacuation of the gas stream resulting from the thermolysis to trap at least a part of the particles present in said gas stream.
  • the gaseous flow outlet of the cavity comprises first and second evacuation ducts comprising each of the first and second ends, each first end being connected to the cavity, and each second end being connected to a common node whose output is connected to the burner, each exhaust duct comprising a shutter and a screw without a core, clean to dust on order the associated sheath, the shutter of the dust jacket to be closed while the shutter of the other sheath being open for evacuation of gases thermolysis.
  • the shutters are closed alternately. So, when one of the evacuation ducts is in service, the other is closed to allow the sweeping sequence essential for its cleaning.
  • the present invention also relates to an oven of which the introduction of waste into the cavity is improved.
  • the entrance interface of the cavity includes at least first and second inputs
  • means of introducing waste include first and second introduction channels connected respectively to the first and second inputs of the cavity, means forming press to compact and push the waste into the first and second introductory channels, and means of control to order shifted compaction and the charging of waste in the first and second cavity entrances, while maintaining the watertightness of the cavity.
  • the offset control of compaction and the charging of the waste in the two entrances of the cavity reduces the effect of idle time means of introduction, which allows an almost continuous waste in the cavity, and therefore a increased flow of treated waste.
  • Such a device also has the advantage of increasing the flow rate of treated waste without increasing the diameter of the introduction channel and thus without generating any air inlets in the cavity.
  • the two introduction channels are connected to each other by an air purge channel so to further improve the tightness of the introduction of waste in the cavity.
  • each channel introduction includes first and second ends, the first end being connected to the associated input of the cavity and comprising a guillotine shutting to order said entrance to the cavity, and the second end housing a pusher mechanism capable of moving bidirectionally on command in the introduction channel to push waste to the associated guillotine, and the means of control are suitable for synchronously controlling the displacement of the push mechanism and the opening / closing of the guillotine.
  • each channel Introduction includes a hatch to receive the waste.
  • each introductory channel is substantially parallelepipedic and substantially parallel to the longitudinal axis of the cavity.
  • the present invention also relates to a furnace of thermolysis further comprising a recovery station carbonaceous solids from the thermolysis cavity, said recovery station including an evacuation channel forming a siphon / sluice, said evacuation channel comprising a receiving tray connected to the cavity, at the bottom of which accumulate carbonaceous solids in the form of a airtight cap, and a clean recovery mechanism to drive the carbonaceous solids thus accumulated towards a separation and washing station.
  • the separation and washing station associated at the recovery station includes a clean perforated drum to turn in a settling and washing tank, especially to deliver a mixture of water and solids recoverable carbonates.
  • the separation and washing station is in additionally connected to means of water treatment comprising a plurality of settling and washing tanks connected each other and each containing a washing solution of chosen concentration, different and decreasing from the other, as well as controlled pumps and solenoid valves by salimeters and level switches, in order to purge the washing solution of a tank with a higher concentration at a predetermined threshold in the previous tray, while that the level of the washing solution of said tank is maintained constant by feeding it with the least washing solution concentrated from the next tray.
  • means of water treatment comprising a plurality of settling and washing tanks connected each other and each containing a washing solution of chosen concentration, different and decreasing from the other, as well as controlled pumps and solenoid valves by salimeters and level switches, in order to purge the washing solution of a tank with a higher concentration at a predetermined threshold in the previous tray, while that the level of the washing solution of said tank is maintained constant by feeding it with the least washing solution concentrated from the next tray.
  • the carbonaceous solids thus obtained using the oven of the type mentioned above can be used in glass oven.
  • a thermolysis plant of waste generally includes a reception and grinding of REC waste, a drying station SEC, a filling station TH thermolysis and a REP and washing station LAV of carbonaceous solids from the filling station thermolysis.
  • the reception station REC comprises a pit 2 in which are dumped the waste to be treated, transported for example 4.
  • the waste is ground for reduce the volume to be treated to a more homogeneous dimension.
  • a crane 6 picks up the waste in pit 2 to convey them to a shredder.
  • mesh of the mill 8 are for example 100 to 150 mm for promote transport and heat exchange in the thermolysis process which will be described in more detail below.
  • bulky waste (metal bars, piping) are discarded 10.
  • Crushed waste from grinder 8 are dumped into a pit 12.
  • a carpet of transfer 14 conveys the crushed products 12 to the post of Drying SEC.
  • the pit 12 serves as a buffer between the mill 8 and the transfer mat 14 which ensures a constant supply a rotary dryer 20 whose role is to remove a much of the water vapor contained in treat in order to increase their PCI (calorific value inferior).
  • the waste is likely to be sorted magnetically to eliminate ferrous metals 16. This magnetic sorting can be considered after thermolysis.
  • this drying phase can be removed, the waste entering then directly into the oven hopper thermolysis which will be described below.
  • the drying of the waste is done in a rotary chamber 22, by contact with a stream of hot air 24 from the REC receiving station.
  • This hot air 24 is warmed to passage of a gas / gas heat exchanger 30 whose Heating flux 32 comes from the thermolysis station THE.
  • the reception pit 2 is depressed, which avoids any spread of unpleasant dust and odors to opening doors during unloading of trucks 4.
  • Separation of dry products and charged steam of gas resulting from drying is then done via a separator (cyclonic chamber) 40 suitable for separating the solid products from gaseous products.
  • the separating station 40 comprises an inlet 42 receiving the waste from the SEC drying station, a first outlet 44 delivering solid waste and a second exit 46 delivering the gaseous waste.
  • thermolysis station THE includes a thermolysis furnace having an airtight, cylindrical cavity 50, and preferably rotating around its longitudinal axis.
  • the oven thermolysis further comprises an envelope 60 surrounding said cavity 50.
  • Means for introducing waste 70 receive the waste to be processed from the exit 44 of the separating station 40. The wastes thus received are then compacted and charged compacted in the cavity by preventing any entry of air in the cavity.
  • thermolysis furnace The heating of the thermolysis furnace is ensured by at least one burner 80 having a first inlet 82 receiving the waste gas 85 from the outlet 46 of the separator 40, a second inlet 84 receiving the gas stream from the outlet 54 of the cavity 50, and an outlet 86 delivering a gas flow in the envelope 60 surrounding the cavity 50.
  • This gas flow is called combustion as far as it is intended to put at a chosen temperature the waste introduced into said cavity 50 to carry out the thermolysis said waste.
  • Gas flows resulting from drying 85 and thermolysis 54 are advantageously used as oxidizers of the burner 80, which makes it possible to obtain a substantially autothermal.
  • the installation is completed by a heat exchanger 90 of gas / gas type having, at the secondary, a heated flow from the second output 46 of the separator station 40 to the first input 82 of the burner, and in primary, a flow heating from the outlet 66 of the double envelope 60 of THE thermolysis furnace.
  • the combustion chamber containing the burner 80 is advantageously lined with refractory.
  • the burner 80 is of the low type NO x for example, and capable of ensuring a temperature of 1500 ° C. at the flame and from 1000 to 1100 ° C. at the outlet 86.
  • the installation according to the invention eliminates any pollution due to dioxins, NO x , and aromatic compounds.
  • the gaseous mixture resulting from thermolysis 54 maintained at a temperature above 300 ° C (for avoid condensation of hydrocarbons), can be burned in the burner 80 without prior treatment, to the extent where it does not contain a polluting agent.
  • a capture system 550 is installed before 560 rejection to the outside.
  • This system 550 is for example composed of activated carbon equipment on which come to fix the particles of mercury.
  • the Applicant has raised the problem of improving the installation described with reference to FIG. regarding the introduction of waste into the cavity to improve the flow of treated waste.
  • the cavity 50 includes first and second inputs 51 and 53 for waste.
  • the means for introducing waste 70 comprise introduction channels 72 and 74 respectively connected to the Inlets 51 and 53 of the cavity.
  • the channel 72 includes ends 71 and 75 while the channel 74 includes ends 73 and 77.
  • the end 71 is connected to the inlet 51 of the cavity.
  • the end 73 is connected to the entrance 53.
  • a guillotine 76 housed in the canal 72 closes on command the entry 51 of the cavity.
  • a guillotine 78 housed in channel 74 closes on command entry 53 of the cavity.
  • Each channel houses a push mechanism 79,81, (for example piston or cylinder type) suitable for bidirectionally move to order in the channel associated to push the waste towards the closing guillotine the associated entrance of the cavity.
  • Control means are specific to control the movement of the push mechanism and the opening / closing of the guillotine of each introductory channel to allow, in a staggered way, the introduction of compacted and sealed bales in the cavity.
  • each introductory channel includes a hatch 85, 87, disposed opposite the hopper 83 for receiving waste.
  • each introduction channel comprises a cylinder 89,91 perpendicular to cylinders 79 and 81 to aid compaction waste in the form of sealed bales.
  • each introductory channel is substantially parallelepipedic and substantially parallel to the longitudinal axis of the cavity.
  • the transport of the waste to be treated in the hopper of reception 83 comprises for example a first monodirectional carpet 95 dumping waste on a second bidirectional carpet 97 arranged to dump waste into the hatch 85, 87 respectively of the introduction channels.
  • the two introduction channels are connected one to the other by a channel 88 suitable for performing a purge of air, in order to further improve the tightness of the introduction waste in the cavity.
  • the piston 81 is in position before while the piston 79 is in the rear position.
  • the waste 96 is raw (uncompacted) when the piston is in the back position while they are compacted when the piston is in the forward position.
  • the Applicant has also raised the problem of solving the accumulation of fine particles in the evacuation duct gases resulting from thermolysis.
  • the dedusting device consists of a screw without a core 117 inserted in the duct GA gas flow evacuation.
  • the outer diameter of the screw is substantially equal to inner diameter of the sheath, leaving a slight amount of a few millimeters. For example, a set of 4mm in total Perfectly fits in the frame of a sheath of 20 centimeters in diameter.
  • the screw without core 117 is constituted originally by a flat iron of rectangular section to which we have given a helical shape according to a certain step. The most important dimension of the flat iron section an angle of 90 ° to the inner generator of the evacuation duct.
  • the soulless screw 117 occupies an annular space. She lets free the central zone of the GA sheath. The width of the turns and the pitch of the screw are calculated according to the dust to capture and from the qualitative analysis of the configuration gas flow.
  • the screw without a core is reinforced longitudinally, especially near the drive motor MO, so avoid twisting the screw during its rotation.
  • the helical geometry of the screw induces a tangential current in rotation around the axis of the evacuation duct.
  • the geometry of the dust collector In the free central zone, the geometry of the dust collector not force the gas to acquire a tangential flow.
  • This flow configuration is stable and constitutes a flow pattern established.
  • the constraints of shearing are function of fluid density and viscosity kinematics of the same fluid.
  • the helical flow established entails a disengagement of the dust under the effect of the centrifugal force. These particles are trapped by the screw 117 forming dust collector.
  • the effectiveness of the dust collector is function of the class of particles according to the curve described with reference to Figure 7.
  • the advantage of the dust collector device according to the invention lies in its effectiveness in trapping dust from particle size greater than 2 ⁇ .
  • the lower dust flow at 2 ⁇ is very small and has no effect on the operation of the installation downstream of the screw according to the direction of propagation of the gas stream resulting from F1 thermolysis.
  • the dust removal equipment is doubled.
  • a first sheath outlet is fitted to the rear box 49 of the oven so to ensure the flow of gas.
  • an automatic or manual control in rotation the helical screw which occupies the interior of the evacuation duct via a mechanism MO drive to bring back the trapped dust in the oven in the direction F2, contrary to the direction of propagation F1 gases.
  • This operation is preceded by the filling of the pipe with a motorized shutter.
  • the order of these two operations can be automated by placing them under the dependence of a differential pressostat measuring the variation of the pressure loss after dedusting.
  • the start of the sweeping operation in the first evacuation duct is preceded by the commissioning of the second exhaust duct parallel to the first, in imperatively ordering the opening of the motorized shutter equipping this second sheath.
  • the trapping sequence of dust can then be established in the second sheath, until reaching the reference value that will trigger a new sweeping sequence identical to the previous one.
  • this outlet 54 comprises at least two evacuation ducts 102 and 104.
  • the evacuation duct 102 comprises ends 103 and 105, while the exhaust duct 104 includes ends 107 and 109.
  • the ends 103 and 107 are coupled to the fixed part (on the front side) of the rear box 49 of the furnace 50 containing carbonaceous solids MSC issues thermolysis.
  • the ends 105 and 109 are connected to a common node 110 whose output 112 is connected to the input 84 of the burner 80.
  • the ends 103 and 107 of GA sheaths are coupled to the upper (on the above) of the rear box 49 of the oven.
  • Each evacuation duct comprises a flap 114 and a mechanism of individual dusting of sheath 116.
  • the flap 114 the dust jacket is placed in a closed position, while that the shutter of the other sheath is put in open position for the evacuation of the thermolysis gases during the dedusting process dust jacket to be dusted.
  • the dedusting mechanism 116 comprises a screw without core 117 housed inside the sheath.
  • the dedusting mechanism comprises a blowing mechanism using a neutral gas or a mechanism capable of generating a vibratory impact on the sheath to dust off.
  • the invention thus involves two gas outlets and two dust separation systems, one on each sheath discharge.
  • the length of the horizontal pipe is several meters, for example 6, and the length of the screw without a soul is several meters, for example 3.
  • the soulless screw produces a helical spiral flow and plays a role of centrifugation. Moreover, the flow in spiral modeled by the screw stays on a good part the straight section of the pipe without the screw, and continues to play its role of centrifugation despite the absence of the screw. As a result, the overall efficiency the dust collector is little affected by the lengthening of the screw. So, extend the screw all the way along the pipe would, in the most likely case, be in total particles whose size is between 1.5 ⁇ and 2.5 ⁇ , which represent only less than 2% of the mass total incident particles (Figure 7). In addition, these are likely to be largely recovered by the swirling flow that is maintained on the straight length, downstream of the screw.
  • the radius of the exhaust duct may be equal to 0.1m and the not the screw can be of the order of 0.06m. In a variant, in the case of a higher waste rate, the radius of the exhaust duct may be 0.185m and the step may be 0.12M.
  • thermolysis installation includes a solid waste recovery station MSC carbonates from cavity 50, after thermolysis of waste.
  • the recovery station REP comprises a drain channel 200 forming siphon / lock and connected to the fixed part of the bottom of the oven outlet 49.
  • the evacuation channel 200 comprises a receiving tray 202, tilted from bottom to top and at the bottom of which accumulates the MSC carbonaceous solids in the form of a plug airtight.
  • a recovery mechanism 204 (of the screw type for example) conducts, from the bottom up, MSC carbonaceous solids accumulated to another SP separation washing to separate the inertes IN and the mixture of water and carbonaceous solids KK.
  • the evacuation channel 200 comprises a perforated drum 206 clean to rotate in a settling tank 208 whose output 210 is connected to the LAV water treatment which will be described in more detail below.
  • This outlet 210 delivers the mixture of water and materials KK carbonaceous solids, the valuation of which will be described below.
  • the fixed part of the bottom of the oven outlet 49 (FIGS. and 8) comprises for example two actuated valves / guillotines by a pneumatic or mechanical hydraulic cylinder ensuring the tightness of the oven at the outlet of the product MSC.
  • materials MSC solids leaving the TE thermolysis station are, according to the invention, washed and separated in the REP device described with reference to FIG. 8, inert INs on one side and in mixture of water and KK carbon solids on the other side.
  • the mixture of water and carbonaceous solids KK, from the output 210, is recovered in a series of trays 300, for wash KK materials and rid them of pollutants on carbon particles in the form of chloride or sulfate.
  • the drips 404 of the dryer 402 are then returned to the carbonaceous solids washing line.
  • the PC carbon part is directed to a 500 micron dryer self-powered by 510 gases from the heat exchangers heat 90 and 30 mentioned above.
  • Solid materials carbon stocks KK are stored 600 and transported 602 to a chosen place of use.
  • wash waters of the carbonaceous solids are treated by example by mechanical compression of steam whose operation is the next.
  • Water from the primary wash tank 302 is directed to an evaporator 304 when their salt concentration dissolved reaches a reference value. They are maintained in temperature by the permanent water circuit of the tank primary, which is heated by the flow of solids KK carbonates from the thermolysis furnace.
  • Pumps and solenoid valves controlled by salimeters and Water contactors are provided to purge the solution of washing a tank with a concentration greater than that of previous tray, while the level of the washing solution said tray is kept constant by feeding it with the less concentrated washing solution of the next tray.
  • the water vapor present in the evaporator 304 is extracted continuously by a compressor 306 and directed to a condenser 308.
  • the temperature of the condenser 308 is maintained in permanence below the dew point of the water vapor at the set pressure of the condenser by circulation of water the last rinsing tank 305.
  • the condensates to recover are recycled periodically to the last rinse tank 305 whose concentration is lower than the previous tray.
  • the salts and / or brines 310 are periodically extracted from the evaporator 304.
  • the extraction is carried out by gravity at through an airlock in the case of brine or by a screw placed in the airlock in the case of crystallized salt.
  • One of the advantages of the present invention is also not to to consume 320 water since, after treatment, the waters generated by the system, whether after drying or after evaporative condensation, are recycled. As a result, quantity of water used in the process being surplus, decompression is necessary. This operation being done after the water treatment, the volumes of water discharged at network are therefore non-polluting.
  • KK carbon solids from thermolysis thus processed and dried are likely to become a Recoverable and recoverable fuel with heating value Student.
  • These carbonaceous solids are susceptible to be stored and transported to a place of use which can be of several types. For example, cyclone melted ash making it possible to vitrify the ashes and to trap the heavy metals contained in the carbon, or bed fluidized.
  • Another use may be considered under the present invention. It consists of using the materials carbonaceous solids in glass furnace in which the product takes its interest in two essential functions that are oven heating and vitrification of the part ashes which allows to obtain ceramics.
  • the quality of the products obtained depends essentially on the choice of means of control / command, as well as their location in the thermolysis chain.
  • the control system also includes three sensors cylinder skin temperature placed on the different cylinder sections as well as temperature sensors fumes at the outlet of the oven, temperature sensors of carbonaceous solids at the furnace outlet and pressure inside the oven.
  • Thermolysis makes it possible to get rid of heavy devices fume treatment. She has a real interest in compared to incineration by its simplicity of implementation and the savings it makes in comparison other installations of the same power.
  • the dedusting system (screw without core) according to the invention may apply to any loaded gas line in solid particles.
  • the screw without soul applies mainly in cases where transport speeds are low (less than 8 m / s) and / or the temperatures of the gases are high.
  • dedusting system can be envisaged either in substitution or in addition, upstream of conventional filtration systems (ballistic filters, bag filters, cyclones, etc.).
  • the present invention finds other applications than the thermolysis of urban / industrial waste such as biomass treatment or thermal land reclamation polluted.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Processing Of Solid Wastes (AREA)
  • Enzymes And Modification Thereof (AREA)
  • Coke Industry (AREA)
  • Bakery Products And Manufacturing Methods Therefor (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Filtering Materials (AREA)
  • Treatment Of Sludge (AREA)
  • Baking, Grill, Roasting (AREA)
  • Vending Machines For Individual Products (AREA)
  • Glass Compositions (AREA)
  • Insulated Conductors (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Gasification And Melting Of Waste (AREA)
EP99923680A 1998-06-08 1999-06-07 Four de thermolyse a depoussierage de la sortie du flux gazeux resultant de la thermolyse Expired - Lifetime EP1093506B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9807177A FR2779441B1 (fr) 1998-06-08 1998-06-08 Four de thermolyse a double entree de dechets
FR9807177 1998-06-08
PCT/FR1999/001333 WO1999064539A1 (fr) 1998-06-08 1999-06-07 Four de thermolyse a depoussierage de la sortie du flux gazeux resultant de la thermolyse

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EP1093506A1 EP1093506A1 (fr) 2001-04-25
EP1093506B1 true EP1093506B1 (fr) 2003-04-02

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EP99923680A Expired - Lifetime EP1093506B1 (fr) 1998-06-08 1999-06-07 Four de thermolyse a depoussierage de la sortie du flux gazeux resultant de la thermolyse

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EP (1) EP1093506B1 (ja)
JP (1) JP4327358B2 (ja)
KR (1) KR100628290B1 (ja)
AT (1) ATE236233T1 (ja)
AU (1) AU743972B2 (ja)
BR (1) BR9910988A (ja)
CA (1) CA2334638C (ja)
CZ (1) CZ302188B6 (ja)
DE (1) DE69906529T2 (ja)
ES (1) ES2196807T3 (ja)
FR (1) FR2779441B1 (ja)
NZ (1) NZ508718A (ja)
PL (1) PL198508B1 (ja)
PT (1) PT1093506E (ja)
WO (1) WO1999064539A1 (ja)

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FR2937330B1 (fr) * 2008-10-20 2010-11-19 Inst Francais Du Petrole Dispositif et procede de thermolyse d'une charge carbonee
WO2010052232A2 (en) * 2008-11-04 2010-05-14 Sterecycle Ltd Process for treatment of materials in a vessel
ES2362781B2 (es) * 2009-12-30 2012-09-28 Pirorec, S.L Procedimiento e instalación para el reciclado íntegro mediante despolimerización.
PL237169B1 (pl) * 2017-08-30 2021-03-22 Filen Spolka Z Ograniczona Odpowiedzialnoscia Zgazowarka wysokociśnieniowa i sposób sterowania jej pracą
PL71396Y1 (pl) * 2018-03-19 2020-05-18 Akademia Gorniczo Hutnicza Im Stanislawa Staszica W Krakowie Urządzenie do podawania materiału do reaktora pirolitycznego
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BR9910988A (pt) 2001-02-13
CA2334638A1 (fr) 1999-12-16
DE69906529T2 (de) 2004-01-15
DE69906529D1 (de) 2003-05-08
CZ20004571A3 (en) 2001-05-16
EP1093506A1 (fr) 2001-04-25
PL344871A1 (en) 2001-11-19
AU743972B2 (en) 2002-02-14
NZ508718A (en) 2002-10-25
CZ302188B6 (cs) 2010-12-08
WO1999064539A1 (fr) 1999-12-16
PT1093506E (pt) 2003-07-31
AU4046199A (en) 1999-12-30
JP4327358B2 (ja) 2009-09-09
JP2002517599A (ja) 2002-06-18
PL198508B1 (pl) 2008-06-30
ES2196807T3 (es) 2003-12-16
ATE236233T1 (de) 2003-04-15
FR2779441B1 (fr) 2000-08-11
KR100628290B1 (ko) 2006-09-27
KR20010071432A (ko) 2001-07-28
FR2779441A1 (fr) 1999-12-10
CA2334638C (fr) 2009-08-18

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