CN103864021A - Device and method for preparing oxygen by virtue of chemical looping air separation - Google Patents

Device and method for preparing oxygen by virtue of chemical looping air separation Download PDF

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Publication number
CN103864021A
CN103864021A CN201410099619.2A CN201410099619A CN103864021A CN 103864021 A CN103864021 A CN 103864021A CN 201410099619 A CN201410099619 A CN 201410099619A CN 103864021 A CN103864021 A CN 103864021A
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oxygen
air
condenser
cyclonic separator
metal oxide
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CN103864021B (en
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王文举
程明
王杰
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Nanjing University of Science and Technology
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Nanjing University of Science and Technology
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    • 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
    • Y02P20/10—Process efficiency
    • 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
    • Y02P20/10—Process efficiency
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)

Abstract

The invention discloses a device and a method for preparing oxygen by virtue of chemical looping air separation. The device comprises a bubbling fluidized bed reactor, a distribution plate, a first air distribution plate, a first cyclone separator, a fast fluidized bed reactor, a second cyclone separator, a returning mechanism, a second air distribution plate, a condenser, a waste heat boiler, an oxygen purifier and a gas bottle, all of which are connected together. The device and the method are used for preparing oxygen by virtue of the principle of the chemical looping air separation technology, and have the advantages of high efficiency, low energy consumption, simple operation and high produced oxygen purity.

Description

A kind of device and method that utilizes chemical chain air separation to prepare oxygen
Technical field
The invention belongs to chemical chain technology and air separation and prepare oxygen technical field, be specifically related to a kind of device and method that utilizes chemical chain air separation to prepare oxygen.
Background technology
Oxygen is a kind of important chemical feedstocks, has a wide range of applications at chemical industry, metallurgy, medical treatment and the field such as military, and therefore the preparation of oxygen is a very crucial technology.Air separation is current topmost oxygenerating technology, mainly comprises low temperature fractionation, pressure-variable adsorption and 3 kinds of modes of membrane separation technique.Low temperature fractionation technology is that the most ripe air separation is produced oxygen technology at present, this technology: history is long, cardinal principle is to utilize in air the boiling point of nitrogen and oxygen different, by after liquefaction of air, carry out low temperature fractionation and reach the object of separation of nitrogen and oxygen, its advantage is that product purity is high, output is high, kind is many, and shortcoming is that investment is large, cost is high, energy consumption is high, complicated operation.Pressure-variable adsorption oxygen producing is nearest 30 years emerging oxygenerating technologies, and its advantage is that device start is fast, simple to operate, can realize automatization, and device fabrication is simple, but has the shortcomings such as the low and energy consumption height of production capacity.The advantage of membrane separation technique is simple to operate, can carry out at normal temperatures and pressures, but exist mould material preparation difficult, high in cost of production shortcoming.
Summary of the invention
The object of the present invention is to provide a kind of device and method that utilizes chemical chain air separation technology Preparation of oxygen, the present invention is efficient, and energy consumption is low, simple to operate, produces oxygen purity high.
The technical solution that realizes the object of the invention is: a kind of device that utilizes chemical chain air separation to prepare oxygen, comprises bubbling fluidization bed bioreactor, grid distributor, the first air distribution plate, the first cyclonic separator, fast fluidized bed reactor, the second cyclonic separator, returning charge mechanism, the second air distribution plate, condenser, waste heat boiler, oxygen cleaner and air collector; Wherein the first air distribution plate is located at the bottom of bubbling fluidization bed bioreactor, and bubbling fluidized bed inside reactor cavity is divided into upper and lower two portions by grid distributor, and lower part is fast lifting section, and upper part is main fluidisation conversion zone; The outlet of bubbling fluidization bed bioreactor is connected with the first cyclonic separator; The pneumatic outlet of the first cyclonic separator is connected with the mixed gas inlet of condenser, and the solid outlet of the first cyclonic separator is connected with fast fluidized bed reactor; The bottom of fast fluidized bed reactor is provided with the second air distribution plate, and the outlet of fast fluidized bed reactor is connected with the second cyclonic separator, and the solid outlet of the second cyclonic separator is connected with returning charge mechanism; Returning charge mechanism is connected with lower part of bubbling fluidized bed reactor cavity; The pneumatic outlet of the second cyclonic separator is connected with waste heat boiler gas inlet; Waste heat boiler condensing water inlet is connected with condenser condenses water out, and the steam outlet of waste heat boiler is connected with the steam entry of bubbling fluidization bed bioreactor, and the air vout of waste heat boiler is used for the Bas Discharged after heat exchange; The gas inlet input freezing air of condenser, the air vout that condenser is is connected with the gas inlet of fast fluidized bed reactor, and the oxygen outlet of condenser is connected with the inlet mouth of oxygen cleaner, for purifying prepared oxygen; Oxygen cleaner air outlet is connected with air collector inlet mouth.
The device that utilizes chemical chain air separation technology to prepare high purity oxygen gas is prepared the method for high purity oxygen gas: comprise the following steps:
Step 1, by the charging bole of bubbling fluidization bed bioreactor, metal oxide oxygen carrier is added in bubbling fluidization bed bioreactor;
Step 2, the water vapour that waste heat boiler is produced pass into bubbling fluidization bed bioreactor from the steam entry of bubbling fluidization bed bioreactor, until bubbling fluidization bed bioreactor reaches temperature of reaction, now, air in whole device is all discharged, metal oxide oxygen carrier in bubbling fluidization bed bioreactor reacts under steam atmosphere, disengage oxygen, reaction equation is:
2Me x O y ?＋?H 2O ( g) ?→?2Me x O y-1 ?＋?O 2?＋?H 2O ( g)
Metal oxide oxygen carrier after mixed gas and the deoxidation of step 3, oxygen and water vapour composition enters the first cyclonic separator, oxygen water vapour gas mixture flows out from the pneumatic outlet of the first cyclonic separator, mixed gas inlet by condenser enters condenser, and the oxygen carrier after deoxidation enters fast fluidized bed reactor through the solid outlet of the first cyclonic separator;
The freezing air that step 4, oxygen water vapour gas mixture are inputted in condenser and from the gas inlet of condenser carries out heat exchange, water of condensation flows out by the condensation-water drain of condenser, condensing water inlet through waste heat boiler enters waste heat boiler, the oxygen that separation obtains flows out through the oxygen outlet of condenser, enters oxygen cleaner by the inlet mouth of oxygen cleaner;
After step 5, oxygen purify in oxygen cleaner, entering air collector by the air outlet outflow of oxygen cleaner stores;
Step 6, air in condenser after heat exchange enter fast fluidized bed reactor through the gas inlet of fast fluidized bed reactor, metal oxide oxygen carrier after deoxidation generates regenerated metal oxide oxygen carrier with air generation oxidizing reaction in fast fluidized bed reactor, and reaction equation is as follows:
Me x O y-2 ＋O 2?→Me x O y
Step 7, reacted oxygen-denuded air and regenerated metal oxide oxygen carrier enter the second cyclonic separator, oxygen-denuded air is flowed out by the pneumatic outlet of the second cyclonic separator, gas inlet through waste heat boiler enters waste heat boiler, air vout through waste heat boiler after heat exchange is discharged, and regenerated metal oxide oxygen carrier enters returning charge mechanism through the solid outlet of the second cyclonic separator;
Step 8, returning charge mechanism send regenerated metal oxide oxygen carrier into bubbling fluidization bed bioreactor, and regenerated metal oxide oxygen carrier starts again reaction in bubbling fluidization bed bioreactor, forms thus a circulation.
Wherein, in step 1, metal oxide oxygen carrier is selected according to the working temperature of bubbling fluidization bed bioreactor, and selected metal oxide oxygen carrier particle size range is between 100 μ m ~ 500 μ m; Selected metal oxide oxygen carrier comprises Pb, PbO 2, Pb 2o 3or PbO.
The present invention compared with prior art, its remarkable advantage: 1. oxygenerator provided by the invention is simple in structure, easy and simple to handle and can make highly purified oxygen; 2. oxygenerator provided by the invention makes the equipment can circular flow by the regeneration of oxygen carrier, thus oxygen on a large scale; 3. oxygen raw materials cost is low and can recycle; 4. the thermal source of waste heat boiler can be taken on by industrial waste heat resource, makes whole plant energy consumption lower.
Accompanying drawing explanation
Fig. 1 is a kind of apparatus structure schematic diagram that utilizes chemical chain air separation to prepare oxygen of the present invention.
Fig. 2 is chemical chain air separation schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Figure 1, utilize chemical chain air separation to prepare a device for oxygen, comprise bubbling fluidization bed bioreactor 1, grid distributor 2, the first air distribution plate 3, the first cyclonic separator 4, fast fluidized bed reactor 5, the second cyclonic separator 6, returning charge mechanism 7, the second air distribution plate 8, condenser 9, waste heat boiler 10, oxygen cleaner 23 and air collector 24.Wherein the first air distribution plate 3 is located at the bottom of bubbling fluidization bed bioreactor 1, and bubbling fluidization bed bioreactor 2 internal cavities are divided into upper and lower two portions by grid distributor 2, and lower part is fast lifting section, and upper part is main fluidisation conversion zone; The outlet of bubbling fluidization bed bioreactor 1 is connected with the first cyclonic separator 4; The first cyclonic separator pneumatic outlet 11 obtains prepared oxygen and water vapour mixed gas, the pneumatic outlet 11 of the first cyclonic separator 4 is connected with the mixed gas inlet 12 of condenser 9, and the solid outlet 28 of the first cyclonic separator 4 is connected with fast fluidized bed reactor 5; The bottom of fast fluidized bed reactor 5 is provided with the second air distribution plate 8, and the outlet of fast fluidized bed reactor 5 is connected with the second cyclonic separator 6, and the solid outlet 29 of the second cyclonic separator 6 is connected with returning charge mechanism 7; Returning charge mechanism 7 is connected with lower part of bubbling fluidization bed bioreactor 1 cavity; The pneumatic outlet 22 of the second cyclonic separator 6 is connected with waste heat boiler gas inlet 18; Waste heat boiler condensing water inlet 17 is connected with condenser condenses water out 15, and the steam outlet 19 of waste heat boiler 10 is connected with the steam entry 21 of bubbling fluidization bed bioreactor 1, and the air vout 20 of waste heat boiler 10 is for by the Bas Discharged after heat exchange; The gas inlet 13 of condenser 9 is inputted freezing air, be used for and the heat exchange of oxygen water vapour gas mixture, the air vout 14 that condenser 9 is is connected with the gas inlet 23 of fast fluidized bed reactor 5, the oxygen outlet 16 of condenser 9 is connected with the inlet mouth 25 of oxygen cleaner 23, for purifying prepared oxygen; Oxygen cleaner air outlet 26 is connected with air collector inlet mouth 27.
Described bubbling fluidization bed bioreactor 1 is to provide the device of environment for bearing metal oxide compound oxygen carrier and for metal oxide oxygen carrier releasing oxygen; Air distribution plate is for the bed material of supported in rest, makes air-flow be evenly distributed in reactor cross-section, and enough pressure is provided, and makes the device of the even fluidisation of bed material.The first cyclonic separator 4 is for by the device of the oxygen of fluidized-bed Exhaust Gas and water vapour gas mixture and metal oxide oxygen carrier separate particles; Fast fluidized bed reactor 5 is the devices that absorb airborne oxygen and carry out oxidation regeneration for metal oxide oxygen carrier particle; The second cyclonic separator 6 be for by fast bed discharge waste gas and the device of metal oxide oxygen carrier separate particles; Returning charge mechanism 7 is the devices for the metal oxide oxygen carrier after regeneration being sent into bubbling fluidization bed bioreactor; Condenser 9 is to utilize and freezing air heat exchange oxygen that the first cyclonic separator 4 is discharged and water vapour gas mixture carry out the device of condensation separation; Waste heat boiler 10 is used to bubbling fluidization bed bioreactor 1 provides the device of water vapour; Oxygen cleaner 23 is devices that the oxygen for purifying preparation obtains high pure oxygen.
The core technology of method of the present invention be utilize metal oxide oxygen carrier in temperature higher than a certain value, during lower than equilibrium oxygen partial pres-sure, there is the de-coupling reaction of oxygen and produce oxygen in system oxygen partial pressure; Otherwise can there is oxygen absorption reaction.Its reaction equation can be expressed as:
Deoxygenation: 2Me x o y + H 2o ( g) → 2Me x o y-1 + O 2+ H 2o ( g)
Oxidizing reaction: Me x o y-2 + O 2→ Me x o y
Wherein, MexOy is oxygen carrier; MexOy-2 is the oxygen carrier after deoxidation;
In conjunction with Fig. 2, utilize chemical chain air separation to prepare the method for the Preparation of oxygen of the device of oxygen, comprise the following steps:
Step 1, select metal oxide oxygen carrier according to the working temperature of bubbling fluidization bed bioreactor 1, selected metal oxide oxygen carrier particle size range is between 100 μ m ~ 500 μ m, by the charging bole of bubbling fluidization bed bioreactor 1, metal oxide oxygen carrier is added in bubbling fluidization bed bioreactor 1;
Wherein the metal oxide oxygen carrier described in step 1 comprises: the oxide compound PbO of Pb or Pb 2, Pb 2o 3, one in PbO.
Step 2, the water vapour that waste heat boiler 10 is produced pass into bubbling fluidization bed bioreactor 1 from the steam entry 21 of bubbling fluidization bed bioreactor 1, until bubbling fluidization bed bioreactor 1 reaches temperature of reaction, now, air in whole device is all discharged, metal oxide oxygen carrier in bubbling fluidization bed bioreactor 1 reacts under steam atmosphere, disengages oxygen.
2Me x O y ?＋?H 2O ( g) ?→?2Me x O y-1 ?＋?O 2?＋?H 2O ( g)
Metal oxide oxygen carrier after mixed gas and the deoxidation of step 3, oxygen and water vapour composition enters the first cyclonic separator 4, oxygen water vapour gas mixture flows out from the pneumatic outlet 11 of the first cyclonic separator 4, mixed gas inlet 12 by condenser 9 enters condenser 9, and the oxygen carrier after deoxidation enters fast fluidized bed reactor 5 through the solid outlet 28 of the first cyclonic separator 4.
The freezing air that step 4, oxygen water vapour gas mixture are inputted in condenser 9 and from the gas inlet 13 of condenser 9 carries out heat exchange, water of condensation flows out by the condensation-water drain 15 of condenser 9, condensing water inlet 17 through waste heat boiler 10 enters waste heat boiler 10, the oxygen that separation obtains flows out through the oxygen outlet 16 of condenser 9, enters oxygen cleaner 23 by the inlet mouth 25 of oxygen cleaner 23.
Step 5, oxygen enter air collector 24 by air outlet 26 outflows of oxygen cleaner 23 and store after the interior purification of oxygen cleaner 23.
Step 6, air after the interior heat exchange of condenser 9 enter fast fluidized bed reactor 5 through the gas inlet 23 of fast fluidized bed reactor 5, and the metal oxide oxygen carrier after deoxidation generates regenerated metal oxide oxygen carrier with air generation oxidizing reaction in fast fluidized bed reactor 5.
Me x O y-2 ＋O 2?→Me x O y
Step 7, reacted oxygen-denuded air and regenerated metal oxide oxygen carrier enter the second cyclonic separator 6, oxygen-denuded air is flowed out by the pneumatic outlet 22 of the second cyclonic separator 6, gas inlet 18 through waste heat boiler 10 enters waste heat boiler 10, air vout 20 through waste heat boiler 10 after heat exchange is discharged, and regenerated metal oxide oxygen carrier enters returning charge mechanism 7 through the solid outlet 29 of the second cyclonic separator 6.
Step 8, returning charge mechanism 7 send regenerated metal oxide oxygen carrier into bubbling fluidization bed bioreactor 1, and regenerated metal oxide oxygen carrier starts again reaction in bubbling fluidization bed bioreactor 1, forms thus a circulation.
Be further described inventing a kind of device that utilizes chemical chain air separation to prepare oxygen below in conjunction with concrete instance.
Embodiment
The metal oxide oxygen carrier granule using is PbO 2the particle diameter of particle is 100 μ m ~ 200 μ m, the inlet amount of oxygen carrier is 500g, the flow that enters the water vapour in bubbling fluidization bed bioreactor is 5 L/min, bubbling fluidization bed bioreactor interior reaction temperature is 250 ~ 350 ℃, and working pressure is 0.1 ~ 0.2MPa, and fast bed reactor reaction temperature is 400 ~ 500 ℃, be 1L/min from the air flow quantity of fast bed gas reactor import input, working pressure is 0.1MPa.

Claims (4)

1. utilize chemical chain air separation to prepare a device for oxygen, it is characterized in that: comprise bubbling fluidization bed bioreactor (1), grid distributor (2), the first air distribution plate (3), the first cyclonic separator (4), fast fluidized bed reactor (5), the second cyclonic separator (6), returning charge mechanism (7), the second air distribution plate (8), condenser (9), waste heat boiler (10), oxygen cleaner (23) and air collector (24); Wherein the first air distribution plate (3) is located at the bottom of bubbling fluidization bed bioreactor (1), and bubbling fluidization bed bioreactor (2) internal cavity is divided into upper and lower two portions by grid distributor (2), and lower part is fast lifting section, and upper part is main fluidisation conversion zone; The outlet of bubbling fluidization bed bioreactor (1) is connected with the first cyclonic separator (4); The pneumatic outlet (11) of the first cyclonic separator (4) is connected with the mixed gas inlet (12) of condenser (9), and the solid outlet (28) of the first cyclonic separator (4) is connected with fast fluidized bed reactor (5); The bottom of fast fluidized bed reactor (5) is provided with the second air distribution plate (8), and the outlet of fast fluidized bed reactor (5) is connected with the second cyclonic separator (6), and the solid outlet (29) of the second cyclonic separator (6) is connected with returning charge mechanism (7); Returning charge mechanism (7) is connected with lower part of bubbling fluidization bed bioreactor (1) cavity; The pneumatic outlet (22) of the second cyclonic separator (6) is connected with waste heat boiler gas inlet (18); Waste heat boiler condensing water inlet (17) is connected with condenser condenses water out (15), the steam outlet (19) of waste heat boiler (10) is connected with the steam entry (21) of bubbling fluidization bed bioreactor (1), and the air vout (20) of waste heat boiler (10) is for by the Bas Discharged after heat exchange; Gas inlet (13) the input freezing air of condenser (9), the air vout (14) that condenser (9) is is connected with the gas inlet (23) of fast fluidized bed reactor (5), the oxygen outlet (16) of condenser (9) is connected with the inlet mouth (25) of oxygen cleaner (23), for purifying prepared oxygen; Oxygen cleaner air outlet (26) is connected with air collector inlet mouth (27).
2. based on the method for utilizing chemical chain air separation to prepare the Preparation of oxygen of the device of oxygen claimed in claim 1, it is characterized in that, method steps is as follows:
Step 1, by the charging bole of bubbling fluidization bed bioreactor (1), metal oxide oxygen carrier is added in bubbling fluidization bed bioreactor (1);
Step 2, the water vapour that waste heat boiler (10) is produced pass into bubbling fluidization bed bioreactor (1) from the steam entry (21) of bubbling fluidization bed bioreactor (1), until bubbling fluidization bed bioreactor (1) reaches temperature of reaction, now, air in whole device is all discharged, metal oxide oxygen carrier in bubbling fluidization bed bioreactor (1) reacts under steam atmosphere, disengage oxygen, reaction equation is:
2Me x O y ?＋?H 2O ( g) ?→?2Me x O y-1 ?＋?O 2?＋?H 2O ( g)
Metal oxide oxygen carrier after mixed gas and the deoxidation of step 3, oxygen and water vapour composition enters the first cyclonic separator (4), oxygen water vapour gas mixture flows out from the pneumatic outlet (11) of the first cyclonic separator (4), mixed gas inlet (12) by condenser (9) enters condenser (9), and the oxygen carrier after deoxidation enters fast fluidized bed reactor (5) through the solid outlet (28) of the first cyclonic separator (4);
The freezing air that step 4, oxygen water vapour gas mixture are inputted in condenser (9) and from the gas inlet (13) of condenser (9) carries out heat exchange, water of condensation flows out by the condensation-water drain (15) of condenser (9), condensing water inlet (17) through waste heat boiler (10) enters waste heat boiler (10), the oxygen that separation obtains flows out through the oxygen outlet (16) of condenser (9), enters oxygen cleaner (23) by the inlet mouth (25) of oxygen cleaner (23);
After step 5, oxygen purify in oxygen cleaner (23), entering air collector (24) by air outlet (26) outflow of oxygen cleaner (23) stores;
Step 6, air in condenser (9) after heat exchange enter fast fluidized bed reactor (5) through the gas inlet (23) of fast fluidized bed reactor (5), metal oxide oxygen carrier after deoxidation generates regenerated metal oxide oxygen carrier with air generation oxidizing reaction in fast fluidized bed reactor (5), and reaction equation is as follows:
Me x O y-2 ＋O 2?→Me x O y
Step 7, reacted oxygen-denuded air and regenerated metal oxide oxygen carrier enter the second cyclonic separator (6), oxygen-denuded air is flowed out by the pneumatic outlet (22) of the second cyclonic separator (6), gas inlet (18) through waste heat boiler (10) enters waste heat boiler (10), air vout (20) through waste heat boiler (10) after heat exchange is discharged, and regenerated metal oxide oxygen carrier enters returning charge mechanism (7) through the solid outlet (29) of the second cyclonic separator (6);
Step 8, returning charge mechanism (7) send regenerated metal oxide oxygen carrier into bubbling fluidization bed bioreactor (1), and regenerated metal oxide oxygen carrier starts again reaction in bubbling fluidization bed bioreactor (1), forms thus a circulation.
3. the method for utilizing chemical chain air separation to prepare the Preparation of oxygen of the device of oxygen according to claim 2, it is characterized in that: in step 1, metal oxide oxygen carrier is selected according to the working temperature of bubbling fluidization bed bioreactor (1), and selected metal oxide oxygen carrier particle size range is between 100 μ m ~ 500 μ m.
4. prepare the method for the Preparation of oxygen of the device of oxygen according to the chemical chain air separation of utilizing described in claim 2 or 3, it is characterized in that: the metal oxide oxygen carrier in step 1 comprises Pb, PbO 2, Pb 2o 3or PbO.
CN201410099619.2A 2014-03-18 2014-03-18 A kind of device and method utilizing chemical chain air separation to prepare oxygen Expired - Fee Related CN103864021B (en)

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Cited By (7)

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CN105110299A (en) * 2015-08-26 2015-12-02 东北大学 System and method for preparing oxygen from medium/low-temperature waste heat
CN108117049A (en) * 2016-11-29 2018-06-05 财团法人工业技术研究院 Chemical loop air separation oxygen generation device and method thereof
CN108569676A (en) * 2018-05-10 2018-09-25 哈尔滨理工大学 Using flue gas as the chemical chain air separation oxygenerator and method of heat source
CN110015643A (en) * 2019-05-29 2019-07-16 黄羿钤 Utilize the method and device thereof of thermal energy production oxygen
CN110030552A (en) * 2019-05-21 2019-07-19 中石化炼化工程（集团）股份有限公司 A kind of oxygen rich gas production method and its system, heating furnace
CN110131964A (en) * 2019-05-21 2019-08-16 中石化炼化工程（集团）股份有限公司 A kind of chemical chain air separating method and its system
CN110332811A (en) * 2019-04-30 2019-10-15 上海源晗能源技术有限公司 The method and apparatus of oxygen-enriched preparation and conveying in cement kiln oxygen-enriched combusting

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WO2013040645A1 (en) * 2011-09-23 2013-03-28 Newcastle Innovation Limited Integrated chemical looping air separation in large-scale oxy-fuel plants
CN103043616A (en) * 2012-12-26 2013-04-17 东北大学 Device and method for preparing high-purity oxygen gas based on chemical-loop air separation technique

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US20110300060A1 (en) * 2010-06-02 2011-12-08 Florent Guillou Oxygen production method and plant using chemical looping in a fluidized bed
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105110299A (en) * 2015-08-26 2015-12-02 东北大学 System and method for preparing oxygen from medium/low-temperature waste heat
CN108117049A (en) * 2016-11-29 2018-06-05 财团法人工业技术研究院 Chemical loop air separation oxygen generation device and method thereof
CN108117049B (en) * 2016-11-29 2021-05-25 财团法人工业技术研究院 Chemical loop air separation oxygen generation device and method thereof
CN108569676A (en) * 2018-05-10 2018-09-25 哈尔滨理工大学 Using flue gas as the chemical chain air separation oxygenerator and method of heat source
CN110332811A (en) * 2019-04-30 2019-10-15 上海源晗能源技术有限公司 The method and apparatus of oxygen-enriched preparation and conveying in cement kiln oxygen-enriched combusting
CN110030552A (en) * 2019-05-21 2019-07-19 中石化炼化工程（集团）股份有限公司 A kind of oxygen rich gas production method and its system, heating furnace
CN110131964A (en) * 2019-05-21 2019-08-16 中石化炼化工程（集团）股份有限公司 A kind of chemical chain air separating method and its system
CN110030552B (en) * 2019-05-21 2020-06-12 中石化炼化工程（集团）股份有限公司 Oxygen-enriched gas production method and system and heating furnace
CN110015643A (en) * 2019-05-29 2019-07-16 黄羿钤 Utilize the method and device thereof of thermal energy production oxygen

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