EP2938704B1 - Löschwagensystem zur verbesserung der gewinnung von abgelöschtem koks - Google Patents
Löschwagensystem zur verbesserung der gewinnung von abgelöschtem koks Download PDFInfo
- Publication number
- EP2938704B1 EP2938704B1 EP12890832.4A EP12890832A EP2938704B1 EP 2938704 B1 EP2938704 B1 EP 2938704B1 EP 12890832 A EP12890832 A EP 12890832A EP 2938704 B1 EP2938704 B1 EP 2938704B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- quench
- quench car
- coke
- car
- sidewalls
- 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.)
- Active
Links
- 238000010791 quenching Methods 0.000 title claims description 129
- 239000000571 coke Substances 0.000 title claims description 63
- 238000011084 recovery Methods 0.000 title description 6
- 230000004888 barrier function Effects 0.000 claims description 51
- 230000000171 quenching effect Effects 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 18
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 238000012545 processing Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910000677 High-carbon steel Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- 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
- C10B39/00—Cooling or quenching coke
- C10B39/14—Cars
Definitions
- the present technology is generally directed to systems for improving quenched coke recovery. More specifically, some embodiments are directed to systems utilizing one or more of a screen, barrier, or reflector panel to contain coke during or after quenching.
- Quenching is an important step in many types of mineral processing, including coke processing.
- a quench tower releases a large amount of water onto heated coke in a quench car in order to quickly cool the coke.
- the pre-quench coke is extremely hot, sometimes having a temperature greater than 2,000 degrees Fahrenheit (1093 degrees Celsius). Once the coke is cooled, it can be handled on transfer belts and be screened and sent to the customer.
- EP 0 319 708 A2 discloses a coke quenching vessel with a double-walled bottom and side design.
- CN 202 415 446 U discloses a coke shielding cover of a quenching tower.
- the present technology is generally directed to systems for improving quenched coke recovery. More specifically, some embodiments are directed to systems utilizing one or more of a screen, barrier, or reflector panel to contain coke during or after quenching.
- the invention relates to a quench car system for containing coke prepared for quenching at a quenching site as defined in claims 1-12.
- Figure 1 is an isometric, partial cut-away view of a quench car 100 that is entering a quench tower 104.
- the quench car 100 includes a plurality of sidewalls 102 arranged to enclose or at least partially surround a space configured to contain coke in a coke processing system.
- the quench car 100 can be used in other mineral processing systems. While the car 100 is described herein as a "quench" car, not according to the present invention, it can comprise a "hot" car configured to receive coke from a coke oven, a quench train, a coke-moving car, a combined hot/quench car, or other container.
- the quench car 100 includes a permeable deflection barrier 106 having a top portion 108 and one or more sidewall portions 110.
- the barrier 106 comprises only one of a top portion 108 or sidewall portion 110 (not according to the invention), or extends across only a portion of the top of the quench car 100.
- the top portion 108 is integral with the sidewall portions 110 or can be detachably coupled to the sidewall portions 110 or to the sidewalls 102.
- the barrier sidewall portion 110 is illustrated as occupying only an upper portion of the sidewalls 102, in further embodiments more or less of the sidewalls 102 can comprise the permeable barrier.
- including apertures or a permeable barrier on a lower portion of the sidewalls 102 can allow quench water to exit the car 100 after the quench and prevent the coke from sitting in quench fluid.
- the permeable barrier 106 is removably coupled to the quench car 100.
- the barrier 106 can be held above the car 100 by the quench tower 104 or other structure.
- the permeable barrier can be latched, friction fit, draped over, or held by cords, chains, hinges, or hooks to the car 100.
- the barrier 106 can be coupled to the car 100 (e.g., to a sidewall 102) with a hinge or similar device and can open like an automobile hood.
- the barrier 106 can have a lock or latch to fix the barrier 106 in a closed or open configuration.
- the permeable barrier 106 can lift or otherwise be moved during car loading or unloading. In further embodiments, other attachment mechanisms can be used.
- the barrier 106 can be angled or generally horizontal.
- the car 100 can include quench spray nozzles under the barrier 106 that can provide all or a portion of the quench fluid.
- the permeable barrier 106 can comprise one or more of a screen, curtain, mesh, or other structure configured to contain coke during the quench process while allowing quench fluid to pass therethrough and reach the contained coke.
- the permeable barrier 106 comprises a screen having apertures therein.
- the apertures have a diameter of approximately 0.25 inch (6.35 millimetre) to about 0.75 inch (19.05 millimetre).
- the apertures have dimensions of about 1.6 inch (40.64 millimetre) by about 0.56 inch (14.22 millimetre).
- different portions of the barrier 106 can have different size apertures.
- one sidewall portion 110 can have larger apertures than an opposing sidewall portion 110.
- an aperture pattern on the barrier 106 can match or complement a nozzle pattern in the quench tower 104.
- the barrier 106 has larger apertures on regions of the top portion 108 that are positioned under nozzles in the quench tower 104. These larger apertures can better receive quench water.
- apertures are exclusively placed under quench tower nozzles.
- other aperture patterns are used to optimize quench water distribution in the quench car 100.
- the apertures can have different shapes in different embodiments of the technology.
- the barrier 106 comprises stainless steel, high-carbon steel, AR400-AR500 steel, or other suitable material that can withstand the temperature and humidity conditions of the quench process.
- a chain-link-fence type of material can be used as a barrier 106.
- steel chains can be used.
- the barrier 106 can be flexible or rigid.
- the quench car 100 includes a deflection or containment plate 112 coupled to the sidewall 102.
- one or more containment plates 112 can be coupled to other sidewalls, quench car gates, the barrier 106, or the base of the quench car 100.
- the containment plate 112 can be positioned at a junction or corner between two sidewalls or between a sidewall and a top or base portion of the car 100. The containment plate 112 can overlap at least a portion of a sidewall 102 or car base.
- the containment plate 112 can have different shapes in various embodiments of the technology.
- the containment plate 112 can be shaped as a rectangle, circle, triangle, or other shape.
- the containment plate 112 can be curved or otherwise shaped to complement the shape of the quench car 100 or can be shaped to achieve a funneling or confining effect on the coke during processing.
- the containment plate 112 shown in Figure 1 is shaped as a fin extending along an edge of the sidewall 102.
- the containment plate 112 can fit against the car 100 tightly enough to contain coke while allowing used quench water to pass out of the car 100 to prevent the contained coke from sitting in water.
- the containment plate 112 can be on an internal or external surface of the quench car 100, or it can extend from an internal to an external portion.
- the containment plate 112 can be a solid surface or can have apertures therein.
- the barrier 106 can serve to contain coke and/or reflect "popping" coke back into the quench car 100 during quenching. More specifically, the barrier 106 can be sufficiently permeable to allow quench fluid to pass through and reach the coke while having small enough apertures to prohibit coke from jumping or popping from the car 100. The barrier 106 further allows quench steam to escape the car. The barrier sidewall portions 110 can further allow a cross-breeze to flow over the cooling coke.
- FIG 2A is an isometric view of a quench car 200 having side containment plates 212 configured to channel quenched coke onto a quench wharf 220 after the coke has been quenched in a quench tower 204.
- the quench car 200 can have containment plates 212 coupled to a sidewall 202 of the car 200.
- the sidewall 202 functions as a dump gate; when the car 200 is tilted toward the wharf and the sidewall gate 202 is open, the quenched coke is funneled by the containment plates 212 onto the wharf 220 to reduce side spillage.
- the containment plates 212 can serve to contain the coke during quenching or can prevent the coke from spilling out of the car 200 at junction points (i.e., the junction between two adjacent sidewalls or a sidewall and the base of the car 200).
- FIG 2B is an isometric partial cut-away view of a quench car 250 having a tailgate containment plate 262 configured in accordance with embodiments of the technology.
- the tailgate containment plate 262 functions generally in the manner of the containment plates 212 described above with reference to Figure 2A . More specifically, the tailgate containment plate 262 can bridge space between a base 264 of the car 250 and a sidewall gate 252. In several embodiments, the tailgate containment plate 262 is inclined relative to the base 264 of the car 250 and the sidewall gate 252. When the gate 252 is open, the tailgate containment plate 262 can prevent coke from falling between an opening between the base 264 and the gate 252.
- the tailgate containment plate 262 can further inhibit coke from building up at this junction and preventing the gate 252 from opening and closing.
- the tailgate containment plate 262 is movable relative to the sidewall gate 252 and/or the base 264 such that the tailgate containment plate 262 assumes different positions depending on whether the sidewall gate 252 is open or closed.
- Figure 2B also illustrates that the gate 252 can have a solid lower portion and a permeable upper portion.
- the gate 252 can be fully solid or fully permeable, or the lower portion can be permeable and the upper portion can be solid.
- the gate 252 can comprise multiple, separate portions (e.g., an upper portion and a lower portion) that can move independently of each other.
- the upper portion can be fixed (e.g., fixed to the car sidewalls) and the lower portion can be movable (i.e., open and close on a hinge) relative to the fixed upper portion.
- the upper and lower portions can be any combination of permeable and impermeable surfaces.
- the solid portion can help contain or channel quench steam.
- the gate 252 joins or can be sealed against a top portion (e.g., the top portion 108 shown in Figure 1 ) when the gate 252 is in a closed configuration.
- FIG 3 is a partially schematic illustration of a quench car 300 positioned in a quench tower 304 that has coke retaining features not according to the present invention.
- the quench tower 304 can be a byproduct quench tower, heat recovery quench tower, or any other similar system.
- the quench tower 304 includes a barrier 306 coupled thereto.
- the barrier 306 can be attached to any portion of the quench tower 304 framework and in various embodiments can be positioned above or below an array 370 of quench nozzles. In embodiments where the barrier 306 is below the nozzle array 370, the barrier 306 can be permeable to allow quench fluid to flow through.
- the barrier 306 can be permeable or impermeable. In any of these embodiments, the barrier 306 can serve to reflect or contain coke in the quench car 300 in the manner described above with reference to Figure 1 . In still further embodiments, as discussed above with reference to Figure 1 , the nozzle array 370 and barrier 306 can be positioned on the quench car 300 (either in addition to or lieu of placement on the tower 304).
- the barrier 306 can further comprise one or more sidewall portions 372 that extend downward from the generally horizontal plane. In further embodiments, the barrier 306 exclusively has sidewall portions 372 and not an upper portion.
- the sidewall portions 372 can be rigid or flexible curtains and can channel coke that flies during the quench process back into the quench car 300.
- the sidewall portions 372 can comprise numerous generally adjacent panels/chains or a single continuous panel.
- the sidewall portions 372 can be positioned on a track, rod, or other similar system to extend along or around the quench car 300 and then move away from the car 300 when not in use.
- the barrier 306 or sidewall portions 372 are permanent in their placement relative to the quench tower 304 or can be retracted upward into the quench tower 304 and drop downward over the car 300. In other embodiments, the barrier 306 can be dropped over the car 300 and/or retracted upward outside of the quench tower 304 by a crane or other lifting/dropping device. In further embodiments, the barrier 306 can detach from the quench tower 304. In some embodiments, a bottom portion of the sidewall portions 372 can be positioned in the interior portion of the car 300, such that any coke that hits the sidewall portions 372 will slide back into the car 300. In further embodiments, a bottom portion of the sidewall portions 372 is exterior of the car 300.
- Figure 4 is a partially schematic illustration of a quench car 400 positioned in a quench tower 404 having coke reclaim plates 472 not according to the present invention.
- the reclaim plates 472 extend downward and slope laterally inward toward the quench car 400.
- the reclaim plates 472 can have different angles either more or less directed inward toward the car 400.
- the reclaim plates 472 can channel coke that flies during the quench process back into the quench car 400 to increase coke recovery and reduce build-up at the base of the quench tower 404.
- the reclaim plates 472 are coupled to the car 400 instead of or in addition to being coupled to the quench tower 404.
- the reclaim plates 472 can be movable to adjust their angle with reference to the quench tower 404. This adjustability can be useful to vary the coke diversion characteristics of the reclaim plates 472 or to accommodate different sizes of quench cars 400 or movement of the car 400 with reference to the quench tower 404 (e.g., the reclaim plates 472 can fold away while the car 400 is driving into or out of the quench tower 404). While the illustrated embodiment shows the reclaim plates 472 below a nozzle array 470, in further embodiments the reclaim plates 472 are above or coplanar with the nozzle array 470.
- Figure 5 is a front view of a quench car 500 having containment plates 572 not according to the present invention.
- the containment plates 572 can extend upward from sidewalls 502 of the car 500 and reflect coke back into the car 500 during the quench process.
- the containment plates 572 can comprise any permeable or impermeable material, or a combination of these materials.
- a portion of the containment plates 572 closest to the sidewalls 502 is solid and impermeable while a portion of the containment plates 572 that extends farthest into the center of the car 500 is permeable.
- All or only some of the sidewalls 502 may include containment plates 572.
- only two opposing sidewalls 502 have containment plates thereon.
- the containment plates 572 are on one or more drain or dump gates on the car 500.
- the containment plates 572 can be angled inward at angle ⁇ such that flying coke hits the bottom of the containment plates 572 and deflects downward.
- the angle ⁇ can vary in alternate embodiments of the technology or can be adjustable (e.g., the containment plates 572 can be on hinges). In particular embodiments, the angle ⁇ can be from about 10 degrees to about 90 degrees relative to a vertical plane.
- the containment plates 572 can reduce coke breeze from moving downstream or clogging process flow.
- the car 500 can further include a top portion, such as the top portion 108 described above with reference to Figure 1 , that extends between sidewalls 502 (e.g., between the containment plates 572.
- the containment plates 572 can be used alone or in conjunction with any of the top portions (solid or permeable) described above.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Coke Industry (AREA)
Claims (12)
- Löschwagensystem zum Enthalten von Koks, der zum Löschen an einer Löschstelle vorbereitet ist, wobei das Löschwagensystem (100) Folgendes umfasst:einen Löschwagen (100) mit einer Basis und einer Mehrzahl von Seitenwänden (102), die eine Öffnung definieren, wobei der Löschwagen (100) eine Oberseite aufweist; undeine permeable Barriere (106), die abnehmbar mit dem Löschwagen (100) gekoppelt ist und mindestens einen Abschnitt der Oberseite des Löschwagens (100) abdeckt, wobei die permeable Barriere (106) eine Mehrzahl von Öffnungen durch sie hindurch aufweist,dadurch gekennzeichnet, dass das Löschwagensystem ferner einen Löschturm (104) mit einer oberhalb des Löschwagens (100) angeordneten Düse umfasst, wobei eine einzelne Öffnung der unter der Düse angeordneten permeablen Barriere (106) im Allgemeinen vertikal mit der Düse ausgerichtet ist und einen Durchmesser aufweist, der größer ist als ein Durchmesser einer anderen einzelnen Öffnung der permeablen Barriere (106).
- Löschwagensystem nach Anspruch 1, wobei sich die permeable Barriere (106) über die Oberseite des Löschwagens (100) und mindestens eine Seitenwand erstreckt.
- Löschwagensystem nach Anspruch 1, wobei die einzelnen Öffnungen einen Durchmesser von 0,25 Zoll (6,35 Millimeter) bis 0,75 Zoll (19,05 Millimeter) aufweisen.
- Löschwagensystem nach Anspruch 1, wobei der Löschwagen (100) ferner eine Eindämmplatte (112) umfasst, die mit einer oder mehreren Seitenwänden (102) gekoppelt und konfiguriert ist, um Koks oder Löschwasser zu enthalten oder einzutrichtern.
- Löschwagensystem nach Anspruch 4, wobei eine einzelne Seitenwand ein bewegliches Tor umfasst, und wobei sich die Eindämmplatte (112) entlang des Tores erstreckt und zwischen einer ersten Position, wenn das Tor geöffnet ist, und einer zweiten Position, wenn das Tor geschlossen ist, beweglich ist.
- Löschwagensystem nach Anspruch 4, wobei sich zwei Seitenwände (102) an einer Ecke treffen, und wobei die Eindämmplatte (112) angrenzend an die Ecke positioniert ist und mindestens eine der Seitenwände (102) überlappt.
- Löschwagensystem nach Anspruch 1, wobei die permeable Barriere (106) Edelstahl umfasst.
- Löschwagensystem nach Anspruch 1, wobei die permeable Barriere (106) von der Oberseite des Löschwagens (100) beabstandet ist.
- Löschwagensystem nach einem vorangehenden Anspruchs, wobei sich die Mehrzahl von Seitenwänden (102) im Allgemeinen orthogonal nach oben von der Basis erstreckt und einen mittleren Bereich umgeben, der konfiguriert ist, um Koks zu enthalten, wobei die einzelnen Seitenwände (102) einen unteren Abschnitt angrenzend an die Basis und einen oberen Abschnitt gegenüber dem unteren Abschnitt umfassen, und wobei der obere Abschnitt von mindestens einer Seitenwand seitlich nach innen in Richtung des zentralen Bereichs abgewinkelt ist.
- Kokslöschwagen (100) nach Anspruch 9, wobei der obere Abschnitt eine feste Barriere umfasst.
- Kokslöschwagen (100) nach Anspruch 9, wobei der obere Abschnitt in einem Winkel von 10 Grad bis 90 Grad relativ zu einer vertikalen Ebene nach innen abgewinkelt ist.
- Kokslöschwagen (100) nach Anspruch 9, wobei die oberen Abschnitte von zwei gegenüberliegenden Seitenwänden (102) seitlich nach innen zum zentralen Bereich abgewinkelt sind.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL12890832T PL2938704T3 (pl) | 2012-12-28 | 2012-12-28 | System wagonu gaśniczego dla poprawy odzysku gaszonego koksu |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2012/072166 WO2014105061A1 (en) | 2012-12-28 | 2012-12-28 | Systems and methods for improving quenched coke recovery |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2938704A1 EP2938704A1 (de) | 2015-11-04 |
EP2938704A4 EP2938704A4 (de) | 2016-07-13 |
EP2938704B1 true EP2938704B1 (de) | 2019-08-07 |
Family
ID=51021874
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12890832.4A Active EP2938704B1 (de) | 2012-12-28 | 2012-12-28 | Löschwagensystem zur verbesserung der gewinnung von abgelöschtem koks |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2938704B1 (de) |
CN (1) | CN104903424A (de) |
CA (1) | CA2896473C (de) |
PL (1) | PL2938704T3 (de) |
WO (1) | WO2014105061A1 (de) |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE748087C (de) * | 1939-10-06 | 1944-10-26 | Einrichtung zur UEberfuehrung des gluehenden Kokses aus liegenden Koksoefen unter Abblendung gegen Fliegersicht | |
DE2712111A1 (de) * | 1977-03-19 | 1978-09-28 | Otto & Co Gmbh Dr C | Zur aufnahme eines garen koksbrandes dienender, laengs einer batterie von verkokungsoefen verfahrbarer wagen |
US4141796A (en) * | 1977-08-08 | 1979-02-27 | Bethlehem Steel Corporation | Coke oven emission control method and apparatus |
DE3741893A1 (de) * | 1987-12-10 | 1989-06-22 | Hartung Kuhn & Co Maschf | Koksloeschbehaelter |
JP2001164259A (ja) * | 1999-12-08 | 2001-06-19 | Shinagawa Refract Co Ltd | 炭化炉用消火ボックス |
US8152970B2 (en) * | 2006-03-03 | 2012-04-10 | Suncoke Technology And Development Llc | Method and apparatus for producing coke |
CN100569908C (zh) * | 2007-05-24 | 2009-12-16 | 中冶焦耐工程技术有限公司 | 穹顶式除尘熄焦塔 |
CN201264981Y (zh) * | 2008-09-01 | 2009-07-01 | 鞍钢股份有限公司 | 一种熄焦车挡焦罩 |
US7998316B2 (en) * | 2009-03-17 | 2011-08-16 | Suncoke Technology And Development Corp. | Flat push coke wet quenching apparatus and process |
CN101649210B (zh) * | 2009-06-18 | 2014-01-01 | 张家港长力机械有限公司 | 积水型接熄焦槽装置 |
CN202415446U (zh) * | 2012-01-06 | 2012-09-05 | 山东潍焦集团有限公司 | 熄焦塔挡焦罩 |
-
2012
- 2012-12-28 EP EP12890832.4A patent/EP2938704B1/de active Active
- 2012-12-28 PL PL12890832T patent/PL2938704T3/pl unknown
- 2012-12-28 CA CA2896473A patent/CA2896473C/en active Active
- 2012-12-28 WO PCT/US2012/072166 patent/WO2014105061A1/en active Application Filing
- 2012-12-28 CN CN201280077764.XA patent/CN104903424A/zh active Pending
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
---|---|
EP2938704A1 (de) | 2015-11-04 |
CN104903424A (zh) | 2015-09-09 |
CA2896473A1 (en) | 2014-07-03 |
PL2938704T3 (pl) | 2020-03-31 |
CA2896473C (en) | 2018-06-05 |
EP2938704A4 (de) | 2016-07-13 |
WO2014105061A1 (en) | 2014-07-03 |
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