CN103864021B - A kind of device and method utilizing chemical chain air separation to prepare oxygen - Google Patents
A kind of device and method utilizing chemical chain air separation to prepare oxygen Download PDFInfo
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- CN103864021B CN103864021B CN201410099619.2A CN201410099619A CN103864021B CN 103864021 B CN103864021 B CN 103864021B CN 201410099619 A CN201410099619 A CN 201410099619A CN 103864021 B CN103864021 B CN 103864021B
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- oxygen
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- cyclonic separator
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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
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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
- 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 kind of device and method utilizing chemical chain air separation to prepare oxygen, comprise bubbling fluidization bed bioreactor, grid distributor, the first air distribution plate, the first cyclonic separator, fast fluidized bed reactor, the second cyclonic separator, Loop Seal, the second air distribution plate, condenser, waste heat boiler, oxygen cleaner and air collector and connect to form.The present invention utilizes the principle Preparation of oxygen of chemical chain air separation technology, and advantage is efficiently, energy consumption is low, simple to operate and it is high to produce oxygen purity.
Description
Technical field
The invention belongs to chemical chain technology and air separation prepares oxygen technical field, be specifically related to a kind of device and method utilizing chemical chain air separation to prepare oxygen.
Background technology
Oxygen is a kind of important chemical feedstocks, has a wide range of applications in 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 membrane separation technique 3 kinds of modes.Low temperature fractionation technology is that the most ripe air separation produces oxygen technology at present, this technology: history is long, cardinal principle utilizes nitrogen in air different with the boiling point of oxygen, after liquefaction of air, carry out the object that low temperature fractionation reaches 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, and can realize automatization, device fabrication is simple, but there is the shortcomings such as the low and energy consumption of production capacity is high.The advantage of membrane separation technique is simple to operate, can carry out at normal temperatures and pressures, but it is difficult to there is mould material preparation, 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 utilizing 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 realizing the object of the invention is: a kind of device utilizing 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, Loop Seal, 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 fluidized reaction section; 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 Loop Seal; Loop Seal 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 air after heat exchange to discharge; 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 utilizing chemical chain air separation technology to prepare high purity oxygen gas prepares 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, by waste heat boiler produce water vapour 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
xO
y+H
2O
(g)→2Me
xO
y-1+O
2+H
2O
(g)
Metal oxide oxygen carrier after the mixed gas that step 3, oxygen and water vapour form and deoxidation enters the first cyclonic separator, oxygen water vapour gas mixture flows out from the pneumatic outlet of the first cyclonic separator, enter condenser by the mixed gas inlet of condenser, the oxygen carrier after deoxidation enters fast fluidized bed reactor through the solid outlet of the first cyclonic separator;
Step 4, oxygen water vapour gas mixture carry out heat exchange in condenser and from the freezing air that the gas inlet of condenser inputs, water of condensation is flowed out by the condensation-water drain of condenser, condensing water inlet through waste heat boiler enters waste heat boiler, be separated the oxygen obtained to flow out through the oxygen outlet of condenser, enter oxygen cleaner by the inlet mouth of oxygen cleaner;
Enter air collector by the air outlet outflow of oxygen cleaner after step 5, oxygen purify in oxygen cleaner to store;
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
xO
y-2+O
2→Me
xO
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, discharge through the air vout of waste heat boiler after heat exchange, regenerated metal oxide oxygen carrier enters Loop Seal through the solid outlet of the second cyclonic separator;
Regenerated metal oxide oxygen carrier is sent into bubbling fluidization bed bioreactor by step 8, Loop Seal, and regenerated metal oxide oxygen carrier starts reaction again in bubbling fluidization bed bioreactor, forms a circulation thus.
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 μm ~ 500 μm; 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 structure provided by the invention is simple, easy and simple to handle and can obtain highly purified oxygen; 2. oxygenerator provided by the invention enables equipment circular flow by the regeneration of oxygen carrier, thus can 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 utilizing 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, first air distribution plate 3, first cyclonic separator 4, fast fluidized bed reactor 5, second cyclonic separator 6, Loop Seal 7, second air distribution plate 8, condenser 9, waste heat boiler 10, oxygen cleaner 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 fluidized reaction section; The outlet of bubbling fluidization bed bioreactor 1 is connected with the first cyclonic separator 4; First cyclonic separator pneumatic outlet 11 obtains obtained 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 Loop Seal 7; Loop Seal 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 discharging the air after heat exchange; The gas inlet 13 of condenser 9 inputs 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, for purifying prepared oxygen; Oxygen cleaner air outlet 26 is connected with air collector inlet mouth 27.
Described bubbling fluidization bed bioreactor 1 provides the device of environment for bearing metal oxide compound oxygen carrier and for metal oxide oxygen carrier releasing oxygen; Air distribution plate be for supported in rest bed material, be distributed in reactor cross-section with making uniform stream, and provide enough pressure, make bed expect even fluidizing device.First cyclonic separator 4 is for the device by the oxygen in fluidized-bed Exhaust Gas and water vapour gas mixture and metal oxide oxygen carrier separate particles; Fast fluidized bed reactor 5 is the devices carrying out oxidation regeneration for the oxygen in metal oxide oxygen carrier particle absorption air; Second cyclonic separator 6 is devices of waste gas for being discharged by fast bed and metal oxide oxygen carrier separate particles; Loop Seal 7 is the devices for being sent into by the metal oxide oxygen carrier after regeneration in bubbling fluidization bed bioreactor; Condenser 9 to utilize and the freezing air heat exchange oxygen of being discharged by the first cyclonic separator 4 and water vapour gas mixture carry out the device of condensation separation; Waste heat boiler 10 is used to the device that bubbling fluidization bed bioreactor 1 provides water vapour; Oxygen cleaner is the device that oxygen for purifying preparation obtains high-purity oxygen.
The core technology of method of the present invention utilizes metal oxide oxygen carrier in temperature higher than a certain value, and when system oxygen partial pressure is lower than equilibrium oxygen partial pres-sure, generation oxygen takes off coupling reaction and produces oxygen; Otherwise oxygen desorption reaction can be there is.Its reaction equation can be expressed as:
Deoxygenation: 2Me
xo
y+ H
2o
(g)→ 2Me
xo
y-1+ O
2+ H
2o
(g)
Oxidizing reaction: Me
xo
y-2+ O
2→ Me
xo
y
Wherein, MexOy is oxygen carrier; MexOy-2 is the oxygen carrier after deoxidation;
Composition graphs 2, utilizes chemical chain air separation to prepare the method for the Preparation of oxygen of the device of oxygen, comprises 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 μm ~ 500 μm, adds in bubbling fluidization bed bioreactor 1 by the charging bole of bubbling fluidization bed bioreactor 1 by metal oxide oxygen carrier;
Metal oxide oxygen carrier wherein 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 produced by waste heat boiler 10 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
xO
y+H
2O
(g)→2Me
xO
y-1+O
2+H
2O
(g)
Metal oxide oxygen carrier after the mixed gas that step 3, oxygen and water vapour form and deoxidation enters the first cyclonic separator 4, oxygen water vapour gas mixture flows out from the pneumatic outlet 11 of the first cyclonic separator 4, enter condenser 9 by the mixed gas inlet 12 of condenser 9, the oxygen carrier after deoxidation enters fast fluidized bed reactor 5 through the solid outlet 28 of the first cyclonic separator 4.
Step 4, oxygen water vapour gas mixture carry out heat exchange in condenser 9 and from the freezing air that the gas inlet 13 of condenser 9 inputs, water of condensation is flowed out by the condensation-water drain 15 of condenser 9, condensing water inlet 17 through waste heat boiler 10 enters waste heat boiler 10, be separated the oxygen obtained to flow out through the oxygen outlet 16 of condenser 9, enter oxygen cleaner by the inlet mouth 25 of oxygen cleaner.
Enter air collector 24 by air outlet 26 outflow of oxygen cleaner after step 5, oxygen purify in oxygen cleaner to store.
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, 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
xO
y-2+O
2→Me
xO
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 Loop Seal 7 through the solid outlet 29 of the second cyclonic separator 6.
Regenerated metal oxide oxygen carrier is sent into bubbling fluidization bed bioreactor 1 by step 8, Loop Seal 7, and regenerated metal oxide oxygen carrier starts reaction again in bubbling fluidization bed bioreactor 1, forms a circulation thus.
Below in conjunction with concrete instance, a kind of device utilizing chemical chain air separation to prepare oxygen of invention is further described.
Embodiment
The metal oxide oxygen carrier granule used is PbO
2the particle diameter of particle is 100 μm ~ 200 μm, the inlet amount of oxygen carrier is 500g, the flow entering the water vapour in bubbling fluidization bed bioreactor is 5L/min, bubbling fluidization bed bioreactor interior reaction temperature is 250 ~ 350 DEG C, and working pressure is 0.1 ~ 0.2MPa, and fast bed reactor reaction temperature is 400 ~ 500 DEG C, the air flow quantity inputted from the import of fast bed gas reactor is 1L/min, and 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), Loop Seal (7), the second air distribution plate (8), condenser (9), waste heat boiler (10), oxygen cleaner 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 (5) 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 fluidized reaction section; 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 Loop Seal (7); Loop Seal (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 discharging the air after heat exchange; Gas inlet (13) the input freezing air of condenser (9), the air vout (14) of condenser (9) 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, for purifying prepared oxygen; Oxygen cleaner air outlet (26) is connected with air collector inlet mouth (27).
2., based on the method utilizing chemical chain air separation to prepare the Preparation of oxygen of the device of oxygen according to 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 produced by waste heat boiler (10) 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 the mixed gas that step 3, oxygen and water vapour form and deoxidation enters the first cyclonic separator (4), oxygen water vapour gas mixture flows out from the pneumatic outlet (11) of the first cyclonic separator (4), enter condenser (9) by the mixed gas inlet (12) of condenser (9), the solid outlet (28) of the oxygen carrier after deoxidation through the first cyclonic separator (4) enters fast fluidized bed reactor (5);
Step 4, oxygen water vapour gas mixture carry out heat exchange in condenser (9) and from the freezing air that the gas inlet (13) of condenser (9) inputs, water of condensation is flowed out by the condensation-water drain (15) of condenser (9), condensing water inlet (17) through waste heat boiler (10) enters waste heat boiler (10), be separated the oxygen outlet (16) of oxygen through condenser (9) obtained to flow out, enter oxygen cleaner by the inlet mouth (25) of oxygen cleaner;
Enter air collector (24) by air outlet (26) outflow of oxygen cleaner after step 5, oxygen purify in oxygen cleaner to store;
Step 6, the gas inlet (23) of air through fast fluidized bed reactor (5) in condenser (9) after heat exchange enter 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), discharge through the air vout (20) of waste heat boiler (10) after heat exchange, the solid outlet (29) of regenerated metal oxide oxygen carrier through the second cyclonic separator (6) enters Loop Seal (7);
Regenerated metal oxide oxygen carrier is sent into bubbling fluidization bed bioreactor (1) by step 8, Loop Seal (7), and regenerated metal oxide oxygen carrier starts reaction again in bubbling fluidization bed bioreactor (1), forms a circulation thus.
3. the method 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), selected metal oxide oxygen carrier particle size range is between 100 μm ~ 500 μm.
4. the chemical chain air separation that utilizes according to Claims 2 or 3 prepares the method for the Preparation of oxygen of the device of oxygen, it is characterized in that: the metal oxide oxygen carrier in step 1 comprises PbO
2, Pb
2o
3or PbO.
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|---|---|---|---|
| CN201410099619.2A CN103864021B (en) | 2014-03-18 | 2014-03-18 | A kind of device and method utilizing chemical chain air separation to prepare oxygen |
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|---|---|---|---|
| CN201410099619.2A CN103864021B (en) | 2014-03-18 | 2014-03-18 | A kind of device and method utilizing chemical chain air separation to prepare oxygen |
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| CN105110299B (en) * | 2015-08-26 | 2018-04-10 | 东北大学 | A kind of system and method that oxygen is prepared using middle-low temperature heat |
| TWI629236B (en) * | 2016-11-29 | 2018-07-11 | 財團法人工業技術研究院 | Chemical-looping air seperation 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 |
| 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 |
| CN110131964B (en) * | 2019-05-21 | 2020-09-29 | 中石化炼化工程（集团）股份有限公司 | Chemical-looping air separation method and system |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3807957A (en) * | 1965-11-24 | 1974-04-30 | Gen Dynamics Corp | Apparatus for chemically separating oxygen from air |
| US8479535B2 (en) * | 2008-09-22 | 2013-07-09 | Praxair Technology, Inc. | Method and apparatus for producing high purity oxygen |
| FR2960869B1 (en) * | 2010-06-02 | 2014-08-08 | Inst Francais Du Petrole | PROCESS AND PLANT FOR PRODUCING OXYGEN BY FLUIDIZED BED CHEMICAL LOOP |
| US9346013B2 (en) * | 2011-09-23 | 2016-05-24 | Newcastle Innovation Limited | Integrated chemical looping air separation in large-scale oxy-fuel plants |
| CN103043616B (en) * | 2012-12-26 | 2014-06-04 | 东北大学 | Device and method for preparing high-purity oxygen gas based on chemical-loop air separation technique |
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