CN205580988U - Device of passive laser detection of internal floating roof tank oil gas class mist - Google Patents
Device of passive laser detection of internal floating roof tank oil gas class mist Download PDFInfo
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- CN205580988U CN205580988U CN201620307029.9U CN201620307029U CN205580988U CN 205580988 U CN205580988 U CN 205580988U CN 201620307029 U CN201620307029 U CN 201620307029U CN 205580988 U CN205580988 U CN 205580988U
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- host computer
- sensor probe
- laser
- floating roof
- gas injection
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- 238000001514 detection method Methods 0.000 title claims abstract description 29
- 239000003595 mist Substances 0.000 title abstract 2
- 239000000523 sample Substances 0.000 claims abstract description 34
- 239000007789 gas Substances 0.000 claims abstract description 31
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000002347 injection Methods 0.000 claims abstract description 16
- 239000007924 injection Substances 0.000 claims abstract description 16
- 230000003287 optical effect Effects 0.000 claims abstract description 16
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract description 15
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000012544 monitoring process Methods 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 3
- 238000004880 explosion Methods 0.000 abstract description 2
- 239000000835 fiber Substances 0.000 abstract 1
- 230000008447 perception Effects 0.000 description 6
- 239000013307 optical fiber Substances 0.000 description 5
- 238000000041 tunable diode laser absorption spectroscopy Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The utility model relates to a device of passive laser detection of internal floating roof tank oil gas class mist, its constitution includes: sensor probe, temperature grating, laser detection host computer, control host computer, nitrogen gas injection device. Sensor probe and temperature grating are all installed at the roof manhole ring flange, and sensor probe corresponds the optical cable respectively and connects the laser that sets up in the safety zone and detect the host computer, detect the host computer and pass through the net twine and connect the net gape that sets up at the control host computer, and the control host computer passes through the net twine and connects the nitrogen gas injection device who sets up in the safety zone, and nitrogen gas injection device spouts the nitrogen sensor through the pipe connection setting at workspace roof manhole ring flange. Adopting distributed laser oil gas consistency transmitter, realizing on -the -spot passive detection, optic fibre long distance transmission light signal detects the host computer and places in the safety zone, can not produce owing to the danger such as explosion that the signal of telecommunication leads to, can realize the judgement to the leakage of oil gas concentration simultaneously fast, and is unusual if the discovery warning is in time got rid of.
Description
Technical field
This utility model relates to the device of the internal floating roof tank oil gas passive laser acquisition of class mixed gas that gas station, a kind of petroleum industry working region, inspection point and gas tank station use.
Background technology
At present, the conventional pipeline that known petrochemical industry uses is bled, pipeline transmits, safety zone chemical examination, air suction mode perception, perception hysteresis quality, formation negative pressure of bleeding, and air enters sealed compartment, produces to Oil Safety and brings high risks.If therefore there is burning or blast, that will be earth shaking security incident, and social stability and human progress be will also result in tremendous influence.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of distribution type laser gas concentration sensor and adapts to the unattended requirement of inner floating roof storage tank, it is capable of on-the-spot passive detection, optical fiber long range propagation optical signal, detection main frame is placed on place of safety, will not produce the danger such as the blast that causes due to the signal of telecommunication, can quickly realize the judgement to gas concentration leakage simultaneously, if finding to report to the police and getting rid of exception in time, and it is shown in distribution type laser detection main frame and monitoring master system.
Based on above-mentioned purpose, this utility model provides the device of a kind of internal floating roof tank oil gas passive laser acquisition of class mixed gas, and its composition includes: sensor probe, temperature grating, laser detection main frame, monitoring host computer, nitrogen gas injection apparatus；
Sensor probe and temperature grating all have four to be installed in inner floating roof oil storage tank tank deck manhole flange dish；
Two sensor probes installed by each roof manhole ring flange；
Four sensor probe corresponding optical cables respectively connect same the laser detection main frame being arranged on place of safety；
Optical cable transmission optical signal distance is up to ten kilometers；
Detection main frame connects the network interface of the monitoring host computer being arranged on place of safety by netting twine；
Monitoring host computer connects the nitrogen gas injection apparatus being arranged on place of safety by netting twine；
Nitrogen gas injection apparatus connects four spray nitrogen sensors being arranged on working area inner floating roof oil storage tank tank deck manhole flange dish by pipeline.
The beneficial effects of the utility model are:
1. a novel structure is arranged on the detection main frame of excitation laser signal in place of safety owing to sensor probe is connected by optical cable, and laser light beam is passive detection body, realize on-the-spot perception sensor probe not charged, completely passive equipment can be accomplished, realize the passive detection of gas concentration leakage rapidly and accurately；
2. owing to being provided with environment temperature sensor grating in a novel structure so that this product perception oil storage tank ambient temperature；
3. a novel structure connects transmission optical signal due to passive sensor probe and detection main frame optical fiber so that perception velocities 1-5s, life-span length, scalar period are long, and optical fiber connects ultimate range up to ten kilometers；
4. owing to being provided with laboratory gas concentration data base in a novel structure, determine with C3, C4 to be combined as the data base's oil gas compensation model under line of volatility oil gas concentration symbols thing in oil storage tank, the explosion limit parameter of dynamic calculation gas concentration and association, has accuracy and repeatability.Comply fully with the demand of detection in storage tank application；
5. owing to system response is rapid, data acquisition transmission is reliable in a novel structure, the dynamic complete and accurate of oil gas perception data have recorded overall process, can be that oil tank safe operation provides detailed data supporting.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation；
Fig. 2 is the space schematic diagram of this utility model gas concentration detection zone vertical side；
Fig. 3 is this utility model principle workflow diagram；
In figure, each label lists as follows
1 sensor probe (first sensor probe), 2 detection main frames, 3 monitoring host computers, 40 kilometers of optical fiber, 5 netting twines, 6 oil storage tanks, 7 second sensor probes, 8 the 3rd sensor probes, 9 the 4th sensor probes, 10 nitrogen gas injection apparatus, 11 nitrogen pipelines, 12 roof manhole ring flanges, 13 temperature gratings (the first temperature grating), 14 second temperature gratings, 15 the 3rd temperature gratings, 16 the 4th temperature gratings.
Detailed description of the invention
For making the purpose of this utility model, content and advantage clearer, below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.
Following example are used for illustrating this utility model, but are not limited to scope of the present utility model.
In an embodiment of the present utility model, refering to Fig. 1 and Fig. 2, present embodiments provide for the device of the internal floating roof tank oil gas passive laser acquisition of class mixed gas of a kind of dual probe fixed form, including: first sensor probe 1, second sensor probe the 7, the 3rd sensor probe the 8, the 4th sensor probe the 9, first temperature grating the 13, second temperature grating the 14, the 3rd temperature grating the 15, the 4th temperature grating 16, laser detection main frame 2, monitoring host computer 3, nitrogen gas injection apparatus 10；Described sensor probe 1 all has four to be installed in inner floating roof oil storage tank tank deck manhole flange dish 12 with temperature grating 13；Two sensor probes 1 installed by described each roof manhole ring flange 12；Two temperature gratings 13 installed by described each roof manhole ring flange 12；Described four sensor probes 1 corresponding optical cable 4 respectively connects same the laser detection main frame 2 being arranged on place of safety；Described optical cable 4 transmits optical signal distance up to ten kilometers；Described detection main frame 2 connects the network interface of the monitoring host computer 3 being arranged on place of safety by netting twine 5；Described monitoring host computer 3 connects the nitrogen gas injection apparatus 10 being arranged on place of safety by netting twine 5；Described nitrogen gas injection apparatus 10 connects four spray nitrogen sensors being arranged on working area inner floating roof oil storage tank tank deck manhole flange dish 12 by pipeline 11.
Fig. 3 is this utility model Cleaning Principle workflow diagram, refering to Fig. 3.The operation principle of present embodiment is as follows: laser signal launched by detection main frame 2, when there is gas concentration in air chamber 1 of popping one's head in (gas concentration natural diffuseness in atmosphere enters air chamber of popping one's head in), on probe air chamber 1, collimating element passes, by optical fiber flange interface access optical cable 4, the concentration laser signal detected back detection main frame 2, and by TDLAS technology, (TDLAS is the abbreviation of Tunable Diode Laser Absorption Spectroscopy to detection main frame 2.Translator of Chinese: tunable diode laser absorption spectroscopy) analyze the spectrum change of optical signal received, acquisition module input oil gas parameter (can manually select input, the selection setting multiple oil gas can be changed), input temp ambient parameter (gathers) automatically, reduced concentration burning-point curve, when gas concentration is beyond alarming value, detection main frame 2 and monitoring host computer 3 send alarm signal, nitrogen gas injection apparatus 10 receives after alarm signal nitrogen injection in oil storage tank secondary seal cabin, and staff takes safety measures according to alarm signal simultaneously.
In another embodiment of the present utility model, refering to Fig. 1, present embodiments provide for the device of the internal floating roof tank oil gas passive laser acquisition of class mixed gas of a kind of single probe fixed form, including: first sensor probe 1, second sensor probe the 7, first temperature grating the 13, second temperature grating 14, laser detection main frame 2, monitoring host computer 3, nitrogen gas injection apparatus 10, described sensor probe 1 all has two to be installed in inner floating roof oil storage tank tank deck manhole flange dish 12 with temperature grating 13；A sensor probe 1 installed by described each roof manhole ring flange 12；A temperature grating 13 installed by described each roof manhole ring flange 12；Said two sensor probe 1 corresponding optical cable 4 respectively connects same the laser detection main frame 2 being arranged on place of safety.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure utilizing this utility model description and accompanying drawing content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in scope of patent protection of the present utility model.
Claims (1)
1. the device of the internal floating roof tank oil gas passive laser acquisition of class mixed gas, it is characterised in that be made up of sensor probe, temperature grating, laser detection main frame, monitoring host computer, nitrogen gas injection apparatus；
Sensor probe and temperature grating all have four to be installed in inner floating roof oil storage tank tank deck manhole flange dish；
Two sensor probes installed by each roof manhole ring flange；
Four sensor probe corresponding optical cables respectively connect same the laser detection main frame being arranged on place of safety；
Optical cable transmission optical signal distance is up to ten kilometers；
Detection main frame connects the network interface of the monitoring host computer being arranged on place of safety by netting twine；
Monitoring host computer connects the nitrogen gas injection apparatus being arranged on place of safety by netting twine；
Nitrogen gas injection apparatus connects four spray nitrogen sensors being arranged on working area inner floating roof oil storage tank tank deck manhole flange dish by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620307029.9U CN205580988U (en) | 2016-04-13 | 2016-04-13 | Device of passive laser detection of internal floating roof tank oil gas class mist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620307029.9U CN205580988U (en) | 2016-04-13 | 2016-04-13 | Device of passive laser detection of internal floating roof tank oil gas class mist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205580988U true CN205580988U (en) | 2016-09-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620307029.9U Active CN205580988U (en) | 2016-04-13 | 2016-04-13 | Device of passive laser detection of internal floating roof tank oil gas class mist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205580988U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769972A (en) * | 2017-01-18 | 2017-05-31 | 北京航星网讯技术股份有限公司 | The method that the detection of oil gas class mixed gas laser on-line sampling is realized |
| CN109323995A (en) * | 2017-11-16 | 2019-02-12 | 中国石油化工股份有限公司 | A kind of gas phase connection storage tank oxygen content on-Line Monitor Device based on laser fiber |
-
2016
- 2016-04-13 CN CN201620307029.9U patent/CN205580988U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769972A (en) * | 2017-01-18 | 2017-05-31 | 北京航星网讯技术股份有限公司 | The method that the detection of oil gas class mixed gas laser on-line sampling is realized |
| CN106769972B (en) * | 2017-01-18 | 2021-01-12 | 北京航星网讯技术股份有限公司 | Method for realizing laser online sampling detection of oil-gas mixed gas |
| CN109323995A (en) * | 2017-11-16 | 2019-02-12 | 中国石油化工股份有限公司 | A kind of gas phase connection storage tank oxygen content on-Line Monitor Device based on laser fiber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Device of passive laser detection of internal floating roof tank oil gas class mist Effective date of registration: 20171213 Granted publication date: 20160914 Pledgee: Beijing technology intellectual property financing Company limited by guarantee Pledgor: Beijing Hangxing Network Information Technology Co., Ltd. Registration number: 2017990001159 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200325 Granted publication date: 20160914 Pledgee: Beijing technology intellectual property financing Company limited by guarantee Pledgor: BEIJING HANGXING NETWORKING Co.,Ltd. Registration number: 2017990001159 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Device of passive laser detection of internal floating roof tank oil gas class mist Effective date of registration: 20200326 Granted publication date: 20160914 Pledgee: Beijing technology intellectual property financing Company limited by guarantee Pledgor: BEIJING HANGXING NETWORKING Co.,Ltd. Registration number: Y2020990000229 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200918 Granted publication date: 20160914 Pledgee: Beijing technology intellectual property financing Company limited by guarantee Pledgor: BEIJING HANGXING NETWORKING Co.,Ltd. Registration number: Y2020990000229 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Passive laser detection device for oil gas mixture in inner floating roof tank Effective date of registration: 20200918 Granted publication date: 20160914 Pledgee: Beijing technology intellectual property financing Company limited by guarantee Pledgor: BEIJING HANGXING NETWORKING Co.,Ltd. Registration number: Y2020990001133 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20211117 Granted publication date: 20160914 Pledgee: Beijing technology intellectual property financing Company limited by guarantee Pledgor: BEIJING HANGXING NETWORKING CO.,LTD. Registration number: Y2020990001133 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Device for passive laser detection of oil-gas mixture in inner floating roof tank Effective date of registration: 20211117 Granted publication date: 20160914 Pledgee: Beijing technology intellectual property financing Company limited by guarantee Pledgor: BEIJING HANGXING NETWORKING CO.,LTD. Registration number: Y2021990001106 |