CN207675584U - A kind of isothermal adsorption device of changeable gas humidity - Google Patents
A kind of isothermal adsorption device of changeable gas humidity Download PDFInfo
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- CN207675584U CN207675584U CN201721866383.6U CN201721866383U CN207675584U CN 207675584 U CN207675584 U CN 207675584U CN 201721866383 U CN201721866383 U CN 201721866383U CN 207675584 U CN207675584 U CN 207675584U
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Abstract
The utility model provides a kind of changeable gas humidity isothermal adsorption device.The utility model connects two air accumulators with steam generator by humidity conditioner gas is made uniformly to mix, and vacuum pump is set in connecting tube, reduce experimental error, the variation of humidity can be monitored in real time in humidity conditioner connection hygronom, and humidity variation can be controlled by switch valve, sample is loaded by axis press pump and the confining pressure pump connected in adsorption chamber end port, and constant temperature water bath system is set outside adsorption chamber, the experiment to raw coal Adsorption Effect can be changed into trip temperature, stress and gas humidity.The utility model can make raw coal carry out the adsorption isotherm experiment under gas with various damp condition, and it can not coaxially be pressed and adsorption isotherm experiment under the conditions of confining pressure various factors coupling, can in real simulation process of coal mining gas adsorption isotherm experiment, the experimental provision is simple to operation, using effect is good, easy to spread.
Description
Technical field
The utility model is related to experimental apparatus technical field, the isothermal adsorption of specially a kind of changeable gas humidity fills
It sets.
Background technology
China is as coal production big country, during coal mining activity, it is easy to natural environmental condition is destructively descended, than
Such as it is mixed into the original damp condition of the larger gas and changing of humidity.Contain abundant coal bed gas resource, main component in coal seam
It is gas.Coal petrography characterization of adsorption is one of important parameter of coal-bed gas exploitation, and coal petrography characterization of adsorption is closed with the variation of various conditions
System is always that numerous researchers pay close attention to, and wherein crustal stress is the sensitive prime factor of its variation, but with seam mining depth
Increasing, the air humidity brought into therewith also increases, thus, influence of the gas humidity to coal petrography characterization of adsorption can not be ignored, coal petrography
The relationship of characterization of adsorption and temperature has many researchers and did research, but it is real to carry out the isothermal adsorption under gas with various humidity
Test also fewer, the influence of the humidity of learning gas to coal gas adsorption amount is of great significance.So far, there are no available
In the isothermal adsorption device for changing gas humidity, it is therefore necessary to carry out certain improvement to existing adsorbent equipment to simulate coal
Mine exploits the variation of gas on-site humidity.
Therefore it establishes the experimental provision and changes to coal seam characterization of adsorption to simulate the humidity of gas during coal-bed gas exploitation
The experiment of influence, while using being tested at research different loads and temperature and various factors coupling effect, can preferably grind
Study carefully raw coal Adsorption law, Technical Reference is provided for coal bed gas extraction etc..
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of isothermal adsorption device of changeable gas humidity,
It provides hardware foundation for the adsorption isotherm experiment that gas humidity in process of coal mining changes.
In order to achieve the above object, the utility model is achieved by the following technical programs：Changeable gas humidity etc.
Warm adsorbent equipment, including gas supply system, vacuum degassing system, humidity control system, gas adsorption system and pressure-loaded
System；The gas supply system is made of the first air accumulator, the second air accumulator, steam generator and booster pump,
First air accumulator, the second air accumulator are equipped with corresponding valve and pressure gauge on steam generator, and they are accessed
Same root total pipeline；The vacuum degassing system is made of vacuum pump and the 4th switch valve, and vacuum pump and the 4th switch valve are equal
Access the total pipeline of gas supply system；The humidity control system is humidity control case, is equipped in humidity control case wet
Sensor is spent, humidity sensor is connect with display；In the total pipeline access humidity control case of gas supply system；The gas
The composition of body adsorption system includes reference chamber, adsorption chamber and water bath thermostat, is respectively enterd from the escape pipe of humidity control case
Reference chamber and adsorption chamber, reference chamber and adsorption chamber are in water bath thermostat；The pressure-loaded system by axis press pump and
Confining pressure pump group is at axis press pump and confining pressure pump the axis crimping mouth and confining pressure interface for being separately connected adsorption chamber.
The composition of steam generator includes water storage box, the heating wire of tape controller is equipped in water storage box, in water storage
The gas outlet of case is equipped with third switch valve, the total pipeline of the gas outlet connection gas supply system of water storage box, on water storage box top
Portion is equipped with sealing cover.
Advantageous effect
The utility model provides a kind of isothermal adsorption device of changeable gas humidity.Has following advantageous effect：
The utility model connects two air accumulators with steam generator by humidity conditioner to make gas
Mixing, and vacuum pump is set in connecting tube, experimental error is reduced, can be monitored in real time in humidity conditioner connection hygronom
The variation of humidity, and humidity variation can be controlled by switch valve, by the axis press pump connected in adsorption chamber end port and enclose
Press pump loads sample, and constant temperature water bath system is arranged outside adsorption chamber, can be into the variation pair of trip temperature, stress and gas humidity
The experiment that coal petrography characterization of adsorption influences.It is real that the present invention can make raw coal carry out the isothermal adsorption under gas with various damp condition
Test, and can not coaxially be pressed with adsorption isotherm experiment under the conditions of confining pressure various factors coupling, can real simulation coal mine open
The adsorption isotherm experiment of gas during adopting, the experimental provision is simple to operation, and using effect is good, easy to spread.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model entirety；
Fig. 2 is the structural schematic diagram of the steam generator of the utility model；
In figure：The first air accumulators of 1-, 2- first switches valve, 3- first pressure gauges, the second air accumulators of 4-, 5- second switches
Valve, 6- second pressure gauges, 7- thirds pressure gauge, 8- steam generators, 9- booster pumps, 10- vacuum pumps, 11- the 4th are switched
Valve, 12- humidity control cases, 13- humidity sensors, 14- displays, the 5th switch valves of 15-, the 4th pressure gauges of 16-, 17- references
Room, the 6th switch valves of 18-, 19- adsorption chambers, 20- water bath thermostats, 21- axis press pump, 22- confining pressures pump, 23- water storage boxes, 24-
Third switch valve, 25 sealing covers, 26- heating wire, 27- controllers.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：The isothermal adsorption device of changeable gas humidity,
Including gas supply system, vacuum degassing system, humidity control system, gas adsorption system and pressure-loaded system；Described
Gas supply system is made of the first air accumulator 1, the second air accumulator 4, steam generator 8 and booster pump 9, in the first gas storage
Tank 1, the second air accumulator 4 are equipped with corresponding valve and pressure gauge on steam generator 8, and they access it is same
Root total pipeline；The vacuum degassing system is made of vacuum pump 10 and the 4th switch valve 11, vacuum pump 10 and the 4th switch valve
11 access the total pipeline of gas supply system；The humidity control system is humidity control case 12, in humidity control case 12
Interior to be equipped with humidity sensor 13, humidity sensor 13 is connect with display 14；The total pipeline of gas supply system accesses humidity control
In case 12 processed；The composition of the gas adsorption system includes reference chamber 17, adsorption chamber 19 and water bath thermostat 20, from humidity
The escape pipe of control cabinet 12 respectively enters reference chamber 17 and adsorption chamber 19, and reference chamber 17 and adsorption chamber 19 are in water bath thermostat
In 20；The pressure-loaded system is made of axis press pump 21 and confining pressure pump 22, and axis press pump 21 and confining pressure pump 22 are separately connected suction
The axis crimping mouth and confining pressure interface of alcove 19.
The composition of steam generator 8 includes water storage box 23, and the heating wire of tape controller 27 is equipped in water storage box 23
26, third switch valve 24 is equipped on the gas outlet of water storage box 23, the gas outlet of water storage box 23 is connected to the total of gas supply system
Pipeline is equipped with sealing cover 25 at 23 top of water storage box.
In use, raw coal sample is put into adsorption chamber 19 first, vacuum pump 10 is opened, rest switch valve is closed, to reality
Experiment device carries out de- vacuum processing, then adsorption chamber 19 and reference chamber 17 are put into the water bath thermostat 20 for setting temperature
In, and constant shaft pressure and confining pressure are applied to adsorption chamber 19 simultaneously.The first air accumulator 1 equipped with helium is first opened later, closes the
Six switch valves 18 open the 4th switch valve 11, the 5th switch valve 15 are also opened, and gas is passed through reference chamber 17, measures pressure
The 5th switch valve 15 is closed afterwards and opens the 6th switch valve 18, gas is made to be passed through in adsorption chamber 17, measures pressure and with formula meter
Free space volumes are calculated, after waiting for records of values, vacuum pump 10 is opened and helium is handled to clean, 5 He of opening second switch valve
Third switch valve 24 is passed through methane, and heats the water of water storage box 23 simultaneously, provides a certain amount of vapor, makes vapor and first
Alkane mixes, and measuring opening the 5th switch valve 15 of opening after humidity reaches experiment setting value by hygronom later makes methane and water steam
Gas gas enters reference chamber 17, measures pressure, and the 5th switch valve 15 is closed after stable reading and opens the 6th switch valve 18 makes
Gas enters adsorption chamber 19, and methane and water vapor gas start to be adsorbed on raw coal pore surface, finally establish a Dynamic Adsorption
Equilibrium state measures the pressure of gas under the state, is calculated according to adsorption-desorption formula and to be adsorbed at a given pressure
Gas volume.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.By sentence " including one ... the element limited, it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element ".
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (2)
1. a kind of isothermal adsorption device of changeable gas humidity, including gas supply system, vacuum degassing system, humid control
System, gas adsorption system and pressure-loaded system；It is characterized in that：The gas supply system by the first air accumulator (1),
Second air accumulator (4), steam generator (8) and booster pump (9) composition, the first air accumulator (1), the second air accumulator (4),
Corresponding valve and pressure gauge are equipped on steam generator (8), and they access same root total pipeline；Described
Vacuum degassing system is made of vacuum pump (10) and the 4th switch valve (11), and vacuum pump (10) and the 4th switch valve (11) access
The total pipeline of gas supply system；The humidity control system is humidity control case (12), is set in humidity control case (12)
There are humidity sensor (13), humidity sensor (13) to be connect with display (14)；The total pipeline of gas supply system accesses humidity
In control cabinet (12)；The composition of the gas adsorption system includes reference chamber (17), adsorption chamber (19) and water bath thermostat
(20), reference chamber (17) and adsorption chamber (19), reference chamber (17) and absorption are respectively enterd from the escape pipe of humidity control case (12)
Room (19) is in water bath thermostat (20)；The pressure-loaded system is made of axis press pump (21) and confining pressure pump (22),
Axis press pump (21) and confining pressure pump (22) are separately connected the axis crimping mouth and confining pressure interface of adsorption chamber (19).
2. the isothermal adsorption device of changeable gas humidity according to claim 1, it is characterised in that：Vapor generates dress
The composition for setting (8) includes water storage box (23), the heating wire (26) of tape controller (27) is equipped in water storage box (23), in water storage box
(23) gas outlet is equipped with third switch valve (24), and the gas outlet of water storage box (23) is connected to the total pipeline of gas supply system,
Sealing cover (25) is equipped at the top of water storage box (23).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721866383.6U CN207675584U (en) | 2017-12-28 | 2017-12-28 | A kind of isothermal adsorption device of changeable gas humidity |
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| CN201721866383.6U CN207675584U (en) | 2017-12-28 | 2017-12-28 | A kind of isothermal adsorption device of changeable gas humidity |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884307A (en) * | 2017-12-28 | 2018-04-06 | 贵州大学 | A kind of isothermal adsorption device for changing gas humidity |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884307A (en) * | 2017-12-28 | 2018-04-06 | 贵州大学 | A kind of isothermal adsorption device for changing gas humidity |
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