CN102967551A - Test device for detecting carbon dioxide adsorption and detection method - Google Patents
Test device for detecting carbon dioxide adsorption and detection method Download PDFInfo
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- CN102967551A CN102967551A CN201210330538XA CN201210330538A CN102967551A CN 102967551 A CN102967551 A CN 102967551A CN 201210330538X A CN201210330538X A CN 201210330538XA CN 201210330538 A CN201210330538 A CN 201210330538A CN 102967551 A CN102967551 A CN 102967551A
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- carbon dioxide
- air
- mixer
- detection
- carboloy
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 246
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 123
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 123
- 238000001514 detection method Methods 0.000 title claims abstract description 30
- 238000001179 sorption measurement Methods 0.000 title abstract 2
- 238000010521 absorption reaction Methods 0.000 claims abstract description 27
- 238000009434 installation Methods 0.000 claims description 12
- 230000006012 detection of carbon dioxide Effects 0.000 claims description 11
- 238000013016 damping Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 230000000087 stabilizing effect Effects 0.000 abstract 2
- 230000002745 absorbent Effects 0.000 description 6
- 239000002250 absorbent Substances 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 230000000241 respiratory effect Effects 0.000 description 5
- 239000002775 capsule Substances 0.000 description 4
- 230000004083 survival effect Effects 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 244000225942 Viola tricolor Species 0.000 description 1
- 235000004031 Viola x wittrockiana Nutrition 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The invention discloses a test device for detecting carbon dioxide adsorption and a detection method. The test device consists of a timer, an air compressor, an air humidity regulator, a compressed air flow meter, a temperature and humidity sensor, a high purity carbon dioxide source, a pressure stabilizing valve, a carbon dioxide flow meter, a mixer, an infrared carbon dioxide concentration detector, and a carbon dioxide absorption tank. The air inlet end of the air compressor is communicated with the atmosphere, and its air outlet end is connected to one of the air inlets of the mixer through the air humidity regulator, the air outlet end of the high purity carbon dioxide source is connected to the other air inlet of the mixer through the pressure stabilizing valve and the carbon dioxide flow meter. The air outlet of the mixer is connected to the infrared carbon dioxide concentration detector and the carbon dioxide absorption tank through ducts. The method includes: humidifying air, mixing the humidified air with high purity carbon dioxide, and introducing the mixed gas into the carbon dioxide absorption tank. The test device provided in the invention has the characteristics of simple structure and convenient operation, and the measured data are more accurate.
Description
Technical field
The invention belongs to a kind of carbon dioxide discharging detection technique, be specifically related to proving installation and detection method for detection of carbon dioxide absorption.
Background technology
When people run into emergency risks, usually adopt survival capsule and refuge chamber to carry out hedging.Because survival capsule or refuge chamber mainly adopt hermetically-sealed construction, thus isolated with external environment condition.In such sealed environment, when the carbon dioxide of the discharging of human body in whole hermetically-sealed construction reaches finite concentration, can people's life and health be threatened, therefore, need a kind of device that can absorbing carbon dioxide, because the preponderance of survival capsule is not easy to carry, so the apparatus in the survival capsule has certain weight requirement, in order in the weight range of control, to arrive the effect of estimating, absorption property for absorption unit of dioxide carbon, certain pick-up unit need to be arranged, therefrom filter out underproof product.Be CN1018113500A carbon dioxide absorbing agent absorption capacity pick-up unit and measuring method such as publication number, this device mainly is comprised of carbon dioxide generating device, air-washer, snubber assembly, flow measurement device and five parts of absorption unit of dioxide carbon, the gas that this device detects is the carbon dioxide that produces by carbon dioxide generating device, the humidity of the carbon dioxide of this carbon dioxide and characteristics of contaminated respiratory droplets, temperature, concentration have certain difference, and these factors impact the absorption of carbon dioxide plant, and the data of therefore measuring are inaccurate.
Summary of the invention
The objective of the invention is in order to remedy the deficiencies in the prior art, a kind of proving installation and detection method for detection of carbon dioxide absorption is provided, for detection of the device that the carbon dioxide with characteristics of contaminated respiratory droplets is close, this device simple in structure, easy to operate, the data of measurement are more accurate.
Purpose of the present invention can be achieved through the following technical solutions:
Proving installation for detection of carbon dioxide absorption is characterized in that:
1) comprises timer, air compressor, air humidifier, compressed air require meter, Temperature Humidity Sensor, high-pureness carbon dioxide source, pressure maintaining valve, carbon dioxide flow meter, mixer, concentration of infrared carbon dioxide detector, carboloy dioxide canister;
2) inlet end of described air compressor is communicated with one of atmosphere, outlet side air intake opening by air humidifier, air flowmeter, Temperature Humidity Sensor and mixer and links to each other, two of the air intake opening of the outlet side in described high-pureness carbon dioxide source by pressure maintaining valve, carbon dioxide flow meter and mixer links to each other, and the gas outlet of mixer links to each other with carboloy dioxide canister with the concentration of infrared carbon dioxide detector by conduit.
By air compressor air is compressed; by air humidifier pressurized air is carried out humidification; the carbon dioxide that pressurized air behind the humidification and high-pureness carbon dioxide source provide mixes in mixer; detect the concentration of mixed carbon dioxide by the concentration of infrared carbon dioxide detector; concentration ratio by compressed air require meter and carbon dioxide flow meter control carbon dioxide; guarantee that mixed carbon dioxide is closer to the humidity of the carbon dioxide of characteristics of contaminated respiratory droplets; temperature and concentration; make the data of detection more accurate; when the carbon-dioxide absorbent in the carboloy dioxide canister becomes pansy from silvery white, the expression carbon-dioxide absorbent state that reached capacity.Arrive the time used when saturated by the carbon-dioxide absorbent in the timer measuring carboloy dioxide canister, this time period is exactly each carboloy dioxide canister service time.
The density of the carbon-dioxide absorbent of filling in every tank carboloy dioxide canister is more than or equal to 810g/L, net content is at 580 ± 10g, air mass flow is at 30L/min, the resistance of tourie is less than or equal to 125pa, the concentration of carbon dioxide is when 47650 ± 5%ppm, and illustrate that more than or equal to 50 minutes this carboloy dioxide canister is qualified the service time of carboloy dioxide canister, when less than 50 minutes, illustrate that this carboloy dioxide canister is defective.
Purpose of the present invention can also be achieved through the following technical solutions:
Further scheme of the present invention: the gas outlet of mixer is connected with carbon dioxide detection alarm instrument and exhaust gas absorption device by conduit.When carbon dioxide detection alarm instrument detects gas concentration lwevel that carboloy dioxide canister flows out and reaches 10000ppm, the carbon-dioxide absorbent state that reached capacity is described, carbon dioxide detection alarm instrument will automatic alarm, so that the data of measuring are more accurate, absorb the unabsorbed carbon dioxide that gives off through carboloy dioxide canister by exhaust gas absorption device.
Further scheme of the present invention: the junction at air compressor and air humidifier is provided with clarifier.By clarifier with the Impurity removal that contains in the pressurized air, such as machine oil.Be convenient to make test data more accurate.
Further scheme of the present invention: described air humidifier adopts three grades of damping structural formula air humidifiers.By the humidity in three grades of humidity control devices raising pressurized air.
Further scheme of the present invention: the carbon dioxide purity in described high-pureness carbon dioxide source is at least 99%.
Further scheme of the present invention: described timer adopts the manual time-keeping device, and scale division value is 0.1s, 1 grade of precision.So that measurement data is more accurate.
Further scheme of the present invention: the rated flow of described compressed air require meter is 5-50L/min, and the rated flow of carbon dioxide flow meter is 0.5-2L/min.
A kind of detection method of carbon dioxide absorption is characterized in that comprising the steps:
1) opens the air intake valve of air compressor, air enters air compressor through air intake valve, pressurized air enters air humidifier 2 through the air outlet valve of air compressor 1, compressed air require behind the compressed air require meter control humidification, Temperature Humidity Sensor detects the compressed-air actuated temperature and humidity behind the humidification;
2) when compressed air require be (30 ± 0.3) L/min, compressed air temperature is at 20 ± 10 ℃, and pressurized air relative humidity is opened the high-pureness carbon dioxide source greater than 85% the time, make supply gas pressure reach 0.04Mpa, the flow of adjusting carbon dioxide by the carbon dioxide flow meter is 1.5L/min; Pressurized air and carbon dioxide behind the humidification mix in mixer, making the gas concentration lwevel in the mixer is (4.0 ± 0.4) %V/V, the mixed gas that flow out infrared carbon dioxide detector detection mixer gas outlet, and keep infrared carbon dioxide detector reading at 47650 ± 5%ppm, the mixed gas that flow out the mixer gas outlet passes into carboloy dioxide canister, and timer begins timing simultaneously;
3) open carbon dioxide detection alarm instrument, when the carbon dioxide breakthrough concentration of carboloy dioxide canister discharge reaches 10000ppm, carbon dioxide detection alarm instrument automatic alarm, timer stops timing, and the time that timer reads is the time that carboloy dioxide canister uses.
The method is divided into three steps, the first step: air is carried out humidification, second step: the air behind the humidification and highly purified carbon dioxide mix, the carbon dioxide of mixed carbon dioxide and characteristics of contaminated respiratory droplets is close, the 3rd step: mixed carbon dioxide is passed into carboloy dioxide canister, arrive the time of saturated use by timer record carbon-dioxide absorbent in carboloy dioxide canister.
Beneficial effect of the present invention: of the present invention simple in structure, easy to operate, the carbon dioxide that measurement mechanism provided by the invention can provide the carbon dioxide with characteristics of contaminated respiratory droplets to be close, make the data of measurement more accurate, can detect the time that each carboloy dioxide canister uses by this measurement mechanism, thereby judge whether this carboloy dioxide canister is qualified, also can calculate how long need to prepare how many tank carboloy dioxide canisters simultaneously.
Description of drawings
Fig. 1 is framework synoptic diagram of the present invention.
Fig. 2 is the framework synoptic diagram that the present invention adds clarifier.
Embodiment
The present invention is further illustrated below in conjunction with accompanying drawing.
Embodiment 1:
The proving installation that adsorbs for detection of carbon dioxide as shown in Figure 1,
1) comprises timer, air compressor 1, air humidifier 2, compressed air require meter 3, Temperature Humidity Sensor 4, high-pureness carbon dioxide source 5, pressure maintaining valve 6, carbon dioxide flow meter 7, mixer 8, concentration of infrared carbon dioxide detector 9, carboloy dioxide canister 10;
2) inlet end of described air compressor 1 is communicated with atmosphere, the outlet side by pipeline successively with air humidifier 2, air flowmeter 3, one of air intake opening of Temperature Humidity Sensor 4 and mixer 8 links to each other, the outlet side in described high-pureness carbon dioxide source 5 by pipeline successively with pressure maintaining valve 6, two of the air intake opening of carbon dioxide flow meter 7 and mixer 8 links to each other, the gas outlet of mixer 8 links to each other with carboloy dioxide canister 10 with concentration of infrared carbon dioxide detector 9 successively by conduit, is connected with carbon dioxide detection alarm instrument 11 and exhaust gas absorption device 12 after the carboloy dioxide canister 10.
Described air humidifier 2 adopts three grades of damping structural formula air humidifiers.
The carbon dioxide purity in described high-pureness carbon dioxide source 5 is at least 99%.
Described timer adopts the manual time-keeping device, and scale division value is 0.1s, 1 grade of precision.
The rated flow of described compressed air require meter 3 is 5-50L/min, and the rated flow of carbon dioxide flow meter 7 is 0.5-2L/min.
The high-pureness carbon dioxide steel cylinder is adopted in described high-pureness carbon dioxide source 5.
A kind of detection method of carbon dioxide absorption may further comprise the steps:
1) opens the air intake valve of air compressor 1, air enters air compressor 1 through air intake valve, pressurized air enters air humidifier 2 through the air outlet valve of air compressor 1, compressed air require behind the compressed air require meter 3 control humidifications, Temperature Humidity Sensor 4 detects the compressed-air actuated temperature and humidity behind the humidification;
2) when compressed air require be (30 ± 0.3) L/min, compressed air temperature is at 20 ± 10 ℃, and pressurized air relative humidity is opened high-pureness carbon dioxide source 5 greater than 85% the time, make supply gas pressure reach 0.04Mpa, the flow of adjusting carbon dioxide by carbon dioxide flow meter 7 is 1.5L/min; Pressurized air behind the humidification and carbon dioxide are in mixer 8 interior mixing, making the gas concentration lwevel in the mixer 8 is (4.0 ± 0.4) %V/V, the mixed gas that flow out infrared carbon dioxide detector 9 detection mixer 8 gas outlets, and keep infrared carbon dioxide detector 9 readings at 47650 ± 5%ppm, the mixed gas that flow out mixer 8 gas outlets passes into carboloy dioxide canister 10, and timer begins timing simultaneously;
3) open carbon dioxide detection alarm instrument 11, when the carbon dioxide breakthrough concentration of carboloy dioxide canister 10 discharges reaches 10000ppm, carbon dioxide detection alarm instrument 11 automatic alarms, timer stops timing, and the time that timer reads is the time that carboloy dioxide canister 10 uses.
Described timer, air compressor 1, air humidifier 2, compressed air require meter 3, Temperature Humidity Sensor 4, high-pureness carbon dioxide source 5, pressure maintaining valve 6, carbon dioxide flow meter 7, mixer 8, concentration of infrared carbon dioxide detector 9 and carboloy dioxide canister 10 adopt routine techniques.
Specific embodiment 2:
As shown in Figure 2, characteristics of the present invention are: the junction at air compressor 1 and air humidifier 2 is provided with clarifier 13.
Other features are identical with embodiment 1.
A kind of detection method of carbon dioxide absorption may further comprise the steps:
1) opens the air intake valve of air compressor 1, air enters air compressor 1 through air intake valve, the pressurized air that the air outlet valve of air compressor 1 flows out enters air humidifier 2 after clarifier filters, compressed air require behind the compressed air require meter 3 control humidifications, Temperature Humidity Sensor 4 detects the compressed-air actuated temperature and humidity behind the humidification;
2) when compressed air require be (30 ± 0.3) L/min, compressed air temperature is at 20 ± 10 ℃, and pressurized air relative humidity is opened high-pureness carbon dioxide source 5 greater than 85% the time, make supply gas pressure reach 0.04Mpa, the flow of adjusting carbon dioxide by carbon dioxide flow meter 7 is 1.5L/min; Pressurized air behind the humidification and carbon dioxide are in mixer 8 interior mixing, making the gas concentration lwevel in the mixer 8 is (4.0 ± 0.4) %V/V, the mixed gas that flow out infrared carbon dioxide detector 9 detection mixer 8 gas outlets, and keep infrared carbon dioxide detector 9 readings at 47650 ± 5%ppm, the mixed gas that flow out mixer 8 gas outlets passes into carboloy dioxide canister 10, and timer begins timing simultaneously;
3) open carbon dioxide detection alarm instrument 11, when the carbon dioxide breakthrough concentration of carboloy dioxide canister 10 discharges reaches 10000ppm, carbon dioxide detection alarm instrument 11 automatic alarms, timer stops timing, and the time that timer reads is the time that carboloy dioxide canister 10 uses.
The above; only be the better specific embodiment of the present invention; but protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the scope that the present invention discloses; be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, all belonged to protection scope of the present invention.
Claims (8)
1. for detection of the proving installation of carbon dioxide absorption, it is characterized in that:
1) comprises timer, air compressor (1), air humidifier (2), compressed air require meter (3), Temperature Humidity Sensor (4), high-pureness carbon dioxide source (5), pressure maintaining valve (6), carbon dioxide flow meter (7), mixer (8), concentration of infrared carbon dioxide detector (9), carboloy dioxide canister (10);
2) inlet end of described air compressor (1) is communicated with one of atmosphere, outlet side air intake opening by air humidifier (2), air flowmeter (3), Temperature Humidity Sensor (4) and mixer (8) and links to each other, two of the air intake opening of the outlet side in described high-pureness carbon dioxide source (5) by pressure maintaining valve (6), carbon dioxide flow meter (7) and mixer (8) links to each other, and the gas outlet of mixer (8) links to each other with carboloy dioxide canister (10) with concentration of infrared carbon dioxide detector (9) by conduit.
2. the proving installation for detection of carbon dioxide absorption according to claim 1, it is characterized in that: the gas outlet of described mixer (8) is connected with carbon dioxide detection alarm instrument (11) and exhaust gas absorption device (12) by conduit.
3. the proving installation for detection of carbon dioxide absorption according to claim 1 and 2 is characterized in that: the junction at air compressor (1) and air humidifier (2) is provided with clarifier (13).
4. the proving installation for detection of carbon dioxide absorption according to claim 1 and 2 is characterized in that: three grades of damping structural formula air humidifiers of described air humidifier (2) employing.
5. the proving installation for detection of carbon dioxide absorption according to claim 1 and 2, it is characterized in that: the carbon dioxide purity in described high-pureness carbon dioxide source (5) is at least 99%.
6. the proving installation for detection of carbon dioxide absorption according to claim 1 and 2, it is characterized in that: described timer adopts the manual time-keeping device, and scale division value is 0.1s, 1 grade of precision.
7. the proving installation for detection of carbon dioxide absorption according to claim 1 and 2, it is characterized in that: the rated flow of described compressed air require meter (3) is 5-50L/min, the rated flow of carbon dioxide flow meter (7) is 0.5-2L/min.
8. the detection method of a carbon dioxide absorption is characterized in that comprising the steps:
1) opens the air intake valve of air compressor (1), air enters air compressor (1) through air intake valve, pressurized air enters air humidifier (2) through the air outlet valve of air compressor (1), compressed air require behind compressed air require meter (3) the control humidification, Temperature Humidity Sensor (4) detects the compressed-air actuated temperature and humidity behind the humidification;
2) when compressed air require be (30 ± 0.3) L/min, compressed air temperature is at 20 ± 10 ℃, pressurized air relative humidity is greater than 85% the time, open high-pureness carbon dioxide source (5), make supply gas pressure reach 0.04Mpa, the flow of adjusting carbon dioxide by carbon dioxide flow meter (7) is 1.5L/min; Pressurized air behind the humidification and carbon dioxide mix in mixer (8), making the gas concentration lwevel in the mixer (8) is (4.0 ± 0.4) %V/V, the mixed gas that flow out infrared carbon dioxide detector (9) detection mixer (8) gas outlet, and keep infrared carbon dioxide detector (9) reading at 47650 ± 5%ppm, the mixed gas that flow out mixer (8) gas outlet passes into carboloy dioxide canister (10), and timer begins timing simultaneously;
3) open carbon dioxide detection alarm instrument (11), when the carbon dioxide breakthrough concentration of carboloy dioxide canister (10) discharge reaches 10000ppm, carbon dioxide detection alarm instrument (11) automatic alarm, timer stops timing, and the time that timer reads is the time that carboloy dioxide canister (10) uses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210330538XA CN102967551A (en) | 2012-09-09 | 2012-09-09 | Test device for detecting carbon dioxide adsorption and detection method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210330538XA CN102967551A (en) | 2012-09-09 | 2012-09-09 | Test device for detecting carbon dioxide adsorption and detection method |
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| CN201210330538XA Pending CN102967551A (en) | 2012-09-09 | 2012-09-09 | Test device for detecting carbon dioxide adsorption and detection method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529175A (en) * | 2013-10-29 | 2014-01-22 | 杨云生 | Test board capable of dynamic adsorption of benzene steam |
| CN103529177A (en) * | 2013-10-29 | 2014-01-22 | 杨云生 | Test board capable of dynamic adsorption of cyclohexane steam |
| CN108519380A (en) * | 2017-03-13 | 2018-09-11 | 普锐思克（武汉）科技有限公司 | The experiment platform device of laser gas detector |
| CN111085106A (en) * | 2020-01-08 | 2020-05-01 | 南京工程学院 | A carbon dioxide absorption reactor and its online monitoring device |
| CN115675799A (en) * | 2022-11-16 | 2023-02-03 | 中国人民解放军海军特色医学中心 | System and method for monitoring use state of carbon dioxide absorbent in absorbent tank |
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-
2012
- 2012-09-09 CN CN201210330538XA patent/CN102967551A/en active Pending
Patent Citations (4)
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|---|---|---|---|---|
| JPH0772081A (en) * | 1993-09-01 | 1995-03-17 | Nakano Vinegar Co Ltd | Measuring apparatus for co2 concentration |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529175A (en) * | 2013-10-29 | 2014-01-22 | 杨云生 | Test board capable of dynamic adsorption of benzene steam |
| CN103529177A (en) * | 2013-10-29 | 2014-01-22 | 杨云生 | Test board capable of dynamic adsorption of cyclohexane steam |
| CN108519380A (en) * | 2017-03-13 | 2018-09-11 | 普锐思克（武汉）科技有限公司 | The experiment platform device of laser gas detector |
| CN111085106A (en) * | 2020-01-08 | 2020-05-01 | 南京工程学院 | A carbon dioxide absorption reactor and its online monitoring device |
| CN115675799A (en) * | 2022-11-16 | 2023-02-03 | 中国人民解放军海军特色医学中心 | System and method for monitoring use state of carbon dioxide absorbent in absorbent tank |
| CN115675799B (en) * | 2022-11-16 | 2023-05-19 | 中国人民解放军海军特色医学中心 | System and method for monitoring carbon dioxide absorbent usage in an absorbent tank |
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Application publication date: 20130313 |