CN106145046B - A kind of modularization oxygenerator based on doughnut ceramic oxygen-permeable membrane - Google Patents
A kind of modularization oxygenerator based on doughnut ceramic oxygen-permeable membrane Download PDFInfo
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- CN106145046B CN106145046B CN201610708551.2A CN201610708551A CN106145046B CN 106145046 B CN106145046 B CN 106145046B CN 201610708551 A CN201610708551 A CN 201610708551A CN 106145046 B CN106145046 B CN 106145046B
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- perineurium
- oxygen
- hollow fiber
- firm banking
- ceramic
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/02—Preparation of oxygen
- C01B13/0229—Purification or separation processes
- C01B13/0248—Physical processing only
- C01B13/0251—Physical processing only by making use of membranes
- C01B13/0255—Physical processing only by making use of membranes characterised by the type of membrane
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
- B01D63/04—Hollow fibre modules comprising multiple hollow fibre assemblies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/08—Hollow fibre membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/02—Inorganic material
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2210/00—Purification or separation of specific gases
- C01B2210/0043—Impurity removed
- C01B2210/0046—Nitrogen
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of modularization oxygenerator based on doughnut ceramic oxygen-permeable membrane, it is removably to be installed in parallel by several hollow fiber membrane bundle elements in being formed in high temperature furnace；Corresponding to each hollow fiber membrane bundle element, heating unit has all been independently arranged in high temperature furnace；Wherein hollow fiber membrane bundle element includes shell, upper lid, doughnut ceramic oxygen-permeable membrane membrane tube, perineurium firm banking and each part of perineurium fixed disk of another end opening of several one end sealing, doughnut ceramic oxygen-permeable membrane membrane tube is fixed on perineurium fixed disk, and passes through organic fluid sealant and inorganic sealant double-layer seal.The present invention's is rational in infrastructure, and each perineurium element capacity of working on one's own is strong, and the quantity of perineurium element can be controlled according to oxygen consuming amount, easily operated and maintenance, there is higher practicality.
Description
Technical field
The present invention separates the category of air oxygenerator for ceramic oxygen-permeable membrane, is specifically related to a kind of doughnut that is based on and makes pottery
The modularization oxygenerator of porcelain oxygen permeation membrane.
Background technology
Present industrial produces and other field is widely used pure oxygen, the application of pure oxygen can increase yield, reduce discharge,
Cost is reduced, the efficient utilization and environmental protection to resource play the role of positive.Traditional oxygen separating is mainly low using air
Warm fractionation process (Cryogenic Separation) and pressure convolution absorption method (Pressure Swing Adsorption),
But generally equipment investment is big, power consumption is high, efficiency is low.In recent years, the research in terms of ceramic oxygen-permeable membrane oxygen achieves larger hair
Exhibition, when certain oxygen concentration gradient be present in material both sides, oxygen by the form of oxonium ion by the oxygen of dynamic formation in lattice from
Sub- defect (Lacking oxygen) is conducted in the form of jump from high keto sectional pressure end to low oxygen partial pressure end, while electronics passes through variable valent metal
Jump reverse conduction between ion.Due to the hybrid conductive ability with high oxonium ion and electronics, such material need not
Additional circuit can completes the transmitting procedure of oxygen, and the transmission of oxygen is carried out in the form of lattice vibration, in theory thoroughly
Oxygen film is 100% to the selectivity of oxygen.Therefore, oxygen permeation membrane is needing industrial process (such as methane portion oxidation of pure oxygen without interruption
Reaction, oxidative coupling reaction etc.) and need industrial process (such as CO of oxygen separating2Decomposition reaction etc.) in have it is very tempting
Application prospect.
Ceramic oxygen-permeable membrane presses its microstructure feature, can be divided into symmetric membrane and anisotropic membrane.Symmetric membrane (such as sheet or tubulose
Structure) due to reasons such as porosity is small, poor permeabilities, it is mainly used in laboratory small-scale application, commercial Application has little significance.Phase
Novel hollow fiber ceramics film (external diameter is generally less than 2mm) prepared by conversion method in addition to traditional ceramics film advantage itself,
Also have unit volume loading density it is big (>1000m2/m3), preparation technology is simple, cost is low and the spy such as self-supporter film forming
Point.Ceramic Hollow Fiber oxygen permeation membrane is due to low intensity, and operation and maintenance method is complicated, therefore doughnut oxygen permeation membrane oxygenerator
Design and high temperature sealing technology turn into limit its application bottleneck.
A kind of oxygen permeation membrane tube bundle assembly (Authorization Notice No. for air-separating oxygen-making was reported in small credit of Tan et al.
CN201175650Y).The perineurium that more doughnut oxygen permeation membranes form is sealed on perineurium placement body by the component side by side, so as to
Extensive oxygen processed is realized, estimated, for this device when 500 LSCF hollow-fibre membranes work simultaneously, its oxygen flow ability is reachable
5.71L/min.This design device can obtain larger oxygen flow flux, but install limited flexibility when safeguarding, and encapsulation scheme
The possibility of high temperature failure be present.
The content of the invention
It is an object of the invention to provide a kind of low cost, high efficiency, it is easily installed the ceramic based on doughnut of dismounting
The modularization oxygenerator of oxygen permeation membrane.
The present invention solves technical problem, adopts the following technical scheme that：
Modularization oxygenerator of the invention based on doughnut ceramic oxygen-permeable membrane, its design feature are：The module
It is removably to be installed in parallel by several hollow fiber membrane bundle elements in being formed in high temperature furnace to change oxygenerator；Corresponding to each
Individual hollow fiber membrane bundle element, heating unit has all been independently arranged in the high temperature furnace, to cause each hollow fiber membrane bundle member
Part can work independently.
The hollow fiber membrane bundle element includes shell, upper lid, the doughnut of another end opening of several one end sealing
Ceramic oxygen-permeable membrane membrane tube, perineurium firm banking and each part of perineurium fixed disk；
Upper lid, shell and the perineurium firm banking coordinate successively from top to bottom, form closed structure；Covered on described
Center offers air intake, offers oxygen outlet in the center of the perineurium firm banking, is opened on the downside of the shell
Provided with air outlet slit and air outlet slit joint is installed；
The inside bottom of the perineurium firm banking is trapezoidal mesa structure；The perineurium fixed disk lies against the perineurium
In firm banking, inverted trapezoidal cavity is formed between the bottom of bottom and perineurium firm banking；
Some through holes are offered on the perineurium fixed disk, is bonded above the perineurium fixed disk and is fixed with ceramic fibre
Paper is tieed up, is also offered on the ceramic fiber paper and the one-to-one through hole of through hole on perineurium fixed disk；
Each doughnut ceramic oxygen-permeable membrane membrane tube is inserted vertically into fixed ceramic fiber paper and film with openend one by one down
In the through hole of beam fixed disk and it extend out in inverted trapezoidal cavity；Above ceramic fiber paper, perineurium firm banking and each hollow fibre
Organic fluid sealant is passed sequentially through between dimension ceramic oxygen-permeable membrane membrane tube and carries out double-layer seal with inorganic sealant.
The oxygen outlet connects oilless vacuum pump.
Organic fluid sealant can 200-400 DEG C of heatproof；The inorganic sealant is with the mixed of alumina powder and glass dust
The glass-ceramic seal materials that powder is composition are closed, wherein glass dust is business BYB075 crown glass.
Perineurium element support frame is provided with the high temperature furnace, lid is outstanding on the boss shape of the hollow fiber membrane bundle element
Hang on the perineurium element support frame, so that hollow fiber membrane bundle element is fixed in the high temperature furnace.
The air intake and air outlet slit joint of the hollow fiber membrane bundle element are all outside high temperature furnace.
The shell is combined into the upper lid with screw thread cooperation, the shell is combined into matching somebody with somebody for the perineurium firm banking
Screw thread coordinates.
Coordinate between the air outlet slit joint and the shell for screw thread.
Beneficial effects of the present invention are embodied in：
1st, each component processing of modularization oxygenerator of the invention is convenient, and assembling process is simple and easy to operate, is adapted to big
Batch production and application.
2nd, the oxygen flow component structure in modularization oxygenerator of the invention is reasonable, and hollow fiber membrane bundle loading density is high.
3rd, between the doughnut ceramic oxygen-permeable membrane membrane tube in perineurium element of the invention and perineurium fixed disk using there is secret
Sealing and inorganic sealant dual-seal, can obtain good sealing effectiveness.
4th, the modularized design of oxygenerator of the present invention makes each oxygen flow element independence high, interferes journey during parallel running
Spend low, perineurium element manipulation status monitoring can be carried out by straightforward procedure, safeguard and change etc. easy to operate, operating efficiency is high.
5th, oxygenerator of the present invention is applied widely, can be assembled into oxygen generation system with oxygen situation according to different, have compared with
High application prospect.
Brief description of the drawings
Fig. 1 is the structural representation of the modularization oxygenerator of the invention based on doughnut ceramic oxygen-permeable membrane；
Fig. 2 is the structural representation of hollow fiber membrane bundle element of the present invention；
Label in figure：1 is air intake；2 be upper lid；3 be shell；4 be doughnut ceramic oxygen-permeable membrane membrane tube；5 be sky
Gas outlet connection；6 be inorganic sealant；7 be organic fluid sealant；8 be ceramic fiber paper；9 be elastic washer；10 fix for perineurium
Disk；11 be perineurium firm banking；12 oxygen outlets；13 be perineurium element support frame；14 be high temperature furnace；15 be resistive heater；
16 be hollow fiber membrane bundle element.
Embodiment
As shown in figure 1, modularization oxygenerator of the present embodiment based on doughnut ceramic oxygen-permeable membrane, is by several
Hollow fiber perineurium element 16 is removably installed in parallel in composition in high temperature furnace 14；Corresponding to each hollow fiber membrane bundle element
16, heating unit is all independently arranged in high temperature furnace, to allow each hollow fiber membrane bundle element to work independently.Specifically set
When putting, heating unit can use resistive heater 15.
As shown in Fig. 2 hollow fiber membrane bundle element 16 includes shell 3, upper lid 2, another end opening of several one end sealing
Doughnut ceramic oxygen-permeable membrane membrane tube 4, perineurium firm banking 11 and perineurium fixed disk 10；
Wherein, upper lid 2, shell 3 and perineurium firm banking 11 coordinate successively from top to bottom, form closed structure；In upper lid 2
Center offer air intake 1, offer oxygen outlet 12 in the center of perineurium firm banking 11, opened in the downside of shell 3
Provided with air outlet slit and air outlet slit joint 5 is installed；
The inside bottom of perineurium firm banking 11 is trapezoidal mesa structure；Perineurium fixed disk 10 lies against perineurium firm banking
(trapezoidal table top superstructure is stuck in 11), and inverted trapezoidal cavity is formed between the bottom of bottom and perineurium firm banking 11；
Some through holes are offered on perineurium fixed disk 10, is bonded above perineurium fixed disk and is fixed with ceramic fiber paper 8,
Also offered on ceramic fiber paper 8 and the one-to-one through hole of through hole on perineurium fixed disk 10；
Each doughnut ceramic oxygen-permeable membrane membrane tube 4 is inserted vertically into the fixed He of ceramic fiber paper 8 with openend one by one down
In the through hole of perineurium fixed disk 10 and it extend out in inverted trapezoidal cavity；Above ceramic fiber paper 8, perineurium firm banking 11 with
Organic fluid sealant 7 is passed sequentially through between each doughnut ceramic oxygen-permeable membrane membrane tube 4 and carries out double-layer seal with inorganic sealant 6.
Oxygen outlet 12 connects oilless vacuum pump.
Specifically, perineurium element support frame 13, the boss shape of hollow fiber membrane bundle element 16 are provided with high temperature furnace 14
Upper lid 2 is suspended on perineurium element support frame 13, so that hollow fiber membrane bundle element 16 is fixed in high temperature furnace 14.Hollow fibre
The air intake 1 and air outlet slit joint 5 for tieing up perineurium element 16 are all located at outside high temperature furnace 14.
Shell 3 is combined into screw thread cooperation with screw thread cooperation, shell 3 is combined into upper lid 2 with matching somebody with somebody for perineurium firm banking 11, and
Sealed by elastic washer.Coordinate between air outlet slit joint 5 and the shell 3 for screw thread.
The assembling of the above-mentioned modularization oxygenerator based on doughnut ceramic oxygen-permeable membrane, occupation mode are exemplified below：
Perineurium fixed disk 10 is kept flat in perineurium firm banking 11, then spreads one layer of ceramic fiber paper 8 on its surface, will
Through hole on ceramic fiber paper 8 and the through-hole alignment on perineurium fixed disk 10, to ensure the energy of doughnut ceramic oxygen-permeable membrane membrane tube 4
Penetrate, be fixed in perineurium fixed disk.The openend of doughnut ceramic oxygen-permeable membrane membrane tube 4 is passed through into downwards ceramic fibre one by one
Paper is inserted vertically into the array through-hole of perineurium fixed disk, adds organic encapsulant 7, and organic encapsulant needs certain flowing
Property, solidification is stable and can bear 200-400 DEG C of temperature, after organic encapsulant solidification, adds inorganic sealant at an upper portion thereof
6, inorganic sealant needs have certain heat shock resistance and heat-insulating capability.Sealing goes out the oxygen of perineurium firm banking after terminating
12 external oilless vacuum pumps of mouth, carry out air-leakage test, if being extracted out without gas, illustrate that air-tightness is intact, if there is air extraction, then
It is secondary to add inorganic sealant, repeat, untill being fully sealed.Elastic washer 9 is enclosed on outside perineurium firm banking 11, so
Shell 3, shell 3 and perineurium firm banking are screwed in afterwards as threaded connection.Upper lid 2 is screwed in into shell 3, shell 3 and upper lid 2 are similarly
Threaded connection, preliminarily forms hollow fiber membrane bundle element 16.Hollow fiber membrane bundle element 16 is passed through into perineurium element support frame 13
It is put into high temperature furnace 14, the upper edge support of lid 2 is on perineurium element support frame with fixation.Air outlet slit joint 5 is screwed in into the side of shell 3
In the tapped through hole of face, the assembling of single perineurium element is completed.
The assembling of some hollow fiber membrane bundle elements is fixed on perineurium element support frame 13 as procedure described above, Ran Houcong
Air intake 1 is passed through air.Each element air outlet slit joint connects follow-up emission-control equipment, to collect processing discharge gas
Body.Collect connection oilless vacuum pump after each the quality of connection flowmeter of oxygen outlet 12 and breather valve, to produce low oxygen partial pressure ring
Border and oxygen are collected.
During work, heating reaches operating temperature (700~900 DEG C), opens oilless vacuum pump, you can produced in inner chamber and film
Raw low oxygen partial pressure environment, so as to carry out oxygen processed.Gas bleeding flow is determined by incoming gas flow gauge.Gas phase color can also be connected
Spectrometer, to inspect gas bleeding oxygen content by random samples, to carry out oxygen quality monitoring.If element operationally goes wrong,
Changes in flow rate can be detected by gas flowmeter, after closing breather valve, damage element is changed.
Through on probation, with one using 10 a diameter of Φ 2mm, length as 40cm Ba0.5Sr0.5Co0.8Fe0.2O3-δ(BSCF)
The oxygen flow element of hollow-fibre membrane composition, at 900 DEG C, oxygen speed is in 150cm3/min.By this calculating, single 48 BSCF
The oxygen production capacity of perineurium element can reach 720cm3/min.If the component of 10 element compositions, total oxygen production capacity can reach
7.2dm3/ min, per hour can oxygen 0.43m processed3.This component can use oxygen demand regulating element quantity, assembling, dimension according to different
Protect and be very convenient to, it is possible to achieve continuous production, there is very high efficiency.
Claims (5)
- A kind of 1. modularization oxygenerator based on doughnut ceramic oxygen-permeable membrane, it is characterised in that：The modularization oxygen dress Put is removably to be installed in parallel to form in high temperature furnace (14) by several hollow fiber membrane bundle elements (16)；Corresponding to each Individual hollow fiber membrane bundle element (16), heating unit has all been independently arranged in the high temperature furnace；The hollow fiber membrane bundle element (16) is included in shell (3), upper lid (2), another end opening of several one end sealing Hollow fiber ceramic oxygen-permeable membrane membrane tube (4), perineurium firm banking (11) and perineurium fixed disk (10) each part；Upper lid (2), shell (3) and the perineurium firm banking (11) coordinate successively from top to bottom, form closed structure；Described The center of upper lid (2) offers air intake (1), and oxygen outlet is offered in the center of the perineurium firm banking (11) (12), offer air outlet slit on the downside of the shell (3) and air outlet slit joint (5) is installed；The inside bottom of the perineurium firm banking (11) is trapezoidal mesa structure；The perineurium fixed disk (10) lies against described In perineurium firm banking (11), inverted trapezoidal cavity is formed between the bottom of bottom and perineurium firm banking (11)；Some through holes are offered on the perineurium fixed disk (10), is bonded above the perineurium fixed disk and is fixed with ceramic fibre Paper (8) is tieed up, is also offered on the ceramic fiber paper (8) and the one-to-one through hole of through hole on perineurium fixed disk (10)；Each doughnut ceramic oxygen-permeable membrane membrane tube (4) be inserted vertically into one by one down with openend fixed ceramic fiber paper (8) and In the through hole of perineurium fixed disk (10) and it extend out in inverted trapezoidal cavity；Above ceramic fiber paper (8), perineurium firm banking (11) organic fluid sealant (7) is passed sequentially through between each doughnut ceramic oxygen-permeable membrane membrane tube (4) to carry out with inorganic sealant (6) Double-layer seal；Organic fluid sealant can 200-400 DEG C of heatproof；The inorganic sealant is the mixed powder with alumina powder and glass dust Body is the glass-ceramic seal materials of composition, and wherein glass dust is BYB075 crown glass；Perineurium element support frame (13), the boss of the hollow fiber membrane bundle element (16) are provided with the high temperature furnace (14) (2) are covered in shape to be suspended on the perineurium element support frame (13) so that hollow fiber membrane bundle element (16) be fixed on it is described In high temperature furnace (14).
- 2. modularization oxygenerator according to claim 1, it is characterised in that：Oxygen outlet (12) the connection oil-free is true Empty pump.
- 3. modularization oxygenerator according to claim 1, it is characterised in that：The hollow fiber membrane bundle element (16) Air intake (1) and air outlet slit joint (5) are all located at high temperature furnace (14) outside.
- 4. modularization oxygenerator according to claim 1, it is characterised in that：The shell (3) and the upper lid (2) Coordinate with screw thread is combined into, the shell (3) coordinates with the perineurium firm banking (11) with screw thread is combined into.
- 5. modularization oxygenerator according to claim 1, it is characterised in that：The air outlet slit joint (5) with it is described Coordinate between shell (3) for screw thread.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610708551.2A CN106145046B (en) | 2016-08-23 | 2016-08-23 | A kind of modularization oxygenerator based on doughnut ceramic oxygen-permeable membrane |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610708551.2A CN106145046B (en) | 2016-08-23 | 2016-08-23 | A kind of modularization oxygenerator based on doughnut ceramic oxygen-permeable membrane |
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| CN106145046B true CN106145046B (en) | 2018-01-19 |
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| CN107339177A (en) * | 2017-09-03 | 2017-11-10 | 淄博长宝新材料股份有限公司 | A kind of steamer pure oxygen burning high-performance device |
| CN107890783A (en) * | 2017-12-15 | 2018-04-10 | 天津工业大学 | A kind of metallic nickel hollow fiber film assembly and preparation method thereof and the method using its separation hydrogen |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6146549A (en) * | 1999-08-04 | 2000-11-14 | Eltron Research, Inc. | Ceramic membranes for catalytic membrane reactors with high ionic conductivities and low expansion properties |
| CN1304381A (en) * | 1999-05-07 | 2001-07-18 | Bp阿莫科公司 | Composite materials for membrane reactors |
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2016
- 2016-08-23 CN CN201610708551.2A patent/CN106145046B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1304381A (en) * | 1999-05-07 | 2001-07-18 | Bp阿莫科公司 | Composite materials for membrane reactors |
| US6146549A (en) * | 1999-08-04 | 2000-11-14 | Eltron Research, Inc. | Ceramic membranes for catalytic membrane reactors with high ionic conductivities and low expansion properties |
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