CN104677770B - Adsorbing material performance testing device and using method thereof - Google Patents
Adsorbing material performance testing device and using method thereof Download PDFInfo
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Abstract
The invention relates to an adsorbing material performance testing device and a using method of the adsorbing material performance testing device. The adsorbing material performance testing device comprises a main body testing system, a thermodynamic desorption system, an automatic control system, an air compressor, an air filtering dehumidifier, a testing gas generation source, an air drying part, a gas mixer, an electromagnetic flowmeter, a temperature and humidity sensor, a pressure sensor, a temperature and humidity controller, a solenoid valve, an upstream gas sampling hole, an adsorption tank, a sealing ring, an adsorbent barrel, an adsorbent barrel coupling, an annular sampling ring, a segmental gas sampling hole, a gas concentration detector, an elastic pipe section, a downstream gas sampling hole, a vacuum pump, an air cylinder swinging arm, an oscillating cylinder, an electronic balance, a reciprocating cylinder, a circuit and a main machine; the adsorbent performance testing system has regulation performance under certain pressure at certain temperature in a certain humidity range due to cooperation of the above components, the adsorbing material performance testing device can be applied to the competition and interference action mechanism when researching adsorption of all components of mixed gas. The adsorbing material performance testing device has the characteristics of advanced and reasonable structure, automation control and complete function, and can be operated simply and rapidly and the like.
Description
Technical field
The invention belongs to sorbing material performance detection field.It is specifically related to a kind of sorbing material performance testing device and its make
Use method.
Background technology
Gaseous material and porous media（As activated carbon, silica gel, adobe ore, high polymer polymeric adsorbent etc.）Contact
When, using van der Waals' force or the chemical bond power of the lack of equilibrium of surface of solids presence, target gas component absorption is existed
Solid matter surface and reach the detached purpose of gas, the detached process of this gaseous state is referred to as absorption method, and adsorption operations are widely
For fields such as petrochemical industry, organic chemical industry, dusty gas improvement, become a kind of important operating unit.
Adsorbent possesses unique absorption surface architectural feature, stronger selective adsorption capacity, good surface chemistry
Performance, the factor such as the operation temperature of its adsorption effect and adsorption system, humidity, pressure and gaseous substance property is closely related.
There is document[1]Optimization to activated carbon and fixed bed technological parameter has carried out system research, and result shows:With the rising of temperature, live
Property charcoal equilibrium adsorption capacity reduce, humidity can suppress adsorption capacity.Special under various application specific environments in order to meet
Air cleaning requires, and the research and development of novel absorption material development and application is very fast.However, the survey of current performance of the adsorbent
Examination technology is based primarily upon conventional environment factor and designs the choosing it is difficult to for adsorbent and technological parameter under the conditions of some complex operations
With providing effective theory support, such as the organic exhaust gas of chemical industry factory before adsorption cleaning often over the work such as carrying, heat
Sequence, leads to waste gas often to have the characteristics that hot and humid；The mesolow adsorption storage system of natural gas generally requires adsorbent and exists
Possesses good adsorption capacity under high-pressure situations.Therefore, development and application performance of the adsorbent test device under the conditions of complex operations
And method, it is Optimizing Process Parameters, an important research direction improving performance of the adsorbent.
Gaseous substance property is also a key factor of impact adsorption effect, the adsorbance to gas with various for the identical material
Difference, and for multicomponent mixed gas, because each component absorption affinity is of different sizes, phase can occur between each absorbed component
Interaction and competitive effect are so that adsorption process more becomes complicated.Each group competition that may be present and interference effect between dividing, make
Obtain the weak component of adsorption capacity and be adsorbed the strong component displacement of ability, the time of break-through of relatively strong adsorption capacity component is postponed, phase
The time of break-through of weakly stable ability component is shifted to an earlier date[2].At present, adsorbent there is no clearly to mixed gas selective absorption mechanism
Final conclusion, and going deep into and raising to sorbing material theoretical research, more depend on raising and the device of the means of testing of synchronized development
Optimization.
Summary is described, for meeting the needs of prior art exploitation and scientific research, the operation of Quantitative study adsorption system
The impact to absorption property for the factor such as temperature, humidity, pressure and gaseous substance property, hand tested by the corresponding sorbing material of exploitation
Section and device are restriction current industry technology development technical problems urgently to be resolved hurrily.
[1] Xie Yutan. the research [D] of multicomponent organic exhaust gas is administered in charcoal absorption. Zhejiang University, 2002.
[2] Sun Zheng. activated carbon studies [D] to the selective absorption of organic gas. Central South University, 2011.
Content of the invention
The deficiency existing for existing adsorption cleaning testing of materials equipment and technology, and improve to sorbing material performance product
The significance that matter is evaluated, it is an object of the invention to a kind of sorbing material performance testing device and its using method, by each
Cooperating between individual assembly can effectively realize performance of the adsorbent test system in certain pressure, temperature, humidity range
Modulatory character, complete, to the test of the absorption property of many components mixed gas, to exist for during research mixed gas each component absorption
Competition and interference effect mechanism provide necessary appliance arrangement.
The present invention is to reach above technical requirements, is adopted the technical scheme that：
Sorbing material performance testing device proposed by the present invention, including main body test system, heating power desorption system and automatically
Control system.Wherein：
Main body test system includes：First air filtration dehumidifier 2-1, test gas occurring source 3, air dry component 4,
Gas mixer 5, adsorption tanks 12, sorbent tube 14, and gas concentration detector 20, air intlet end A passes through the first air mistake
Filter dehumidifier 2-1 connects the air intlet of gas mixer 5, and test gas occurring source 3 connects gas by air drying part 4
The test gas feed of blender 5；Gas mixer 5 mixing air outlet pass sequentially through the first electromagnetic flowmeter 6-1, first
Wet temp controller 7-1, the first magnetic valve 8-1 and the mixing air import at pipeline connection adsorption tanks 12 top, described adsorption tanks
12 middle parts are sorbent tube 14, and described sorbent tube 14 is dismountable type, and its top is passed through the first sealing ring 13-1 and connected adsorption tanks
Top, bottom is passed through the second sealing ring 13-2 and is connected adsorption tanks bottom, and described adsorption tanks 12 top is provided with upstream gas thief hatch
9-1, bottom is provided with gas downstream thief hatch 9-3 and elastic pipeline section 22；Described sorbent tube 14 is fixed on adsorbent ring 16,
Described sorbent tube 14 outer wall is provided with some segmentation gas sampling mouth 9-2 and annular sampling circle 15, described annular sampling circle 15
Communicate with segmentation gas sampling mouth 9-2, described gas sampling mouth 9-1, segmentation gas sampling mouth 9-2 and gas downstream thief hatch 9-
3 are connected with gas concentration detector 20 respectively；Pipeline and main body test system gas outlet end C phase are passed through in adsorption tanks 12 lower end
Even, it is provided with the 3rd magnetic valve 8-3 in the middle of described pipeline；
Heating power desorption system includes the second magnetic valve 8-2, the 4th magnetic valve 8-4, second temperature and humidity controller 7-2, and second
Electromagnetic flowmeter 6-2 and air filtration dehumidifier 2-2, described adsorption tanks 12 top is connected by pipeline with gas outlet end B, institute
State and in the middle of pipeline, be provided with the second magnetic valve 8-2；Air inlet end D is connected by pipeline with described adsorption tanks 12 bottom, this pipeline
Between be sequentially provided with the second air filtration dehumidifier 2-2, the second temperature and humidity controller 7-2 and the 4th magnetic valve 8-4；
Automatic control system includes air compressor 1, vavuum pump 23, Temperature Humidity Sensor 10, pressure sensor 11, cylinder
Swing arm 17, oscillating cylinder 18, electronic balance 19, the first reciprocating air cylinder 21-1, the second reciprocating air cylinder 21-2, circuit 24 and master
Machine 25, described Temperature Humidity Sensor 10 and pressure sensor 11 are respectively arranged at adsorption tanks 12 top, and cylinder swing arm 17 is fixing
On adsorbent ring 16, described cylinder swing arm 17 is fixed on oscillating cylinder 18；Described first reciprocating air cylinder 21-1 and
Two reciprocating air cylinder 21-2 are individually fixed in adsorption tanks 12 bottom both sides；Described electronic balance 19 is used for weighing the matter of sorbent tube 14
Amount；Described air compressor 1 connects air inlet end A or air inlet end D respectively, and described vavuum pump 23 connects gas vent
End B or gas outlet end C；Described air compressor 1, test gas occurring source 3, electronic balance 19, oscillating cylinder 18, vavuum pump
23rd, the first magnetic valve 8-1, the second magnetic valve 8-2, the 3rd magnetic valve 8-3, the 4th magnetic valve 8-4, Temperature Humidity Sensor 10, pressure
Force snesor 11, the first Temperature Humidity Sensor 7-1, the second Temperature Humidity Sensor 7-2, gas concentration detector 20, the first electromagnetism
Flowmeter 6-1 and the second electromagnetic flowmeter 6-2 connects main frame 25 by circuit 24 respectively.
In the present invention, gas mixer 5 includes testing gas tracheae 5a, swirl vane 5b, housing 5c, baffle plate 5d, test
Gas vent 5e and solid vane axle 5f, wherein：6 swirl vane 5b are coaxially arranged, between two adjacent swirl vane 5b
Gap constitutes 6 road gas circuits, and three pieces of baffle plate 5d are arranged at intervals at 3 road gas circuit front ends；Test gas tracheae 5a and solid vane axle 5f
It is connected, the gas circuit that test corresponding three roads in gas tracheae 5a end are provided with baffle plate is three test gas vent 5e.Three roads no keep off
The gas circuit of plate is communicated with air duct, is air swirl passage, and test gas passes through to test gas tracheae 5a, and gas goes out after tested
Mouth 5e enters the swirl channel having baffle plate, and air and test gas are reached in exit after septal pathways eddy flow and uniformly mixes
Close.
In the present invention, described sorbent tube 14 is cylindrical shape, and interior filling adsorbent to be tested uniformly sets on sorbent tube 14
3-6 annular sampling circle 15.
In the present invention, described annular sampling circle 15 includes several gas outlets 15a and annular hollow passageway 15b, wherein：Go out
The number of gas port 15a is 4-8, is uniformly distributed around sorbent tube 14, annular hollow passageway 15b respectively with segmentation gas sampling
Mouth 9-2 communicates, and is connected with gas concentration detector 20.
A kind of using method of sorbing material performance testing device proposed by the present invention, described device can realize adsorbent
Modulatory character in certain pressure, temperature, humidity range for the absorption property test system, when test adsorbent is big higher than standard
Absorption property under atmospheric pressure, certain humiture, can be by air compressor 1, the first air filtration dehumidifier 2-1, tests gas
Occurring source 3, air drying part 4, gas mixer 5, the first electromagnetic flowmeter 6-1, the first temperature and humidity controller 7-1, first
Magnetic valve 8-1, upstream gas thief hatch 9-1, adsorption tanks 12, the first sealing ring 13-1, sorbent tube 14, annular sampling circle 15,
Adsorbent ring 16, segmentation gas sampling mouth 9-2, gas concentration detector 20, the second sealing ring 13-2, elastic pipeline section 22, under
Faint breath sampler body mouth 9-3, the 3rd magnetic valve 8-3 simultaneously coordinate automatic control system to realize；Detailed process is：By in sorbent tube 14
Fill up adsorbent to be measured, and be fixed on adsorbent ring 16, be screwed on electronic balance 19 by oscillating cylinder 18 and weigh initially
Quality, then sorbent tube 14 is screwed into below adsorption tanks 12, sorbent tube 14 is docked about 12 by reciprocating air cylinder 21 with adsorption tanks
And clamp, ensure main body test system air-tightness using the first sealing ring 13-1 and the second sealing ring 13-2；By air compressor 1
It is connected with air intlet end A, closes the second magnetic valve 8-2 and the 4th magnetic valve 8-4, open air compressor 1, air is through first
After air filtration dehumidifier 2-1 purifies, by gas mixer 5 and the test gas mixing through air drying part 4 dehumidifying
Uniformly, real time humiture and pressure in pipeline is monitored by Temperature Humidity Sensor 10 and pressure sensor 11, warm and humid by first
In degree controller 7-1 adjustment main body test system, humiture reaches in claimed range, and controls the first magnetic valve 8-1 to be more than the 3rd
The aperture of magnetic valve 8-3, the adsorptive pressure realizing test section is higher than normal atmospheric pressure, monitors stream by electromagnetic flowmeter 6-1
Amount, and absorption flow in main body test system is adjusted by air compressor 1；After absorption test starts, adopted by upstream gas
Sample mouth 9-1, segmentation gas sampling mouth 9-2 and gas downstream thief hatch 9-3 connect gas concentration detector 20, monitoring absorption test
In front and back and adsorbent filled section various location adsorbed gas concentration.After test terminates, the first reciprocating air cylinder 21-1 and the
Two reciprocating air cylinder 21-2 unclamp drop-down for adsorption tanks 12 lower end, and sorbent tube 14 is directly screwed into electronic balance 19 by oscillating cylinder 18
On, weigh adsorbance；
When test adsorbent is less than the absorption property under normal atmospheric pressure, certain humiture, can by vavuum pump 23, the
One air filtration dehumidifier 2-1, tests gas occurring source 3, air drying part 4, gas mixer 5, the first electromagnetic flowmeter
6-1, the first temperature and humidity controller 7-1, the first magnetic valve 8-1, upstream gas thief hatch 9-1, adsorption tanks 12, the first sealing ring
13-1, sorbent tube 14, annular sampling circle 15, adsorbent ring 16, segmentation gas sampling mouth 9-2, gas concentration detector 20,
Second sealing ring 13-2, elastic pipeline section 22, gas downstream thief hatch 9-3 and the 3rd magnetic valve 8-3 simultaneously coordinates automatic control system
Realize；Detailed process is：Fill up adsorbent to be measured by sorbent tube 14, and be fixed on adsorbent ring 16, by swinging
Cylinder 18 is screwed into weighing initial mass on electronic balance 19, then sorbent tube 14 is screwed into below adsorption tanks 12, reciprocating air cylinder 21
Sorbent tube 14 is docked about 12 with adsorption tanks and clamps, ensure system using the first sealing ring 13-1 and the second sealing ring 13-2
System air-tightness；Air intlet A opens, and does not connect power-equipment, vavuum pump 23 is connected with gas outlet end C, closes the second magnetic valve
8-2 and the 4th magnetic valve 8-4, opens vavuum pump 23, air after the first air filtration dehumidifier 2-1 purifies, by gas
Blender 5 is uniform with the test gas mixing through air drying part 4 dehumidifying, by Temperature Humidity Sensor 10 and pressure sensing
Real time humiture and pressure in device 11 monitoring pipeline, being reached by humiture in the first temperature and humidity controller 7-1 adjustment system will
In the range of asking, and the first magnetic valve 8-1 is controlled to be less than the aperture of the 3rd magnetic valve 8-3, the adsorptive pressure realizing test section is less than
Normal atmospheric pressure, monitors flow by electromagnetic flowmeter 6-1, and adjusts absorption stream in main body test system by vavuum pump 23
Amount；After absorption test starts, by upstream gas thief hatch 9-1, segmentation gas sampling mouth 9-2 and gas downstream thief hatch 9-3
Connect gas concentration detector 20, monitoring adsorbent before and after and adsorbent filled section various location adsorbed gas concentration.
After test terminates, the first reciprocating air cylinder 21-2 and the second reciprocating air cylinder 21-2 unclamps drop-down for adsorption tanks 12 lower end, oscillating cylinder
18 directly sorbent tube 14 are screwed on electronic balance 19, weigh adsorbance.
The using method of sorbing material performance testing device proposed by the present invention, described device can be realized desorption performance and survey
Modulatory character in certain pressure, temperature, humidity range for the test system.When test adsorbent higher than normal atmospheric pressure, one
During desorption performance under constant temperature humidity, can be by air compressor 1, the second air filtration dehumidifier 2-2, the second electromagnetic flowmeter 6-
2, the second temperature and humidity controller 7-2, the 4th magnetic valve 8-4, upstream gas thief hatch 9-1, adsorption tanks 12, the first sealing ring 13-
1, sorbent tube 14, annular sampling circle 15, adsorbent ring 16, segmentation gas sampling mouth 9-2, gas concentration detector 20, the
Two sealing ring 13-2, elastic pipeline section 22, gas downstream thief hatch 9-3, the second magnetic valve 8-2 simultaneously coordinate automatic control system real
Existing, detailed process is：It is screwed on electronic balance 19 by oscillating cylinder 18 and weigh adsorbent mass after absorption, then by sorbent tube
14 are screwed into below adsorption tanks 12, and the first reciprocating air cylinder 21-1 and the second reciprocating air cylinder 21-2 is by sorbent tube 14 and adsorption tanks 12
Under dock and clamp, ensure main body test system air-tightness using the first sealing ring 13-1 and the second sealing ring 13-2；By air
Compressor 1 is connected with air intlet end D, closes the first magnetic valve 8-1 and the 3rd magnetic valve 8-3, opens air compressor 1, empty
Gas passes through the second air filtration dehumidifier 2-2 and purifies；Monitored real in pipeline by Temperature Humidity Sensor 10 and pressure sensor 11
When humiture and pressure, reached in claimed range using humiture in the second temperature and humidity controller 7-2 adjustment system, and control
Four magnetic valve 8-4 are more than the aperture of the second magnetic valve 8-2, and the desorption pressure realizing test section is higher than normal atmospheric pressure, passes through
Electromagnetic flowmeter 6-2 monitors flow, and adjusts desorption flow in system by air compressor 1.After desorption test starts, pass through
Upstream gas thief hatch 9-1, segmentation gas sampling mouth 9-2 and gas downstream thief hatch 9-3 connect gas concentration detector 20, prison
Survey desorption test before and after and adsorbent filled section various location gas concentration.After test terminates, the first reciprocating air cylinder 21-
1 and second reciprocating air cylinder 21-2 unclamp drop-down for adsorption tanks 12 lower end, sorbent tube 14 is directly screwed into electronics by oscillating cylinder 18
On balance 19, weigh adsorbent mass after desorption；
When testing adsorbent when less than desorption performance under normal atmospheric pressure, certain humiture, can by vavuum pump 23,
Second air filtration dehumidifier 2-2, the second electromagnetic flowmeter 6-2, the second temperature and humidity controller 7-2, the 4th magnetic valve 8-4, on
Faint breath sampler body mouth 9-1, adsorption tanks 12, the first sealing ring 13-1, sorbent tube 14, annular sampling circle 15, adsorbent ring 16,
Segmentation gas sampling mouth 9-2, gas concentration detector 20, the second sealing ring 13-2, elastic pipeline section 22, gas downstream thief hatch 9-
3, the second magnetic valve 8-2 simultaneously coordinate automatic control system to realize；Detailed process is：Electronic balance 19 is screwed into by oscillating cylinder 18
Adsorbent mass after upper weighing absorption, then sorbent tube 14 is screwed into below adsorption tanks 12, the first reciprocating air cylinder 21-1 and second
Sorbent tube 14 is docked about 12 with adsorption tanks and clamps by reciprocating air cylinder 21-2, using the first sealing ring 13-1 and second sealing
Circle 13-2 ensures main body test system air-tightness；Air intlet end D opens, and connects vavuum pump 23 and gas outlet end B, closes the
One magnetic valve 8-1 and the 3rd magnetic valve 8-3, opens vavuum pump 23, and air passes through the second air filtration dehumidifier 2-2 and purifies；Logical
Cross real time humiture and pressure in Temperature Humidity Sensor 10 and pressure sensor 11 monitoring pipeline, using the second temperature and humidity controller
In 7-2 adjustment system, humiture reaches in claimed range, and controls the 4th magnetic valve 8-4 to be less than the aperture of the second magnetic valve 8-2,
The desorption pressure realizing test section is less than normal atmospheric pressure, monitors flow by electromagnetic flowmeter 6-2, and passes through vavuum pump 23
Desorption flow in adjustment system；Desorption test start after, by upstream gas thief hatch 9-1, segmentation gas sampling mouth 9-2 and under
Faint breath sampler body mouth 9-3 connects gas concentration detector 20, and monitoring is desorbed before and after testing and adsorbent filled section diverse location
The gas concentration at place；After test terminates, the first reciprocating air cylinder 21-1 and the second reciprocating air cylinder 21-2 will be drop-down for adsorption tanks 12 lower end
Unclamp, oscillating cylinder 18 directly sorbent tube 14 is screwed on electronic balance 19, weigh adsorbent mass after desorption.
A kind of sorbing material performance testing device according to the present invention and its test of using method and current generally existing
System is compared, and it is advantageous that：
（1）Involved a kind of sorbing material performance testing device in the present invention, is capable of performance of the adsorbent test system
Modulatory character in certain pressure, temperature, humidity range for the system.System is passed through dehumidifying and is purified first, and by under test gas and
It is sufficiently mixed with air, through by real time humiture and pressure in Temperature Humidity Sensor and pressure sensor monitoring pipeline, profit
Reached in claimed range with humiture in temperature and humidity controller adjustment system, using air compressor and electromagnetic valve switch with open
Degree, can simply and effectively realize testing the absorption test that pipeline section is higher than under normal pressure, in the same manner, it is possible to use vavuum pump and electricity
Magnet valve switch and aperture are to realize testing pipeline section less than the absorption test under normal pressure.The design of this device is simply effective,
Experimental implementation is simply quick.
（2）Involved a kind of sorbing material performance testing device in the present invention, the rotational flow gas using unique design are mixed
Close structure, the uniform mixing of air and under test gas can be effectively facilitated, there is structure simply, the feature of good mixing effect.Real
Show the uneven problem of the pollutant levels to be measured of existing test system generally existing.
（3）In the present invention, a kind of involved sorbing material performance testing device and its using method are capable of gaseous mixture
The adsorption effect of body is accurately tested.Adsorption section is provided with several segmentation gas sampling mouths, and annular sampling ring sets around sorbent tube
There are several gas outlets, accomplish uniform sampling, during several annular sampling circles are arranged at before adsorption module according to certain rule
Back segment, can get the concentration of each split-phase in each section of mixed gas by connecting gas concentration detector, to realize to mixed gas
The competition existing during each component absorption and the research of interference effect mechanism.
（4）In the present invention, a kind of involved sorbing material performance testing device realizes Automated condtrol.System passes through temperature
Humidity sensor, pressure sensor, temperature and humidity controller, electromagnetic flowmeter, magnetic valve etc. connect main frame, realize warm and humid in system
Degree, the automatic regulation of air pressure.By the compound action with reference to oscillating cylinder and rotary cylinder, adsorption module can be torn open automatically
Close, and by the automatic weighing under cylinder control, accurately record adsorbance and desorption quantity.
（5）In the present invention, a kind of involved sorbing material performance testing device is provided with desorption system.By directly transferring
System dynamic source（Air compressor and vavuum pump）, regulate and control magnetic valve, realize the design of reverse thermal desorption air-channel system, complete to inhale
The desorption of enclosure material each section of gas concentration of real-time monitoring, to probe into desorption performance and the rule of sorbing material.
Brief description
Fig. 1 sorbing material performance testing device structural representation；
Fig. 2 adsorbs testing process explanatory diagram,（a）High Pressure Absorption testing process explanatory diagram,（b）Low pressure adsorbent testing process is said
Bright figure；
Fig. 3 is desorbed testing process explanatory diagram,（a）High pressure is desorbed testing process explanatory diagram,（b）Low pressure desorption testing process is said
Bright figure；
Fig. 4 Structure of Gas Mixer schematic diagram；
Fig. 5 annular sampling coil structures schematic diagram.
In figure label：1 is air compressor, and 2-1 is the first air filtration dehumidifier, and 2-2 is the second air filtration dehumidifying
Device, 3 is test gas occurring source, and 4 is air drying part, and 5 is gas mixer, and 6-1 is the first electromagnetic flowmeter, and 6-2 is
Second electromagnetic flowmeter, 7-1 is the first temperature and humidity controller, and 7-2 is the second temperature and humidity controller, and 8-1 is the first magnetic valve, 8-
2 is the second magnetic valve, and 8-3 is the 3rd magnetic valve, and 8-4 is the 4th magnetic valve, and 9-1 is upstream gas thief hatch, and 9-2 is some points
Section gas sampling mouth, 9-3 is gas downstream thief hatch, and 10 is Temperature Humidity Sensor, and 11 is pressure sensor, and 12 is adsorption tanks,
13-1 is the first sealing ring, and 13-2 is the second sealing ring, and 14 is sorbent tube, and 15 is annular sampling circle, and 15a is gas outlet, 15b
Annular hollow passageway, 16 is adsorbent ring, and 17 is cylinder swing arm, and 18 is oscillating cylinder, and 19 is electronic balance, and 20 is gas
Concentration detector, 21-1 is the first reciprocating air cylinder, and 21-2 is the second reciprocating air cylinder, and 22 is elastic pipeline section, and 23 is vavuum pump, and 24 are
Circuit, 25 is main frame；5a is test gas tracheae, and 5b is swirl vane, and 5c is housing, and 5d is baffle plate, and 5e is that test gas goes out
Mouthful, 5f is solid vane axle.
Specific embodiment
Combine accompanying drawing below by embodiment and further illustrate the present invention.
Embodiment 1：
Applied environment：Research zeolite molecular sieve humidity be zero, under uniform temperature, the crystallized ability to methane for the different pressures
Impact.
As shown in figure 4, gas mixer 5 includes testing gas tracheae 5a, swirl vane 5b, housing 5c, baffle plate 5d, test
Gas vent 5e and solid vane axle 5f, wherein：6 swirl vane 5b are coaxially arranged, between two adjacent swirl vane 5b
Gap constitutes 6 road gas circuits, and three pieces of baffle plate 5d are arranged at intervals at 3 road gas circuit front ends；Test gas tracheae 5a and solid vane axle 5f
It is connected, the gas circuit that test corresponding three roads in gas tracheae 5a end are provided with baffle plate is three test gas vent 5e.Three roads no keep off
The gas circuit of plate is communicated with air duct, is air swirl passage, and test gas passes through to test gas tracheae 5a, and gas goes out after tested
Mouth 5e enters the swirl channel having baffle plate, and air and test gas are reached in exit after septal pathways eddy flow and uniformly mixes
Close.
As shown in figure 5, described annular sampling circle 15 includes several gas outlets 15a and annular hollow passageway 15b, wherein：
The number of gas outlet 15a is 4-8, is uniformly distributed around sorbent tube 14, annular hollow passageway 15b is adopted with segmentation gas respectively
Sample mouth 9-2 communicates, and is connected with gas concentration detector 20.
According to accompanying drawing 2（a）, when measuring that under high-pressure situations, zeolite molecular sieve is to the crystallized ability of methane, using air pressure
Contracting machine 1, as system dynamic device, is tested gas occurring source and is adopted high pressure methane gas, according to methane gas partial pressure to be measured, calculates empty
Gas and the flow-rate ratio of methane gas.Then fill up zeolite molecular sieve by sorbent tube 14, and be fixed on adsorbent ring 16, lead to
Cross oscillating cylinder 18 and be screwed into weighing initial mass on electronic balance 19, then sorbent tube 14 is screwed into below adsorption tanks 12, back and forth
Sorbent tube 14 is docked about 12 with adsorption tanks and clamps by cylinder 21, ensures system air-tightness using sealing ring 13.Start to survey
After examination, air compressor 1 is connected with air intlet end A, closes the second magnetic valve 8-2 and the 4th magnetic valve 8-4, open air
Compressor 1, air passes through the first air filtration dehumidifier 2-1 and purifies, by gas mixer 5 and through air drying part 4
The high pressure methane gas of dehumidifying mixes, and monitors real time humiture in pipeline by Temperature Humidity Sensor 10 and pressure sensor 11
And pressure, requirement is reached by temperature in the first temperature and humidity controller 7-1 adjustment system, controls the first magnetic valve 8-1 to be more than the
The aperture of three magnetic valve 8-3, the adsorptive pressure realizing test section is higher than normal atmospheric pressure, is monitored by electromagnetic flowmeter 6-1
Flow, and by absorption flow in air compressor 1 and high pressure methane source of the gas 3 adjustment system.After absorption test starts, by upper
Faint breath sampler body mouth 9-1 and gas downstream thief hatch 9-3 connects gas concentration detector 20, and before and after monitoring absorption test, methane is dense
Degree.After adsorbent penetrates, close air compressor 1 and high pressure methane source of the gas 3, reciprocating air cylinder 21 will be drop-down for adsorption tanks 12 lower end
Unclamp, oscillating cylinder 18 directly sorbent tube 14 is screwed on electronic balance 19, weigh adsorbance.According to the first magnetic valve 8-1
Under coordinating with the aperture of the 3rd magnetic valve 8-3, can measure under different high-pressure situations, the adsorbance to methane for the zeolite molecular sieve.
According to accompanying drawing 2（b）, when measuring that under low voltage situations, zeolite molecular sieve is to the crystallized ability of methane, using vavuum pump
23 as system dynamic device, tests gas occurring source and adopts high pressure methane gas, according to methane gas partial pressure to be measured, calculate air and
The flow-rate ratio of methane gas.Then fill up zeolite molecular sieve by sorbent tube 14, and be fixed on adsorbent ring 16, by pendulum
Cylinder 18 of taking offence is screwed into weighing initial mass on electronic balance 19, then sorbent tube 14 is screwed into below adsorption tanks 12, reciprocating air cylinder
Sorbent tube 14 is docked about 12 with adsorption tanks and clamps by 21, ensures system air-tightness using sealing ring 13.After starting test,
Vavuum pump 23 is connected with gas vent C, closes the second magnetic valve 8-2 and the 4th magnetic valve 8-4, open vavuum pump 23, air
Purified by the first air filtration dehumidifier 2-1, by gas mixer 5 and the high pressure first through air drying part 4 dehumidifying
Alkane gas mixes, and monitors real time humiture and pressure in pipeline by Temperature Humidity Sensor 10 and pressure sensor 11, passes through
In first temperature and humidity controller 7-1 adjustment system, temperature reaches requirement, controls the first magnetic valve 8-1 to be less than the 3rd magnetic valve 8-3
Aperture, the adsorptive pressure realizing test section is less than normal atmospheric pressure, monitors flow by electromagnetic flowmeter 6-1, and pass through
Absorption flow in vavuum pump 23 and high pressure methane source of the gas 3 adjustment system.After absorption test starts, by upstream gas thief hatch 9-
1 and gas downstream thief hatch 9-3 connection gas concentration detector 20, methane concentration before and after monitoring absorption test.When adsorbent is worn
After thoroughly, close vavuum pump 23 and high pressure methane source of the gas 3, reciprocating air cylinder 21 unclamps drop-down for adsorption tanks 12 lower end, oscillating cylinder 18
Directly sorbent tube 14 is screwed on electronic balance 19, weighs adsorbance.According to the first magnetic valve 8-1 and the 3rd magnetic valve 8-3
Aperture cooperation under, can measure under different low voltage situations, the adsorbance to methane for the zeolite molecular sieve.
Embodiment 2：
Applied environment：In test adsorption process to multicomponent organic gas under activated carbon normal temperature and pressure, gas with various
Interaction between component, such as Reverse transcriptase suction-operated, synergic sorption, the material of high adsorption capacity is to weakly stable energy
Replacement suction-operated of power material etc..Test gas selects dimethylbenzene, toluene, normal propyl alcohol, ethanol.
According to accompanying drawing 2（a）, when studying that under normal temperature and pressure, activated carbon is to the suction-operated of multicomponent mixed gas, adopt
Air compressor 1, as system dynamic device, is tested gas occurring source and is selected high pressure gas holder, divided according to each mixed gas to be measured
Pressure, calculates the flow-rate ratio of air and gaseous mixture, if 4 segmentation gas sampling mouth 9-2, monitors same in same adsorption process respectively
Each section of mixed gas concentration of moment.Then fill up activated carbon by sorbent tube 14, and be fixed on adsorbent ring 16, pass through
Oscillating cylinder 18 is screwed into weighing initial mass on electronic balance 19, then sorbent tube 14 is screwed into below adsorption tanks 12, reciprocal gas
Sorbent tube 14 is docked about 12 with adsorption tanks and clamps by cylinder 21, ensures system air-tightness using sealing ring 13.Start to test
Afterwards, air compressor 1 is connected with air intlet end A, closes the second magnetic valve 8-2 and the 4th magnetic valve 8-4, open air pressure
Contracting machine 1, air passes through the first air filtration dehumidifier 2-1 and purifies, and is removed with through air drying part 4 by gas mixer 5
After wet multicomponent organic gas mixes, monitored warm in real time in pipeline by Temperature Humidity Sensor 10 and pressure sensor 11
Humidity and pressure, reach requirement by temperature in the first temperature and humidity controller 7-1 adjustment system, control the first magnetic valve 8-1 and
The aperture of the 3rd magnetic valve 8-3, keeps test section atmospheric pressure state, monitors flow by electromagnetic flowmeter 6-1, and passes through air pressure
Absorption flow in contracting machine 1 and test gas occurring source 3 adjustment system.After absorption test starts, by upstream gas thief hatch 9-
1st, segmentation gas sampling mouth 9-2 and gas downstream thief hatch 9-3 connect gas concentration detector 20, before and after monitoring absorption test with
And test section diverse location various component gas concentration.After gaseous mixture each component constant concentration in exit is constant, close air
Compressor 1 and high pressure methane source of the gas 3, reciprocating air cylinder 21 unclamps drop-down for adsorption tanks 12 lower end, and oscillating cylinder 18 directly will adsorb
Agent cylinder 14 is screwed on electronic balance 19, weighs adsorbance.By upstream gas thief hatch 9-1, segmentation gas sampling mouth 9-2 and under
Faint breath sampler body mouth 9-3 has gas concentration monitoring point at 6 positions altogether, can get the time dependent mixed gas of same position
Concentration, same adsorption process of same time in each mixture strength of various location, thus can Study On The Activated Carbon paraxylene,
The selective absorption behavior of this several organic gas of toluene, normal propyl alcohol, ethanol.
Embodiment 3：
Applied environment：Study the adsorption mechanism of modified activated carbon PARA FORMALDEHYDE PRILLS(91,95), adsorption temp is 30 DEG C, humidity is 0, desorption
Temperature is 120 DEG C, and temperature is 0 DEG C, and test section air pressure is 100kPa.
According to accompanying drawing 2（a）, when studying the adsorption mechanism of modified activated carbon PARA FORMALDEHYDE PRILLS(91,95), using air compressor 1 conduct
System dynamic device, test gas occurring source adopts high pressure formaldehyde gas tank, according to formaldehyde partial pressure to be measured, calculates air and formaldehyde
Flow-rate ratio.Then fill up modified activated carbon by sorbent tube 14, and be fixed on adsorbent ring 16, by oscillating cylinder
18 are screwed into weighing initial mass on electronic balance 19, then sorbent tube 14 is screwed into below adsorption tanks 12, and reciprocating air cylinder 21 will be inhaled
Attached dose of cylinder 14 is docked about 12 with adsorption tanks and clamps, and ensures system air-tightness using sealing ring 13.After starting test, by air
Compressor 1 is connected with air intlet end A, closes the second magnetic valve 8-2 and the 4th magnetic valve 8-4, opens air compressor 1, empty
Gas passes through the first air filtration dehumidifier 2-1 and purifies, by gas mixer 5 and the high pressure through air drying part 4 dehumidifying
Formaldehyde mixes, and monitors real time humiture and pressure in pipeline by Temperature Humidity Sensor 10 and pressure sensor 11, passes through
In first temperature and humidity controller 7-1 adjustment system, temperature reaches requirement, controls the first magnetic valve 8-1's and the 3rd magnetic valve 8-3
Aperture, the adsorptive pressure realizing test section is maintained at 100kPa, monitors flow by electromagnetic flowmeter 6-1, and passes through air pressure
Absorption flow in contracting machine 1 and high pressure formaldehyde source of the gas 3 adjustment system.After absorption test starts, by upstream gas thief hatch 9-1 and
Gas downstream thief hatch 9-3 connects gas concentration detector 20, concentration of formaldehyde before and after monitoring absorption test.When adsorbent penetrates
Afterwards, air compressor 1 and high pressure formaldehyde source of the gas 3 are closed, reciprocating air cylinder 21 unclamps drop-down for adsorption tanks 12 lower end, oscillating cylinder 18
Directly sorbent tube 14 is screwed on electronic balance 19, weighs adsorbance.
According to accompanying drawing 3（a）Setting desorption test gas circuit, the desorption situation after test modified activated carbon formaldehyde adsorption, according to
Experimental result, judges adsorption mechanism（Physical absorption or chemisorbed）, and the sign knot of binding activity charcoal inner surface functional group
Really, study the adsorption mechanism of modified activated carbon PARA FORMALDEHYDE PRILLS(91,95).Detachment assays specific practice is：Air compressor 1 and air are entered
Mouth end D is connected, and closes the first magnetic valve 8-1 and the 3rd magnetic valve 8-3, opens air compressor 1, and air passes through the second air mistake
Filter dehumidifier 2-2 purifies；Real time humiture and pressure in pipeline, profit are monitored by Temperature Humidity Sensor 10 and pressure sensor 11
Reached in claimed range with temperature in the second temperature and humidity controller 7-2 adjustment system, and control the 4th magnetic valve 8-4 and second electricity
The aperture of magnet valve 8-2, the desorption pressure realizing test section is 100kPa, monitors flow by electromagnetic flowmeter 6-2, and by sky
Desorption flow in air compressor 1 adjustment system.After desorption test starts, by upstream gas thief hatch 9-1, segmentation gas sampling
Mouth 9-2 and gas downstream thief hatch 9-3 connects gas concentration detector 20, before and after monitoring desorption test and adsorbent filled section
The gas concentration of various location.After test terminates, reciprocating air cylinder 21 unclamps drop-down for adsorption tanks 12 lower end, and oscillating cylinder 18 is straight
Connect and sorbent tube 14 is screwed on electronic balance 19, weigh adsorbent mass after desorption, and to absorption ration and desorption rate.
The above-mentioned description to embodiment is to be understood that for the ease of those skilled in the art and apply this
Bright.Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein
One principle is applied in other embodiment without through performing creative labour.Therefore, the invention is not restricted to enforcement here
Example, according to the announcement of the present invention, the improvement made for the present invention and modification all should be the present invention's for those skilled in the art
Within protection domain.
Claims (6)
1. a kind of sorbing material performance testing device is it is characterised in that include main body test system, heating power desorption system and automatically
Control system, wherein：
Main body test system includes：First air filtration dehumidifier (2-1), test gas occurring source (3), air drying part
(4), gas mixer (5), adsorption tanks (12), sorbent tube (14) and gas concentration detector (20), air intlet end A passes through
First air filtration dehumidifier (2-1) connects the air intlet of gas mixer (5), and air is passed through in test gas occurring source (3)
Drying part (4) connects the test gas feed of gas mixer (5)；The mixing air outlet of gas mixer (5) is led to successively
Cross the first electromagnetic flowmeter (6-1), the first temperature and humidity controller (7-1), the first magnetic valve (8-1) and pipeline and connect adsorption tanks
(12) the mixing air import at top, is sorbent tube (14) in the middle part of described adsorption tanks (12), described sorbent tube (14) is de-
Unload formula, its top connects adsorption tanks top by the first sealing ring (13-1), bottom is passed through the second sealing ring (13-2) and connected suction
Attached tank bottom, described adsorption tanks (12) top is provided with upstream gas thief hatch (9-1), and bottom is provided with gas downstream thief hatch (9-
3) and elastic pipeline section (22)；Described sorbent tube (14) is fixed on adsorbent ring (16), described sorbent tube (14) outer wall
It is provided with some segmentations gas sampling mouth (9-2) and annular sampling circle (15), described annular sampling circle (15) is adopted with segmentation gas
Sample mouth (9-2) communicates, described gas sampling mouth (9-1), segmentation gas sampling mouth (9-2) and gas downstream thief hatch (9-3) point
It is not connected with gas concentration detector (20)；Pipeline and main body test system gas outlet end C phase are passed through in adsorption tanks (12) lower end
Even, it is provided with the 3rd magnetic valve (8-3) in the middle of described pipeline；
Heating power desorption system includes the second magnetic valve (8-2), the 4th magnetic valve (8-4), the second temperature and humidity controller (7-2), and
Two electromagnetic flowmeters (6-2) and the second air filtration dehumidifier (2-2), described adsorption tanks (12) top is led to gas outlet end B
Piping connects, and is provided with the second magnetic valve (8-2) in the middle of described pipeline；Air inlet end D is led to described adsorption tanks (12) bottom
Piping is connected, and this pipeline enclosure is sequentially provided with the second air filtration dehumidifier (2-2), the second temperature and humidity controller (7-2) and the
Four magnetic valves (8-4)；
Automatic control system includes air compressor (1), vavuum pump (23), Temperature Humidity Sensor (10), pressure sensor (11),
Cylinder swing arm (17), oscillating cylinder (18), electronic balance (19), the first reciprocating air cylinder (21-1), the second reciprocating air cylinder (21-
2), circuit (24) and main frame (25), described Temperature Humidity Sensor (10) and pressure sensor (11) are respectively arranged at adsorption tanks
(12) top, cylinder swing arm (17) is fixed on adsorbent ring (16), and described cylinder swing arm (17) is fixed on swing gas
On cylinder (18)；Described first reciprocating air cylinder (21-1) and the second reciprocating air cylinder (21-2) are individually fixed in adsorption tanks (12) bottom two
Side；Described electronic balance (19) is used for weighing the quality of sorbent tube (14)；Described air compressor (1) connects air respectively and enters
Mouth end A or air inlet end D, described vavuum pump (23) connects gas outlet end B or gas outlet end C；Described air compression
Machine (1), test gas occurring source (3), electronic balance (19), oscillating cylinder (18), vavuum pump (23), the first magnetic valve (8-1),
Second magnetic valve (8-2), the 3rd magnetic valve (8-3), the 4th magnetic valve (8-4), Temperature Humidity Sensor (10), pressure sensor
(11), the first temperature and humidity controller (7-1), the second temperature and humidity controller (7-2), gas concentration detector (20), the first electromagnetism
Flowmeter (6-1) and the second electromagnetic flowmeter (6-2) connect main frame (25) by circuit (24) respectively.
2. a kind of sorbing material performance testing device according to claim 1 is it is characterised in that gas mixer (5) includes
Test gas tracheae (5a), swirl vane (5b), housing (5c), baffle plate (5d), test gas vent (5e) and solid vane axle
(5f), wherein：6 swirl vanes (5b) are coaxially arranged, and between two adjacent swirl vanes (5b), gap constitutes 6 road gas circuits,
Three pieces of baffle plates (5d) are arranged at intervals at 3 road gas circuit front ends；Test gas tracheae (5a) is connected with solid vane axle (5f), tests gas
The gas circuit that corresponding three roads in body tracheae (5a) end are provided with baffle plate is three tests gas vent (5e)；The unbaffled gas circuit in three roads
Communicate with air duct, be air swirl passage, test gas passes through to test gas tracheae (5a), gas vent (5e) after tested
Enter the swirl channel having baffle plate, air and test gas reach uniform mixing in exit after septal pathways eddy flow.
3. a kind of sorbing material performance testing device according to claim 1, sorbent tube (14) is cylindrical shape, interior filling
Adsorbent to be tested, sorbent tube (14) uniformly sets 3-6 annular sampling circle (15).
4. a kind of sorbing material performance testing device according to claim 1 or 3, annular sampling circle (15) includes several
Gas outlet (15a) and annular hollow passageway (15b), wherein：The number of gas outlet (15a) is 4-8, around sorbent tube (14)
It is uniformly distributed, annular hollow passageway (15b) is communicated with segmentation gas sampling mouth (9-2) respectively, with gas concentration detector (20)
It is connected.
5. a kind of using method of sorbing material performance testing device as claimed in claim 1 is it is characterised in that described device
Modulatory character in certain pressure, temperature, humidity range for the adsorbent absorption property test system can be realized, when test absorption
Agent, higher than the absorption property under normal atmospheric pressure, certain humiture, can be removed by air compressor (1), the first air filtration
Wet device (2-1), test gas occurring source (3), air drying part (4), gas mixer (5), the first electromagnetic flowmeter (6-
1), the first temperature and humidity controller (7-1), the first magnetic valve (8-1), upstream gas thief hatch (9-1), adsorption tanks (12), first
Sealing ring (13-1), sorbent tube (14), annular sampling circle (15), adsorbent ring (16), segmentation gas sampling mouth (9-2),
Gas concentration detector (20), the second sealing ring (13-2), elastic pipeline section (22), gas downstream thief hatch (9-3), the 3rd electromagnetism
Valve (8-3) simultaneously coordinates automatic control system to realize；Detailed process is：Fill up adsorbent to be measured by sorbent tube (14), and solid
On adsorbent ring (16), electronic balance (19) upper weighing initial mass is screwed into by oscillating cylinder (18), then will adsorb
Agent cylinder (14) is screwed into below adsorption tanks (12), and sorbent tube (14) is docked and presss from both sides with adsorption tanks (12) by reciprocating air cylinder (21) up and down
Tightly, ensure main body test system air-tightness using the first sealing ring (13-1) and the second sealing ring (13-2)；By air compressor
(1) it is connected with air intlet end A, close the second magnetic valve (8-2) and the 4th magnetic valve (8-4), open air compressor (1),
After air purifies through the first air filtration dehumidifier (2-1), removed with through air drying part (4) by gas mixer (5)
Wet test gas mixing uniformly, monitors real time humiture in pipeline by Temperature Humidity Sensor (10) and pressure sensor (11)
And pressure, humiture in main body test system is adjusted by the first temperature and humidity controller (7-1) and reaches in claimed range, and control
First magnetic valve (8-1) is more than the aperture of the 3rd magnetic valve (8-3), and the adsorptive pressure realizing test section is higher than standard atmospheric pressure
Power, monitors flow by the first electromagnetic flowmeter (6-1), and adjusts absorption in main body test system by air compressor (1)
Flow；After absorption test starts, sampled by upstream gas thief hatch (9-1), segmentation gas sampling mouth (9-2) and gas downstream
Mouthful (9-3) connects gas concentration detector (20), before and after monitoring absorption test and adsorbent filled section various location suction
Attached gas concentration, after test terminates, the first reciprocating air cylinder (21-1) and the second reciprocating air cylinder (21-2) are by adsorption tanks (12) lower end
Drop-down unclamp, oscillating cylinder (18) directly sorbent tube (14) is screwed on electronic balance (19), weigh adsorbance；
When test adsorbent is less than the absorption property under normal atmospheric pressure, certain humiture, can by vavuum pump (23), first
Air filtration dehumidifier (2-1), test gas occurring source (3), air drying part (4), gas mixer (5), the first electromagnetism
Flowmeter (6-1), the first temperature and humidity controller (7-1), the first magnetic valve (8-1), upstream gas thief hatch (9-1), adsorption tanks
(12), the first sealing ring (13-1), sorbent tube (14), annular sampling circle (15), adsorbent ring (16), segmentation gas sampling
Mouth (9-2), gas concentration detector (20), the second sealing ring (13-2), elastic pipeline section (22), gas downstream thief hatch (9-3)
With the 3rd magnetic valve (8-3) and coordinate automatic control system realize；Detailed process is：Fill up suction to be measured by sorbent tube (14)
Attached dose, and be fixed on adsorbent ring (16), electronic balance (19) upper weighing initial mass is screwed into by oscillating cylinder (18),
Again sorbent tube (14) is screwed into below adsorption tanks (12), the first reciprocating air cylinder (21-1) and the second reciprocating air cylinder (21-2) will be inhaled
Attached dose of cylinder (14) is docked up and down and is clamped with adsorption tanks (12), is protected using the first sealing ring (13-1) and the second sealing ring (13-2)
Card system air-tightness；Air intlet A opens, and does not connect power-equipment, vavuum pump (23) is connected with gas outlet end C, closes second
Magnetic valve (8-2) and the 4th magnetic valve (8-4), open vavuum pump (23), and it is net that air passes through the first air filtration dehumidifier (2-1)
After change, by gas mixer (5) with the test gas mixing dehumidifying through air drying part (4) uniformly, by humiture
Real time humiture and pressure in sensor (10) and pressure sensor (11) monitoring pipeline, by the first temperature and humidity controller (7-
1) in adjustment system, humiture reaches in claimed range, and controls the first magnetic valve (8-1) to be less than opening of the 3rd magnetic valve (8-3)
Degree, the adsorptive pressure realizing test section is less than normal atmospheric pressure, monitors flow by the first electromagnetic flowmeter (6-1), and leads to
Cross absorption flow in vavuum pump (23) adjustment main body test system；After absorption test starts, by upstream gas thief hatch (9-
1), segmentation gas sampling mouth (9-2) and gas downstream thief hatch (9-3) connect gas concentration detector (20), monitor adsorbent
In front and back and adsorbent filled section various location adsorbed gas concentration, test terminate after, the first reciprocating air cylinder (21-1) and
Second reciprocating air cylinder (21-2) unclamps drop-down for adsorption tanks (12) lower end, and sorbent tube (14) is directly screwed into by oscillating cylinder (18)
On electronic balance (19), weigh adsorbance.
6. a kind of using method of sorbing material performance testing device as claimed in claim 1 is it is characterised in that described device
Modulatory character in certain pressure, temperature, humidity range for the desorption performance test system can be realized, when test adsorbent is in height
During desorption performance under normal atmospheric pressure, certain humiture, can be by air compressor (1), the second air filtration dehumidifier
(2-2), the second electromagnetic flowmeter (6-2), the second temperature and humidity controller (7-2), the 4th magnetic valve (8-4), upstream gas are sampled
Mouth (9-1), adsorption tanks (12), the first sealing ring (13-1), sorbent tube (14), annular sampling circle (15), adsorbent ring
(16), segmentation gas sampling mouth (9-2), gas concentration detector (20), the second sealing ring (13-2), elastic pipeline section (22), under
Faint breath sampler body mouth (9-3), the second magnetic valve (8-2) simultaneously coordinates automatic control system to realize, and detailed process is：By swinging gas
Cylinder (18) is screwed into adsorbent mass after electronic balance (19) upper weighing absorption, then sorbent tube (14) is screwed under adsorption tanks (12)
Sorbent tube (14) is docked up and down simultaneously by side, the first reciprocating air cylinder (21-1) and the second reciprocating air cylinder (21-2) with adsorption tanks (12)
Clamping, ensures main body test system air-tightness using the first sealing ring (13-1) and the second sealing ring (13-2)；Air is compressed
Machine (1) is connected with air intlet end D, closes the first magnetic valve (8-1) and the 3rd magnetic valve (8-3), opens air compressor
(1), air passes through the second air filtration dehumidifier (2-2) purification；By Temperature Humidity Sensor (10) and pressure sensor (11)
Real time humiture and pressure in monitoring pipeline, reach requirement using humiture in the second temperature and humidity controller (7-2) adjustment system
In the range of, and controlling the 4th magnetic valve (8-4) to be more than the aperture of the second magnetic valve (8-2), the desorption pressure realizing test section is high
In normal atmospheric pressure, flow is monitored by the second electromagnetic flowmeter (6-2), and by air compressor (1) adjustment system
Desorption flow, after desorption test starts, by upstream gas thief hatch (9-1), segmentation gas sampling mouth (9-2) and gas downstream
Thief hatch (9-3) connects gas concentration detector (20), and monitoring is desorbed before and after testing and adsorbent filled section various location
Gas concentration, after test terminates, the first reciprocating air cylinder (21-1) and the second reciprocating air cylinder (21-2) are by adsorption tanks (12) lower end
Drop-down unclamp, oscillating cylinder (18) directly sorbent tube (14) is screwed on electronic balance (19), weigh desorption after adsorbent matter
Amount；
When testing adsorbent when less than desorption performance under normal atmospheric pressure, certain humiture, can by vavuum pump (23), the
Two air filtration dehumidifiers (2-2), the second electromagnetic flowmeter (6-2), the second temperature and humidity controller (7-2), the 4th magnetic valve (8-
4), upstream gas thief hatch (9-1), adsorption tanks (12), the first sealing ring (13-1), sorbent tube (14), annular sampling circle
(15), adsorbent ring (16), segmentation gas sampling mouth (9-2), gas concentration detector (20), the second sealing ring (13-2),
Elastic pipeline section (22), gas downstream thief hatch (9-3), the second magnetic valve (8-2) simultaneously coordinates automatic control system to realize；Concrete mistake
Cheng Wei：It is screwed into by oscillating cylinder (18) that electronic balance (19) is upper to weigh adsorbent mass after absorption, then by sorbent tube (14)
It is screwed into below adsorption tanks (12), the first reciprocating air cylinder (21-1) and the second reciprocating air cylinder (21-2) by sorbent tube (14) and adsorb
Tank (12) docks up and down and clamps, and ensures main body test system gas using the first sealing ring (13-1) and the second sealing ring (13-2)
Close property；Air intlet end D opens, and connects vavuum pump (23) and gas outlet end B, closes the first magnetic valve (8-1) and the 3rd electricity
Magnet valve (8-3), opens vavuum pump (23), and air passes through the second air filtration dehumidifier (2-2) and purifies；By Temperature Humidity Sensor
(10) and pressure sensor (11) monitoring pipeline in real time humiture and pressure, using the second temperature and humidity controller (7-2) adjustment
In system, humiture reaches in claimed range, and controls the 4th magnetic valve (8-4) to be less than the aperture of the second magnetic valve (8-2), real
The desorption pressure of existing test section is less than normal atmospheric pressure, monitors flow by the second electromagnetic flowmeter (6-2), and passes through vacuum
Desorption flow in pump (23) adjustment system；After desorption test starts, by upstream gas thief hatch (9-1), segmentation gas sampling
Mouth (9-2) and gas downstream thief hatch (9-3) connect gas concentration detector (20), and monitoring is desorbed before and after testing and adsorbent
The gas concentration of filled section various location；After test terminates, the first reciprocating air cylinder (21-1) and the second reciprocating air cylinder (21-2)
Unclamp drop-down for adsorption tanks (12) lower end, oscillating cylinder (18) directly sorbent tube (14) is screwed on electronic balance (19), claim
Adsorbent mass after amount desorption.
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| CN204008584U (en) * | 2014-05-30 | 2014-12-10 | 北京市劳动保护科学研究所 | Denitrating catalyst demercuration performance testing device |
| CN203990241U (en) * | 2014-07-23 | 2014-12-10 | 同济大学 | Charcoal absorption in a kind of experimental teaching and desorption apparatus |
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2015
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024006754A1 (en) * | 2022-06-27 | 2024-01-04 | Calgon Carbon Corporation | Hydrocarbon adsorber testing device and method |
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