CN105628736A - Device and method for testing adsorption heat effect of adsorbent - Google Patents
Device and method for testing adsorption heat effect of adsorbent Download PDFInfo
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/02—Investigating or analyzing materials by the use of thermal means by investigating changes of state or changes of phase; by investigating sintering
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
Abstract
The invention provides a device and method for testing adsorption heat effect of adsorbent, relates to the technical field of environmental protection and energy conservation, in particular to a device and method for testing the heat effect generated when the adsorbent conducts adsorption. By means of the testing device and testing method, temperature field distribution and product concentration change situation at an outlet can be tested when the adsorbent conducts adsorption, the influence degree of loading and unloading quantity of the adsorbent, different types of the adsorbent, different gas flow and different environments where the adsorbent is located on the parameters can be further tested, and the influence factors are analyzed and evaluated; through heating, the ignition temperature point of the adsorbent can be directly tested, so that a theoretical basis and a test basis are provided for lowering dangers brought out by adsorbed heat of the adsorbent; besides, by means of the testing device and testing method, the adsorption property of the adsorbent can be also evaluated.
Description
Technical field
This patent relates to petroleum vapor recovery field, specifically, refers in particular to and measures all kinds of adsorbent heat effect device and testing method.
Background technology
Oil product is in storage, transmitting-receiving, sales process, and owing to being subject to the restriction of technique, technology, equipment, the impact of the factors such as the gas-liquid phase volume of temperature, air pressure and splendid attire oil product container, unavoidably produces the vapour loss of oil gas. Showing according to statistics, the oil gas of evaporation accounts for about the 3% of crude production total amount. A large amount of Loss of Oil Evaporations, not only cause serious financial loss, and seriously have impact on the quality of oil product, the a large amount of oil gas being evaporated in air also serious threat to the safety in oil product storage transportation, very easily cause blast, but also serious threat is to the health also contaminate environment of human body.
Absorption method is a kind of important basic skills in petroleum vapor recovery. In adsorption method, owing to gac has bigger specific surface area, bigger porosity, stable performance, the advantage such as anticorrosive, utilize gac to carry out the separation of oil-gas component as sorbent material active adsorption oil gas, receive in the industry and use widely. At present, a lot of industry field all employ gac to reclaim organic exhaust gas, especially at field of environment protection.
When utilizing sorbent material to be reclaimed by oil gas, owing to absorption is an exothermic process, gas concentration is more high, absorption release heat is also more many, and general sorbent material thermal conductivity is less, the heat gathered cannot be discharged in time, cause the temperature of sorbent material more and more higher, easily cause sorbent material firing accident, especially gac is in process ketone class, during the solvent that aldehyde class etc. are easily oxidized, due to the accumulation of the gac heat of oxidation, heat up, and also have the katalysis of gac, firing accident can be there is in gac, the U.S., Japan, Germany and domestic recently have the related accidents of media to report, related accidents causes great loss to enterprise.
Accordingly, it is intended to a kind of adsorbent heat effect test set of exploitation. Heat of adsorption when utilizing the present invention can measure various adsorbent, and measure sorbent material in different factors (such as different adsorbate, various inlet, concentration of giving vent to anger, gas with various environment etc. residing for sorbent material) impact under heat of adsorption, and heat of adsorption different affecting factors is evaluated, thus control heat of adsorption danger for taking measures and theoretical basis and test basis are provided, simultaneously, the kindling temperature of sorbent material can also be measured, and by the present invention, the calculation formula of existing heat of adsorption effect can also be demarcated and error evaluation.
Feature according to the present invention, retrieved domestic and international patent database, there is not yet the patent report about adsorbent heat effect test set.
Summary of the invention
The present invention is intended to develop a kind of adsorbent heat effect test set, utilize the present invention, the heat of adsorption produced when can measure various adsorbent, and measure the heat of adsorption of sorbent material under different factors affects, and the different affecting factors of the heat that absorption produces evaluated, thus control for taking measures and reduce the thermogenetic danger of absorption to provide theoretical basis and test basis; Simultaneously, it is also possible to measure the kindling temperature of sorbent material, and by the present invention, the calculation formula of existing heat of adsorption effect can also be demarcated and error evaluation.
The kindling temperature point of adsorption column thermo parameters method situation, adsorption column outlet production concentration changing conditions and sorbent material when the content measurement of the present invention mainly comprises adsorbent.
The technical scheme of the present invention is:
(1) device to test ultimate principle: disposed at equal distance several highly sensitive temperature test point in adsorption column, utilize multi way temperature determinator to measure the thermo parameters method of adsorption column, then it is sent to concentration determination instrument from air hatch extracting gases and carries out production concentration detection. When adsorbent temperature reaches kindling temperature point, outlet product C O concentration can increase severely, and thus can judge sorbent material kindling temperature time point, and then measured the kindling temperature of sorbent material by multi way temperature tester.
(2) adsorbent heat effect approximate formula is utilized, namely volatile organic gas air inlet total amount is utilized and total amount of giving vent to anger, and the total handling amount going out amount and sorbent material of air is to calculate the heat of adsorption of sorbent material, carries out heat of adsorption effect formula with test and demarcate and errot analysis. Heat of adsorption calculation of effect formula is as shown in (1).
In formulaIt is respectively volatile organic gas air inlet total amount and total amount of giving vent to anger;
GacIt is respectively the total handling amount amount and sorbent material of air;
cac��It is respectively the specific heat capacity of volatile organic gas, air, gac, liquefaction oil gas;
Q, �� h is respectively adsorbent amount, g/g, and adsorbent heat, is worth for 628J/g.
(3) a kind of adsorbent heat effect test set described in: produce system, adsorption system, heating system, Data collection and precessing system, security system and process pipeline by organic gas and accessory forms.
(4) a kind of adsorbent heat effect test set described in, organic gas produces system and it is characterized in that: by N2Bottle, air container, O2Bottle, gas produce bottle, thermostat(t)ed water bathing pool, gas buffer bottle composition, utilize N2, air or O2The mode of gas purging liquid produces volatile organic gas, produces gas flow at 3.0��9.0m3/h��
(5) a kind of adsorbent heat effect test set described in, the feature of adsorption system is: by adsorption column with some in adsorption column the vertical multi way temperature tester sensor equidistantly distributed form; The diameter of adsorption column and height change along with the requirement of test, the diameter of adsorption column is at 50��200mm, height is at 100��400mm, 10��20mm bottom the import distance adsorption column of gas, bottom adsorption column inner distance import, 10��30mm place arranges one piece of fine and closely woven screen cloth, opens 3��5 mouths at the top of adsorption column; The number of probes of multi way temperature tester, with the height change of adsorption column, is designed to 4��5, the scope of measured temperature at-50��500 DEG C, precision �� 0.1 DEG C.
(6) a kind of adsorbent heat effect test set described in, the feature of its heating system is: be made up of spiral heater, directly it is enclosed within adsorption column outside surface to heat, well heater is additional, and high-performance thermal insulation layer 2��3cm control surface temperature is not less than 60 DEG C, the Simultaneously test adsorbent temperature of heating adsorption agent and CO concentration, CO2The change of concentration, and can be used to judge the kindling temperature of sorbent material. The power size of well heater is at 1.0��1.5kW, and the Heating temperature that can reach is at 400��500 DEG C.
(7) a kind of adsorbent heat effect test set described in, the feature of its Data collection and precessing system is: by mass flowmeter, CO concentration determination instrument, CO2Concentration determination instrument, O2Concentration determination instrument, VOCs concentration determination instrument, tensimeter, outlet CO concentration determination instrument, outlet CO2Concentration determination instrument, outlet VOCs concentration determination instrument composition, determine absorption in adsorption process by concentration determination instrument and produce the concentration of thing, and the temperature in adsorption process is measured by multi way temperature determinator; The useful range of under meter by testing required condition determine, general test mass flowmeter is surveyed scope at 0��20.0m3/ h, flow measurement error �� 0.05%; Described concentration determination instrument (CO concentration determination instrument, CO2Concentration determination instrument, O2Concentration determination instrument, VOCs concentration determination instrument), the gas concentration scope measured is at 0��10mg/m3, measuring error �� 0.1%; The scope of described manometric institute measuring pressure is at 0��1.0MPa, measuring error �� 100Pa.
(8) a kind of adsorbent heat effect test set described in, the feature of its security system is: be made up of fire-proof and explosion-proof isolation plate and tap water fire extinguishing apparatus, be stained with in fire-proof and explosion-proof dividing plate high-performance refractory asbestos pad its thick be 1��1.5cm, the > of resistance to stamping press 1MPa, it is used for the danger preventing may blast in adsorption process, water supplying unit is by solenoid control, when in adsorption column during temperature >=400 DEG C magnetic valve automatically open, put sorbent material out by water, prevent fire failure, thus ensure the personnel safety of test personnel.
(9) a kind of adsorbent heat effect test set described in, the mode of connection of each equipment of device is: gas cylinder N2Bottle, air container, O2Bottle, organic liquid bottle, gas buffer bottle are connected successively by pipeline; Mass flowmeter, tensimeter, thermometer are connected on the pipeline after gas buffer bottle successively, import CO concentration determination instrument, import CO2Concentration determination instrument, import O2Concentration determination instrument and import VOCs concentration determination instrument are connected respectively on pipeline again; Then pipeline is connected into from the bottom of adsorption column device, and the sensor of multi way temperature tester is put into adsorption column; Outlet CO concentration determination instrument, outlet CO2Concentration determination instrument, outlet O2Concentration determination instrument and outlet VOCs concentration determination instrument are connected on the outlet line of adsorption column, and the caliber size of pipeline is at 20��30mm, and the gas flow rate of pipeline is between 5��8m/s, and superficial velocity is between 0.1��0.3m/s.
(10) testing method of a kind of adsorbent heat effect test set described in, carries out according to the following steps:
1. take sorbent material with precision balance some, load in adsorption column;
2. get organic solvent some, load in organic liquid bottles;
3. according to accompanying drawing 1 mode joint test device;
4., when the dynamic adsorption and heat effect that carry out sorbent material are tested, N is opened2Bottle or air container, blow or air-blowing to organic liquid bottle, forms mixed gas gas source and enters adsorption column, records CO concentration, the CO of experimentation adsorption column import and outlet simultaneously2Concentration, O2Concentration, VOCs concentration, and pressure P and temperature T and flow VS; Reach capacity when adsorbent or export CO concentration or outlet CO2After concentration over-standard, just stop test, thus obtain adsorption breakthrough curve and heat of adsorption effect curve;
5., when the kindling temperature carrying out sorbent material specially measures, O is opened2Bottle, blows or air-blowing to organic liquid bottle, forms mixed gas gas source and enters adsorption column, is heated by adsorption column spiral heater simultaneously. At experimentation, record CO concentration, the CO of adsorption column import and outlet simultaneously2Concentration, O2Concentration, VOCs concentration, and pressure P and temperature T and gas flow VS. When adsorbent temperature or outlet CO concentration or outlet CO2When concentration is increased significantly, so that it may to think that sorbent material reaches kindling temperature, stops test immediately, and close O2Bottle and the valve in organic liquid bottle inlet line, and open N2Bottle, directly enters adsorption column from the bypass of organic liquid bottle and carries out blowing sweeping, with the temperature that reduces adsorption column or the tap water fire extinguishing apparatus directly opened on adsorption column, it is achieved safety precaution;
6. terminate the dynamic adsorption of sorbent material or after kindling temperature tests, close each valve successively, release the residual solvent in organic liquid bottle, terminate experiment.
The advantage of described a kind of adsorbent heat effect determinator has:
(1) device arrange simply, safety, effectively, it is possible to more accurately measure sorbent material dynamic adsorption and heat effect.
(2) device can measure the heat of adsorption of all kinds of sorbent material under different affecting factors, and influence factor is analyzed, thus have an accident for reducing sorbent material to produce heat of adsorption and provide measured data foundation.
(3) device is while measuring adsorbent heat effect, it is also possible to measures adsorbent outlet product, and carries out the analysis of composition, concentration.
(4) device is simple to operate, safety, and the fire-proof and explosion-proof baffle plate of setting can reduce the danger of adsorption unit in adsorption process very well, thus ensures the safety of experimenter.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of adsorbent heat effect test set of the present invention.
Reference numeral lists as follows:
1��N2Bottle, 2 air containers, 3 O2Bottle, 4,5,6,7,8,11,20 valves, 9 organic liquid bottles, 10 thermostat(t)ed water bathing pools, 12 gas buffer bottles, 13 mass flowmeters, 14 import CO concentration determination instrument, 15 import CO2Concentration determination instrument, 16 import O2Concentration determination instrument, 17 import VOCs concentration determination instrument, 18 tensimeters, 19 thermometers, 21 spiral heaters, 22 fire-proof and explosion-proof baffle plates, 23 test tables, 24 testing tables, 25 heating coil supply leads, 26 adsorption columns, 27 tap water water-ins, 28 magnetic valves, 29 outlet CO concentration determination instrument, 30 outlet CO2Concentration determination instrument, 31 outlet O2Concentration determination instrument, 32 outlet VOCs concentration determination instrument, 33 multi way temperature determinators
Accompanying drawing 2 is front view (a) and the vertical view (b) of adsorption column.
Reference numeral lists as follows:
35 gas inletes, 36 sorbent material overside ports, 37 screen clothes, 38 outlet products, 40 tap water enter, 42 multi way temperature determinators, 39,41 mouths for subsequent use.
Embodiment
Below by some embodiments, this patent is specifically described, but the present invention does not limit by embodiment:
Case study on implementation one:
This patent take gac as adsorbent toluene is example, measures charcoal absorption heat effect;
1 gas cylinder N2Bottle (1), air container (2), O2Bottle (3), organic liquid bottle (9), gas buffer bottle (12) are connected successively by pipeline; Mass flowmeter (13), tensimeter (18), thermometer (19) are connected on the pipeline after gas buffer bottle (12) successively, import CO concentration determination instrument (14), import CO2Concentration determination instrument (15), import O2Concentration determination instrument (16) and import VOCs concentration determination instrument (17) are connected respectively on pipeline again; Then pipeline is connected into from the bottom of adsorption column (26), and the sensor (33) of multi way temperature tester is put into adsorption column (26); Outlet CO concentration determination instrument (29), outlet CO2Concentration determination instrument (30), outlet O2Concentration determination instrument (31) and outlet VOCs concentration determination instrument (32) are connected on the outlet line of adsorption column (26), and the caliber size of pipeline is 20mm, the gas flow rate 5m/s of pipeline;
2 utilize N2Blow the mode sweeping toluene solution and produce toluene gas, produce gas flow 4.0m3/ h;
3 adsorption columns (26) diameter 100mm, high 200mm, bottom adsorption column (26) inner distance import, 10mm place arranges one piece of fine and closely woven screen cloth (37), 20mm bottom the distance adsorption column of gas inlet, opening 5 mouths at the top of adsorption column (26), the number of probes of multi way temperature tester (33) is designed to 5;
Mass flowmeter (13), import CO concentration determination instrument (14), import CO in 4 record experimentations2Concentration determination instrument (15), import O2Concentration determination instrument (16), import VOCs concentration determination instrument (17), tensimeter (18), outlet CO concentration determination instrument (29), outlet CO2Concentration determination instrument (30), outlet VOCs concentration determination instrument (32) institute measured value, determine the concentration of absorption resultant according to the change of concentration; Temperature in adsorption process is measured by multi way temperature determinator (33); Measure its experimental procedure of charcoal absorption heat effect as follows:
1) take gac 650.0g with precision balance, load in adsorption column (26);
2) get the toluene of 100.0mL, load in organic liquid bottles (9), utilize N2Blow the mode sweeping toluene liquid and produce toluene gas, produce gas flow at 4.0m3/ h;
3) according to accompanying drawing 1 mode joint test device;
4) N is opened when carrying out dynamic adsorption and the heat effect experiment of sorbent material2Bottle (1) opens valve (5), valve (7), valve (11), valve (20), organic liquid bottle (9) is blown or air-blowing, form mixed gas gas source and enter adsorption column (26), record CO concentration, the CO of adsorption column import and outlet in experimentation simultaneously2Concentration, O2Concentration, VOCs concentration, and pressure P and temperature T and flow VS; Reach capacity when adsorbent or export CO concentration or outlet CO2After concentration over-standard, just stop test, thus obtain adsorption breakthrough curve and heat of adsorption effect curve;
5) close each valve successively, release the residual solvent in organic liquid bottle (9), terminate experiment.
Case study on implementation two:
This patent take gac as adsorbent toluene is example, measures gac kindling temperature;
1 gas cylinder N2Bottle (1), air container (2), O2Bottle (3), organic liquid bottle (9), gas buffer bottle (12) are connected successively by pipeline; Mass flowmeter (13), tensimeter (18), thermometer (19) are connected on the pipeline after gas buffer bottle (12) successively, import CO concentration determination instrument (14), import CO2Concentration determination instrument (15), import O2Concentration determination instrument (16) and import VOCs concentration determination instrument (17) are connected respectively on pipeline again; Then pipeline is connected into from the bottom of adsorption column (26), and the sensor (33) of multi way temperature tester is put into adsorption column (26); Outlet CO concentration determination instrument (29), outlet CO2Concentration determination instrument (30), outlet O2Concentration determination instrument (31) and outlet VOCs concentration determination instrument (32) are connected on the outlet line of adsorption column (26), and the caliber size of pipeline is 20mm, the gas flow rate 5m/s of pipeline;
2 utilize O2Blow the mode sweeping toluene solution and produce toluene gas, produce gas flow 4.0m3/ h;
3 adsorption columns (26) diameter 100mm, high 200mm, bottom adsorption column (26) inner distance import, 10mm place arranges one piece of fine and closely woven screen cloth (37), 20mm bottom the distance adsorption column of gas inlet, opening 5 mouths at the top of adsorption column (26), the number of probes of multi way temperature tester (33) is designed to 5;
4 spiral heaters (21) are directly enclosed within adsorption column (26) outside surface and heat, well heater is additional, and high-performance thermal insulation layer 2cm control surface temperature is not less than 60 DEG C, by multi way temperature determinator (33), outlet CO concentration determination instrument (29) and outlet CO while heating adsorption agent2Concentration determination instrument (30) measures heat of adsorption and CO concentration, CO2The change of concentration, judges the kindling temperature of sorbent material.
The kindling temperature of sorbent material measure its experimental procedure as follows described in:
1) take gac 650.0g with precision balance, load in adsorption column (26);
2) get the toluene of 100.0mL, load in organic liquid bottles (9), utilize N2Blow the mode sweeping toluene liquid and produce toluene gas, produce gas flow at 4.0m3/ h;
3) according to accompanying drawing 1 mode joint test device;
4) the kindling temperature mensuration carrying out sorbent material opens O2Bottle (3), blows or air-blowing to organic liquid bottle (9), forms mixed gas gas source and enters adsorption column (26), is heated by adsorption column spiral heater (21) simultaneously. At experimentation, record CO concentration, the CO of adsorption column import and outlet simultaneously2Concentration, O2Concentration, VOCs concentration, and pressure P and temperature T and gas flow VS. When adsorbent temperature or outlet CO concentration or outlet CO2When concentration is increased significantly, so that it may to think that sorbent material reaches kindling temperature, stops test immediately, and close O2Valve (7) in bottle (3) and organic liquid bottle (9) inlet line, and opens N2Bottle (1), directly enters adsorption column (26) from the bypass of organic liquid bottle and carries out blowing sweeping, with the temperature that reduces adsorption column or the tap water fire extinguishing apparatus directly opened on adsorption column, it is achieved safety precaution;
5) close each valve successively, release the residual solvent in organic liquid bottle (9), terminate experiment.
Kindling temperature during table 1 charcoal absorption toluene
Claims (9)
1. an adsorbent heat effect test set, produces system, adsorption system, heating system, Data collection and precessing system, security system and process pipeline by organic gas and accessory forms.
2. organic gas as claimed in claim 1 produces system, it is characterized in that: gas generating system is by N2Bottle (1), air container (2), O2Bottle (3), gas produces bottle (9), and thermostat(t)ed water bathing pool (10) gas buffer bottle (12) forms, and utilizes N2, air or O2The mode of gas purging liquid produces volatile organic gas, and the gas flow of generation is at 3.0��9.0m3/h��
3. adsorption system as claimed in claim 1, is characterized in that: adsorption system by adsorption column (26) and some individual in adsorption column the vertical temperature-indicating instrument sensor (33) equidistantly distributed form; The diameter of adsorption column and height change along with the requirement of test, the diameter of adsorption column is at 100��200mm, height is at 100��300mm, gas feed distance adsorption column (26) bottom 10��20mm, in adsorption column (26), bottom distance import, 10��30mm place arranges one piece of fine and closely woven screen cloth (37), reserved gas buffer space; The probe number of multi way temperature sensor, with the height change of adsorption column (26), is designed to 4��5, the scope of measured temperature at-50��500 DEG C, precision �� 0.1 DEG C.
4. heating system as claimed in claim 1, it is characterized in that: heating system is made up of spiral heater (21), directly it is enclosed within adsorption column (26) outside surface to heat, well heater is additional, and high-performance thermal insulation layer 2��3cm control surface temperature is not less than 60 DEG C, the Simultaneously test heat of adsorption of heating adsorption agent and CO concentration, CO2The change of concentration, and can be used to judge the kindling temperature of sorbent material, the power size of well heater is at 1.0��1.5kW, and the Heating temperature that can reach is at 400��500 DEG C.
5. data collecting system as claimed in claim 1 and treatment system, is characterized in that: data collecting system and treatment system are by mass flowmeter (13), import CO concentration determination instrument (14), import CO2Concentration determination instrument (15), import O2Concentration determination instrument (16), import VOCs concentration determination instrument (17), tensimeter (18), thermometer (19), outlet CO concentration determination instrument (29), outlet CO2Concentration determination instrument (30), outlet VOCs concentration determination instrument (32) composition, determine absorption in adsorption process by concentration determination instrument and produce the concentration of thing; Temperature in adsorption process is measured by multi way temperature determinator (33); The useful range of under meter by testing required condition determine, general test mass flowmeter is surveyed scope at 0��20.0m3/ h, flow measurement error �� 0.05%; Described concentration determination instrument (CO concentration determination instrument, CO2Concentration determination instrument, O2Concentration determination instrument, VOCs concentration determination instrument), the gas concentration scope measured is at 0��10mg/m3, measuring error �� 0.1%; The scope of described manometric institute measuring pressure is at 0��1.0MPa, measuring error �� 100Pa.
6. security system as claimed in claim 1, it is characterized in that: be made up of fire-proof and explosion-proof isolation plate (22) and tap water fire extinguishing apparatus, be stained with in fire-proof and explosion-proof dividing plate high-performance refractory asbestos pad its thick be 1��1.5cm, the > of resistance to stamping press 1Mpa, it is used for the danger preventing may blast in adsorption process, water supplying unit by solenoid control, when in adsorption column during temperature >=400 DEG C magnetic valve (28) automatically open, put sorbent material out by water.
7. a kind of adsorbent heat effect test set as claimed in claim 1, is characterized in that: the mode of connection of each equipment is, gas cylinder [N2Bottle (1), air container (2), O2Bottle (3)], organic liquid bottle (9), gas buffer bottle (12) connected successively by pipeline; Mass flowmeter (13), tensimeter (18), thermometer (19) are connected on the pipeline after gas buffer bottle (12) successively; Import CO concentration determination instrument (14), import CO2Concentration determination instrument (15), import O2Concentration determination instrument (16), and import VOCs concentration determination instrument (17) more respectively connect on get on gas pipeline; Then pipeline is connected into from the bottom of adsorption column, and the end of multi way temperature sensing instrument (33) is put into adsorbent bed; Outlet CO concentration determination instrument (29), outlet CO2Concentration determination instrument (30), outlet O2Concentration determination instrument (31), and outlet VOCs concentration determination instrument (32) is connected on adsorption column outlet product pipeline, the caliber size of this pipeline is at 20��30mm, and the gas flow rate of pipeline is between 5��8m/s, and superficial velocity is between 0.1��0.3m/s.
8. the testing method of a kind of adsorbent heat effect test set as claimed in claim 1, it is characterized in that: when the dynamic adsorption and heat effect that carry out sorbent material are tested, take sorbent material with precision balance some, load in adsorption column (26); Get organic solvent some, load in organic liquid bottles (9); Open N2Bottle (1) or air container (2), blow or air-blowing to organic liquid bottle (9), forms mixed gas gas source and enters adsorption column (26), records CO concentration, the CO of experimentation adsorption column import and outlet simultaneously2Concentration, O2Concentration, VOCs concentration, and pressure P and temperature T and flow VS; Reach capacity when adsorbent or export CO concentration or outlet CO2After concentration over-standard, just stop test, thus obtain adsorption breakthrough curve and heat of adsorption effect curve; Close each valve successively, release the residual solvent in organic liquid bottle (9), terminate experiment.
9. the testing method of a kind of adsorbent heat effect test set as claimed in claim 1, is characterized in that: when the kindling temperature carrying out sorbent material specially measures, takes sorbent material with precision balance some, loads in adsorption column (26); Get organic solvent some, load in organic liquid bottles (9); Open O2Bottle (3), blows or air-blowing to organic liquid bottle (9), forms mixed gas gas source and enters adsorption column (26), is heated by adsorption column spiral heater (21) simultaneously; Record CO concentration, the CO of adsorption column import and outlet simultaneously2Concentration, O2Concentration, VOCs concentration, and pressure P and temperature T and gas flow VS, when adsorbent temperature or outlet CO concentration or outlet CO2When concentration is increased significantly, illustrate that sorbent material reaches kindling temperature, stop test immediately, close O2Bottle and the valve (7) in organic liquid bottle inlet line, open N2Bottle (1), directly enters adsorption column (26) from the bypass of organic liquid bottle (9) and carries out blowing sweeping, with the temperature that reduces adsorption column or the tap water fire extinguishing apparatus directly opened on adsorption column, it is achieved safety precaution; Close each valve successively, release the residual solvent in organic liquid bottle (9), terminate experiment.
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| CN106918526A (en) * | 2017-04-14 | 2017-07-04 | 中国石油化工股份有限公司 | The quick method for determining petroleum vapor recovery sorbing material adsorption desorption performance |
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| CN108132276A (en) * | 2016-12-01 | 2018-06-08 | 中国科学院大连化学物理研究所 | A kind of measurement gas（Liquid）The device and method of solid phase interaction strength |
| CN109781931A (en) * | 2017-11-10 | 2019-05-21 | 宁夏宝塔化工中心实验室(有限公司) | A kind of active carbon gas absorption performance simulating-estimating device |
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| CN110553867A (en) * | 2019-09-16 | 2019-12-10 | 湖北华强科技有限责任公司 | Device and method for testing relationship between protection capability of filter element and bed temperature and operation method |
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| CN116626246B (en) * | 2023-07-24 | 2023-10-20 | 四川空分设备(集团)有限责任公司 | Low-temperature adsorption testing device and testing method thereof |
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