CN205461840U - Metal supports type tubular oxygen permeation membrane with passing through oxygen testing arrangement - Google Patents
Metal supports type tubular oxygen permeation membrane with passing through oxygen testing arrangement Download PDFInfo
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- CN205461840U CN205461840U CN201521125436.XU CN201521125436U CN205461840U CN 205461840 U CN205461840 U CN 205461840U CN 201521125436 U CN201521125436 U CN 201521125436U CN 205461840 U CN205461840 U CN 205461840U
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Abstract
The utility model provides a metal supports type tubular oxygen permeation membrane with passing through oxygen testing arrangement, including being used for the device metal to support the quartz capsule of type tubular oxygen permeation membrane, a kong wen tube -like stove for being directed at the metal supports outside type tubular oxygen permeation membrane place region heats and place the quartz capsule in, a sweeping gas way A for be linked together with the quartz capsule, a sweeping gas way B for being directed at each test temperature spot that the metal supported type tubular oxygen permeation membrane passes through the gas chromatograph that oxygen flux sample just is linked together with sweeping gas way A and is used for supporting type tubular oxygen permeation membrane with the metal and is linked together, through sweeping gas way A and sweeping of sweeping gas way B and make that inboard that the metal supported type tubular oxygen permeation membrane forms high oxygen partial pressure clamping ring border, the outside forms low oxygen partial pressure clamping ring border. The utility model has the advantages of simple structure, use reliable, easily dismouting, and when the test, high -temperature area is all kept away from to all seal faces to reduced the oxygen permeation membrane elevated -temperature seal degree of difficulty, improved sealed effect, increased oxygen flux thoroughly, improved the test result effectively and truly spent.
Description
Technical field
This utility model relates to oxygen permeation membrane oxygen flow test instrunment technical field, is specifically related to a kind of metal loaded tubular type oxygen permeation membrane oxygen flow and tests device.
Background technology
Oxygen is requisite important substance in commercial production, extensively applies the industries such as chemical industry, metallurgy, medicine, traffic and the energy.Traditional oxygen separating mainly uses cryogenic separation and pressure-variable adsorption, but equipment investment is big, and power consumption is high, and efficiency is low.Oxygen permeation membrane separation oxygen technology is a kind of novel oxygenerating technology.Oxygen permeation membrane is 700 DEG C of high temperature above, and when film both sides exist partial pressure of oxygen gradient, the form that oxygen spreads with oxygen ion vacancy is transmitted, and this conduction oxygen form can reach 100% to the selectivity of oxygen in theory.Oxygen permeation membrane is utilized to come for industrial process oxygen supply, it is possible to significantly reduce the cost of oxygen processed.
Except being used for oxygen processed, more valuable and potentiality the application of oxygen permeation membrane is to be embodied in catalytic film reactor aspect.Membrane reactor is oxygen separating process to be coupled with catalytic reaction process, realizes improving reaction selectivity, reaction conversion ratio and the purpose of reaction rate by controlling oxygen input and output.In numerous membrane reactors, preparing synthetic gas by natural gas partial oxidation is paid much attention to.Synthesis gas can become through F-T synthesis or methanol-fueled CLC as important intermediate and has the fluid product of high added value, but the series of problems that synthetic gas production process exists at present (such as: the supplied with pure oxygen etc. that reaction temperature runaway, the co-fed explosion issues of oxygen methane, price are high) seriously constrains the process of industrialization of this process.Oxygen-permeable membrane reactor inputs and self intrinsic low cost oxygen production capacity by controlling oxygen, can obviously improve above-mentioned unfavorable factor and production cost can be greatly reduced.Oxygen permeation membrane combines with preparing synthetic gas by natural gas partial oxidation process to be deemed to be and most is hopeful to realize industrialized process, has prominent using value for, this clean energy resource of Reasonable Utilization of Natural Gas efficient to future.Additionally, decompose this kind of high-temperature chemical reaction process for water decomposition hydrogen manufacturing, NOx deoxidation, owing to reaction is limited by thermodynamical equilibrium, conversion ratio is the lowest, and utilizes oxygen-permeable membrane reactor, is removed through oxygen permeation membrane by the oxygen of one of product, make balance break, be greatly improved reaction conversion ratio.
Although oxygen permeation membrane is at oxygen processed and relates to oxygen membrane reactor field and has the incomparable advantage of conventional art and have broad application prospects, but the oxygen permeation membrane that existing method is prepared exists, and fragility is big, be difficult to connect the shortcomings such as sealing under mechanical strength low and high temperature, current composite conductor oxygen-permeating film is caused still to be difficult to enter industrial applications.For solving these problems, have to research and propose and prepare oxygen permeation membrane on the porous metals that permeability is good.Owing to the supporting role of porous metals ensure that oxygen permeation membrane has higher mechanical strength, thus oxygen permeation membrane thickness can be greatly reduced, be favorably improved its oxygen permeability.And metal is also easier to be tightly connected compared to ceramic oxygen-permeable membrane material.
The performance of oxygen permeation membrane device also can be produced a very large impact by the design of oxygen permeation membrane configuration, oxygen permeation membrane is broadly divided into chip film and tubular membrane two kinds in configuration, owing to chip film filling area is little, it is difficult to large-area at its surface loading catalyst, under high temperature, chip film is relatively more difficult to seal and modularization simultaneously, restrict its large-scale industrial application, especially in the application in catalytic membrane reaction field.And tubular membrane configuration can improve filling area, improve oxygen flow flux, and cold end seal can be used, be substantially reduced sealing difficulty.Tubular membrane configuration is in modularization, integrated aspect the most more advantage.Therefore, tubular type oxygen permeation membrane is also an important development trend of current high-temperature catalytic membrane reactor.
The link that the test of oxygen permeation membrane oxygen flow flux is indispensable when being to be evaluated oxygen permeation membrane performance, but the oxygen flow test device currently for metal loaded tubular type oxygen permeation membrane have not been reported.
Summary of the invention
The purpose of this utility model is for above-mentioned existing problems and deficiency, it is provided that a kind of simple and reliable for structure, manufactures and easy to use, good sealing effect, can test the oxygen flow test device of the oxygen flow flux of metal loaded tubular type oxygen permeation membrane exactly.
The technical solution of the utility model is achieved in that
Metal described in the utility model loaded tubular type oxygen permeation membrane oxygen flow tests device, it is characterized in: include the quartz ampoule for device metal loaded tubular type oxygen permeation membrane, for purging gas circuit A being connected with quartz ampoule, purging gas circuit B being connected for tubular type oxygen permeation membrane loaded with metal, the temperature control tube furnace that heats for tubular type oxygen permeation membrane region loaded to metal and each test temperature spot for tubular type oxygen permeation membrane loaded to metal carry out the gas chromatograph of oxygen flow flux sampling, the opening loaded for metal loaded tubular type oxygen permeation membrane it is provided with on described quartz ampoule, it is provided with sealing mechanism on described opening, the inner side of metal loaded tubular type oxygen permeation membrane is made to form high keto sectional pressure environment by described purging gas circuit A and the purging of purging gas circuit B, outside forms low oxygen partial pressure environment.
For the ease of the dismounting of metal loaded tubular type oxygen permeation membrane, the opening that described quartz ampoule is arranged is in the end of quartz ampoule.
In order to make easy accessibility of the present utility model, and good sealing effect, described sealing mechanism is flange assembly.Described flange assembly includes flange plate that flange base is connected and the O-ring seal being arranged between flange base and flange plate and seal washer with flange base, and described flange plate is socketed on the opening of quartz ampoule and is fixed with quartz ampoule by flange base and is connected.
In order to make simple in construction of the present utility model, installation and easy to use, described purging gas circuit A includes being purged into trachea A and purging escape pipe A, the described trachea A that is purged into is arranged on one end of quartz ampoule by a seal nipple, and described purging escape pipe A is arranged on the other end of quartz ampoule by a seal nipple and is connected with gas chromatograph.Described purging gas circuit B includes being purged into trachea B and purging escape pipe B, described one end being purged into one end tubular type oxygen permeation membrane loaded with metal that trachea B is arranged on quartz ampoule by a seal nipple is connected by a seal nipple, and described purging escape pipe B is connected by a seal nipple by the other end of the other end tubular type oxygen permeation membrane loaded with metal that a seal nipple is arranged on quartz ampoule.
Having good using effect in order to ensure this utility model, described seal nipple uses 316L rustless steel or high-temperature alloy material to make.
For the ease of regulating the heat affected zone of metal loaded tubular type oxygen permeation membrane, described temperature control tube furnace is open-type temperature control tube furnace.
This utility model, relative to prior art, has the advantage that
(1) this apparatus structure is simple, it is easy to dismounting, manufactures and easy to use；
(2) in this device, all seal faces are in beyond the thermal treatment zone, it is achieved that cold end seal, reduce oxygen permeation membrane elevated-temperature seal difficulty, improve sealing effectiveness, adding oxygen flow flux, the test making oxygen flow flux is more accurate, is effectively improved the validity of test result；
(3) this device is mainly for the test of metal loaded tubular type oxygen permeation membrane oxygen flow flux, it is possible to is applicable to this oxygen permeation membrane oxygen flow ability in various atmospheres and the sign of oxygen flow stability, compensate for the deficiencies in the prior art.
Below in conjunction with the accompanying drawings this utility model is further described.
Accompanying drawing explanation
Fig. 1 is cross-sectional view of the present utility model.
Detailed description of the invention
As shown in Figure 1, metal described in the utility model loaded tubular type oxygen permeation membrane oxygen flow tests device, including the quartz ampoule 2 for device metal loaded tubular type oxygen permeation membrane 1, the temperature control tube furnace 3 heating for tubular type oxygen permeation membrane 1 region loaded to metal and being placed in outside quartz ampoule 2, for purging gas circuit A being connected with quartz ampoule 2, each test temperature spot for tubular type oxygen permeation membrane 1 loaded to metal carries out oxygen flow flux sampling and the gas chromatograph (not shown) being connected with purging gas circuit A and purging gas circuit B being connected for tubular type oxygen permeation membrane 1 loaded with metal, the inner side of metal loaded tubular type oxygen permeation membrane 1 is made to form high keto sectional pressure environment by described purging gas circuit A and the purging of purging gas circuit B, outside forms low oxygen partial pressure environment.In the present embodiment, metal loaded tubular type oxygen permeation membrane 1 for test is to be prepared the fine and close and oxonium ion-electron mixed conductor oxide coating of thinner thickness on porous Ni-base alloy tube surface by supersonic speed plasma or ultralow pressure plasma spraying technology and formed, and the through-type tubular type oxygen permeation membrane that this metal loaded tubular type oxygen permeation membrane 1 is both ends open.Wherein, quartz ampoule 2 is provided with the opening loaded for metal loaded tubular type oxygen permeation membrane 1, and for the ease of the dismounting of metal loaded tubular type oxygen permeation membrane 1, the opening arranged on quartz ampoule 2 is in the end of quartz ampoule, as shown in the figure, in the present embodiment, the both ends of quartz ampoule 2 are provided with opening, so that this quartz ampoule 2 is formed as through-type quartz ampoule.When metal loaded tubular type oxygen permeation membrane 1 is installed, it is flatly to be placed on the axial line of quartz ampoule 2.Accuracy in order to ensure test, avoid air leakage that test result is produced impact, each opening is respectively arranged with sealing mechanism 4, each sealing mechanism 4 is flange assembly, each flange assembly includes flange plate 42 that flange base 41 is connected by screw with flange base 41 and the O-ring seal 43 being arranged between flange base 41 and flange plate 42 and seal washer 44 respectively, and flange plate 42 is socketed on the opening of quartz ampoule 2 and is fixed with quartz ampoule 2 by flange base 41 and is connected.For the ease of purging the setting of gas circuit, purging gas circuit A includes that be made of stainless steel is purged into trachea A5 and purging escape pipe A8, wherein being purged into trachea A5 and be arranged on one end of quartz ampoule 2 by a seal nipple 6, purging escape pipe A8 is arranged on the other end of quartz ampoule 2 by a seal nipple 6 and is connected with gas chromatograph；Purging gas circuit B includes that be made of stainless steel is purged into trachea B7 and purging escape pipe B9, wherein being purged into one end that trachea B7 is arranged on one end of quartz ampoule 2 tubular type oxygen permeation membrane 1 loaded with metal by a seal nipple 6 to be connected by a seal nipple 6, purging escape pipe B9 is arranged on the other end of quartz ampoule 2 by a seal nipple 6 and the other end of tubular type oxygen permeation membrane 1 loaded with metal is connected by a seal nipple 6.As shown in the figure, in the present embodiment, be purged into trachea A5 and be purged into trachea B7 be set in respectively quartz ampoule 2 one end arrange flange plate 42 on, purging escape pipe A8 and purging escape pipe B9 is set on the flange plate 42 that quartz ampoule 2 other end is arranged respectively, and install fixing by the flange plate 42 that a seal nipple 6 is corresponding respectively, the seal nipple 6 now used is through type ferrule fitting；And, for trachea B7 will be purged into and the purging escape pipe B9 seal nipple 6 that is connected on metal loaded tubular type oxygen permeation membrane 1 is reducing ferrule fitting.For avoiding seal nipple 6 to aoxidize the impact on oxygen flow result, each seal nipple 6 all uses has the 316L rustless steel of higher oxidation-resistance property or high-temperature alloy material is made.Additionally, for the ease of the heat affected zone regulating metal loaded tubular type oxygen permeation membrane 1, temperature control tube furnace 3 is open-type temperature control tube furnace.
When this utility model carries out the test of oxygen flow flux for tubular type oxygen permeation membrane 1 loaded to metal, it is first loaded for metal tubular type oxygen permeation membrane 1 to be connected with being purged into trachea B7 and purging escape pipe B9；Then, connect in loaded for metal tubular type oxygen permeation membrane 1 is loaded quartz ampoule 2 and by flange assembly and fix；Then, it is installed to being purged into trachea A5 and purging escape pipe A8 on the flange plate 42 of flange assembly；Then, quartz ampoule 2 is put into open-type temperature control tube furnace and adjusts the riding position of open-type temperature control tube furnace, it is ensured that the seal nipple 6 that metal loaded tubular type oxygen permeation membrane 1 two ends connect is in the thermal treatment zone with external position；Then, with the programming rate of 5-10 DEG C/min be heated to test temperature, now by be purged into trachea B7 be passed through in metal loaded tubular type oxygen permeation membrane 1 air and through purging escape pipe B9 discharge, simultaneously in quartz ampoule 2, it is passed through helium or low oxygen partial pressure gas by being purged into trachea A5, so that outside forms height oxygen partial pressure difference in metal loaded tubular type oxygen permeation membrane 1, oxygen flow can realize；Finally, the helium or the low oxygen partial pressure gas that enter together with purging through oxygen enter gas chromatograph through purging escape pipe A8, can record the metal loaded tubular type oxygen permeation membrane 1 oxygen flow flux at each test temperature spot by sampling.
This utility model is described by embodiment, but this utility model is not construed as limiting, with reference to description of the present utility model, other changes of the disclosed embodiments, as the professional person for this area is readily apparent that, such change should belong within the scope of the restriction of this utility model claim.
Claims (8)
- null1. a metal loaded tubular type oxygen permeation membrane oxygen flow tests device，It is characterized in that: include the quartz ampoule (2) for device metal loaded tubular type oxygen permeation membrane (1)、For purging gas circuit A being connected with quartz ampoule (2)、Purging gas circuit B being connected for tubular type oxygen permeation membrane (1) loaded with metal、The temperature control tube furnace (3) heated for tubular type oxygen permeation membrane (1) region loaded to metal and each test temperature spot being used for tubular type oxygen permeation membrane (1) loaded to metal carry out the gas chromatograph of oxygen flow flux sampling，The opening loaded for metal loaded tubular type oxygen permeation membrane (1) it is provided with on described quartz ampoule (2)，Sealing mechanism (4) it is provided with on described opening，The inner side of metal loaded tubular type oxygen permeation membrane (1) is made to form high keto sectional pressure environment by described purging gas circuit A and the purging of purging gas circuit B、Outside forms low oxygen partial pressure environment.
- Metal the most according to claim 1 loaded tubular type oxygen permeation membrane oxygen flow tests device, it is characterised in that: the upper opening arranged of described quartz ampoule (2) is in the end of quartz ampoule.
- Metal the most according to claim 1 and 2 loaded tubular type oxygen permeation membrane oxygen flow tests device, it is characterised in that: described sealing mechanism (4) is flange assembly.
- Metal the most according to claim 3 loaded tubular type oxygen permeation membrane oxygen flow tests device, it is characterized in that: described flange assembly includes flange plate (42) that flange base (41) is connected and the O-ring seal (43) being arranged between flange base (41) and flange plate (42) and seal washer (44) with flange base (41), described flange plate (42) is socketed on the opening of quartz ampoule (2) and is fixed with quartz ampoule (2) by flange base (41) and is connected.
- Metal the most according to claim 1 loaded tubular type oxygen permeation membrane oxygen flow tests device, it is characterized in that: described purging gas circuit A includes being purged into trachea A(5) and purging escape pipe A(8), described it is purged into trachea A(5) one end of quartz ampoule (2), described purging escape pipe A(8 it is arranged on by a seal nipple (6)) be arranged on the other end of quartz ampoule (2) by a seal nipple (6) and be connected with gas chromatograph.
- Metal the most according to claim 1 loaded tubular type oxygen permeation membrane oxygen flow tests device, it is characterized in that: described purging gas circuit B includes being purged into trachea B(7) and purging escape pipe B(9), described it is purged into trachea B(7) it is arranged on one end of quartz ampoule (2) one end of tubular type oxygen permeation membrane (1) loaded with metal by a seal nipple (6) and is connected by a seal nipple (6), described purging escape pipe B(9) it is arranged on the other end of the other end of quartz ampoule (2) tubular type oxygen permeation membrane (1) loaded with metal by a seal nipple (6) and is connected by a seal nipple (6).
- 7. test device according to the loaded tubular type oxygen permeation membrane oxygen flow of the metal described in claim 5 or 6, it is characterised in that: described seal nipple (6) uses 316L rustless steel or high-temperature alloy material to make.
- Metal the most according to claim 1 loaded tubular type oxygen permeation membrane oxygen flow tests device, it is characterised in that: described temperature control tube furnace (3) is open-type temperature control tube furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521125436.XU CN205461840U (en) | 2015-12-30 | 2015-12-30 | Metal supports type tubular oxygen permeation membrane with passing through oxygen testing arrangement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521125436.XU CN205461840U (en) | 2015-12-30 | 2015-12-30 | Metal supports type tubular oxygen permeation membrane with passing through oxygen testing arrangement |
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| CN205461840U true CN205461840U (en) | 2016-08-17 |
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| CN201521125436.XU Active CN205461840U (en) | 2015-12-30 | 2015-12-30 | Metal supports type tubular oxygen permeation membrane with passing through oxygen testing arrangement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110579432A (en) * | 2019-09-24 | 2019-12-17 | 南京工业大学 | Dual-purpose sealing assembly and operation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110579432A (en) * | 2019-09-24 | 2019-12-17 | 南京工业大学 | Dual-purpose sealing assembly and operation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171207 Address after: 510651 Changxin Road, Guangzhou, Guangdong, No. 363, No. Patentee after: NEW MATERIALS RESEARCH INSTITUTE OF GUANGDONG PROVINCE Address before: 510651 Changxin Road, Guangzhou, Guangdong, No. 363, No. Patentee before: Guangzhou Research Institute of Non-ferrous Metals |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510651 Changxin Road, Guangzhou, Guangdong, No. 363, No. Patentee after: Institute of new materials, Guangdong Academy of Sciences Address before: 510651 Changxin Road, Guangzhou, Guangdong, No. 363, No. Patentee before: GUANGDONG INSTITUTE OF NEW MATERIALS |