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
  • C10B39/04—Wet quenching
• • 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
  • C10B39/04—Wet quenching
  • C10B39/08—Coke-quenching towers
• • 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 invention relates to a method and apparatus for breaking up a fresh and warm coke load in a receptacle with movable panel segments, wherein the coke charge in the receptacle of a flatbed trolley is conveyed to a quench tower in which the coke charge is cooled with movable panel segments takes place at ambient temperatures, so that loosens the coke structure and form gap-like depressions in the compacted Kokscharge, and through these gap-like depressions in the subsequent deletion an increased amount of water can flow into the interior of the Kokscharge, resulting in the reduced Abschöschzeit and the Lower water consumption when extinguishing the coke sets a better economy of the process, increased coke quality and a reduced emission burden of the environment.
• the invention also relates to a device for carrying out the method.
• the coke-quenching device can be moved, at least partially, separately below the coke-transfer machine in the form of an extinguishing agent.
• the fire truck typically includes a sump that receives the coke from the coke oven chamber and travels to the extinguishing tower.
• the fire truck is typically moved on rails and can be moved by means of a transport device directly under the extinguishing tower.
• the quench tower is a wet quench tower in a common embodiment but may also be a dry quench tower.
• coking from coal to coke is also often carried out in coke oven chambers of the so-called "heat-recovery” or “non-recovery” type.
• Modern coke ovens of the “heat recovery” or “non-recovery” type are not equipped with these vacuum transfer machines.
• the coke is treated after coking pushed into a flatbed wagon, which is at the same height level as the lower edge of the furnace, bypassing the emission-rich expression of the coke, as the coke cake does not rush vertically out of the furnace.
• the coke In the coke oven industry, the coke is considered to have completely cooked out when the content of volatile constituents is less than 1.8% by weight (% by weight). These volatile residual components are heterogeneously distributed inside the coke charge and usually burn when they come into contact with an oxygen-containing ambient atmosphere.
• the coke is usually pressed with medium temperatures between 900 to 1 100 ° C in this fire truck.
• the fire truck is driven to the extinguishing tower following the process of pushing out. In the extinguishing tower, the coke is then cooled down to temperatures of about 100 ° C. by addition of water.
• the invention describes a device for extinguishing discharged from horizontal coking coke, consisting of a movable on the coke side along the furnace battery or chargeable by a receiving carriage for the glowing coke Stationary extinguishing space with a slot-like part and a coke collecting space, which is followed by a circulating conveyor grate arranged above sprayer, wherein above the conveyor grate see between the means for controlling the coke layer height and the spray system by a heatable medium through which tube bundles are provided, which optionally with known per se bundles of coke collection space in connection.
• Embodiments for a pickup truck or fire truck and its control are given by WO 2006/089612 A1, US 5564340 A and EP 964049 A2.
• the aim is to reduce the emissions in the process of expressing and extinguishing finished coke cake or almost completely exclude. Reduction of emissions can be achieved by transporting the coke cake to the quenching tower after squeezing without further mechanical treatment.
• the ash layer produced by the combustion of the uppermost coal layers largely protects the coke from further combustion during transport to the extinguishing tower, and does not contribute to the emissions unless it is whirled up. There is therefore the task of providing a method available, which allows the deletion and cooling of the glowing coke immediately after expressing in the quench tower, without leading to an uneven distribution of the temperature or the water content of the coke charge and at the same time by avoiding of emissions protects the environment.
• the invention solves this problem by a method which provides over the bottom plate of the sump of a Löschwagens a plate which is divided into movable segments, and these segments above the bottom of the receptacle shortly before or during the deletion by a controllable drive against each other be moved or raised so that the fresh Kokscharge tears and form in the coke additional column, channels and free-edge surfaces, in which the cooling medium from the cooling medium nozzles located above flows and the exposed surfaces in the Kokscharge are wetted by the cooling medium.
• a method which actively supports the process of extinguishing a coke cake during the extinguishing process in the extinguishing tower, so that the process of extinguishing can be aligned with the conditions of the coke cake and the extinguishing tower.
• Claimed is in particular a method for breaking up a fresh and warm coke charge in a receptacle, wherein • the coke oven chamber of a coke oven bank of the "heat recovery” or “non-recovery” type is loaded with coal intended for coking and coked in a cyclical process, and
• the coke is expressed after the coking process as a compact and solid coke cake from the coke oven chamber through a printing machine in the receptacle of a Löschwagens, and
• the cooling medium By breaking up the coal charge, which is caused by the movement of the movable segments or surface segments in the plate on the bottom of the sump, the cooling medium can reach the exposed faces of the coke cake, the total surface area is greatly increased by the breaking up of the coal cake , As a result, the deletion process is much more intense.
• the environment is spared because the upset by the breakup of the batch harmful ash and coke dust when breaking up only very little and then washed out by the trickling water from the steam atmosphere in the extinguishing tower and thus does not enter the environment.
• the ash and coke dust can later be further processed in settling tanks.
• the segments are horizontally displaceable against each other in an embodiment of the invention in the longitudinal or transverse direction of the bottom of the receptacle. In this case, at least one of the segments is extended by 5 to 400 mm from its drawn position. In a further embodiment of the invention, the segments are vertically displaceable against each other, and at least one of these segments is lowered or raised by 5 to 600 mm from its initial position.
• a flat bed wagon of a coking plant of the "heat recovery" or "non-recovery” type usually has a wagon width between 2.0 and 4.5 m and a wagon length between 10 and 16 m.
• the segments can also break apart the coke charge by a shaking.
• the shaking process can be carried out in any direction. This can be carried out by way of example in the horizontal direction or in the vertical direction.
• the segments are vibrated vertically or horizontally at a frequency of 50-70 Hz, for example, so that the coke charge breaks up due to shaking.
• the vibration frequency can be arbitrary.
• the nozzles for the cooling medium can be arranged arbitrarily in the extinguishing tower. However, these are preferably arranged so that the cooling medium best reaches the broken apart by the movable segments coke cake. These are arranged in an exemplary embodiment in the extinguishing tower above the Löschwagens with the receptacle.
• the nozzles for the cooling medium can also be arranged above the extinguishing agent with the receptacle, so that they are movable in the nozzle plane of the extinguishing tower, so that they can be aligned for the deletion process. As a result, the nozzles in the extinguishing tower can be brought virtually to any position.
• the cooling medium is preferably water.
• the cooling medium may also be a cooling, combustion-inert gas.
• a device for breaking up a fresh and warm coke charge in a receptacle comprising a horizontal coke oven came as part of a coke oven bank "heat recovery” or “non-recovery” with front coke oven doors, a receptacle, which is placed on or in a fire extinguisher for fresh coke, the coke quenching carriage is moved in parallel along the coke oven chamber front a quenching tower, under which the quenching carriage is moved by a transport device, and which is characterized in that
• the extinguishing tower has one or more nozzles for the discharge of cooling medium on the coke cake, which is temporarily located in the receptacle of the Löschwagens below, and
• a plate Above the bottom of the drip pan is a plate which is divided into movable segments, and the segments are mutually displaceable by a controllable drive, and
• these segments are covered with a heat-resistant material, or made of a heat-resistant material, so that they withstand the high temperatures of the glowing coke.
• the movable segments can be worked so that they seal off the coke cake against the bottom plate of the sump.
• the segments may be overlapping or abutting one another.
• the segments can in principle be shaped as desired, but preferably allow seamless meshing.
• the segments are made of a conceivable embodiment of Teflon material. As a result, the sliding properties of the segments for the coke can be improved.
• the segments may also be advantageously sealed against each other for carrying out the invention with a sealing material.
• a sealing material As a result, no coke gets between the segments and the bottom plate, and the wall of the sump is protected against the coke. At the same time, no coke gets out of the collecting pan of the extinguishing agent due to possible receiving openings.
• the segments can also contain a sealing material or sealing elements at the transition surfaces. The generation of the force and the power transmission to the movement of the segments can be done arbitrarily.
• the segments are non-positively connected for movement with rods or chains for transmitting the force.
• the segments are non-positively connected for movement with at least one propeller shaft for power transmission.
• the power transmission devices may be attached to the segments in any manner.
• hooks can be arranged on the power transmission devices and eyelets on the segments, via which the power transmission is carried out.
• the power transmission can also take place via rods which are provided with an annular connecting member, so that the connection is correspondingly flexible.
• the devices for power transmission can be performed arbitrarily in the drip pan and in the fire truck. These can be performed by way of example through openings in the bottom of the collecting trough of Löschwagens.
• the devices for transmitting power can also be guided through openings in the lateral wall of the collecting trough of Löschwagens.
• the drives for moving the segments are mounted in a preferred embodiment on the fire truck. But they can also be integrated stationary in the side surfaces of the extinguishing tower.
• the power transmission for moving the movable segments is carried out in an advantageous embodiment of power transmission devices through openings in the walls or in the bottom of the fire or the fire, after they are driven into the quenching tower.
• the power transmission devices may be connected to one or more stretchable cylinders that drive these devices so as to move the segments.
• the power transmission devices are connected in an advantageous embodiment with one or more stretchable cylinders, these cylinders are mounted on the fire truck.
• the power transmission devices are connected to one or more stretchable cylinders, these cylinders being mounted on the side walls of the extinguishing tower.
• the stretchable cylinders can be moved by way of example hydraulically. However, any stretchable cylinders can also be moved pneumatically. Finally, the stretchable cylinders can also be moved electrically.
• the invention has the advantage of providing a method which allows the extinguishing and cooling of the glowing coke in the extinguishing tower, without resulting in an uneven distribution of the temperature or the water content of the coke charge, while the environment is protected, since the upset by the breakup of the batch harmful ash and coke dust when breaking up only very little and then washed out by the trickling water from the steam atmosphere in the extinguishing tower and thus does not get into the environment.
• a method which actively supports the process of extinguishing a coke cake during the extinguishing process in the extinguishing tower, so that the process of extinguishing can be adapted to the conditions of the coke cake and the extinguishing tower.
• FIG.1 shows a closed arrangement of movable segments according to the invention.
• FIG. 2 shows an opened arrangement of movable segments according to the invention.
• FIG. Figure 3 shows a fire truck provided with an array of two movable segments above the bottom of the drip pan.
• FIG.4 shows the same fire truck with the segments in motion, so that the coke cake tears apart.
• FIG.5 shows a fire truck equipped with an open arrangement of two movable segments above the bottom of the drip pan.
• FIG.6 shows a fire truck with the inventive segments, which is located under a quenching tower, in frontal view.
• FIG.7 shows the same fire truck with the segments according to the invention in a side view.
• FIG 8 shows a fire truck in a side view, which is located under a quenching tower, with aligned arrangement of the nozzles, in which the devices are transmitted to force transmission through openings in the wall of the quenching.
• FIG.9 shows the same Löschwagen in a side view, which is equipped with transversely opening segments.
• FIG. 1 shows a closed arrangement (1a) of segments (2) according to the invention, which are intermeshed, and thereby form a closed plate (1).
• the segments (2) have been pulled apart, so that a Opening (3) located in the middle of the plate.
• the segments (2) are movable in the horizontal direction.
• Shown is also a stretchable cylinder (4) for generating the movement, which is actuated via a motor (4a) for generating the force.
• the transmission of the power of cylinder (4) to the segments (2) is effected with a rod (5) which is fixed in an eyelet (6) in the segments (2).
• FIG.4 shows the same fire truck (7) with the segments (2) in vertical motion, so that the fresh coke cake (9) in two partial batches (9a) tearing apart.
• FIG.7 shows the same fire truck (7) with the inventive segments (2) in a side view.
• the wheels (11) of Löschwagens (7) the axis (11a) for supporting the wheels (11), and the rail (12) on which the Wheels (11) are stored.
• Under the fire truck (7) sit four cylinders (4) for generating the force, which serve to move the segments (2).
• the force is transmitted here by way of example by rods (5) which are arranged through receiving openings (10) in the bottom (8) of the receiving trough of Löschwagens (7).
• the coke cake (9) is broken down into four pieces in length, so that the nozzles (15) arranged in the upper part of the quenching tower (14) can be precisely aligned with the flanks (9c) of the split-up coke cake (9) ,
• the break points of the coke cake (9) can be accurately estimated by the position of the segments (2).
• FIG 8 shows a fire truck (7) in a side view, which is located under a quenching tower (14), with aligned arrangement of the nozzles (15), in which the devices for transmitting power through openings (16) in the side wall the collecting trough (8) of Löschwagens (7) are guided.
• the movable segments (2) are located above the bottom of the sump (8) and are moved by two extendible cylinders (4).
• the transmission of the force is effected by rods (5) which are provided with an annular connecting member (5a), so that the connection is correspondingly flexible.
• the lateral segments (2a) are moved in the longitudinal direction of the coke cake (9) so that the coke cake breaks up into a plurality of partial charges (9a).

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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)

Applications Claiming Priority (2)

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• 2011
  • 2011-01-21 DE DE102011009175.0A patent/DE102011009175B4/de not_active Expired - Fee Related
  • 2011-12-08 BR BR112013018245A patent/BR112013018245A2/pt not_active IP Right Cessation
  • 2011-12-08 US US13/980,940 patent/US9458383B2/en active Active
  • 2011-12-08 CA CA2822857A patent/CA2822857A1/en not_active Abandoned
  • 2011-12-08 WO PCT/EP2011/006168 patent/WO2012097841A1/de not_active Ceased
  • 2011-12-08 EP EP11805405.5A patent/EP2665800A1/de not_active Withdrawn
  • 2011-12-08 JP JP2013549722A patent/JP2014506605A/ja active Pending
  • 2011-12-08 CN CN201180064072.7A patent/CN103298913B/zh active Active
  • 2011-12-08 PH PH1/2013/501298A patent/PH12013501298A1/en unknown
  • 2011-12-08 RU RU2013134626/05A patent/RU2593161C2/ru not_active IP Right Cessation
  • 2011-12-08 KR KR1020137021740A patent/KR20140044779A/ko not_active Withdrawn
  • 2011-12-08 MX MX2013008385A patent/MX2013008385A/es not_active Application Discontinuation
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• 2012
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• 2013
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  • 2013-07-17 ZA ZA2013/05381A patent/ZA201305381B/en unknown
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