CN108982203A - It is a kind of for measuring the in-line analyzer of fixed gas in refrigerant - Google Patents
It is a kind of for measuring the in-line analyzer of fixed gas in refrigerant Download PDFInfo
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- CN108982203A CN108982203A CN201810916950.7A CN201810916950A CN108982203A CN 108982203 A CN108982203 A CN 108982203A CN 201810916950 A CN201810916950 A CN 201810916950A CN 108982203 A CN108982203 A CN 108982203A
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- air circuit
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- way valve
- valve
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/06—Preparation
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of for measuring the in-line analyzer of fixed gas in refrigerant, gas instrument, six-way valve, chromatographic column, detector and battery component are reprinted including electric heating pressure reducing valve, electricity, electric heating pressure reducing valve air circuit connection has flow control valve a, flow control valve a and No. 1 interface air circuit connection of six-way valve；With the quantitative loop air circuit connection of the six-way valve, No. 6 interface air circuit connections of six-way valve have flowmeter a for six-way valve 2 and No. 5 interfaces；Carrier gas and No. 3 interface air circuit connections of six-way valve, the electricity reprint another way carrier gas and detector air circuit connection in gas instrument all the way in electricity reprinting gas instrument；Chromatographic column one end and No. 4 interface air circuit connections of six-way valve, the chromatographic column other end and detector air circuit connection, the present invention can carry out heating and gasifying to liquefied sample in sample inlet, required carrier gas is reprinted gas instrument by electricity and is voluntarily provided, and can have battery component power supply automatic running after a loss of power, guarantee that the analysis of the quality of production and detection also avoid artificial measurement error.
Description
Technical field
It is specially a kind of for measuring the on-line analysis of fixed gas in refrigerant the present invention relates to online measuring technique field
Instrument.
Background technique
Refrigerant is so as to the media material for completing energy conversion in various heat engines, these substances are usually with reversible phase transformation
(such as solution-air phase transformation) increases power.Refrigerant category is various, and more typical working media is part in traditional industry and life
Halogenated hydrocarbons (especially chlorofluorocarbons), the wider working media of other application have ammonia, sulfur dioxide and non-halogenated hydrocarbons (such as first
Alkane) in fixed gas be largely made of air, wherein be exactly mainly nitrogen and oxygen, after incoagulable gas is into people's system,
It will remain in condenser or other positions, influence the condensation of refrigerant, so that refrigerating capacity be made to reduce, in addition incoagulable gas is simultaneously
Be not distributed evenly in condensation space, according to the different distributions of density in a certain position (generally in condenser overhead,
Close to the position of liquid level), a part of heat-transfer pipe shrouded by incoagulable gas cannot cool down refrigerant, to make total cold
But area reduces, and condensing capacity decline eventually leads to condensing pressure raising；Secondly as incoagulable gas is into people's condensation space
Certain partial pressure is necessarily formed afterwards, to make to condense gross pressure raising, condensing pressure raising can make compression needed for specific refrigerating effect
Machine power increases, therefore refrigerating efficiency will decline, and keeps its small by 0.5% so needing to carry out the fixed gas in refrigerant detection
(V/V).The analysis of fixed gas is mainly analyzed using laboratory chromatographic at present, and this detection mode low efficiency but also can not only be brought
The introducing (gas sample is easily mixed into air and brings measurement error) of analytical error, analysis time is longer.
Summary of the invention
The problem of for background technique, the present invention provides a kind of for measuring the online of fixed gas in refrigerant
Analyzer.
To achieve the above object, the invention provides the following technical scheme: it is a kind of for measure fixed gas in refrigerant
Line analysis instrument, including electric heating pressure reducing valve, electricity reprint gas instrument, six-way valve, chromatographic column, detector and battery component, the electricity
Heating pressure reducing valve air circuit connection has flow control valve a, the flow control valve a and No. 1 interface air circuit connection of the six-way valve；Institute
Six-way valve 2 and No. 5 interfaces are stated with the quantitative loop air circuit connection of the six-way valve, and No. 6 interface air circuit connections of the six-way valve have
Flowmeter a；Carrier gas and No. 3 interface air circuit connections of the six-way valve, the electricity are reprinted another in gas instrument all the way in the electricity reprinting gas instrument
Carrier gas and the detector air circuit connection all the way；Described chromatographic column one end and No. 4 interface air circuit connections of the six-way valve, the chromatography
The column other end and the detector air circuit connection；The detector is electrically connected with data processing and display equipment；The battery
Component reprints gas instrument, electric heating pressure reducing valve and data processing and display equipment electrical connection with the electricity respectively.
It further include flow control valve b as a preferred technical solution of the present invention, the flow control valve b, flow tune
It saves valve a and electric heating pressure reducing valve to connect by tee tube, flow control valve b air circuit connection has flowmeter b.
Further include that electricity turns driving gas instrument as a preferred technical solution of the present invention, the electricity turn to drive gas instrument with it is described
Six-way valve air circuit connection, the battery component and the electricity turn driving gas instrument and six-way valve is electrically connected.
As a preferred technical solution of the present invention, the battery component uses chargeable battery.
Compared with prior art, the beneficial effects of the present invention are: the present invention can add liquefied sample in sample inlet
It is thermal evaporation, and energy automatic cycle test sample, required carrier gas is reprinted gas instrument by electricity and is voluntarily provided, and can have battery after a loss of power
Assembly power supply automatic running guarantees the analysis and detection of the quality of production, in addition also avoids human factor bring measurement error.
Detailed description of the invention
Fig. 1 is that a kind of in-line analyzer for measuring fixed gas in refrigerant provided by the invention samples state signal
Figure；
Fig. 2 is that the present invention is a kind of for measuring the in-line analyzer sample introduction status diagram of fixed gas in refrigerant；
In figure: 1- electric heating pressure reducing valve；2- electricity reprints gas instrument；3- six-way valve；4- chromatographic column；5- detector；6- battery pack
Part；7- flow control valve a；8- quantitative loop；9- flowmeter a；10- data processing and display equipment；11- flow control valve b；12-
Flowmeter b；13- electricity turns driving gas instrument.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of for measuring the in-line analyzer of fixed gas in refrigerant, including electric heating pressure reducing valve 1, electricity
Reprinting gas instrument 2, six-way valve 3, chromatographic column 4, detector 5 and battery component 6,1 air circuit connection of electric heating pressure reducing valve has stream
No. 1 interface air circuit connection of adjustable valve a7, the flow control valve a7 and the six-way valve 3；No. 2 and 5 of the six-way valve 3
With 8 air circuit connection of quantitative loop of the six-way valve 3, No. 6 interface air circuit connections of the six-way valve 3 have flowmeter a9 for number interface；
No. 3 interface air circuit connections of carrier gas and the six-way valve 3, the electricity reprint another way in gas instrument 2 all the way in the electricity reprinting gas instrument 2
Carrier gas and 5 air circuit connection of detector；No. 4 interface air circuit connections of described 4 one end of chromatographic column and the six-way valve 3, the color
Compose 4 other end of column and 5 air circuit connection of detector；The detector 5 is electrically connected with data processing and display equipment 10；Institute
Battery component 6 is stated to reprint gas instrument 2, electric heating pressure reducing valve 1 and data processing with the electricity respectively and show that equipment 10 electrically connects
It connects.
For the present invention when being sampled, six-way valve 3 is adjusted to state as shown in Figure 1, at this time containing the refrigeration of fixed gas
Liquefied sample is carried out heating and gasifying by electric heating pressure reducing valve 1 by agent, and then the refrigerant of the gasification is successively through inflow-rate of water turbine tune
It is vented and (is emitted into after 1, No. 2 interface-quantitative loop 8- six-way valve 3,5, No. 6 interface-flowmeter a9 in section valve a7- six-way valve 3
In air), quantitative loop 8 is to play acquisition refrigerant sample to be detected in effect wherein；Sampling complete after and then into
Enter sample detection step, six-way valve 3 is adjusted to state as shown in Figure 2 at this time, while starting electricity and reprinting gas instrument 2, passes through electricity
It reprints gas instrument 2 and generates 2 road-load gas, wherein 3, No. 2 interfaces-quantitative loop 8- six-way valve 3 in six-way valve 3 is successively passed through in carrier gas all the way
5, No. 6 interfaces-chromatographic column 4- detector 5, by this carrier gas all the way by the sampling sample stored before in quantitative loop 8 bring into
Chromatographic column 4, the effect of chromatographic column 4 are will to be sent in detector 5 to test and analyze after the fixed gas separation in refrigerant, most
Processing is carried out to data and is shown by data processing and display equipment 10 afterwards, it is to make that electricity, which reprints the another way carrier gas that gas instrument 2 generates,
For Balance Air use.
In the specific implementation process, further include flow control valve b11, the flow control valve b11, flow control valve a7 with
And electric heating pressure reducing valve 1 is connected by tee tube, flow control valve b11 air circuit connection has flowmeter b12, and effect is to be used for
Branch will be carried out by the processed refrigerant of electric heating pressure reducing valve 1, and accelerate the flow velocity of another way.
It in the specific implementation process, further include that electricity turns driving gas instrument 13, which turns driving gas instrument 13 and 3 gas of six-way valve
Road connection, the battery component 6 turns driving gas instrument 13 with the electricity and six-way valve 3 is electrically connected, and turns driving gas instrument 13 by electricity
To drive the adjusting of six-way valve 3.
In the specific implementation process, the battery component 6 uses chargeable battery, uses convenient for charging is lasting.
Based on above-mentioned, present invention has the advantage that: the present invention can carry out heating gas to liquefied sample in sample inlet
Change, and energy automatic cycle test sample, required carrier gas is reprinted gas instrument by electricity and voluntarily provided, and there can be battery component after a loss of power
Power supply automatic running, guarantees the analysis and detection of the quality of production, in addition also avoids human factor bring measurement error.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (4)
1. a kind of for measuring the in-line analyzer of fixed gas in refrigerant, it is characterised in that: turn including electric heating pressure reducing valve, electricity
Carrier gas instrument, six-way valve, chromatographic column, detector and battery component, the electric heating pressure reducing valve air circuit connection have flow control valve
A, the flow control valve a and No. 1 interface air circuit connection of the six-way valve；The six-way valve 2 and No. 5 interfaces are six logical with this
The quantitative loop air circuit connection of valve, No. 6 interface air circuit connections of the six-way valve have flowmeter a；One is road-load in the electricity reprinting gas instrument
Gas and No. 3 interface air circuit connections of the six-way valve, the electricity reprint another way carrier gas and the detector air circuit connection in gas instrument；Institute
State chromatographic column one end and No. 4 interface air circuit connections of the six-way valve, the chromatographic column other end and the detector air circuit connection；Institute
It states detector and is electrically connected with data processing and display equipment；The battery component reprints gas instrument, electric heating with the electricity respectively
Pressure reducing valve and data processing and display equipment electrical connection.
2. according to claim 1 a kind of for measuring the in-line analyzer of fixed gas in refrigerant, it is characterised in that: also
Including flow control valve b, the flow control valve b, flow control valve a and electric heating pressure reducing valve are connected by tee tube, should
Flow control valve b air circuit connection has flowmeter b.
3. according to claim 1 a kind of for measuring the in-line analyzer of fixed gas in refrigerant, it is characterised in that: also
Turn driving gas instrument including electricity, which turns driving gas instrument and the six-way valve air circuit connection, and the battery component and the electricity turn to drive
Take offence instrument and six-way valve electrical connection.
4. it is any described a kind of for measuring the in-line analyzer of fixed gas in refrigerant in -3 according to claim 1, it is special
Sign is: the battery component uses chargeable battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810916950.7A CN108982203A (en) | 2018-08-13 | 2018-08-13 | It is a kind of for measuring the in-line analyzer of fixed gas in refrigerant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810916950.7A CN108982203A (en) | 2018-08-13 | 2018-08-13 | It is a kind of for measuring the in-line analyzer of fixed gas in refrigerant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108982203A true CN108982203A (en) | 2018-12-11 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810916950.7A Pending CN108982203A (en) | 2018-08-13 | 2018-08-13 | It is a kind of for measuring the in-line analyzer of fixed gas in refrigerant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654851A (en) * | 2021-07-20 | 2021-11-16 | 哈尔滨工程大学 | Device and method for sampling aerosol in containment vessel under severe accident condition |
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| CN2844916Y (en) * | 2005-09-07 | 2006-12-06 | 上海华爱色谱分析技术有限公司 | Online gas chromatograph under high temperature and high pressure |
| CN200979173Y (en) * | 2006-10-10 | 2007-11-21 | 江南大学 | Flue gas pretreatment apparatus |
| CN201518019U (en) * | 2009-11-05 | 2010-06-30 | 中国烟草总公司郑州烟草研究院 | On-line analysis connecting device for gas phase composition in cigarette mainstream smoke |
| CN204575602U (en) * | 2015-04-22 | 2015-08-19 | 上海福劳斯检测技术有限公司 | For the in-line analyzer of nitrogen in on-line analysis oxygen and argon gas |
| WO2017092368A1 (en) * | 2015-12-03 | 2017-06-08 | 朱伯秦 | Gas-phase chromatographic analyzer and gas sampling apparatus |
| CN107382008A (en) * | 2017-08-31 | 2017-11-24 | 河北国惠环保科技有限公司 | A kind of open waters Treatment of Sludge pyrolysis reactor and method for sludge treatment |
| CN108037217A (en) * | 2018-01-17 | 2018-05-15 | 中国环境科学研究院 | A kind of Portable exhaust gas analyzer and its operating method |
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2018
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| JPH10238909A (en) * | 1997-02-24 | 1998-09-11 | Hitachi Bill Shisetsu Eng Kk | Method and apparatus for efficiently recovering refrigerant as well as adsorption tank |
| CN2844916Y (en) * | 2005-09-07 | 2006-12-06 | 上海华爱色谱分析技术有限公司 | Online gas chromatograph under high temperature and high pressure |
| CN200979173Y (en) * | 2006-10-10 | 2007-11-21 | 江南大学 | Flue gas pretreatment apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654851A (en) * | 2021-07-20 | 2021-11-16 | 哈尔滨工程大学 | Device and method for sampling aerosol in containment vessel under severe accident condition |
| CN113654851B (en) * | 2021-07-20 | 2023-12-19 | 哈尔滨工程大学 | Device and method for sampling aerosol in containment under severe accident condition |
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