CN203881743U - Device for testing absorbability of carbon dioxide absorbent - Google Patents
Device for testing absorbability of carbon dioxide absorbent Download PDFInfo
- Publication number
- CN203881743U CN203881743U CN201420287046.1U CN201420287046U CN203881743U CN 203881743 U CN203881743 U CN 203881743U CN 201420287046 U CN201420287046 U CN 201420287046U CN 203881743 U CN203881743 U CN 203881743U
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- CN
- China
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- carbon
- dioxide absorbent
- proving installation
- exsiccator
- gas
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The utility model discloses a device for testing the absorbability of a carbon dioxide absorbent. The device comprises a gas circulating system, and a carbon dioxide injecting system, a pressurizing system, a decompressing system and a CO2 analyzer which are respectively connected with the gas circulating system, wherein the gas circulating system comprises an air storage tank, a purifying tank connected with the outlet of the air storage tank, a dryer connected with the outlet of the purifying tank; the outlet of the dryer is connected with the inlet of the air storage tank; an air blower for driving gas circulation is arranged in the air storage tank; the carbon dioxide absorbent fills the purifying tank; the carbon dioxide injecting system is connected with the inlet of the air storage tank; the CO2 analyzer is connected to a pipeline at the outlet of the dryer. According to the utility model, an air compressor or a vacuum pump and the air blower are utilized to simulate a working environment of the carbon dioxide absorbent and to realize circulation of gas in the device; meanwhile, a set amount of CO2 is input into the test device according to test requirements, and the CO2 analyzer is used for detecting the absorbability of the carbon dioxide absorbent. The device has the advantages of being convenient to use, and accurate in test structure.
Description
Technical field
The utility model belongs to air purifying process field, is specifically related to a kind of absorptive character proving installation of carbon-dioxide absorbent.
Background technology
Carbon dioxide absorption is an important research direction of air purification field, all has application more widely at space flight, aviation and civil area.For example, in the time carrying out out of my cabin task, in order to ensure that gas concentration lwevel in spacefarer's space suit is in allowed band, the carbon dioxide that need to absorb astronaut metabolism generation by the purifying carbon dioxide device in suit, to realize gas concentration lwevel control and adjusting, wherein mainly relies on the carbon-dioxide absorbent of filling in purification plant to absorb CO
2control its concentration, to ensure spacefarer's life security and healthy.High performance carbon-dioxide absorbent is the key in carbon dioxide absorption research, in carbon-dioxide absorbent development process, need its performance to test in a large number, thereby development obtains high performance carbon-dioxide absorbent, and therefore developing a kind of absorptive character of carbon-dioxide absorbent cheaply proving installation has larger practicality.
Summary of the invention
The purpose of this utility model is the tests of absorptive character in order to meet carbon-dioxide absorbent, and a kind of can be used for simulating various pressure environment carbon dioxide absorbing agent serviceabilitys, cost is low, test structure is accurate, easy to use carbon-dioxide absorbent absorptive character proving installation are provided.
The technical solution of the utility model is: comprise gas-circulating system, the carbon dioxide injection system, compression system, depressurized system and the CO that are connected with gas-circulating system respectively
2analyser; Described gas-circulating system comprises: air accumulator, export the purification pot that is connected, export with purification pot the exsiccator being connected with air accumulator, the outlet of exsiccator is connected with air accumulator import, thereby realizes the airflow circulating in whole loop; The in-built blower fan that drives gas circulation that is useful on of air accumulator, is filled with carbon-dioxide absorbent in purification pot; Described carbon dioxide injection system is connected with air accumulator import; Described CO
2analyser is connected on the pipeline in exit of exsiccator.
Described carbon dioxide injection system comprises CO
2gas cylinder, CO
2the export pipeline of gas cylinder is provided with CO
2flowmeter, CO
2flow control valve.
The export pipeline of described air accumulator is provided with air flowmeter, first flow variable valve.
Described compression system, depressurized system are connected on the pipeline between air accumulator and exsiccator.
Described compression system comprises air compressor, and the inlet ductwork of air compressor is provided with second adjustable valve, the second stop valve.
Described depressurized system comprises vacuum pump, and the inlet ductwork of vacuum pump is provided with the 3rd flow control valve, the 3rd stop valve, and the export pipeline of vacuum pump is provided with pouch.
Also comprise the pressure transducer for detection of gas-circulating system internal pressure on the pipeline being arranged between air accumulator and exsiccator, pressure transducer, between compression system and depressurized system, is convenient to compression system and depressurized system and is shared a switch board.
Also comprise with pressure transducer, compression system, depressurized system and being connected respectively for the gas-circulating system internal pressure value control compression system detecting according to pressure transducer, the switch board of depressurized system opening/closing.
In described exsiccator, drying agent is housed, described drying agent is anhydrous calcium chloride.
On the end cap of described purification pot, exsiccator, silicone rubber O-ring is housed.
The utility model is mainly used in the test of different pressures environment carbon dioxide absorbing agent absorptive character, to develop high performance carbon-dioxide absorbent.The utility model can utilize air compressor (or vacuum pump) and blower fan to simulate different carbon-dioxide absorbent working pressure (malleation, negative pressure or normal pressure) and carbon dioxide input condition, and the circulation of gas in implement device, simultaneously according to test request to the CO that inputs set amount in proving installation
2, pass through CO
2analyser detects the absorptive character of carbon-dioxide absorbent, thus the carbon dioxide absorption performance of test carbon-dioxide absorbent, and cost is low, test structure is accurate and easy to use.CO
2analyser can be used for testing the absorption efficiency that absolute pressure is the carbon-dioxide absorbent under low pressure, normal pressure and the high pressure between the kPa of 20kPa ~ 200.CO
2analyser should be installed on the exit of exsiccator, can reduce to greatest extent like this moisture content in recyclegas to CO
2the harmful effect that analyser causes.Compression system, depressurized system are preferably disposed on the inflow point of air accumulator, and only in the time needing the absorption efficiency of testing high voltage, low pressure carbon dioxide absorbing agent, just need to open work.
Brief description of the drawings
Fig. 1 is schematic diagram of the present utility model.
Embodiment
The utility model by gas-circulating system (containing being filled with the purification pot of carbon-dioxide absorbent and being filled with the exsiccator of anhydrous calcium chloride), carbon dioxide injection system, compression system and depressurized system and detection system totally five parts form.Utilize the working environment (malleation, negative pressure or normal pressure) of air compressor (or vacuum pump) and blower fan simulation carbon-dioxide absorbent, and the circulation of gas in implement device, simultaneously according to test request to the CO that inputs set amount in proving installation
2, pass through CO
2analyser detects the absorptive character of carbon-dioxide absorbent.
Gas-circulating system comprises air accumulator 8, be filled with the purification pot of carbon-dioxide absorbent, be filled with the exsiccator 15 of anhydrous calcium chloride, the in-built blower fan 9 that drives gas circulation that is useful on of air accumulator 8.Carbon-dioxide absorbent is seated in purification pot 13, by regulating first flow variable valve 12, makes the interior air flow property of purification pot 13 of filled with carbon dioxide absorbing agent can meet predetermined requirement.In exsiccator 15, add anhydrous calcium chloride as drying agent, according to the different additions of determining exsiccator of carbon-dioxide absorbent job specification (chemical property, physical property), the exsiccator of filling drying agent will keep good air flow property.The end cap of purification pot 13 and exsiccator 15 all adopts rubber seal rings for seal, and the mode of being bolted ensures that purification pot 13 and exsiccator 15 have good sealing in the time of work.
Carbon dioxide injection system comprises: CO
2gas cylinder 1 and reduction valve, hose adapter 2 and hose adapter 4, connecting hose 3, CO
2flowmeter 5 and CO
2flow control valve 6, this system is connected with air accumulator 8 imports by threeway 7.This system must be connected with air accumulator 8 imports, and enters in purification pot 13 with circulating current, is beneficial to CO
2absorption.CO
2gas cylinder 1 is 40L standard C O
2gas cylinder, carbon dioxide purity is wherein more than 99.5%, in when work to CO
2gas cylinder is fixed support device in addition.
Compression system comprises: air compressor 26, the second stop valve 25 and second adjustable valve 24.This system is connected with air accumulator 8 imports by threeway 23, by the rate of pressure rise in second adjustable valve 24 controllable testing devices.Compression system is preferably disposed on the inflow point of air accumulator 8, and only in the time needing the absorption efficiency of testing high voltage carbon dioxide absorbing agent, just need to open work.
Depressurized system comprises: vacuum pump 20, the 3rd stop valve 19 and the 3rd flow control valve 18.This system is connected with air accumulator 8 imports by threeway 17, by the decompression rate in the 3rd flow control valve 18 controllable testing devices.This system is also preferably disposed on the inflow point of air accumulator 8, and only in the time need to testing the absorption efficiency of low pressure carbon dioxide absorbing agent, just need to open work.
Pressure transducer 22 arranges in the gas circulation loop between compression system and depressurized system, for detection of the pressure in proving installation.When the pressure in proving installation higher or lower than set pressure time, pressure transducer 22 can open or cut out vacuum pump 20 or air compressor 26 automatically.
Compression system is in the time carrying out the test of high pressure (as 200kPa) carbon dioxide absorbing agent absorptive character, can first set pressure sensor 22 cut off values be 200kPa, then open the second stop valve 25, and second adjustable valve 24 is reached to maximum, then open air compressor 26 and inject air in proving installation.When the exert pressure in proving installation is closed control valve for small flows when approaching 200kPa again, until device internal pressure reaches 200kPa, at this moment air compressor 26 can quit work automatically.If the impermeability of whole proving installation is good, the pressure in proving installation can be stabilized in 200kPa left and right.Confirming that proving installation, without after leaking, can open carbon dioxide injection system, in device, inject the CO of set amount
2, start to carry out the test of carbon-dioxide absorbent absorptive character.If while causing pressure anomaly to reduce when system has micro-leakage, air compressor 26 work of can resetting automatically again, then to the air of supplement trace in proving installation.
Depressurized system is in the time carrying out the test of low pressure (as 20kPa) carbon dioxide absorbing agent absorptive character, can first set pressure sensor 22 cut off values be 20kPa, then open the 3rd stop valve 19, and the 3rd flow control valve 18 is reached to maximum, then open vacuum pump 20 air in proving installation is retracted to outside device.Close control valve for small flows when the pressure in proving installation reduces pressure to while approaching 20kPa, until device internal pressure reaches 20kPa, at this moment vacuum pump 20 can quit work automatically again.If the impermeability of whole proving installation is good, the pressure in proving installation can be stabilized in 20kPa left and right.Confirming that proving installation, without after leaking, can open carbon dioxide injection system, in device, inject the CO of set amount
2, start to carry out the test of carbon-dioxide absorbent absorptive character.If while causing pressure anomaly to raise when system has micro-leakage, vacuum pump 20 work of can resetting automatically again, is retracted to the minimum gas leaking in motion device outside device.Now also can pouch 21 be set in the outlet of vacuum pump 20, for collecting the minimum gas from releasing in installing, and pouch 21 is set in the exit of vacuum pump 20 can prevents that outside air from bleeding in auto levelizer from the exit of vacuum pump 20 simultaneously.
On the pipeline between air accumulator 8 and exsiccator 15, be provided with the pressure transducer 22 for detection of gas-circulating system internal pressure, pressure transducer 22 is between compression system and depressurized system.
The utility model also can comprise with pressure transducer 22, compression system, depressurized system and being connected respectively for the gas-circulating system internal pressure value control compression system detecting according to pressure transducer 22, the switch board 27 of depressurized system opening/closing, the optional GB101230002 type switch board with Shanghai Hao Fuman Electric Appliance Equipment Co., Ltd of switch board 27.
When use, first blower fan 9 is installed and is fixed on the bottom of air accumulator 8, the outlet of blower fan 9 is connected with the outlet of air accumulator 8, and blower fan 9 is connected with cable splice 10.Again the outlet of air accumulator 8 and air flowmeter 11, first flow variable valve 12, purification pot 13 and exsiccator 15 are linked, stop valve 28 is loaded on the pipeline between purification pot 13 and exsiccator 15 through threeway 14, and the outlet of exsiccator 15 is connected with the import of air accumulator 8 by threeway etc., composition air circulation system.
Then the dioxide bottle with reduction valve 1 is connected with air circulation system by plastic flexible pipe 3, carbon dioxide flow meter 5 and flow control valve 6 etc., composition carbon dioxide injection system.For ensureing that carbon dioxide mixes as far as possible with air, carbon dioxide injection system outlet should be located at the inflow point of air accumulator 8.
Then air compressor 26 is connected to composition compression system with air circulation system by the second stop valve 25, second adjustable valve 24 etc.Again vacuum pump 20 is also connected to composition depressurized system with air circulation system by the 3rd stop valve 19, the 3rd flow control valve 18 etc.Pressure transducer 22 is set between the pipeline being connected at both and air circulation system, and pressure transducer 22 changes pressure signal into current signal, and outputs to switch board 27, and switch board 27 is for controlling the opening and closing of compression system or depressurized system.
Finally by CO
2analyser 16 is installed on the exit of exsiccator 15, can reduce to greatest extent like this moisture content in recyclegas to CO
2the harmful effect that analyser causes.So far, a whole set of carbon-dioxide absorbent absorptive character proving installation installation.
When simulation negative pressure working environment, first the carbon-dioxide absorbent of set amount is packed in the purification pot 13 in air circulation system, and tighten the gland bonnet of purification pot, more appropriate anhydrous calcium chloride drying agent is packed in exsiccator 15 and tighten the gland bonnet of exsiccator.Then close the stop valve 28 on the second stop valve 25 and the air circulation system on compression system, and on pressure transducer 22, set the working pressure of proving installation.Open again the 3rd stop valve 19 on depressurized system, and the 3rd flow control valve 18 is reached to maximum, then open vacuum pump 20 air in proving installation is retracted to outside device, open the blower fan 9 in air circulation system simultaneously.When pressure in device under test is extracted into the setting value approaching on pressure transducer 22, can turn down the 3rd flow control valve 18, and regulate first flow variable valve 12, by reading the numerical value of air flowmeter 11, make air circulation air quantity reach setting value.When pressure in device under test reaches setting value, vacuum pump 20 can auto stop.Confirming that proving installation, without after leaking, can open carbon dioxide injection system, in device, inject the CO of set amount
2, and pass through CO
2analyser 16 is tested the absorptive character of carbon-dioxide absorbent.If while causing pressure anomaly to raise when system has micro-leakage, vacuum pump 20 work of can resetting automatically again, is retracted to the minimum gas leaking in motion device outside device.When the concentration of carbon dioxide in proving installation exceedes after setting value, off-test.Now can open stop valve 28, in device, inject air, after the inside and outside pressurization equilibration of device, then open the gland bonnet of purification pot 13 and exsiccator 15, take out the material after test, and by stand-by proving installation scrub.
When simulated normal pressure working environment, carbon-dioxide absorbent and drying agent are respectively charged into after purification pot 13 and exsiccator 15, can first close the 3rd stop valve 19 on the second stop valve 25, the depressurized system on compression system and the stop valve 28 on air circulation system, then open blower fan 9 and first flow variable valve 12 in air circulation system, reach and set after requirement until air circulation air quantity, can open carbon dioxide injection system and carry out the test of carbonoxide absorbing agent absorptive character.
When simulation malleation working environment, first just carbon-dioxide absorbent and drying agent are respectively charged into after purification pot 13 and exsiccator 15, close again the stop valve 28 on the 3rd stop valve 19 and the air circulation system on depressurized system, and on pressure transducer 22, set the working pressure of proving installation.Open again the second stop valve 25 on compression system, and second adjustable valve 24 is reached to maximum, then open air compressor 26 to the pressurized air that is filled with in proving installation, open the blower fan 9 in air circulation system simultaneously.When pressure in device under test is extracted into the setting value approaching on pressure transducer 22, can turn down second adjustable valve 24, and regulate first flow variable valve 12, make air circulation air quantity reach setting value.When pressure in device under test reaches setting value, air compressor 26 can auto stop.After confirming that proving installation is without leakage, can open carbon dioxide injection system, the absorptive character of test carbon-dioxide absorbent.If while causing pressure anomaly to reduce when system has micro-leakage, air compressor 26 work of can resetting automatically again supplements a small amount of pressurized air in device.When the concentration of carbon dioxide in proving installation exceedes after setting value, off-test.Now can open stop valve 28 exhaust outside device, after the inside and outside pressurization equilibration of device, then open the gland bonnet of purification pot 13 and exsiccator 15, take out the material after test, and by proving installation scrub.
Claims (10)
1. a carbon-dioxide absorbent absorptive character proving installation, is characterized in that: comprise gas-circulating system, the carbon dioxide injection system, compression system, depressurized system and the CO that are connected with gas-circulating system respectively
2analyser;
Described gas-circulating system comprises: air accumulator (8), export the purification pot (13) that is connected, export with purification pot (13) exsiccator (15) being connected with air accumulator (8), the outlet of exsiccator (15) is connected with air accumulator (8) import; The in-built blower fan (9) that drives gas circulation that is useful on of air accumulator (8), purification pot is filled with carbon-dioxide absorbent in (13);
Described carbon dioxide injection system is connected with air accumulator (8) import;
Described CO
2analyser (16) is connected on the pipeline in exit of exsiccator (15).
2. carbon-dioxide absorbent absorptive character proving installation according to claim 1, is characterized in that: described carbon dioxide injection system comprises CO
2gas cylinder (1), CO
2the export pipeline of gas cylinder (1) is provided with CO
2flowmeter (5), CO
2flow control valve (6).
3. carbon-dioxide absorbent absorptive character proving installation according to claim 1, is characterized in that: the export pipeline of described air accumulator (8) is provided with air flowmeter (11), first flow variable valve (12).
4. carbon-dioxide absorbent absorptive character proving installation according to claim 1, is characterized in that: described compression system, depressurized system are connected on the pipeline between air accumulator (8) and exsiccator (15).
5. according to the carbon-dioxide absorbent absorptive character proving installation described in claim 1 or 4, it is characterized in that: described compression system comprises air compressor (26), the inlet ductwork of air compressor (26) is provided with second adjustable valve (24), the second stop valve (25).
6. according to the carbon-dioxide absorbent absorptive character proving installation described in claim 1 or 4, it is characterized in that: described depressurized system comprises vacuum pump (20), the inlet ductwork of vacuum pump (20) is provided with the 3rd flow control valve (18), the 3rd stop valve (19), and the export pipeline of vacuum pump (20) is provided with pouch (21).
7. according to the carbon-dioxide absorbent absorptive character proving installation described in claim 1 or 4, it is characterized in that: also comprise the pressure transducer for detection of gas-circulating system internal pressure (22) on the pipeline being arranged between air accumulator (8) and exsiccator (15), pressure transducer (22) is between compression system and depressurized system.
8. carbon-dioxide absorbent absorptive character proving installation according to claim 7, is characterized in that: also comprise with pressure transducer (22), compression system, depressurized system and being connected respectively for the gas-circulating system internal pressure value control compression system detecting according to pressure transducer (22), the switch board (27) of depressurized system opening/closing.
9. carbon-dioxide absorbent absorptive character proving installation according to claim 1, is characterized in that: described exsiccator is equipped with drying agent in (15), described drying agent is anhydrous calcium chloride.
10. carbon-dioxide absorbent absorptive character proving installation according to claim 1, is characterized in that: on the end cap of described purification pot (13), exsiccator (15), silicone rubber O-ring is housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420287046.1U CN203881743U (en) | 2014-05-30 | 2014-05-30 | Device for testing absorbability of carbon dioxide absorbent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420287046.1U CN203881743U (en) | 2014-05-30 | 2014-05-30 | Device for testing absorbability of carbon dioxide absorbent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203881743U true CN203881743U (en) | 2014-10-15 |
Family
ID=51682229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420287046.1U Active CN203881743U (en) | 2014-05-30 | 2014-05-30 | Device for testing absorbability of carbon dioxide absorbent |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107564398A (en) * | 2017-09-30 | 2018-01-09 | 西安航空学院 | A kind of gasoline engine electronic controlled fuel feed system experimental bench |
| CN110542018A (en) * | 2019-09-04 | 2019-12-06 | 北京国科环宇科技股份有限公司 | Pressurization experiment system and implementation method |
| CN111189965A (en) * | 2018-11-14 | 2020-05-22 | 中国石油化工股份有限公司 | Device for rapidly evaluating performance of hydrogen sulfide scavenger |
| CN111189970A (en) * | 2018-11-14 | 2020-05-22 | 中国石油化工股份有限公司 | Method for detecting absorption and elimination performance of hydrogen sulfide |
| CN113418825A (en) * | 2021-06-24 | 2021-09-21 | 中国核动力研究设计院 | Carbon dioxide eliminating agent eliminating performance test system and test method |
-
2014
- 2014-05-30 CN CN201420287046.1U patent/CN203881743U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107564398A (en) * | 2017-09-30 | 2018-01-09 | 西安航空学院 | A kind of gasoline engine electronic controlled fuel feed system experimental bench |
| CN111189965A (en) * | 2018-11-14 | 2020-05-22 | 中国石油化工股份有限公司 | Device for rapidly evaluating performance of hydrogen sulfide scavenger |
| CN111189970A (en) * | 2018-11-14 | 2020-05-22 | 中国石油化工股份有限公司 | Method for detecting absorption and elimination performance of hydrogen sulfide |
| CN110542018A (en) * | 2019-09-04 | 2019-12-06 | 北京国科环宇科技股份有限公司 | Pressurization experiment system and implementation method |
| CN113418825A (en) * | 2021-06-24 | 2021-09-21 | 中国核动力研究设计院 | Carbon dioxide eliminating agent eliminating performance test system and test method |
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