CN106768990B - A kind of short distance pipeline detonation generating device - Google Patents
A kind of short distance pipeline detonation generating device Download PDFInfo
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- CN106768990B CN106768990B CN201710130826.3A CN201710130826A CN106768990B CN 106768990 B CN106768990 B CN 106768990B CN 201710130826 A CN201710130826 A CN 201710130826A CN 106768990 B CN106768990 B CN 106768990B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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Abstract
The present invention provides a kind of short distance pipeline detonation generating devices, it includes round stainless steel pipes and waveform accelerating tube, the waveform accelerating tube is located at detachable assembling among round stainless steel pipes, waveform setting, which can be improved quickly, fires turbulence intensity, enhancing flame acceleration, makes to fire and reaches quasi- detonation or detonation state.The device can allow combustion gas in pipeline to fire the device development fire arrester periodic detection for reaching detonation state, and then utilizing miniaturization in shorter distance.
Description
Technical field
The invention belongs to safe and scientific with engineering experiment equipment technical field, be related to a kind of short distance pipeline detonation and fill
It sets.
Background technique
Safety problem is the most important thing in petrochemical production process, and the storage tank that present petrochemical industry uses is all
It is equipped with breather valve, while multiple tank bodies are connected in petroleum vapor recovery or torch using gas connection system, form more equipment phases
The case where connection.GB31571-2015 " petrochemical industry pollutant emission standard " and GB31570-2015 " petroleum refining enterprise
Industry emission of industrial pollutants standard " issuing and implementation, to the discharge of petroleum chemical enterprise's organic matter, more stringent requirements are proposed.Once certain
Blast accident occurs for one storage tank or facility, and flame will influence other devices or facility by communicating pipe, or even within communicating pipe
The process for forming deflagration to detonation transition, leads to the expansion of accident range, to promote the risk class of whole device.Petroleum chemical enterprise exists
The positions such as pipeline and storage tank breather valve are provided with explosion arrestment combustion or explosion arrestment Hong type fire arrester, prevent flame propagation from forming great thing
Therefore in order to guarantee its effective back-fire relief, also need regularly to be safeguarded and tested after fire arrester installation and operation.But current back-fire relief
Device test device is more long and narrow, and distribution is rare in China, if enterprise periodically carries out the inspection test of fire arrester, at
This is higher.If fire arrester test device can minimize portability, petroleum chemical enterprise can independently build test device, to fire arrester into
The test of row later period, reduces maintenance cost.Fire arrester test device key is that internal combustion gas is allowed to reach detonation, and detonation needs
The pipeline of certain length carries out flame acceleration, and which has limited the miniaturization portability of device.Chinese patent application
201120399242.4 fuel gas provided and the steam system safety testing device that explodes at high temperature under high pressure are for spherical container, structure
Simply, the explosion limit of fuel gas can only be measured, the detonation condition that fire arrester test needs can not be generated.Chinese patent Shen
Please the fire test simulators of 201110370604.1 long-narrow confined spaces provided although to construct a kind of section be rectangular
Rectangular body device flashed over to study fire, but the resistance to pressure difference of device lacks dynamic pressure measurement, without corresponding distribution and pressure release system
System, is not particularly suited for the generation of detonation.Furthermore domestic to have no the related patents occurred specifically for pipeline detonation.
Summary of the invention
To overcome above-mentioned technical problem, the present invention provides a kind of short distance pipeline detonation generating device, can be in shorter distance
Combustion gas in pipeline is allowed to fire the device development fire arrester periodic detection for reaching detonation state, and then utilizing miniaturization.
In order to solve the above technical problems, the application provides a kind of short distance pipeline detonation generating device, it can be achieved that shorter
It is fired apart from interior conduit combustion gas and reaches detonation state comprising round stainless steel pipes and waveform accelerating tube, the waveform
Accelerating tube is located at detachable assembling among round stainless steel pipes, waveform setting can quickly improve fire turbulence intensity,
Enhance flame acceleration, makes to fire and reach quasi- detonation or detonation state.
Wherein, detonation stable-pressure device, the detonation are set in the round stainless steel tube of waveform bend pipe rear linkage section
Stable-pressure device using cylindrical body tabulator bars by laterally, it is longitudinal be interspersed, it can be achieved that non-steady detonation to detonation acceleration
Or the stabilization function of steady detonation.
Wherein, interface is opened up in the front end of round stainless steel tube, is connected by pipeline with air blower, air blower can rise
To the effect of pipeline purging, setting purging valve in the connecting pipe between air blower and round stainless steel tube.
Wherein, interface is opened up in the front end of round stainless steel tube, is connected by pipeline with premix gas cylinder, premix gas cylinder can
To carry out distribution operation distribution to pipeline, distributing valve is set in the connecting pipe between premix gas cylinder and round stainless steel pipes
Door.
Wherein, interface is opened up in the front end of round stainless steel tube, is connected by pipeline with high-energy igniter, high-energy ignition
Device can play the role of ignition control.
Wherein, interface is opened up above the side of round stainless steel pipes front end, is connected by pipeline with vacuum valve, vacuum pump
It connects, realizes the vacuum operation demand of distribution preceding pipeline.
Wherein, drain tap is opened up above the rear end side of round stainless steel pipes, realizes that pipeline fires superpressure tail gas
It releases.
Wherein, in front of the wave accelerating tube after the top of the round stainless steel pipes of linkage section and detonation stable-pressure device
Dynamic pressure transducer and flame ion sensor are provided with above the round stainless steel pipes of side, on leading portion stainless steel pipes
Dynamic pressure sensing above the dynamic pressure transducer of side, flame ion sensor and corresponding rear end stainless steel pipes
Device, flame ion sensor are connected by high speed dynamic data acquisition device with PLC assembly system.
The present invention also provides the method for carrying out Explosion measurement using above-mentioned short distance pipeline detonation generating device, packets
It includes:
The first step, connecting components form detonation generating device, determine the quantity and detonation pressure stabilizing dress of waveform accelerating tube
All parts are connected according to above-mentioned connection relationship, check each pipe joint, valve, sensor interface etc. by the length set
The leakproofness and integrality of position check whether there is breakage, debug and corrected high-energy igniter and each sensor name is accurate
Degree；
Second step vacuumizes, as needed adjust high-energy igniter ignition energy, close purging valve, gas distribution valve,
Drain tap opens vacuum pump, vacuum valve, carries out vacuumizing operation to test device, closes after reaching absolute vacuum true
Sky pump, vacuum valve；
Gas distribution valve is opened in third step, distribution, and premix gas is poured test device, while observed pressure table, equal when everywhere
After reaching normal pressure, gas distribution valve and premix gas cylinder are closed immediately；
4th step, igniting fire, and starting high-energy igniter carries out igniting operation, fire premix gas in pipeline, dynamic is pressed
Force snesor, flame ion sensor acquire superpressure in pipeline, flame variation in real time, and are arrived by data acquisition device feedback
PLC assembly；
5th step, exhaust emissions after firing, open drain tap, purging valve, start air blower, in device
The tail gas that fires carry out purging discharge, after a period of time close purging valve, drain tap, stop air blower.
Wherein, the test method further comprises following steps, and the 6th step analyzes data, and Adjustment Tests, analysis is in fact
Test data is tested, detonation generating state is judged, such as reaches detonation state, then can be further reduced the quantity of waveform accelerating tube
And detonation stable-pressure device length, shorten plumbing installation length, carries out repeating experiment later, exclude contingency；It is such as not up to detonation,
Waveform accelerating tube quantity and detonation stable-pressure device length can be increased, and carry out repeated experiment；
7th step, integral data obtain working condition, integrate each air detonation development dataset, determine the quick-fried of gas with various
Hong generating device working condition.
Beneficial technical effect
Compared with prior art, short distance pipeline detonation generating device provided by the invention, can allow combustion gas in pipeline to exist
Reach detonation state in shorter distance, producer is facilitated independently to carry out the test of fire arrester.
Detailed description of the invention
The structural schematic diagram of Fig. 1 short distance pipeline detonation generating device；
Fig. 2 detonation stabilising arrangement structural schematic diagram.
Specific embodiment
The present invention provides a kind of short distance pipeline detonation generating device, combustion gas can be allowed in pipeline to fire in shorter distance and reached
Carry out fire arrester periodic detection to detonation state, and then using the device of miniaturization.
In order to solve the above technical problems, the application provides a kind of short distance pipeline detonation generating device, it can be achieved that shorter
It is fired apart from interior conduit combustion gas and reaches detonation state comprising round stainless steel pipes and waveform accelerating tube, the waveform
Accelerating tube is located at detachable assembling among round stainless steel pipes, waveform setting can quickly improve fire turbulence intensity,
Enhance flame acceleration, makes to fire and reach quasi- detonation or detonation state.
Cross bar accelerator is set after waveform bend pipe, by firing carry out turbulent perturbation to combustion gas, it is ensured that reach quick-fried
Hong state.
Detonation stable-pressure device, the detonation pressure stabilizing dress are set in the round stainless steel tube of waveform bend pipe rear linkage section
Set using cylindrical body tabulator bars by laterally, it is longitudinal be interspersed, it can be achieved that non-steady detonation to detonation acceleration or stabilization
The stabilization function of detonation.
Interface is opened up in the front end of round stainless steel tube, is connected by pipeline with air blower, air blower can play pipe
The effect of road purging, setting purging valve in the connecting pipe between air blower and round stainless steel tube.
Interface is opened up in the front end of round stainless steel tube, is connected by pipeline with air blower, premix gas cylinder, distribution premix
Gas cylinder can carry out distribution operation to pipeline, and distribution is arranged in the connecting pipe between premix gas cylinder and round stainless steel pipes
Valve.
Interface is opened up in the front end of round stainless steel tube, is connected by pipeline with high-energy igniter, high-energy igniter can
To play the role of ignition control.
Interface is opened up above the side of round stainless steel pipes front end, is connected by pipeline with vacuum valve, vacuum pump, it is real
The vacuum operation demand of existing distribution preceding pipeline.
Drain tap is opened up above the rear end side of round stainless steel pipes, realizes that pipeline fires superpressure tail gas and releases.
It is all connected with pressure gauge in the front-end and back-end of round stainless steel pipes, the change of pressure during distribution can be monitored
Change situation.
Dismountable flange is installed in the tail end of round stainless steel pipes to be sealed.
Same bore fire arrester, which can also be connected, in round stainless steel pipes tail end carries out fire arrester performance test.
The rear of the top and detonation stable-pressure device of the round stainless steel pipes of linkage section in front of wave accelerating tube
Dynamic pressure transducer and flame ion sensor are provided with above round stainless steel pipes, above leading portion stainless steel pipes
Dynamic pressure transducer, fire above dynamic pressure transducer, flame ion sensor and corresponding rear end stainless steel pipes
Flame ion transducer is connected by high speed dynamic data acquisition device with PLC assembly system, can be shown in real time in PLC assembly system
Show superpressure changing rule in round stainless steel pipes flame speed and pipeline, monitors overpressure of gas, flame in pipeline on-line
Speed real time status judges pipeline detonation state by flame and superpressure situation.
The premixed gas uses the gaseous mixture of propane and air.
The igniter uses high energy pulse igniter.
The high speed dynamic pressure transducer, flame ion sensor use delicate grade response sensor.
The present invention also provides the method for carrying out Explosion measurement using above-mentioned short distance pipeline detonation generating device, packets
It includes:
The first step, connecting components form detonation generating device, determine the quantity and detonation pressure stabilizing dress of waveform accelerating tube
All parts are connected according to above-mentioned connection relationship, check each pipe joint, valve, sensor interface etc. by the length set
The leakproofness and integrality of position check whether there is breakage, debug and corrected high-energy igniter and each sensor name is accurate
Degree；
Second step vacuumizes, as needed adjust high-energy igniter ignition energy, close purging valve, gas distribution valve,
Drain tap opens vacuum pump, vacuum valve, carries out vacuumizing operation to test device, closes after reaching absolute vacuum true
Sky pump, vacuum valve；
Gas distribution valve is opened in third step, distribution, and premix gas is poured test device, while observed pressure table, equal when everywhere
After reaching normal pressure, gas distribution valve and premix gas cylinder are closed immediately；
4th step, igniting fire, and starting high-energy igniter carries out igniting operation, fire premix gas in pipeline, dynamic is pressed
Force snesor, flame ion sensor acquire superpressure in pipeline, flame variation in real time, and are arrived by data acquisition device feedback
PLC assembly；
5th step, exhaust emissions after firing, open drain tap, purging valve, start air blower, in device
The tail gas that fires carry out purging discharge, after a period of time close purging valve, drain tap, stop air blower；
6th step, analyzes data, and Adjustment Tests analyze test data of experiment, judge detonation generating state, such as reach detonation
State can then be further reduced the quantity and detonation stable-pressure device length of waveform accelerating tube, shorten plumbing installation length, it
After carry out repeat experiment, exclude contingency；It is such as not up to detonation, waveform accelerating tube quantity and detonation pressure stabilizing dress can be increased
Length is set, and carries out repeated experiment；
7th step, integral data obtain working condition, integrate each air detonation development dataset, determine the quick-fried of gas with various
Hong generating device working condition.
Below using embodiment and attached drawing come the embodiment that the present invention will be described in detail, how skill is applied to the present invention whereby
Art means solve technical problem, and the realization process for reaching technical effect can fully understand and implement.
As shown in Figure 1, short distance pipeline detonation generating device provided by the invention includes by a pitch circle shape stainless steel pipes
14 with waveform accelerating tube 15 form long and narrow pipelines, waveform accelerating tube be it is detachable, can be increased according to combustion gas type
Subtract, accelerating tube 15 can be improved quickly using waveform and be fired turbulence intensity, enhance flame acceleration, make to fire reach quasi- detonation or
Detonation state；Interface and air blower 1, purging valve 2 are opened up in 14 front end of pipeline, premixes gas cylinder 3, gas distribution valve 4, high-energy ignition
Device 5 is connected, and can play the role of pipeline purging, pipeline distribution and ignition control；Interface and true is opened up above 14 front end of pipeline
Sky pump 6, vacuum valve 7 be connected, it can be achieved that distribution preceding pipeline vacuum operation demand；Exhaust valve is opened up above 14 rear end of pipeline
Door 8, may be implemented pipeline superpressure tail gas and releases；Pressure gauge 9 is connected in 14 front-end and back-end of pipeline, distribution pressure process can be monitored
Situation of change；It is additionally arranged detonation stabilising arrangement in the pipeline 14 at 15 rear of accelerating tube, as shown in Fig. 2, using cylindrical body flow-disturbing
Stick by laterally, longitudinal be interspersed, it can be achieved that non-steady detonation is to the acceleration of detonation or the stabilization function of steady detonation；?
Dynamic pressure biography is respectively provided with above 14 top of front-end pipelines of wave accelerating tube 15 and the pipeline 14 at detonation stabilising arrangement rear
Sensor 10, flame ion sensor 11, flame sensor is arranged in pairs, sensor by high speed dynamic data acquisition device 12 with
PLC assembly system 13 is connected, in PLC system 13 can superpressure changing rule in real-time display pipeline flame speed and pipeline,
Pipeline detonation state is judged by flame and superpressure situation.
Gas is premixed in the present embodiment and uses propane-air mixture, and igniter uses high energy pulse igniter, Gao Sudong
State pressure sensor, flame particle sensor use delicate grade response sensor.
It tests and is tested mainly for pipeline internal combustion gas explosion Hong generating state.The first step determines waveform accelerating tube
16 length of 15 quantity and detonation stable-pressure device, according to schematic diagram and test need to connect each instrument and equipment, check each pipe joint,
The leakproofness and integrality of the positions such as valve, sensor interface check whether there is breakage.Second step, adjustment is high as needed
The ignition energy of energy igniter 5 closes purging valve 2, gas distribution valve 4, drain tap 8, opens vacuum pump 6, vacuum valve 7,
Test device is carried out to vacuumize operation, vacuum pump 6, vacuum valve 8 are closed after reaching absolute vacuum；Third step, opening are matched
Premix gas is poured test device by air valve 4, while observed pressure table 9 closes distribution after reaching normal pressure everywhere immediately
Valve 4；4th step, starting high-energy igniter 5 carry out igniting operation, fire premix gas in pipeline, dynamic pressure transducer 10,
Flame ion sensor 11 acquires superpressure in pipeline, flame variation in real time, and arrives PLC assembly by the feedback of data acquisition device 12
13；5th step, after firing, open drain tap 9, purging valve 2, start air blower 1, in device fire tail gas into
Row purging discharge, closes purging valve 2, drain tap 9, stops air blower 1 after a period of time；6th step, analysis experiment test
Data, judge detonation generating state, such as reach detonation state, then can be further reduced the quantity and detonation of waveform accelerating tube
Stable-pressure device length shortens plumbing installation length, carries out repeating experiment later, excludes contingency；Such as it is not up to detonation, Ke Yizeng
Add waveform accelerating tube quantity and detonation stable-pressure device length, and carries out repeated experiment；7th step integrates each air detonation
Development dataset determines the detonation generating device working condition of gas with various.
All above-mentioned this intellectual properties of primarily implementation, there is no this new products of implementation of setting limitation other forms
And/or new method.Those skilled in the art will utilize this important information, above content modification, to realize similar execution feelings
Condition.But all modifications or transformation belong to the right of reservation based on new product of the present invention.
The above described is only a preferred embodiment of the present invention, being not that the invention has other forms of limitations, appoint
What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc.
Imitate embodiment.But without departing from the technical solutions of the present invention, according to the technical essence of the invention to above embodiments institute
Any simple modification, equivalent variations and the remodeling made, still fall within the protection scope of technical solution of the present invention.
Claims (9)
1. a kind of short distance pipeline detonation generating device, it is characterised in that: including round stainless steel pipes and waveform accelerating tube,
The waveform accelerating tube is located at detachable assembling among round stainless steel pipes, and waveform setting, which can be improved quickly, to fire
Turbulence intensity, enhancing flame acceleration, make to fire and reach quasi- detonation or detonation state；
Detonation stable-pressure device is set in the round stainless steel tube of waveform bend pipe rear linkage section, and the detonation stable-pressure device is adopted
It is interspersed by lateral, longitudinal, it can be achieved that acceleration or steady detonation of the non-steady detonation to detonation with cylindrical body tabulator bars
Stabilization function.
2. short distance pipeline detonation generating device as described in claim 1, it is characterised in that: in the front end of round stainless steel tube
Open up interface, be connected by pipeline with air blower, air blower can play the role of pipeline purging, air blower and it is round not
Setting purging valve in connecting pipe between rust steel pipe.
3. short distance pipeline detonation generating device as claimed in claim 1 or 2, it is characterised in that: in round stainless steel tube
Front end opens up interface, is connected by pipeline with premix gas cylinder, distribution, which premixes gas cylinder, can carry out distribution operation to pipeline, pre-
Gas distribution valve is set in connecting pipe between mixed gas cylinder and round stainless steel pipes.
4. short distance pipeline detonation generating device as claimed in claim 1 or 2, it is characterised in that: in round stainless steel tube
Front end opens up interface, is connected by pipeline with high-energy igniter, high-energy igniter can play the role of ignition control.
5. short distance pipeline detonation generating device as claimed in claim 1 or 2, it is characterised in that: in round stainless steel pipes
Interface is opened up above the side of front end, is connected by pipeline with vacuum valve, vacuum pump, realizes that the vacuum operation of distribution preceding pipeline needs
It asks.
6. short distance pipeline detonation generating device as claimed in claim 1 or 2, it is characterised in that: in round stainless steel pipes
Rear end side above open up drain tap, realize that pipeline fires superpressure tail gas and releases.
7. short distance pipeline detonation generating device as claimed in claim 1 or 2, it is characterised in that: in front of wave accelerating tube
It is respectively provided with above the round stainless steel pipes at the rear of the top and detonation stable-pressure device of the round stainless steel pipes of linkage section
There are dynamic pressure transducer and flame ion sensor, dynamic pressure transducer, flame ion above leading portion stainless steel pipes
Dynamic pressure transducer, flame ion sensor above sensor and corresponding rear end stainless steel pipes pass through high speed dynamic
Data acquisition device is connected with PLC assembly system.
8. the method that short distance pipeline detonation generating device as claimed in claim 1 or 2 carries out Explosion measurement, which is characterized in that packet
It includes:
The first step, connecting components form detonation generating device；
Second step vacuumizes；
Third step, distribution；
4th step, igniting fire；
5th step, exhaust emissions.
9. the method that short distance pipeline detonation generating device as claimed in claim 8 carries out Explosion measurement, which is characterized in that also into
One step includes:
6th step analyzes data, Adjustment Tests；
7th step, integral data obtain working condition.
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| CN201710130826.3A CN106768990B (en) | 2017-03-07 | 2017-03-07 | A kind of short distance pipeline detonation generating device |
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| CN106768990B true CN106768990B (en) | 2019-08-02 |
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| CN107942029B (en) * | 2017-11-14 | 2020-08-11 | 北京科技大学 | Rapid and effective direct detonation pipeline set and experimental method |
| CN110018004A (en) * | 2018-01-09 | 2019-07-16 | 中国石油化工股份有限公司 | Disc type flame acceleration device |
| CN112972944A (en) * | 2019-12-12 | 2021-06-18 | 中国石油化工股份有限公司 | Visual flame arrester, visual flame arrester testing device and method |
| CN114112451A (en) * | 2020-09-01 | 2022-03-01 | 中国石油化工股份有限公司 | Flame arrester testing method and system |
| CN114577464A (en) * | 2020-12-02 | 2022-06-03 | 中国石油化工股份有限公司 | Breathing valve burning resistance testing device and method |
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