EP3134491A1 - Luftjustierorgan - Google Patents
LuftjustierorganInfo
- Publication number
- EP3134491A1 EP3134491A1 EP15715265.3A EP15715265A EP3134491A1 EP 3134491 A1 EP3134491 A1 EP 3134491A1 EP 15715265 A EP15715265 A EP 15715265A EP 3134491 A1 EP3134491 A1 EP 3134491A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coke oven
- air
- luftjustierorgan
- perforated plate
- coke
- 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.)
- Withdrawn
Links
- 239000000571 coke Substances 0.000 claims abstract description 80
- 238000002485 combustion reaction Methods 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 18
- 238000010411 cooking Methods 0.000 claims description 17
- 239000003245 coal Substances 0.000 claims description 14
- 238000004939 coking Methods 0.000 claims description 8
- 239000000523 sample Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 238000011084 recovery Methods 0.000 description 16
- 238000010438 heat treatment Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 4
- 238000013021 overheating Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229910001060 Gray iron Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
- F23M9/00—Baffles or deflectors for air or combustion products; Flame shields
- F23M9/02—Baffles or deflectors for air or combustion products; Flame shields in air inlets
-
- 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
- C10B45/00—Other details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L13/00—Construction of valves or dampers for controlling air supply or draught
- F23L13/06—Construction of valves or dampers for controlling air supply or draught slidable only
Definitions
- the present invention relates to a Lucasjustierorgan for metering combustion air from secondary air ducts of a coke oven, in particular a coke oven of the type "non-recovery" or "heat recovery”.
- the invention also relates to a coke oven and a coke oven bank.
- the invention relates to a method for metering combustion air of secondary air ducts and a method for coking of coal.
- Coke ovens of the "non-recovery” or “heat-recovery” type usually have up to 8 secondary air ducts below the secondary combustion chambers, through which the necessary combustion air is drawn into the coke oven. It is desirable on the principle of Mehrfach Kunststoffstufung to provide as many air outlet openings in the Sohlkanälen to evenly make the heating below the zukokenden coal charge.
- the coke ovens are usually operated after a certain operating sequence (see DE 10 2008 064 209), in order to reduce fluctuations in the exhaust gas volume flows and to make the temperature regime uniform in the refractory exhaust gas ducts.
- each coke oven of a coke oven bank is in an individual cooking state, an individual dosage of the combustion air of the up to 16 adjustment organs by the operating personnel is required.
- the number of air adjusters to be adjusted in the bank increases.
- the Luftjustierorgane In order to ensure a homogeneous heating below the coal charge the Heiljustierorgane must be repeatedly adjusted in time and position in a cooking period. This often leads to incorrect settings. From practice is also known that the previous Heiljustierorgane for metering the combustion air in the secondary air ducts operate imprecisely and so not the desired air flow rates pour into the coke oven.
- a further problem of the invention described in the application DE 10 2008 049 316 B3 is that the regulating members constructed of a metal material, such as cuboid and slide, experience a thermal expansion due to the high ambient temperature, so that the channel inlet cross section to be regulated differs at each furnace and is not reproducible for the operator, often misregistration occur and so from cooking cycle to cooking cycle always different amounts of air flow into the ovens, which is associated with inhomogeneous heating and coking conditions within a furnace and along the entire coke oven battery.
- the invention is therefore based on the object to provide an air adjustment, with the disadvantages of the prior art can be overcome, in particular to provide a Gutjustierorgan that allows improved homogeneous heating of a coke oven, so that local overheating can be effectively prevented.
- This object is achieved by a Heiljustierorgan for metering combustion air from secondary air ducts of a coke oven, in particular a coke oven of the type "non-recovery" or "heat recovery” with the features of claim l.
- the Luftjustierorgan comprises a base body having a first channel and at least one perforated plate through which the combustion air can flow into the Sohlkanäle a coke oven.
- the perforated plate is arranged at the end remote from the coke oven end of the base body.
- the Heiljustierorgan comprises a cover plate arranged in the flow direction in front of the perforated plate, with which the air flow through the perforated plate is controllably closed.
- the cover plate is displaceable.
- the cover plate can be displaced vertically from above or from below relative to the substrate on which the coke oven is located.
- the cover plate may also preferably be horizontally displaceable from the right or from the left.
- the cover plate is arranged in front of the perforated plate, that in the closed position, almost no combustion air can flow into the secondary air duct. This can be achieved, for example, by coordinated materials that produce a sealing connection due to their material properties.
- the Luftjustierorgan tracks in which the cover plate slides.
- the rails can be arranged above and below or to the right and left of the perforated plate with respect to the ground. The arrangement depends on whether the cover plate is horizontally or vertically displaceable.
- the perforated plate comprises the rails.
- the base body is a hollow cylindrical or a hollow cuboid base body, so that the cross section of the channel and the secondary air channel corresponding thereto is circular, square or rectangular. Other geometries are also conceivable. With such a Beerjustierorgan existing coke ovens of the type “non-recovery” or “heat recovery” can be retrofitted easily and cost-effectively.
- the base body has a second channel spatially separated from the first channel, wherein the two channels are arranged to each other such that the main body is seen in longitudinal section Y-shaped. Due to the Y-shaped configuration, both channels diverge in the flow direction. This means that the two channels are adjacent to each other on the opposite side of the coke oven, but spatially separated from each other, for example by a partition wall. Subsequently, the course of the two channels to each other such that their distance relative to the longitudinal axis of the base body in the flow direction, ie in the direction of the coke oven, is greater. After the distance reaches a final value, which is determined by the arrangement of the secondary air channels of the coke oven, the course of the two channels can be parallel to each other.
- the cover plate may be divided into two, so that the cover plate consists of two cover plate elements.
- the cover plate consists of two cover plate elements.
- the Luftjustierorgan two perforated plates, so that a perforated plate is provided for each of the two channels.
- each perforated plate may have a different number of air openings.
- the Luftjustierorgan contains a probe for measuring the air flow through the Luftjustierorgan.
- the amount of air fed by such a Heiljustierorgan be controlled by the operating staff, so that when a higher and lower limit value appropriate countermeasures can be taken.
- the probe is a perforated disc or a metering orifice, which is arranged in one or alternatively in both channels of the base body, so that the air flow can be measured in one or both channels.
- the probe is an ultrasonic measuring device, which is mounted from the outside on the base body and then the air flow can be measured with this. Also, the ultrasound measurement can be done either on one or alternatively on both channels of the body.
- the perforated plate of the Beerjustierorgans is interchangeable, the perforated plate is thus a separate component of the Beerjustierorgans. It is advantageous if the perforated plate has a thread and the base body has a corresponding mating thread.
- the perforated plate can be inserted or screwed to the base body. If the perforated plate is inserted, it may be dimensioned such that it is held solely by the surrounding inner surface of the base body. Alternatively, it is also possible to use corresponding holding elements in order to fix the perforated plate.
- the holding elements can be attached both to the perforated plate or to the inner surfaces of the base body. Also preferred is an embodiment in which the base body in the front region, ie at the end facing away from the coke oven end of the base body, a corresponding gap, so that the perforated plate can be inserted from the outside, transversely to the longitudinal axis.
- a corresponding groove can be provided on the inner surface into which the perforated plate is inserted.
- the perforated plate, the gap and the groove may be dimensioned such that an additional seal is not required. It is advantageous if the perforated plate consists of a material which is elastic, for example a plastic.
- the perforated plate 1 to 30, more preferably 3 to 20 and most preferably 5 to 15 openings for metering the air flow of the combustion air. If two perforated plates are provided, each perforated plate may have 1 to 15, more preferably 3 to 10 and most preferably 5 to 8 openings. In a further preferred embodiment, each perforated plate has a different number of openings. According to a preferred embodiment, the perforated plate comprises nozzles. In the simplest case, the nozzles are formed through the openings in the perforated plate. The cross section may be circular, three, four, six or octagonal. The nozzles preferably have a constant cross-sectional area in the flow direction.
- nozzles with decreasing cross-sectional areas in the flow direction are possible.
- the cross-sectional area of an opening is preferably in the range of 0.5 to 40 cm 2 , more preferably in the range of 3 to 40 cm 2, and most preferably in the range of 12 to 30 cm 2 .
- the nozzles are separate components which are attached to the perforated plate.
- the nozzle has a thread and the opening has a mating thread into which the nozzle can be screwed.
- one end of the pluggable nozzle and the corresponding opening in the perforated plate has a circular, three, four, six or octagonal cross section.
- the cross section is hexagonal. Due to the fact that the nozzles can be screwed or plugged in, in an advantageous variant, individual openings can be closed by a corresponding orifice nozzle. Thus, a further fine adjustment of the amount of combustion air can take place.
- the nozzles have a cross-sectional area for air flow in the range of 1.7 to 33 cm 2 , more preferably in the range of 0.7 to 20 cm 2 , more preferably in the range of 0.7 to 7 cm 2, and most preferably in Range from 1.7 to 7 cm 2 .
- the nozzles have a diameter for the air flow of 10, 20, 30, 40 and 50 mm.
- the nozzles are marked in color, so that nozzles with different diameters have different colors.
- the operating personnel can recognize immediately on the basis of the color of the nozzle immediately how high the currently entering amount of combustion air is in the coke oven.
- the perforated plate and / or the cover plate made of a heat-resistant metal and / or plastic. Suitable materials for this are the steel grades St37, St44, St52 or 15 Mo3 as well as the gray cast iron grades GG25, GG30 or GG40.
- the cover plate comprises an actuating device with which it interacts.
- the adjusting device comprises in a preferred embodiment, a push rod on which the cover plate, preferably a plurality of cover plates, is arranged via suitable elements.
- the push rod can be moved mechanically by hand, a point switch or a servomotor. It is also possible to use pneumatic or hydraulic drives.
- the cover plate is brought alone by the adjusting device in the desired position, so that rails in which the cover plate running can be omitted.
- the position of the push rod can be monitored via limit switches and optionally by a corresponding signal in accordance with a logic circuit to be changed.
- Preferred limit switches are electromechanical, electromagnetic, inductive or optical limit switches.
- the monitoring of the limit switches can be monitored locally or alternatively in a control room by the responsible operating personnel.
- the invention further relates to a coke oven with a Sekundäreuerraum, in particular a coke oven of the type "non-recovery” or “heat recovery” containing the Beerjustierorgan invention.
- the invention comprises a coke oven bank containing 3 to 50, preferably 8 to 36 of the coke ovens according to the invention.
- the invention relates to a method for metering combustion air from secondary air ducts of a coke oven, preferably the coke ovens of a coke oven bank, comprising the method steps:
- a coke oven preferably a coke oven bank containing the air adjuster according to the invention
- the coke oven is preferably a coke oven of the "non-recovery" or "heat-recovery” type.
- the present invention also relates to a process for the coking of coal with a coke oven, preferably the coke ovens of a coke oven bank, comprising the process steps:
- the Luftjustierorgan can remain closed for up to 5 hours after filling, so that in the first 5 hours no air flow through the Heiljustierorgan done. More preferably, the Heiljustierorgan remains closed in the range of 0.03 to 0.5 hours after filling the coke oven.
- the Luftjustierorgan is adjusted in the period of 30 to 80% of a cooking period.
- One fermentation period includes the pre-cooking and the main cooking of the coal.
- different process variants are possible, with typical cooking periods being 20 to 96 h.
- the air flow can be throttled by half after 50% of the cooking period and completely throttled in a second step after 75% of the cooking period, so that no air flow occurs for the further main cooking period.
- the air flow can be completely throttled after 65% of the heating period, so that the air flow is reduced from 100% to 0%.
- Adjusting the Heiljustierorgans can - as shown - done stepwise, or run continuously.
- the air flow may be gradually throttled from 50% to 80% of the booster period from 100% to 0% air flow.
- the coke oven is preferably a coke oven of the "non-recovery” or “heat-recovery” type.
- the present invention also relates to the use of the Beerjustierorgans invention for metering combustion air from secondary air ducts of a coke oven, preferably coke ovens a coke oven, preferably a coke oven type "non-recovery" or "heat recovery”.
- FIG. 1 shows a lateral cross section of the air adjusting element according to the invention
- FIG. 2 shows a front view of the air adjusting element according to the invention
- Fig. 3 is a perspective view of arranged in series Lucasjustierorganen. Description of the Preferred Embodiments
- Fig. 1 shows a lateral cross section of the Beerjustierorgans invention l.
- the Beerjustierorgan 1 comprises a Y-shaped base body 2 comprising a first channel 3 and a second channel 4, which is spatially separated from the first channel 3 by a partition wall 5, so that through each of the channels 3, 4, a separate air flow volume can flow. As shown in Fig. L, diverge two channels 3, 4 in the flow direction (see arrow).
- the Beerjustierorgan 1 further comprises a perforated plate 6 with fourteen nozzles 7 (see Fig. 2). The nozzles 7 are arranged V-shaped relative to one another.
- the first channel 3 may have two 30 mm, one 40 mm and four 10 mm nozzles 7 and the second channel 4 five 10 mm nozzles and two nozzles.
- the channel cross-section tapers in the flow direction (see arrow).
- Fig. 3 is a perspective view of arranged in series Lucasjustierorgane 1 is shown, each with the main body 2, the perforated plate 6 and a cover plate 8.
- the cover plates 8 of the respective Heiljustierorgane 1 have holding elements 9, with which the cover plates 8 on a linkage 10th an adjusting device are attached.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Coke Industry (AREA)
- Regulation And Control Of Combustion (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014005899.9A DE102014005899A1 (de) | 2014-04-25 | 2014-04-25 | Luftjustierorgan |
| PCT/EP2015/057815 WO2015162020A1 (de) | 2014-04-25 | 2015-04-10 | Luftjustierorgan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3134491A1 true EP3134491A1 (de) | 2017-03-01 |
Family
ID=52823646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP15715265.3A Withdrawn EP3134491A1 (de) | 2014-04-25 | 2015-04-10 | Luftjustierorgan |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3134491A1 (de) |
| BR (1) | BR112016024188A2 (de) |
| DE (1) | DE102014005899A1 (de) |
| WO (1) | WO2015162020A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110776930B (zh) * | 2019-12-06 | 2025-08-26 | 华泰永创(北京)科技股份有限公司 | 一种气体流量双向调节装置及应用其的焦炉 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4446847A (en) * | 1982-04-06 | 1984-05-08 | Martin Charles A | Fireplace outside air inlet |
| JP3477572B2 (ja) * | 1999-08-20 | 2003-12-10 | 龍治 角田 | 炭化炉を兼ねたストーブ及びボイラー |
| DE102005055483A1 (de) * | 2005-11-18 | 2007-05-31 | Uhde Gmbh | Zentral gesteuertes Koksofenbelüftungssystem für Primär- und Sekundärluft |
| DE102008025437B4 (de) * | 2008-05-27 | 2014-03-20 | Uhde Gmbh | Vorrichtungen und Verfahren zur gerichteten Einleitung von primärer Verbrennungsluft in den Gasraum einer Koksofenbatterie |
| DE102008049316B3 (de) | 2008-09-29 | 2010-07-01 | Uhde Gmbh | Luftdosierungssystem für Sekundärluft in Koksöfen sowie Verfahren zur Dosierung von Sekundärluft in einem Kokskammerofen |
| DE102008064209B4 (de) | 2008-12-22 | 2010-11-18 | Uhde Gmbh | Verfahren und Vorrichtung zum zyklischen Betrieb von Koksofenbänken aus "Heat-Recovery"-Koksofenkammern |
-
2014
- 2014-04-25 DE DE102014005899.9A patent/DE102014005899A1/de not_active Withdrawn
-
2015
- 2015-04-10 BR BR112016024188A patent/BR112016024188A2/pt not_active Application Discontinuation
- 2015-04-10 EP EP15715265.3A patent/EP3134491A1/de not_active Withdrawn
- 2015-04-10 WO PCT/EP2015/057815 patent/WO2015162020A1/de not_active Ceased
Non-Patent Citations (2)
| Title |
|---|
| None * |
| See also references of WO2015162020A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| BR112016024188A2 (pt) | 2017-08-15 |
| DE102014005899A1 (de) | 2015-10-29 |
| WO2015162020A1 (de) | 2015-10-29 |
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| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: THYSSENKRUPP INDUSTRIAL SOLUTIONS AG Owner name: THYSSENKRUPP AG |
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| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
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