CN106768990A - A kind of short distance pipeline detonation generating means - Google Patents
A kind of short distance pipeline detonation generating means Download PDFInfo
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- CN106768990A CN106768990A CN201710130826.3A CN201710130826A CN106768990A CN 106768990 A CN106768990 A CN 106768990A CN 201710130826 A CN201710130826 A CN 201710130826A CN 106768990 A CN106768990 A CN 106768990A
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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 invention provides a kind of short distance pipeline detonation generating means, it includes circular stainless steel pipes and waveform accelerating tube, the waveform accelerating tube is located at detachable assembling in the middle of circular stainless steel pipes, the waveform sets quickly to improve and fires turbulence intensity, enhancing flame acceleration, makes to fire and reaches quasi- detonation or detonation state.The device combustion gas can fire the detonation state that reaches in shorter distance allows pipeline, and then using the device development spark arrester periodic detection of miniaturization.
Description
Technical field
The invention belongs to safe and scientific and engineering experiment equipment technical field, it is related to a kind of short distance pipeline detonation to fill
Put.
Background technology
Safety problem is the most important thing in petrochemical production process, and the storage tank that present petrochemical industry is used is all
Breather valve is equipped with, while during multiple tank bodies are connected to petroleum vapor recovery or torch using gas UNICOM system, forming many equipment phases
The situation of connection.GB31571-2015《Petrochemical industry pollutant emission standard》And GB31570-2015《Petroleum refining is looked forward to
Industry emission of industrial pollutants standard》Issuing and implementation, the discharge to petroleum chemical enterprise's organic matter proposes requirement higher.Once certain
There is blast accident in one storage tank or facility, flame will be by influenceing other devices or facility communicating pipe, or even within communicating pipe
The process of deflagration to detonation transition is formed, causes the expansion of accident scope, so as to lift the risk class of whole device.Petroleum chemical enterprise exists
The position such as pipeline and storage tank breather valve is provided with explosion arrestment combustion or explosion arrestment Hong type spark arrester, prevents flame propagation from forming great thing
Therefore, in order to ensure its effective back-fire relief, also need to regularly be safeguarded and tested after spark arrester installation and operation.But current back-fire relief
Device test device is more long and narrow, and is distributed rareness in China, if enterprise periodically carries out the censorship test of spark arrester, into
This is higher.If spark arrester test device can minimize portability, petroleum chemical enterprise can independently build test device, spark arrester is entered
The row later stage tests, and reduces maintenance cost.Spark arrester test device key is to allow internal combustion gas to reach detonation, and detonation needs
The pipeline of certain length carries out flame acceleration, which has limited the miniaturization portability of device.Chinese patent application
201120399242.4 provide fuel gas and steam explode at high temperature under high pressure system safety testing device be spherical container, structure
Simply, the explosion limit of fuel gas can only be determined, spark arrester can not be produced to test the detonation condition for needing.Chinese patent Shen
Please the fire test analogue means of 201110370604.1 long-narrow confined spaces for providing although construct a kind of section for square
Rectangular body device flash over studying 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.In addition it is domestic to have no the Patents occurred specifically designed for pipeline detonation.
The content of the invention
To overcome above-mentioned technical problem, the present invention to provide a kind of short distance pipeline detonation generating means, can be in shorter distance
Combustion gas in pipeline is allowed to fire the detonation state that reaches, and then device using miniaturization carries out spark arrester periodic detection.
In order to solve the above technical problems, the application provides a kind of short distance pipeline detonation generating means, it is capable of achieving shorter
Fired apart from interior conduit combustion gas and reach detonation state, it includes circular stainless steel pipes and waveform accelerating tube, the waveform
Accelerating tube is located at detachable assembling in the middle of circular stainless steel pipes, the waveform set can quickly improve fire turbulence intensity,
Enhancing flame acceleration, makes to fire and reaches quasi- detonation or detonation state.
Wherein, detonation stable-pressure device, the detonation are set in the circular stainless steel tube of waveform bend pipe rear linkage section
Stable-pressure device is interspersed using cylinder tabulator bars by horizontal, longitudinal direction, is capable of achieving non-steady detonation to the acceleration of detonation
Or the stabilization function of steady detonation.
Wherein, interface is opened up in the front end of circular stainless steel tube, is connected with air blower by pipeline, air blower can rise
To the effect of pipeline purging, purging valve is set on the connecting pipe between air blower and circular stainless steel tube.
Wherein, interface is opened up in the front end of circular stainless steel tube, is connected with premix gas cylinder by pipeline, premix gas cylinder can
To carry out distribution operation distribution to pipeline, distributing valve is set on the connecting pipe between premix gas cylinder and circular stainless steel pipes
Door.
Wherein, interface is opened up in the front end of circular stainless steel tube, is connected with high-energy igniter by pipeline, high-energy ignition
Device can play a part of IGNITION CONTROL.
Wherein, interface is opened up above the side of circular stainless steel pipes front end, is connected with vacuum valve, vavuum pump by pipeline
Connect, realize the vacuum operation demand of distribution preceding pipeline.
Wherein, drain tap is opened up above the rear end side of circular stainless steel pipes, realizes that pipeline fires superpressure tail gas
Release.
Wherein, in front of the wave accelerating tube after the top of the circular stainless steel pipes of linkage section and detonation stable-pressure device
The circular stainless steel pipes top of side is provided with dynamic pressure transducer and flame ion sensor, 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 systems.
Method present invention also offers Explosion measurement is carried out using above-mentioned short distance pipeline detonation generating means, its bag
Include：
The first step, connecting components constitute detonation generating means, determine the quantity and detonation voltage stabilizing dress of waveform accelerating tube
The length put, couples together all parts according to above-mentioned annexation, checks each pipe joint, valve, sensor interface etc.
The sealing and integrality of position, check whether there is breakage, debug and have 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 vavuum pump, vacuum valve, and test device is carried out to vacuumize operation, is closed after absolute vacuum is reached true
Empty pump, vacuum valve；
Gas distribution valve is opened in 3rd step, distribution, premix gas is poured into 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 is fired, and starting high-energy igniter carries out igniting operation, fires premix gas in pipeline, dynamic pressure
Superpressure, flame change in force snesor, flame ion sensor Real-time Collection pipeline, and fed back to by data acquisition device
PLC assemblies；
5th step, exhaust emissions after firing end, opens drain tap, purging valve, starts air blower, in device
The tail gas that fires carry out purging discharge, purging valve, drain tap are closed after a period of time, stop air blower.
Wherein, the method for testing further comprises following steps, and the 6th step, analyze data, Adjustment Tests, analysis is real
Test data is tested, detonation generating state is judged, detonation state is such as reached, then can further reduce the quantity of waveform accelerating tube
And detonation stable-pressure device length, shorten plumbing installation length, carry out repeating experiment afterwards, exclude contingency；Detonation is such as not up to,
Waveform accelerating tube quantity and detonation stable-pressure device length can be increased, and carry out repeated experiment；
7th step, integral data obtains working condition, integrates each air detonation development dataset, determines the quick-fried of gas with various
Hong generating means working condition.
Beneficial technique effect
Compared with prior art, the short distance pipeline detonation generating means that the present invention is provided, can allow combustion gas in pipeline to exist
Detonation state is reached in shorter distance, facilitates producer independently to carry out the test of spark arrester.
Brief description of the drawings
The structural representation of Fig. 1 short distance pipeline detonation generating means；
Fig. 2 detonation stabilising arrangement structural representations.
Specific embodiment
The present invention provides a kind of short distance pipeline detonation generating means, combustion gas can fire and reaches in shorter distance allows pipeline
To detonation state, and then using the device development spark arrester periodic detection of miniaturization.
In order to solve the above technical problems, the application provides a kind of short distance pipeline detonation generating means, it is capable of achieving shorter
Fired apart from interior conduit combustion gas and reach detonation state, it includes circular stainless steel pipes and waveform accelerating tube, the waveform
Accelerating tube is located at detachable assembling in the middle of circular stainless steel pipes, the waveform set can quickly improve fire turbulence intensity,
Enhancing flame acceleration, makes to fire and reaches quasi- detonation or detonation state.
Cross bar accelerator is set after waveform bend pipe, turbulent perturbation is carried out by being fired to combustion gas, it is ensured that reach quick-fried
Hong state.
Detonation stable-pressure device, the detonation voltage stabilizing dress are set in the circular stainless steel tube of waveform bend pipe rear linkage section
Put and be interspersed by horizontal, longitudinal direction using cylinder tabulator bars, be capable of achieving acceleration or stabilization of the non-steady detonation to detonation
The stabilization function of detonation.
Interface is opened up in the front end of circular stainless steel tube, is connected with air blower by pipeline, air blower can play pipe
The effect of road purging, purging valve is set on the connecting pipe between air blower and circular stainless steel tube.
Interface is opened up in the front end of circular stainless steel tube, is connected with air blower, premix gas cylinder by pipeline, distribution premix
Gas cylinder can carry out distribution operation to pipeline, and distribution is set on the connecting pipe between premix gas cylinder and circular stainless steel pipes
Valve.
Interface is opened up in the front end of circular stainless steel tube, is connected with high-energy igniter by pipeline, high-energy igniter can
To play a part of IGNITION CONTROL.
Interface is opened up above the side of circular stainless steel pipes front end, is connected with vacuum valve, vavuum pump by pipeline, it is real
The vacuum operation demand of existing distribution preceding pipeline.
Drain tap is opened up above the rear end side of circular stainless steel pipes, realizes that pipeline fires superpressure tail gas and releases.
Pressure gauge is all connected with the front-end and back-end of circular stainless steel pipes, the change of pressure during distribution can be monitored
Change situation.
Dismountable flange is installed in the tail end of circular stainless steel pipes to be sealed.
Can also connect same bore spark arrester in circular stainless steel pipes tail end carries out spark arrester performance test.
The rear of the top of the circular stainless steel pipes of linkage section and detonation stable-pressure device in front of wave accelerating tube
Circular stainless steel pipes top is provided with dynamic pressure transducer and flame ion sensor, 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 systems, can be shown in real time in PLC assembly systems
Show superpressure Changing Pattern in circular stainless steel pipes flame speed and pipeline, overpressure of gas, flame in on-line monitoring pipeline
Speed real time status, pipeline detonation state is judged by flame and superpressure situation.
The premixed gas is using propane and the gaseous mixture of air.
The igniter uses high energy pulse igniter.
The high speed dynamic pressure transducer, flame ion sensor use delicate level response sensor.
Method present invention also offers Explosion measurement is carried out using above-mentioned short distance pipeline detonation generating means, its bag
Include：
The first step, connecting components constitute detonation generating means, determine the quantity and detonation voltage stabilizing dress of waveform accelerating tube
The length put, couples together all parts according to above-mentioned annexation, checks each pipe joint, valve, sensor interface etc.
The sealing and integrality of position, check whether there is breakage, debug and have 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 vavuum pump, vacuum valve, and test device is carried out to vacuumize operation, is closed after absolute vacuum is reached true
Empty pump, vacuum valve；
Gas distribution valve is opened in 3rd step, distribution, premix gas is poured into 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 is fired, and starting high-energy igniter carries out igniting operation, fires premix gas in pipeline, dynamic pressure
Superpressure, flame change in force snesor, flame ion sensor Real-time Collection pipeline, and fed back to by data acquisition device
PLC assemblies；
5th step, exhaust emissions after firing end, opens drain tap, purging valve, starts air blower, in device
The tail gas that fires carry out purging discharge, purging valve, drain tap are closed after a period of time, stop air blower；
6th step, analyze data, Adjustment Tests analyze test data of experiment, judge detonation generating state, such as reach detonation
State, then can further reduce the quantity and detonation stable-pressure device length of waveform accelerating tube, shorten plumbing installation length, it
After carry out repeat experiment, exclude contingency；Detonation is such as not up to, waveform accelerating tube quantity and detonation voltage stabilizing dress can be increased
Length is put, and carries out repeated experiment；
7th step, integral data obtains working condition, integrates each air detonation development dataset, determines the quick-fried of gas with various
Hong generating means working condition.
Describe embodiments of the present invention in detail using embodiment and accompanying drawing below, how skill is applied to the present invention whereby
Art means solve technical problem, and reach the implementation process of technique effect and can fully understand and implement according to this.
As shown in figure 1, the short distance pipeline detonation generating means that the present invention is provided is included by a pitch circle shape stainless steel pipes
The 14 long and narrow pipelines constituted with waveform accelerating tube 15, waveform accelerating tube is detachable, can be increased according to combustion gas type
Subtract, accelerating tube 15 can quickly be improved using waveform and fire turbulence intensity, strengthen flame acceleration, make to fire reach quasi- detonation or
Detonation state；Interface is opened up with air blower 1, purging valve 2, premix gas cylinder 3, gas distribution valve 4, high-energy ignition in the front end of pipeline 14
Device 5 is connected, and can play pipeline purging, pipeline distribution and IGNITION CONTROL effect；Opened up above the front end of pipeline 14 interface with it is true
Empty pump 6, vacuum valve 7 are connected, and are capable of achieving the vacuum operation demand of distribution preceding pipeline；Air bleeding valve is opened up above the rear end of pipeline 14
Door 8, it is possible to achieve pipeline superpressure tail gas is released；Pressure gauge 9 is connected in the front-end and back-end of pipeline 14, distribution pressure process can be monitored
Situation of change；Detonation stabilising arrangement is additionally arranged in the pipeline 14 at the rear of accelerating tube 15, as shown in Fig. 2 using cylinder flow-disturbing
Rod is interspersed by horizontal, longitudinal direction, is capable of achieving non-steady detonation to the acceleration of detonation or the stabilization function of steady detonation；
The top of front-end pipelines 14 of wave accelerating tube 15 and the top of pipeline 14 at detonation stabilising arrangement rear are respectively provided with dynamic pressure biography
Sensor 10, flame ion sensor 11, flame sensor is arranged in pairs, sensor by high speed dynamic data acquisition device 12 with
PLC assemblies system 13 is connected, in the PLC system 13 can superpressure Changing Pattern in display pipes flame speed and pipeline in real time,
Pipeline detonation state is judged by flame and superpressure situation.
Gas is premixed in the present embodiment and uses propane-air mixture, igniter uses high energy pulse igniter, quick-action high
State pressure sensor, flame particle sensor use delicate level response sensor.
Test and tested mainly for pipeline internal combustion gas explosion Hong generating state.The first step, determines waveform accelerating tube
15 quantity and the length of detonation stable-pressure device 16, need to connect each instrument and equipment according to schematic diagram and experiment, check each pipe joint,
The sealing and integrality of the positions such as valve, sensor interface, check whether there is breakage.Second step, adjusts high as needed
The ignition energy of energy igniter 5, closes purging valve 2, gas distribution valve 4, drain tap 8, opens vavuum pump 6, vacuum valve 7,
Test device is carried out to vacuumize operation, vavuum pump 6, vacuum valve 8 are closed after absolute vacuum is reached；3rd step, opening is matched somebody with somebody
Air valve 4, pours test device, while observed pressure table 9, after normal pressure is reached everywhere, closes distribution immediately by premix gas
Valve 4；4th step, starting high-energy igniter 5 carries out igniting operation, fires premix gas in pipeline, dynamic pressure transducer 10,
Superpressure, flame change in the Real-time Collection pipeline of flame ion sensor 11, and PLC assemblies are fed back to by data acquisition device 12
13；5th step, after firing end, opens drain tap 9, purging valve 2, starts air blower 1, and the tail gas that fires in device is entered
Row purging discharge, closes purging valve 2, drain tap 9 after a period of time, stop air blower 1；6th step, analyzes experiment test
Data, judge detonation generating state, such as reach detonation state, then can further reduce the quantity and detonation of waveform accelerating tube
Stable-pressure device length, shortens plumbing installation length, carries out repeating experiment afterwards, excludes contingency；Such as it is not up to detonation, Ke Yizeng
Plus waveform accelerating tube quantity and detonation stable-pressure device length, and carry out repeated experiment；7th step, integrates each air detonation
Development dataset, determines the detonation generating means working condition of gas with various.
All above-mentioned this intellectual properties of primarily implementation, the not this new product of implementation of setting limitation other forms
And/or new method.Those skilled in the art will be using this important information, the above modification, to realize similar execution feelings
Condition.But, all modifications or transformation are based on the right that new product of the present invention belongs to reservation.
The above, is only presently preferred embodiments of the present invention, is not the limitation for making other forms to the present invention, is appointed
What those skilled in the art changed possibly also with the technology contents of the disclosure above or be modified as equivalent variations etc.
Effect embodiment.But it is every without departing from technical solution of the present invention content, according to technical spirit of the invention to above example institute
Any simple modification, equivalent variations and the remodeling made, still fall within the protection domain of technical solution of the present invention.
Claims (10)
1. a kind of short distance pipeline detonation generating means, it is characterised in that：Including circular stainless steel pipes and waveform accelerating tube,
The waveform accelerating tube is located at detachable assembling in the middle of circular stainless steel pipes, and the waveform sets quickly to improve and fires
Turbulence intensity, enhancing flame acceleration, make to fire and reach quasi- detonation or detonation state.
2. short distance pipeline detonation generating means as claimed in claim 1, it is characterised in that：In the connection of waveform bend pipe rear
Section circular stainless steel tube in set detonation stable-pressure device, the detonation stable-pressure device using cylinder tabulator bars by laterally,
Being interspersed for longitudinal direction, is capable of achieving non-steady detonation to the acceleration of detonation or the stabilization function of steady detonation.
3. short distance pipeline detonation generating means as claimed in claim 1 or 2, it is characterised in that：In circular stainless steel tube
Front end opens up interface, is connected with air blower by pipeline, and air blower can play a part of pipeline purging, in air blower and circle
Purging valve is set on the connecting pipe between shape stainless steel tube.
4. the short distance pipeline detonation generating means as described in claims 1 to 3, it is characterised in that：In circular stainless steel tube
Front end opens up interface, is connected with premix gas cylinder by pipeline, and distribution premix gas cylinder can carry out distribution operation to pipeline, pre-
Gas distribution valve is set on connecting pipe between mixed gas cylinder and circular stainless steel pipes.
5. the short distance pipeline detonation generating means as described in Claims 1-4, it is characterised in that：In circular stainless steel tube
Front end opens up interface, is connected with high-energy igniter by pipeline, and high-energy igniter can play a part of IGNITION CONTROL.
6. the short distance pipeline detonation generating means as described in claim 1 to 5, it is characterised in that：In circular stainless steel pipes
Front end side top opens up interface, is connected with vacuum valve, vavuum pump by pipeline, realizes the vacuum operation of distribution preceding pipeline and needs
Ask.
7. the short distance pipeline detonation generating means as described in claim 1 to 6, it is characterised in that：In circular stainless steel pipes
Rear end side top open up drain tap, realize that pipeline fires superpressure tail gas and releases.
8. the short distance pipeline detonation generating means as described in claim 1 to 7, it is characterised in that：In front of wave accelerating tube
The circular stainless steel pipes top at the top of the circular stainless steel pipes of linkage section and the rear of detonation stable-pressure device is respectively provided with
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 is by dynamic at a high speed
Data acquisition device is connected with PLC assembly systems.
9. the method that short distance pipeline detonation generating means described in claim 1 to 8 carries out Explosion measurement, it is characterised in that bag
Include：
The first step, connecting components constitute detonation generating means；
Second step, vacuumizes；
3rd step, distribution；
4th step, igniting is fired；
5th step, exhaust emissions.
10. the method that short distance pipeline detonation generating means as claimed in claim 9 carries out Explosion measurement, it is characterised in that also
Further include：
6th step, analyze data, Adjustment Tests；
7th step, integral data obtains working condition.
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| Application Number | Priority Date | Filing Date | Title |
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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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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710130826.3A CN106768990B (en) | 2017-03-07 | 2017-03-07 | A kind of short distance pipeline detonation generating device |
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| Publication Number | Publication Date |
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| CN106768990A true CN106768990A (en) | 2017-05-31 |
| CN106768990B CN106768990B (en) | 2019-08-02 |
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Cited By (5)
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| CN107942029A (en) * | 2017-11-14 | 2018-04-20 | 北京科技大学 | A kind of fast and effective direct initiation detonation pipeline group 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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| 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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| CN106768990B (en) | 2019-08-02 |
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Effective date of registration: 20221101 Address after: Yanan City, Shandong province Qingdao City three road 266071 No. 218 Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Patentee after: Sinopec Safety Engineering Research Institute Co.,Ltd. Address before: Yanan City, Shandong province Qingdao City three road 266071 No. 218 Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Patentee before: SINOPEC Research Institute OF SAFETY ENGINEERING |