CN114152682A - Oxygen permeation membrane permeator system heated by solar energy - Google Patents
Oxygen permeation membrane permeator system heated by solar energy Download PDFInfo
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- CN114152682A CN114152682A CN202010926947.0A CN202010926947A CN114152682A CN 114152682 A CN114152682 A CN 114152682A CN 202010926947 A CN202010926947 A CN 202010926947A CN 114152682 A CN114152682 A CN 114152682A
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- 239000012528 membrane Substances 0.000 title claims abstract description 141
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 110
- 239000001301 oxygen Substances 0.000 title claims abstract description 110
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 109
- 238000004817 gas chromatography Methods 0.000 claims abstract description 24
- 238000004458 analytical method Methods 0.000 claims abstract description 10
- 238000000926 separation method Methods 0.000 claims abstract description 6
- 238000001514 detection method Methods 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 67
- 238000007789 sealing Methods 0.000 claims description 39
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 230000002000 scavenging effect Effects 0.000 claims description 13
- 238000003860 storage Methods 0.000 claims description 12
- 238000010926 purge Methods 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 238000000746 purification Methods 0.000 claims description 8
- 239000010453 quartz Substances 0.000 claims description 8
- 238000005086 pumping Methods 0.000 abstract description 12
- 238000010438 heat treatment Methods 0.000 abstract description 10
- 238000005485 electric heating Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 239000012510 hollow fiber Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
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- 239000002184 metal Substances 0.000 description 3
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- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 238000000498 ball milling Methods 0.000 description 2
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000010416 ion conductor Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
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- 229910000420 cerium oxide Inorganic materials 0.000 description 1
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical group [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- -1 oxygen ion Chemical class 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
-
- 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
- B01D53/22—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 by diffusion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/16—Injection
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Pathology (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to an oxygen-permeable membrane oxygen generation system, in particular to an oxygen-permeable membrane permeator system heated by solar energy. The device comprises a solar heat collector, an oxygen permeable membrane permeator, an air supply system, a vacuum pumping system and an online gas chromatography analysis device, wherein the air supply system is connected with the oxygen permeable membrane permeator and is used for providing air; the oxygen permeable membrane permeator is used for air separation to prepare oxygen and oxygen-enriched air; the solar heat collector is arranged on one side of the oxygen permeable membrane permeator and is used for converting solar energy into heat energy so as to provide a heat source for the oxygen permeable membrane permeator; the vacuum pumping system is connected with the oxygen permeable membrane permeator and is used for vacuumizing the oxygen permeable membrane permeator; the on-line gas chromatography analysis device is connected with the vacuum pumping system and used for on-line gas chromatography detection. The invention utilizes the renewable solar heating oxygen permeation membrane permeator which is rich and free to prepare oxygen, does not need an electric heating furnace, reduces the energy consumption and greatly saves the operation cost of the oxygen permeation membrane permeator.
Description
Technical Field
The invention relates to an oxygen-permeable membrane oxygen generation system, in particular to an oxygen-permeable membrane permeator system heated by solar energy.
Background
The oxygen permeable membrane permeator takes mixed oxygen ion-electronic conductor as membrane material and can be used for pure oxygen preparation, catalytic oxidation reaction, decomposition reaction process and the like. Compared with the traditional cryogenic method and pressure swing adsorption method, the oxygen permeable membrane permeator for preparing oxygen greatly reduces the cost, and has good application value and commercial prospect in the chemical production process.
The energy consumption and the operation cost in the oxygen production process of the oxygen permeable membrane permeator mainly come from the high temperature required by the membrane permeator. At present, the oxygen permeable membrane permeator is mostly heated by an electric heating furnace to obtain high temperature in the research and development process, and the mode has the disadvantages of complex structure, high energy consumption and higher production cost.
Disclosure of Invention
In view of the above problems, the present invention aims to provide an oxygen permeable membrane permeator system heated by solar energy to realize the preparation of oxygen or oxygen-enriched air.
In order to achieve the purpose, the invention adopts the following technical scheme;
an oxygen-permeable membrane permeator system heated by solar energy comprises a solar heat collector, an oxygen-permeable membrane permeator, a gas supply system and an on-line gas chromatographic analysis device,
the gas supply system is connected with the oxygen permeable membrane permeator and is used for supplying air;
the oxygen permeable membrane permeator is used for preparing oxygen and oxygen-enriched air by air separation;
the solar heat collector is arranged on one side of the oxygen permeable membrane permeator and is used for converting solar energy into heat energy so as to provide a heat source for the oxygen permeable membrane permeator;
the online gas chromatography analysis device is connected with the oxygen permeable membrane permeator and used for online gas chromatography detection.
The solar heat collector is a light-gathering heat collector.
The oxygen permeation membrane permeator comprises a reaction chamber and a permeable membrane arranged in the reaction chamber, and the permeable membrane divides the reaction chamber into a gas chamber I and a gas chamber II;
the gas chamber I is provided with a gas inlet and a gas outlet, the gas inlet is communicated with the gas supply system, and the gas outlet is connected with the online gas chromatography device;
and the gas chamber II is provided with a gas guide port, and the gas guide port is connected with the online gas chromatography device through a gas exhaust pipeline.
The gas supply system comprises a gas storage container I, a purification device I and a flowmeter I which are sequentially communicated through a gas supply pipeline I, wherein the gas supply pipeline I is communicated with a gas inlet of a gas chamber I.
The oxygen permeation membrane permeator system heated by solar energy further comprises a vacuum pumping system and/or a blowing system, wherein the vacuum pumping system comprises a vacuum pumping pipeline, a three-way valve and a vacuum pump; one interface of the three-way valve is connected with the air guide port, the other two interfaces are respectively connected with one ends of the exhaust pipeline and the vacuumizing pipeline, the other end of the vacuumizing pipeline is connected with the online gas chromatographic analysis device, and the vacuum pump is arranged on the vacuumizing pipeline;
the purging system comprises a gas storage container II, a purifying device II and a flowmeter II which are sequentially communicated through a gas supply pipeline II; and the air supply pipeline II is communicated with a scavenging interface arranged in the air chamber II.
The permeable membrane is a sheet permeable membrane;
the reaction chamber is internally provided with a supporting tube, the air guide port is arranged at one end of the supporting tube, and the sheet permeable membrane is arranged at the other end of the supporting tube, so that the inner cavity of the supporting tube forms the air chamber II.
An air inlet air guide pipe communicated with the air inlet is arranged in the air chamber I, and an air outlet of the air inlet air guide pipe corresponds to the sheet permeable membrane;
an exhaust air duct is inserted in the supporting tube and communicated with the air guide port.
The air pipe is arranged in the support pipe and communicated with the air scavenging port, and the length of the air pipe is greater than that of the air guide pipe.
The permeable membrane is a hollow permeable membrane, one end of the hollow permeable membrane is communicated with the air guide port, and the other end of the hollow permeable membrane is a closed end; the inner cavity of the hollow permeable membrane forms the air chamber II.
The reaction chamber adopts a quartz tube, and an upper sealing flange and a lower sealing flange are respectively arranged at two ends of the quartz tube; the upper sealing flange is provided with the air inlet, and the lower sealing flange is provided with the air outlet; or the upper sealing flange is provided with the air outlet, and the lower sealing flange is provided with the air inlet.
The invention has the advantages and beneficial effects that:
compared with the prior art, the invention has the following advantages and beneficial effects:
the invention utilizes the renewable solar heating oxygen permeable membrane permeator which is rich and free to prepare oxygen, does not need an electric heating furnace, reduces the energy consumption, greatly saves the operation cost of the oxygen permeable membrane permeator, adopts the intelligent angle regulator to automatically control the solar heater according to the direct solar angle, and reduces the fluctuation influence of the temperature of the heating temperature zone; the method has universality to oxygen permeable membrane materials and permeators which are widely used at present; and adjusting the set parameters of the device in time according to the detection result of the on-line gas chromatography.
Drawings
FIG. 1 is a schematic structural view of an oxygen permeable membrane permeator system utilizing solar heating according to the present invention;
FIG. 2 is a schematic structural view of an oxygen permeable membrane permeator in accordance with one embodiment of the present invention;
FIG. 3 is a schematic structural view of an oxygen permeable membrane permeator in a second embodiment of the present invention;
FIG. 4 is a schematic structural view of an oxygen permeable membrane permeator in a third example of the present invention;
FIG. 5 is a graph of oxygen production rate as a function of actual test temperature for an oxygen permeable membrane permeator according to example three of the present invention.
In the figure: 1 is a solar heat collector; 2 is an oxygen permeable membrane permeator; 201 is an upper sealing flange; 202 is a reaction chamber; 203 is an air inlet guide pipe; 204 is a sheet permeable membrane; 205 is a sealant; 206 is a support tube; 207 is an air outlet; 208 is an air inlet; 209 is an exhaust gas-guide tube; 210 is a lower sealing flange; 211 is an air guide port; 212 is a scavenging pipe; 213 is a scavenging interface; 214 is a hollow permeable membrane; 3 is an intelligent angle adjuster; 4 is a gas storage container I; 5 is a gas storage container II, and 6 is a purification device I; 7 is a purification device II, and 8 is a flowmeter I; 9 is a flowmeter II; 10 is a three-way valve; 11 is a vacuum pump; 12 is an on-line gas chromatography apparatus.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the oxygen permeable membrane permeator system heated by solar energy provided by the invention comprises a solar heat collector 1, an oxygen permeable membrane permeator 2, an air supply system and an online gas chromatography device 12, wherein the air supply system is connected with the oxygen permeable membrane permeator 2 and is used for providing air; the oxygen permeable membrane permeator 2 is used for air separation to prepare oxygen and oxygen-enriched air; the solar heat collector 1 is arranged on one side of the oxygen permeable membrane permeator 2 and is used for converting solar energy into heat energy so as to provide a heat source for the oxygen permeable membrane permeator 2; the on-line gas chromatography analysis device 12 is connected with the oxygen permeable membrane permeator 2 and is used for on-line gas chromatography detection.
As shown in fig. 1, a solar heat collector 1 is a light-concentrating heat collector, and can focus sunlight on an oxygen permeable membrane permeator and convert solar radiation energy into heat energy, and the heating temperature range provided is 0-1100 ℃. The light-concentrating heat collector comprises a light concentrator and an intelligent angle adjuster 3, wherein the light concentrator is a parabolic reflector and concentrates light rays parallel to the symmetry axis of the light concentrator onto the oxygen permeable membrane permeator 2. The intelligent angle adjuster 3 is used to point the axis of the concentrator all the time towards the sun. Specifically, the intelligent angle adjuster 3 may be of a program control type, in which the sun movement law of a set point is calculated and stored in advance by a computer, and then the condenser is rotated at a certain speed according to a program to track the sun; or the intelligent angle regulator 3 can adopt a sensor type, the direction of the incident light of the sun is measured by using the sensor, and the direction of the reflector is regulated by a driving mechanism such as a stepping motor and the like so as to eliminate the deviation between the sun direction and the optical axis of the reflector. Can be by intelligent angle adjustment ware 3 according to the direct incidence angle of sun and carry out automated control, the effective direct incidence angle range of sunlight is 0 ~ 180.
As shown in fig. 1-2, the oxygen permeable membrane permeator 2 comprises a reaction chamber 202 and a permeable membrane arranged in the reaction chamber 202, the permeable membrane divides the reaction chamber 202 into a gas chamber i and a gas chamber ii, the gas chamber i is provided with a gas inlet 208 and a gas outlet 207, and the gas inlet 208 is communicated with a gas supply system; the gas chamber II is provided with a gas guide port 211, and the gas guide port 211 is connected with the on-line gas chromatographic analysis device 12 through a gas exhaust pipeline.
As shown in figure 1, the air supply system comprises an air supply system I, the air supply system I comprises an air storage container I4, a purification device I6 and a flowmeter I8 which are sequentially communicated through an air supply pipeline I, and the air supply pipeline I is communicated with an air inlet 208 of an air chamber I.
On the basis of the above embodiment, as shown in fig. 1, the oxygen permeable membrane permeator system heated by solar energy provided by the invention further comprises a vacuum pumping system and/or a purging system; the vacuumizing system comprises a vacuumizing pipeline, a three-way valve 10 and a vacuum pump 11; one interface of the three-way valve 10 is connected with the air guide port 211, the other two interfaces are respectively connected with one ends of an exhaust pipeline and a vacuum-pumping pipeline, the other end of the vacuum-pumping pipeline is connected with the on-line gas chromatography analysis device 12, and the vacuum pump 11 is arranged on the vacuum-pumping pipeline. The purging system comprises a gas storage container II 5, a purifying device II 7 and a flowmeter II 9 which are sequentially communicated through a gas supply pipeline II; the air supply pipeline II is communicated with a scavenging port 213 arranged on the air chamber II, as shown in figure 3. The purification device I and the purification device II 7 are filters with the functions of removing water and solid impurities, and comprise activated carbon, stainless steel mesh screens, molecular sieves and the like.
Example one
In this embodiment, as shown in FIG. 2, the permeable membrane is a sheet-like permeable membrane 204; a support tube 206 is arranged in the reaction chamber 202, an air guide port 211 is arranged at one end of the support tube 206, and a sheet permeable membrane 204 is arranged at the other end of the support tube 206, so that an air chamber II is formed in the inner cavity of the support tube 206.
Further, as shown in fig. 2, an air inlet duct 203 communicated with an air inlet 208 is arranged in the air chamber i, and an air outlet of the air inlet duct 203 corresponds to the sheet-shaped permeable membrane 204; an exhaust air duct 209 is inserted in the support tube 206, and the exhaust air duct 209 is communicated with an air guide port 211.
The surface of sheet permeable membrane 204 may optionally be coated with or without a porous coating to improve oxygen separation. The sealing mode can adopt cold sealing or hot sealing, the cold sealing is suitable for sealing by adopting a flange, resin sealant and the like when the ambient temperature is lower than 300 ℃, and the hot sealing is suitable for sealing by adopting high-temperature ceramic sealant, metal or glass and the like when the ambient temperature is higher than 300 ℃. The reaction chamber 202 is mainly made of high-temperature resistant materials such as quartz glass, stainless steel and the like, so that sunlight can directly penetrate the surface of the permeable membrane conveniently, and the temperature of the surface of the permeable membrane is improved to the maximum extent; in this embodiment, the reaction chamber 202 is a quartz tube, and two ends of the quartz tube are respectively provided with an upper sealing flange 201 and a lower sealing flange 210; an air inlet 208 is arranged on the upper sealing flange 201, and an air outlet 207 and an air guide port 211 are arranged on the lower sealing flange 210. The upper sealing flange 201 and the lower sealing flange 210 are made of stainless steel, and the support tube 206, the intake air-guide tube 203 and the exhaust air-guide tube 209 are made of alumina. In this embodiment, the oxygen collection is realized by a vacuum pumping system, the vacuum pump 11 is a gas transmission pump or a gas capture pump, and the relative vacuum degree range is 0 to-101 KPa. The on-line gas chromatography analysis device 12 analyzes the components of the gas by using a gas chromatography detector.
Example two
As shown in fig. 3, on the basis of the above embodiment, the lower sealing flange 210 is further provided with a scavenging interface 213; a scavenging pipe 212 is inserted at the scavenging interface 213, and the length of the scavenging pipe 212 is larger than that of the air duct 209. In this embodiment, the collection of oxygen is realized through the mode of sweeping in air chamber II, and oxygen in air chamber II passes through in the exhaust pipe gets into the gas chromatography detector. The air provided by the air supply system is normal pressure air or compressed air with the pressure of 0-3 MPa; the purge gas provided by the purge system is atmospheric air.
EXAMPLE III
In this embodiment, as shown in fig. 4, the permeable membrane is a hollow permeable membrane 21, one end of the hollow permeable membrane 21 is communicated with the air guide port 211, and the other end is a closed end; the inner cavity of the hollow permeable membrane 21 forms a gas chamber ii.
The reaction chamber 202 is a quartz tube, and two ends of the quartz tube are respectively provided with an upper sealing flange 201 and a lower sealing flange 210; an air outlet 207 and an air guide port 211 are arranged on the upper sealing flange 201, and an air inlet 208 is arranged on the lower sealing flange 210.
In this embodiment, BaCo is used as the hollow permeable membrane 210.4Fe0.4Zr0.15Y0.05O3A hollow fiber membrane.
BaCo0.4Fe0.4Zr0.15Y0.05O3The preparation method of the hollow fiber membrane comprises the following steps: the material is prepared by a phase inversion method-high temperature sintering process.
The method comprises the following steps: mixing BaCO3、CoO、Fe2O3、ZrO2、Y2O3Mixing according to stoichiometric ratio, performing wet ball milling for 1000min in a planetary ball mill at the rotating speed of 500 r/min, drying the powder after ball milling, and uniformly mixing the powder with a polymer solution prepared from PES, PVP and NMP to prepare slurry (the powder: PES: PVP: NMP is 50:10:1: 39). Then the slurry is poured into a slurry storage tank of a hollow fiber membrane spinning machine, compressed air (pressure: 4bar) is used as driving force, water is used as core liquid, and the hollow fiber membrane is spun. After the blank is fully exchanged in water for 24 hours and cut into a length of 50cm, after the blank is subjected to hanging burning in a muffle furnace at a high temperature of 1280 ℃ for 10 hours, the whole membrane is in a compact structure, finger-shaped holes exist in a bulk phase, the thickness of the membrane wall is about 200 mu m, and the hollow fiber membrane has the advantages that the hollow fiber membrane is not easy to crack when the temperature is suddenly changed, and better mechanical properties are expressed.
Pure oxygen preparation is carried out by utilizing a solar heating oxygen permeation membrane permeator system under the air/vacuum gradient condition:
oxygen permeable membrane permeator 2 with BaCo0.4Fe0.4Zr0.15Y0.05O3The hollow fiber membrane is made of permeable membrane material, and one end of the permeable membrane is sealed by gold pasteAir is supplied by the air storage container I4, after water and impurities are filtered and removed by the purifying device I6, the air flow rate is controlled by the flowmeter I8 to be 100mL min-1The air chamber I is introduced into the oxygen permeable membrane permeator 2, the angle of the solar heat collector 1 is adjusted by the intelligent angle adjuster 3 to heat the oxygen permeable membrane permeator 2 under the condition of the weather with sufficient sunlight irradiation, and the highest temperature reaches more than 1000 ℃. Meanwhile, the vacuum pump 11 is opened on the other side of the permeable membrane, the prepared oxygen is collected in a vacuum pumping mode, the online analysis is carried out by a gas chromatography detector, the purity of the obtained oxygen is more than 99.9%, and the oxygen generation rate is changed along with the change of the actually tested temperature. Specifically, as shown in FIG. 5, the oxygen permeation rate at 750 ℃ is 0.86mL min-1cm-2When the temperature rises to 960 ℃, the oxygen permeation rate reaches 1.51mL min-1cm-2The heating effect is basically consistent with that of an electric heating furnace.
Oxygen-enriched air is prepared by utilizing a solar heating oxygen-permeable membrane permeator system under the gradient condition of compressed air/air:
oxygen permeable membrane permeator 2 with BaCo0.4Fe0.4Zr0.15Y0.05O3The hollow fiber membrane is membrane material, compressed air is supplied by the air storage container I4, after water and impurities are removed by filtering through the purifying device I6, the flow rate of the compressed air is controlled to be 100mL min by the flowmeter I8-1And the pressure is 3bar, and the oxygen is introduced into the air chamber I at one side of the oxygen permeable membrane permeator 2. Under the condition of the weather with sufficient sunlight irradiation, the angle of the solar heat collector 1 is adjusted by the intelligent angle adjuster 3 to heat the oxygen permeable membrane permeator 2. Meanwhile, the air chamber II at the other side of the permeable membrane is supplied with air by the air storage container II 5, after the air is filtered by the purifying device II 7 to remove moisture and impurities, the air flow rate is controlled by the flowmeter II 9 to be 30mL min-1And introducing the oxygen-enriched air into an air chamber II at the other side of the oxygen-permeable membrane permeator 2, and carrying out on-line analysis on the blown oxygen-enriched air by a gas chromatography detector, wherein the oxygen purity is more than 40%.
In the embodiment of the invention, the solar heat collector 1 can focus sunlight on the oxygen permeable membrane permeator 2 and convert solar radiation energy into heat energy, the heating temperature range is 0-1100 ℃, the intelligent angle regulator 3 can automatically control the heating temperature range according to the direct sunlight angle, and the effective direct sunlight angle range is 0-180 degrees. The oxygen permeable membrane material is a single-phase membrane or a two-phase membrane with oxygen ion-electron mixed conductivity. The single-phase oxygen permeable membrane is a ceramic material with oxygen ion and electron mixed conductive capability, and the crystal structure is perovskite, perovskite-like, spinel and the like; the two-phase oxygen permeable membrane is formed by compounding an oxygen ion conductor phase and an electron conductor phase, wherein the oxygen ion conductor phase is cerium oxide doped with rare earth metals (La, Sm, Pr, Gd, Nd, etc.) or Y, Sc doped zirconium oxide, and the electron conductor phase is metal or metal oxide with electronic conductivity, etc. The oxygen or oxygen-enriched air in the oxygen-permeable membrane permeator can be prepared by introducing air into one side of the membrane and vacuumizing or purging the air-permeable body by using a vacuum pump on the other side of the membrane. In the embodiment of the invention, the air is normal pressure air or compressed air with the pressure of 0-3 MPa; the purge gas is atmospheric air. The membrane surface may be optionally coated or not coated with a porous coating to improve oxygen separation performance. The sealing mode can adopt cold sealing or hot sealing, the cold sealing is suitable for sealing by adopting a flange, resin sealant and the like when the ambient temperature is lower than 300 ℃, and the hot sealing is suitable for sealing by adopting high-temperature ceramic sealant, metal or glass and the like when the ambient temperature is higher than 300 ℃. The vacuum pump is a gas transmission pump or a gas capture pump, and the relative vacuum degree range is 0 to-101 KPa. The system can effectively utilize solar energy to heat the oxygen permeable membrane permeator, does not need an external electric heating furnace, reduces energy consumption, greatly saves the operation cost of preparing oxygen and oxygen-enriched air by the oxygen permeable membrane permeator, and can be used as an air purifier and the like in indoor places such as gymnasiums, meeting rooms and the like in the future.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, extension, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.
Claims (10)
1. An oxygen permeation membrane permeator system heated by solar energy is characterized by comprising a solar heat collector (1), an oxygen permeation membrane permeator (2), a gas supply system and an online gas chromatography analysis device (12),
the gas supply system is connected with the oxygen permeable membrane permeator (2) and is used for supplying air;
the oxygen-permeable membrane permeator (2) is used for preparing oxygen and oxygen-enriched air by air separation;
the solar heat collector (1) is arranged on one side of the oxygen permeable membrane permeator (2) and is used for converting solar energy into heat energy so as to provide a heat source for the oxygen permeable membrane permeator (2);
the online gas chromatography analysis device (12) is connected with the oxygen permeable membrane permeator (2) and is used for online gas chromatography detection.
2. The oxygen-permeable membrane permeator system heated by solar energy according to claim 1, wherein the solar collector (1) is a concentrator collector.
3. The oxygen-permeable membrane permeator system heated by solar energy according to claim 1, wherein the oxygen-permeable membrane permeator (2) comprises a reaction chamber (202) and a permeable membrane arranged in the reaction chamber (202), wherein the permeable membrane divides the reaction chamber (202) into a gas chamber I and a gas chamber II;
the gas chamber I is provided with a gas inlet (208) and a gas outlet (207), the gas inlet (208) is communicated with the gas supply system, and the gas outlet (207) is connected with the online gas chromatography device (12);
the air chamber II is provided with an air guide port (211), and the air guide port (211) is connected with the online gas chromatography device (12) through an exhaust pipeline.
4. The oxygen permeable membrane permeator system heated by solar energy according to claim 3, wherein the gas supply system comprises a gas storage container I (4), a purification device I (6) and a flow meter I (8) which are sequentially communicated through a gas supply pipeline I, and the gas supply pipeline I is communicated with the gas inlet (208) of the gas chamber I.
5. The oxygen permeable membrane permeator system heated by solar energy according to claim 3, further comprising an evacuation system and/or a purge system, said evacuation system comprising an evacuation line, a three-way valve (10) and a vacuum pump (11); one interface of the three-way valve (10) is connected with the air guide port (211), the other two interfaces are respectively connected with one ends of the exhaust pipeline and the vacuumizing pipeline, the other end of the vacuumizing pipeline is connected with the online gas chromatography device (12), and the vacuum pump (11) is arranged on the vacuumizing pipeline;
the purging system comprises a gas storage container II (5), a purification device II (7) and a flowmeter II (9) which are sequentially communicated through a gas supply pipeline II; the air supply pipeline II is communicated with a scavenging interface (213) arranged on the air chamber II.
6. The solar heated oxygen permeable membrane permeator system according to claim 5, wherein the permeable membrane is a sheet permeable membrane (204);
a supporting tube (206) is arranged in the reaction chamber (202), the air guide port (211) is arranged at one end of the supporting tube (206), and the sheet permeable membrane (204) is arranged at the other end of the supporting tube (206), so that the inner cavity of the supporting tube (206) forms the air chamber II.
7. The oxygen permeable membrane permeator system heated by solar energy according to claim 6, wherein an air inlet duct (203) communicated with the air inlet (208) is arranged in the air chamber I, and an air outlet of the air inlet duct (203) corresponds to the sheet-shaped permeable membrane (204);
an exhaust air guide pipe (209) is inserted into the supporting pipe (206), and the exhaust air guide pipe (209) is communicated with the air guide port (211).
8. The oxygen permeable membrane permeator system heated by solar energy according to claim 7, wherein a scavenging pipe (212) communicated with the scavenging port (213) is arranged in the supporting pipe (206), and the length of the scavenging pipe (212) is longer than that of the air duct (209).
9. The oxygen permeable membrane permeator system heated by solar energy according to claim 5, wherein the permeable membrane is a hollow permeable membrane (21), one end of the hollow permeable membrane (21) is communicated with the gas guide port (211), and the other end is a closed end; the inner cavity of the hollow permeable membrane (21) forms the air chamber II.
10. The oxygen permeable membrane permeator system heated by solar energy according to claim 6 or 9, wherein the reaction chamber (202) is a quartz tube, and both ends of the quartz tube are respectively provided with an upper sealing flange (201) and a lower sealing flange (210); the upper sealing flange (201) is provided with the air inlet (208), and the lower sealing flange (210) is provided with the air outlet (207); or the upper sealing flange (201) is provided with the air outlet (207), and the lower sealing flange (210) is provided with the air inlet (208).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115234969A (en) * | 2022-08-04 | 2022-10-25 | 重庆大学 | Solar heat collection heating method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4233127A (en) * | 1978-10-02 | 1980-11-11 | Monahan Daniel E | Process and apparatus for generating hydrogen and oxygen using solar energy |
| CN1765766A (en) * | 2005-09-09 | 2006-05-03 | 河北农业大学 | Solar energy membrane bioreactor |
| WO2007077366A2 (en) * | 2005-12-26 | 2007-07-12 | Compagnie Europeenne Des Technologies De L'hydrogene (Ceth) | Process and equipment for producing hydrogen from solar energy |
| CN103575630A (en) * | 2013-10-23 | 2014-02-12 | 中国广州分析测试中心 | Measuring method and device for simultaneously measuring membrane permeability of each gas mixed gas |
| CN104649227A (en) * | 2015-02-13 | 2015-05-27 | 中国科学院工程热物理研究所 | Comprehensive solar energy utilization system based on oxygen permeating membrane |
| CN110237658A (en) * | 2019-06-17 | 2019-09-17 | 中国矿业大学 | Oxygen generation system based on high temperature oxygen permeation membrane |
| CN210001585U (en) * | 2019-06-03 | 2020-01-31 | 四川省科学城海天实业有限公司 | solar oxygen supply device |
-
2020
- 2020-09-07 CN CN202010926947.0A patent/CN114152682A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4233127A (en) * | 1978-10-02 | 1980-11-11 | Monahan Daniel E | Process and apparatus for generating hydrogen and oxygen using solar energy |
| CN1765766A (en) * | 2005-09-09 | 2006-05-03 | 河北农业大学 | Solar energy membrane bioreactor |
| WO2007077366A2 (en) * | 2005-12-26 | 2007-07-12 | Compagnie Europeenne Des Technologies De L'hydrogene (Ceth) | Process and equipment for producing hydrogen from solar energy |
| CN103575630A (en) * | 2013-10-23 | 2014-02-12 | 中国广州分析测试中心 | Measuring method and device for simultaneously measuring membrane permeability of each gas mixed gas |
| CN104649227A (en) * | 2015-02-13 | 2015-05-27 | 中国科学院工程热物理研究所 | Comprehensive solar energy utilization system based on oxygen permeating membrane |
| CN210001585U (en) * | 2019-06-03 | 2020-01-31 | 四川省科学城海天实业有限公司 | solar oxygen supply device |
| CN110237658A (en) * | 2019-06-17 | 2019-09-17 | 中国矿业大学 | Oxygen generation system based on high temperature oxygen permeation membrane |
Non-Patent Citations (1)
| Title |
|---|
| 王宏圣 等: "太阳能膜反应器燃料制取及联合循环效率分析", 工程热物理学报, vol. 37, no. 11, 15 November 2016 (2016-11-15), pages 2269 - 2276 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115234969A (en) * | 2022-08-04 | 2022-10-25 | 重庆大学 | Solar heat collection heating method |
| CN115234969B (en) * | 2022-08-04 | 2023-11-24 | 重庆大学 | Solar heat collection heating method |
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