CN104330330B - A kind of equipment for testing gas absorption or desorption rate - Google Patents
A kind of equipment for testing gas absorption or desorption rate Download PDFInfo
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- CN104330330B CN104330330B CN201410710335.2A CN201410710335A CN104330330B CN 104330330 B CN104330330 B CN 104330330B CN 201410710335 A CN201410710335 A CN 201410710335A CN 104330330 B CN104330330 B CN 104330330B
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Abstract
The present invention provides a kind of equipment for testing gas absorption or desorption rate, including gas storage tanks, heating furnace, connecting tube and base, heating furnace is fixed on the secondary support bracket, heating furnace is hollow and is internally provided with reactive tank, one end of reactive tank is sealed by seal, the other end of reactive tank is connected with connecting tube, and seal is placed with reactor on one end of reactive tank and reactor is placed in reactive tank；Base is fixed in first support, gas storage tanks are arranged on base, chassis interior is provided with gas pipeline, one end of gas pipeline is provided with air valve, the other end is connected with connecting tube and safety valve is provided with connecting tube, the side of gas pipeline is provided with several control valves, and pressure gauge is fixed with the side of connecting tube, and thermocouple is fixed with the opposite side of connecting tube.Test equipment of the invention, simple structure can quickly measure absorption or desorption rate of the gas in liquid or solid.
Description
Technical field
The present invention relates to a kind of equipment for testing gas absorption or desorption rate.
Background technology
In the manufacturing process of hydrogen storing alloy powder, hydrogen can be adsorbed or be desorbed in solid powder, and gas is solid
The rate of adsorption or desorption rate in body powder, can be used to evaluate the grade or quality of hydrogen storing alloy powder.Current gas is solid
The method of testing of the rate of adsorption or desorption rate in body, it is general to be carried out under sufficient gas source condition using trace solid, need
By the highly uniform trickle of solid abrasive, test condition requirement is harsher, and laboratory apparatus also more accurate, the method for requirement
Operation is more complicated, it is desirable to higher.
The content of the invention
The present invention is intended to provide a kind of simple structure, easy to operate for testing setting for gas absorption or desorption rate
It is standby.The present invention is realized by following scheme：
A kind of equipment for testing gas absorption or desorption rate, including several gas storage tanks, heating furnace, connection
Pipe, base and first support, second support, the heating furnace are fixed on the secondary support bracket, the heating furnace for it is hollow and including
Portion is provided with reactive tank, and one end of reactive tank is sealed by seal, and the other end of reactive tank is connected with connecting tube, and seal is leaned on
Reactor is placed with one end of proximal response groove and reactor is placed in reactive tank；The base is fixed in first support, if
Dry gas storage tanks are arranged on base, and the chassis interior is provided with gas pipeline, one end of gas pipeline be provided with into
Air outlet valve, the other end of gas pipeline is connected with connecting tube and safety valve is provided with connecting tube, and the side of gas pipeline sets
Several control valves are equipped with, a gas storage tanks are at least connected with a control valve；Pressure is fixed with the side of connecting tube
Meter, thermocouple is fixed with the opposite side of connecting tube.
Further, it is preferably to put and to reduce loss speed of the temperature of heating furnace generation in transmittance process,
The pressure gauge, connecting tube, thermocouple are parallel to each other and three is enclosed within same instlated tubular.
For make the material in reactor more fully contacted with gas acceleration reaction, the seal away from reactive tank one
End is provided with rotary shaft, and the rotary shaft is placed on the 3rd support.Reactor can be driven to rotate by rotary shaft so that anti-
The particle inside device is answered also and then to roll.
For simplicity is calculated and reduces data error, the volume of several gas storage tanks and the volume sum of connecting tube with it is anti-
The ratio between volume of device is answered to be more than 10.
Equipment of the invention, solid material or liquid material is positioned in reactor, and will be equipped with thing by seal
In the reactor feeding reactive tank of material, open air valve and control valve and enter by gas gas coming through pipeline and by connecting tube
In reactive tank, heating furnace is heated, the temperature in reactive tank is reached design requirement, held for some time can be as desired by
Rotary shaft in rotary seal drives reactor to rotate, and accelerates the reaction of gas and material.By thermocouple on-line measurement
Real time reaction temperature in reactive tank, the real-time pressure in pressure gauge on-line measurement reactive tank obtains corresponding data, analysis ginseng
Number, fit mathematics model extracts the dynamic (dynamical) key parameter of reaction heat, then draws by key parameter is substituted into corresponding formula
Absorption or desorption rate of the gas on solid material or liquid material.
A kind of equipment for testing gas absorption or desorption rate of the invention, simple structure is easy to operate, can be quick
Measure absorption or desorption rate of the gas in liquid or solid.Using present device, solid particle need not grind to form carefully
Micro- powder, reaction is carried out also without 100%, and data only gather the change of instantaneous air pressure, can by fit mathematics model
The kinetics and thermodynamic data intrinsic to draw reflection, is conducive to evaluating the difference of different gas-solid reaction systems.
Brief description of the drawings
The overall structure diagram of the equipment for testing gas absorption or desorption rate of Fig. 1 embodiments 1
The A-A sectional views of the equipment for testing gas absorption or desorption rate of Fig. 2 embodiments 1
Specific embodiment
The invention will be further described with reference to embodiments, but the invention is not limited in the statement of embodiment.
Embodiment 1
A kind of equipment for testing gas absorption or desorption rate, as shown in Figure 1 and Figure 2, including three gas storage tanks
1st, heating furnace 2, connecting tube 3, base 4 and first support 5, second support 6, heating furnace 2 are fixed in second support 6, heating furnace 2
For hollow and be internally provided with reactive tank 7, one end of reactive tank 7 is sealed by seal 8, the other end of reactive tank 7 and company
Adapter 3 is connected, and seal 8 is placed with reactor 10 on one end of reactive tank 7 and reactor 10 is placed in reactive tank 7, close
Sealing 8 is provided with rotary shaft 16 away from one end of reactive tank 7, and convenient to drive reactor to be rolled in reactive tank, rotary shaft 16 is put
Put on the 3rd support 17；Base 4 is fixed in first support 5, and three gas storage tanks 1 are arranged on base 4, in base 4
Portion is provided with gas pipeline 9, and one end of gas pipeline 9 is provided with air valve 11, the other end and the connecting tube 3 of gas pipeline 9
Connect and safety valve 12 is installed in connecting tube 3, the side of gas pipeline 9 is provided with three control valves 13, and a gas is deposited
Storage tank 1 is connected with a control valve 13, and pressure gauge 14 is fixed with the upside of connecting tube 3, and heat is fixed with the downside of connecting tube 3
Galvanic couple 15, pressure gauge 14, connecting tube 3, thermocouple 15 are parallel to each other, and pressure gauge 14, connecting tube 3, thermocouple 15 be enclosed within it is same
In individual instlated tubular 18.Consideration is more easily calculated and reduces data error, and the volume of three gas storage tanks 1 is 1L, connection
The volume of pipe 3 is 30ml, and the volume of reactor 9 is the volume sum of 50ml, three volumes of gas storage tanks 1 and connecting tube 3
It is 60.6 with the ratio between the volume of reactor 9.
When actually used, hydrogen storing alloy powder is positioned in reactor, the reactor that will be placed with material is positioned over seal
One end feeding heating furnace in reactive tank in, open air valve, by the sky in reactor, connecting tube and gas storage tank
Gas is discharged, and then passes to hydrogen gas, while opening control valve, control valve can be with fully open, it is also possible to opens according to demand
It is several, after Hydrogen Vapor Pressure reaches requirement, close air valve.The parameter of heating furnace is then set, and such as 10 DEG C/min heats up fast
Rate, is incubated a few hours at a set temperature, then drops to room temperature with 5 DEG C/min rate of temperature fall, during reaction, can also root
According to needing to drive reactor to rotate by the rotary shaft in rotary seal, accelerate the reaction of hydrogen and hydrogen storing alloy powder.It is logical
The real time reaction temperature crossed in thermocouple on-line measurement reactive tank, the real-time pressure in pressure gauge on-line measurement reactive tank, obtains
Corresponding data, analytical parameters, fit mathematics model extracts the dynamic (dynamical) key parameter of reaction heat, then key parameter is substituted into phase
Absorption or desorption rate of the gas on hydrogen storing alloy powder surface are drawn by the formula answered.
By present device, the basic parameter required for solving Mathematical Modeling can be measured, be processed by simplifying, these
Parameter can be used to solve the analytic solutions of hydrogen absorption/desorption thermokinetics on a solid surface, the angle for analytically solving point
Analysis parameters (comprising temperature, pressure, particle diameter and catalyst etc.) are on dynamic (dynamical) influence.In addition, solution to model is analysed
Solution may further be used to be fitted the instantaneous pressure-time curve in the case of steady temperature, and the result of fitting can be used to estimate apparent
Activation energy, Gibbs free energy, the equilibrium constant and dynamic (dynamical) pre-exponential factor etc..Present device, can also test other gas
Absorption or desorption rate of the body in solid or liquid.
Claims (2)
1. a kind of equipment for testing gas absorption or desorption rate, it is characterised in that：Including several gas storage tanks, add
Hot stove, connecting tube, base and first support, second support, the heating furnace are fixed on the secondary support bracket, during the heating furnace is
Empty and be internally provided with reactive tank, one end of reactive tank is sealed by seal, and the other end of reactive tank is connected with connecting tube,
Seal is placed with reactor on one end of reactive tank and reactor is placed in reactive tank；The base is fixed on first
On frame, several gas storage tanks are arranged on base, and the chassis interior is provided with gas pipeline, and one end of gas pipeline sets
Air valve is equipped with, the other end of gas pipeline is connected with connecting tube and safety valve is provided with connecting tube, gas pipeline
Side is provided with several control valves, and a gas storage tanks are at least connected with a control valve；Fixed in the side of connecting tube
There is pressure gauge, thermocouple is fixed with the opposite side of connecting tube；The pressure gauge, connecting tube, thermocouple are parallel to each other and three
It is enclosed within same instlated tubular；The seal is provided with rotary shaft away from one end of reactive tank, and the rotary shaft is placed on
On three supports.
2. a kind of equipment for testing gas absorption or desorption rate as claimed in claim 1, it is characterised in that：Several
The ratio between volume of the volume of gas storage tanks and the volume sum of connecting tube and reactor is more than 10.
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 |
|---|---|
| CN104330330A CN104330330A (en) | 2015-02-04 |
| CN104330330B true 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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Family Cites Families (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 |
| CN100487459C (en) * | 2004-10-15 | 2009-05-13 | 中国科学院金属研究所 | Hydrogen storage alloy performance integrated experimental apparatus |
| CN101419149B (en) * | 2007-10-26 | 2011-08-31 | 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 |
-
2014
- 2014-11-27 CN CN201410710335.2A patent/CN104330330B/en active Active
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