CN105067778A - Gas analysis system - Google Patents
Gas analysis system Download PDFInfo
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- CN105067778A CN105067778A CN201510502060.8A CN201510502060A CN105067778A CN 105067778 A CN105067778 A CN 105067778A CN 201510502060 A CN201510502060 A CN 201510502060A CN 105067778 A CN105067778 A CN 105067778A
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- gas
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- pretreatment unit
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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 invention relates to a gas analysis system. The gas analysis system comprises a pretreatment device used for pre-treating gas in or out of a respiratory metabolism room, a gas analyzer connected with the gas pretreatment device in a closed manner and used for analyzing pre-treated gas to obtain detection data, and a data processing device connected with the gas analyzer and used for collecting and storing the detection data. The gas analysis system can be used for delicate gas pretreatment of a sampled gas, so that the accuracy in gas composition analysis is improved, and the service life of the gas analyzer is prolonged; an ammonia gas analyzer is arranged in a respiratory metabolism test device, so that deep research on respiratory metabolism of animals is promoted, and meanwhile, environmental pollution caused by ammonia gas is reduced.
Description
Technical field
The present invention relates to animal breath metabolic test equipment technical field, be specifically related to a kind of gas analysis system.
Background technology
Respiratory metabolism generally means a series of enzymatic reaction process participated in by most enzyme, coenzyme and some other organic and inorganic factor.After feed intake feed, nutriment wherein completes energetic supersession by biological oxidation process.Be specially: the oxygen in air is sucked by lung, then enter each tissue and oxidized through blood, finally become carbon dioxide and water, water is stored in body, and carbon dioxide enters air through blood by lung.By this gas exchanges, and then extrapolating the quantity of heat production of animal, is zoologize one of the important means of energy i (in vivo) metabolism.
Prior art discloses a kind of Multifunctional open respiratory metabolism determining device, by to air intake pump, off-gas pump, respiratory metabolism room, air valve, gas float flow meter, frequency converter, the organic assembling of data acquisition control instrument and processor, foundation comprises ox, sheep, the respiratory metabolism room of the animals such as fowl, and can distinguish simultaneously to ox, sheep, the animals such as fowl carry out respiratory metabolism determining, also can increase air inlet sample mouth and sample mouth of giving vent to anger on gas analyzer, with the connected mode that each respiratory metabolism room is identical with each parts, to increase identical respiratory metabolism room, respectively simultaneously to ox, sheep, the respiratory metabolism of the animals such as fowl measures.
In order to measure the gas that animal is discharged, generally animal is placed on respiratory metabolism indoor, respiratory metabolism room relative closure, humidity is larger, gas water content is higher, simultaneously the feed of feed intake, the excreta of animal and hair all easily form dust and fine particle, and thus direct to carry out detection time error to Exhaust Gas very large.Consider Animal husbandry production feature, also may there is the gas componant such as methane and ammonia in removing carbon dioxide in the gas that animal breath metabolism is discharged, ammonia is very easily combined with the aqueous water condensed and forms alkali and flow away, and thus makes the measured value of its composition on the low side simultaneously.And the harmful gases such as ammonia are one of main Animal Husbandry Pollution things, large to the destruction of environment.Therefore provide a kind of gas analysis system possessing excellent gas pretreatment potentiality and accurate Gas Detection Performance of thermal, for enhancing animal breath metabolism equipment and technology level, promotion respiratory metabolism fundamental research development is very necessary and have long-range meaning.
Summary of the invention
Technical matters to be solved by this invention how to provide a kind of gas analysis system possessing excellent gas pretreatment potentiality.
For this purpose, the present invention proposes a kind of gas analysis system, comprise gas pretreatment device, for carrying out pre-service to the gas of respiratory metabolism room or outdoor; Gas analyzing apparatus, is connected with described gas pretreatment device is airtight, obtains detecting data for carrying out analysis to described pretreated gas; Data processing equipment, is connected with described gas analyzing apparatus, for gathering described detection data and storing.
Preferably, this system also comprises caliberating device, and described caliberating device is connected with described gas analyzing apparatus, for calibrating described gas analyzing apparatus and providing reference gas.
Preferably, described gas analyzing apparatus comprises ammonia analyser, oxygen analyser, carbon dioxide and/or methane analyser.
Preferably, described gas pretreatment device comprises the first pretreatment unit and the second pretreatment unit, described first pretreatment unit connects described oxygen analyser, capnograph and/or methane analyser, and described second pretreatment unit connects described ammonia analyser.
Wherein, described first pretreatment unit comprises the first sampling probe, the first filtrator, the first exsiccator, the first sampling pump, the first condenser, the first stop valve, the first needle-valve and the first gas meter that sequentially connect; Described first gas meter connects described oxygen analyser, capnograph and/or methane analyser; Described second pretreatment unit comprises the second sampling probe, the second filtrator, the second exsiccator, the second stop valve, the second needle-valve and the second gas meter that sequentially connect; Described second gas meter connects described ammonia analyser; Described ammonia analyser connects described second sampling pump.
Preferably, described caliberating device comprises calibrating installation and reference instrument, and described reference instrument connects described oxygen analyser, and described calibrating installation connects described ammonia analyser, oxygen analyser, carbon dioxide and/or methane analyser.
Preferably, described calibrating installation connects the entrance of described first stop valve and the entrance of described second stop valve.
Preferably, between each parts of described first pretreatment unit, adopt polyfluortetraethylene pipe to connect and compose closed gas path, between each parts of described second pretreatment unit, adopt heat tracing pipe to connect and compose closed gas path.
Preferably, described data processing equipment comprises: the controller be connected with described gas analyzing apparatus, the processor be connected with described controller, the solenoid valve be connected with described controller;
Described controller gathers the detection data of described gas analyzing apparatus and is transferred to described processor; Described processor receives and stores the detection data of described controller transmission, and sends instruction to described controller; The instruction that described controller receives the transmission of described processor controls the conducting of described solenoid valve and closes; Described in described solenoid control, the gas of respiratory metabolism room or outdoor enters described gas pretreatment device.
Wherein, described solenoid valve comprises two inlet ends and an outlet side, and wherein, an inlet end connects respiratory metabolism room, and outside another inlet end junction chamber, outlet side connects described gas pretreatment device.
By adopting gas analysis system provided by the present invention, meticulous gas preprocessing process being implemented to sample gas, improves the accuracy of gas composition analysis, extending the serviceable life of gas analyzing apparatus; In respiratory metabolism testing equipment, be provided with ammonia analyser, facilitate going deep into of animal breath metabolism research, improve the pollution of ammonia to environment simultaneously; Achieve the synchronized sampling to the change of experimental animal respiratory metabolism gas and real-time analysis, for the respiratory metabolism rule of zoologizeing provides equipment support.
Accompanying drawing explanation
Can understanding the features and advantages of the present invention clearly by reference to accompanying drawing, accompanying drawing is schematic and should not be construed as and carry out any restriction to the present invention, in the accompanying drawings:
Fig. 1 shows the structural representation of gas analysis system of the present invention;
Fig. 2 shows the structural representation of Demarcate Gas device of the present invention;
Fig. 3 shows the structural representation of gas pretreatment device of the present invention;
Fig. 4 shows the structural representation of data processing equipment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the present invention is described in detail.
As shown in Figure 1, gas analysis system of the present invention comprises: gas pretreatment device, for carrying out pre-service to the gas of respiratory metabolism room or outdoor; Gas analyzing apparatus, is connected with described gas pretreatment device is airtight, obtains detecting data for carrying out analysis to described pretreated gas; Data processing equipment, is connected with described gas analyzing apparatus, for gathering described detection data and storing; Data processing equipment enters described gas pretreatment device by the gas of respiratory metabolism room or outdoor described in solenoid control.Launch to describe in detail to gas analysis system provided by the invention below in conjunction with specific embodiment.
As shown in Figure 2, gas analysis system of the present invention also comprises caliberating device, and described caliberating device is connected with described gas analyzing apparatus, for calibrating described gas analyzing apparatus and providing reference gas.Described caliberating device comprises calibrating installation and reference instrument, and described reference instrument connects oxygen analyser, and described calibrating installation connects described gas analyzing apparatus.Reference instrument can comprise reference gas gas bomb and be installed on the reduction valve on reference gas gas bomb, and calibrating installation can comprise Standard Gases gas bomb and be installed on the reduction valve on Standard Gases gas bomb.Standard Gases gas bomb can be Seamless Steel gas cylinder, in order to store supplied gas analytical equipment calibration required for zero gas and range gas.Reduction valve is for meeting the decompression needs of gas bomb.Preferably, described gas analyzing apparatus comprises ammonia analyser, oxygen analyser, carbon dioxide and/or methane analyser.Oxygen analyser can be paramagnetism principle, and measurement range is 20.0% ~ 21.0%, and carbon dioxide and/or methane analyser and ammonia analyser can be infrared ray principle, and measurement range is respectively 0-10000ppm, 0-50ppm and 0-100ppm.
Wherein preferably, as shown in Figure 3, described gas pretreatment device comprises the first pretreatment unit and the second pretreatment unit, described first pretreatment unit connects described oxygen analyser, capnograph and/or methane analyser, and described second pretreatment unit connects described ammonia analyser.Wherein, solenoid valve can be two, and the first solenoid valve connects the first pretreatment unit, and the second solenoid valve connects the second pretreatment unit.Wherein more preferably, described first pretreatment unit comprises the first sampling probe, the first filtrator, the first exsiccator, the first sampling pump, the first condenser, the first stop valve, the first needle-valve and the first gas meter that sequentially connect; Described first gas meter connects described oxygen analyser, capnograph and/or methane analyser; Described second pretreatment unit comprises the second sampling probe, the second filtrator, the second exsiccator, the second stop valve, the second needle-valve and the second gas meter that sequentially connect; Described second gas meter connects described ammonia analyser; Described ammonia analyser connects described second sampling pump.Polyfluortetraethylene pipe is adopted to connect and compose closed gas path between each parts of described first pretreatment unit.Because ammonia is very easily water-soluble, meet condensation for preventing the aqueous vapor in gas sample and form water droplet, ammonia is wherein water-soluble and cause mensuration inaccurate, adopts heat tracing pipe to connect and compose closed gas path between each parts of described second pretreatment unit.Described heat tracing pipe is formed by polyfluortetraethylene pipe overcoat invariable power electric-heating belt, covers the whole gas circuits from the second sampling probe to ammonia analyser, for maintaining the temperature of gas sample, prevents the aqueous vapor condensation in gas.Because sampling pump does not possess heating function, so after described second sampling pump is connected to ammonia analyser, object be for gas sample power is provided while, ensure gas sample not condensation.
In gas preprocessing process, first stop valve and the second stop valve are adjusted to pretreated locations, first, second sampling probe gathers the gas sample of respiratory metabolism room or outdoor, and the impurity of gas is filtered, first, second filtrator carries out dust removal by filtration to gas sample afterwards, and first, second exsiccator dehumidifies to gas sample, and obtains the gas sample after filtering, dehumidifying, the effect of the first sampling pump is identical with the second sampling pump, is all for extracting gases sample provides power; The first condenser in first pretreatment unit, to the gas sample condensation after filtering, dehumidifying, is eliminated the moisture in gas sample further, and is obtained dry gas sample; First needle-valve and the control of the first gas meter enter the gas flow of oxygen analyser, capnograph and/or methane analyser within the scope of 20-60L/h; Second needle-valve and the control of the second gas meter enter the gas flow of ammonia analyser within the scope of 20-60L/h.
Wherein preferably, described calibrating installation connects the entrance of described first stop valve and the entrance of described second stop valve, and described calibrating installation is connected oxygen analyser, capnograph and/or methane analyser by the first stop valve of sequentially connecting, the first needle-valve respectively with the first gas meter; Described calibrating installation is connected described ammonia analyser by sequentially connecting the second stop valve, the second needle-valve and the second gas meter.When calibrating, first, second stop valve is adjusted to calibration position, gas analyzer to be calibrated switches to calibration mode, open the reduction valve of Standard Gases gas bomb, Standard Gases is made to enter gas analyzer to be calibrated with 20-60L/h by first, second gas meter, after gas analyzer data stabilization, click and confirm, can demarcation be completed.Consider the characteristic of oxygen analyser, when oxygen analyser carries out work, must guarantee that reference gas is with 3-5kgf/cm
2pressure durations pass into, oxygen analyser can be made normally to work, and be therefore required to be oxygen analyser and be equipped with reference gas gas bomb specially, reference gas composition is suitable with oxygen zero gas.
Wherein preferably, as shown in Figure 1 and Figure 4, described data processing equipment comprises: the controller be connected with described gas analyzing apparatus, the processor be connected with described controller, the solenoid valve be connected with described controller, and described controller gathers the detection data of described gas analyzing apparatus and is transferred to described processor; Described processor receives and stores the detection data of described controller transmission, and sends instruction to described controller; The instruction that described controller receives the transmission of described processor controls the conducting of described solenoid valve and closes; Described in described solenoid control, the gas of respiratory metabolism room or outdoor enters described gas pretreatment device.Owing to needing to measure external environment and the two-part gas componant in respiratory metabolism room in animal breath metabolic test process, thus described solenoid valve can be two three-way electromagnetic valves, comprise two inlet ends and an outlet side, wherein, an inlet end connects respiratory metabolism room, outside another inlet end junction chamber, outlet side connects described gas pretreatment device, wherein always only have an inlet end and outlet side conducting, another inlet end is in closure state, by the conducting of solenoid valve and closed, control the sampling in turn of respiratory metabolism room or outdoor gas, the time interval does not do concrete restriction.The conducting of solenoid valve can be controlled by programming realization by controller with closed.
By adopting gas analysis system provided by the present invention, meticulous gas preprocessing process being implemented to sample gas, improves the accuracy of gas composition analysis, extending the serviceable life of gas analyzing apparatus; In respiratory metabolism testing equipment, be provided with ammonia analyser, facilitate going deep into of animal breath metabolism research, improve the pollution of ammonia to environment simultaneously; Achieve the synchronized sampling to the change of experimental animal respiratory metabolism gas and real-time analysis, for the respiratory metabolism rule of zoologizeing provides equipment support.
Although describe embodiments of the present invention by reference to the accompanying drawings, but those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, such amendment and modification all fall into by within claims limited range.
Claims (10)
1. a gas analysis system, is characterized in that, comprising:
Gas pretreatment device, for carrying out pre-service to the gas of respiratory metabolism room or outdoor;
Gas analyzing apparatus, is connected with described gas pretreatment device is airtight, obtains detecting data for carrying out analysis to described pretreated gas;
Data processing equipment, is connected with described gas analyzing apparatus, for gathering described detection data and storing.
2. a kind of gas analysis system according to claim 1, is characterized in that, also comprise: caliberating device, and described caliberating device is connected with described gas analyzing apparatus, for calibrating described gas analyzing apparatus and providing reference gas.
3. gas analysis system according to claim 2, is characterized in that, described gas analyzing apparatus comprises ammonia analyser, oxygen analyser, carbon dioxide and/or methane analyser.
4. gas analysis system according to claim 3, it is characterized in that, described gas pretreatment device comprises the first pretreatment unit and the second pretreatment unit, described first pretreatment unit connects described oxygen analyser, capnograph and/or methane analyser, and described second pretreatment unit connects described ammonia analyser.
5. gas analysis system according to claim 4, it is characterized in that, described first pretreatment unit comprises the first sampling probe, the first filtrator, the first exsiccator, the first sampling pump, the first condenser, the first stop valve, the first needle-valve and the first gas meter that sequentially connect; Described first gas meter connects described oxygen analyser, capnograph and/or methane analyser; Described second pretreatment unit comprises the second sampling probe, the second filtrator, the second exsiccator, the second stop valve, the second needle-valve and the second gas meter that sequentially connect; Described second gas meter connects described ammonia analyser; Described ammonia analyser connects described second sampling pump.
6. gas analysis system according to claim 5, it is characterized in that, described caliberating device comprises calibrating installation and reference instrument, described reference instrument connects described oxygen analyser, and described calibrating installation connects described ammonia analyser, oxygen analyser, carbon dioxide and/or methane analyser.
7. a kind of gas analysis system according to claim 6, is characterized in that,
Described calibrating installation connects the entrance of described first stop valve and the entrance of described second stop valve.
8. a kind of gas analysis system according to claim 4-7, it is characterized in that, adopt polyfluortetraethylene pipe to connect and compose closed gas path between each parts of described first pretreatment unit, between each parts of described second pretreatment unit, adopt heat tracing pipe to connect and compose closed gas path.
9. a kind of gas analysis system according to claim 1, is characterized in that, described data processing equipment comprises: the controller be connected with described gas analyzing apparatus, the processor be connected with described controller, the solenoid valve be connected with described controller;
Described controller gathers the detection data of described gas analyzing apparatus and is transferred to described processor; Described processor receives and stores the detection data of described controller transmission, and sends instruction to described controller; The instruction that described controller receives the transmission of described processor controls the conducting of described solenoid valve and closes; Described in described solenoid control, the gas of respiratory metabolism room or outdoor enters described gas pretreatment device.
10. a kind of gas analysis system according to claim 9, is characterized in that, described solenoid valve comprises two inlet ends and an outlet side, wherein, an inlet end connects respiratory metabolism room, and outside another inlet end junction chamber, outlet side connects described gas pretreatment device.
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| CN201510502060.8A CN105067778A (en) | 2015-08-14 | 2015-08-14 | Gas analysis system |
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| CN201510502060.8A CN105067778A (en) | 2015-08-14 | 2015-08-14 | Gas analysis system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108303495A (en) * | 2018-01-05 | 2018-07-20 | 吴晓苗 | The detection method of carbon dioxide and remaining oxygen in a kind of medical packaging cillin bottle |
| TWI696818B (en) * | 2018-04-27 | 2020-06-21 | 研能科技股份有限公司 | Particle detecting module |
| US10969310B2 (en) | 2018-04-27 | 2021-04-06 | Microjet Technology Co., Ltd. | Particle detecting module |
| CN112730747A (en) * | 2020-12-25 | 2021-04-30 | 深圳市安室智能有限公司 | Gas detection method, system, gas analyzer and storage medium |
| CN112782264A (en) * | 2020-12-14 | 2021-05-11 | 兰州空间技术物理研究所 | Device and method for detecting and calibrating trace harmful gas in closed space |
| CN116559416A (en) * | 2023-07-11 | 2023-08-08 | 中国农业大学 | Energy metabolism system of human body energy metabolism bin and energy detection method |
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| CN116559416A (en) * | 2023-07-11 | 2023-08-08 | 中国农业大学 | Energy metabolism system of human body energy metabolism bin and energy detection method |
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Application publication date: 20151118 |