CN205374432U - Detect device that stores up hydrogen alloy powder and inhale hydrogen process volume change - Google Patents
Detect device that stores up hydrogen alloy powder and inhale hydrogen process volume change Download PDFInfo
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Abstract
The utility model relates to a detect device that stores up hydrogen alloy powder and inhale hydrogen process volume change. The utility model belongs to the technical field of it detects to store up the hydrogen alloy. A detect device that stores up hydrogen alloy powder and inhale hydrogen process volume change which the characteristics are: detect device that stores up hydrogen alloy powder and inhale hydrogen process volume change is including storing up hydrogen bottle, reactor and heat exchanger, storing up the hydrogen bottle and passing through the pressure reducer, valve and ring flange ligation ware, heat exchanger are installed in the reactor bottom, during storage hydrogen alloy powder placed the reactor, the clamp plate was installed on alloy powder layer upper portion, the scale is marked to the reactor outside. The utility model has the characteristics of convenience simple to use, it is high to detect the precision, detects the good reproducibility, uses ann congruent, be suitable for the detection of inhaling hydrogen process volume change parameter to all kinds of storage hydrogen alloy powder very much.
Description
Technical field
The invention belongs to hydrogen bearing alloy detection technique field, particularly relate to a kind of hydrogen-bearing alloy powder that detects and inhale the device of hydrogen process change in volume.
Background technology
Hydrogen bearing alloy is a kind of energy conversion functional material.Utilizing its reversible hydriding dehydriding and adjoint heat effect, hydrogen bearing alloy may be used for many occasions, such as 1) utilize characteristic that its hydrogen-storage density is big as hydrogen storage material, it is possible to resolve the storage of hydrogen, transport and use；2) utilize its selectivity to inhale the feature of hydrogen, can be used for the recovery of hydrogen, refining and deuterium, the concentration of tritium, separation；3) utilize its temperature and pressure conversion characteristics, it is possible to achieve the conversion of heat energy and mechanical energy, make heat pump, heat pipe, hydrogen compressor, hydrogen gas generating power generators etc.；4) hydrogen storage material-hydrogen gas system is utilized to make gas engine, for hydrogen energy automobile, Hydrogen Energy aircraft, Hydrogen Energy boats and ships；5) can as the storage medium of heat energy, solar energy, geothermal energy, nuclear energy and wind energy；6) hydride heat absorption is utilized to put the feature of hydrogen, it is possible to be stored by various used heat.
Hydrogen bearing alloy can realize the function of reversible absorption and release hydrogen and be based on reaction following between metal and hydrogen:
Forward reaction is hydrogen storage, and backward reaction is for releasing hydrogen.Following hydrogen bearing alloy thermodynamic relation is followed in above-mentioned reaction:
Δ H in formula0、ΔS0, R, T and PH2Represent the Standard Enthalpies variable quantity of hydrogenation, standard entropy variable quantity, gas constant, temperature and balance pressure respectively.Heat effect Δ H in formula (2)0It is worth for design hydrogen storage device critically important, generally first adopts pressure (P)-concentration (C)-temperature (T) detecting instrument to obtain the balance pressure and temperature data of given alloy, further according to (2) formula, obtain LnPH2With the graph of a relation of 1/T (Van ' tHoff line), thus trying to achieve Δ H0Value.
Hydrogen bearing alloy is inhaled and is put hydrogen process (Δ H except producing heat effect0), it is accompanied by the changes delta V of volume.Hydrogen bearing alloy for hydrogen storage time, alloy powder would generally by canned in an airtight container, when alloy powder starts to inhale hydrogen; due to response speed quickly; volume sharply expands, and can produce huge stress in a limited space, thus bringing safety issue to hydrogen storage device.Therefore the changes delta V of volume in adopted absorption hydrogen process is measured, for the parameter of the design safety reliable metal hydride hydrogen-storing device the normally off key of right and wrong.Instrument does not detect the change in volume of hydrogen-bearing alloy powder suction hydrogen process at present.
Summary of the invention
The present invention solves that the technical problem existed in known technology provides a kind of hydrogen-bearing alloy powder that detects to inhale the device of hydrogen process change in volume.
It is an object of the invention to provide one and have easy to use, accuracy of detection is high, detects reproducible, uses the detection hydrogen-bearing alloy powder of the features such as safety to inhale the device of hydrogen process change in volume.The present invention is suitable for all kinds of hydrogen-bearing alloy powders are inhaled the detection of hydrogen process volume running parameter.
The present invention detects the device of hydrogen-bearing alloy powder suction hydrogen process change in volume and is adopted the technical scheme that:
A kind of hydrogen-bearing alloy powder that detects inhales the device of hydrogen process change in volume, it is characterized in that: detection hydrogen-bearing alloy powder is inhaled the device of hydrogen process change in volume and included hydrogen storage bottle, reactor and heat exchanger；Hydrogen storage bottle passes through decompressor, valve and ring flange coupled reaction device, and heat exchanger is installed on reactor bottom；In hydrogen-bearing alloy powder placing response device, alloyed powder last layer top is provided with pressing plate；Reactor is outside indicates volume markings.
The present invention detects the device of hydrogen-bearing alloy powder suction hydrogen process change in volume and may also take on following technical scheme:
Described detection hydrogen-bearing alloy powder inhales the device of hydrogen process change in volume, it is characterized in that: heat exchanger is installed on reactor bottom.
Described detection hydrogen-bearing alloy powder inhales the device of hydrogen process change in volume, it is characterized in that: hydrogen storing alloy powder last layer top is provided with pressing plate.
Described detection hydrogen-bearing alloy powder inhales the device of hydrogen process change in volume, it is characterized in that: reactor is outside indicates volume markings.
Described detection hydrogen-bearing alloy powder inhales the device of hydrogen process change in volume, it is characterized in that: reactor is quartz glass reactor.
Described detection hydrogen-bearing alloy powder inhales the device of hydrogen process change in volume, it is characterized in that: be provided with metallic copper or the sintered filter disc of powder of stainless steel on pressing plate.
The present invention tool advantage and have the benefit effect that
Detect the technical scheme that the device of hydrogen-bearing alloy powder suction hydrogen process change in volume is brand-new owing to taking the present invention, compared with prior art, the present invention has easy to use, accuracy of detection is high, detect reproducible, use the features such as safety, be suitable for all kinds of hydrogen-bearing alloy powders are inhaled the detection of hydrogen process volume running parameter.
Accompanying drawing explanation
Fig. 1 is the apparatus structure schematic diagram that the present invention detects hydrogen-bearing alloy powder suction hydrogen process change in volume.
In figure, 1-hydrogen storage bottle；2-decompressor；3-valve；4-Pressure gauge；5-ring flange；6-reactor；7-temperature chamber；8-pressing plate；9-hydrogen storing alloy powder last layer；10-heat exchanger；11-thermocouple；12-volume scale；The sintered filter disc of 13-；14-circulating pump.
Detailed description of the invention
For present disclosure, feature and effect can be further appreciated that, hereby enumerate following example, and coordinate accompanying drawing to describe in detail
As follows:
With reference to accompanying drawing 1.
Embodiment 1
A kind of hydrogen-bearing alloy powder that detects inhales the device of hydrogen process change in volume, including hydrogen storage bottle 1, decompressor 2, valve 3, Pressure gauge 4, ring flange 5, reactor 6, heat exchanger 10, pressing plate 8.Reactor 6 is quartz glass reactor.Hydrogen storage bottle 1 is by decompressor 2, valve 3, Pressure gauge 4 and upper flange plate 5 coupled reaction device, and upper flange plate 5 installs the pipeline that loses heart；Temperature chamber 7, circulating pump 14 and heat exchanger 10 form a closed loop system, and by lower flange 5 coupled reaction device；In hydrogen storing alloy powder last layer 9 placing response device 6, alloyed powder last layer 9 top is provided with pressing plate 8, and pressing plate is provided with copper or the sintered filter disc 13 of powder of stainless steel；Heat exchanger 10 is installed temperature thermocouple 11；Reactor 6 is outside indicates volume markings 12.
Embodiment 2
A kind of hydrogen-bearing alloy powder that detects inhales the device of hydrogen process change in volume, including including hydrogen storage bottle, decompressor, valve, Pressure gauge, ring flange, reactor, heat exchanger system, pressing plate.Stainless steel platen is installed the sintered filter disc of copper of 6 filtering accuracies 10 microns.The TiFe that will fully activate in the glove box have noble gas0.85Mn0.15Alloy powder is positioned in quartz glass reactor, is positioned over by stainless steel platen in alloyed powder last layer, and quartz glass reactor is connected with gas cylinder by ring flange.Arranging temperature chamber temperature is 20 DEG C, read the initial volume scale of pressing plate, opening gas cylinder, adjust and be flushed with hydrogen pressure to 3.0MPa, alloy starts to inhale hydrogen-expansion, promote and pressing plate moves, releasing heat, heat exchanger temperature raises simultaneously, waits when heat exchanger temperature falls after rise to 20 DEG C, read the volume markings of pressing plate, it is thus achieved that TiFe0.85Mn0.15Alloy powder is at 20 DEG C, and 3.0MPa hydrogen uptake condition volumetric expansion rate is 19.2%.
Embodiment 3
A kind of hydrogen-bearing alloy powder that detects inhales the device of hydrogen process change in volume, including including hydrogen storage bottle, decompressor, valve, Pressure gauge, ring flange, reactor, heat exchanger system, pressing plate.Stainless steel platen is installed the sintered filter disc of rustless steel of 4 filtering accuracies 5 microns.The LaNi that will fully activate in the glove box have noble gas5Alloy powder is positioned in quartz glass reactor, is positioned over by stainless steel platen in alloyed powder last layer, and quartz glass reactor is connected with gas cylinder by ring flange.Arranging temperature chamber temperature is 40 DEG C, read the initial volume scale of pressing plate, opening gas cylinder, adjust and be flushed with hydrogen pressure to 2.0MPa, alloy starts to inhale hydrogen-expansion, promote and pressing plate moves, releasing heat, heat exchanger temperature raises simultaneously, waits when heat exchanger temperature falls after rise to 40 DEG C, read the volume markings of pressing plate, it is thus achieved that LaNi5Alloy powder at 40 DEG C, 2.0MPa hydrogen uptake condition volumetric expansion rate 25.8%.
The present embodiment has described easy to use, and accuracy of detection is high, detects reproducible, uses the detection hydrogen-bearing alloy powder of the features such as safety to inhale the device of hydrogen process change in volume.The present invention is suitable for all kinds of hydrogen-bearing alloy powders are inhaled the detection of hydrogen process volume running parameter.
Claims (6)
1. detect hydrogen-bearing alloy powder and inhale a device for hydrogen process change in volume, it is characterized in that: detection hydrogen-bearing alloy powder is inhaled the device of hydrogen process change in volume and included hydrogen storage bottle, reactor and heat exchanger；Hydrogen storage bottle pass through decompressor, valve and and ring flange coupled reaction device, heat exchanger is installed on reactor bottom；In hydrogen-bearing alloy powder placing response device, alloyed powder last layer top is provided with pressing plate；Reactor is outside indicates volume markings.
2. detection hydrogen-bearing alloy powder according to claim 1 inhales the device of hydrogen process change in volume, it is characterized in that: heat exchanger is installed on reactor bottom.
3. detection hydrogen-bearing alloy powder according to claim 1 inhales the device of hydrogen process change in volume, it is characterized in that: hydrogen storing alloy powder last layer top is provided with pressing plate.
4. detection hydrogen-bearing alloy powder according to claim 1 inhales the device of hydrogen process change in volume, it is characterized in that: reactor is outside indicates volume markings.
5. the detection hydrogen-bearing alloy powder according to claim 1,2 or 4 inhales the device of hydrogen process change in volume, it is characterized in that: reactor is quartz glass reactor.
6. the detection hydrogen-bearing alloy powder according to claim 1 or 3 inhales the device of hydrogen process change in volume, it is characterized in that: be provided with metallic copper or the sintered filter disc of powder of stainless steel on pressing plate.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105527400A (en) * | 2015-12-31 | 2016-04-27 | 中国计量学院 | Device for detecting hydrogen absorption process volume changes of hydrogen storage alloy powder |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105527400A (en) * | 2015-12-31 | 2016-04-27 | 中国计量学院 | Device for detecting hydrogen absorption process volume changes of hydrogen storage alloy powder |
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