CN202614707U - Device for explosiveness testing of combustible gas and steam at high temperature and high pressure - Google Patents
Device for explosiveness testing of combustible gas and steam at high temperature and high pressure Download PDFInfo
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- CN202614707U CN202614707U CN 201120399242 CN201120399242U CN202614707U CN 202614707 U CN202614707 U CN 202614707U CN 201120399242 CN201120399242 CN 201120399242 CN 201120399242 U CN201120399242 U CN 201120399242U CN 202614707 U CN202614707 U CN 202614707U
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Abstract
The utility model belongs to the technical field of gas phase combustion and explosion in petrochemical industry and particularly relates to a device for explosiveness testing of combustible gas and steam at high temperature and high pressure. The device comprises a computer system and a steam generator, wherein the computer system is connected with a gas distributing system and also connected with a 20L explosion ball through an instantaneous pressure collecting system; and the 20L explosion ball is respectively connected with an ignition device, a vacuum pump and a constant temperature oil bath. The device disclosed by the utility model is capable of testing the explosion limit of the combustible gas under a simulating a working condition, thus providing boundary conditions for process production and avoiding dangerous accidents; and the device has the advantages of simple structure, convenience for testing and reliability in result.
Description
Technical field
The utility model belongs to the petrochemical complex gas phase and fires technical field, specifically, relates to a kind of inflammable gas and steam carry out explosive test under HTHP device that is used for.
Background technology
Under the petrochemical process condition, generally can relate to inflammable gas or the steam reaction test under high-temperature and high-pressure conditions, the device of test explosion limits has both at home and abroad at present: the 5L blast ball that 1.ASTM E681-04 (being GB/T21844-2008) introduces; 2. the tubular type explosion limits tester introduced of the EC440-2008 of European Union; 3.GB12474 the tubular type explosion limits tester of introducing; 4.ASTM the 1L tubular type explosion limits tester that E918 introduces.Wherein first three cover instrument all is to the test under normal pressure and the condition of negative pressure, and having only the quadruplet instrument is the test to high pressure under the process conditions, but the volume of its 1L can cause test result inaccurate because of wall effect.And under working condition, often have inflammable gas and air in agitated reactor, tower or the pipeline, or certain density oxygen; The state of coexistence; In case its concentration proportioning reaches the explosion limits concentration under this working condition, then under the exciting of electrostatic spark, sets off an explosion probably
For this reason; Need a kind of can the simulated condition condition under and can test out the explosion limits of inflammable gas under this condition; And then for explained hereafter provides boundary condition, thereby avoid peril generation be used for inflammable gas and steam carry out explosive test under HTHP device.
The utility model content
The utility model provide a kind of can the simulated condition condition under and can test out the explosion limits of inflammable gas under this condition; And then for explained hereafter provides boundary condition, thereby avoid peril generation be used for inflammable gas and steam carry out explosive test under HTHP device.
The technical scheme that the utility model adopted is:
A kind of inflammable gas and steam is explosive proving installation under HTHP; Comprise department of computer science's steam generator of unifying; Said computer system is connected with gas distributing system; Said computer system also is connected through instantaneous pressure acquisition system and 20L blast ball, said 20L blast ball also respectively with portfire, vacuum pump, and constant temperature oil bath is connected.
In the technical scheme of the utility model, also have following additional technical feature:
Be connected through data line between said computer system and gas distributing system and the instantaneous pressure acquisition system.Computer system is controlled the distribution composition through gas distributing system, and the data that the instantaneous pressure acquisition system collects are transferred to computer system processor, draw explosion pressure curve and series of parameters.
Connect with data line between said instantaneous pressure acquisition system and the portfire.The instantaneous pressure acquisition system is the duration of ignition of control ignition device simultaneously.
Said constant temperature oil bath links to each other with 20L blast ball chuck cover.
Said steam generator, gas distributing system and vacuum pump explode with 20L and are connected with four-way between the ball, come CS with valve between each branch road.
Said digital pressure gauge is connected with the cavity of digital vacuum meter with 20L blast ball.
Compared with prior art; The advantage and the good effect of the utility model are: the utility model a kind of is used for inflammable gas and steam carry out explosive test under HTHP device, its can the simulated condition condition under and can test out the explosion limits of inflammable gas under this condition, and then boundary condition is provided for explained hereafter; Thereby avoid the generation of peril; Have simple in structurely, experiment is convenient, the advantage of reliable results.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is described further:
Fig. 1 is a kind of inflammable gas of the utility model and steam explosive proving installation structural representation under HTHP.
Among the figure, 1 is computer system, and 2 is the instantaneous pressure acquisition system, 3 constant temperature oil baths, and 4 portfires, 5 is steam generator, and 6 is air distributing device, and 7 is vacuum pump, and 8 are 20L blast ball.
Embodiment
Embodiment
As shown in Figure 1; A kind of inflammable gas and steam is explosive proving installation under HTHP; Comprise computer system 1 and steam generator 5, said computer system 1 is connected with gas distributing system 6, and said computer system 1 also is connected with 20L blast ball 8 through instantaneous pressure acquisition system 2; Said 20L blast ball 8 also respectively with portfire 4, vacuum pump 7, and constant temperature oil bath 3 is connected; Be connected through data line between said computer system 1 and gas distributing system 6 and the instantaneous pressure acquisition system 2; Computer system 1 is controlled the distribution composition through gas distributing system 6, and the data that instantaneous pressure acquisition system 2 collects are transferred to computer system 1 and handled, and draw explosion pressure curve and series of parameters; Connect with data line between said instantaneous pressure acquisition system 2 and the portfire 4.Instantaneous pressure acquisition system 2 is the duration of ignition of control ignition device 4 simultaneously; Said constant temperature oil bath 3 links to each other with 20L blast ball 8 chucks; Said digital pressure gauge is connected with the cavity of digital vacuum meter with 20L blast ball 8; Be connected with four-way between said steam generator 5, gas distributing system 6 and vacuum pump 7 and the 20L blast ball 8, come CS with valve between each branch road.
So in use, a kind of inflammable gas of the utility model and steam explosive proving installation under HTHP explodes 20L after ball 8 usefulness constant temperature oil baths 3 are heated to working temperature earlier, will install then and each pipeline is evacuated to vacuum; Again inflammable gas or steam are fed 20L blast ball 8 according to dividing potential drop, wherein inflammable gas is through gas distributing system 6 sample introductions, and combustible vapor is through steam generator 5 sample introductions; Air with air and nitrogen or certain nitrogen and oxygen blending ratio feeds 20L blast ball 8 through other pipeline of gas distributing system 6 respectively then, and it was fully mixed five minutes, opens portfire 6 then; Utilize instantaneous pressure acquisition system 2 to come control ignition again, the data that collect are handled through computer system 1, and sampled result is write down, analyzes, calculates, and whether raise 5% to judge under this concentration whether explode according to pressure; The tail gas of draining then cleans 20L blast ball 8, vacuumizes, and repeats above-mentioned steps; Draw the explosion limits of this material under working condition through repeatedly testing at last; Draw LOC (limiting oxygen concentration, the limit oxygen content) value of this material under this temperature, pressure condition through the explosion limits picture under the test different oxygen concentrations condition; Wherein the computing formula of explosion limits is: lower explosive limit is LEL=1/2 (L
1+ L
2), L
i=(L
Pi/ P) * 100%, and wherein, L
1For making the minimum sample size of flame propagation, L
2For not making the maximum sample size of flame propagation, L
PiBe the sample dividing potential drop, P is the preceding gas original pressure of blast, and unit is kPa; UEL is UEL=1/2 (U
1+ U
2), U
i=(U
Pi/ P) * 100%, and wherein, U
1For making the maximum sample size of flame propagation, U
2For not making the minimum sample size of flame propagation, U
PiBe the sample dividing potential drop, P is the preceding gas original pressure of blast, and unit is kPa; The working pressure of this device is 0～5MPa, and temperature range is a room temperature-200 ℃; The highest inversion frequency 40KHz of data collecting card, 12 of sampling precisions, precision is 0.2 ‰; This installs testable parameter and comprises: maximum explosion pressure, maximum explosion pressure climbing speed, explosion limits, and limit oxygen content (LOC); It has contained most working conditions; And the volume of its 20L canceller wall effect better comes simulated condition.
Obviously, the foregoing description of the utility model only be for explain clearly that the utility model does for example, and be not to be qualification to the embodiment of the utility model.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here can't give exhaustive to all embodiments.Conspicuous variation that every technical scheme that belongs to the utility model is amplified out or change still are in the row of the protection domain of the utility model.
Claims (5)
1. an inflammable gas and steam explosive proving installation under HTHP; Comprise computer system (1) and steam generator (5); Said computer system (1) is connected with gas distributing system (6); It is characterized in that: said computer system (1) also is connected through instantaneous pressure acquisition system (2) and 20L blast ball (8), said 20L blast ball (8) also respectively with portfire (4), vacuum pump (7), and constant temperature oil bath (3) is connected.
2. a kind of inflammable gas according to claim 1 and steam explosive proving installation under HTHP is characterized in that: be connected through data line between said computer system (1) and gas distributing system (6) and the instantaneous pressure acquisition system (2).
3. a kind of inflammable gas according to claim 1 and steam explosive proving installation under HTHP is characterized in that: connect with data line between said instantaneous pressure acquisition system (2) and the portfire (4).
4. a kind of inflammable gas according to claim 1 and steam explosive proving installation under HTHP is characterized in that: said constant temperature oil bath (3) links to each other with 20L blast ball (8) chuck.
5. a kind of inflammable gas according to claim 1 and steam explosive proving installation under HTHP; It is characterized in that: said steam generator (5), gas distributing system (6) and vacuum pump (7) explode with 20L and are connected with four-way between the ball (8), come CS with valve between each branch road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120399242 CN202614707U (en) | 2011-10-19 | 2011-10-19 | Device for explosiveness testing of combustible gas and steam at high temperature and high pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120399242 CN202614707U (en) | 2011-10-19 | 2011-10-19 | Device for explosiveness testing of combustible gas and steam at high temperature and high pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202614707U true CN202614707U (en) | 2012-12-19 |
Family
ID=47348396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120399242 Expired - Lifetime CN202614707U (en) | 2011-10-19 | 2011-10-19 | Device for explosiveness testing of combustible gas and steam at high temperature and high pressure |
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| CN (1) | CN202614707U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104280421A (en) * | 2014-10-20 | 2015-01-14 | 中国人民解放军总后勤部油料研究所 | Fuel explosive performance testing system and fuel explosive performance testing method |
| CN104407014A (en) * | 2014-12-08 | 2015-03-11 | 中国石油天然气集团公司 | Dust explosion limit test device and test method thereof |
| CN104655570A (en) * | 2015-02-03 | 2015-05-27 | 北京航星网讯技术股份有限公司 | Method for achieving passive laser detection on oil-gas mixed gases under various conditions |
| 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 |
| CN104931530A (en) * | 2015-05-27 | 2015-09-23 | 中国石油化工股份有限公司 | Test method of safe critical partial pressure of easily-decomposable gas |
| CN105092642A (en) * | 2015-08-13 | 2015-11-25 | 国家安全生产监督管理总局化学品登记中心 | Method for testing explosion limit of liquid mixture |
| CN105136854A (en) * | 2015-08-13 | 2015-12-09 | 国家安全生产监督管理总局化学品登记中心 | Liquid mixture explosion limit testing apparatus |
| CN107064452A (en) * | 2017-04-01 | 2017-08-18 | 公安部天津消防研究所 | It is a kind of to simulate experimental provision and the application method that fuel gas is instantaneously fired |
| CN107744731A (en) * | 2017-11-22 | 2018-03-02 | 安徽理工大学 | A kind of air distributing device that experiment is fired for fuel gas, liquid vapour and dust |
| 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 |
| 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 |
| 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 |
| CN114636731A (en) * | 2022-03-21 | 2022-06-17 | 中国安全生产科学研究院 | High-precision explosion limit tester capable of determining concentration of dissolved air in tested liquid |
-
2011
- 2011-10-19 CN CN 201120399242 patent/CN202614707U/en not_active Expired - Lifetime
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104280421A (en) * | 2014-10-20 | 2015-01-14 | 中国人民解放军总后勤部油料研究所 | Fuel explosive performance testing system and fuel explosive performance testing method |
| CN104407014A (en) * | 2014-12-08 | 2015-03-11 | 中国石油天然气集团公司 | Dust explosion limit test device and test method thereof |
| CN104655570A (en) * | 2015-02-03 | 2015-05-27 | 北京航星网讯技术股份有限公司 | Method for achieving passive laser detection on oil-gas mixed gases under various conditions |
| CN104655570B (en) * | 2015-02-03 | 2017-06-20 | 北京航星网讯技术股份有限公司 | The method that the passive laser acquisition of oil gas class mixed gas is realized under the conditions of various |
| 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 |
| CN104931530A (en) * | 2015-05-27 | 2015-09-23 | 中国石油化工股份有限公司 | Test method of safe critical partial pressure of easily-decomposable gas |
| CN105092642A (en) * | 2015-08-13 | 2015-11-25 | 国家安全生产监督管理总局化学品登记中心 | Method for testing explosion limit of liquid mixture |
| CN105136854A (en) * | 2015-08-13 | 2015-12-09 | 国家安全生产监督管理总局化学品登记中心 | Liquid mixture explosion limit testing apparatus |
| 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 |
| CN107064452A (en) * | 2017-04-01 | 2017-08-18 | 公安部天津消防研究所 | It is a kind of to simulate experimental provision and the application method that fuel gas is instantaneously fired |
| CN107064452B (en) * | 2017-04-01 | 2023-08-01 | 应急管理部天津消防研究所 | Experimental device for simulating instantaneous burning and explosion of combustible gas and application method |
| CN107744731A (en) * | 2017-11-22 | 2018-03-02 | 安徽理工大学 | A kind of air distributing device that experiment is fired for fuel gas, liquid vapour and dust |
| 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 |
| 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 |
| 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 |
| CN114636731A (en) * | 2022-03-21 | 2022-06-17 | 中国安全生产科学研究院 | High-precision explosion limit tester capable of determining concentration of dissolved air in tested liquid |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121219 |