CN106093116A - Combustible gas explosion parameter test device - Google Patents
Combustible gas explosion parameter test device Download PDFInfo
- Publication number
- CN106093116A CN106093116A CN201610738964.5A CN201610738964A CN106093116A CN 106093116 A CN106093116 A CN 106093116A CN 201610738964 A CN201610738964 A CN 201610738964A CN 106093116 A CN106093116 A CN 106093116A
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- Prior art keywords
- blast cavity
- gas
- parameter test
- explosion
- cavity
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/50—Investigating or analyzing materials by the use of thermal means by investigating flash-point; by investigating explosibility
- G01N25/54—Investigating or analyzing materials by the use of thermal means by investigating flash-point; by investigating explosibility by determining explosibility
Abstract
The invention discloses a kind of combustible gas explosion parameter test device, including blast cavity, pumped vacuum systems, air supply system, heating system, ignition system, data collecting system and exhaust treatment system.Blast cavity is for imflammable gas generation explosive reaction；Pumped vacuum systems is for blast cavity evacuation；Air supply system is for adding imflammable gas to blast cavity；Heating system is for heating the imflammable gas in explosion chamber body；Ignition system is for lighting a fire to the imflammable gas in explosion chamber body；Data collecting system is for testing the blast pressure of the imflammable gas in explosion chamber body；The waste gas that exhaust treatment system produces after exploding imflammable gas in explosion chamber body discharges and processes.The test device of the present invention can test the LEL of imflammable gas, maximum explosion pressure and the explosion index under High Temperature High Pressure, and taking preventive measures enterprise's fire and explosion accident has certain directive significance.
Description
Technical field
The invention belongs to petrochemical industry security industry field, particularly relate to a kind of combustible gas explosion parameter testing dress
Put.
Background technology
Along with modernization industrial expansion, the production of imflammable gas and range are more and more extensive, and it produces and makes
Need during with under High Temperature High Pressure is carried out, it is easy to large-scale fire, explosion accident occur.Combustible gas explosion
Being substantially combustible gas and the Quick Oxidation of air or oxygen reacts, it is the important form of industrial explosion disaster.Imflammable gas
Blast characteristics parameter mainly affected by factors such as the size of ignition energy, the geometry of container and ignition locations, and
General test device can not measure the blast characteristics parameter under High Temperature High Pressure.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of combustible gas explosion parameter test device, and it can be tested
The LEL of the imflammable gas under High Temperature High Pressure, maximum explosion pressure and explosion index.
In order to solve above-mentioned technical problem, the technical solution adopted in the present invention is:
A kind of combustible gas explosion parameter test device, including:
Blast cavity, it is used for imflammable gas generation explosive reaction；
Pumped vacuum systems, it connects with described blast cavity, for described blast cavity evacuation；
Air supply system, it connects with described blast cavity, for adding imflammable gas to described blast cavity；
Heating system, it is located on described blast cavity, for heating the imflammable gas in described explosion chamber body；
Ignition system, it is located on described blast cavity, for carrying out the imflammable gas in described explosion chamber body a little
Fire；
Data collecting system, it is located on described blast cavity, for testing the imflammable gas in described explosion chamber body
Blast pressure；
Exhaust treatment system, it connects with described blast cavity, for sending out imflammable gas in described explosion chamber body
The waste gas produced after raw blast discharges and processes.
It is also preferred that the left described heating system includes temperature thermo-coupler, heating tape and temperature controller, described temperature thermo-coupler and
Described heating tape is located on described blast cavity, and described temperature thermo-coupler is connected with described temperature controller, described heating tape with
Described temperature controller connects.
It is also preferred that the left described exhaust treatment system includes exhaustor and exhaust gas processing device, described blast cavity is by described
Exhaustor connects with described exhaust gas processing device, and described exhaustor is provided with high pressure needle valve.
It is also preferred that the left the rustless steel cylindrical cavity that described blast cavity is horizontal positioned.
It is also preferred that the left combustible gas explosion parameter test device also includes cooling water recirculation system, it is for taking out described
The pipeline at vacuum system, air supply system and data collecting system place cools down.
It is also preferred that the left described data collecting system includes pressure transducer and data acquisition controller, described pressure transducer
Being located on described blast cavity, described pressure transducer is connected with described data acquisition controller；
Described pressure transducer is probe-type high-frequency pressure sensor.
It is also preferred that the left described pumped vacuum systems includes vacuum pump and vacuum meter, described vacuum pump is for described blast cavity
Evacuation, described vacuum meter is for testing the vacuum of described blast cavity；
Described pumped vacuum systems includes corrugated stainless steel tubing, and described vacuum pump passes through described corrugated stainless steel tubing and a direction
First port connection of control valve, the second port of described directional control valve is connected with described vacuum meter by gas pipeline, institute
The third connectivity mouth stating directional control valve is connected with described blast cavity by steam line, and described corrugated stainless steel tubing is provided with height
Pressing valve, described gas pipeline is provided with cutting ferrule ball valve, and described steam line is provided with high pressure needle valve.
It is also preferred that the left described air supply system includes digital pressure gauge and at least two gas cylinder, described gas cylinder is used for
There is provided the imflammable gas of certain pressure concentration to described blast cavity, described digital pressure gauge is used for detecting described blast cavity
The force value of interior imflammable gas；
Described gas cylinder is by being provided with a cutting ferrule ball valve and the steam line of a high pressure needle valve and a directional control valve
4th port connection, the second port of described directional control valve is by being provided with the gas pipeline of cutting ferrule ball valve and described digital pressure
Table connects, and the third connectivity mouth of described directional control valve connects with described blast cavity by being provided with the steam line of high pressure needle valve；
The quantity of described digital pressure gauge is two, and two numeral manometric measurement scopes are different.
It is also preferred that the left described ignition system includes that ignitor and igniter, described ignitor are located at described explosion chamber
On body, described ignitor is connected with described igniter；
Described ignitor is located at the center of described blast cavity.
The Advantageous Effects that technique scheme is brought includes:
The test device of the present invention can test the LEL of imflammable gas under High Temperature High Pressure, maximum explosion pressure
And explosion index, enterprise's fire and explosion accident are taken preventive measures there is certain directive significance.
The small-sized rustless steel cylindrical cavity that blast cavity is horizontal positioned of the present invention, can bear High Temperature High Pressure, heating system
Blast cavity can be heated to the highest temperature by system in the short period of time.
The sparking mode of the present invention is horizontal centre igniting, and igniter can select different energy to light flammable gas
Body.
Accompanying drawing explanation
Fig. 1 is the combustible gas explosion parameter test device structural representation of one embodiment of the invention.
In figure, 1-gas cylinder；21,22,23,24,25-cutting ferrule ball valve；31,32,33,34-high pressure needle valve；4-direction is controlled
Valve processed；5-corrugated stainless steel tubing；6-vacuum pump；7-pressure transducer；8-heating tape；9-ignitor；10-explodes cavity；11-
Exhaust gas processing device；12-data acquisition controller；13-vacuum meter；14-digital pressure gauge；15-temperature thermo-coupler.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with the accompanying drawing each reality to the present invention
The mode of executing is explained in detail.
See Fig. 1,
A kind of combustible gas explosion parameter test device, including:
Blast cavity 10, it is used for imflammable gas generation explosive reaction；
Pumped vacuum systems, it connects with described blast cavity 10, for described blast cavity 10 evacuation；
Air supply system, it connects with described blast cavity 10, for adding imflammable gas to described blast cavity 10；
Heating system, it is located on described blast cavity 10, for heating the imflammable gas in described blast cavity 10；
Ignition system, it is located on described blast cavity 10, for entering the imflammable gas in described blast cavity 10
Row igniting；
Data collecting system, it is located on described blast cavity 10, for testing the combustibility in described blast cavity 10
The blast pressure of gas；
Exhaust treatment system, it connects with described blast cavity 10, is used for imflammable gas at described blast cavity 10
Interior explode after produce waste gas discharge and process.
Heating system includes that temperature thermo-coupler 15, heating tape 8 and temperature controller, temperature thermo-coupler 15 and heating tape 8 set
On blast cavity 10, temperature thermo-coupler 15 is connected with temperature controller, and heating tape 8 is connected with temperature controller.Heating tape 8 is used
In heating blast cavity 10, temperature thermo-coupler 15 is for carrying out detecting temperature to blast cavity 10, and temperature controller is used
Controlling the temperature of blast cavity 10, exploding, cavity 10 is the highest can be heated to 999 DEG C.
Data collecting system includes pressure transducer 7 and data acquisition controller 12, and pressure transducer 7 is located at blast cavity
On 10, pressure transducer 7 is connected with data acquisition controller 12.Pressure transducer 7 is preferably probe-type high-frequency pressure sensor
7。
Exhaust treatment system includes exhaustor and exhaust gas processing device 11, and blast cavity 10 is by exhaustor and vent gas treatment
Device 11 connects, and exhaustor is provided with high pressure needle valve 34.
Pumped vacuum systems includes vacuum pump 6, vacuum meter 13 and corrugated stainless steel tubing 5, and vacuum pump 6 passes through corrugated stainless steel tubing
5 connect with the first port of directional control valve 4, and the second port of directional control valve 4 is connected with vacuum meter 13 by gas pipeline,
The third connectivity mouth of directional control valve 4 is connected with blast cavity 10 by steam line, and corrugated stainless steel tubing 5 is provided with high pressure needle valve
32, gas pipeline is provided with cutting ferrule ball valve 23, and steam line is provided with high pressure needle valve 33.Directional control valve 4 is preferably cross valve.
Corrugated stainless steel tubing 5 is connected by vacuum clamp with vacuum pump 6, directional control valve 4 and is supported by aluminium alloy post and fixing.
Corrugated stainless steel tubing 5 is installed in fluid delivery system as a kind of flexible pressure-resistant pipe fitting, in order to compensate vacuum pump 6, direction control
Valve 4 processed connects the mutual displacement of end, absorbs vibrational energy, it is possible to play the effect such as damping, noise reduction, have flexible, light weight,
Corrosion-resistant, resisting fatigue, the multinomial feature such as high temperature resistant.
Air supply system includes two digital pressure gauges 14 and at least two gas cylinder 1, and gas cylinder 1 is by being provided with a card
Set ball valve (21,22) connects with the 4th port of directional control valve 4 with the steam line of a high pressure needle valve 31, directional control valve 4
The second port connect with digital pressure gauge 14 by being provided with the gas pipeline of cutting ferrule ball valve (24,25).Two digital pressure gauges
14 can be used for measuring the force value of different range, and use two or even multiple gas cylinder 1, it is therefore an objective to can test mixed
Close the explosion limit of gas.
The pipeline at vacuum meter 13, digital pressure gauge 14 and pressure transducer 7 place is equipped with cooling water circulating device, permissible
Pipeline is cooled down, meets the requirement to test temperature of vacuum meter 13, digital pressure gauge 14 and pressure transducer 7.
Ignition system includes that ignitor 9 and igniter, ignitor 9 are located at the center of blast cavity 10, point
Thermoelectricity pole 9 is connected with igniter, and igniter can control the ignition energy of ignitor 9, and the igniting of ignitor 9
Mode is horizontal centre igniting.
Blast cavity 10 is preferably the rustless steel cylindrical cavity of horizontal positioned, it is possible to bear High Temperature High Pressure, heating system energy
Again in relatively short period of time, blast cavity 10 is heated to the highest temperature.
Work process:
1. with vacuum pump 6, blast cavity 10 is carried out evacuation, be evacuated to required vacuum, check the gas of blast cavity 10
Close property.Static 2 minutes, if vacuum meter 13 registration is constant, then blast cavity 10 air-tightness was good, if the change of vacuum meter 13 registration,
Then check air leak position, and carry out encapsulation process.
2., according to experiment needs, open gas cylinder 1 valve, by steam line, cutting ferrule ball valve (21,22), high pressure needle
Valve (31 and 33) and digital pressure gauge 14, add imflammable gas to blast cavity 10.
3. blast cavity 10 is added by the temperature control heating tape 8 that temperature controller detects according to temperature thermo-coupler 15
Heat, until blast cavity 10 reaches required test temperature.
4. the imflammable gas in blast cavity 10 is carried out by ignitor 9 by igniter with the ignition energy set
Igniting.
5. during the imflammable gas generation explosive reaction in blast cavity 10, in pressure transducer 7 detection blast cavity 10
Pressure, and exported to computer by data acquisition controller 12.
6. the waste gas after explosive reaction enters exhaust gas processing device 11 by exhaustor, and exhaust gas processing device 11 is to this waste gas
Process.
The test device of the present invention can test the LEL of imflammable gas under High Temperature High Pressure, maximum explosion pressure
And explosion index, enterprise's fire and explosion accident are taken preventive measures there is certain directive significance.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, the change that can readily occur in or replacement,
All should contain within protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
It is as the criterion.
Claims (14)
1. a combustible gas explosion parameter test device, it is characterised in that including:
Blast cavity, it is used for imflammable gas generation explosive reaction；
Pumped vacuum systems, it connects with described blast cavity, for described blast cavity evacuation；
Air supply system, it connects with described blast cavity, for adding imflammable gas to described blast cavity；
Heating system, it is located on described blast cavity, for heating the imflammable gas in described explosion chamber body；
Ignition system, it is located on described blast cavity, for lighting a fire the imflammable gas in described explosion chamber body；
Data collecting system, it is located on described blast cavity, for testing the quick-fried of imflammable gas in described explosion chamber body
Fried pressure；
Exhaust treatment system, it connects with described blast cavity, for occurring quick-fried in described explosion chamber body to imflammable gas
The waste gas produced after Zha discharges and processes.
2. combustible gas explosion parameter test device as claimed in claim 1, it is characterised in that: described heating system includes
Temperature thermo-coupler, heating tape and temperature controller, described temperature thermo-coupler and described heating tape are located on described blast cavity, institute
Stating temperature thermo-coupler to be connected with described temperature controller, described heating tape is connected with described temperature controller.
3. combustible gas explosion parameter test device as claimed in claim 1, it is characterised in that: described exhaust treatment system
Including exhaustor and exhaust gas processing device, described blast cavity is connected with described exhaust gas processing device by described exhaustor, institute
State exhaustor and be provided with high pressure needle valve.
4. combustible gas explosion parameter test device as claimed in claim 1, it is characterised in that: described blast cavity is water
The rustless steel cylindrical cavity of placing flat.
5. combustible gas explosion parameter test device as claimed in claim 1, it is characterised in that also include cooling water circulation
System, it is for cooling down the pipeline at described pumped vacuum systems, air supply system and data collecting system place.
6. combustible gas explosion parameter test device as claimed in claim 1, it is characterised in that: described data collecting system
Including pressure transducer and data acquisition controller, described pressure transducer is located on described blast cavity, described pressure sensing
Device is connected with described data acquisition controller.
7. combustible gas explosion parameter test device as claimed in claim 6, it is characterised in that: described pressure transducer is
Probe-type high-frequency pressure sensor.
8. combustible gas explosion parameter test device as claimed in claim 1, it is characterised in that: described pumped vacuum systems bag
Including vacuum pump and vacuum meter, described vacuum pump is for described blast cavity evacuation, and described vacuum meter is used for testing described quick-fried
The vacuum of fried cavity.
9. combustible gas explosion parameter test device as claimed in claim 8, it is characterised in that: described pumped vacuum systems bag
Including corrugated stainless steel tubing, described vacuum pump is connected by the first port of described corrugated stainless steel tubing and a directional control valve, institute
The second port stating directional control valve is connected with described vacuum meter by gas pipeline, and the third connectivity mouth of described directional control valve leads to
Crossing steam line to connect with described blast cavity, described corrugated stainless steel tubing is provided with high pressure needle valve, and described gas pipeline sets
Cutting ferrule ball valve, described steam line is had to be provided with high pressure needle valve.
10. combustible gas explosion parameter test device as claimed in claim 1, it is characterised in that: described air supply system bag
Including digital pressure gauge and at least two gas cylinder, described gas cylinder is for providing certain pressure concentration to described blast cavity
Imflammable gas, described digital pressure gauge is for detecting the force value of imflammable gas in described explosion chamber body.
11. combustible gas explosion parameter test devices as claimed in claim 10, it is characterised in that: described gas cylinder leads to
Crossing the 4th port connection being provided with a cutting ferrule ball valve and the steam line of a high pressure needle valve and a directional control valve, described direction is controlled
Second port of valve processed connects with described digital pressure gauge by being provided with the gas pipeline of cutting ferrule ball valve, described directional control valve
Third connectivity mouth connects with described blast cavity by being provided with the steam line of high pressure needle valve.
12. combustible gas explosion parameter test devices as claimed in claim 10, it is characterised in that: described digital pressure gauge
Quantity be two, two numeral manometric measurement scopes are different.
13. combustible gas explosion parameter test devices as claimed in claim 1, it is characterised in that: described ignition system bag
Including ignitor and igniter, described ignitor is located on described blast cavity, described ignitor and described igniting dress
Put connection.
14. combustible gas explosion parameter test devices as claimed in claim 13, it is characterised in that: described ignitor sets
Center at described blast cavity.
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Cited By (10)
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| CN106841300A (en) * | 2017-03-24 | 2017-06-13 | 上海化工研究院有限公司 | A kind of Combined industry dust explosion analog demenstration system |
| CN107247126A (en) * | 2017-06-13 | 2017-10-13 | 公安部天津消防研究所 | Fuel gas limit oxygen concentration parametric measurement device and operating method |
| CN108226222A (en) * | 2016-12-21 | 2018-06-29 | 中国石油化工股份有限公司 | A kind of device and method for being used to test combustion explosion of combustible gas parameter |
| CN109142471A (en) * | 2017-06-27 | 2019-01-04 | 中国石油化工股份有限公司 | A kind of device and method of test fluid liquid two-phase system blast characteristics |
| CN109142103A (en) * | 2018-09-26 | 2019-01-04 | 中国人民解放军陆军工程大学 | A kind of big equivalent underground explosion effect analog device |
| CN109374677A (en) * | 2018-09-25 | 2019-02-22 | 大连理工大学 | Combustible medium explosion limit fast testing system and method under a kind of high temperature and pressure |
| CN109374678A (en) * | 2018-09-25 | 2019-02-22 | 大连理工大学 | Combustible medium igniting and blast characteristics test macro and method under a kind of high temperature and pressure |
| CN111156934A (en) * | 2018-11-08 | 2020-05-15 | 中国石油化工股份有限公司 | Test system for testing safe size of micro-channel |
| CN114828481A (en) * | 2022-04-25 | 2022-07-29 | 武汉船用机械有限责任公司 | Electric cabinet with explosion detection function and use method thereof |
| CN115445536A (en) * | 2022-09-20 | 2022-12-09 | 北京理工大学 | Novel experiment method and experiment device for reaction of hydrogen and fluorine gas |
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| CN108226222A (en) * | 2016-12-21 | 2018-06-29 | 中国石油化工股份有限公司 | A kind of device and method for being used to test combustion explosion of combustible gas parameter |
| CN106841300A (en) * | 2017-03-24 | 2017-06-13 | 上海化工研究院有限公司 | A kind of Combined industry dust explosion analog demenstration system |
| CN107247126A (en) * | 2017-06-13 | 2017-10-13 | 公安部天津消防研究所 | Fuel gas limit oxygen concentration parametric measurement device and operating method |
| CN107247126B (en) * | 2017-06-13 | 2018-05-08 | 公安部天津消防研究所 | Fuel gas limit oxygen concentration parametric measurement device and operating method |
| CN109142471A (en) * | 2017-06-27 | 2019-01-04 | 中国石油化工股份有限公司 | A kind of device and method of test fluid liquid two-phase system blast characteristics |
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| CN109374678B (en) * | 2018-09-25 | 2020-12-11 | 大连理工大学 | System and method for testing ignition and explosion characteristics of combustible medium at high temperature and high pressure |
| CN109142103A (en) * | 2018-09-26 | 2019-01-04 | 中国人民解放军陆军工程大学 | A kind of big equivalent underground explosion effect analog device |
| CN109142103B (en) * | 2018-09-26 | 2023-11-03 | 中国人民解放军陆军工程大学 | Large-equivalent underground explosion effect simulation device |
| CN111156934A (en) * | 2018-11-08 | 2020-05-15 | 中国石油化工股份有限公司 | Test system for testing safe size of micro-channel |
| CN111156934B (en) * | 2018-11-08 | 2021-11-02 | 中国石油化工股份有限公司 | Test system for testing safe size of micro-channel |
| CN114828481A (en) * | 2022-04-25 | 2022-07-29 | 武汉船用机械有限责任公司 | Electric cabinet with explosion detection function and use method thereof |
| CN114828481B (en) * | 2022-04-25 | 2024-01-30 | 武汉船用机械有限责任公司 | Electric cabinet with explosion detection function and application method thereof |
| CN115445536A (en) * | 2022-09-20 | 2022-12-09 | 北京理工大学 | Novel experiment method and experiment device for reaction of hydrogen and fluorine gas |
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