CN110412214A - A kind of deuterium concentration detection system - Google Patents
A kind of deuterium concentration detection system Download PDFInfo
- Publication number
- CN110412214A CN110412214A CN201910592965.7A CN201910592965A CN110412214A CN 110412214 A CN110412214 A CN 110412214A CN 201910592965 A CN201910592965 A CN 201910592965A CN 110412214 A CN110412214 A CN 110412214A
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- CN
- China
- Prior art keywords
- deuterium
- deuterium concentration
- valve
- detection system
- concentration detection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 title claims abstract description 66
- 229910052805 deuterium Inorganic materials 0.000 title claims abstract description 66
- 238000001514 detection method Methods 0.000 title claims abstract description 25
- 238000005070 sampling Methods 0.000 claims abstract description 24
- 239000013307 optical fiber Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 2
- 239000013068 control sample Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 15
- 238000012360 testing method Methods 0.000 abstract description 10
- 238000007689 inspection Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 23
- 238000012545 processing Methods 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005086 pumping 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
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2226—Sampling from a closed space, e.g. food package, head space
-
- 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
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of deuterium concentration detection system, each sampling slip element is made of a pneumatic diaphragm valve and a suspended body flowmeter；Calibration bypass elements are made of a cutting ferrule ball valve and a suspended body flowmeter；Main road element is made of deuterium concentration analyzer, needle-valve, pressure sensor and vacuum subassembly, and vacuum subassembly includes a pressure reducing valve, a pneumatic diaphragm valve and a vacuum generator.The system expandability is strong, one deuterium concentration analyzer can carry out Concentration Testing to more set deuterium process tanks, since deuterium concentration analyzer is somewhat expensive, this Centralizing inspection mode can greatly reduce the usage quantity of deuterium concentration analyzer, reduce equipment investment cost, and it can be calibrated after running for a period of time, it can untimed Reusability.
Description
Technical field
The present invention relates to optical fiber processing process equipments, and in particular to a kind of deuterium concentration detection system.
Background technique
Existing fiber deuterium treatment process passes through pipeline using micro-positive pressure inside process tank by deuterium/nitrogen mixed gas
It is flow to deuterium concentration analyzer, and exports and is discharged from instrument.Detection process gas flow, pressure are difficult to control, and time-consuming, efficiency
Low, testing conditions are uncontrollable thus detection inaccuracy, need every tank to be equipped with independent deuterium concentration analyzer, so needing to put into
More deuterium concentration analyzers, cost of investment are high.
Summary of the invention
The present invention provides a kind of deuterium concentration detection system, difficult to solve above-mentioned detection process gas flow to be checked, pressure
With control, time-consuming, low efficiency, testing conditions are uncontrollable thus detection inaccuracy, every tank are equipped with independent deuterium concentration analysis
Instrument needs to put into more deuterium concentration analyzers, the high problem of cost of investment.
A kind of deuterium concentration detection system, comprising: several sampling slips, are pooled to one at one Standard Gases calibration branch
A air inlet main road enters deuterium concentration analyzer, generates negative pressure taking by the vacuum generator of deuterium concentration analyzer lower exit
Gas in sample deuterium process tank to be checked.System detects the deuterium concentration of each branch according to automatic program, and suction sequence presses each
Each processing batch of the time point sequence that road deuterium tank puts into operation, each branch can be by setting often sub-sampling analysis, often
The concentration of secondary analysis, which can all carry out data storage record, can reload optical fiber, after starting, again after the completion of each processing batch
Sequence enters next processing batch.Calibration branch is for periodically calibrating concentration analyzer with Standard Gases sample.Each take
Sample bypass elements are made of a pneumatic diaphragm valve and a suspended body flowmeter；Bypass elements are demarcated by a cutting ferrule ball valve and one
A suspended body flowmeter composition；Main road element is made of deuterium concentration analyzer, needle-valve, pressure sensor and vacuum subassembly, vacuum
Component includes a pressure reducing valve, a pneumatic diaphragm valve and a vacuum generator.The system expandability is strong, and a deuterium is dense
Concentration Testing, since deuterium concentration analyzer is somewhat expensive, this Centralizing inspection can be carried out to more set deuterium process tanks by spending analyzer
Mode can greatly reduce the usage quantity of deuterium concentration analyzer, reduce equipment investment cost, and after running for a period of time
It can be calibrated, it can untimed Reusability.
The beneficial effects of the present invention are: the system expandability is strong, a deuterium concentration analyzer can be to more set deuterium processing
Tank carries out Concentration Testing, greatly reduces the usage quantity of deuterium concentration analyzer, reduces equipment investment cost.Occurred by vacuum
The control of device suction and flowmeter, thus testing conditions do not depend on the pressure in deuterium process tank, testing result is accurate and reliable.Through
The concentration meter of calibration can untimed use repeatedly.
Detailed description of the invention
Fig. 1 is the connection schematic diagram of deuterium concentration detection system.
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 belongs to the scope of protection of the invention.
Referring to Fig. 1, deuterium concentration detection system 100 for carrying out deuterium Concentration Testing to several samples respectively.
In the present embodiment there are 9 samples to be tested and 1 Standard Gases sample, deuterium concentration detection system 100 to contain deuterium
Gas concentration analyzer 1, control system 6 and corresponding 9 sampling slips, one end of each sampling slip respectively with 1 deuterium to be measured
The air inlet of the connection of gas disposal tank, the other end and deuterium concentration analyzer 1 connects, and each sample to be tested is by control system 6
Control controls metered flow by opening pneumatic diaphragm valve 2, and by suspended body flowmeter 7, and it is dense by deuterium which is mixed gas
It spends analyzer 1 and carries out deuterium concentration analysis.
Deuterium concentration analyzer 1 (preferably XMTC-62-11 type deuterium concentration analyzer), connect outside gas outlet needle-valve 5,
Pressure sensor 4 and vacuum generator mould group contain pressure reducing valve 1, pneumatic diaphragm valve 2, vacuum generator 3.
The driving gas source of vacuum generator 3 is nitrogen, N2Input pipe is equipped with pressure regulator valve 1 and pneumatic diaphragm valve 2, N2Input
Pipe inputs nitrogen as the pumping power for extracting deuterium concentration analyzer 1 to vacuum generator 3.
Deuterium Concentration Testing process is as follows:
1. sampling 1~sampling 9 is respectively connected to each deuterium process tank；
2. opening pneumatic diaphragm valve 2, it is passed through nitrogen, power is provided to vacuum generator 3, observes shown in pressure sensor 4
Pressure is adjusted vacuum pressure to process requirement pressure, about -80KPa by regulating gas pressure regulator valve 1.
3. being separately turned on each branch pneumatic diaphragm valve 2, the suspended body flowmeter on metering pin valve 5, sampling 1~9 pipelines of sampling
7, sample flow is adjusted to process requirement flow, 250ml/min；
4. when starting processing, being handled by the corresponding deuterium of 6 operation interface of automatic control system starting sampling, 1~sampling 9
Tank, and every batch of sub-sampling number is set, the parameters such as sampling interval, automatic control system 6 includes: control cabinet, human-machine operation circle
Face HMI, programmable logic controller (PLC) PLC, short circuit overload protection miniature circuit breaker, exchange turn direct-current switch power supply, control
The relevant parameter of each branch sampling is arranged in the solenoid valve of pneumatic threshold switch, man machine operation interface HMI display system operating status,
And the operation of corresponding function instruction is carried out, programmable logic controller (PLC) PLC receives the parameter and operational order of HMI setting, passes through
Control program prepared in advance, control are carried out sampling, the analysis, record of deuterium concentration by the sequence of each branch starting.Each branch
Sampling is not interfere with each other, and after single spur track completes deuterium processing, can launch next optical fiber batch again, puts into deuterium processing again,
And start concentration analysis and enter new sort, it sequentially handles infinitely.
5. record sampling 1~sampling, 9 boot sequences of automatic control system 6, and deuterium process tank 1 is determined according to preset parameter
The sample time of~tank 9.After timing reaches sample time, pneumatic diaphragm valve 2 is automatically turned on, by vacuum generator 3 by deuterium
9 internal residual gas of concentration analyzer is taken out to the greatest extent, to eliminate influence of the residual gas to current measurement value, and gas is accelerated to flow,
Delayed start-up samples pneumatic diaphragm valve 2, extracts mixed gas in deuterium tank and is detected, detection data shows and saves to automatic control
System 6 can read detection data by remote computer and carry out sorting and file.After the detection duration for reaching setting, gas is automatically closed
Dynamic diaphragm valve 2, stops sampling；
6. the calibration in general 6 months of deuterium concentration analyzer 9 calibration is primary, the ball valve 8 for opening connection Standard Gases can be to concentration
Analyzer 9 carries out zero point correction；Full scale calibration can be carried out to concentration analyzer 9 by connecting full scale calibrating gas.
The present embodiment has the advantage that as follows:
1. accurately controlling gas pressure when deuterium concentration sample detection by gas pressure regulating valve, needle-valve, suspended body flowmeter
Power and flow reduce the loss of deuterium during optical fiber processing.
2. vacuum generator can generate pull of vacuum, accelerates gas flowing when sample detection, shorten detection time.
3. manpower is saved using the sampling of 6 automatic control mode of automatic control system, analysis, record, convenient for management.
4. the system expandability is strong, 1 deuterium concentration analyzer can carry out Concentration Testing to more set deuterium processing units, greatly
The big quantity required for reducing deuterium concentration analyzer, reduces equipment investment cost.
Embodiments of the present invention above described embodiment only expresses, the description thereof is more specific and detailed, but can not
Therefore it is construed as limiting the scope of the patent.It should be pointed out that for those of ordinary skill in the art, In
Under the premise of not departing from present inventive concept, various modifications and improvements can be made, and these are all within the scope of protection of the present invention.
Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (5)
1. a kind of deuterium concentration detection system, it is characterised in that:
Each sampling slip element is made of a pneumatic diaphragm valve and a suspended body flowmeter；Bypass elements are demarcated to be blocked by one
Cover ball valve and a suspended body flowmeter composition；Main road element is by deuterium concentration analyzer, needle-valve, pressure sensor and vacuum group
Part is constituted, and vacuum subassembly includes a pressure reducing valve, a pneumatic diaphragm valve and a vacuum generator.
2. deuterium concentration detection system according to claim 1, which is characterized in that each branch is taken by pneumatic operated valve control
Sample starts and stops, and flowmeter controls sampling velocity.
3. deuterium concentration detection system according to claim 2, which is characterized in that pass through the negative pressure conduct of vacuum generator
Power sampling.
4. deuterium concentration detection system according to claim 3, which is characterized in that handled by auto-programming according to deuterium
The time point sequence that case puts into operation, to the multiple sampling analysis of each batch of each branch and records data.Each batch is completed
Afterwards, can reload optical fiber, carry out next batch processed, and each branch independent detection is not interfere with each other.
5. deuterium concentration detection system according to claim 4, which is characterized in that system is from bandgap calibration branch, through demarcating
Concentration analyzer afterwards can untimed Reusability.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910592965.7A CN110412214A (en) | 2019-07-03 | 2019-07-03 | A kind of deuterium concentration detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910592965.7A CN110412214A (en) | 2019-07-03 | 2019-07-03 | A kind of deuterium concentration detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110412214A true CN110412214A (en) | 2019-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910592965.7A Pending CN110412214A (en) | 2019-07-03 | 2019-07-03 | A kind of deuterium concentration detection system |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113324808A (en) * | 2021-05-28 | 2021-08-31 | 华能国际电力股份有限公司上海石洞口第一电厂 | Smoke subarea synchronous sampling and measuring system and method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201969504U (en) * | 2010-12-30 | 2011-09-14 | 江苏通鼎光电股份有限公司 | On-line deuterium/nitrogen mixing device capable of recovering deuterium gas |
| CN104909584A (en) * | 2015-05-26 | 2015-09-16 | 青海中利光纤技术有限公司 | Optical fiber deuterium gas treatment device capable of detecting deuterium gas concentration |
| CN207263503U (en) * | 2017-06-14 | 2018-04-20 | 湖北凯乐量子通信光电科技有限公司 | A kind of deuterium concentration for the treatment of on-Line Monitor Device for optical fiber |
-
2019
- 2019-07-03 CN CN201910592965.7A patent/CN110412214A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201969504U (en) * | 2010-12-30 | 2011-09-14 | 江苏通鼎光电股份有限公司 | On-line deuterium/nitrogen mixing device capable of recovering deuterium gas |
| CN104909584A (en) * | 2015-05-26 | 2015-09-16 | 青海中利光纤技术有限公司 | Optical fiber deuterium gas treatment device capable of detecting deuterium gas concentration |
| CN207263503U (en) * | 2017-06-14 | 2018-04-20 | 湖北凯乐量子通信光电科技有限公司 | A kind of deuterium concentration for the treatment of on-Line Monitor Device for optical fiber |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113324808A (en) * | 2021-05-28 | 2021-08-31 | 华能国际电力股份有限公司上海石洞口第一电厂 | Smoke subarea synchronous sampling and measuring system and method thereof |
| CN113324808B (en) * | 2021-05-28 | 2023-09-15 | 华能国际电力股份有限公司上海石洞口第一电厂 | Flue gas partition synchronous sampling measurement system and method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20191105 |