EP1085283B1 - Einrichtung zur Reinigung und Verbrennung von Schachtofenabgasen - Google Patents
Einrichtung zur Reinigung und Verbrennung von Schachtofenabgasen Download PDFInfo
- Publication number
- EP1085283B1 EP1085283B1 EP00119877A EP00119877A EP1085283B1 EP 1085283 B1 EP1085283 B1 EP 1085283B1 EP 00119877 A EP00119877 A EP 00119877A EP 00119877 A EP00119877 A EP 00119877A EP 1085283 B1 EP1085283 B1 EP 1085283B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- preheater
- waste gas
- duct
- air
- combustion chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
- F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/002—Evacuating and treating of exhaust gases
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/003—Arrangements of devices for treating smoke or fumes for supplying chemicals to fumes, e.g. using injection devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/006—Layout of treatment plant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
- F23J15/027—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using cyclone separators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B1/00—Shaft or like vertical or substantially vertical furnaces
- F27B1/10—Details, accessories, or equipment peculiar to furnaces of these types
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B1/00—Shaft or like vertical or substantially vertical furnaces
- F27B1/10—Details, accessories, or equipment peculiar to furnaces of these types
- F27B1/22—Arrangements of heat-exchange apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
- C21B2100/44—Removing particles, e.g. by scrubbing, dedusting
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
- C21B2100/64—Controlling the physical properties of the gas, e.g. pressure or temperature
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
- C21B2100/66—Heat exchange
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2900/00—Special arrangements for conducting or purifying combustion fumes; Treatment of fumes or ashes
- F23J2900/15081—Reheating of flue gases
Definitions
- the invention relates to a device for cleaning and combustion of shaft furnace emissions, with a heat exchanger, a filter and one Combustion chamber.
- FIG. 1 Facilities of the type mentioned here for cleaning and combustion of shaft furnace emissions at least two heat exchangers, a filter and a combustion chamber.
- the shaft furnace exhaust gases are first a filter supplied in which dust is separated.
- the filtered shaft furnace emissions occur directly or via one of the preheating of the shaft furnace exhaust serving heat exchanger in the combustion chamber on.
- the exiting from the combustion chamber Pure exhaust gas then becomes a next heat exchanger, in which the shaft furnace air is preheated.
- Some systems are equipped with an additional heat exchanger for preheating or cooling the in Filter entering shaft furnace exhaust gases equipped.
- the facilities mentioned have a number of Disadvantages on.
- the shaft furnace exhaust gases contain in addition the solid components also gaseous components, especially carbon monoxide, sulfur dioxide and hydrogen sulfide.
- gaseous components especially carbon monoxide, sulfur dioxide and hydrogen sulfide.
- At higher Temperatures of over 200 ° C cause this to hot shaft furnace exhaust gases a burning through of the Material from which the filter is made.
- the disadvantageous Arrangement of the mouth of the shaft furnace exhaust into the combustion chamber causes an incomplete and unstable combustion. The small volume the combustion chamber and the incorrect entry position of secondary air leads to an irregular Combustion and increased fuel consumption.
- Such devices are also disadvantageous the vacuum regulation and the quantity regulation of the Shaft furnace air by means of servomotors Regulating flaps because they are unstable and as a result continuous full load operation of the fan lead to excessive energy consumption.
- Explosion protection is also not guaranteed with the help of explosion flaps and / or rupture disks, since their insufficient number and their unfavorable arrangement does not guarantee safe operation.
- the shaft furnace exhaust filters are usually with bottom brackets equipped discharge screws, which often leads to bearing damage.
- the filter downstream heat exchangers allow damage or dust clogging not normal Cleaning or no normal exchange the bundle.
- the disadvantages just mentioned become essentially by establishing the ones addressed here Type for cleaning and burning shaft furnace exhaust eliminated that a system of heat exchangers, a filter and a combustion chamber having.
- the facility is characterized by a Preheater / cooler for shaft furnace exhaust from the over an air damper with a cooling air pipe and via a discharge flap with an auxiliary discharge exhaust pipe for hot gases and the at the same time via the route of an exhaust pipe via a filter and a preheater for the exhaust gas is connected to the combustion chamber via the path of a connected discharge line a preheater for the furnace air and the preheater for the Exhaust gases associated with a fireplace, being the combustion chamber consists of two parts, from where the first part forms a combustion zone, in which a burner for exhaust gases, a burner for added Fuel and a secondary air intake flow, and the second part of which is a reaction and forms cooling zone into which a cooling air inlet opens, the combustion zone with at least a temperature sensor for three temperature controllers is provided.
- the first temperature controller with a servomotor of a valve one Fuel pipeline and with a flap one Primary air pipe
- the second temperature controller with a servomotor of a flap of the discharge line and a flap of the hot gas bypass of the exhaust gas preheater
- the third temperature controller with one Servomotor of a flap of the secondary air inlet connected is.
- the preheater / cooler has its own Heat exchanger in the form of a vertically oriented Has tube bundle.
- the preheater / cooler is a mixing chamber having a pipeline for a reactant is provided.
- a temperature sensor is provided behind the preheater / cooler in the Exhaust pipe is that with servomotors of the flaps in the pipeline the cooling air and the auxiliary discharge line connected is.
- Venturi tube is arranged behind the filter is in front of a flap in the exhaust pipe is installed with a pneumatic drive that is connected to the venturi tube.
- the figure shows an example of a device for Cleaning and combustion of shaft furnace emissions, which comprises a system of heat exchangers a preheater / cooler 1 for shaft furnace emissions, one Preheater 3 for exhaust gases, a preheater 4 for Air from the shaft furnace. Furthermore, the Set up a filter 2 and combustion chamber 5 on.
- the exhaust gases from the shaft furnace are through a Exhaust pipe 9 first the preheater / cooler 1 fed where it either with through the air pipe 6 supplied cooling air cooled or with hot gases supplied through the auxiliary discharge line 8 heated to a temperature of 150 to 230 ° C. become.
- the cooling air or the hot gas are through a fan 7 promoted by the preheater / cooler. This temperature is for known filter materials suitable and for securing the high Desulfurization efficiency favorable.
- the flow is the cooling air through the air pipe 6 by a arranged in front of the preheater / cooler 1 Air flap 10 regulated.
- the flow of hot gas through the auxiliary discharge line 8 is through a discharge flap 11 regulated in the discharge line 8, the with a chimney 44 or with a hot gas outlet is connected from the exhaust gas preheater 3.
- the control of the air flap 10 and the exhaust flap 11 takes place by means of servomotors 12, 13, in their electrical circuit 130 a temperature sensor 71 is provided, which is in the exhaust pipe 9 is arranged in front of the filter 2.
- the preheater / cooler 1 has a mixing chamber 15 and one own tube-shaped heat exchanger 14, in flow vertically downwards.
- Such one Pipe bundle arrangement has a self-cleaning effect, because larger dust particles along the flow along the entire tube bundle length.
- the secluded Dust is removed from the mixing chamber 15 through a discharge nozzle 61 by means of a drive 63 Dust discharge device 62 removed.
- Exhaust gases exit preheater / cooler 1 then through the exhaust pipe 9 into the filter 2, the one with corrosion-resistant baskets 95 and one Screw conveyor 17 is equipped, which only with external, Bearings not shown in the drawing is provided.
- the screw conveyor 17 is one Electric motor 80 driven.
- the filter 2 is a discharge pipe 18 with built-in dust discharge device 19 is provided, which is driven by a drive 20.
- the exhaust gases from the preheater / cooler 1 and the filter 2 then enter through the exhaust pipe 9 the exhaust gas preheater 3, the one with a butterfly valve 22 having hot gas bypass 21 equipped is.
- the construction of the exhaust gas preheater 3 facilitates cleaning and replacement of preferably interchangeable registers 90, for example are designed as a tube bundle.
- Housing 23 of the exhaust gas preheater 3 is inside, for example insulated with ceramic fibers.
- the exhaust gases are extracted from the shaft furnace by means of a fan 24, which is in the exhaust pipe 9 between the filter 2 and the exhaust gas preheater 3 is arranged. From the exhaust gas preheater 3, the exhaust gases through the exhaust pipe 9 in the exhaust burner 25 of the combustion chamber 5 guided.
- the combustion chamber 5 consists of a part 26, which forms a combustion zone which is advantageous provided with a hard lining and horizontal is arranged, and a part 27, which as Reaction and cooling zone is used.
- the second part 27 is advantageous with an insulation made of ceramic fibers lined and arranged vertically.
- In the first part 26 open into the exhaust pipe 9 connected exhaust burner 25 and an additional Burner 28 for additional fuel passing through a fuel pipe provided with a valve 30 29 is supplied. Both the exhaust burner 25 and the additional burner 28 are included Primary air supplied by means of an air fan 31 is fed through a pipeline 32, in which one operated by means of a servo motor 46 Flap 33 is arranged.
- the servo motor 46 controls in addition to the flap 33, the valve 30 of the fuel pipeline 29.
- In the first part 26 of the Combustion chamber 5 opens out from an air fan 31 coming here and through a branch line 35 introduced a secondary air inlet 34.
- the Branch line 35 has a flap 36 which of a secondary air servo motor 37 is controlled.
- Combustion chamber 5 opens from one Air fan 39 coming here and through a Pipeline 60 guided a cooling air inlet 38 Pipeline 60 is provided with a flap 41, which is actuated by a servo motor 42 which with a temperature sensor 57 is connected, which in the Drain line 40 behind the combustion chamber 5 is housed.
- the hot gases from the second Part 27 of the combustion chamber 5 are through the The discharge line 40 is conveyed into the furnace air preheater 4.
- the hot gases from the oven air preheater 4 are further through the discharge line 40 via a Flap 43 to the exhaust gas preheater 3 and from there to fireplace or into the atmosphere or over a flap 22 of the hot gas bypass 21 directly to fireplace or led into the atmosphere.
- the furnace air preheater 4 has exchangeable registers 90, which is preferably designed as a tube bundle are and an internal thermal insulation made of ceramic fibers exhibit.
- the two flaps 22 and 43 are actuated by a common servo motor 45.
- the control of the servo motor 46 of the primary air damper 33 and the valve 30 of the fuel pipe 29, the servo motor 37 of the secondary air damper 36 and the servo motor 45 of the flaps 22, 43 of the discharge line 40 and the bypass 21 ensure three temperature controllers 47, 48, 49, the assigned to the first part of the combustion chamber 5 are in the advantageous common temperature sensor 50 of the three temperature controllers 47, 48, 49 are arranged is.
- Each of the temperature regulators 47, 48, 49 can also be used with its own temperature sensor 50 be equipped.
- the three temperature controllers 47, 48, 49 regulate the Temperature in the combustion chamber 5.
- the first Controller 47 is connected to the servo motor 46 which the primary air damper 33 and the valve 30 of the Fuel pipeline 29 controls, and to a minimum Temperature set at 800 ° C.
- the second Controller 48 is connected to the servo motor 45 which at the same time the flap 43 of the discharge line 40 and controls the flap 22 of the hot gas bypass 21, and set to a temperature range of 820-900 ° C.
- the third controller 49 is in a temperature range set from 840-950 ° C and with the Servomotor 37 connected, the flap 36 in the Secondary air branch line 35 controls.
- the temperature sensor 57 which in the discharge line 40 behind the combustion chamber 5 arranged and with the servo motor 42 of the flap 41 connected in the pipeline 60 controls the Amount of cooling air.
- a dust content sensor 58 arranged on an optoelectronic or another the dust content at the filter outlet monitoring principle.
- the second Venturi tube 59 which between the oven air preheater 4 and a not shown Shaft furnace arranged in the furnace air pipeline 410 is.
- the second venturi 59 is with one Pressure sensor 64, which is used to record a negative pressure is arranged in the shaft furnace, and with a frequency converter 55 of a fan 420 connected.
- With the pressure sensor 64 is also a frequency converter 56 of a fan 24 in the exhaust pipe 9 connected.
- the connection is known Way realized what equally for the others Connections apply, for example those of the temperature controller 47, 48, 49, the sensor 71, 57 or the like, which is why it is not discussed in more detail.
- the device described works as follows:
- the shaft furnace exhaust gases are drawn into the preheater / cooler 1 by the fan 24, where they are either cooled with cooling air or heated with hot gas, depending on the temperature measured by the sensor 71.
- the promotion of the cooling air or the pure exhaust gas takes place with the fan 7.
- the amount of cooling air or hot gas is controlled by the flaps 10, 11 driven by the servomotors 12, 13, which close or open the air pipe 6 or the auxiliary discharge line 8 such that the Shaft furnace exhaust gas temperature, which is measured with the sensor 71, moved in the range of 150-230 ° C.
- This temperature ensures that in the mixing chamber 15 of the preheater / cooler 1 by means of a supplied reagent, for example by means of the calcium hydroxide Ca (OH) 2 already mentioned, the shaft furnace exhaust gases can be desulfurized effectively.
- the shaft furnace exhaust gases processed in this way are the exhaust pipe 9 to the filter 2, where Dust components are separated.
- the severed Dust is removed from the filter 29 by means of a Screw conveyor 17 discharged by an electric motor 80 is driven.
- the dust content behind a dust content sensor 59 controls the filter 2, where an increased dust content causes damage in the Filters 2 signals.
- the exhaust gas flow is in the exhaust gas preheater 3 by means of the Venturi tube 52 measured. If the conveyor speed approximately below twice the rate of combustion sinks, it closes the pneumatic drive 54 having butterfly valve 53 the exhaust pipe 9.
- the intensity of the exhaust gas preheating is set according to the temperature set by the temperature controller 48 controlled with which the servo motor 45 is connected to the flaps 22 and 43 of the bypass 21 and the discharge line 40 controls, and in such a way that when the temperature is exceeded closed by the flap 43 discharge line and opened by the flap 22 of the bypass becomes. If the set value is undershot The temperature is reversed by the controller.
- the preheated Exhaust gas is exhausted through the exhaust pipe 9 transferred to the exhaust gas preheater 3 in the exhaust gas burner 25 and there with supplied through the pipeline 32 Primary air mixed.
- the amount of fuel and primary air volume is controlled by means of the first temperature controller 47 regulated, if exceeded the set temperature by means of the servo motor 46 the flap 33 in the air pipe 32 the primary air and at the same time the valve 30 in the fuel pipe 29 closes.
- the third temperature controller 49 controls in dependence the secondary air inlet from the set temperature 34 with the help of the servo motor 37, the if the set temperature is exceeded the flap 36 opens.
- the hot gases by cooling air in the second part 27 of the combustion chamber 5 to an optimal one, using the temperature sensor 57 measured temperature of 600-800 ° C cooled.
- furnace air preheater 4 The hot gases generated during the combustion of exhaust gases through the discharge line 40 into the furnace air preheater 4 introduced, the furnace air through the pipe 410 coming from the fan 420 is fed. In the preheater 4 is furnace air heated to a temperature of approx. 600 ° C.
- the hot gases from the oven air preheater 4 are through the discharge line 40 to the exhaust gas preheater 3.
- the amount of by means of the fan 420 conveyed furnace air and the amount of by means of Ventilated exhaust gas 24, are by the Frequency converter 55, 56 for regulating the power of fans 24, 420 depending on the Specification of the pressure sensor 64 controlled.
- the device described is for all types of shaft furnaces can be used, especially for Shaft furnaces, the raw materials for mineral fibers melt.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Air Supply (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Chimneys And Flues (AREA)
- Manufacture Of Iron (AREA)
- Incineration Of Waste (AREA)
Description
Claims (11)
- Einrichtung zur Reinigung und Verbrennung von Abgasen aus einem Schachtofen, mit einem System von Wärmetauschern, einem Filter und einer Verbrennungskammer, dadurch gekennzeichnet, daß die Einrichtung einen Vorwärmer/Kühler (1) für das Schachtofenabgas aufweist, der über eine Luftklappe (10) mit einer Kühlluftrohrleitung (6) und über eine Abführklappe (11) mit einer Hilfsabführabgasleitung (8) für Heißgase verbunden ist und der gleichzeitig über den Weg einer Abgasrohrleitung (9) über einen Filter (2) und einen Vorwärmer (3) des Abgases mit der Verbrennungskammer (5) verbunden ist, die über den Weg einer angeschlossenen Abführleitung (40) über einen Vorwärmer (4) der Ofenluft und den Vorwärmer (3) der Abgase mit einem Kamin (44) in Verbindung steht, wobei die Verbrennungskammer (5) aus zwei Teilen (26, 27) besteht, von denen der erste Teil (26) eine Verbrennungszone bildet, in die ein Brenner (25) für Abgase, ein Brenner (28) für zugegebenen Brennstoff und ein Sekundärlufteintritt (34) münden, und von denen der zweite Teil (27) eine Reaktions- und Kühlzone bildet, in die ein Kühllufteintritt (38) mündet, wobei die Verbrennungszone mit mindestens einem Temperaturfühler (50) für drei Temperaturregler (47, 48, 49) versehen ist.
- Einrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Vorwärmer (3) der Abgase mit einem Heißgasbypass (21) versehen ist.
- Einrichtung nach Anspruch 1 und 2, dadurch gekennzeichnet, daß der erste Temperaturregler (47) mit einem Servomotor (46) eines Ventils (30) einer Brennstoffrohrleitung (29) und mit einer Klappe (33) einer Primärluftrohrleitung (32), der zweite Temperaturregler (48) mit einem Servomotor (45) einer Klappe (43) der Abführleitung (40) und einer Klappe (22) des Heißgasbypasses (21) des Abgasvorwärmers (3) und der dritte Temperaturregler (49) mit einem Servomotor (37) einer Klappe (36) des Sekundärlufteintritts (34) verbunden ist.
- Einrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Vorwärmer/Kühler (1) einen eigenen Wärmetauscher (14) in Form eines vertikal orientierten Rohrbündels aufweist.
- Einrichtung nach Anspruch 1 oder 3, dadurch gekennzeichnet, daß der Vorwärmer/Kühler (1) eine Mischkammer (15) aufweist, die mit einer Rohrleitung (16) für ein Reaktionsmittel versehen ist.
- Einrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Vorwärmer (4) der Ofenluft und der Vorwärmer (3) der Abgase mit austauschbaren Registern (90) versehen sind, die als Rohrbündel ausgebildet sind.
- Einrichtung nach Anspruch 1 oder 2 oder 3, dadurch gekennzeichnet, daß der erste, mit dem Sekundärlufteintritt verbundene Teil (26) der Verbrennungskammer (5) horizontal und der zweite, die Reaktions- und Kühlzone bildende Teil (27) der Verbrennungskammer (5) vertikal orientiert ist.
- Einrichtung nach einem der Ansprüche 1 oder 3 oder 4 oder 5, dadurch gekennzeichnet, daß hinter dem Vorwärmer/Kühler (1) in der Abgasrohrleitung (9) ein Temperaturfühler (71) vorgesehen ist, der mit Servomotoren (12, 13) der Klappen (10, 11) in der Rohrleitung (6) der Kühlluft und der Hilfsabführleitung (8) verbunden ist.
- Einrichtung nach einem der Ansprüche 1 oder 2 oder 3 oder 4 oder 5 oder 6 oder 7, dadurch gekennzeichnet, daß in der Abgasrohrleitung (9) hinter dem Filter (2) ein Venturirohr (52) angeordnet ist, vor dem in der Abgasrohrleitung (9) eine Klappe (53) mit einem pneumatischen Antrieb (54) eingebaut ist, der mit dem Venturirohr (52) verbunden ist.
- Einrichtung nach einem der Ansprüche 1 und 7, dadurch gekennzeichnet, daß ein in der Abgasrohrleitung (9) angeordneter Ventilator (24) und ein der Bewegung der Ofenluft dienender Ventilator (420) jeweils mit Frequenzumformern (55, 56) versehen sind.
- Einrichtung nach einem der Ansprüche 1 oder 2 oder 3 oder 6, dadurch gekennzeichnet, daß hinter dem Ofenluftvorwärmer (4) in der Ofenluftrohrleitung (410) ein zweites Venturirohr (59) angeordnet ist, das einerseits mit einem Druckfühler (64) und andererseits mit den Frequenzumformern (55, 56) verbunden ist, wobei der Druckfühler (64) in dem Schachtofen angeordnet ist und die Frequenzumformer (55,56) mit dem Venturirohr (52) in der Abgasrohrleitung (9) verbunden sind.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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CZ986899 | 1999-09-13 | ||
CZ986899 | 1999-09-13 | ||
DE29922491U | 1999-12-22 | ||
DE29922491U DE29922491U1 (de) | 1999-09-13 | 1999-12-22 | Einrichtung zur Reinigung und Verbrennung von Schachtofenabgasen |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1085283A2 EP1085283A2 (de) | 2001-03-21 |
EP1085283A3 EP1085283A3 (de) | 2002-09-04 |
EP1085283B1 true EP1085283B1 (de) | 2004-05-26 |
Family
ID=25746946
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00119877A Expired - Lifetime EP1085283B1 (de) | 1999-09-13 | 2000-09-13 | Einrichtung zur Reinigung und Verbrennung von Schachtofenabgasen |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1085283B1 (de) |
AT (1) | ATE267994T1 (de) |
DK (1) | DK1085283T3 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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NL1035584C2 (nl) * | 2008-06-16 | 2009-12-17 | Oost Holding B V | Inrichting en werkwijze voor het reinigen van rookgassen. |
DE102008039544A1 (de) * | 2008-08-25 | 2010-03-04 | Polysius Ag | Verfahren und Anlage zur thermischen Wärmebehandlung von stückigem Material in einem Schachtofen |
CN103912882B (zh) * | 2014-04-01 | 2016-06-29 | 航天环境工程有限公司 | 一种等离子点燃低燃值放散气体装置 |
CN113289451B (zh) * | 2021-05-27 | 2022-10-21 | 中弘环境工程(北京)有限公司 | 一种碳碳复合材料制备工艺尾气的处理及余热利用系统和处理及余热利用方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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FR1082962A (fr) * | 1953-06-26 | 1955-01-04 | Ko We Niederschachtofen G M B | Procédé pour le traitement des minerais dans des fours à ? surbaissés |
US3389897A (en) * | 1965-06-28 | 1968-06-25 | Huttenwerksanlagen M B H Ges | Method of operating a hot blast cupola furnace |
ES2068779B1 (es) * | 1993-01-25 | 1998-01-16 | Mannesmann Ag | Procedimiento para el aprovechamiento de la energia contenida en el gas de tragante de un horno de cuba. |
FI4374U1 (fi) * | 1999-09-13 | 2000-03-28 | Frantisek Kubesa | Laite kuilu-uunipakokaasujen puhdistamiseksi ja polttamiseksi |
-
2000
- 2000-09-13 DK DK00119877T patent/DK1085283T3/da active
- 2000-09-13 AT AT00119877T patent/ATE267994T1/de not_active IP Right Cessation
- 2000-09-13 EP EP00119877A patent/EP1085283B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ATE267994T1 (de) | 2004-06-15 |
DK1085283T3 (da) | 2004-10-04 |
EP1085283A2 (de) | 2001-03-21 |
EP1085283A3 (de) | 2002-09-04 |
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