EP2406344B1 - Vorrichtung und verfahren zur dosierung oder absperrung primärer verbrennungsluft in den primärheizraum von horizontalen koksofenkammern - Google Patents

Vorrichtung und verfahren zur dosierung oder absperrung primärer verbrennungsluft in den primärheizraum von horizontalen koksofenkammern Download PDF

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Publication number
EP2406344B1
EP2406344B1 EP10711548.7A EP10711548A EP2406344B1 EP 2406344 B1 EP2406344 B1 EP 2406344B1 EP 10711548 A EP10711548 A EP 10711548A EP 2406344 B1 EP2406344 B1 EP 2406344B1
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EP
European Patent Office
Prior art keywords
coke oven
primary
cover
air
combustion air
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
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EP10711548.7A
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German (de)
English (en)
French (fr)
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EP2406344A1 (de
Inventor
Ronald Kim
Alfred Mertens
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ThyssenKrupp Industrial Solutions AG
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ThyssenKrupp Industrial Solutions AG
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    • 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
    • C10B15/00—Other coke ovens
    • C10B15/02—Other coke ovens with floor heating
    • 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
    • C10B21/00—Heating of coke ovens with combustible gases
    • C10B21/10—Regulating and controlling the combustion
    • 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
    • C10B27/00—Arrangements for withdrawal of the distillation gases
    • C10B27/06—Conduit details, e.g. valves

Definitions

  • the invention relates to a coke oven with a device for metering and blocking of air supply devices of primary combustion air in the Primäreuerraum a coke oven chamber, wherein the device is designed as a cover that can be gradually moved away from the air supply device, so that the zuandde amount of air can be controlled accurately.
  • the number of stages can be from two to infinity, so that the entering air flow is arbitrarily fine regulated.
  • the device also serves to cover the air supply device from the weather.
  • the device is also distinguished from the prior art in that it sits outside the coke oven chamber on the air supply device and is therefore easily accessible. The arrangement of the device, the dosage can be easily controlled and automated.
  • the invention also relates to a method for metering primary combustion air into a primary heating chamber of a coke oven chamber with the apparatus used according to the invention.
  • Coal coking is often carried out in "heat recovery” or “non-recovery” coke ovens which completely burn the coking gases produced during coking and utilize the combustion heat of the coking gases to heat the coal in the coking process.
  • the heat of the burned coking gas used for heating the coal cake is additionally used by a steam generator to generate energy, for example by means of a downstream turbine.
  • the coke ovens are typically used sequentially in arrays of multiple coke oven compartments, with successive arrays of non-recovery or heat recovery coke oven compartments being called coke oven banks, and sequential arrays of coke oven compartments of conventional type coke oven batteries.
  • the coking gas produced during coking has a considerable calorific value.
  • the coking gas is burned in two steps.
  • the resulting coking gas is first passed into a headspace located above the coke cake within the coke oven chamber where it is burned with a substoichiometric amount of air. This air will be primary air or primary Called combustion air.
  • the gas space above the coke cake is often called Primäreuerraum.
  • the partially burned coking gas is conducted from the primary heating space via so-called "downcomer" channels into a secondary combustion space in which complete combustion of the coking gas takes place.
  • the coke cake is heated from below, whereby a uniform heating of the coke cake is achieved from all sides. The result is an improved and above all uniform quality of the obtained coke.
  • the WO 2006/128612 A1 describes a device for supplying primary combustion air into a coking chamber of a coke oven of the type "non-recovery" or "heat-recovery”.
  • the device prevents the primary heating chamber of the coking chamber from being spatially unevenly ventilated and the heat distribution in the coking chamber being uneven.
  • the primary air is admitted at a plurality or a plurality of positions in the ceiling of the coke oven chamber, so that the inlet of the primary air is precisely sized and variably controlled over the duration of the cooking time. In this way it is prevented that the intake combustion air already reacts immediately after entering the furnace and combustion is limited only to the inlet region of the primary air.
  • the regulation of the air access is made by a control device not described in detail.
  • the US 6187148 B1 describes a valve as a device for regulating a pressure equalization between the primary heating chamber and the secondary heating chamber or the secondary air soles of a "heat recovery” or “non-recovery” coke oven, which is used for pressure equalization between the Primärsortraum and Sekundärsortraum a coke oven chamber. Since especially at the beginning of the coking process by the impressions of the cold coal cake in the coke oven chamber, there is a negative pressure, the entry of the primary air, which takes place in said teaching through openings in the coke oven chamber and overlying flaps, can be controlled only poorly.
  • the invention provides valves in the "down comer" channels that provide pressure equalization between the primary boiler room and the secondary boiler room of a coke oven chamber. If necessary, the valves can also be used for the admission of secondary combustion air into the secondary heating space. A control of the intake of primary combustion air is not described.
  • the valves are not easy to use because they are housed in the door-facing sides of the coke oven chamber and are equipped with a rotary tube as a shut-off device. However, a rotary tube tends to be fixed at the prevailing high temperatures and is therefore susceptible to repair. Also, the space required for such a device is considerable.
  • the CN 1358822 A describes a coke oven consisting essentially of a furnace body, a main wall of the coke oven chamber, a furnace bottom, an oven door with a fitted oven door opening, a coke loading machine, a coke ejector, a coke catcher with extinguishing means, and a parts repair machine with iron tools.
  • a coke oven consisting essentially of a furnace body, a main wall of the coke oven chamber, a furnace bottom, an oven door with a fitted oven door opening, a coke loading machine, a coke ejector, a coke catcher with extinguishing means, and a parts repair machine with iron tools.
  • coke quality can be increased with varying source coals while still reducing coke costs. the heat recovery is good.
  • the teaching describes a flap for primary air openings on the ceiling of coke oven chambers, whose movement and adjustment mechanism, also in dependence on the coking process, is not further disclosed.
  • the DE 102005015301 A1 describes a method of producing coke in a coking chamber of a non-recovery type or heat recovery type coke oven wherein the coking chamber is filled with a layer of coal which heats coal and volatiles of carbon from the coal outgas, these volatile coal components are partially oxidized by means of substoichiometric air directly above the coal bed, below the coking chamber a combustion system for combustion of unburned volatile carbon constituents, as well as the gases produced in the partial oxidation, the coking chamber contains side walls in which the channels are recessed, these channels connect the upper coke-free part of the coking chamber on the gas side with the combustion system below the coking chamber, the volatile coal constituents partially oxidized above the coal layer pass through the channels into the combustion systems located below the coking chamber, both the coking chamber and the combustion system have means for limited supply of air, the combustion of the volatile coal constituents by means of air both in the coking chamber above the coal bed as even in the combustion system below arranged incomplete as partial oxidation
  • the WO 2007057076 A1 describes a ventilation device for "non-recovery" coke ovens, wherein the ventilation device consists of at least one opening which passes through the wall by internals, such as the oven door and the furnace interior with the outer atmosphere surrounding the furnace, and by means of a closure element entirely or partially closed.
  • the ventilation device consists of at least one opening which passes through the wall by internals, such as the oven door and the furnace interior with the outer atmosphere surrounding the furnace, and by means of a closure element entirely or partially closed.
  • two or more of these closure elements are coupled by means of a mechanical connecting element by the connecting element is attached to the closure elements directly or via levers, and each connecting element is connected to at least one central actuating element such that the closure elements can be moved, wherein the respective openings closed , completely open or can be adjusted to any intermediate position.
  • the openings for the entry of primary air in the coke oven chambers are embedded in the coke oven chamber doors, so that the entry of primary air is admitted only in the environment of the coke oven chamber doors in the coke oven chamber.
  • the control is typically done with closure plates or screw spindles.
  • the metering should be done by a device that is mounted on unregulated air supply devices and shut off both the air supply device as well To be able to meter or regulate gas flow.
  • the metering device should be mountable on a single air supply device so that it can be mounted both simply and multiply.
  • the device should be both stepped and infinitely adjustable.
  • the device for metering and blocking should be controllable both manually and with a servomotor, so that they can be automated if necessary.
  • the device used according to the invention is intended to reliably prevent the ingress of water during rainfall.
  • the invention solves this problem by a device which is designed as a lid, and which can be placed on the device for air supply.
  • This device which is in the form of a lid, performs the dosing by lifting it from the air supply, which can be done both by vertical lifting and lateral folding away. By doing so, the device is easy to assemble and operate and also requires little maintenance.
  • the device can also be easily installed into existing coke oven chambers with air inlets through the coke oven chamber ceiling through the outdoor attachment.
  • the lifting can be carried out by introducing latching stoppers both in at least two stages and in the absence of these stoppers by counterweights sufficiently holding joints in infinite gradation, or in other words, continuously.
  • the actual device is designed as a lid and may for example be shaped like an inverted cup. This ultimately means that it is a plate, with a down-shaped, collar-shaped orbit is provided. But it may also be a hollow cone having a downwardly open side, thus covering the air supply device with the top up as by a hat. Finally, the metering device can also consist of a solid cone, which is retracted with the tip down into the air supply device and thus shuts it off gradually.
  • the device may be mounted on a single air supply device or on several.
  • the invention also has the advantage that the interior of the coke oven chamber wall is protected from the weather. Especially in tropical countries, there are often heavy downpours, which occur regularly and represent a major problem in the operation of horizontal coke oven chambers. In heavy rainfall, water will continue to flow through the primary air ducts into the coke oven chamber, which can significantly disrupt the operation of the furnace and destroy furnace masonry. By the device used in the invention, the penetration of water is reliably prevented in rainfall.
  • the air supply or the air supply lines themselves are in the most common embodiment as pipes, so that the device used according to the invention sits like a cover on the pipe and thereby shuts it off.
  • the pipes can be simply guided vertically through the ceiling or as U-pipes, which open with the open end downwards.
  • the shut-off device used according to the invention sits horizontally mirrored with the collar-shaped bulge upwards.
  • the air supply devices may also have a rectangular cross section and lead vertically or obliquely through the ceiling.
  • the channels can also be made of masonry, which then form an inlet in the Koksofendecke.
  • the air inlet duct may also form an upward projection of masonry.
  • the air inlet devices can be designed arbitrarily and also have inserts to the direction of the introduced primary air.
  • the channels or pipes for air supply may be provided in the ceiling with a sealing material.
  • the r used according to the invention device for metering or blocking itself can also be arbitrarily shaped.
  • the device used as a cover according to the invention may be formed as a disc having a collar-shaped, directed to the coke oven chamber cover so that the cover has a cross-section which has the shape of an upside-down cup, which must be larger in cross-section than the air supply to be covered, to exercise the function of the invention can.
  • the cup can be arbitrarily shaped.
  • the cup may have the central section of a straight line with two straight lines branched off at 60 °.
  • the cup can also have the shape of a curved "W" s, the cups are used in inverted form.
  • the device used for metering or blocking according to the invention can also be embodied as an inverted hollow and downwardly open cone, wherein the hollow cone has the central cut surface in the form of an inverted "V" s.
  • the inverted hollow cone is larger at the location of the largest cross section in cross section than the air supply to be covered.
  • the "V" can be curved, or, in other words, not pointed.
  • the hollow cone can be shaped arbitrarily, as long as it fulfills its covering task.
  • the capping and dosing device may be a simple flap that is not attached to the air supply device is attached.
  • the device can be raised or lowered by a rod with a moving mechanism.
  • the cover can also be a solid cone, which is moved into the air-supplying device, so that the air-supplying device or the tube closes by moving in.
  • the massive cone can also be made as a hollow, but on all sides closed cone. This fulfills the covering function also by being moved with the tip in the air-supplying device, and thereby shut off. But he may be cheaper to manufacture.
  • the covering device used according to the invention can also be shaped as a simple plate as long as it fulfills its covering function.
  • the covering, inventively used device may eventually be arbitrarily shaped, as long as it fulfills its task according to the invention.
  • the device used according to the invention can be made of any material that can withstand the high temperatures of the coke oven chamber ceiling sufficiently. This can be for example stainless steel, but this can also be ceramic or stone.
  • the device used according to the invention can also be equipped with seals or locking devices.
  • the device used according to the invention may also have thickenings on the inner side, which can be retracted into the air supply device and thus additionally seal it tightly. These are preferably made of refractory material. This is helpful, especially during the start-up phase. These thickenings can be raised or lowered with screwing devices relative to the device for covering and dosing used according to the invention.
  • the device used according to the invention is moved away from the air supply, so that it opens the air-supplying device.
  • the air-supplying device is an inverted cup, it is moved away from the air-supplying device by lifting. In the closed position, it simply rests on the tube so that it closes.
  • the cup is connected downwardly with a rod so that it is connected to a hydraulic lifting cylinder. This hydraulic jack raises or lowers the inverted cup so that it shuts off the tube in the lowered form.
  • the device can be two-stage ("open” - "closed") or lowered with any number of stages to infinity or be lifted.
  • the device for opening or closing can also exert the desired function by pivoting away sideways. This is done by a hinge device which is attached to the covering device. This can be in any Swing away directions. Also, the pivoting process can be done in a number of stages from two to infinity ("stepless").
  • the covering device is a solid cone, then it is usually moved only by lifting or lowering, since pivoting away is generally not possible. In principle, however, any device is conceivable which moves the covering device back and forth from the air-supplying device.
  • the cover is usually larger in cross-section than the air-supplying device or the tube in order to ensure complete coverage can. Even an incomplete covering device is conceivable, but is rarely performed.
  • Typical largest cross sections for a cover used according to the invention are 80 to 280 millimeters.
  • Typical largest cross sections for air supply lines or pipes, which are equipped with the cover used according to the invention are 50 to 250 millimeters.
  • the tubes are 50 to 1200 mm high in a typical embodiment.
  • the air supply can be provided on the inside with air-conducting devices.
  • the air supply may be equipped on the inside, for example with a constriction, which exerts a Venturi effect on the incoming gas. As a result, the speed of the incoming air flow is increased.
  • the air supply can also be provided with baffles.
  • the air supply can also be provided on the inside of the coke oven chamber with gas-conducting devices or nozzles. If the covering device is a plate or cup, it may be provided with an opening or sight glass for viewing or accessing the areas under the cover.
  • air ducts are arranged so that they are arranged individually and repeatedly on the ceiling of coke oven chambers.
  • manifolds that suck the air centrally and distribute them to the individual air ducts.
  • An example of a manifold, which serves for the gas version of several equipped with gas-carrying tubes coking is the GB 384092 , Within the individual gas-carrying tubes flaps (18) are provided as a metering device. An externally mounted metering device with covering effect is not described.
  • a collecting pipe which supplies the primary combustion air from the outside and these into the individual air supply pipes of the primary combustion chamber (s) a Koksofenbatterie or Koksofenbank distributed, be provided with a device according to the invention for shutting off or dosing on the coke oven chamber remote from the outer end of the manifold.
  • the device used in the invention is easy to assemble, is inexpensive and can be easily maintained or cleaned of dirt.
  • the device for metering and blocking on only one air feed of one or more coke oven chambers of a coke oven battery or a coke oven and to use for controlling the air inlet.
  • This can be attached at any point, in which case also other air inlet devices may be present, which are unregulated.
  • the apparatus used according to the invention it is likewise possible for the apparatus used according to the invention to be seated on a plurality of air inlets of one or more coke oven chambers of a coke oven battery or a coke oven bank and to be used to regulate the admission of air.
  • all the air inlets of a coke oven chamber can be provided with the device according to the invention used for shutting off. These can in any case be regulated individually or simultaneously.
  • the operation can be done manually remotely using a lever, a cable or a linkage.
  • the drive of the device used according to the invention can also be carried out hydraulically or electrically. This can for example be done directly on the cover or from a distance, for example via a lever.
  • the method can also be automated when using a hydraulic or electrical device, for example with a process control.
  • sensors which detect, for example, the temperature or the oxygen content in the coke oven chamber or in the primary heating space.
  • sensors which detect the position of the device used according to the invention it is also possible to use the device when a light and constant overpressure is generated by a blower or a compressor in the air supply device.
  • the inventively used device is easy to assemble, since it is applied from the outside to the air supply device and can be easily retrofitted. It is low maintenance and easy to clean from dirt. Due to the nature of the arrangement, the space requirement of both the device and the coke oven chamber equipped with it is low.
  • the admission of air into a primary heating chamber can be easily regulated, so that a uniformly distributed air supply into the primary heating space and a correspondingly improved quality of the coke obtained are achieved.
  • the device used according to the invention for covering and dosing can be operated with a method that is easy can be automated and controlled by measuring parameters in the coke oven chamber.
  • FIG. 1 describes a device used according to the invention (1) for metering and blocking an air supply (2) in the primary heating chamber (3) of a coke oven (4). From the coke oven furnace, the ceiling (5) can be seen and part of the Primäreuerraumes (3).
  • the actual device used according to the invention for the cover (1) is an inverted cup (1a) , which has a round, collar-shaped, directed to the coke oven chamber cover (1b) , through which the air supply ( 6) is shut off, as these on the air supply device ( 2) rests.
  • the shut-off device is fixed on the inside with a rod (7) .
  • This in turn is connected to a hydraulic cylinder (8) which is moved up and down by a suitable hydraulic device.
  • the hydraulic device is moved by means of a servomotor (8a) which is connected to a control device (8c) via connecting cable (8b) .
  • FIG. 2 shows the same device that has been opened by the hydraulic cylinder (8a) .
  • the hydraulic cylinder (8) moves up the rod (7) , which also moves the cup (1a) upwards.
  • the device (1) contains here an inspection opening (9) with handle (9a), which is suitable for the inspection of the interior.
  • FIG. 3 also shows the same device (1), which instead of the inspection opening, a thickening (1c) arranged in the inner region of the inverted cup (1a) , which can be retracted into the air supply device (2) and thus closes it.
  • This device is also by a rod (7) with a hydraulic cylinder (8) to move automatically.
  • FIG. 4 also shows the same device (1), which contains a thickening (1c ) arranged inside the inverted cup (1a) , which can be retracted by a screwing device ( 1d) , ie separated from the flap (1) inserted according to the invention into the air supply device (2 ) is retractable.
  • This device (2) is by a rod (6) with a hydraulic cylinder (7) to move automatically.
  • FIG. 5 also describes a device (1) used according to the invention for metering and blocking an air feed (2) into the primary heating chamber (3) of a coke oven (4).
  • the shut-off device is a hollow inverted cone (1e) which is open at the bottom.
  • the hollow cone carries a handle (10) with which the entire hollow cone (1e) manually (10a) can be pivoted sideways.
  • the hollow cone itself is attached via a rod with joints (7a) .
  • the air supply (2) is provided on the coke oven chamber side of the ceiling (5) with spouts (11) .
  • FIG. 6 shows the device (1) with hollow cone (1e) in open form. Through the spouts (11) primary air (6b) is directed directed.
  • FIG. 7 also describes a device (1) used according to the invention for metering and blocking an air feed (2) into the primary heating chamber (3) of a coke oven (4).
  • the device (1) consists of a solid, closed cone (1f) which is moved into the opening (2a) of the air-supplying device (2) and thereby closes it.
  • the air-feeding device (2) contains constrictions to increase the gas velocity (12) for the inflowing primary air (6).
  • FIG. 8th shows this device (1f) in the closed position. The movement takes place via a hydraulic cylinder (8), which is operated via a hydraulic adjusting device. This in turn is controlled via a servomotor (8a) via connecting cable (8b) with control device (8c) . Below the coke oven chamber ceiling (5) , the primary heating chamber (3) can be seen.
  • FIG. 9 describes a device used according to the invention (1) for metering and blocking an air supply (2) in the primary heating chamber (3) of a coke oven (4).
  • the air-supplying device (2) can be seen.
  • This is shaped in the central cross section as a curved "W" (1g) . This makes it possible to cover these more than the pipe air supplying device (2).
  • FIG. 10 describes a device used according to the invention (1), which is a simple flap (1h) , so that it covers the air supply by folding down (1 i).
  • the folding down is controlled by a lever (7) which is moved by a hydraulic cylinder (8) . This is moved by a servomotor (8a) .
  • the flap is movably suspended on a support bar (1j) .
  • FIG. 11 describes a device (1) used according to the invention , which covers an air supply device ( 2) in a coke oven chamber (4) , wherein both devices are made of a mineral or stone-like material.
  • the inventively used device for covering and dosing (1) is a reversed hollow cone (1 k) , which is made of a ceramic material.
  • the device the air feed (2) into the coke oven chamber (4) is made of bricks (2a) as a brick projection air supply duct (2b) form.
  • the device for dosing and covering (1) is opened by lateral folding away.
  • FIG. 12 Finally, the arrangement of the device (1) used according to the invention in a horizontal coke oven chamber (4) of the type "non-recovery” or “heat-recovery".
  • the device according to the invention for metering and blocking (1) is provided as a lid with a round, collar-shaped collar (1b) , which is arranged above the air-supplying device (2) , which is here as a tube. This can be swung laterally with a hinge device (7a) , whereby the air supply (2) is opened or closed.
  • On display here are the coke cake (13), the coke oven chamber doors ( 14), the "downcomer” channels (15) with openings (15a), the secondary heating chamber ( 16) and the secondary air sole (17).
  • the secondary air sole (17) contains openings (17a), which are also equipped with metering and shut-off devices that regulate the secondary air flow.
EP10711548.7A 2009-03-11 2010-02-13 Vorrichtung und verfahren zur dosierung oder absperrung primärer verbrennungsluft in den primärheizraum von horizontalen koksofenkammern Not-in-force EP2406344B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009012264A DE102009012264A1 (de) 2009-03-11 2009-03-11 Vorrichtung und Verfahren zur Dosierung oder Absperrung primärer Verbrennungsluft in den Primärheizraum von horizontalen Koksofenkammern
PCT/EP2010/000896 WO2010102707A1 (de) 2009-03-11 2010-02-13 Vorrichtung und verfahren zur dosierung oder absperrung primärer verbrennungsluft in den primärheizraum von horizontalen koksofenkammern

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EP2406344A1 EP2406344A1 (de) 2012-01-18
EP2406344B1 true EP2406344B1 (de) 2016-09-28

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EP10711548.7A Not-in-force EP2406344B1 (de) 2009-03-11 2010-02-13 Vorrichtung und verfahren zur dosierung oder absperrung primärer verbrennungsluft in den primärheizraum von horizontalen koksofenkammern

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US (1) US8409405B2 (es)
EP (1) EP2406344B1 (es)
JP (1) JP5576410B2 (es)
KR (1) KR20110125669A (es)
CN (1) CN102348781B (es)
AR (1) AR076069A1 (es)
AU (1) AU2010223644B2 (es)
BR (1) BRPI1006188A2 (es)
CA (1) CA2755145A1 (es)
CL (1) CL2011002250A1 (es)
CO (1) CO6362037A2 (es)
CU (1) CU20110172A7 (es)
DE (1) DE102009012264A1 (es)
EA (1) EA201190185A1 (es)
MX (1) MX2011009472A (es)
NZ (1) NZ595596A (es)
PE (1) PE20120837A1 (es)
TW (1) TW201102422A (es)
UA (1) UA102428C2 (es)
WO (1) WO2010102707A1 (es)

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EP2962566A1 (en) * 2008-10-31 2016-01-06 Genentech, Inc. Pyrazolopyrimidine jak inhibitor compounds and methods
US7998316B2 (en) 2009-03-17 2011-08-16 Suncoke Technology And Development Corp. Flat push coke wet quenching apparatus and process
DE102012002963A1 (de) * 2012-02-16 2013-08-22 Thyssenkrupp Uhde Gmbh Verfahren und Vorrichtung zur flächenoptimierten Zuführung von Verbrennungsluft in den Primärheizraum einer Koksofenkammer des Typs "Non-Recovery" oder "Heat-Recovery"
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CO6362037A2 (es) 2012-01-20
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WO2010102707A1 (de) 2010-09-16
AU2010223644A1 (en) 2011-09-22
JP5576410B2 (ja) 2014-08-20
JP2012519764A (ja) 2012-08-30
MX2011009472A (es) 2012-01-12
CN102348781A (zh) 2012-02-08
CU20110172A7 (es) 2012-06-21
AR076069A1 (es) 2011-05-18
CA2755145A1 (en) 2010-09-16
UA102428C2 (ru) 2013-07-10
TW201102422A (en) 2011-01-16
CL2011002250A1 (es) 2012-01-27
PE20120837A1 (es) 2012-08-08
CN102348781B (zh) 2014-11-19
EA201190185A1 (ru) 2012-04-30
US8409405B2 (en) 2013-04-02
BRPI1006188A2 (pt) 2016-03-01
DE102009012264A1 (de) 2010-09-16
KR20110125669A (ko) 2011-11-21
EP2406344A1 (de) 2012-01-18
US20110315538A1 (en) 2011-12-29

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