CN109085042A - Portable combustion gas analyzer and its analysis method - Google Patents
Portable combustion gas analyzer and its analysis method Download PDFInfo
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- CN109085042A CN109085042A CN201810834743.7A CN201810834743A CN109085042A CN 109085042 A CN109085042 A CN 109085042A CN 201810834743 A CN201810834743 A CN 201810834743A CN 109085042 A CN109085042 A CN 109085042A
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- 238000004458 analytical method Methods 0.000 title claims abstract description 37
- 239000000567 combustion gas Substances 0.000 title claims abstract description 23
- 239000007789 gas Substances 0.000 claims abstract description 107
- 238000001914 filtration Methods 0.000 claims abstract description 51
- 238000012545 processing Methods 0.000 claims abstract description 26
- 238000013500 data storage Methods 0.000 claims abstract description 14
- 238000004364 calculation method Methods 0.000 claims abstract description 13
- 238000004868 gas analysis Methods 0.000 claims abstract description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 229910052799 carbon Inorganic materials 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 239000006229 carbon black Substances 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 11
- 238000012360 testing method Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000005256 carbonitriding Methods 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 238000004320 controlled atmosphere Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
Classifications
-
- 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
- G01N1/34—Purifying; Cleaning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0011—Sample conditioning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0031—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
- G01N33/0032—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array using two or more different physical functioning modes
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Immunology (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses portable combustion gas analyzer and its analysis methods, the combustion gas analyzer includes power supply system and gas analysis system, the power supply system is powered to gas analysis system, the gas analysis system includes inventiona gas treatment module, gas flow adjustment module, analysis and processing module and display module, the inventiona gas treatment module includes passing through the sequentially connected air admission unit of tracheae, by-pass filtration unit, gas flow display unit, secondary filtration unit and three-stage filtration unit, the analysis and processing module includes sensor unit, exhaust unit, calculation of atmosphere device and data storage chip.The present invention can precisely detect the component in heat-treatment furnace atmosphere online, convenient for users to relevant criterion requirement is managed and met to Equipment for Heating Processing atmosphere quality.
Description
Technical field:
The invention belongs to carbon-potential control field in heat-treating atmosphere, in particular to portable combustion gas analyzer and its analysis side
Method.
Background technique:
The direction given priority to of heat treatment production technology first is that Atmosphere controlling heat-treatment, in non-oxidation heat treatment technics
In development trend, Atmosphere controlling heat-treatment is first elected, in current kind less, mass production, especially carbon steel is closed with general
The bright quenchings of golden structural steel elements, annealing, carburizing and quenching, carbo-nitriding quenching, gas nitrocarburizing are still based on controlled atmosphere
Means are wanted, so Atmosphere controlling heat-treatment is still the chief component of Advanced Heat Treatment Technologies, heat treatment at present is most of to be adopted
The atmosphere to furnace body precise measurement cannot be carried out online with the atmosphere control system of enclosed furnace body, but current furnace body, also not
Can completely records the real data of atmosphere in the furnace body course of work, therefore being badly in need of one kind being capable of online precise measurement furnace body atmosphere
And it is capable of the instrument of complete documentation measurement data.
The information disclosed in the background technology section is intended only to increase the understanding to general background of the invention, without answering
When being considered as recognizing or imply that the information constitutes the prior art already known to those of ordinary skill in the art in any form.
Summary of the invention:
The purpose of the present invention is to provide portable combustion gas analyzer and its analysis methods, to overcome the above-mentioned prior art
The defects of.
To achieve the above object, The technical solution adopted by the invention is as follows:
Portable combustion gas analyzer, including power supply system and gas analysis system, the power supply system give gas analysis system
System power supply, the gas analysis system include inventiona gas treatment module, gas flow adjustment module, analysis and processing module and display mould
Block, the inventiona gas treatment module include single by the sequentially connected air admission unit of tracheae, by-pass filtration unit, gas flow display
Member, secondary filtration unit and three-stage filtration unit, the analysis and processing module include sensor unit, exhaust unit, atmosphere meter
Calculate device and data storage chip.
Further, the by-pass filtration unit inhales carbon particle filtering, secondary filtration unit using filter core mistake using water suction
Filter, three-stage filtration unit use filter-cloth filtering.
Further, water suction suction carbon is respectively adopted in the by-pass filtration unit, secondary filtration unit and three-stage filtration unit
The mode of particle filtering, filter element filtering, filter-cloth filtering.
Further, the power supply system includes power supply, electric quantity of power supply display unit, and the power supply is using charging lithium electricity
Pond.
Further, the method process of portable combustion gas analyzer analysis furnace gas is as follows:
S1: gas pretreatment, portable combustion gas analyzer are connected to furnace gas, and furnace gas enters inventiona gas treatment module, furnace gas
By-pass filtration unit, gas flow display unit, secondary filtration unit and three-stage filtration unit, furnace gas are flowed to by air admission unit
In moisture and carbon black be filtered out；
S2: gas flow is adjusted, and furnace gas shows the flow value of gas when passing through gas flow display unit, and by the flow
Value feeds back to user, which is compared by user with preset flow value, if the flow value with set in advance
Fixed flow value is inconsistent, starts gas flow adjustment module, and gas flow is adjusted to consistent with setting value；
S3: gas composition analysis and processing, furnace gas enter analysis and processing module, sensor after inventiona gas treatment module
CO sensor module, CO2 sensor module and the CH4 sensor module of unit respectively carry out CO, CO2 and CH4 in furnace gas
Induction, and the information sensed is sent to calculation of atmosphere device, calculation of atmosphere device is according to formula:
Lg [(%CO) 2/ (%CO2)] * P=-6311/T+10.165+lgCp- (1-Cp) 2* (350/T+1.86)
Wherein %CO-refers to the content of CO in gas；
%CO2-refers to the CO2 content in gas；
P and T-is given value；
Calculate carbon potential Cp value；
S4: gas discharge, furnace gas flow to exhaust unit after the sensor unit of processing module by analysis, and gas is from exhaust
Unit discharge；
S5: calculated carbon potential value is sent data storage chip and display by data storage and display, calculation of atmosphere device
Module, display module show the content value and carbon potential value of current CO, CO2 and CH4.Using having for technical solution of the present invention
Beneficial effect is:
(1) under test gas first passes through by-pass filtration unit, secondary filtration list before entering analysis and processing module in the present invention
Member and three-stage filtration unit, can guarantee the quality of under test gas, to improve the accuracy of gas composition analysis；
(2) portable combustion gas analyzer of the invention is provided with gas flow display unit and gas flow adjustment module,
What can be ensured steady air current enters analysis and processing module, improves the accuracy of gas composition analysis；
(3) present invention is provided with data storage chip, can completely record the data of gas composition analysis, be conducive to use
Management of the family to Equipment for Heating Processing；
(4) on-line measurement can be realized as long as sample injection unit is connected to under test gas in the configuration of the present invention is simple, and online point
Analysis, the function of Real time displaying.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of portable combustion gas analyzer of the invention；
Fig. 2 is the method operation schematic diagram that combustion gas analyzer of the invention analyzes furnace gas；
Appended drawing reference: 1- power supply system, 11- power supply, 12- electric quantity of power supply display unit, 2- gas analysis system, 21- gas
Body processing module, 211- air admission unit, 212- by-pass filtration unit, 213- gas flow display unit, 214- secondary filtration list
Member, 215- three-stage filtration unit, 22- gas flow adjustment module, 23- analysis and processing module, 231- sensor unit, 232- row
Gas unit, 233- calculation of atmosphere device, 234- data storage chip, 24- display module.
Specific embodiment:
The specific embodiment of this practical invention is described in detail below, it is to be understood that protection scope of the present invention
It is not limited by the specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " includes " or its change
Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other members
Part or other component parts.
As shown in Figure 1, portable combustion gas analyzer, including power supply system 1 and gas analysis system 2, the power supply system 1
It powers to gas analysis system 2, the gas analysis system 2 includes inventiona gas treatment module 21, gas flow adjustment module 22, divides
Analyse processing module 23 and display module 24, the inventiona gas treatment module 21 include by the sequentially connected air admission unit 211 of tracheae,
By-pass filtration unit 212, gas flow display unit 213, secondary filtration unit 214 and three-stage filtration unit 215, the analysis
Processing module 23 includes sensor unit 231, exhaust unit 232, calculation of atmosphere device 233 and data storage chip 234.
Specifically, the sensor unit 231 includes CO sensor module, CO2 sensor module and CH4 sensor die
Block；The by-pass filtration unit 212, secondary filtration unit 214 and three-stage filtration unit 215 are respectively adopted water suction and inhale carbon particle mistake
Filter, filter element filtering, filter-cloth filtering mode；The power supply system 1 includes power supply 11, electric quantity of power supply display unit 12, the electricity
Source uses charged lithium cells；The display module 24 uses 8 cun of color high-definition touch screens, Chinese and English display interface.
As shown in Fig. 2, the method process of the portable combustion gas analyzer analysis furnace gas is as follows:
S1: gas pretreatment, portable combustion gas analyzer are connected to furnace gas, and furnace gas enters inventiona gas treatment module 21, furnace
Gas flows to by-pass filtration unit 212, gas flow display unit 213, secondary filtration unit 214 and three by air admission unit 211
Grade filter element 215, moisture and carbon black in furnace gas are filtered out；
S2: gas flow is adjusted, and furnace gas shows the flow value of gas when passing through gas flow display unit 213, and should
Flow value feeds back to user, which is compared by user with preset flow value, if the flow value and pre-
The flow value first set is inconsistent, starts gas flow adjustment module 22, and gas flow is adjusted to consistent with setting value；
S3: gas composition analysis and processing, furnace gas enter analysis and processing module 23 after inventiona gas treatment module 21, pass
CO sensor module, CO2 sensor module and the CH4 sensor module of sensor cell 231 respectively in furnace gas CO, CO2 and
CH4 is incuded, and the information sensed is sent to calculation of atmosphere device 233, and calculation of atmosphere device 233 is according to formula:
Lg [(%CO) 2/ (%CO2)] * P=-6311/T+10.165+lgCp- (1-Cp) 2* (350/T+1.86)
Wherein %CO-refers to the content of CO in gas；
%CO2-refers to the CO2 content in gas；
P and T-is given value；
Calculate carbon potential Cp value；
S4: gas discharge, furnace gas flow to exhaust unit 232, gas after the sensor unit 231 of processing module 23 by analysis
Body is discharged from exhaust unit 232；
S5: calculated carbon potential value is sent data storage chip 234 by data storage and display, calculation of atmosphere device 233
With display module 24, display module 24 shows the content value and carbon potential value of current CO, CO2 and CH4.
In the present invention under test gas enter analysis and processing module before first pass through by-pass filtration unit, secondary filtration unit and
Three-stage filtration unit, can guarantee the quality of under test gas, to improve the accuracy of gas composition analysis；Of the invention is portable
Formula combustion gas analyzer is provided with gas flow display unit and gas flow adjustment module, and what can be ensured steady air current enters
Analysis and processing module improves the accuracy of gas composition analysis；The present invention is provided with data storage chip and display module, as long as
Sample injection unit is connected to under test gas and on-line measurement can be realized and by data storage and display, can completely record gas
The data of component analysis are conducive to management of the user to Equipment for Heating Processing.
The aforementioned description to specific exemplary embodiment of the invention is in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed
And variation.The purpose of selecting and describing the exemplary embodiment is that explaining specific principle of the invention and its actually answering
With so that those skilled in the art can be realized and utilize a variety of different exemplary implementation schemes of the invention and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (6)
1. portable combustion gas analyzer, including power supply system and gas analysis system, the power supply system is to gas analysis system
Power supply, it is characterised in that: the gas analysis system includes inventiona gas treatment module, gas flow adjustment module, analysis processing mould
Block and display module, the inventiona gas treatment module include passing through the sequentially connected air admission unit of tracheae, by-pass filtration unit, gas
Flow quantity display unit, secondary filtration unit and three-stage filtration unit, the analysis and processing module include sensor unit, exhaust list
Member, calculation of atmosphere device and data storage chip.
2. portable combustion gas analyzer according to claim 1, it is characterised in that: the sensor unit includes CO sensing
Device module, CO2Sensor module and CH4Sensor module.
3. portable combustion gas analyzer according to claim 1, it is characterised in that: the by-pass filtration unit is using water suction
It inhales carbon particle filtering, secondary filtration unit and filter-cloth filtering is used using filter element filtering, three-stage filtration unit.
4. portable combustion gas analyzer according to claim 1, it is characterised in that: the power supply system includes power supply, electricity
Source electricity display unit.
5. portable combustion gas analyzer according to claim 4, it is characterised in that: the power supply uses charged lithium cells.
6. the method for portable combustion gas analyzer analysis furnace gas, comprising the following steps:
S1: gas pretreatment, portable combustion gas analyzer are connected to furnace gas, and furnace gas enters inventiona gas treatment module, and furnace gas passes through
Air admission unit flows to by-pass filtration unit, gas flow display unit, secondary filtration unit and three-stage filtration unit, in furnace gas
Moisture and carbon black are filtered out；
S2: gas flow is adjusted, and furnace gas shows the flow value of gas when passing through gas flow display unit, and the flow value is anti-
Feed user, which is compared by user with preset flow value, if the flow value with it is preset
Flow value is inconsistent, starts gas flow adjustment module, and gas flow is adjusted to consistent with setting value；
S3: gas composition analysis and processing, furnace gas enter analysis and processing module, sensor unit after inventiona gas treatment module
CO sensor module, CO2 sensor module and CH4 sensor module CO, CO2 and CH4 in furnace gas are incuded respectively,
And the information sensed is sent to calculation of atmosphere device, calculation of atmosphere device is according to formula:
Lg [(%CO)2/ (%CO2)] * P=-6311/T+10.165+lgCp- (1-Cp)2*(350/T+1.86)
Wherein %CO-refers to the content of CO in gas；
%CO2- refer to CO in gas2Content；
P and T-is given value；
Calculate carbon potential Cp value；
S4: gas discharge, furnace gas flow to exhaust unit after the sensor unit of processing module by analysis, and gas is from exhaust unit
Discharge；
S5: calculated carbon potential value is sent data storage chip and display module by data storage and display, calculation of atmosphere device,
Display module shows the content value and carbon potential value of current CO, CO2 and CH4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810834743.7A CN109085042A (en) | 2018-07-26 | 2018-07-26 | Portable combustion gas analyzer and its analysis method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810834743.7A CN109085042A (en) | 2018-07-26 | 2018-07-26 | Portable combustion gas analyzer and its analysis method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109085042A true CN109085042A (en) | 2018-12-25 |
Family
ID=64830836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810834743.7A Withdrawn CN109085042A (en) | 2018-07-26 | 2018-07-26 | Portable combustion gas analyzer and its analysis method |
Country Status (1)
| Country | Link |
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| CN (1) | CN109085042A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115684497A (en) * | 2022-11-09 | 2023-02-03 | 江苏丰东热技术有限公司 | Furnace gas monitoring system and method |
| CN117269429A (en) * | 2023-09-21 | 2023-12-22 | 中科卓异环境科技(东莞)有限公司 | Furnace atmosphere detection system and detection method |
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| JPH02195255A (en) * | 1989-01-25 | 1990-08-01 | Ngk Insulators Ltd | Apparatus for measuring carbon potential in furnace atmosphere in reduction atmosphere furnace |
| CN1137314A (en) * | 1993-12-14 | 1996-12-04 | 于西纳·萨西罗公司 | Fast continuous gas mixture analysis method and device |
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2018
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115684497A (en) * | 2022-11-09 | 2023-02-03 | 江苏丰东热技术有限公司 | Furnace gas monitoring system and method |
| CN117269429A (en) * | 2023-09-21 | 2023-12-22 | 中科卓异环境科技(东莞)有限公司 | Furnace atmosphere detection system and detection method |
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Application publication date: 20181225 |