WO2006090663A1 - コークス炭化炉用昇温炉扉 - Google Patents
コークス炭化炉用昇温炉扉 Download PDFInfo
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- WO2006090663A1 WO2006090663A1 PCT/JP2006/302949 JP2006302949W WO2006090663A1 WO 2006090663 A1 WO2006090663 A1 WO 2006090663A1 JP 2006302949 W JP2006302949 W JP 2006302949W WO 2006090663 A1 WO2006090663 A1 WO 2006090663A1
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- Prior art keywords
- air
- furnace
- chamber
- suction
- plate
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B25/00—Doors or closures for coke ovens
- C10B25/02—Doors; Door frames
- C10B25/06—Doors; Door frames for ovens with horizontal chambers
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B21/00—Heating of coke ovens with combustible gases
- C10B21/10—Regulating and controlling the combustion
Definitions
- the present invention relates to a heating furnace door that opens and closes an entrance / exit of a coatus carbonization furnace, and more specifically, while preventing intrusion of coal particles charged in a coatus carbonization chamber (furnace) of a coatus furnace,
- the ascending furnace for coatus carbonization furnace provided with an in-furnace gas combustion chamber that accelerates the carbonization of coal particles charged near the furnace door of the carbonization furnace and gasifies tar generated during the carbonization and adhering to the furnace door. It relates to the furnace door.
- a coke oven heats from two directions so that coal particles charged in a coatus carbonization furnace are sandwiched between heating chambers (furnaces) provided on both sides of the carbonization furnace to produce dry distillation coatas.
- some of the dry-distilled coatas produced are underburned, unburned coats generated from coal particles near the furnace door that opens and closes the inlet and outlet ports of the coatus extrusion side and coatus discharge side of the coatus carbonization furnace.
- the problem is that a large-sized refractory brick with a thickness of about 400 mm that protrudes from the coatus carbonization furnace side of the furnace door that opens and closes each time the coater kiln is opened, and retains high-temperature heat.
- the heat of the coal particles charged near the furnace door is reduced to a lower temperature by touching the low-temperature coal particles that have been charged and then falling to a lower temperature.
- the cause was that it reached the carbonization temperature slightly behind the center of the furnace.
- the temperature of the furnace door of the carbonization furnace was raised using the high-temperature heat possessed by the in-furnace gas generated in the Kotas carbonization furnace, and was charged near the furnace door.
- Many types of heating furnace doors have been developed that increase the heating rate of coal particles and increase the dry distillation coatus.
- the gas generated in the furnace holding high-temperature heat is passed through a gas passage chamber in a vertical passage that is separated by a thermally conductive metal partition wall of the furnace door that is in contact with coal particles.
- Patent Document 2 “Coking plates that secure a gas passage chamber” Or a furnace door with a metal shielding plate protruding from the furnace door body on the coatus carbonization furnace side through spacer pieces or spacing pieces.
- the gas passage chamber such as the coking plate is formed of a thin steel plate, so that the effect of the rapid and rapid thermal cycle is affected each time the furnace door is opened and closed.
- the gas passage chamber such as the coking plate is formed of a thin steel plate, so that the effect of the rapid and rapid thermal cycle is affected each time the furnace door is opened and closed.
- There is a problem of receiving and deforming a problem of scrubbing the refractory bricks on the wall of the Cortas carbonization furnace every time the gas passage chamber deformed into strain opens and closes the furnace door, and a problem of debris of refractory bricks scrubbed into the dry distillation coatus. It was.
- the furnace height is set in the heat insulation box provided on the Cortas carbonization furnace side of the furnace door body that opens and closes the entrance and exit of the Cortas carbonization furnace.
- the horizontal body support frame is attached to the position where the direction is divided into a plurality of stages, and the coal particle intrusion shielding strips are arranged in the vertical and horizontal directions with minute ventilation gaps between the left and right sides of the horizontal body support frame.
- Combustion gas blow-in with an open and closed closing plate that can be opened and closed in response to changes in the pressure of the gas generated in the furnace, regardless of electrical control or manual operation, in the gas generation chamber in the furnace detachably suspended.
- a suction air delivery pipe with a suspended particle collision member installed in the air chamber We have developed a “Cortus Carbonization Furnace Door” that is equipped with a separate air delivery control device installed in the in-furnace gas passage chamber of the Cotus Carbonization Furnace.
- These Cotas carbonization furnace doors are combusted while supplying the necessary amount of air to burn the unburned in-furnace gas flowing into the in-furnace gas combustion chamber from the ventilation gap of the coal particle intrusion shielding strip.
- the coal particles near the furnace door are heated, and the coal particles deposited at the bottom of the furnace door and the generated tar are burned and disappear.
- Patent Document 1 Japanese Patent Publication No. 3-40074
- Patent Document 2 Japanese Patent Publication No. 61-49353
- Patent Document 3 Japanese Patent No. 2953319
- Patent Document 4 JP-A-8-283735
- Patent Document 5 Japanese Unexamined Patent Application Publication No. 2004-99859
- Patent Document 7 Japanese Patent Application 2004- 276148
- Patent Document 8 # 112004-333740
- the present inventors have provided an unburned furnace that retains high-temperature heat that has flowed into a gas combustion chamber in the furnace attached via a heat insulation box to the coatus carbonization furnace side of the furnace door body that opens and closes the entrance and exit of the coatus carbonization furnace.
- the amount of air required to burn the internally generated gas is supplied by mechanical operation without depending on electrical control, and the generated in the furnace flows backward from the in-furnace gas combustion chamber to the air chamber.
- Various investigations aimed at providing a heating furnace door for the Cotas carbonization furnace equipped with an air delivery control device that separates and removes suspended particles such as coal particles and tar mixed in the gas at the inflow side of the air chamber.
- the gas up-and-down flow guide plate that stalls the outflow rate of the gas generated in the furnace through the gas combustion passage in the furnace, which flows backward through the gas combustion chamber in the Cotas furnace and into the air chamber, and further suction if necessary
- the present invention is configured based on this finding, and the gist of the present invention is that an air inlet is provided with a lower side on one side of an isolation chamber that is divided into left and right by providing a gas elevating flow guide plate in the air chamber.
- the upper side is an air suction pipe with an air outlet with a horizontal end face
- the lower side is the intake air outlet that communicates with the in-furnace gas combustion chamber provided on the Coats carbonization furnace side of the carbonization furnace door, and the upper part.
- a suction air delivery pipe having a suction air inlet as a suction side or a suction air delivery cup having a suction air vent hole formed on the upper side of the side wall surface penetrates the bottom plate of the air chamber and projects into the air chamber.
- a detachable closing valve disc is placed at the intake air discharge port of the air suction pipe described above, and the coil panel that is loosely fitted on the outer periphery of the air suction pipe and is compressed by its own weight is mounted on the air.
- the bottom plate or mount of the chamber Is installed on the intake air discharge port of the air suction pipe, and the blockage board lifting / lowering guide frame surrounding the intake air rectifying guide is installed on the upper part of the outer periphery.
- a compression coil panel loose-fitting ring is provided at a position separated via the compression coil panel, and the upper end side of the compression coil panel is loosely fitted on the air suction port side of the closing valve disc, and the compression coil panel is mounted on the bottom plate or mount of the air chamber.
- a heating furnace door for a coatus carbonization furnace provided with an in-furnace gas combustion air supply amount control nozzle, which is provided with a compression coil panel loose fitting ring for fixing the lower end side of the furnace, attached to the in-furnace gas combustion chamber.
- the above-described gas combustion air supply amount control nozzle in the temperature raising furnace door for the Cortas carbonization furnace of the present invention includes a suction air delivery pipe or suction air in the air chamber.
- Air delivery pipe or suction I A flow baffle is provided inside the air delivery cup However, both or both of them may be provided.
- the air delivery control nozzle for in-furnace gas combustion combusts unburned in-furnace gas generated in the Cortus carbonization furnace and flowing into the in-furnace gas combustion chamber. Since all the air required for the operation is sent to the in-furnace gas combustion chamber by mechanical operation, the maintenance management is simple, the temperature drop in the in-furnace gas combustion chamber due to the excessive amount of air feeding and the coal It has the effect of preventing over-burning (ash differentiation) of particles.
- FIG. 1 A schematic diagram of the present invention, showing a carbonization furnace door that closes an inlet / outlet on a coatus discharge side (or coatus extrusion side) of a coatus carbonization furnace, and its vicinity, a coatus carbonization furnace Shown in the longitudinal section in the height direction.
- FIG. 2 is a partially enlarged cross-sectional perspective view showing an example in which an intake air delivery pipe is provided in the air chamber of the furnace gas combustion air supply amount control nozzle in FIG.
- FIG. 3 A sectional view of the air supply amount control nozzle for in-furnace gas combustion in FIG. 2 is shown.
- FIG. 4 is an enlarged cross-sectional view showing another embodiment in which an suction air delivery cup is provided in the air chamber of the furnace gas combustion air supply amount control nozzle in FIG.
- FIG. 5 is a cross-sectional view of an air supply amount control nozzle for in-furnace gas combustion in the case where a downward mantle cup is provided on the upper side of the suction air delivery pipe in FIG.
- FIG. 6 When a downward facing outer cup is provided on the upper side of the suction air delivery pipe in Fig. 4 Sectional drawing of the air supply amount control nozzle for in-furnace gas combustion is shown.
- FIG. 7 shows an embodiment in which a flow baffle plate is provided in the suction air delivery pipe in the in-furnace gas combustion air supply amount control nozzle of FIG.
- FIG. 8 shows another embodiment in which a flow baffle plate is provided in the suction air delivery cup of the in-furnace gas combustion air supply amount control nozzle of FIG.
- FIG. 9 shows another embodiment in which a flow baffle plate is provided on the suction / suction air delivery pipe in the air supply amount control nozzle for in-furnace gas combustion in FIG.
- FIG. 10 shows another embodiment in which a flow baffle plate is provided in the suction air delivery cup of the in-furnace gas combustion air supply amount control nozzle of FIG.
- Fig. 1 shows a schematic diagram of the present invention.
- the carbonization furnace door that closes the inlet / outlet on the coatus discharge side (or the coatus extrusion side) of the coatus carbonization furnace and its vicinity are shown in the height direction of the coatus carbonization furnace. This is shown in the vertical section of.
- reference numeral 1 is a coatus carbonization furnace, and coal particles 2 are charged. That is, the coatus carbonization furnace 1 is provided with a structure in which the coal particles 2 are heated to a high temperature by a heating furnace (not shown) adjacent to both sides to dry distillation.
- Reference numeral 3 is a carbonization furnace door.
- the carbonization furnace door 3 includes a slide plate 6 and a flange member 7 having a knife-edge cross-section on the coatus carbonization furnace side of a sturdy steel furnace door frame 5 manufactured to have a fastening function structure that presses the inlet / outlet 4 of the Kotas carbonization furnace 1.
- a heat-resistant metal seal plate that contacts the furnace frame 8 of the Kotas carbonization furnace 1, 9 and the in-furnace plate 10, etc., and further filled with commonly used heat insulation 11 such as alumina silicate and ceramics
- An in-furnace gas combustion chamber 13 protruding from the inlet / outlet port 4 of the coater carbonization furnace 1 through an insulating box 12 is provided.
- the in-furnace gas combustion chamber 13 is provided at a position where the furnace height direction of the heat insulation box 12 is divided into a plurality of stages so that the in-furnace gas generated when the coal particles 2 are dry-distilled in the coatus carbonization furnace 1 is easily flowed.
- the horizontal support frame 14 is fixed, and a heat-resistant metal strip 15 is provided on the opposite side or side of the horizontal support frame 14 to provide a narrow gas flow gap (or flow hole) 16 on the left, right, top, or bottom, and both.
- Manufactured into a hollow structure installed vertically and horizontally with free engaging means. It is.
- the in-furnace gas combustion chamber 13 has a heat-resistant metal strip frame inclined to the heat insulating box 12 in an annular or discontinuous ring or coatus carbonization furnace side lower and the heat insulating box side higher, and a gas flow gap on the upper and lower sides. It may be a hollow structure that is provided in a multistage manner. That is, in the present invention, the in-furnace gas combustion chamber 13 is not particularly limited as long as it is provided in the in-furnace gas flow structure of the frame structure into which the in-furnace gas flows.
- Reference numeral 17 denotes an in-furnace gas combustion air supply amount control nozzle, which is attached to the carbonization furnace door 3 and has a structure in which the nozzle tip communicates with the in-furnace gas combustion chamber 13.
- the air supply amount control nozzle 17 for in-furnace gas combustion absorbs an amount of air necessary for burning the in-furnace gas flowing from the coatus carbonization furnace 1 through the gas flow gap 16 into the in-furnace gas combustion chamber 13 !, although the structure will be described in detail later, one unit or two or more units are attached in the furnace height direction of the carbonization furnace door 3 at an arbitrary interval. .
- Reference numeral 18 is a saddle, which strongly presses the carbonization furnace door 3 and closes the inlet / outlet 4 and is manufactured by combining a fastening member such as a compression panel bolt. Further, the carbonization furnace door 3 is provided with a pressing tool 19 that can be moved forward and backward using a cylinder, a panel, or the like that presses the flange member 7 of the seal plate 9 that seals the inlet / outlet 4 against the furnace frame 8. That is, the carbonization furnace door 3 in the present invention is provided in such a structure that the inlet / outlet 4 of the coatus carbonization furnace 1 can be opened and closed, and the in-furnace gas flowing into the in-furnace gas combustion chamber 13 is combusted.
- FIGS. 2 and 3 are partially enlarged cross-sectional views of an embodiment of the air supply amount control nozzle 17 for in-furnace gas combustion attached to the in-furnace gas combustion chamber 13 of the carbonization furnace door 3 in FIG. Shown in perspective view and enlarged cross-sectional view.
- Reference numeral 20 denotes an air chamber.
- the air chamber 20 is a sealed box in which a bottom plate 21, a top plate 22 and a side plate 23 are assembled into a hollow body of any cross-sectional shape such as a rectangular cross section or a cylindrical cross section.
- a structure in which an amount of air necessary for burning unburned gas in the furnace gas flowing into the furnace 13 is sucked and supplied to the furnace gas combustion chamber 13 is provided.
- the air chamber 20 is provided with a gas elevating flow guide plate 24 at an arbitrary position to provide isolation chambers A and B that divide the air chamber into left and right, and one side isolation chamber A (or B ),
- the lower side is the air inlet 25 and the upper side is the horizontal air inlet 26.
- Air suction pipe 27, and the other side isolation chamber B (or A) the lower side is an intake air outlet 28 communicating with the in-furnace gas combustion chamber 13 and the upper side is an intake air inlet 29
- an intake air delivery cup 32 having an intake air inflow hole 31 in the upper side of the side wall surface and an intake air delivery port 28 in the lower side is provided on the bottom plate of the air chamber 20. 21 is provided so as to protrude through the air chamber.
- the gas up-and-down flow guide plate 24 passes from the in-furnace gas combustion chamber 13 to the air suction pipe 27 through the intake air delivery pipe 30 or the intake air delivery cup 32.
- the air gas in the furnace that flows backward is depressurized (decelerated) in the air chamber 120, and suspended particles such as coal and tar mixed with the gas in the furnace are dropped, removed, and cleaned.
- One gas flow dam plate 33 shorter than 20 vertical lengths is fixed to the bottom plate 21 or the top plate 22, or in the case of two or more, a gas flow gap 34 in the furnace is provided on the left and right to provide air.
- the gas flow weir plate 33 is a combination of strip members such as flat cross-sectional material, arc-shaped cross-sectional material, and corrugated cross-sectional material in the same shape or arbitrary composite shape, and the gas in the furnace is meandered up and down.
- a gas up-and-down flow guide plate 24 that circulates in the air chamber 20 is formed.
- the suction of the air suction pipe 27 is controlled in order to control the suction amount (sending amount) of the air supplied to the furnace gas combustion chamber 13 to a necessary amount.
- a detachable blocking valve disc 35 is placed in the air discharge port 26, and a coil panel 36 that is compressed by its own weight is mounted on the outer peripheral upper side of the air suction pipe 27, and the air suction pipe
- the closed valve board lifting guide frame 38 with the closed valve board flight stop plate 37 installed at the position where the outer peripheral force of 27 is also separated is fixed to the mount 39 or the bottom plate 21 of the air chamber 20.
- the in-furnace gas combustion air supply control nozzle 17 in the present invention is connected to the in-furnace gas combustion chamber 13 when the in-furnace gas combustion chamber 13 is brought into a positive pressure by the in-furnace gas flowing from the coatus carbonization furnace 1.
- 20 is also positive pressure
- the closing valve disc 35 closes the suction air discharge port 26 with the force S not compressing the compression coil panel 36 and stops the suction of air.
- the air chamber 20 when the gas combustion chamber 13 in the furnace has a negative pressure, the air chamber 20 also has a negative pressure, and the block valve plate 35 floats so as to be sucked up from the air suction pipe 27. Elongates and intake air Open discharge port 26 and suck in air.
- the upper end of the compression coil panel 36 is idled on the air suction pipe side of the closing valve board 35 so that the closing valve board 35 can vertically move up and down above the intake air discharge port of the air suction pipe 27.
- a compression coil panel loose fitting ring 40 to be fitted is provided, and a compression coil panel loose fitting ring 41 to loosely fit the lower end portion of the compression coil panel 36 is provided on the bottom plate 21 or the mount 39 of the air chamber 20.
- the compression coil panel loose-fitting ring 40 is a guide ring that is mounted in a fixed position without having to ride on the compression coil panel 36 when the ascending / descending valve disc 35 descends.
- a light material such as a glass plate, a metal plate, a mica plate, or synthetic resin.
- glass plates are more suitable than other materials because they have excellent flatness that does not change to operating temperature without being transformed into gas.
- the compression coil panel 36 assists the floating action of the closing valve disc 35 and absorbs the impact when it is lowered.
- the compression coil panel 36 uses a panel having a compression force and an extension force that bear the weight of the closing valve disc 35. To do.
- the closing valve board flight stop plate 37 installed above the closing valve board elevating guide frame 38 stops the flight of the closing valve board 35 rising to an excessive height, and its shape is a circle. Plates or strips having an arbitrary shape such as a plate, an annular plate or a ribbon shape are used.
- the closing valve board elevating guide frame 38 itself has a gap that does not hinder the elevating operation of the closing valve board 35, and the air sucked from the air suction pipe 27 is easy to freely flow in the air chamber 20.
- it is provided in a framework structure in which two or three or more guide frame rods are erected at spaced positions surrounding the air suction pipe 27.
- an intake air rectifying guide plate that surrounds the upper outer peripheral side of the closing valve board elevating guide frame 38 so that the suction air sucked from the air suction pipe 27 easily flows out of the air chamber 20 in a circulating state. 42 is established.
- the upper end portion of the intake air rectifying guide plate 42 may be provided close to the obstruction valve board flight stop plate 37 or bonded to an integral member.
- the in-furnace gas combustion air supply amount control nozzle 17 configured as described above is opened and closed as shown in FIG. 1 at the intake air delivery pipe 30 or the intake air delivery port 28 of the intake air delivery cup 32.
- an air jet nozzle pipe 45 installed in the in-furnace gas combustion chamber 13 via a nozzle 43 and / or an intake air guiding pipe 44 or both.
- a nozzle 43 and / or an intake air guiding pipe 44 or both When the air supply control nozzle 17 for in-furnace gas combustion and various connection pipes are clogged or damaged, it is convenient for disassembly and repair work or parts replacement work. The assembly method by is convenient.
- the use of the open / close valve 43 is convenient when the air that has become unnecessary suddenly is stopped manually.
- the nozzle shape of the air ejection nozzle pipe 45 is not particularly limited, and a nozzle hole having an arbitrary shape such as a pipe hole or a dispersion nozzle hole may be used.
- the temperature rising furnace door for the coatus carbonization furnace of the present invention configured as described above is handled in the same manner as the conventional furnace door described above, and a coatus manufacturing operation is performed.
- a large amount of in-furnace gas containing unburned gas generated from the coal particles 2 flows out from the upper exhaust port (not shown) of the Kotas carbonization furnace 1, and a part thereof It flows into the inner gas combustion chamber 13, and both the Kotas carbonization furnace 1 and the furnace gas combustion chamber 13 become positive pressure.
- the in-furnace gas combustion air supply amount control nozzle 17 is interlocked with the positive pressure in the in-furnace gas combustion chamber 13, and the closing valve disc 35 of the air chamber 20 connects the intake air discharge port 26 of the air suction pipe 27. It descends as if it is pressed, blocking air suction.
- the pressure of the gas in the furnace gradually decreases as the carbonization time elapses, and the positive and negative pressure changes alternately at the positive and negative pressure boundary region as the end of the carbonization end approaches.
- the reason for this change in the furnace gas pressure in the positive / negative pressure boundary region is not clear at the present time, but according to the inventors' inference, the reduction in the amount of gas generated in the furnace from coal particles 2 is reduced.
- the air chamber 20 also becomes negative pressure, and the closing valve disc 35 is sucked up from the intake air discharge port 26 of the air suction pipe 27 and floats.
- an amount of air commensurate with the ascent time that is, an amount of air necessary for burning the in-furnace gas flowing into the in-furnace gas combustion chamber 13 is fed to burn unburned gas.
- the combustion gas pressure in the furnace 13 becomes a positive pressure by the combustion pressure at this time, and the closing valve disc 35 closes the intake air discharge port 26 of the air suction pipe 27 and stops sucking air.
- the furnace gas that flows back to the air chamber 20 through the intake air delivery pipe 30 or the intake air delivery cup 32 under the influence of the combustion pressure is reduced by the flow resistance of the gas elevating flow guide plate 24, Part of suspended particles such as coal mixed in the gas falls into the intake air delivery cup 32 and falls into the isolation chamber B of the air chamber 20 and accumulates. Because of this, the isolation chamber A of the air chamber 20 isolated by the gas lifting / lowering flow guide plate 24 is not contaminated by suspended particles mixed in the furnace gas in the vicinity of the closing valve plate 35 of the lifting / lowering function. An amount of air necessary to burn the furnace gas flowing into the gas combustion chamber 13 is sent.
- FIGS. 5 and 6 show another embodiment of the air supply amount control nozzle 17 for in-furnace gas combustion in the present invention, and the intake air delivery provided in the isolation chamber B of the air chamber 20 is shown.
- a down jacket cup 46 with a large diameter is put on the upper side of the intake air inlet 29 of the pipe 30 or the intake air inflow hole 31 of the intake air delivery cup 32 so as to form a stagnation space chamber S for the gas in the furnace Indicates.
- the in-furnace gas stagnation space chamber S decelerates the in-furnace gas that flows backward through the intake air delivery pipe 30 or the intake air delivery cup 32 at a high speed due to an instantaneous high pressure phenomenon in the furnace gas combustion chamber 13.
- FIG. 7, FIG. 8, FIG. 9 and FIG. 10 show another embodiment of the air supply amount control nozzle 17 for in-furnace gas combustion in the present invention.
- An embodiment in which a flow baffle plate 47 is provided in the in-furnace gas passage of the intake air delivery nozzle 30 or the intake air delivery cup 32 shown is shown.
- the flow baffle 47 is an instantaneous high-pressure phenomenon in which unburned gas is burned in the furnace gas combustion chamber 13, and rises while the suction air delivery pipe 30 or the suction air delivery cup 32 flows backward from the furnace gas combustion chamber 13.
- the internal gas is decelerated, and floating particles such as coal mixed in the furnace gas are collided and separated and removed on the side of the furnace gas combustion chamber, and blown into the furnace gas combustion chamber 13 during the next air supply.
- Outlet pipe 30 or suction arch The air delivery cup 32 is a gantry at the upper end, has a spiral blade around the suspension shaft 48 fixed to the top plate 22, and the outer periphery of the suspension shaft 48 Alternatively, the inner wall surface of the suction air delivery pipe 30 or the suction air delivery cup 32 may be provided with plate blades such as flat blades and inclined blades.
- the in-furnace gas flowing backward from the Cotas carbonizing furnace 1 through the in-furnace gas combustion chamber 13 to the in-furnace gas combustion air supply control nozzle 17 passes through the suction air delivery pipe 30 or the suction air delivery cup 32. It collides with the flow baffle plate 46 and decelerates, and some of the suspended particles such as coal mixed in the gas in the furnace are dropped, and the remaining suspended particles are also removed while passing through the gas elevating flow guide plate 24. Therefore, the air supply control nozzle 17 for combustion gas in the furnace is contaminated by the floating particles mixed in the furnace gas with the isolation chamber A and the shut-off valve plate 35 separated from the air chamber 20 by the gas elevating flow guide plate 24. Therefore, an amount of air necessary for burning the furnace gas flowing into the furnace gas combustion chamber 13 is stably supplied over a long period of time.
- the air supply amount control nozzle 17 for in-furnace gas combustion according to the present invention can be obtained even if there is a difference in part of the internal structure of the nozzle, as is apparent from the comparison of FIG. 7 and FIG.
- the floating particles mixed in the furnace gas inside the nozzle are removed by a two-stage structure of the gas up-and-down flow guide plate 24 and the flow baffle plate 47, so that the vicinity of the furnace door main body is removed. This produces the effect of suppressing the generation and adhesion of tar and reliably delivering the amount of air necessary for burning the unburned gas in the furnace gas combustion chamber 13 over a long period of time.
- the in-furnace gas combustion air supply control nozzle 17 having the above-described structure is provided in the in-furnace gas combustion chamber 13 attached to the coatus carbonization furnace side of the furnace door body.
- the heating furnace door is a high temperature heat that the in-furnace gas that has flowed into the in-furnace gas combustion chamber 13 and the unburned coal contained in the in-furnace gas. Since it is heated by the combustion heat of gas, the generation of defective coatas is significantly reduced and the production yield of dry distillation coats is improved.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06714090A EP1854866A1 (en) | 2005-02-22 | 2006-02-20 | Temperature raising furnace door for coke carbonization furnace |
US11/884,810 US20080271985A1 (en) | 2005-02-22 | 2006-02-20 | Coke Oven Doors Having Heating Function |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005084745A JP4714493B2 (ja) | 2005-02-22 | 2005-02-22 | コークス炭化炉用昇温炉蓋 |
JP2005-084745 | 2005-02-22 | ||
JP2005122919A JP4729334B2 (ja) | 2005-03-24 | 2005-03-24 | 炉蓋側装入石炭粒子の昇温促進用コークス炭化炉蓋 |
JP2005-122919 | 2005-03-24 |
Publications (1)
Publication Number | Publication Date |
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WO2006090663A1 true WO2006090663A1 (ja) | 2006-08-31 |
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ID=36927303
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Application Number | Title | Priority Date | Filing Date |
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PCT/JP2006/302949 WO2006090663A1 (ja) | 2005-02-22 | 2006-02-20 | コークス炭化炉用昇温炉扉 |
Country Status (4)
Country | Link |
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US (1) | US20080271985A1 (ja) |
EP (1) | EP1854866A1 (ja) |
KR (1) | KR20070107096A (ja) |
WO (1) | WO2006090663A1 (ja) |
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DE102007042502B4 (de) * | 2007-09-07 | 2012-12-06 | Uhde Gmbh | Vorrichtung zur Zuführung von Verbrennungsluft oder verkokungsbeeinflussenden Gasen in den oberen Bereich von Verkokungsöfen |
US7998316B2 (en) | 2009-03-17 | 2011-08-16 | Suncoke Technology And Development Corp. | Flat push coke wet quenching apparatus and process |
US9200225B2 (en) | 2010-08-03 | 2015-12-01 | Suncoke Technology And Development Llc. | Method and apparatus for compacting coal for a coal coking process |
CN102517043A (zh) * | 2011-11-12 | 2012-06-27 | 太原煤气化股份有限公司 | 焦炉加热温控方法 |
PL2879777T3 (pl) | 2012-07-31 | 2020-08-10 | Suncoke Technology And Development Llc | „Sposób przetwarzania emisji z obróbki węgla oraz związane z nim systemy i urządzenia” |
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US9169439B2 (en) | 2012-08-29 | 2015-10-27 | Suncoke Technology And Development Llc | Method and apparatus for testing coal coking properties |
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- 2006-02-20 WO PCT/JP2006/302949 patent/WO2006090663A1/ja active Application Filing
- 2006-02-20 US US11/884,810 patent/US20080271985A1/en not_active Abandoned
- 2006-02-20 KR KR1020077019986A patent/KR20070107096A/ko not_active Application Discontinuation
- 2006-02-20 EP EP06714090A patent/EP1854866A1/en not_active Withdrawn
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US20080271985A1 (en) | 2008-11-06 |
KR20070107096A (ko) | 2007-11-06 |
EP1854866A1 (en) | 2007-11-14 |
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