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Oxygen permeation membrane permeator system heated by solar energy

A technology of solar collectors and oxygen-permeable membranes, applied in solar heating systems, solar collectors, solar thermal energy, etc., can solve problems such as high production costs, high energy consumption, and complex structures, so as to save operating costs and reduce Effects of small fluctuations and reduced energy consumption

Pending Publication Date: 2022-03-08
QINGDAO INST OF BIOENERGY & BIOPROCESS TECH CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most of the research and development of oxygen permeable membrane permeators use electric furnaces to obtain high temperatures. This method has complex structures, high energy consumption, and high production costs.

Method used

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  • Oxygen permeation membrane permeator system heated by solar energy
  • Oxygen permeation membrane permeator system heated by solar energy
  • Oxygen permeation membrane permeator system heated by solar energy

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] In this example, if figure 2 As shown, the permeable membrane is a sheet-shaped permeable membrane 204; the reaction chamber 202 is provided with a support tube 206, the air guide port 211 is arranged at one end of the support tube 206, and the sheet-shaped permeable membrane 204 is arranged at the other end of the support tube 206, so that the support tube The inner cavity of 206 forms air chamber II.

[0042] Further, as figure 2 As shown, the air chamber I is provided with an air intake duct 203 communicating with the air inlet 208, and the air outlet of the intake air duct 203 corresponds to the sheet-shaped permeable membrane 204; the support tube 206 is inserted with an exhaust air duct 209 , the exhaust air guide pipe 209 communicates with the air guide port 211 .

[0043]The surface of the sheet-shaped permeable membrane 204 can be optionally coated with or not coated with a porous coating to improve the oxygen separation performance. The sealing method can...

Embodiment 2

[0045] Such as image 3 As shown, on the basis of the above embodiments, the lower sealing flange 210 is further provided with a scavenging port 213; In this embodiment, the collection of oxygen is realized by purging in the gas chamber II, and the oxygen in the gas chamber II enters the gas chromatograph detector through the exhaust pipeline. The air provided by the air supply system is normal pressure air or compressed air with a pressure of 0~3MPa; the purge gas provided by the purge system is normal pressure air.

Embodiment 3

[0047] In this example, if Figure 4 As shown, the permeable membrane is a hollow permeable membrane 21, one end of the hollow permeable membrane 21 communicates with the air 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.

[0048] The reaction chamber 202 adopts a quartz tube, and the two ends of the quartz tube are respectively provided with an upper sealing flange 201 and a lower sealing flange 210; There is an air inlet 208 .

[0049] In this embodiment, the hollow permeable membrane 21 uses BaCo 0.4 Fe 0.4 Zr 0.15 Y 0.05 o 3 Hollow fiber membrane.

[0050] BaCo 0.4 Fe 0.4 Zr 0.15 Y 0.05 o 3 The preparation method of the hollow fiber membrane is: a phase inversion method-high temperature sintering process is adopted for preparation.

[0051] Specifically: the BaCO 3 , CoO, Fe 2 o 3 , ZrO 2 , Y 2 o 3 After mixing according to the stoichiometric ratio, in a planetary ball mill...

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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. Comprising a solar heat collector, an oxygen permeation membrane permeator, an air supply system, a vacuumizing system and an online gas chromatographic analysis device, and the air supply system is connected with the oxygen permeation membrane permeator and used for providing air; the oxygen permeation membrane permeator is used for separating air to prepare oxygen and oxygen-enriched air; the solar heat collector is arranged on one side of the oxygen permeation membrane permeator and is used for converting solar energy into heat energy so as to provide a heat source for the oxygen permeation membrane permeator; the vacuumizing system is connected with the oxygen permeation membrane permeator and is used for vacuumizing the oxygen permeation membrane permeator; and the on-line gas chromatographic analysis device is connected with the vacuumizing system and is used for on-line gas chromatographic detection. According to the invention, rich, free and renewable solar energy is used for heating the oxygen permeation membrane permeator to prepare oxygen, an electric heating furnace is not needed, the energy consumption is reduced, and the operation cost of the oxygen permeation membrane permeator is greatly saved.

Description

technical field [0001] The invention relates to an oxygen-permeable membrane oxygen production system, in particular to an oxygen-permeable membrane permeator system heated by solar energy. Background technique [0002] Oxygen-permeable membrane permeators use mixed oxygen ion-electron conductors as the membrane material, which can be used for pure oxygen preparation, catalytic oxidation reaction and decomposition reaction process, etc. Compared with traditional cryogenic methods and pressure swing adsorption methods, the use of oxygen permeable membrane permeators for oxygen production greatly reduces the cost, and has good application value and commercial prospects in chemical production processes. [0003] The energy consumption and operating cost of the oxygen production process of the oxygen permeable membrane permeator mainly come from the high temperature required by the membrane permeator. At present, most of the research and development of oxygen permeable membrane...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N30/02G01N30/16B01D53/22F24S23/00
CPCG01N30/02G01N30/16B01D53/22F24S23/00Y02E10/44
Inventor 江河清梁文渊张艳梁方义贺广虎
Owner QINGDAO INST OF BIOENERGY & BIOPROCESS TECH CHINESE ACADEMY OF SCI
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