WO2018111047A1 - Unité d'alimentation en gaz d'échappement mixte et four à coke la comprenant - Google Patents

Unité d'alimentation en gaz d'échappement mixte et four à coke la comprenant Download PDF

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Publication number
WO2018111047A1
WO2018111047A1 PCT/KR2017/014882 KR2017014882W WO2018111047A1 WO 2018111047 A1 WO2018111047 A1 WO 2018111047A1 KR 2017014882 W KR2017014882 W KR 2017014882W WO 2018111047 A1 WO2018111047 A1 WO 2018111047A1
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WO
WIPO (PCT)
Prior art keywords
exhaust gas
air
supply unit
mixing
chamber
Prior art date
Application number
PCT/KR2017/014882
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English (en)
Korean (ko)
Inventor
신동남
양희정
박지혜
Original Assignee
주식회사 포스코
재단법인 포항산업과학연구원
Priority date (The priority date 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 date listed.)
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Application filed by 주식회사 포스코, 재단법인 포항산업과학연구원 filed Critical 주식회사 포스코
Publication of WO2018111047A1 publication Critical patent/WO2018111047A1/fr

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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
    • C10B21/18—Recirculating the flue gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • 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

Definitions

  • the present invention relates to a flue gas mixing supply unit and a coke oven comprising the same.
  • the coke process is one of steelmaking processes in which coke is charged into a carbonization chamber of a coke oven and carbonized using heat generated by burning a fuel gas as a heat source in a combustion chamber.
  • the combustion management for the temperature control of the furnace is very important for the operation of the coke furnace.
  • the coke oven is supplied with the necessary fuel gas and combustion air, depending on the operating rate.
  • Fuel and air enter through a gas inlet box (GIB) and an air inlet box (AIB), respectively.
  • GEB gas inlet box
  • AIB air inlet box
  • combustion air is supplied at an excess air ratio to improve combustion efficiency and prevent incomplete combustion.
  • An object of the present invention is to provide an exhaust gas mixing supply unit and a coke oven including the same, which can increase combustion efficiency while efficiently reducing generation of nitrogen oxides.
  • Exhaust gas mixture supply unit is provided adjacent to the air inlet and the air inlet formed in one end of the air inlet for the air flow for combustion, the exhaust gas is provided, the air mixture It is provided to protrude into the interior of the chamber, it may include an exhaust gas nozzle formed with a plurality of discharge holes in the longitudinal direction.
  • the exhaust gas nozzle of the exhaust gas mixture supply unit is provided to protrude into the inside of the air mixing chamber, the discharge hole is provided in the longitudinal direction of the nozzle body and the upper end of the nozzle body And, it is provided to be inclined in the direction toward the mixing outlet of the air mixing chamber in which the mixed gas is a mixture of air and exhaust gas, the upper portion may be formed to include an inclined pipe to discharge the exhaust gas.
  • the nozzle body of the exhaust gas mixing supply unit according to an embodiment of the present invention, the direction inclined at a predetermined angle in the direction toward the side wall portion of the air mixing chamber in the direction from the air inlet of the air mixing chamber toward the mixing outlet
  • the discharge hole may be formed.
  • the nozzle body of the exhaust gas mixing supply unit protrudes to the lower wall of the air mixing chamber in a direction perpendicular to the direction in which the discharge hole from the air inlet of the air mixing chamber toward the mixing outlet And may be formed.
  • the air inlet is formed at one end, the chamber formed with a mixed outlet for discharging the mixed gas mixed with the air and exhaust gas at the other end It is provided inside the body and the chamber body, it may include a guide plate formed horizontally in the direction from the air inlet to the mixing outlet.
  • the guide plate of the exhaust gas mixture supply unit according to an embodiment of the present invention, the plurality of guide plates are provided side by side in the vertical direction of the chamber body, and gradually from the guide plate provided at the lowermost to the guide plate provided at the top It may be characterized in that it is provided adjacent to the air inlet.
  • the guide plate of the exhaust gas mixture supply unit may be characterized in that the protrusion tab is provided at one end provided adjacent to the exhaust gas nozzle to form a vortex.
  • the coke oven is connected to the exhaust gas mixing supply unit, the mixing outlet formed in the other end of the exhaust gas mixing supply unit and the combustion unit and the combustion unit to receive a mixed gas of exhaust gas and air and It is connected, and may include a carbonization unit that is circulated supply of the exhaust gas to the exhaust gas mixture supply unit, the coke is charged.
  • the combustion unit of the coke oven connected to the exhaust gas mixing supply unit receives the mixed gas, is connected to the combustion chamber and the combustion chamber connected to the carbonization unit, to the combustion chamber It may include additional supply piping for supplying additional air.
  • the carbonization unit of the coke oven is connected to the combustion chamber, the carbonization chamber in which coke is charged, connected to the plurality of carbonization chamber, discharge the exhaust gas discharged from the carbonization chamber to the outside Is connected to the chimney member and the chimney member, and may include a circulation fan for supplying a portion of the exhaust gas to the exhaust gas mixture supply unit.
  • the exhaust gas mixing supply unit of the coke oven comprises an orifice member provided between the exhaust gas nozzle and the circulation fan, the orifice member, the plurality of combustion chambers are provided
  • a plurality of dogs are provided
  • the orifice member connected to the combustion chamber closest to the circulation fan and the orifice member connected to the combustion chamber provided at the outermost portion of the circulation fan are formed to have a smaller hole cross-sectional area through which exhaust gas passes, They may be provided so as to be supplied with the exhaust gas of a uniform flow rate to each other.
  • the exhaust gas mixing supply unit of the present invention and the coke oven including the same can be provided by uniformly mixing the exhaust gas and air for combustion, thereby reducing the generation of nitrogen oxides by increasing the efficiency of delaying combustion or inducing incomplete combustion. It can be effective.
  • the exhaust gas mixing supply unit of the present invention and the coke oven including the same are additionally supplied after the incomplete combustion to complete the combustion completely, there is an advantage that can ensure the combustion efficiency.
  • FIG. 1 is a side view showing a coke oven of the present invention.
  • Figure 2 is a perspective view of the exhaust gas mixture supply unit of the present invention.
  • Figure 3 is a side view showing the exhaust gas mixture supply unit of the present invention.
  • Figure 4 is a perspective view of the exhaust gas nozzle in the exhaust gas mixture supply unit of the present invention.
  • Figure 5 is a graph showing the distribution of the exhaust gas discharged from the mixing outlet of the exhaust gas mixture supply unit of the present invention.
  • FIG. 6 is a graph showing a comparison between the present invention and the conventional nitrogen oxide generation rate.
  • the exhaust gas mixing supply unit 100 and the coke oven including the same can be provided by uniformly mixing the exhaust gas and air for combustion, thereby increasing the efficiency of delaying combustion or inducing incomplete combustion to generate nitrogen oxides. The effect of reducing this can be enhanced.
  • Figure 1 is a side view showing a coke oven of the present invention
  • Figure 7 is a graph showing the comparison between the present invention and the conventional incomplete combustion rate.
  • the coke oven according to an embodiment of the present invention is connected to the exhaust gas mixing supply unit 100 and the mixing outlet 111b formed at the other end of the exhaust gas mixing supply unit 100 to exhaust gas.
  • a carbonization unit 300 connected to the combustion unit 200 and the combustion unit 200 that receives a mixed gas of air and air, and circulates and supplies exhaust gas to the exhaust gas mixing supply unit 100, and is supplied with coke. It may include.
  • the exhaust gas mixing supply unit 100 may include an exhaust gas nozzle 120 capable of uniformly mixing the supplied exhaust gas with air, thereby providing the exhaust gas and the mixed gas of the air uniformly including the exhaust gas. .
  • the combustion temperature is limited to a certain range, thereby reducing the generation of nitrogen oxide generated at a high temperature. And the air can be directed to use for combustion completely.
  • the exhaust gas mixture supply unit 100 serves to uniformly mix air and exhaust gas, which will be described later with reference to FIGS. 2 to 6.
  • the exhaust gas mixture supply unit 100 includes an orifice member 130, when the combustion unit 200 is provided in plural, uniformly supply the mixed gas to be supplied to the plurality of combustion unit 200 Done.
  • the exhaust gas mixture supply unit 100 is provided in plural in correspondence with the combustion unit 200, by the orifice member 130 provided in each of the exhaust gas mixture supply unit 100, respectively, The exhaust gas mixture supply unit 100 is to receive the exhaust gas of a uniform flow rate.
  • the orifice member 130 is orifice hole 130a and the carbonization unit of the orifice member 130 provided in the exhaust gas mixture supply unit 100 closest to the circulation fan 330 of the carbonization unit 300
  • the orifice hole 130a of the orifice member 130 provided in the exhaust gas mixing supply unit 100 positioned at the outermost portion of the circulation fan 330 of 300 is provided with the smallest diameter.
  • Orifice holes (130a) of the remaining orifice member 130 is provided with a diameter gradually increasing from the closest to the center, and gradually smaller toward the outermost from the center.
  • the exhaust gas mixing supply unit 100 of the coke oven includes an orifice member 130 provided between the exhaust gas nozzle 120 and the circulation fan 330,
  • the orifice member 130 is provided with a plurality of corresponding to the combustion chamber 210 is provided with a plurality, orifice member 130 and the circulation associated with the combustion chamber 210 closest to the circulation fan 330 From the fan 330 to the orifice member 130 connected to the combustion chamber 210 provided at the outermost portion to form a smaller hole cross-sectional area through which the exhaust gas passes, so that the combustion chamber 210 to receive the exhaust gas of a uniform flow rate to each other It may be characterized as being provided.
  • the flow rate of the exhaust gas can be uniformly supplied to the plurality of exhaust gas mixture supply units 100.
  • the reason for uniformly supplying the exhaust gas flow rate is that the exhaust gas is no longer moved at the outermost position in the circulation fan 330 so that the flow rate is increased at the outermost portion, so that the orifice member is positioned at the outermost portion.
  • the diameter of the 130 is smaller than the diameter of the orifice member 130 located in the portion adjacent to the center.
  • the diameter of the orifice member 130 located in the closest portion to the center portion It is formed smaller than the diameter of the orifice member 130 located in the portion adjacent to.
  • the combustion unit 200 receives the mixed gas in which air and the exhaust gas are mixed from the exhaust gas mixture supplying unit 100 to perform combustion with the fuel gas.
  • combustion unit 200 is uniformly mixed with the exhaust gas and receives a mixed gas having a low oxygen concentration, incomplete combustion or a combustion delay may occur due to the lack of oxygen when burning the fuel gas.
  • the temperature generated in the combustion unit 200 is limited to a certain temperature, and the generation of nitrogen oxides by the combination of nitrogen and oxygen is suppressed due to the lack of oxygen.
  • the combustion by the mixed gas is one stage of combustion, after which additional air is supplied, thereby performing two stages of combustion to completely burn carbon monoxide generated from incomplete combustion to form carbon dioxide.
  • the coke oven of the present invention provides a second supply of additional air after combustion by the mixed gas to completely burn incompletely burned carbon monoxide due to such a lack of air, thereby inducing a complete combustion after the first combustion.
  • Combustion is performed, and for this purpose, the combustion unit 200 may include a combustion chamber 210 and an additional supply pipe 220.
  • the combustion unit 200 of the coke oven is connected to the exhaust gas mixing supply unit 100 receives the mixed gas, the combustion chamber connected to the carbonization unit 300 ( 210 and an additional supply pipe 220 which is connected to the combustion chamber 210 and supplies additional air to the combustion chamber 210.
  • the additional supply pipe 220 is provided in the portion of the combustion chamber 210 adjacent to the carbonization unit 300 than the exhaust gas mixture supply unit 100. As a result, the carbon monoxide generated after the first stage combustion by the mixed gas supplied from the exhaust gas mixing and supplying unit 100 is completely combusted with the additional air supplied from the additional supply pipe 220.
  • the additional supply pipe 220 may be provided with an additional air control valve is coupled to adjust the air supplied.
  • the carbonization unit 300 is charged with coke, and receives the heat from the combustion unit 200 serves to carbonize the coke.
  • the carbonization unit 300 also serves to circulate the exhaust gas delivered together when transferring heat from the combustion unit 200 to the exhaust gas mixture supply unit 100.
  • the carbonization unit 300 may include a carbonization chamber 310, a chimney member 320, a circulation fan 330.
  • the carbonization unit 300 of the coke oven is connected to the combustion chamber 210, the carbonization chamber 310, the plurality of carbonization chamber 310 and the coke is charged Is connected, connected to the chimney member 320 and the chimney member 320 for discharging the exhaust gas discharged from the carbonization chamber 310 to the outside, to supply a portion of the exhaust gas to the exhaust gas mixture supply unit 100
  • the circulation fan 330 may be included.
  • the carbonization chamber 310 receives the heat burned from the combustion chamber 210, and the coke is charged and carbonized by heat.
  • the carbonization chamber 310 may be provided in communication so as to receive heat from the combustion chamber 210, and may be provided with a waste stool capable of discharging the exhaust gas received from the combustion chamber 210.
  • the chimney member 320 receives the exhaust gas from the waste valve of the carbonization chamber 310 and discharges it to the outside. At this time, some of the exhaust gas is circulated to the exhaust gas mixture supply unit 100 and mixed with air. After it is supplied to the combustion unit 200 again.
  • the circulation fan 330 serves to circulate a portion of the exhaust gas provided to the chimney member 320 to the exhaust gas mixture supply unit 100.
  • the circulation fan 330 is provided on the pipe communicating with the chimney member 320 and the exhaust gas mixture supply unit 100 to form a flow supplied to the exhaust gas mixture supply unit 100.
  • FIG 2 is a perspective view showing the exhaust gas mixture supply unit 100 of the present invention
  • Figure 3 is a side view showing the exhaust gas mixture supply unit 100 of the present invention.
  • Figure 5 is a graph showing the distribution of the exhaust gas discharged from the mixed outlet 111b of the exhaust gas mixture supply unit 100 of the present invention
  • Figure 6 is a graph showing the comparison of the nitrogen oxide generation rate of the present invention and the conventional.
  • the air inlet 111a through which air for combustion flows is formed at one end of the air mixture It is provided adjacent to the chamber 110 and the air inlet 111a, the exhaust gas is provided to flow in, is provided to protrude into the inside of the air mixing chamber 110, a plurality of discharge holes 121 in the longitudinal direction
  • the exhaust gas nozzle 120 may be formed.
  • Air is introduced into the air mixing chamber 110, and serves as a chamber in which the exhaust gas introduced from the exhaust gas nozzle 120 is mixed.
  • the exhaust gas nozzle 120 forms a flow path through which the exhaust gas is supplied in multiple directions, thereby increasing the mixing efficiency of the exhaust gas and the air.
  • the air mixing chamber 110 may include a chamber body 111 having an air inlet 111a through which the air is introduced and a mixing outlet 111b for discharging the mixed gas in which the air and the exhaust gas are mixed. have.
  • the air inlet 111a receives air through the air supply unit 140, and the air supply unit 140 may further include a supply fan for introducing air from the outside, and the flow rate of the supplied air. It may include an air supply control valve to adjust the pressure.
  • the air mixing chamber 110 may further include a guide plate 112 to increase the mixing efficiency of the air and the exhaust gas.
  • the air mixing chamber 110 of the exhaust gas mixing supply unit 100 the air inlet 111a is formed at one end, the air and the exhaust gas is mixed at the other end.
  • the guide plate 112 may be included.
  • the chamber body 111 serves to provide a space in which the air and the exhaust gas are mixed.
  • the mixing discharge port 111b formed in the chamber body 111 supplies the mixed gas to the combustion chamber 210 of the combustion unit 200.
  • the mixed gas is uniformly supplied from the combustion chamber 210.
  • a plurality of mixing outlets 111b may be formed toward the combustion chamber 210 at regular intervals.
  • the guide plate 112 serves to increase the efficiency of mixing the air and the exhaust gas, and serves to form a flow of the mixed gas in which the exhaust gas and the air is mixed to a plurality of mixing outlets (111b) at a uniform flow rate.
  • the guide plate 112 increases the mixing efficiency of the exhaust gas and the air is an advantage that the guide plate 112 can be secured by forming a vortex.
  • the guide plate 112 can be secured by forming a vortex.
  • the flow direction is deformed by collision with the guide plate 112 may form a vortex.
  • a protruding tab 112a may be formed at one end of the guide plate 112.
  • the guide plate 112 of the exhaust gas mixture supply unit 100 is provided with a protrusion tab 112a at one end provided adjacent to the exhaust gas nozzle 120 to provide vortex flow. It may be characterized by forming.
  • the guide plate 112 of the exhaust gas mixture supply unit 100 according to an embodiment of the present invention, a plurality of guide plates 112 are provided side by side in the vertical direction of the chamber body 111, the guide plate 112 provided at the bottom At the top) to the guide plate 112 provided in the upper portion may be characterized in that it is gradually provided adjacent to the air inlet (111a).
  • the mixed gas can be supplied at a uniform flow rate regardless of the formation position of the plurality of mixing discharge ports 111b formed in the longitudinal direction of the chamber body 111.
  • the exhaust gas mixed with the air moved to the upper layer inside the chamber body 111 may form a flow back down
  • the top of the guide plate 112 is provided It is provided relatively close to the air inlet 111a and the exhaust gas nozzle 120 to prevent the exhaust gas from descending to the lower layer first, thereby providing a uniform distribution of the mixed gas and supplying it at a uniform flow rate to the mixing outlet 111b. It will be possible.
  • the exhaust gas nozzle 120 serves to supply the exhaust gas to the air mixing chamber 110.
  • the exhaust gas nozzle 120 forms a plurality of flow paths and can supply the exhaust gas to the air mixing chamber 110, the exhaust gas nozzle 120 increases the mixing efficiency of the air and the exhaust gas.
  • the exhaust gas mixing supply unit 100 of the present invention includes the exhaust gas nozzle 120, the exhaust gas nozzle 120 is provided to protrude into the inside of the air mixing chamber 110, the exhaust gas is discharged By providing a plurality of discharge holes 121, the flow of the exhaust gas is distributed and supplied to increase the mixing efficiency of the exhaust gas and the air.
  • FIG. 5 is a case where a plurality of mixing outlets 111b are formed in two lines in the longitudinal direction of the air mixing chamber 110 (that is, one left and one right lines when viewed from the front of the air mixing chamber 110). It shows the mass fraction of the exhaust gas which is carbon dioxide in the mixed gas discharged in the longitudinal direction of the air mixing chamber 110, the graph shows that the carbon dioxide mass fraction uniform in the longitudinal direction of the air mixing chamber 110. Able to know. In other words, it can be seen that the air and the exhaust gas is uniformly mixed.
  • the exhaust gas nozzle 120 may include a nozzle body 122 and an inclined pipe 123 to increase the mixing efficiency of the exhaust gas and air, which will be described later with reference to FIG. 4.
  • FIG. 4 is a perspective view showing the exhaust gas nozzle 120 in the exhaust gas mixture supply unit 100 of the present invention, referring to this, the exhaust gas nozzle 120 of the exhaust gas mixture supply unit 100 according to an embodiment of the present invention.
  • the discharge hole 121 is provided in the nozzle body 122 and the upper end of the nozzle body 122 formed in the longitudinal direction, air and exhaust gas
  • the gas mixture may be inclined in a direction toward the mixing discharge port 111b of the air mixing chamber 110 to discharge the mixed gas, and may include an inclined pipe 123 configured to open the upper portion to discharge the exhaust gas.
  • the exhaust gas nozzle 120 may include a nozzle body 122 and an inclined pipe 123 to increase the mixing efficiency of the exhaust gas and air.
  • the nozzle body 122 has a configuration in which exhaust gas is supplied from a pipe connected to the circulation fan 330, and the orifice member 130 may be provided between the circulation fan 330.
  • a plurality of discharge holes 121 are formed in the nozzle body 122 in the longitudinal direction, and a plurality of discharge passages of the exhaust gas introduced into the nozzle body 122 are provided.
  • the exhaust gas ensures more flow paths for the air flowing into the air inlet 111a to be mixed in contact with each other, thereby increasing the mixing efficiency with the air.
  • the discharge hole 121 formed in the nozzle body 122 is formed in the longitudinal direction of the chamber body 111 of the air mixing chamber 110 from the air inlet (111a) toward the mixing outlet (111b). Rather, the chamber body 111 may be formed in a direction inclined at a predetermined angle in the longitudinal direction of the chamber body 111.
  • the exhaust gas discharged through the discharge hole 121 also faces the side wall.
  • the exhaust gas collides with the sidewall of the chamber body 111 to further increase the mixing efficiency with the air by forming a vortex.
  • the nozzle body 122 of the exhaust gas mixing and supplying unit 100 is in a direction from the air inlet 111a of the air mixing chamber 110 to the mixing outlet 111b.
  • the discharge hole 121 may be formed in a direction inclined at a predetermined angle toward the side wall of the air mixing chamber 110.
  • the nozzle body 122 is formed to protrude from the chamber body 111 of the air mixing chamber 110, so that the exhaust gas injected from the discharge hole 121 formed in the longitudinal direction of the air inlet 111a The mixing efficiency with the air introduced through the will be increased.
  • the nozzle body 122 of the exhaust gas mixing and supplying unit 100 has a discharge hole 121 at the air inlet 111a of the air mixing chamber 110. It may be characterized in that it is formed to protrude to the lower wall portion of the air mixing chamber 110 in a direction perpendicular to the direction toward 111b).
  • the inclined pipe 123 serves to guide a portion of the exhaust gas supplied through the nozzle body 122 to be moved to the upper layer of the chamber body 111 of the air mixing chamber 110.
  • the inclined pipe 123 to guide the flow path of the exhaust gas to the upper layer.
  • the inclined pipe 123 is provided on the upper end of the nozzle body 122, is provided to be inclined in the longitudinal direction of the chamber body 111, is formed to face the mixing outlet 111b.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)

Abstract

Selon un mode de réalisation, la présente invention concerne une unité d'alimentation en gaz d'échappement mixte, pouvant comprendre : une chambre de mélange d'air comportant une admission d'air pour introduire de l'air de combustion, formée sur une de ses parties d'extrémité ; et une buse à gaz d'échappement comportant une pluralité de trous de décharge formés dans son sens longitudinal, où la buse à gaz d'échappement est conçue pour être adjacente à l'admission d'air et faire saillie à l'intérieur de la chambre de mélange d'air pour y introduire le gaz d'échappement.
PCT/KR2017/014882 2016-12-16 2017-12-15 Unité d'alimentation en gaz d'échappement mixte et four à coke la comprenant WO2018111047A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020160172690A KR101858850B1 (ko) 2016-12-16 2016-12-16 배가스 혼합공급유닛 및 이를 포함하는 코크스 오븐
KR10-2016-0172690 2016-12-16

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WO2018111047A1 true WO2018111047A1 (fr) 2018-06-21

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100243839B1 (ko) * 1996-04-09 2000-03-02 와다 아끼히로 연소장치 및 그 연소장치를 구비한 열설비
KR20040040577A (ko) * 2002-11-07 2004-05-13 한국에너지기술연구원 예혼합연소방식의 표면연소 가스버너
KR100743192B1 (ko) * 2006-07-10 2007-07-27 재단법인 포항산업과학연구원 코크스로
KR20090131118A (ko) * 2008-06-17 2009-12-28 주식회사 포스코 코크스 로 연소실 가스 공급 시스템
KR101560886B1 (ko) * 2013-11-07 2015-10-16 주식회사 포스코 코크스 오븐 및 이를 활용한 반응가스 투입방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100243839B1 (ko) * 1996-04-09 2000-03-02 와다 아끼히로 연소장치 및 그 연소장치를 구비한 열설비
KR20040040577A (ko) * 2002-11-07 2004-05-13 한국에너지기술연구원 예혼합연소방식의 표면연소 가스버너
KR100743192B1 (ko) * 2006-07-10 2007-07-27 재단법인 포항산업과학연구원 코크스로
KR20090131118A (ko) * 2008-06-17 2009-12-28 주식회사 포스코 코크스 로 연소실 가스 공급 시스템
KR101560886B1 (ko) * 2013-11-07 2015-10-16 주식회사 포스코 코크스 오븐 및 이를 활용한 반응가스 투입방법

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