CN204255940U - A kind of Fuel explosion Performance Measurement System - Google Patents
A kind of Fuel explosion Performance Measurement System Download PDFInfo
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- CN204255940U CN204255940U CN201420606627.7U CN201420606627U CN204255940U CN 204255940 U CN204255940 U CN 204255940U CN 201420606627 U CN201420606627 U CN 201420606627U CN 204255940 U CN204255940 U CN 204255940U
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Abstract
The utility model discloses a kind of Fuel explosion Performance Measurement System, comprise computing machine, master control system (1) and the pressure-air feeding mechanism be connected with described master control system (1), dust sample introduction storehouse (15), storehouse (2) of exploding, portfire (4) and vacuum extractor (5); Described blast storehouse (2) inwall is fixed with information collecting device (3); Spark electrode is housed, described spark electrode top is connected with described portfire (4) described blast storehouse (2) top side detachable; Described dust sample introduction storehouse (15) is connected with described master control system (1), and described dust sample introduction storehouse (15) is connected with described blast storehouse (2); Described blast storehouse (2) is connected with described vacuum extractor (5); Described computing machine is connected with described information collecting device (3).Fuel explosion Performance Measurement System described in the utility model can characterize to the real time measure several data index system the explosion property of fuel.
Description
Technical field
The utility model relates to a kind of explosion property Analytical system, is specifically related to a kind of Fuel explosion Performance Measurement System.
Background technology
In actual life, the blast of fuel causes huge personal injury and economic loss to the mankind, in new type of safe fuel development process, how the explosion property of evaluate safety fuel becomes the problem that first will solve, and has not yet to see both at home and abroad and can meet this Patents required and report.Patent CN 01211807.9 " high-temp. combustible vapor explosivity determining device " is used for measuring the parameter such as explosion limits, ignition temperature of combustible vapor, but saturated vapor can not shed the aerosol state of formation by oil product after the explosion of Reality simulation situation lower fuel tank.At " gas explosion limit and stopping fire demonstration proving installation " (CN89217624.5), " mixed gas explosion tester " (CN99220204.3), " experiment instrument for combustible gas burst " (CN200520052228.1), " multifunctional gas explosion experimental provision " (CN200620071907.8) and " inflammable gas, dust explosion, propagate and datonation-inhibition characteristic test device " measuring object of method described in the patent such as (CN200920033498.6) is Small molecular inflammable gas, its explosion property and particle size are that micron-sized liquid fuel droplets explosion property has a great difference.In addition, according to International Association for Testing Materials (IATM) standard A STME 1226 " standard test method of combustible dust pressure and pressure increase rate ", in the British royal Standards Institution standard BS 6713 part 1 assay method of combustible dust explosion index " in the air " and ISO (International Standards Organization) ISO 6184-1 part 1 " in air combustible dust explosion index method of testing ", 20 liters of blast balls are generally used for measuring the explosion index of combustible dust, have no the report measuring inflammable gas or liquid fuel aerosol explosion performance with it both at home and abroad.
Utility model content
The technical problems to be solved in the utility model is to provide one and gas can be mixed with arbitrary proportion, and the real time measure many kinds of parameters systematically characterizes the Fuel explosion Performance Measurement System of Fuel explosion performance.
A kind of Fuel explosion Performance Measurement System, comprises computing machine, master control system and the pressure-air feeding mechanism be connected with described master control system, dust sample introduction storehouse, explodes storehouse, portfire and vacuum extractor; Described blast storehouse inwall is fixed with information collecting device; Spark electrode is housed, described spark electrode top is connected with described portfire described blast storehouse top side detachable; Described dust sample introduction storehouse is connected with described master control system by dust sample introduction high pressure dry air pipeline, and described dust sample introduction storehouse is connected with described blast storehouse by pipeline; Described blast storehouse is connected with described vacuum extractor; Described computing machine is connected with described information collecting device.
Fuel explosion Performance Measurement System described in the utility model, wherein, described Fuel explosion Performance Measurement System also comprises thermostat, outside, described blast storehouse is provided with blast storehouse water bath with thermostatic control chuck, and described thermostat is connected with described blast storehouse water bath with thermostatic control chuck with blast storehouse water bath with thermostatic control chuck rising pipe by blast storehouse water bath with thermostatic control chuck water inlet pipe; Described spark electrode comprises a positive electrode and a negative electrode, described spark electrode top is connected with the both positive and negative polarity of portfire, the both positive and negative polarity of described spark electrode is helicitic texture in one end of inside, described blast storehouse, and the helicitic texture wire of described spark electrode positive and negative electrode is connected; Described portfire is chemic ignition device or electric ignition device; The mode that described information collecting device is connected with computing machine is wireless connections or wired connection.
Fuel explosion Performance Measurement System described in the utility model, wherein, described blast bulkhead is provided with visual window, and rupture disk is equipped with in pressure release place, and rupture disk can realize safety relief; Described blast storehouse is spherical, and volume is 20L.
Fuel explosion Performance Measurement System described in the utility model, wherein, described Fuel explosion Performance Measurement System comprises microcomputer and controls variable particle diameter atomization system; Described microcomputer controls variable particle diameter atomization system and is provided with fuel gas inlets, described microcomputer is controlled variable particle diameter atomization system and is connected with blast storehouse by gas sampling pipeline, described microcomputer is controlled variable particle diameter atomization system and is connected with described master control system by gas sampling high pressure dry air pipeline, and described information collecting device is high speed information harvester.
Fuel explosion Performance Measurement System described in the utility model, wherein, described Fuel explosion Performance Measurement System also comprises liquid fuel feeding mechanism, and described liquid fuel sampling device controls to be connected bottom variable particle diameter atomization system by pipeline and described microcomputer; Described liquid fuel feeding mechanism outside is provided with liquid fuel water bath with thermostatic control chuck, and described liquid fuel water bath with thermostatic control chuck is connected with described thermostat with liquid fuel water bath with thermostatic control chuck outlet conduit by liquid fuel water bath with thermostatic control chuck inlet channel.
Information collecting device described in the utility model is high speed information harvester, and its picking rate is greater than 1000 times/second.
The utility model Fuel explosion Performance Measurement System, wherein, Fuel explosion Performance Measurement System comprises microcomputer and controls variable particle diameter atomization system; Microcomputer controls variable particle diameter atomization system and is provided with fuel gas inlets, microcomputer is controlled variable particle diameter atomization system and is connected with blast storehouse by gas sampling pipeline, and microcomputer is controlled variable particle diameter atomization system and is connected with master control system by gas sampling high pressure dry air pipeline.
The utility model Fuel explosion Performance Measurement System, wherein, Fuel explosion Performance Measurement System also comprises liquid fuel feeding mechanism, and liquid fuel sampling device controls to be connected bottom variable particle diameter atomization system by pipeline and microcomputer; Liquid fuel feeding mechanism outside is provided with liquid fuel water bath with thermostatic control chuck, and liquid fuel water bath with thermostatic control chuck is connected with thermostat with liquid fuel water bath with thermostatic control chuck outlet conduit by liquid fuel water bath with thermostatic control chuck inlet channel.
The difference of the utility model Fuel explosion Performance Measurement System and prior art is:
The utility model Fuel explosion Performance Measurement System has been pre-installed gas sample injection device, liquid sampling device and powder sampling device three and has been overlapped sampling device, can take into account the physics and chemistry situation unrestricted choice of various sample, to obtain data of better exploding; Ignition condition can be adjusted flexibly by adjustment portfire; Variable particle diameter materialization system can analog fuel spray burning situation in varied situations.
The utility model Fuel explosion Performance Measurement System whole system adopts integrated design, adopts master control system to carry out Automatic Control, after setting test parameters, wholely to vacuumize, sample introduction, igniting, data acquisition and processing procedure all can complete automatically, can shorten the test period significantly.
The data acquisition of the utility model Fuel explosion Performance Measurement System adopts high-precision pressure sensor and temperature sensor, automatic constant temperature system is coated sample introduction storehouse and blast storehouse, can the consistance of warranty test condition; And device is adopted and computerizedd control, whole process of the test can complete automatically, without the need to human interaction, avoids artificial interference from root, makes test have more repeatability; The danger that can also effectively avoid human operational error to bring, simultaneously Long-range Data Transmission system can personnel and equipment blocking in warranty test process, has ensured personal security.
Fuel vapo(u)r, water vapour and air can be completed generation and the automatic mixing of arbitrary proportion mixed system by the utility model Fuel explosion Performance Measurement System, breach the restriction of traditional liquid fuel saturated vapour pressure, the mixed gas automatic mixing process of computer controlled automatic, has ensured speed and precision.
The synchronous high-speed harvester that the utility model Fuel explosion Performance Measurement System information collecting device adopts, can monitor blast process delta data in real time.
The utility model Fuel explosion Performance Measurement System can measure several data index, draws temperature, pressure history, and temperature, pressure climbing speed curve, systematically characterizes the explosion property of liquid fuel.
Be described further below in conjunction with the assay method of accompanying drawing to a kind of Fuel explosion Performance Measurement System of the utility model and Fuel explosion performance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model Fuel explosion Performance Measurement System.
Embodiment
Embodiment 1
As shown in Figure 1, a kind of Fuel explosion Performance Measurement System of the utility model, comprises computing machine, master control system 1 and the pressure-air feeding mechanism be connected with master control system 1, dust sample introduction storehouse 15, storehouse 2 of exploding, portfire 4 and vacuum extractor 5; Blast storehouse 2 inwall is fixed with information collecting device 3; Spark electrode is housed, spark electrode top is connected with portfire 4 blast storehouse 2 top side detachable; Dust sample introduction storehouse 15 is connected with master control system 1 by dust sample introduction high pressure dry air pipeline 14, and dust sample introduction storehouse 15 is connected with blast storehouse 2 by pipeline; Blast storehouse 2 is connected with vacuum extractor 5; Computing machine is connected with information collecting device 3.
Above scheme can complete the mensuration of Fuel explosion performance, provides preferred version on this basis below:
As shown in Figure 1, Fuel explosion Performance Measurement System also comprises thermostat 6, blast outside, storehouse 2 is provided with blast storehouse water bath with thermostatic control chuck, and thermostat 6 is connected with blast storehouse water bath with thermostatic control chuck with blast storehouse water bath with thermostatic control chuck rising pipe 9 by blast storehouse water bath with thermostatic control chuck water inlet pipe 8; Spark electrode comprises a positive electrode and a negative electrode, spark electrode top is connected with the both positive and negative polarity of portfire 4, the both positive and negative polarity of spark electrode is helicitic texture in one end of blast inside, storehouse 2, and the helicitic texture wire of spark electrode positive and negative electrode is connected; Portfire 4 is chemic ignition device or electric ignition device; The mode that information collecting device 3 is connected with computing machine is wireless connections or wired connection.
In the utility model Fuel explosion Performance Measurement System, blast bulkhead 2 is provided with visual window, and blast storehouse 2 is spherical, and volume is 20L; Fuel explosion Performance Measurement System comprises microcomputer and controls variable particle diameter atomization system 11; Microcomputer controls variable particle diameter atomization system 11 and is provided with fuel gas inlets 12, microcomputer is controlled variable particle diameter atomization system 11 and is connected with blast storehouse 2 by gas sampling pipeline 13, microcomputer is controlled variable particle diameter atomization system 11 and is connected with master control system 1 by gas sampling high pressure dry air pipeline 7, and information collecting device 3 is high speed information harvester; Fuel explosion Performance Measurement System also comprises liquid fuel feeding mechanism 10, and liquid fuel sampling device 10 controls to be connected bottom variable particle diameter atomization system 11 by pipeline and microcomputer; Liquid fuel feeding mechanism 10 outside is provided with liquid fuel water bath with thermostatic control chuck, and liquid fuel water bath with thermostatic control chuck is connected with thermostat 6 with liquid fuel water bath with thermostatic control chuck outlet conduit by liquid fuel water bath with thermostatic control chuck inlet channel.
Adopt the utility model Fuel explosion Performance Measurement System to carry out a method for Fuel explosion performance measurement, comprise the steps:
A, cleaning blast storehouse 2 inwall and spark electrode; Blast storehouse 2 sealing is fixed, inserts spark electrode; Open thermostat 6, make blast storehouse 2 and liquid fuel feeding mechanism 10 constant temperature under 60 DEG C of conditions, open liquid fuel feeding mechanism 10,50ml light diesel fuel is injected microcomputer and controls variable particle diameter atomization system 11, sealing is built; Master control system 1 controls to microcomputer the air that variable particle diameter atomization system 11 inputs constant pressure by gas sampling high pressure dry air pipeline 7, and constant pressure is greater than microcomputer and controls variable particle diameter atomization system 11 internal pressure; Run liquid fuel explosion property test macro, master control system parameter is set, master control system optimum configurations is as follows: it is 1.717Mpa that microcomputer controls variable particle diameter atomization system 11 internal pressure, blast storehouse 2 internal vacuum is 90, and ignition delay time is 50ms, and ignition duration is 100ms, it is 0ms that temperature and pressure gathers the start time, namely injection beginning gathers instantaneously, and the collection duration is 3000ms, and acquisition time is spaced apart 1ms;
B, mensuration: by master control system 1 Control release, open vacuum extractor 5 and vacuumized in blast storehouse 2, open gas sampling pipeline 13; The microcomputer pressure-air carrying of liquids fuel controlled in variable particle diameter atomization system 11 enters blast storehouse 2; Chemic ignition device 4 is started after sample introduction 300ms; Gather pressure data in blast storehouse 2 by information collecting device 3, ignite after-explosion product temperatur, temperature, pressure data are obtained this Fuel explosion maximum pressure after being transferred to and computing machine carrying out data processing is 0.6423Mpa simultaneously, explosion product maximum temperature is 150.67 DEG C, and top pressure climbing speed is 120Mpa/s;
The present embodiment adopts n-dodecane to be that standard substance and light diesel fuel are tested under the same conditions, obtaining standard substance blast maximum pressure is 0.5378Mpa, explosion product maximum temperature is 147.55 DEG C, top pressure climbing speed is 109Mpa/s, illustrates that the explosion property of light diesel fuel is better than n-dodecane thus.
Above-described embodiment is only be described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection domain that the utility model claims determine.
Claims (5)
1. a Fuel explosion Performance Measurement System, it is characterized in that, comprise computing machine, master control system (1) and the pressure-air feeding mechanism be connected with described master control system (1), dust sample introduction storehouse (15), storehouse (2) of exploding, portfire (4) and vacuum extractor (5); Described blast storehouse (2) inwall is fixed with information collecting device (3); Spark electrode is housed, described spark electrode top is connected with described portfire (4) described blast storehouse (2) top side detachable; Described dust sample introduction storehouse (15) is connected with described master control system (1) by dust sample introduction high pressure dry air pipeline (14), and described dust sample introduction storehouse (15) is connected with described blast storehouse (2) by pipeline; Described blast storehouse (2) is connected with described vacuum extractor (5); Described computing machine is connected with described information collecting device (3).
2. Fuel explosion Performance Measurement System according to claim 1, it is characterized in that, described Fuel explosion Performance Measurement System also comprises thermostat (6), described blast storehouse (2) outside is provided with blast storehouse water bath with thermostatic control chuck, and described thermostat (6) is connected with described blast storehouse water bath with thermostatic control chuck with blast storehouse water bath with thermostatic control chuck rising pipe (9) by blast storehouse water bath with thermostatic control chuck water inlet pipe (8); Described spark electrode comprises a positive electrode and a negative electrode, described spark electrode top is connected with the both positive and negative polarity of portfire (4), the both positive and negative polarity of described spark electrode is helicitic texture in one end that described blast storehouse (2) is inner, and the helicitic texture wire of described spark electrode positive and negative electrode is connected; Described portfire (4) is chemic ignition device or electric ignition device; The mode that described information collecting device (3) is connected with computing machine is wireless connections or wired connection.
3. Fuel explosion Performance Measurement System according to claim 2, it is characterized in that, described blast bulkhead (2) is provided with visual window, and described blast storehouse (2) is for spherical, and volume is 20L.
4. Fuel explosion Performance Measurement System according to claim 3, it is characterized in that, described Fuel explosion Performance Measurement System comprises microcomputer and controls variable particle diameter atomization system (11); Described microcomputer controls variable particle diameter atomization system (11) and is provided with fuel gas inlets (12), described microcomputer is controlled variable particle diameter atomization system (11) and is connected with blast storehouse (2) by gas sampling pipeline (13), described microcomputer is controlled variable particle diameter atomization system (11) and is connected with described master control system (1) by gas sampling high pressure dry air pipeline (7), and described information collecting device (3) is high speed information harvester.
5. Fuel explosion Performance Measurement System according to claim 4, it is characterized in that, described Fuel explosion Performance Measurement System also comprises liquid fuel feeding mechanism (10), and described liquid fuel sampling device (10) controls variable particle diameter atomization system (11) bottom by pipeline and described microcomputer and is connected; Described liquid fuel feeding mechanism (10) outside is provided with liquid fuel water bath with thermostatic control chuck, and described liquid fuel water bath with thermostatic control chuck is connected with described thermostat (6) with liquid fuel water bath with thermostatic control chuck outlet conduit by liquid fuel water bath with thermostatic control chuck inlet channel.
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| CN201420606627.7U CN204255940U (en) | 2014-10-20 | 2014-10-20 | A kind of Fuel explosion Performance Measurement System |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108008108A (en) * | 2017-11-03 | 2018-05-08 | 上海化工研究院有限公司 | Gas or dust combustion and explosion property test device are carried out using super capacitor |
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2014
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108008108A (en) * | 2017-11-03 | 2018-05-08 | 上海化工研究院有限公司 | Gas or dust combustion and explosion property test device are carried out using super capacitor |
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