WO2010120046A2 - Appareil pour produire du dioxyde de carbone de pureté supérieure afin de récupérer le dioxyde de carbone issu de déchets gazeux contenant des impuretés inflammables, et procédé de récupération de dioxyde de carbone de pureté supérieure au moyen dudit appareil - Google Patents

Appareil pour produire du dioxyde de carbone de pureté supérieure afin de récupérer le dioxyde de carbone issu de déchets gazeux contenant des impuretés inflammables, et procédé de récupération de dioxyde de carbone de pureté supérieure au moyen dudit appareil Download PDF

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WO2010120046A2
WO2010120046A2 PCT/KR2010/001563 KR2010001563W WO2010120046A2 WO 2010120046 A2 WO2010120046 A2 WO 2010120046A2 KR 2010001563 W KR2010001563 W KR 2010001563W WO 2010120046 A2 WO2010120046 A2 WO 2010120046A2
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WIPO (PCT)
Prior art keywords
carbon dioxide
combustion
temperature
waste gas
gas
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PCT/KR2010/001563
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English (en)
Korean (ko)
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WO2010120046A3 (fr
WO2010120046A8 (fr
Inventor
박기철
김연섭
이동희
황열순
이은일
Original Assignee
호남석유화학 주식회사
주식회사 한독이엔지
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Application filed by 호남석유화학 주식회사, 주식회사 한독이엔지 filed Critical 호남석유화학 주식회사
Priority to SG2011073962A priority Critical patent/SG175163A1/en
Priority to JP2012505802A priority patent/JP5565820B2/ja
Publication of WO2010120046A2 publication Critical patent/WO2010120046A2/fr
Publication of WO2010120046A3 publication Critical patent/WO2010120046A3/fr
Publication of WO2010120046A8 publication Critical patent/WO2010120046A8/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/62—Carbon oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/50—Carbon dioxide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/50—Control or safety arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
    • F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
    • F23G7/065—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L7/00—Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
    • F23L7/007—Supplying oxygen or oxygen-enriched air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2256/00—Main component in the product gas stream after treatment
    • B01D2256/22—Carbon dioxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/708—Volatile organic compounds V.O.C.'s
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2207/00—Control
    • F23G2207/10—Arrangement of sensing devices
    • F23G2207/103—Arrangement of sensing devices for oxygen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2207/00—Control
    • F23G2207/10—Arrangement of sensing devices
    • F23G2207/104—Arrangement of sensing devices for CO or CO2
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2207/00—Control
    • F23G2207/30—Oxidant supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2208/00—Safety aspects
    • F23G2208/10—Preventing or abating fire or explosion, e.g. by purging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2900/00—Special features of, or arrangements for incinerators
    • F23G2900/55—Controlling; Monitoring or measuring
    • F23G2900/55003—Sensing for exhaust gas properties, e.g. O2 content
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2900/00—Special features of, or arrangements for incinerators
    • F23G2900/55—Controlling; Monitoring or measuring
    • F23G2900/55011—Detecting the properties of waste to be incinerated, e.g. heating value, density
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2215/00—Preventing emissions
    • F23J2215/50—Carbon dioxide
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/40—Capture or disposal of greenhouse gases of CO2
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/32—Direct CO2 mitigation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2

Definitions

  • the present invention relates to a carbon dioxide high purity device for recovering carbon dioxide from the exhaust gas mixed with combustible impurities, and to a method of recovering carbon dioxide with high purity using the same.
  • the present invention relates to a device for recovering high purity and recovering the same, and a method for recovering high purity carbon dioxide using the same.
  • the OMEGA process (Licenser: Shell Company) is a new process that produces ethylene glycol (EG), the world's first commercial production facility in 2008, and is now in operation, compared to the existing EG production process (Licenser: Scientific Design company). The differences are as follows.
  • the existing process in addition to Mono Ethylene Glycol (MEG) to be produced, DE E (Di Ethylene Glycol), TEG (Tri Ethylene Glycol), and PEG (Poly Ethylene Glycol) are additionally produced, resulting in additional costs for their purification.
  • the OMEGA process has much higher productivity because only MEG is produced.
  • the OMEGA process is considered to be a very competitive process because its utility usage is less than that of the existing process and wastewater generation can be reduced by 30% compared to the existing process, and it is expected to be gradually replaced by the OMEGA process in the future.
  • the OMEGA process has the following disadvantages compared to the existing process.
  • the waste gas discharged from the existing process has more than 99% of CO 2 and can be recovered immediately.
  • the exhaust gas of the OMEGA process has 97% of CO 2 , and the rest is EO (Ethylene Oxide), Acetaldehyde, Ethylene, Methane, etc. are included.
  • EO Ethylene Oxide
  • Acetaldehyde, Ethylene, Methane, etc. are included.
  • These waste gases contain high concentrations of CO 2, but still contain harmful substances such as VOCs. 2 is difficult to use, and it is also expensive and technically difficult to separate and recover only CO 2 separately.
  • the exhaust gas of this OMEGA process is designed to be sent to a waste heat boiler and discharged to the atmosphere after incineration.
  • the gas emitted from the OMEGA process is discharged to the atmosphere after combustion using waste heat boiler, a large amount of CO 2 is released into the atmosphere, which is not in line with the recent low-carbon green growth trend and causes a waste of renewable resources. Of course, it can cause the problem of increasing global warming.
  • this is a technique of continuously supplying fossil fuel and oxygen to keep the burner flame, and the oxygen combustion technique may have a problem of durability of the material due to the high flame temperature (3050K).
  • the burner may not be ignited due to the high pressure of the combustion furnace during combustion. Therefore, in such an environment, since combustion of waste gas must occur in a state where a burner is not ignited in a combustion furnace, the pure oxygen combustion technology used in the glass melting furnace, the steel heating furnace, the boiler, and the like is difficult to apply to such a process having a high discharge pressure. .
  • the technical problem to be solved by the present invention in order to solve the above problems, by providing a carbon dioxide high purity device that can be burned in a low temperature range and a method using the same, the durability of the material even when combustion of exhaust gas using pure oxygen
  • the present invention provides a method for recovering high purity carbon dioxide, which is not a problem.
  • Another technical problem to be solved by the present invention is to provide a high-purity carbon dioxide purification apparatus including a combustion furnace in which the burner does not need to be continuously ignited to safely and effectively eliminate a large amount of CO 2 generated in a process in which high pressure is generated during combustion. It is to provide a way to recover.
  • Another technical problem to be solved by the present invention is to provide an apparatus capable of safely high purity and recover the CO 2 generated in the OMEGA process.
  • Another technical problem to be solved by the present invention is to provide an eco-friendly process as well as economic benefits by enabling the effective recovery and use of CO 2 generated in the OMEGA process.
  • Waste gas containing 90% or more of high concentration of CO 2 and the remaining VOCs and oxygen has a high purity of CO 2 using pure oxygen combustion so that the oxygen concentration is 1.2 to 2%, the VOC concentration is 10000 to 20000 ppm, and the remainder is carbon dioxide. It is characterized in that the CO 2 high purity method.
  • the waste gas containing the high concentration of more than 90% CO 2 and the remaining VOC and oxygen is characterized in that the waste gas generated by the OMEGA process.
  • a carbon dioxide high purity device for recovering carbon dioxide from the exhaust gas mixed with combustible impurities according to the present invention, a) for reducing the pressure of the inlet gas to 1.0 kg / cm 2 or less Pressure reducing valves; A pure oxygen supply device for supplying pure oxygen; An auxiliary fuel supply device for supplying auxiliary fuel to the inflow gas; A blower for heating the combustion apparatus; A process gas inlet comprising an O 2 meter and a LEL meter for measuring O 2 and VOC concentrations in the inlet gas and b) a burner for heating the interior of the combustion apparatus; A combustion chamber for combusting VOCs in the inlet gas; A heat storage material for accumulating combustion heat; A fuel supply device for supplying fuel to the burner at an elevated temperature; A temperature measuring device for measuring the temperature of the combustion chamber; A process gas combustion unit including a bypass damper for preventing overheating of the combustion chamber, and c) an O 2 meter and a temperature meter for measuring O 2 concentration
  • it characterized in that it comprises a controller for controlling the opening and closing of the valve so that the O 2 supply amount is adjusted in accordance with the signal of the O 2 meter.
  • auxiliary fuel is characterized in that using any one of LPG, LNG, methane, butane.
  • auxiliary fuel supply amount is adjusted in accordance with the signal of the LEL meter and the temperature measuring device.
  • the air blower and burner is operated only when the combustion apparatus is heated up, characterized in that the process gas is no longer operated when the process gas flows into the combustion apparatus after the combustion apparatus reaches the target temperature.
  • the combustion apparatus may be any one of a regenerative thermal oxide (RTO), a regenerative catalytic oxide (RCO), a thermal oxide (TO), and a catalytic thermal oxide (CTO).
  • RTO regenerative thermal oxide
  • RCO regenerative catalytic oxide
  • TO thermal oxide
  • CTO catalytic thermal oxide
  • controller for controlling the opening and closing of the bypass damper according to the signal of the temperature measuring device installed in the combustion chamber.
  • the water removal device and the strainer is installed before the combustion device, it characterized in that the moisture and debris contained in the waste gas does not flow into the combustion device.
  • the external air introduced through the temperature increase blower may be used for cooling the inner disk of the By Pass damper.
  • the constant range is characterized in that the oxygen concentration of 1.2 ⁇ 2%, the temperature of the temperature measuring device is in the range of 700 °C ⁇ 880 °C, the VOC concentration of the LEL meter is 10,000 ⁇ 20,000ppm.
  • the present invention by effectively removing the combustible impurities from the exhaust gas in which the combustible impurities are mixed, it is possible to prevent the harmful substances from being discharged to the outside.
  • the present invention provides an economically advantageous process by efficiently recovering a large amount of CO 2 generated from the exhaust gas of the manufacturing process, it is possible to prevent environmental pollution due to the emission of carbon dioxide.
  • FIG. 1 is a block diagram of a carbon dioxide high purity device according to the present invention.
  • An apparatus for high-purifying carbon dioxide from exhaust gas containing flammable impurities using pure oxygen of the present invention includes: a combustion apparatus main body including a combustion chamber for burning VOC in process exhaust gas at a range of 300 to 990 ° C; External air suction blower for raising the temperature of the combustion apparatus; A burner for raising the temperature of the combustion device to a target temperature of 300 to 990 ° C; A pressure reducing valve for reducing the pressure of the exhaust gas to 1.0 kg / cm 2 or less; A mixer for mixing pure oxygen with the process exhaust gas; An O 2 measuring device for measuring oxygen concentration and an O 2 supply device in which a valve is adjusted according to the measured value of the O 2 measuring device; A LEL meter for measuring the VOC concentration in the process exhaust gas; An auxiliary fuel supply device in which the supply is further adjusted according to the temperature of the combustion chamber and the value of the LEL meter; A recycle blower for transferring the burned gas back to the inlet to prevent overheating of the combustion apparatus; And a heat exchanger for removing moisture
  • the gas discharged from the OMEGA process 100 as an example of the exhaust gas containing flammable impurities, but the present invention is used in all processes for discharging waste gas containing less than 10% flammable impurities and more than 90% carbon dioxide. Can be applied.
  • FIG. 1 is a block diagram of a carbon dioxide high purity device according to the present invention for combusting the waste gas discharged from the manufacturing process.
  • the combustion device 140 shown in FIG. 1 uses an auxiliary fuel (LPG, LNG, methane, butane, etc.) to ignite the burner 230 in order to raise the internal temperature of the combustion device 140 during operation, and burns the combustion.
  • LPG auxiliary fuel
  • LNG LNG, methane, butane, etc.
  • the external air suction blower 130, 210) is configured to increase the internal temperature of the combustion apparatus to the target value (300 ⁇ 990 °C).
  • the combustion device may be a combustion device such as a regenerative thermal oxide (RTO), a regenerative catalytic oxide (RCO), a thermal oxide (TO), and a catalytic thermal oxide (CTO).
  • RTO regenerative thermal oxide
  • RCO regenerative catalytic oxide
  • TO thermal oxide
  • CTO catalytic thermal oxide
  • the furnace temperature of the combustion device 140 reaches a target value (300 to 990 ° C.)
  • the operation of the burner 230 is stopped, and the external air supply valve 212 of the external air suction blower is closed to process gas inlet automatic valve ( 111 is opened to transfer the waste gas discharged from the OMEGA (Only MEG Advanced) process 100 to the combustion device.
  • a target value 300 to 990 ° C.
  • the external air sucked through the external air intake blower 210 is closed for the external air supply valve 212 and used exclusively for cooling the inner disk of the By Pass damper 145, and is exposed to high temperature. Prevents malfunction by preventing overheating of the pass damper 145.
  • a pressure reducing valve 112 was installed in the inlet duct 134 to enable stable operation of the combustion device 140, and a pressure increase.
  • pressure was more than 1.9kg / cm 2 was installed Rupture Disk (133) so that the waste gas is atmospheric VENT.
  • the process gas inlet automatic valve 111 is closed by the automatic stop mode, and the emergency valve 110 is opened to allow the waste gas to flow into the combustion device 140. All emergency vents ensure safety.
  • the moisture removal device and the strainer may be installed before the combustion device, so that moisture and debris contained in the waste gas may not be introduced into the combustion device.
  • the backfire prevention valve 211 is opened. The waste gas before the decompression was introduced into the burner 230 for protection to prevent backfire and explosion.
  • the burner 230 and the external air suction blowers 130 and 210 are stopped, oxygen necessary for combustion of the waste gas discharged from the process is supplied to pure oxygen, and the mixer box 122 is supplied through the automatic valve for supplying pure oxygen. ), The waste gas and the pure oxygen were mixed.
  • the pure oxygen supply amount is automatically adjusted through the pure oxygen supply valve 121 according to the value of the mixed gas in the mixer box 122 by the O 2 detector 132, and the waste gas through the LEL detector 131.
  • the auxiliary fuel supply amount was adjusted through the auxiliary fuel supply valve 220 according to the VOC concentration of the combustion chamber and the temperature of the combustion chamber.
  • Waste gas is introduced into the combustion device 140, and the temperature rises through the heat storage material 141, and is burned at the furnace temperature (300 to 990), and only high-purity CO 2 is discharged to the outlet duct (144).
  • waste gas remaining in the heat storage material layer 141 is discharged in an untreated state and thus the combustion efficiency is reduced to the Purge Air through the Purge blower 160 to compensate for the incomplete combustion efficiency.
  • the inlet duct 134 was introduced through the forced exhaust of the untreated gas remaining in the ash layer 141 to be reprocessed to maximize processing efficiency.
  • the recycle blower 170 is operated according to the VOC concentration of the waste gas through the LEL detector 131 and the temperature of the combustion chamber to prevent overheating of the combustion device 140, and the inlet duct 134 is a part of the treated high-temperature, high-purity CO 2 gas. ) And mixed with the waste gas to make the combustion smooth and stable by using the pre-heating and VOC concentration dilution effect.
  • Combustion device 140 a high-purity CO 2 emissions from is passed through a heat exchanger 180 for removing the cooling water, high-purity CO 2 that has passed through the heat exchanger 180 is transferred to a number of times (recycling) equipment.
  • the heat exchanger 180 may also be used for the purpose of increasing the temperature of the waste gas flowing into the combustion furnace.
  • the oxygen concentration of the outlet O 2 meter 143, the temperature of the temperature measuring device 142, and the VOC concentration of the LEL meter 131 are all in the normal range (the oxygen of the outlet O 2 meter 143).
  • the normal range is an appropriate level to recover and reuse carbon dioxide.
  • the management of the normal range is to install a PC system device 300 that can control the instrumentation so that the concentration and temperature can be controlled within the normal range.
  • the automatic valve 181 is opened and sent to the recovery facility, and in the abnormal state, the VENT automatic valve 182 is opened so that the processing gas is VENT to the atmosphere.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Treating Waste Gases (AREA)
  • Incineration Of Waste (AREA)

Abstract

La présente invention concerne un procédé et un appareil permettant de récupérer du dioxyde de carbone au moyen d'oxygène pur, et un procédé et un appareil qui produisent du dioxyde de carbone de pureté supérieure grâce à un système de combustion utilisant de l'oxygène pur, afin de récupérer le dioxyde de carbone issu de déchets gazeux contenant des impuretés inflammables. L'appareil de la présente invention comprend : un dispositif de combustion servant à brûler les COV présents dans les déchets gazeux contenant des impuretés inflammables ; un aspirateur-souffleur d'air extérieur et un brûleur servant à augmenter la température intérieure du dispositif de combustion ; un robinet de réduction de pression servant à réduire la pression des déchets gazeux ; un mélangeur servant à mélanger de l'oxygène pur dans les déchets gazeux ; un oxymètre et un dispositif d'alimentation en oxygène ; un appareil de mesure de limite inférieure d'explosivité (LIE) servant à mesurer la concentration en COV dans les déchets gazeux ; un dispositif d'alimentation en combustible auxiliaire ; un souffleur d'air de recyclage ; et un échangeur thermique servant à éliminer l'humidité du gaz brûlé et à chauffer les déchets gazeux introduits.
PCT/KR2010/001563 2009-04-17 2010-03-12 Appareil pour produire du dioxyde de carbone de pureté supérieure afin de récupérer le dioxyde de carbone issu de déchets gazeux contenant des impuretés inflammables, et procédé de récupération de dioxyde de carbone de pureté supérieure au moyen dudit appareil WO2010120046A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SG2011073962A SG175163A1 (en) 2009-04-17 2010-03-12 Apparatus for producing higher-purity carbon dioxide for recovering carbon dioxide from waste gas containing flammable impurities, and method for recovering higher-purity carbon dioxide using same
JP2012505802A JP5565820B2 (ja) 2009-04-17 2010-03-12 可燃性不純物が混在する排出ガスから二酸化炭素を回収するための二酸化炭素の高純度化装置、及びこれを用いた高純度の二酸化炭素を回収する方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2009-0033712 2009-04-17
KR1020090033712A KR100913888B1 (ko) 2009-04-17 2009-04-17 가연성 불순물이 혼합된 배출가스로부터 이산화탄소를 회수하기 위한 이산화탄소 고순도화 장치 및 이를 이용하여 고순도의 이산화탄소를 회수하는 방법

Publications (3)

Publication Number Publication Date
WO2010120046A2 true WO2010120046A2 (fr) 2010-10-21
WO2010120046A3 WO2010120046A3 (fr) 2011-01-06
WO2010120046A8 WO2010120046A8 (fr) 2011-09-29

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JP2012523373A (ja) 2012-10-04
WO2010120046A8 (fr) 2011-09-29
KR100913888B1 (ko) 2009-08-26
JP5565820B2 (ja) 2014-08-06
SG175163A1 (en) 2011-11-28

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