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CN103792331A - Simulation detection system for explosion of underground storage gasoline tank in automobile gasoline filling station - Google Patents

Simulation detection system for explosion of underground storage gasoline tank in automobile gasoline filling station Download PDF

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Publication number
CN103792331A
CN103792331A CN201210423576.XA CN201210423576A CN103792331A CN 103792331 A CN103792331 A CN 103792331A CN 201210423576 A CN201210423576 A CN 201210423576A CN 103792331 A CN103792331 A CN 103792331A
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CN
China
Prior art keywords
sunken tankers
detection system
simulation detection
tankers
tank
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.)
Pending
Application number
CN201210423576.XA
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Chinese (zh)
Inventor
张卫华
张健中
韩青林
郎需庆
厉建祥
周金广
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Petroleum and Chemical Corp
Sinopec Qingdao Safety Engineering Institute
Original Assignee
China Petroleum and Chemical Corp
Sinopec Qingdao Safety Engineering Institute
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Application filed by China Petroleum and Chemical Corp, Sinopec Qingdao Safety Engineering Institute filed Critical China Petroleum and Chemical Corp
Priority to CN201210423576.XA priority Critical patent/CN103792331A/en
Publication of CN103792331A publication Critical patent/CN103792331A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a simulation detection system for explosion of an underground storage gasoline tank in an automobile gasoline filling station. The simulation system comprises a simulation device and a detection device. The simulation device comprises the underground storage gasoline tank, an oiling pipeline for inputting oil gas, a liquid level meter and an igniter, wherein the oiling pipeline is communicated with the underground storage gasoline tank; and the liquid level meter and the igniter are disposed in the underground storage gasoline tank. The detection device comprises a concentration monitor for monitoring oil gas concentration, a first pressure sensor and a first temperature sensor, wherein the concentration monitor is disposed in the underground storage gasoline tank; and the first pressure sensor and the first temperature sensor are disposed on the tank wall of the underground storage gasoline tank. The simulation detection system for explosion of the underground storage gasoline tank in the automobile gasoline filling station can simulate and monitor influence data of explosion accidents of the underground storage gasoline tank to surroundings safely, comprehensively and effectively, and provide beneficial support for hazard evaluation of automobile gasoline filling station accidents, and the like.

Description

Refuelling station's sunken tankers fire simulation detection system
Technical field
The present invention relates to a kind of blast analogue system, relate in particular to a kind of simulation detection system of blast accident of the sunken tankers that can simulate refuelling station.
Background technology
At present, domestic refuelling station adopts horizontal sunken tankers substantially, has oil product liquid Space and oil gas gas-phase space in tank.At the maintenance of refuelling station, clear tank, unload in wet goods cargo handling operation, because misoperation may produce the accidents such as combustion explosion, can produce huge harm to refuelling station.But in current technology, there is no both at home and abroad for the contingent accident of refuelling station's sunken tankers and carry out experimental simulation and Monitoring Data and assess the device of accident harm.
Chinese patent CN 200920201081.6, " combustible gas explosion experiment system " discloses a kind of combustible gas explosion experiment system, comprise a tubulose Exploding test cylinder, described Exploding test cylinder is connected with a feeder that injects normal temperature and pressure inflammable gas to tube inner chamber, Exploding test cylinder be provided with induction cylinder pressure pressure transducer, the interior combustable gas concentration of monitoring cylinder monitor and light the lighter of an interior gas.But this device is small-sized experimental provision, a volume 20L left and right all makes a big difference with the sunken tankers of the actual use in refuelling station from form and structure.
Chinese patent CN 200920033142.2, " a kind of air mixture explosion experimental facility " discloses a kind of air mixture explosion experimental facility, formed by flowmeter, blasting pot, solenoid valve, thermopair, heating collar, lighter etc., for testing explosion pressure and the temperature of coal dust.
Above-mentioned current published patent relate to gas fire experiment and test device mostly be Pilot Unit, do not possess the ability of realistic simulation refuelling station sunken tankers accident.And in service in actual refuelling station, clear tank and overhaul of the equipments manipulate are improper can be produced static sparking and cause oil gas blast; If there is the meeting of leakage initiation fire etc. when emptying, similar various blast accidents can produce huge harm to refuelling station and peripheral facilities.Therefore need corresponding simulation system that the various accidents that may occur are monitored and assessed.
Therefore, those skilled in the art is devoted to the simulation detection system of the blast accident of developing a kind of sunken tankers that can simulate refuelling station.
Summary of the invention
In view of above-mentioned the problems of the prior art, actual state when embodiments of the invention utilize sunken tankers, liquid level gauge, lighter, oiling pipeline to carry out simulated combustion explosion accident in tank; Gas concentration while monitoring accident by concentration measurement and control instrument in tank; And measure the impact of blast accident on oil tank and periphery by pressure wave sensor, temperature sensor, heat flux sensor; By the Harm that affects data assessment accident gathering.Technical scheme of the present invention is:
A kind of refuelling station sunken tankers fire simulation detection system, comprise analogue means and pick-up unit, described analogue means comprises sunken tankers, the oiling pipeline of input oil gas, liquid level gauge and lighter, described oiling pipeline communicates with described sunken tankers, described liquid level gauge and lighter are located in described sunken tankers, described pick-up unit comprises the concentration measurement and control instrument of monitoring gas concentration, the first pressure transducer and the first temperature sensor, described concentration measurement and control instrument is located in described oil tank, described the first pressure transducer and the first temperature sensor are located on the tank skin of described sunken tankers.
In a preferred embodiments of the present invention, also comprise moving detector group, described moving detector is mounted on outside described sunken tankers, and described moving detector group comprises the second pressure transducer, the second temperature sensor and heat flux sensor.
In another preferred embodiments of the present invention, also comprise pressure data collector, temperature data acquisition device, heat flow data collector, concentration data collector and central processing unit, described the first pressure transducer is connected with described central processing unit by described pressure data collector, temperature data acquisition device, heat flow data collector, concentration data collector respectively separately with the second pressure transducer, the first temperature sensor and the second temperature sensor, heat flux sensor, concentration measurement and control instrument.
In another preferred embodiments of the present invention, described the first pressure transducer and the second pressure transducer are piezoelectric transducer, and the frequency acquisition of described pressure data collector is 4096 ± 500Hz.
In another preferred embodiments of the present invention, described the first temperature sensor and the second temperature sensor are rapid response type thermopair, and the frequency acquisition of described temperature data acquisition device and heat flow data collector is 512 ± 50Hz.
In another preferred embodiments of the present invention, the frequency acquisition of described concentration data collector is 128 ± 20Hz.
In another preferred embodiments of the present invention, described sunken tankers is horizontal tank, and the volume of described sunken tankers is 30 ± 5 m 3, the length of described sunken tankers is 6 ± 2 m, the height of described sunken tankers is 2.5 ± 1 m.
In another preferred embodiments of the present invention, the upper end of described sunken tankers is provided with experiment manhole and equipment manhole, described lighter and liquid level gauge are located in described sunken tankers by described experiment manhole, equipment manhole respectively, and described oiling pipeline communicates with described sunken tankers by described equipment manhole.
In another preferred embodiments of the present invention, described moving detector group is around the surrounding of being located at described experiment manhole, and is close in described experiment manhole, and described moving detector group can level or vertically moved.
In another preferred embodiments of the present invention, described concentration measurement and control instrument comprises sampling pump, and described sampling pump is provided with ball valve.
Firing simulation detection system safety, comprehensively, effectively having simulated and monitored the affect data of sunken tankers blast accident on oil tank and periphery of refuelling station of the present invention sunken tankers, provides useful support to directions such as refuelling station's accident harm assessments.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiments of the invention;
Fig. 2 is the analog monitoring process flow diagram of embodiments of the invention.
Embodiment
Below with reference to accompanying drawing, the present invention is done to concrete explaination.
As shown in Figure 1 a kind of refuelling station sunken tankers of embodiments of the invention fire simulation detection system, comprise analogue means and pick-up unit.
Analogue means comprises oiling pipeline 2, liquid level gauge 3 and the lighter 4 of sunken tankers 1, input oil gas.Oiling pipeline 2 communicates with sunken tankers 1, for the oil gas of simulation is input in sunken tankers 1.Liquid level gauge 3 and lighter 4 are located in sunken tankers, and liquid level gauge 3 is for the liquid level of the 1 interior oil of sunken tankers before simulated accident, and lighter 4 is for igniting.
Pick-up unit comprises concentration measurement and control instrument 5, the first pressure transducer 6 and first temperature sensor 7 of monitoring gas concentration.Concentration measurement and control instrument 5 is located in oil tank, for monitoring the concentration of oil gas in tank.The first pressure transducer 6 and the first temperature sensor 7 are located on the tank skin of described sunken tankers, can be located at inwall, also can be located at outer wall, the impact of monitoring blast accident on oil tank.
Embodiments of the invention real time modelling is also monitored the impact of blast accident on oil tank and periphery, provides useful support to directions such as refuelling station's accident harm assessments.
As shown in fig. 1, in an embodiment of the present invention, also comprise moving detector group 8.Moving detector group 8 is located at outside sunken tankers, and monitoring accident is on the impact outside oil tank.Moving detector group 8 comprises the second pressure transducer 9, the second temperature sensor 10 and heat flux sensor 11.
In addition, in an embodiment of the present invention, concentration measurement and control instrument is preferably multiple, and in distribution and sunken tankers, is beneficial to the gas concentration of monitoring more accurately in tank.In an embodiment, be preferably 3, lay respectively at middle part and the both sides of the upper end in space in tank.
In addition, the first pressure transducer and the first temperature sensor are also preferably multiple, as being respectively 2, on the tank skin of distribution and oil tank, are beneficial to monitor more accurately the impact on tank skin.
As shown in Figure 2, in an embodiment of the present invention, having simulated in the tank before accident situation and monitored gas concentration, after image data, also need the purpose data classifying gathering to arrange and the harm of analysis and evaluation accident.In the present embodiment, data acquisition is mainly undertaken by pressure data collector, temperature data acquisition device, heat flow data collector, concentration data collector and central processing unit.
And preferably dissimilar sensor connects respectively different data acquisition instruments, obtain experimental data and be saved to central processing unit according to sample frequency separately., the first pressure transducer is connected with central processing unit by pressure data collector, temperature data acquisition device, heat flow data collector, concentration data collector respectively separately with the second pressure transducer, the first temperature sensor and the second temperature sensor, heat flux sensor, concentration measurement and control instrument.Central processing unit is used for purpose data classifying, demonstration, and the harm of analysis and evaluation accident.
In an embodiment of the present invention, the first pressure transducer and the second pressure transducer are preferably piezoelectric transducer, and the frequency acquisition of pressure data collector is 4096 ± 500Hz, is preferably 4096Hz.Sensor pressure-sensitive face is subject to can being converted into voltage signal after shock wave and transfers to data acquisition instrument, and data acquisition instrument is with the sample frequency image data of 4096Hz and be stored in central processing unit.
The first temperature sensor and the second temperature sensor are rapid response type thermopair.The frequency acquisition of temperature data acquisition device and heat flow data collector is 512 ± 50Hz, is preferably 512Hz.Temperature sensor can be converted into temperature variation electric signal and the frequency sampling with 512Hz by data acquisition instrument.Heat flux sensor is converted into the heat radiation being subject to voltage signal the frequency collection data with 512Hz.
The frequency acquisition of concentration data collector is 128 ± 20Hz, is preferably 128Hz.Concentration measurement and control instrument comprises sampling pump, adopts pump suction type acquisition principle, with lower flow velocity, gas is sucked to collector, and its concentration of on-line analysis, and concentration collection is with the sample frequency image data of 128Hz, the gas concentration in real-time monitoring of tank.Sampling pump is provided with ball valve.Between experiment explosion period, by valve closing, damage sampling pump and instrument with flame or the shock wave of avoiding blast generation.
As shown in fig. 1, in an embodiment of the present invention, sunken tankers 1 is horizontal tank.The volume of sunken tankers 1 is 30 ± 5 m 3, be preferably 30 m 3, the length of sunken tankers 1 is 6 ± 2 m, is preferably 6 m, the height of sunken tankers 1 is 2.5 ± 1 m, is preferably 2.5 m.
And as shown in fig. 1, in an embodiment of the present invention, the upper end of sunken tankers 1 is provided with experiment manhole 12 and equipment manhole 13, lays respectively at the both sides of oil tank upper end.Lighter 4 and liquid level gauge 3 respectively by experiment manhole 12, equipment manhole 13 be located in sunken tankers 1, lighter 4 ignition energy of powering, and be preferably extension type high-energy igniter, can experimental requirement reconciles the height of ignition point.Oiling pipeline 2 communicates with sunken tankers 1 by equipment manhole 13, for simulating oiling, the unloading line of sunken tankers.
And preferably moving detector group 8, around the surrounding of being located at experiment manhole 12, and is close in experiment manhole 12.Moving detector group 8 can level or is vertically moved, and is convenient to the impact of Measurement accuracy blast accident on oil tank periphery, and satisfied difference fires the data acquisition request of operating mode.
In addition, as shown in fig. 1, in an embodiment of the present invention, the lower end of sunken tankers 1 communicates with oil-water separator 15 by waste oil pipeline 14.Waste oil in tank is expelled to oil-water separator 15 by the waste oil pipeline 14 of oil tank lower end via oil pump and processes.
As shown in fig. 1, the embodiment of analog monitoring of the present invention has:
1, tank implode
First close waste oil pipeline 14.In the time having the experiment of exploding in oily situation, inject gasoline from oiling pipeline 2, allow the interior gasoline of tank naturally volatilize, when the gas concentration of three concentration measurement and control instrument 5 all reaches explosive range, connect the power supply of extension type high-energy igniter 4, in tank, light a fire, ignite oil gas; If carry out without the experiment in oily situation, first open experiment manhole 12, injected according to the oil gas of experimental concentration proportioning by oiling pipeline 2, when in tank, the gas concentration of gas concentration monitor 5 all reaches requirement of experiment, by extension type high-energy igniter 4 igniting experiments.After having tested, open waste oil pipeline 14, residue Residual oil is evacuated to oil-water separator 15 and processes.
2, burning in tank
First close waste oil pipeline 14.Open experiment manhole 12, inject gasoline from oiling pipeline 2, air is discharged by testing manhole 12, in tank, liquid level is monitored by liquid level gauge 3, stop oiling when requiring liquid level, close oiling pipeline 2, extension type high-energy igniter 4 ignition probes are extended near liquid level to the igniting oil gas that ignites.Experimental session experiment manhole 12 stays open state, to guarantee filling into oxygen between main combustion period.
3, image data
Various sensors form monitoring system jointly.Experimental session, in order to reduce the memory space of data, pressure, temperature, three groups of sensors of hot-fluid start data acquisition in first 5 seconds in igniting, and concentration measurement and control instrument 5 keeps Real-time Collection.
Above specific embodiments of the invention be have been described in detail, but it is just as example, the present invention is not restricted to specific embodiment described above.To those skilled in the art, any equivalent modifications that the present invention is carried out and alternative also all among category of the present invention.Therefore, equalization conversion and the modification done without departing from the spirit and scope of the invention, all should contain within the scope of the invention.

Claims (10)

  1. Refuelling station's sunken tankers fire simulation detection system, it is characterized in that, comprise analogue means and pick-up unit, described analogue means comprises sunken tankers, the oiling pipeline of input oil gas, liquid level gauge and lighter, described oiling pipeline communicates with described sunken tankers, described liquid level gauge and lighter are located in described sunken tankers, described pick-up unit comprises the concentration measurement and control instrument of monitoring gas concentration, the first pressure transducer and the first temperature sensor, described concentration measurement and control instrument is located in described oil tank, described the first pressure transducer and the first temperature sensor are located on the tank skin of described sunken tankers.
  2. Refuelling station as claimed in claim 1 sunken tankers fire simulation detection system, it is characterized in that, also comprise moving detector group, described moving detector is mounted on outside described sunken tankers, and described moving detector group comprises the second pressure transducer, the second temperature sensor and heat flux sensor.
  3. Refuelling station as claimed in claim 2 sunken tankers fire simulation detection system, it is characterized in that, also comprise pressure data collector, temperature data acquisition device, heat flow data collector, concentration data collector and central processing unit, described the first pressure transducer is connected with described central processing unit by described pressure data collector, temperature data acquisition device, heat flow data collector, concentration data collector respectively separately with the second pressure transducer, the first temperature sensor and the second temperature sensor, heat flux sensor, concentration measurement and control instrument.
  4. Refuelling station as claimed in claim 3 sunken tankers fire simulation detection system, it is characterized in that, described the first pressure transducer and the second pressure transducer are piezoelectric transducer, the frequency acquisition of described pressure data collector is 4096 ± 500Hz.
  5. Refuelling station as claimed in claim 3 sunken tankers fire simulation detection system, it is characterized in that, described the first temperature sensor and the second temperature sensor are rapid response type thermopair, and the frequency acquisition of described temperature data acquisition device and heat flow data collector is 512 ± 50Hz.
  6. Refuelling station as claimed in claim 3 sunken tankers fire simulation detection system, it is characterized in that, the frequency acquisition of described concentration data collector is 128 ± 20Hz.
  7. Refuelling station as claimed in claim 1 sunken tankers fire simulation detection system, it is characterized in that, described sunken tankers is horizontal tank, the volume of described sunken tankers is 30 ± 5 m 3, the length of described sunken tankers is 6 ± 2 m, the height of described sunken tankers is 2.5 ± 1 m.
  8. Refuelling station as claimed in claim 7 sunken tankers fire simulation detection system, it is characterized in that, the upper end of described sunken tankers is provided with experiment manhole and equipment manhole, described lighter and liquid level gauge are located in described sunken tankers by described experiment manhole, equipment manhole respectively, and described oiling pipeline communicates with described sunken tankers by described equipment manhole.
  9. Refuelling station as claimed in claim 8 sunken tankers fire simulation detection system, it is characterized in that, described moving detector group is around the surrounding of being located at described experiment manhole, and is close in described experiment manhole, and described moving detector group can level or vertically moved.
  10. Refuelling station as claimed in claim 1 sunken tankers fire simulation detection system, it is characterized in that, described concentration measurement and control instrument comprises sampling pump, described sampling pump is provided with ball valve.
CN201210423576.XA 2012-10-30 2012-10-30 Simulation detection system for explosion of underground storage gasoline tank in automobile gasoline filling station Pending CN103792331A (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

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Publication number Priority date Publication date Assignee Title
CN104132964A (en) * 2014-07-04 2014-11-05 中国石油化工股份有限公司 System for stimulating gas station flowing fire accidents
CN104573253A (en) * 2015-01-19 2015-04-29 江苏省特种设备安全监督检验研究院无锡分院 Disastrous consequence predication method of CNG (compressed natural gas) filling station
CN109387319A (en) * 2017-08-09 2019-02-26 中国石油化工股份有限公司 The monitoring of gas station's pressure of storage tank and data acquisition device and method

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104132964A (en) * 2014-07-04 2014-11-05 中国石油化工股份有限公司 System for stimulating gas station flowing fire accidents
CN104573253A (en) * 2015-01-19 2015-04-29 江苏省特种设备安全监督检验研究院无锡分院 Disastrous consequence predication method of CNG (compressed natural gas) filling station
CN104573253B (en) * 2015-01-19 2017-09-19 江苏省特种设备安全监督检验研究院 CNG Filling Station disaster consequence Forecasting Methodology
CN109387319A (en) * 2017-08-09 2019-02-26 中国石油化工股份有限公司 The monitoring of gas station's pressure of storage tank and data acquisition device and method

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