CN103592332A - Airbag external-pressurization type mixed gas blasting determination apparatus - Google Patents
Airbag external-pressurization type mixed gas blasting determination apparatus Download PDFInfo
- Publication number
- CN103592332A CN103592332A CN201310613410.9A CN201310613410A CN103592332A CN 103592332 A CN103592332 A CN 103592332A CN 201310613410 A CN201310613410 A CN 201310613410A CN 103592332 A CN103592332 A CN 103592332A
- Authority
- CN
- China
- Prior art keywords
- pressure
- pressurizing vessel
- gas
- air
- bag
- 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.)
- Granted
Links
Images
Landscapes
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The invention relates to an airbag external-pressurization type mixed gas blasting determination apparatus. The determination apparatus comprises a flexible airbag, an electric ignition electrode, a camera, a transparent protection sheet, a pressure sensor, a gas inlet having a non-return valve, a high pressure gas source, a pressure adjusting valve, a triple valve, an evacuation pipeline, a pressurization container and the like. The pressurization container is fixed on a support, the electric ignition electrode, the camera, the transparent protection sheet and the pressure sensor are respectively fixed on the pressurization container, the pressure adjusting valve is connected with the high pressure gas source, the triple valve is connected with the gas inlet and a gas outlet, and the flexible airbag suspends in the pressurization container and is fixed with the gas inlet with the non-return valve. Compared with present general technologies, the apparatus adopting an essentially different mechanism has the advantages of high safety, simple structure, low cost, easy maintenance and suitableness for various conditions.
Description
Technical field
The present invention relates to firing property of mixed gas determinator, especially relate to firing property of the mixed gas determinator of the additional pressure type of a kind of air bag.
Background technology
In industrial process, usually relate to the gas reaction under condition of high voltage (being greater than atmospheric pressure), and these gases often have stronger inflammability, after particularly several gas mixes, its danger will further increase, and therefore, guarantee that the safety of normal reaction is carried out just very necessary, wherein, main hazards are exactly the danger that gaseous mixture fires.For fear of the generation of this phenomenon, need to understand the firing property of mixed gas and the extreme mixture ratio firing.
At present, the firing property of mixed gas of carrying out under high pressure is mainly to carry out in rigid container, produces high voltage bearing container and tests, and the method has the following disadvantages:
1, use the method to carry out the pressure that produces in process of the test very large, high to the coefficient of container and sealing requirements, design difficulty is larger;
2, firing property of mixed gas relates to the mixing match of gas, in gas mixing ratio process, need to according to the component ratio of intending configuration combination gas, calculate the dividing potential drop of each gas composition, and this dividing potential drop is the static pressure of the front container of test, reaches the object of distribution by setting dividing potential drop.But it is very high that this method is controlled requirement for the air inflow of each gas, realizes difficulty larger;
While 3, using the method to test, cannot carry out naked eyes or Imaging Study;
While 4, using the method, sample demand is large, for a small amount of sample of collection in worksite, cannot test;
5, the method is had relatively high expectations to auxiliary facility.
It is higher that above feature has determined that the method implements expense, has certain limitation.Therefore, at present, the method use is not at home very general.
Summary of the invention
Object of the present invention is exactly to provide firing property of the additional pressure type mixed gas of a kind of air bag determinator in order to overcome the defect of above-mentioned prior art existence.
Object of the present invention can be achieved through the following technical solutions: firing property of the additional pressure type mixed gas of a kind of air bag determinator, it is characterized in that, and this determinator comprises:
Pressurizing vessel: be fixed in ground grading by support;
Flexible air-bag: be placed in pressurizing vessel;
Air intake opening with retaining valve: be arranged on flexible air-bag;
Electric ignition electrode: be arranged on flexible air-bag, and be communicated with the power source generator of pressurizing vessel outside;
Pressure transducer: be arranged on pressurizing vessel wall;
Transparent protective sheet: be arranged on pressurizing vessel wall;
Camera: be positioned in transparent protective sheet;
High-pressure air source: be positioned over pressurizing vessel outside;
Pressure-regulating valve: be connected with high-pressure air source;
Emptying pipe: be placed in pressurizing vessel outside;
T-valve: between emptying pipe outlet, pressure-regulating valve and pressurizing vessel, connect respectively pressurizing vessel, emptying pipe, and be communicated with high-pressure air source by pressure-regulating valve.
Described pressurizing vessel connects high-pressure air source by T-valve, in experimentation, injects the inert gas of required pressure by high-pressure air source, reaches the object of rising test pressure, after experiment finishes, passes through the emptying inert gas of emptying pipe.
Pressurizing vessel, has certain bearing capacity, but compares traditional explosive container, and its bearing requirements is low, and cost of manufacture is low.
In described flexible air-bag, be filled with gas to be tested, have certain pliability, the flexible air-bag that is full of gas to be tested is placed in described pressurizing vessel, and flexible air-bag internal pressure can change with the variation of pressurizing vessel internal pressure.
The volume of described flexible air-bag is less than described pressurizing vessel volume, in described pressurizing vessel, is filled with inert gas, and after in flexible air-bag, gas is lighted, the pressure of generation, by inert gas dilution, can not exert an influence to exterior object.
Described transparent protective sheet is assigned on pressurizing vessel, by described camera, records the whole process of the test of internal tank, observes gas to be tested fire the phenomenon being produced with this.
Described pressure transducer is placed on pressurizing vessel wall, records the pressure that test gas is lighted rear generation, after quantitatively judging burning or blast, produces pressure value.
The present invention utilizes flexible air-bag to carry out mixed gas to fill, then air bag is placed in to special container, in container, pressurize until reach set pressure gradually subsequently, the pressure that makes inside air bag changes with the variation of container internal pressure, thereby reach the object of pressurization, with this, carry out the mensuration of firing property of gas under specified pressure.
Compared with prior art, from another thinking, by the mode of external pressurized, solved the deficiency that prior art exists.Principal feature is as follows:
1, in a larger pressure resistant vessel, place the flexible air-bag that includes electric igniter and be filled with tested gas, then use other inert gases, as nitrogen, be filled with in container, slowly compressing gasbag, can make inside air bag accurately reach and set after pressure, the test of lighting a fire.
2, the air bag volume ratio after container and compression is large, can reach even hundreds of times of decades of times, and in air bag, the high pressure of gas after firing can be reduced rapidly, and container is required greatly to reduce;
3, view window can be set, by image data, intuitively observe gas and whether fire phenomenon;
4, air bag quality is light, and available weight method accurately adds various gas successively, controls flexibly the proportioning of each component, measures precision high;
5, also can use air bag to reduce pressure on commercial plant after Direct Sampling, be then filled with container pressurization and test, guarantee the authenticity of simulation test.
6, test realizes difficulty reduction, and experimentation cost reduces;
7, simple in structure, easy to operate, be easy to safeguard;
8, security is good.
Accompanying drawing explanation
Fig. 1 is the structural representation of firing property of the additional pressure type mixed gas of air bag of the present invention determinator.
In figure, identify: 1, flexible air-bag; 2, electric ignition electrode; 3, camera; 4, transparent protective sheet; 5, pressure transducer; 6, with the air intake opening of retaining valve; 7, high-pressure air source; 8, pressure-regulating valve; 9, T-valve; 10, emptying pipe; 11, pressurizing vessel.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
As shown in Figure 1, firing property of the additional pressure type mixed gas of a kind of air bag determinator, this determinator comprises:
Pressurizing vessel 11: be fixed in ground grading by support; Pressurizing vessel, has certain bearing capacity, but compares traditional explosive container, and its bearing requirements is low, and cost of manufacture is low.Described pressurizing vessel connects high-pressure air source by T-valve, in experimentation, injects the inert gas of required pressure by high-pressure air source, reaches the object of rising test pressure, after experiment finishes, passes through the emptying inert gas of emptying pipe.
Flexible air-bag 1: be placed in pressurizing vessel; In described flexible air-bag, be filled with gas to be tested, have certain pliability, the flexible air-bag that is full of gas to be tested is placed in described pressurizing vessel, and flexible air-bag internal pressure can change with the variation of pressurizing vessel internal pressure.The volume of described flexible air-bag is less than described pressurizing vessel volume, in described pressurizing vessel, is filled with inert gas, and after in flexible air-bag, gas is lighted, the pressure of generation, by inert gas dilution, can not exert an influence to exterior object.
Air intake opening 6 with retaining valve: be arranged on flexible air-bag;
Electric ignition electrode 2: be arranged on flexible air-bag 1, and be communicated with the power source generator of pressurizing vessel 11 outsides;
Pressure transducer 5: be arranged on pressurizing vessel 11 walls; Described pressure transducer is placed on pressurizing vessel wall, records the pressure that test gas is lighted rear generation, after quantitatively judging burning or blast, produces pressure value.
Transparent protective sheet 4: be arranged on pressurizing vessel wall 11; Described transparent protective sheet is assigned on pressurizing vessel, by described camera, records the whole process of the test of internal tank, observes gas to be tested fire the phenomenon being produced with this.
Camera 3: be positioned in transparent protective sheet 4;
High-pressure air source 7: be positioned over pressurizing vessel 11 outsides;
Pressure-regulating valve 8: be connected with high-pressure air source 7;
Emptying pipe 10: be placed in pressurizing vessel 11 outsides;
T-valve 9: between emptying pipe 10 outlets, pressure-regulating valve 8 and pressurizing vessel 11, connect respectively pressurizing vessel 11, emptying pipe 10, and be communicated with high-pressure air source 7 by pressure-regulating valve 8.
When firing property of the gas determinator the present invention relates in use is tested, mainly contain following process:
(1) sample: use weight method that the gas of each component is accurately added in flexible air-bag, or directly take actual sample gas to be filled with flexible air-bag at process units;
(2) assembling: the flexible air-bag for preparing gaseous sample is hung in pressurizing vessel, and connect electric ignition joint, sealed pressurizing vessel;
(3) inflation: toward the protection gas that adds required pressure in pressurizing vessel, as nitrogen;
(4) igniting: trigger point firearm, mixed gas is carried out to ignition operation, start camera and pressure transducer recording image data and pressure data respectively simultaneously;
(5) single test finishes, gas in emptying pressurizing vessel, and cleaning, prepares test next time.
Those of ordinary skill in the art will be appreciated that, above embodiment is only for the present invention is described, and be not used as limitation of the invention, as long as within the scope of connotation of the present invention, to the variation of the above embodiment, modification, all will drop within the scope of claims of the present invention.
Claims (6)
1. firing property of the additional pressure type mixed gas of an air bag determinator, is characterized in that, this determinator comprises:
Pressurizing vessel: be fixed in ground grading by support;
Flexible air-bag: be placed in pressurizing vessel;
Air intake opening with retaining valve: be arranged on flexible air-bag;
Electric ignition electrode: be arranged on flexible air-bag, and be communicated with the power source generator of pressurizing vessel outside;
Pressure transducer: be arranged on pressurizing vessel wall;
Transparent protective sheet: be arranged on pressurizing vessel wall;
Camera: be positioned in transparent protective sheet;
High-pressure air source: be positioned over pressurizing vessel outside;
Pressure-regulating valve: be connected with high-pressure air source;
Emptying pipe: be placed in pressurizing vessel outside;
T-valve: between emptying pipe outlet, pressure-regulating valve and pressurizing vessel, connect respectively pressurizing vessel, emptying pipe, and be communicated with high-pressure air source by pressure-regulating valve.
2. firing property of the additional pressure type mixed gas of a kind of air bag according to claim 1 determinator, it is characterized in that, described pressurizing vessel connects high-pressure air source by T-valve, in experimentation, by high-pressure air source, inject the inert gas of required pressure, after experiment finishes, pass through the emptying inert gas of emptying pipe.
3. firing property of the additional pressure type mixed gas of a kind of air bag according to claim 1 determinator, it is characterized in that, in described flexible air-bag, be filled with gas to be tested, the flexible air-bag that is full of gas to be tested is placed in described pressurizing vessel, and flexible air-bag internal pressure can change with the variation of pressurizing vessel internal pressure.
4. firing property of the additional pressure type mixed gas of a kind of air bag according to claim 1 determinator, it is characterized in that, the volume of described flexible air-bag is less than described pressurizing vessel volume, in described pressurizing vessel, be filled with inert gas, after in flexible air-bag, gas is lighted, the pressure producing, by inert gas dilution, can not exert an influence to exterior object.
5. firing property of the additional pressure type mixed gas of a kind of air bag according to claim 1 determinator, it is characterized in that, described transparent protective sheet is assigned on pressurizing vessel, by described camera, record the whole process of the test of internal tank, with this, observe gas to be tested and fire the phenomenon being produced.
6. firing property of the additional pressure type mixed gas of a kind of air bag according to claim 1 determinator, it is characterized in that, described pressure transducer is placed on pressurizing vessel wall, records the pressure that test gas is lighted rear generation, after quantitatively judging burning or blast, produces pressure value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310613410.9A CN103592332B (en) | 2013-11-27 | 2013-11-27 | Airbag external-pressurization type mixed gas blasting determination apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310613410.9A CN103592332B (en) | 2013-11-27 | 2013-11-27 | Airbag external-pressurization type mixed gas blasting determination apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103592332A true CN103592332A (en) | 2014-02-19 |
| CN103592332B CN103592332B (en) | 2015-07-15 |
Family
ID=50082557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310613410.9A Active CN103592332B (en) | 2013-11-27 | 2013-11-27 | Airbag external-pressurization type mixed gas blasting determination apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103592332B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792823A (en) * | 2015-04-20 | 2015-07-22 | 中国石油化工股份有限公司 | Device for testing burning and explosion characteristics of gas phase in reaction process |
| CN105092645A (en) * | 2015-08-14 | 2015-11-25 | 中国航空工业集团公司西安飞机设计研究所 | Oil tank assembly and lightning test method |
| CN106015916A (en) * | 2016-06-12 | 2016-10-12 | 高峰 | Intelligent gas storage cylinder for ship to store compressed gas |
| CN107688085A (en) * | 2017-08-16 | 2018-02-13 | 上海化工研究院有限公司 | A kind of light-duty simulation test device for the checking of gas burst accident |
| CN108872310A (en) * | 2018-04-19 | 2018-11-23 | 辽宁石油化工大学 | A kind of Mixed Gases Explosion limit measuring method and device |
| CN112305022A (en) * | 2020-11-29 | 2021-02-02 | 上海化工院检测有限公司 | Variable-pressure gas explosiveness testing device driven by double-acting air cylinder |
| CN116067906A (en) * | 2023-02-28 | 2023-05-05 | 鞍钢股份有限公司 | Device and method for measuring sulfur element in coke oven gas |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04355357A (en) * | 1991-05-31 | 1992-12-09 | Cosmo Sogo Kenkyusho:Kk | Constant volume combustion apparatus for combustion characteristic evaluation for liquid fuel oil |
| JPH08145921A (en) * | 1994-11-18 | 1996-06-07 | Lion Corp | Measuring equipment of flammability limits |
| CN101968457A (en) * | 2010-09-14 | 2011-02-09 | 中国石油化工股份有限公司 | Explosion danger testing device for gas-phase reaction system and using method thereof |
| CN102879427A (en) * | 2012-09-27 | 2013-01-16 | 南京工业大学 | Multifunctional test system and test method for inhibiting combustible gas explosion by using fine water mist |
| CN102879428A (en) * | 2012-09-29 | 2013-01-16 | 南京工业大学 | Combustible gas explosion venting damage effect testing device and analysis method |
| CN102879416A (en) * | 2012-09-26 | 2013-01-16 | 公安部天津消防研究所 | Experiment device and experiment method for gas cloud combustion, explosion simulation and inerting, inhibition |
-
2013
- 2013-11-27 CN CN201310613410.9A patent/CN103592332B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04355357A (en) * | 1991-05-31 | 1992-12-09 | Cosmo Sogo Kenkyusho:Kk | Constant volume combustion apparatus for combustion characteristic evaluation for liquid fuel oil |
| JPH08145921A (en) * | 1994-11-18 | 1996-06-07 | Lion Corp | Measuring equipment of flammability limits |
| CN101968457A (en) * | 2010-09-14 | 2011-02-09 | 中国石油化工股份有限公司 | Explosion danger testing device for gas-phase reaction system and using method thereof |
| CN102879416A (en) * | 2012-09-26 | 2013-01-16 | 公安部天津消防研究所 | Experiment device and experiment method for gas cloud combustion, explosion simulation and inerting, inhibition |
| CN102879427A (en) * | 2012-09-27 | 2013-01-16 | 南京工业大学 | Multifunctional test system and test method for inhibiting combustible gas explosion by using fine water mist |
| CN102879428A (en) * | 2012-09-29 | 2013-01-16 | 南京工业大学 | Combustible gas explosion venting damage effect testing device and analysis method |
Non-Patent Citations (1)
| Title |
|---|
| 孟宪昌: "氢、空气混合气体爆炸极限的实验的演示", 《化学教育》, no. 11, 31 December 2000 (2000-12-31), pages 43 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792823A (en) * | 2015-04-20 | 2015-07-22 | 中国石油化工股份有限公司 | Device for testing burning and explosion characteristics of gas phase in reaction process |
| CN105092645A (en) * | 2015-08-14 | 2015-11-25 | 中国航空工业集团公司西安飞机设计研究所 | Oil tank assembly and lightning test method |
| CN106015916A (en) * | 2016-06-12 | 2016-10-12 | 高峰 | Intelligent gas storage cylinder for ship to store compressed gas |
| CN107688085A (en) * | 2017-08-16 | 2018-02-13 | 上海化工研究院有限公司 | A kind of light-duty simulation test device for the checking of gas burst accident |
| CN108872310A (en) * | 2018-04-19 | 2018-11-23 | 辽宁石油化工大学 | A kind of Mixed Gases Explosion limit measuring method and device |
| CN112305022A (en) * | 2020-11-29 | 2021-02-02 | 上海化工院检测有限公司 | Variable-pressure gas explosiveness testing device driven by double-acting air cylinder |
| CN112305022B (en) * | 2020-11-29 | 2023-02-21 | 上海化工院检测有限公司 | Variable-pressure gas explosiveness testing device driven by double-acting air cylinder |
| CN116067906A (en) * | 2023-02-28 | 2023-05-05 | 鞍钢股份有限公司 | Device and method for measuring sulfur element in coke oven gas |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103592332B (en) | 2015-07-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103592332B (en) | Airbag external-pressurization type mixed gas blasting determination apparatus | |
| CN102879427A (en) | Multifunctional test system and test method for inhibiting combustible gas explosion by using fine water mist | |
| CN104407013B (en) | Measure the gas burst experimental provision to structure influence | |
| CN101876655B (en) | Gas inflammability tester | |
| CN203705174U (en) | An industrial building structure and part explosion-proof, pressure release and explosion suppression performance evaluating apparatus | |
| CN201497642U (en) | Explosion relief valve type test device | |
| CN100442045C (en) | Device for testing explosion-proof performance of barrier explosion-proof material and testing method thereof | |
| CN108389636B (en) | Combustible gas explosion experiment system and method in a kind of small size pipeline | |
| CN106018745A (en) | Device and method for measuring gas well sand production critical gas flow rate | |
| CN117191605B (en) | Explosion-proof performance detection method and explosion-proof performance detection system for electrochemical energy storage device | |
| CN103616250B (en) | Industrial building structure and parts are explosion-proof, pressure release and datonation-inhibition function evaluating apparatus and method | |
| CN103398930B (en) | A kind of gas generator for safety air sac screen pack ventilation performance test system and method | |
| CN110346411A (en) | A kind of vacuum explosion experimental facility | |
| CN205210005U (en) | Test combustible gas or steam explosion limit's autoclave system | |
| CN104280420A (en) | System and method for measuring explosion limit of liquid fuel vapor | |
| CN104931530A (en) | Test method of safe critical partial pressure of easily-decomposable gas | |
| CN101089619A (en) | Device for investigating low pressure easy explosion gas | |
| US6978665B2 (en) | Hydrogen supply apparatus and hydrogen supply method for measuring fuel consumption of hydrogen fuel vehicle | |
| CN103983445A (en) | Fireproof test device of high-speed ventilation valve | |
| CN210571315U (en) | Fire arrestor test platform for liquid rocket | |
| Shirvill et al. | Hydrogen releases ignited in a simulated vehicle refuelling environment | |
| CN109493674B (en) | Modern teaching device for simulating gas explosion effect and control method thereof | |
| CN102507647A (en) | Device for researching gas safety threshold of sewage conduit | |
| CN202794084U (en) | Multifunctional testing device for suppressing explosion of combustible gas by using fine water mist | |
| CN115406640B (en) | Filter explosion damage simulation device and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200062 Shanghai city Putuo District Yunling Road No. 345 Co-patentee after: Shanghai Tianke Chemical Detection Co., Ltd. Patentee after: Shanghai Chemical Research Institute Co., Ltd. Address before: 200062 Shanghai city Putuo District Yunling Road No. 345 Co-patentee before: Shanghai Tianke Chemical Detection Co., Ltd. Patentee before: Shanghai Research Institute of Chemical Industry |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200062 Shanghai city Putuo District Yunling Road No. 345 Co-patentee after: Shanghai Chemical Institute Testing Co., Ltd. Patentee after: Shanghai Chemical Research Institute Co., Ltd. Address before: 200062 Shanghai city Putuo District Yunling Road No. 345 Co-patentee before: Shanghai Tianke Chemical Detection Co., Ltd. Patentee before: Shanghai Chemical Research Institute Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |