CN104330330A - Equipment for testing gas adsorbing or desorbing rate - Google Patents
Equipment for testing gas adsorbing or desorbing rate Download PDFInfo
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- CN104330330A CN104330330A CN201410710335.2A CN201410710335A CN104330330A CN 104330330 A CN104330330 A CN 104330330A CN 201410710335 A CN201410710335 A CN 201410710335A CN 104330330 A CN104330330 A CN 104330330A
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Abstract
The invention provides equipment for testing the gas adsorbing or desorbing rate. The equipment comprises a gas storage tank, a heating furnace, a connecting pipe and a base, wherein the heating furnace is fixedly arranged on a second bracket, the heating furnace is hollow and is internally provided with a reaction tank, one end of the reaction tank is sealed by virtue of a sealing piece while the other end of the reaction tank is connected with the connecting pipe, and a reactor is arranged at one end of the sealing piece, close to the reaction tank and the reactor is arranged in the reaction tank; the base is fixedly arranged on a first bracket, the gas storage tank is installed on the base, the base is internally provided with a gas pipeline, a gas inlet-out valve is arranged at one end of the gas pipeline while the other end of the gas pipeline is connected with the connecting pipe, and the connecting pipe is provided with a safety valve, a plurality of control valves are arranged on the side edge of the gas pipeline, a pressure gauge is fixedly arranged on one side of the connecting pipe, and a thermocouple is fixedly arranged on the other side of the connecting pipe. The equipment for testing provided by the invention is simple in structure and can be used for quickly testing the adsorbing or desorbing rate of gas in a liquid or a solid.
Description
Technical field
The present invention relates to a kind of for test gas absorption or the equipment of desorption rate.
Background technology
In the manufacture process of hydrogen storing alloy powder, hydrogen can carry out adsorbing or desorption in pressed powder, and the rate of adsorption of gas in pressed powder or desorption rate, can be used for evaluating grade or the quality of hydrogen storing alloy powder.The current gas rate of adsorption in solids or the method for testing of desorption rate, general employing trace solid carries out under the gas source condition of abundance, what need solid abrasive is very evenly trickle, test condition requires harsher, and experimental apparatus requires also more accurate, the method operation is more complicated, requires higher.
Summary of the invention
The present invention aim to provide a kind of structure simple, easy to operate for test gas absorption or the equipment of desorption rate.The present invention is realized by following scheme:
A kind of for test gas absorption or the equipment of desorption rate, comprise several gas storage tanks, heating furnace, connecting pipe, base and the first support, the second support, described heating furnace is fixing on the secondary support bracket, described heating furnace is hollow and inside is provided with reactive tank, one end of reactive tank is sealed by seal, the other end of reactive tank is connected with connecting pipe, and seal is placed with reactor on one end of reactive tank and reactor is placed in reactive tank; Described base is fixed on the first support, several gas storage tanks are arranged on base, described chassis interior is provided with gas pipeline, one end of gas pipeline is provided with air valve, the other end of gas pipeline is connected with connecting pipe and is provided with safety valve on connecting pipe, the side of gas pipeline is provided with several operation valves, and a gas storage tanks is at least connected with an operation valve; Be fixed with pressure gauge in the side of connecting pipe, be fixed with thermopair at the opposite side of connecting pipe.
Further, for better put and for reduce heating furnace produce the loss speed of temperature in transmittance process, described pressure gauge, connecting pipe, thermopair are parallel to each other and three is enclosed within same instlated tubular.
For making the material in reactor contact accelerated reaction with gas more fully, described seal is provided with rotation axis away from one end of reactive tank, and described rotation axis is placed on the 3rd support.Reactor can be driven to rotate by rotation axis, the particle of inside reactor is also and then rolled.
Reduce data error for easy calculating, the volume of several gas storage tanks is greater than 10 with the volume sum of connecting pipe and the ratio of the volume of reactor.
Equipment of the present invention, solid material or liquid material are positioned in reactor, and by seal, the reactor that material is housed is sent in reactive tank, opening air valve and operation valve enters reactive tank in through gas pipeline by connecting pipe by gas flow, heating heating furnace, makes the temperature in reactive tank reach designing requirement, held for some time, can reactor be driven to rotate by the rotation axis in rotary seal as required, accelerate the reaction of gas and material.By the real time reaction temperature in thermopair on-line measurement reactive tank, real-time pressure in pressure gauge on-line measurement reactive tank, obtain corresponding data, analytical parameters, fit mathematics model, the key parameter of abstraction reaction thermokinetics, then key parameter is substituted into corresponding formula and can draw the absorption of gas on solid material or liquid material or desorption rate.
Of the present invention a kind of for test gas absorption or the equipment of desorption rate, structure is simple, easy to operate, can go out the absorption of gas in liquid or solid or desorption rate by Quick Measuring.Use present device, solid particle does not need to grind to form trickle powder, reaction does not need 100% to carry out yet, data only gather the change of instantaneous air pressure, reaction kinetics and the thermodynamic data of reflection intrinsic can be drawn by fit mathematics model, be conducive to the difference evaluating different gas-solid reaction system.
Accompanying drawing explanation
The one-piece construction schematic diagram of equipment for test gas absorption or desorption rate of Fig. 1 embodiment 1
The A-A cut-open view of equipment for test gas absorption or desorption rate of Fig. 2 embodiment 1
Embodiment
Below in conjunction with embodiment, the invention will be further described, but the present invention is not limited to the statement of embodiment.
embodiment 1
A kind of for test gas absorption or the equipment of desorption rate, as Fig. 1, shown in Fig. 2, comprise three gas storage tanks 1, heating furnace 2, connecting pipe 3, base 4 and the first support 5, second support 6, heating furnace 2 is fixed on the second support 6, heating furnace 2 is hollow and is provided with reactive tank 7 in inside, one end of reactive tank 7 is sealed by seal 8, the other end of reactive tank 7 is connected with connecting pipe 3, seal 8 is placed with reactor 10 on one end of reactive tank 7 and reactor 10 is placed in reactive tank 7, seal 8 is provided with rotation axis 16 away from one end of reactive tank 7, the convenient reactor that drives rolls in reactive tank, rotation axis 16 is placed on the 3rd support 17, base 4 is fixed on the first support 5, three gas storage tanks 1 are arranged on base 4, base 4 inside is provided with gas pipeline 9, one end of gas pipeline 9 is provided with air valve 11, the other end of gas pipeline 9 is connected with connecting pipe 3 and is provided with safety valve 12 on connecting pipe 3, the side of gas pipeline 9 is provided with three operation valves 13, a gas storage tanks 1 is connected with an operation valve 13, pressure gauge 14 is fixed with in the upside of connecting pipe 3, thermopair 15 is fixed with in the downside of connecting pipe 3, pressure gauge 14, connecting pipe 3, thermopair 15 is parallel to each other, and pressure gauge 14, connecting pipe 3, thermopair 15 is enclosed within same instlated tubular 18.Consider calculate more easily and reduce data error, the volume of three gas storage tanks 1 is 1L, the volume of connecting pipe 3 is 30ml, and the volume of reactor 9 is 50ml, and the volume of three gas storage tanks 1 is 60.6 with the volume sum of connecting pipe 3 and the ratio of the volume of reactor 9.
During actual use, hydrogen storing alloy powder is positioned in reactor, the one end reactor being placed with material being positioned over seal is sent in the reactive tank in heating furnace, opens air valve, is discharged by the air in reactor, connecting pipe and gas storage tank, then hydrogen gas is passed into, open operation valve, operation valve can all be opened simultaneously, also can open several according to demand, reach after requirement until Hydrogen Vapor Pressure, close air valve.The parameter of heating furnace is then set, as 10 DEG C/min heating rate, be incubated a few hours at a set temperature, then room temperature is dropped to 5 DEG C/min rate of temperature fall, in the process of reaction, also can reactor be driven to rotate by the rotation axis in rotary seal as required, accelerate the reaction of hydrogen and hydrogen storing alloy powder.By the real time reaction temperature in thermopair on-line measurement reactive tank, real-time pressure in pressure gauge on-line measurement reactive tank, obtain corresponding data, analytical parameters, fit mathematics model, the key parameter of abstraction reaction thermokinetics, then key parameter is substituted into corresponding formula and can draw the absorption of gas on hydrogen storing alloy powder surface or desorption rate.
Pass through present device, the basic parameter solved required for mathematical model can be measured, pass through simplify processes, these parameters can be used for solving the analytic solution of hydrogen absorption on a solid surface/desorption thermokinetics, and the angle analysis parameters analytically separated (comprising temperature, pressure, particle diameter and catalyzer etc.) is on dynamic (dynamical) impact.In addition, solution to model analyse solution also can be used to matching steady temperature situation under instantaneous pressure-time curve, the result of matching can be used for estimating apparent activation energy, Gibbs free energy, the equilibrium constant and dynamic (dynamical) pre-exponential factor etc.Present device, also can test the absorption of other gases in solid or liquid or desorption rate.
Claims (4)
1. one kind for test gas absorption or the equipment of desorption rate, it is characterized in that: comprise several gas storage tanks, heating furnace, connecting pipe, base and the first support, the second support, described heating furnace is fixing on the secondary support bracket, described heating furnace is hollow and inside is provided with reactive tank, one end of reactive tank is sealed by seal, the other end of reactive tank is connected with connecting pipe, and seal is placed with reactor on one end of reactive tank and reactor is placed in reactive tank; Described base is fixed on the first support, several gas storage tanks are arranged on base, described chassis interior is provided with gas pipeline, one end of gas pipeline is provided with air valve, the other end of gas pipeline is connected with connecting pipe and is provided with safety valve on connecting pipe, the side of gas pipeline is provided with several operation valves, and a gas storage tanks is at least connected with an operation valve; Be fixed with pressure gauge in the side of connecting pipe, be fixed with thermopair at the opposite side of connecting pipe.
2. a kind of for test gas absorption or the equipment of desorption rate as claimed in claim 1, it is characterized in that: described pressure gauge, connecting pipe, thermopair are parallel to each other and three is enclosed within same instlated tubular.
3. a kind of for test gas absorption or the equipment of desorption rate as claimed in claim 1 or 2, it is characterized in that: described seal is provided with rotation axis away from one end of reactive tank, described rotation axis is placed on the 3rd support.
4. a kind of for test gas absorption or the equipment of desorption rate as claimed in claim 1 or 2, it is characterized in that: the volume of several gas storage tanks is greater than 10 with the volume sum of connecting pipe and the ratio of the volume of reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410710335.2A CN104330330B (en) | 2014-11-27 | 2014-11-27 | A kind of equipment for testing gas absorption or desorption rate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410710335.2A CN104330330B (en) | 2014-11-27 | 2014-11-27 | A kind of equipment for testing gas absorption or desorption rate |
Publications (2)
| Publication Number | Publication Date |
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| CN104330330A true CN104330330A (en) | 2015-02-04 |
| CN104330330B CN104330330B (en) | 2017-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410710335.2A Active CN104330330B (en) | 2014-11-27 | 2014-11-27 | A kind of equipment for testing gas absorption or desorption rate |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60188697A (en) * | 1984-03-05 | 1985-09-26 | Mitsubishi Heavy Ind Ltd | Heat radiating vessel for alloy absorbing and storing hydrogen |
| CN1601281A (en) * | 2004-10-15 | 2005-03-30 | 中国科学院金属研究所 | Hydrogen storage alloy performance integrated experimental appts |
| CN101419149A (en) * | 2007-10-26 | 2009-04-29 | 中国科学院金属研究所 | Hydrogen storage alloy performance test device |
| CN103852396A (en) * | 2014-03-04 | 2014-06-11 | 北京科技大学 | Testing device and testing method for measuring gas and solid chemical reaction rate by volumetric method |
| CN203688394U (en) * | 2014-01-26 | 2014-07-02 | 中国石油大学(北京) | Adsorbed gas analyzer |
-
2014
- 2014-11-27 CN CN201410710335.2A patent/CN104330330B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60188697A (en) * | 1984-03-05 | 1985-09-26 | Mitsubishi Heavy Ind Ltd | Heat radiating vessel for alloy absorbing and storing hydrogen |
| CN1601281A (en) * | 2004-10-15 | 2005-03-30 | 中国科学院金属研究所 | Hydrogen storage alloy performance integrated experimental appts |
| CN101419149A (en) * | 2007-10-26 | 2009-04-29 | 中国科学院金属研究所 | Hydrogen storage alloy performance test device |
| CN203688394U (en) * | 2014-01-26 | 2014-07-02 | 中国石油大学(北京) | Adsorbed gas analyzer |
| CN103852396A (en) * | 2014-03-04 | 2014-06-11 | 北京科技大学 | Testing device and testing method for measuring gas and solid chemical reaction rate by volumetric method |
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| Publication number | Publication date |
|---|---|
| CN104330330B (en) | 2017-06-27 |
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