CN105070167B - A kind of dust explosion experimental provision and experimental method - Google Patents
A kind of dust explosion experimental provision and experimental method Download PDFInfo
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- CN105070167B CN105070167B CN201510480432.1A CN201510480432A CN105070167B CN 105070167 B CN105070167 B CN 105070167B CN 201510480432 A CN201510480432 A CN 201510480432A CN 105070167 B CN105070167 B CN 105070167B
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- quartz ampoule
- dust
- delivery tube
- tube road
- powder transfer
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Abstract
The invention discloses a kind of dust explosion experimental provision, including test and be arranged on the quartz ampoule above experimental bench；Hydrogen delivery tube road and powder transfer pipelines are provided with the middle part of described experimental bench, described hydrogen delivery tube road and powder transfer pipelines run through described quartz ampoule bottom, and described hydrogen delivery tube road and powder transfer pipelines output end are located in described quartz ampoule central cavity, valve F1 and valve F2 are respectively arranged with away from described quartz ampoule one end in described hydrogen delivery tube road and powder transfer pipelines, electromagnetism initiator is provided with described quartz ampoule；Described quartz ampoule upper center is provided with increased pressure board, described increased pressure board makes to be partitioned into reaction warehouse and pressurization storehouse in the quartz ampoule, described hydrogen delivery tube road and powder transfer pipelines output end is respectively positioned in described reaction warehouse, the test experience to dust limting concentration can be realized, the maximum dust concentration value that can be born in certain space is determined by experiment.
Description
Technical field
The present invention relates to a kind of dust explosion experimental provision and experimental method.
Background technology
Dust explosion, refers to dust in the range of explosion limit, runs into thermal source（Naked light or temperature）, flame moment propagated in whole
Individual mixed dust space, chemical reaction velocity is exceedingly fast, while discharging substantial amounts of heat, forms very high temperature and very big pressure,
The energy of system is converted into the radiation of mechanical work and light and heat, with very strong destructive power.
In chemical process, the metal such as aluminium, zinc of generation, when running into hydrogen, in the case of reaching finite concentration, easily
Explode, existing workshop avoids the effect of blast by being realized for a long time using ventilation equipment, it is impossible to which progress is divided into pole
Limit Concentration Testing.Existing experiment detection device, is generally only capable of carrying out by constantly increasing Dust Capacity into experiment container
Experiment, also, occurring explosion time, it is easy to cause experiment container Decrepitation Phenomena.
The content of the invention
It is an object of the invention to provide a kind of dust explosion experimental provision and experimental method, it can realize to the dust limit
The test experience of concentration, is determined by experiment the maximum dust concentration value that can be born in certain space.
The present invention is achieved through the following technical solutions：
A kind of dust explosion experimental provision, including test and be arranged on the quartz ampoule above experimental bench；
Hydrogen delivery tube road and powder transfer pipelines, described hydrogen delivery tube road are provided with the middle part of described experimental bench
Run through described quartz ampoule bottom, and described hydrogen delivery tube road and powder transfer pipelines output end position with powder transfer pipelines
In in described quartz ampoule central cavity, in described hydrogen delivery tube road and powder transfer pipelines away from described quartz ampoule one end
Valve F1 and valve F2 are respectively arranged with, electromagnetism initiator is provided with described quartz ampoule；
Described quartz ampoule upper center is provided with increased pressure board, described increased pressure board makes to be partitioned into the quartz ampoule
Reaction warehouse and pressurization storehouse, described hydrogen delivery tube road and powder transfer pipelines output end are respectively positioned in described reaction warehouse, institute
The increased pressure board stated is connected by the connecting rod through quartz ampoule upper end with bearing plate, and described bearing plate is located at described quartz
Above pipe；
Annular mount is provided with described experimental bench, described annular mount lower end is fixed by pre-embedded bolt
It is connected on described experimental bench, limiting section, described quartz ampoule bottom suit is provided with the middle part of described annular mount
In the middle part of described limiting section, positioning boss is provided with described quartz ampoule side wall, described positioning boss is located at described
Limiting section above, described positioning boss lower surface and the limiting section support are provided with rubber ring, in described positioning
Rubber ring is set with outer wall of boss.
Further, for the present invention is better achieved, described bearing plate bottom is provided with hydraulic cylinder, described hydraulic pressure
The expansion link of cylinder is through described bearing plate and is bolted to connection on described bearing plate, and the hydraulic cylinder lower end is consolidated
Surely it is connected on described quartz ampoule.
Further, for the present invention is better achieved, circulation pipe is provided with described quartz ampoule side wall, described follows
Endless tube is axially arranged along described quartz ampoule, and described circulation pipe upper and lower ends are connected with described reaction warehouse, described
Circulation pipe on be provided with circulating pump.
Further, for the present invention is better achieved, dust concentration detector is provided with described reaction warehouse.
A kind of experimental method, comprises the following steps：
S1：Mounting and fixing support, the mounting and fixing support on experimental bench, and make fixed mount pre-buried on experimental bench by being arranged on
It is bolted on experimental bench, is set with rubber ring on the positioning boss bottom and its outer wall on quartz ampoule, quartz ampoule is installed
In the middle part of fixed mount, hydrogen delivery tube road and powder transfer pipelines are made to run through quartz ampoule bottom；
S2：Start valve F1 and valve F2, hydrogen and dust are passed through into quartz ampoule, startup is arranged on the wall of quartz ampoule side
Circulation pipe, make pump operating cycle, hydrogen in quartz ampoule and dust is accelerated mixing；
S3：Dust concentration is detected by dust concentration detector in real time, starts the hydraulic cylinder for being arranged on quartz ampoule top, makes
Hydraulic cylinder drives bearing plate to push the increased pressure board being arranged on below bearing plate, and increased pressure board is moved downward, and reduces reaction warehouse volume,
Start electromagnetism initiator, to quartz ampoule in dust explosion, in real time record dust concentration value.
The present invention compared with prior art, has the advantages that：
（1）Quartz ampoule is fixed on fixed mount by the present invention by using positioning boss and rubber ring, can avoid blast
Destructive power makes quartz ampoule occur sharp impacts with fixed mount caused by moment, it is to avoid quartzy pipe explosion；
（2）The present invention is by using increased pressure board, in the case of quantitative dust, can be by carrying out pressurization behaviour in quartz ampoule
Make, can conveniently control experimental implementation in the case of quantitative dust, convenient record；
(3) present invention can facilitate the real time reaction phenomenon in observing response storehouse, conveniently test by using quartz ampoule
Record.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be attached to what is used required in embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore is not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is overall structure diagram of the present invention；
Fig. 2 is internal structure schematic diagram of the present invention.
Wherein：101. experimental bench, 102. quartz ampoules, 103. fixed mounts, 104. pre-embedded bolts, 105. limiting sections, 106. determine
Position boss, 107. rubber rings, 108. hydrogen delivery tube roads, 109. powder transfer pipelines, 110. increased pressure boards, 111. reaction warehouses,
112. pressurize storehouse, 113. connecting rods, 114. bearing plates, 115. hydraulic cylinders, 116. circulation pipes, 117. circulating pumps.
Embodiment
The present invention is described in further detail with reference to specific embodiment, but embodiments of the present invention are not limited to
This.
Embodiment 1：
As shown in Figure 1, 2, a kind of dust explosion experimental provision, including experimental bench 101 and it is arranged on the top of experimental bench 101
Quartz ampoule 102；
The described middle part of experimental bench 101 is provided with hydrogen delivery tube road 108 and powder transfer pipelines 109, described hydrogen
Letter shoot road 108 and powder transfer pipelines 109 run through the described bottom of quartz ampoule 102, and described hydrogen delivery tube road 108
It is located at the output end of powder transfer pipelines 109 in the described central cavity of quartz ampoule 102, in described hydrogen delivery tube road 108
Valve F1 and valve F2 are respectively arranged with away from described one end of quartz ampoule 102 with powder transfer pipelines 109, in described quartz ampoule
Electromagnetism initiator is provided with 102；
The described upper center of quartz ampoule 102 is provided with increased pressure board 110, described increased pressure board 110 makes the quartz ampoule
Reaction warehouse 111 and pressurization storehouse 112 are partitioned into 102, described hydrogen delivery tube road 108 and powder transfer pipelines 109 is exported
End is respectively positioned in described reaction warehouse 111, and described increased pressure board 110 is by the connecting rod 113 through the upper end of quartz ampoule 102 with holding
Pressing plate 114 is connected, and described bearing plate 114 is located at the described top of quartz ampoule 102；
Annular mount 103 is provided with described experimental bench 101, the described lower end of annular mount 103 passes through pre-
Bury bolt 104 to be fixedly connected on described experimental bench 101, the described middle part of annular mount 103 is provided with limiting section
105, the described bottom of quartz ampoule 102 is sleeved on the described middle part of limiting section 105, is set on the described side wall of quartz ampoule 102
There is positioning boss 106, described positioning boss 106 is located at the described top of limiting section 105, under described positioning boss 106
End face is provided with rubber ring 107 with the support of limiting section 105, and rubber ring is set with the described outer wall of positioning boss 106
107。
Adjust for convenience in the volume of reaction warehouse 111, the present embodiment, it is preferable that set in the described bottom of bearing plate 114
Have a hydraulic cylinder 115, described hydraulic cylinder 115 expansion link is through described bearing plate 114 and is bolted to connection in institute
On the bearing plate 114 stated, the lower end of hydraulic cylinder 115 is fixedly connected on described quartz ampoule 102.Hydraulic cylinder can be passed through
115 drive bearing plates 114 move up and down, and then push increased pressure board 110, the volume of reaction warehouse 111 is increased or is reduced.
In order to accelerate in the mixing of dust and hydrogen in reaction warehouse 111, the present embodiment, it is preferable that in described quartz ampoule
It is provided with circulation pipe 116 on 102 side walls, described circulation pipe 116 is along axially arranged, the described circulation of described quartz ampoule 102
The upper and lower ends of pipe 116 are connected with described reaction warehouse 111, and circulating pump 117 is provided with described circulation pipe 116.
In order to detect in real time in the convenient record of dust concentration, the present embodiment, dust is provided with described reaction warehouse 111
Concentration detector.
Embodiment 2：
A kind of experimental method, comprises the following steps：
S1：Mounting and fixing support 103, the mounting and fixing support 103 on experimental bench 101, and make fixed mount 103 by being arranged on reality
Test the pre-embedded bolt on platform 101 to be fixed on experimental bench 101, on the bottom of positioning boss 106 and its outer wall on quartz ampoule 102
Rubber ring 107 is set with, quartz ampoule 102 is arranged on the middle part of fixed mount 103, makes hydrogen delivery tube road 108 and powder transfer pipelines
109 run through the bottom of quartz ampoule 102；
S2：Start valve F1 and valve F2, hydrogen and dust are passed through into quartz ampoule 102, startup is arranged on quartz ampoule 102
Circulation pipe 116 on the wall of side, runs circulating pump 117, hydrogen and dust in quartz ampoule 102 is accelerated mixing；
S3：Dust concentration is detected by dust concentration detector in real time, starts the hydraulic cylinder for being arranged on the top of quartz ampoule 102
115, make hydraulic cylinder 115 drive bearing plate 114 to push the increased pressure board 110 for being arranged on the lower section of bearing plate 114, increased pressure board 110 is downward
Motion, make the volume of reaction warehouse 111 reduce, start electromagnetism initiator, to quartz ampoule 102 in dust explosion, in real time record dust it is dense
Angle value.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (5)
1. a kind of dust explosion experimental provision, it is characterised in that：Including experimental bench（101）And it is arranged on experimental bench（101）Top
Quartz ampoule（102）；
In described experimental bench（101）Middle part is provided with hydrogen delivery tube road（108）And powder transfer pipelines（109）, it is described
Hydrogen delivery tube road（108）And powder transfer pipelines（109）Through described quartz ampoule（102）Bottom, and described hydrogen is defeated
Send pipeline（108）And powder transfer pipelines（109）Output end is located at described quartz ampoule（102）In central cavity, described
Hydrogen delivery tube road（108）And powder transfer pipelines（109）Away from the quartz ampoule（102）One end be respectively arranged with valve F1 and
Valve F2, in described quartz ampoule（102）Inside it is provided with electromagnetism initiator；
In described quartz ampoule（102）Upper center is provided with increased pressure board（110）, described increased pressure board（110）Make the quartz
Pipe（102）Inside it is partitioned into reaction warehouse（111）With pressurization storehouse（112）, described hydrogen delivery tube road（108）With dust delivery pipe
Road（109）Output end is respectively positioned on described reaction warehouse（111）Interior, described increased pressure board（110）By through quartz ampoule（102）On
The connecting rod of end（113）With bearing plate（114）It is connected, described bearing plate（114）Positioned at described quartz ampoule（102）On
Side；
In described experimental bench（101）On be provided with annular mount（103）, described annular mount（103）Lower end passes through
Pre-embedded bolt（104）It is fixedly connected on described experimental bench（101）On, in described annular mount（103）Middle part is provided with
Limiting section（105）, described quartz ampoule（102）Bottom is sleeved on described limiting section（105）Middle part, in described quartz ampoule
（102）Positioning boss is provided with the wall of side（106）, described positioning boss（106）Positioned at described limiting section（105）Top,
In described positioning boss（106）Lower surface and the limiting section（105）Support is provided with rubber ring（107）, determine in described
Position boss（106）Rubber ring is set with outer wall（107）.
2. a kind of dust explosion experimental provision according to claim 1, it is characterised in that：In described bearing plate（114）
Bottom is provided with hydraulic cylinder（115）, described hydraulic cylinder（115）Expansion link run through described bearing plate（114）And pass through spiral shell
Bolt is fixedly connected on described bearing plate（114）On, the hydraulic cylinder（115）Lower end is fixedly connected on described quartz ampoule
（102）On.
3. a kind of dust explosion experimental provision according to claim 1 or 2, it is characterised in that：In described quartz ampoule
（102）Circulation pipe is provided with the wall of side（116）, described circulation pipe（116）Along described quartz ampoule（102）It is axially arranged, institute
The circulation pipe stated（116）Upper and lower ends with described reaction warehouse（111）It is connected, in described circulation pipe（116）It is upper to set
There is circulating pump（117）.
4. a kind of dust explosion experimental provision according to claim 1 or 2, it is characterised in that：In described reaction warehouse
（111）Inside it is provided with dust concentration detector.
5. a kind of experimental method, it is characterised in that：Comprise the following steps：
S1：Mounting and fixing support（103）, in experimental bench（101）Upper mounting and fixing support（103）, and make fixed mount（103）By setting
In experimental bench（101）On pre-embedded bolt be fixed on experimental bench（101）On, in quartz ampoule（102）On positioning boss（106）Under
Rubber ring is set with portion and its outer wall（107）, by quartz ampoule（102）Installed in fixed mount（103）Middle part, makes hydrogen delivery tube road
（108）And powder transfer pipelines（109）Through quartz ampoule（102）Bottom；
S2：Start valve F1 and valve F2, to quartz ampoule（102）Hydrogen and dust are inside passed through, startup is arranged on quartz ampoule（102）
Circulation pipe on the wall of side（116）, make circulating pump（117）Operation, makes quartz ampoule（102）Interior hydrogen and dust accelerate mixing；
S3：Dust concentration is detected by dust concentration detector in real time, startup is arranged on quartz ampoule（102）The hydraulic cylinder on top
（115）, make hydraulic cylinder（115）Drive bearing plate（114）Push and be arranged on bearing plate（114）The increased pressure board of lower section（110）, pressurization
Plate（110）Move downward, make reaction warehouse（111）Volume reduces, and starts electromagnetism initiator, to quartz ampoule（102）Interior dust explosion,
Dust concentration value is recorded in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510480432.1A CN105070167B (en) | 2015-08-08 | 2015-08-08 | A kind of dust explosion experimental provision and experimental method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510480432.1A CN105070167B (en) | 2015-08-08 | 2015-08-08 | A kind of dust explosion experimental provision and experimental method |
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| Publication Number | Publication Date |
|---|---|
| CN105070167A CN105070167A (en) | 2015-11-18 |
| CN105070167B true CN105070167B (en) | 2017-09-12 |
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| CN201510480432.1A Expired - Fee Related CN105070167B (en) | 2015-08-08 | 2015-08-08 | A kind of dust explosion experimental provision and experimental method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107038934B (en) * | 2017-05-18 | 2019-03-22 | 冯金生 | A kind of full-automatic dust explosion demonstrator |
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| CN201226001Y (en) * | 2008-06-12 | 2009-04-22 | 凌受仁 | Experimental instrument for dust explosion |
| CN101726573A (en) * | 2009-11-30 | 2010-06-09 | 浙江工业大学 | Combustible gas explosion experiment system |
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| JP2014098746A (en) * | 2012-11-13 | 2014-05-29 | Chubu Plant Service Co Ltd | Explosion generation device |
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| WO2012122324A1 (en) * | 2011-03-10 | 2012-09-13 | Ericson Manufacturing Company | Electrical enclosure |
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| CN201226001Y (en) * | 2008-06-12 | 2009-04-22 | 凌受仁 | Experimental instrument for dust explosion |
| CN101726573A (en) * | 2009-11-30 | 2010-06-09 | 浙江工业大学 | Combustible gas explosion experiment system |
| JP2011197499A (en) * | 2010-03-23 | 2011-10-06 | Sumitomo Chemical Co Ltd | Dust explosion experience experimental device and dust explosion experience experimental method |
| CN202601060U (en) * | 2012-04-26 | 2012-12-12 | 王译堃 | Dust explosion principle demonstrator |
| CN102930770A (en) * | 2012-10-12 | 2013-02-13 | 浙江工业大学 | Shock tube type combustible gas explosion experiment device |
| JP2014098746A (en) * | 2012-11-13 | 2014-05-29 | Chubu Plant Service Co Ltd | Explosion generation device |
| CN203366620U (en) * | 2013-04-15 | 2013-12-25 | 成都科创佳思科技有限公司 | Explosion experiment apparatus for dust burning |
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Inventor after: Li Yuanqi Inventor after: Jia Hongliang Inventor before: Jia Hongliang |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20170912 Termination date: 20190808 |