CN106353442A - Micro-chromatograph underwater beam tube monitoring system - Google Patents
Micro-chromatograph underwater beam tube monitoring system Download PDFInfo
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- CN106353442A CN106353442A CN201610660100.6A CN201610660100A CN106353442A CN 106353442 A CN106353442 A CN 106353442A CN 201610660100 A CN201610660100 A CN 201610660100A CN 106353442 A CN106353442 A CN 106353442A
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- gas
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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
- G01N30/88—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86
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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
- G01N30/88—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86
- G01N2030/8804—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86 automated systems
Abstract
The invention discloses a micro-chromatograph underwater beam tube monitoring system. The system comprises underground equipment and ground equipment. The ground equipment comprises a communication control device, and the underground equipment comprises a detection analysis portion and a beam tube sampling portion and is connected with the ground communication control device through a network. The detection analysis portion comprises a miniature gas chromatograph, a standard gas sample feeding control treatment device, a sample gas feeding and drying control treatment device and a carrier gas supply control device. The beam tube sampling portion comprises an intrinsic safety gating combined control device. The micro-chromatograph underwater beam tube monitoring system has advantages that online automatic high-precision real-time monitoring of gas contents of underground monitoring points is directly realized in an underground environment; unattended long-term reliable operation of the chromatograph is realized; network sharing of monitoring data results is realized; by adoption of an explosion-proof technique, operational reliability and normality in a flammable and combustible environment can be guaranteed, and adaptability to positive-pressure or negative-pressure sample gas collection modes is realized.
Description
Technical field
The invention belongs to fields of measurement, especially relate to a kind of down-hole that is used directly in and carry out gas composition analysis
Microfluidic chromatography down-hole Tube Bundle Monitoring System.
Background technology
The method that the gas analyses of current underground coal mine mainly adopt is that artificial or beam tube systematic sampling is passed through, in well in down-hole
Upper ground surface monitoring analysis.
Using manual measurement or sampling, by survey crew directly measuring in-site measurement, or deliver to ground after sampling and carry out
Analysis.Measure place flexibly, but frequency is low, and normal gas sample can only be measured, hazardous environment measuring point cannot measure.
Using beam tube sampling, beam tube sampling+chromatographic analysis system (or online infrared analysiss system).Layout conveniently,
Measure not affected by environment, measurement range, precision are unrestricted.
The deficiency that current coal mine gas analysis exists: a, gas sample are long for analysis time.Need ten from air inlet to going out result rather
Clock is it is impossible to adapt to the requirement of continuous detecting.B, gas chromatograph, due to there being " hydrogen flame detector ", are unsuitable for down-hole and use.C, gas
Sample analysis needs manually to participate in sometimes, it usually needs professional operates.D, each system independent operating, data can not be shared.E, lack
Weary necessary technical Analysis are supported.F, patterned network share are supported not enough.
For eliminating the problem that current coal mine underground gas analysis exists, system body equipment is arranged in well by the present invention
Under, it is connected with computer on well by network.Underground equipment can be divided into detection and analysis and beam tube sampling two parts, beam tube sampling portion
Malleation gas transmission or the gas means of conveyance of negative pressure ventilation are held by branch, can the sample gas of eight monitoring points be sampled simultaneously.
Content of the invention
In order to solve the above problems, present invention offer is a kind of can be in the microfluidic chromatography down-hole of underground coal mine environment reliability service
Tube Bundle Monitoring System.
The technical solution of the present invention is:
Microfluidic chromatography down-hole Tube Bundle Monitoring System, including underground equipment and uphole equipment, described uphole equipment includes Communication Control dress
Put, described underground equipment is divided into detection and analysis and beam tube sampling two parts, described underground equipment passes through network and communication control on well
Device processed connects, and described detection and analysis part inclusion micro gas chromatograph, gas sample introduction control process device, sample gas sample introduction are done
Dry control process device, carrier gas apparatus for controlling of supply, described beam tube sampling part includes intrinsic safety gating grouped controls, described
Gas sample introduction control process device, sample gas sample introduction drying control processing meanss, carrier gas apparatus for controlling of supply are miniature with described respectively
Gas chromatograph is connected with communication control unit, and described intrinsic safety gating grouped controls pass through sample gas sample introduction drying control and process
Device is connected with micro gas chromatograph, and described micro gas chromatograph is connected with communication control unit.
This system also includes mine flameproof and intrinsic safety type control chamber, described mine flameproof and intrinsic safety type control chamber
It is arranged on down-hole, is made up of with protective housing explosion-proof tank, top is explosion-proof tank, equipped with micro gas chromatograph, bottom is anti-for inside
Protecting box, inside is equipped with gas sample introduction control process device, sample gas sample introduction drying control processing meanss, carrier gas apparatus for controlling of supply.
It is further preferred that described communication control unit includes computer, Communication Control plate, power supply；Described Communication Control plate
Electrically connect with computer, described Communication Control plate arranges power supply.
It is further preferred that described gas sample introduction control process device includes gas tank, gas secondary pressure decompression instrument, mark
Air pressure force transducer, gas air intake control valve；Gas in described gas tank passes sequentially through gas secondary pressure decompression instrument, gas
Pressure transducer, gas air intake control valve enter micro gas chromatograph.
It is further preferred that described carrier gas apparatus for controlling of supply includes carrier gas tank, carrier gas secondary pressure decompression instrument, carrier gas are entered
Gas control valve, nebulizer gas pressure sensor；In described carrier gas tank, carrier gas controls through carrier gas secondary pressure decompression instrument, carrier gas air inlet
Valve, nebulizer gas pressure sensor enter micro gas chromatograph.
It is further preferred that described sample gas sample introduction drying control processing meanss include artificial injection port, device for drying and filtering, do
Dryness carrying shield, be dried source of the gas secondary pressure decompression instrument, exsiccator, bleed pressure sensor, dry gas stream control valve are dried, enter
Sample pressure indicator, exsiccator pressure indicator, sample introduction pressure maintaining valve, air pressure force control valve is dried；Artificial sample gas is through artificial
Injection port, sample introduction pressure indicator enter micro gas chromatograph by sample introduction pressure maintaining valve after entering device for drying and filtering；Described dry
Source of the gas drying source of the gas secondary pressure decompression instrument is dried, air pressure force control valve entrance exsiccator is dried in dryness carrying shield, is dried
Being dried after source of the gas drying bleed pressure sensor enters device for drying and filtering in device enters miniature gas phase by sample introduction pressure maintaining valve
Chromatograph；Be connected with described device for drying and filtering go to take out is provided with exsiccator pressure indicator on pipeline and dry gas stream amount controls
Valve.
It is further preferred that described intrinsic safety gating grouped controls include intrinsic safety gating multifunctional electromagnetic valves and beam tube input
Interface, at described beam tube input interface, the sample gas of collection enters through intrinsic safety gating multifunctional electromagnetic valves, device for drying and filtering, sample introduction pressure maintaining valve
Enter micro gas chromatograph.
It is further preferred that described beam tube sampling part supports malleation gas transmission or the gas means of conveyance of negative pressure ventilation.
The operation of underground equipment is controlled by communication control unit on well completely, after power supply energising, according to down-hole beam tube
Lay distance, carry out beam tube sampling in advance, the sample fate of monitoring point is loaded onto Underground Mine Flameproof intrinsically safe control chamber,
After the dedusting of beam tube collection sample gas drying filter removes water process, enter micro gas chromatograph, and micro gas chromatograph
Before activation, controlled by communication control unit and be passed through carrier gas, after stable, need first with gas, micro gas chromatograph to be entered
Rower school, subsequently tests and analyzes to sample gas, and communication control unit can gate opening of multifunctional electromagnetic valves 9-1 by controlling intrinsic safety
Closed state, select corresponding monitoring point treats that sample gas enters micro gas chromatograph, carries out detection point by micro gas chromatograph
Analysis, generates spectrogram and form according to detection data, and staff is become to breeding fire using this spectrogram and form
Gesture judges.
Under communication control unit control, downhole micro gas chromatograph can carry out Accurate Analysis to the gas of monitoring point,
Realize to co, co2、ch4、c2h4、c2h6、c2h2、o2、n2The on-line monitoring of gas content, its analysis result spectrogram, form side
While formula is supplied to the relevant personnel, it is automatically credited in data base, the variation tendency of certain gas content can be carried out point in the future
Analysis, after calculating the content of collection gas componant and gas constituent, by the variation tendency of gas componant, using quick-fried
Fried triangle and four directions figure, the data rule such as alkane alkene ratio judges ignition trend and the condition of a fire, the trend of forecast spontaneous combustionof coal, and prediction is pre-
The temperature change of report ignition point.
The present invention has the advantages that compared with the prior art
(1) present invention achieves directly supervising when subsurface environment is to the on-line automatic high-precision real of underground monitoring point gas content
Survey；
(2), the present invention enables network remote control it is achieved that the unmanned that runs reliably and with long-term in down-hole of chromatograph；
(3) present invention achieves the network share of Monitoring Data result；
(4) instant invention overcomes currently traditional spontaneous fire in coal mine monitoring system detected gas long transmission distance, monitoring time
Shortcoming long, that accuracy of detection is low；
(5), the present invention adopt explosion-proof technology it is ensured that in inflammable and explosive environment reliable normal work, the present invention be first will
Chromatograph is used for the gas on-line monitoring system in the complex environment of down-hole；
(6), the present invention adapts to malleation or negative pressure sample gas gas collecting mode, can the sample gas of eight monitoring points be taken simultaneously
Sample.
Brief description
Fig. 1 is the overall structure diagram of microfluidic chromatography down-hole of the present invention Tube Bundle Monitoring System；
In figure, 1, carrier gas tank, 2, gas tank, 3, source of the gas tank be dried, 4, carrier gas secondary pressure decompression instrument, 4-1, gas secondary pressure
Decompression instrument, 4-2, is dried source of the gas secondary pressure decompression instrument, and 5, carrier gas air intake control valve, 6, nebulizer gas pressure sensor, 6-1, gas
Pressure transducer, 6-2, is dried bleed pressure sensor, and 7, computer, 8, sample introduction pressure controller, 9, beam tube input interface, 9-1,
Intrinsic safety gates multifunctional electromagnetic valves, and 10, Communication Control plate, 11, power supply, 12, micro gas chromatograph, 13, pressure maintaining valve, 14, gas
Air intake control valve, 15, exsiccator, 16, sample introduction pressure indicator, 16-1, exsiccator pressure indicator, 17, device for drying and filtering,
18th, artificial injection port, 19, air pressure force control valve be dried, 20, dry gas stream control valve.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes.
Embodiment 1, such as Fig. 1, microfluidic chromatography down-hole Tube Bundle Monitoring System, including underground equipment and uphole equipment, on described well
Equipment includes communication control unit, and described underground equipment is divided into detection and analysis and beam tube sampling two parts, and described underground equipment leads to
Cross network to be connected with communication control unit on well, described detection and analysis part includes micro gas chromatograph, gas sample introduction controls
Processing meanss, sample gas sample introduction drying control processing meanss, carrier gas apparatus for controlling of supply, described beam tube sampling part includes intrinsic safety choosing
Logical grouped controls, described gas sample introduction control process device, sample gas sample introduction drying control processing meanss, carrier gas supply control
Device is connected with described micro gas chromatograph and communication control unit respectively, and described intrinsic safety gating grouped controls pass through sample
Gas sample introduction drying control processing meanss are connected with micro gas chromatograph, described micro gas chromatograph and communication control unit phase
Even.
This system also includes mine flameproof and intrinsic safety type control chamber, described mine flameproof and intrinsic safety type control chamber
It is arranged on down-hole, is made up of with protective housing explosion-proof tank, top is explosion-proof tank, equipped with micro gas chromatograph, bottom is anti-for inside
Protecting box, inside is equipped with gas sample introduction control process device, sample gas sample introduction drying control processing meanss, carrier gas apparatus for controlling of supply.
It is further preferred that described communication control unit includes computer 7, Communication Control plate 10, power supply 11；Described communication control
Making sheet 10 is electrically connected with computer 7, and described Communication Control plate 10 arranges power supply 11.
It is further preferred that described gas sample introduction control process device includes gas tank 2, gas secondary pressure decompression instrument 4-
1st, gas pressure transducer 6-1, gas air intake control valve 14；Gas in described gas tank 2 passes sequentially through gas secondary pressure
Decompression instrument 4-1, gas pressure transducer 6-1, gas air intake control valve 14 enter micro gas chromatograph 12.
It is further preferred that described carrier gas apparatus for controlling of supply includes carrier gas tank 1, carrier gas secondary pressure decompression instrument 4, carrier gas
Air intake control valve 5, nebulizer gas pressure sensor 6；In described carrier gas tank 1, carrier gas is through carrier gas secondary pressure decompression instrument 4, carrier gas air inlet
Control valve 5, nebulizer gas pressure sensor 6 enter micro gas chromatograph 12.
It is further preferred that described sample gas sample introduction drying control processing meanss include artificial injection port 18, device for drying and filtering
17th, source of the gas tank 3 is dried, source of the gas secondary pressure decompression instrument 4-2, exsiccator 15 is dried, bleed pressure sensor 6-2, drying are dried
Flow control valves 20, sample introduction pressure indicator 16, exsiccator pressure indicator 16-1, sample introduction pressure maintaining valve 13, atmospheric pressure is dried
Control valve 19；Artificial sample gas through artificial injection port 18, sample introduction pressure indicator 16 enter device for drying and filtering 17 after pass through into
Sample pressure maintaining valve 13 enters micro gas chromatograph 12；Described be dried in source of the gas tank 3 source of the gas drying source of the gas secondary pressure is dried
Decompression instrument 4-2, be dried air pressure force control valve 19 enter exsiccator 15, in exsiccator 15 be dried source of the gas drying bleed pressure pass
Sensor 6-2 enters micro gas chromatograph 12 by sample introduction pressure maintaining valve 13 after entering device for drying and filtering 17；With described dry filter
What device 17 connected goes to take out and is provided with exsiccator pressure indicator 16-1 and dry gas stream control valve 20 on pipeline.
It is further preferred that described intrinsic safety gating grouped controls include intrinsic safety gating multifunctional electromagnetic valves 9-1 and beam tube
Input interface 9, at described beam tube input interface 9 collection sample gas through intrinsic safety gating multifunctional electromagnetic valves 9-1, device for drying and filtering 17,
Sample introduction pressure maintaining valve 13 enters micro gas chromatograph 12.
It is further preferred that described beam tube sampling part supports malleation gas transmission or the gas means of conveyance of negative pressure ventilation.
The operation of underground equipment is controlled by communication control unit on well completely, after power supply 11 energising, according to down-hole beam tube
Lay distance, carry out beam tube sampling in advance, by the sample fate of monitoring point be loaded onto Underground Mine Flameproof intrinsically safe control
Case, after the dedusting of beam tube collection sample gas drying filter 17 removes water process, enters micro gas chromatograph 12, and miniature gas phase
Chromatograph 12 before activation, is controlled by communication control unit and is passed through carrier gas, after stable, needs first with gas to miniature gas phase
Chromatograph 12 carries out calibration, subsequently sample gas is tested and analyzed, and communication control unit can be by controlling intrinsic safety gating combination electricity
The open and-shut mode of magnet valve 9-1, select corresponding monitoring point treats that sample gas enters micro gas chromatograph 12, by micro-scale gas chromatograph
Instrument 12 is tested and analyzed, and generates spectrogram and form according to detection data, and staff utilizes this spectrogram and form to underground coal
The trend of layer spontaneous fire judges.
Under communication control unit control, downhole micro gas chromatograph can carry out Accurate Analysis to the gas of monitoring point,
Realize to co, co2、ch4、c2h4、c2h6、c2h2、o2、n2The on-line monitoring of gas content, its analysis result spectrogram, form side
While formula is supplied to the relevant personnel, it is automatically credited in data base, the variation tendency of certain gas content can be carried out point in the future
Analysis, after calculating the content of collection gas componant and gas constituent, by the variation tendency of gas componant, using quick-fried
Fried triangle and four directions figure, the data rule such as alkane alkene ratio judges ignition trend and the condition of a fire, the trend of forecast spontaneous combustionof coal, and prediction is pre-
The temperature change of report ignition point.
Although the above-mentioned accompanying drawing that combines is described to the specific embodiment of the present invention, not to invention protection domain
Restriction, one of ordinary skill in the art should be understood that, on the basis of technical scheme, those skilled in the art are not required to
The various modifications that creative work to be paid can be made or deformation are still within the scope of the present invention.
Claims (8)
1. microfluidic chromatography down-hole Tube Bundle Monitoring System, including underground equipment and uphole equipment, described uphole equipment includes Communication Control
Device, described underground equipment is divided into detection and analysis and beam tube sampling two parts, and described underground equipment passes through network and communication on well
Control device connects it is characterised in that described detection and analysis part includes micro gas chromatograph, gas sample introduction control process dress
Put, sample gas sample introduction drying control processing meanss, carrier gas apparatus for controlling of supply, described beam tube sampling part include intrinsic safety gating combination
Control device, described gas sample introduction control process device, sample gas sample introduction drying control processing meanss, carrier gas apparatus for controlling of supply divide
It is not connected with described micro gas chromatograph and communication control unit, described intrinsic safety gating grouped controls pass through sample gas sample introduction
Drying control processing meanss are connected with micro gas chromatograph, and described micro gas chromatograph is connected with communication control unit.
2. microfluidic chromatography down-hole Tube Bundle Monitoring System according to claim 1 it is characterised in that this system also include mining every
Quick-fried intrinsic safety type control chamber, described mine flameproof and intrinsic safety type control chamber is arranged on down-hole, by explosion-proof tank and protection
Case forms, and top is explosion-proof tank, and internal equipped with micro gas chromatograph, bottom is protective housing, and inside controls equipped with gas sample introduction
Processing meanss, sample gas sample introduction drying control processing meanss, carrier gas apparatus for controlling of supply.
3. microfluidic chromatography down-hole Tube Bundle Monitoring System according to claim 2 is it is characterised in that described communication control unit bag
Include computer (7), Communication Control plate (10), power supply (11)；Described Communication Control plate (10) is electrically connected with computer (7), described communication
Panel (10) is upper to arrange power supply (11).
4. microfluidic chromatography down-hole Tube Bundle Monitoring System according to claim 2 is it is characterised in that at described gas sample introduction control
Reason device includes gas tank (2), gas secondary pressure decompression instrument (4-1), gas pressure transducer (6-1), gas air inlet control
Valve (14)；Gas in described gas tank (2) passes sequentially through gas secondary pressure decompression instrument (4-1), gas pressure transducer (6-
1), gas air intake control valve (14) enters micro gas chromatograph (12).
5. microfluidic chromatography down-hole Tube Bundle Monitoring System according to claim 2 is it is characterised in that described carrier gas supply controls dress
Put including carrier gas tank (1), carrier gas secondary pressure decompression instrument (4), carrier gas air intake control valve (5), nebulizer gas pressure sensor (6)；Institute
State the interior carrier gas of carrier gas tank (1) through carrier gas secondary pressure decompression instrument (4), carrier gas air intake control valve (5), nebulizer gas pressure sensor
(6) enter micro gas chromatograph (12).
6. microfluidic chromatography down-hole Tube Bundle Monitoring System according to claim 2 is it is characterised in that described sample gas sample introduction is dried control
Processing meanss processed include artificial injection port (18), device for drying and filtering (17), source of the gas tank (3) are dried, source of the gas secondary pressure is dried subtracts
Pressure instrument (4-2), exsiccator (15), bleed pressure sensor (6-2) is dried, dry gas stream control valve (20), sample introduction pressure refer to
Show instrument (16), exsiccator pressure indicator (16-1), sample introduction pressure maintaining valve (13), air pressure force control valve (19) is dried；Artificial sample
Gas passes through sample introduction pressure maintaining valve (13) after artificial injection port (18), sample introduction pressure indicator (16) enter device for drying and filtering (17)
Enter micro gas chromatograph (12)；Described be dried in source of the gas tank (3) be dried source of the gas drying source of the gas secondary pressure decompression instrument
(4-2) air pressure force control valve (19), is dried and enters exsiccator (15), in exsiccator (15), source of the gas drying bleed pressure is dried
Sensor (6-2) enters device for drying and filtering (17) and enters micro gas chromatograph (12) by sample introduction pressure maintaining valve (13) afterwards；With institute
State that device for drying and filtering (17) connects go to take out is provided with exsiccator pressure indicator (16-1) on pipeline and dry gas stream amount controls
Valve (20).
7. microfluidic chromatography down-hole Tube Bundle Monitoring System according to claim 2 is it is characterised in that the gating combination of described intrinsic safety is controlled
Device processed includes intrinsic safety gating multifunctional electromagnetic valves (9-1) and beam tube input interface (9), the collection of described beam tube input interface (9) place
Sample gas through intrinsic safety gating multifunctional electromagnetic valves (9-1), device for drying and filtering (17), sample introduction pressure maintaining valve (13) enter micro-scale gas chromatograph
Instrument (12).
8. microfluidic chromatography down-hole Tube Bundle Monitoring System according to claim 1 is it is characterised in that described beam tube sampling part is propped up
Hold malleation gas transmission or the gas means of conveyance of negative pressure ventilation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610660100.6A CN106353442B (en) | 2016-08-12 | 2016-08-12 | Microfluidic chromatography underground Tube Bundle Monitoring System |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610660100.6A CN106353442B (en) | 2016-08-12 | 2016-08-12 | Microfluidic chromatography underground Tube Bundle Monitoring System |
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| CN106353442B CN106353442B (en) | 2017-12-19 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107120141A (en) * | 2017-05-24 | 2017-09-01 | 淄博祥龙测控技术有限公司 | Spontaneous fire in coal mine monitoring method and device based on underground microfluidic chromatography and optical fiber temperature-measurement |
| CN108691564A (en) * | 2018-05-10 | 2018-10-23 | 淄博祥龙测控技术有限公司 | Spontaneous fire in coal mine monitor supervision platform |
| CN109030687A (en) * | 2018-07-19 | 2018-12-18 | 浙江赛鹭鑫仪器有限公司 | A kind of autosampler of carry sample store function |
| CN109975453A (en) * | 2019-03-19 | 2019-07-05 | 煤科集团沈阳研究院有限公司 | The intelligent automatic control system and control method of mining gas chromatograph |
| CN110501304A (en) * | 2018-05-16 | 2019-11-26 | 淄博祥龙测控技术有限公司 | Underground spectrum Tube Bundle Monitoring System |
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| CN110501304A (en) * | 2018-05-16 | 2019-11-26 | 淄博祥龙测控技术有限公司 | Underground spectrum Tube Bundle Monitoring System |
| CN109030687A (en) * | 2018-07-19 | 2018-12-18 | 浙江赛鹭鑫仪器有限公司 | A kind of autosampler of carry sample store function |
| CN109975453A (en) * | 2019-03-19 | 2019-07-05 | 煤科集团沈阳研究院有限公司 | The intelligent automatic control system and control method of mining gas chromatograph |
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| Publication number | Publication date |
|---|---|
| CN106353442B (en) | 2017-12-19 |
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