CN103792318B - A kind of thermoplastic fire spread behavioral experiment proving installation - Google Patents
A kind of thermoplastic fire spread behavioral experiment proving installation Download PDFInfo
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- CN103792318B CN103792318B CN201310166620.8A CN201310166620A CN103792318B CN 103792318 B CN103792318 B CN 103792318B CN 201310166620 A CN201310166620 A CN 201310166620A CN 103792318 B CN103792318 B CN 103792318B
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Abstract
The invention discloses a kind of experiment test device of thermoplastic Spread Characteristics, feature arranges melt liquid cure system in sample bottom, the melt liquid of thermoplasticity sample drippage can be cooled in test in real time, the pond fire and the decoupling zero of sample fire spread phenomenon that are formed by melt liquid, be conducive to solid surface fire spread phenomenon and pond, bottom fire coupling mechanism in further investigation thermoplastic spread process; Can the number of plies, arrangement as required, arbitrarily arrange sample, the sample number of plies, thickness, structure, surface appearance all can be regulated according to test needs without restriction, and the more existing experimental provision of testable sample is more various, and device uses more flexible.Apparatus of the present invention are rational in infrastructure, and the material used is easy to get, stable work in work, simple to operate, can realize operating repeatedly, can adapt to large-scale industrial production test needs.
Description
Technical field
The invention belongs to safety engineering technical field of measurement and test, be specifically related to the experiment test device of disaster combustion.
Background technology
Thermoplastic refers to the plastics with thermoplastic, hardening by cooling characteristic.Common thermoplastic has Polyvinylchloride, tygon, polypropylene etc.The aspects such as heat insulation, insulation, waterproof, sound absorption, damping are widely used at present.Thermoplastic is in combustion along with melting drip phenomenon, and the pyrosol of drippage can promote fire spreading, has great fire risk.
The building element product surface flame spread test device made according to " building material surface burning test " BS476-7 relevant criterion is mainly contained at present for the experimental provision measuring material fire spread.This quasi-instrument is mainly used in measuring building material surface fire spread situation under open spaces condition, determines the fire resistance rating of material.China Patent No. 221822225325 discloses a kind of Multi-parameter coupling fire spread tester, and this device can to study under the Multi-parameter coupling effects such as humiture, oxygen concentration, radiation intensity the data such as solid combustible surface flame height, fireclay weld, radiation intensity, flue-gas temperature and composition.This experimental provision can be used for the Spread Characteristics measuring thermosets, but thermoplastic is in combustion due to material melting drippage, the situation that usual generation solid surface fire and pond fire burn simultaneously, significantly increases the danger of fire and the speed of fire spread.By pond fire in thermoplastic combustion process and material surface burning decoupling zero, measure surperficial fireclay weld, the thermoplastic fire spread model of Erecting and improving, can be and expand and in-depth Fire Science theoretical system, development fire protection technologies provides theory support.
Summary of the invention
The object of this invention is to provide a kind of experiment test device of thermoplastic Spread Characteristics, to make up the deficiencies in the prior art, for research thermoplastic fire spread mechanism provides experiment to support, the needs meeting experiment and produce.
The experiment test device of a kind of thermoplastic Spread Characteristics of the present invention, comprises sample holder, melt liquid cure system and TT&C system; Described sample holder is framed structure, and base of frame is supported by base, and there is the mounting hole run through on sample holder upper frame surface, and there is sample frame sample holder inside, and sample frame top and left and right edges have fixed orifice; Melt liquid cure system is made up of pond, belt drive system, water supply installation, wherein pond is divided into three regions by dividing plate a, dividing plate b, belt drive system is being placed near the region of a lateral edges, belt drive system is made up of roller, belt, belt is placed on roller surface, roller is connected with pond wall by rotatable bearing, rotatable bearing is connected with propulsion system through former and later two walls of pond, is connected by feed pipe in the region of belt drive system near pool edge with water tank; Feed pipe has water supply valve, and have cleaning shoe in the side belt surface near other two regions, be close to basin bottom bottom cleaning shoe, top is near belt surface, and width is identical with pond width; The lateral edges not installing belt drive system in pond has freeing port; Described TT&C system, by the thermopair on sample surface, is just connected to main control computer composition to the image recording structure on sample surface by data line; It is characterized in that: the width in pond is greater than the width of sample holder, the side that belt drive system has been installed in pond is positioned over below sample holder; Cleaning shoe is sharp knife edge structure near the face of belt, knife edge face and belt surface tangent; Dividing plate b comparatively dividing plate a is highly low.
As preferred version of the present invention, can arrange water plug in the region of pond without belt drive system side, water plug, by the joint area of drinking-water pipe and pond mounting strap belt drive system, drinking-water pipe arranges Water-pumping valve.
When apparatus of the present invention use, sample width is less than the width of belt, length is less than the height of sample holder top to pool surface, need to need the relevant position of test to lay the thermopair of requirement on sample surface according to test, sample is fixed on sample holder by sample holder upper mounting holes, the sample holder installing sample being striden across pond makes sample surface perpendicular to the direction of motion of belt in pond, is positioned over the side near pool edge; Close the Water-pumping valve of water plug, open the water supply valve of water supply installation, open data acquisition system (DAS), open gearing power supply, igniting, to pond, water starts to cover dividing plate a, closes the water supply valve of water supply installation, opens water plug and Water-pumping valve; In the process, the main control computer that the simulating signal that thermopair obtains is input to TT&C system through digital-to-analog conversion carries out data storage and computing; When sample burnouts, close data acquisition system (DAS) and gearing power supply.
The experiment test device of a kind of thermoplastic of the present invention Spread Characteristics is compared with existing fire spread proving installation, because apparatus of the present invention add melt liquid cure system in sample bottom, in experimentation, the melt liquid of thermoplasticity sample drippage can be cooled in real time, the pond fire and the decoupling zero of sample fire spread phenomenon that are formed by melt liquid, overcome prior art and can not to study in thermoplastic spread process melt liquid to the shortcoming of top sample surface flame spread process influence mechanism; Adopt water plug in the melt liquid cure system of apparatus of the present invention bottom, in pond, the water of zones of different can be recycled in an experiment, serves the effect of saving water resource; Upper sample support of the present invention is framed structure, can the number of plies, arrangement as required during experiment, random layout sample, the sample number of plies, thickness, structure, surface appearance all can be regulated according to test needs without restriction, the more existing experimental provision of testable sample is more various, device uses more flexible, overcomes the shortcoming to scantling restriction in original device to test; Apparatus of the present invention are rational in infrastructure, and the material used is easy to get, stable work in work, simple to operate, can realize operating repeatedly, can adapt to large-scale industrial production test needs.
Accompanying drawing explanation
Fig. 1 is the front elevation of a kind of thermoplastic fireclay weld of the present invention experiment test device;
Fig. 2 is experimental provision side view of the present invention.
Fig. 3 is sample holder structure front elevation in embodiment 2.
Fig. 4 is sample holder structure side view in embodiment 2.
Embodiment
Embodiment 1:
Fig. 1 is the front elevation of a kind of thermoplastic fireclay weld of the present invention experiment test device; Fig. 2 is experimental provision side view of the present invention.As shown in the above figures, a kind of thermoplastic fireclay weld of the present invention experiment test device, comprises sample holder 12, melt liquid cure system 16 and TT&C system 23, described sample holder 12 is framed structure, adopt stainless steel, surface smear fireproof coating, the each hem width degree of framework is 3cm, overall width and be highly 1.5m × 2.0m, base of frame has base 11 to support, base 11 respectively extends 40cm to the both direction perpendicular to sample holder 12, to guarantee the stability of the sample holder 12 having installed sample 15, there is the mounting hole 14 run through on sample holder 12 upper frame surface, mounting hole 14 is strip, width is 1cm, interval 1cm arranges, sample 15 top is by mounting hole 14, screw 27a is adopted to be fixed on sample holder 12, to determine the position of sample 15 in experiment, melt liquid cure system 16 is by pond 1, belt drive system 2, water supply installation 8 forms, pond 1 adopts stainless steel material to make, inner cavity size is 1.3m × 1.3m × 0.3m, adopt dividing plate a19, dividing plate b20 is divided into three regions, dividing plate a19, dividing plate b20 width is identical with pond width, dividing plate a19 is highly 0.26m, dividing plate b20 is highly 0.24m, water in Water In The Experiment pond 1 can be made not easily to overflow, dividing plate a19 is arranged on the position of distance pond right side edge 0.6m, dividing plate b20 is arranged on the position of distance pond right side edge 1.1m, dividing plate a19, lower three directions of dividing plate about b20 are welded in inside, pond, pond 1 is made to form three separate regions, in the region that dividing plate a19 and pond right side edge form, belt drive system 2 is installed, belt drive system 2 is by roller 17, belt 4 and rotatable bearing 3 form, belt 4 is placed on roller 17, it is rotatable bearing 3 in the middle part of roller 17, rotatable bearing 3 is connected with propulsion system 26 through former and later two walls of pond 1, roller 17 length is 1.1m, diameter is 0.1m, comprise roller a17a and roller b17b, belt 4 width is identical with roller 17 width, 5cm bottom belt drive system 2 lower edge distance pond 1, belt 4 and roller 17 rotate in the counterclockwise direction under the drive of rotatable bearing 3, cleaning shoe 18 is had near the edge on the left side, pond 1 at roller a17a, cleaning shoe 18 length is 1.15m, employing stainless steel makes, while to dividing plate a19 edge, another side is sharp blade structure, blade sharp side is near belt 4 surface at roller a17a edge, a middle side part near edge, pond 1 in the region of having installed belt drive system 2 is connected with water tank 6 by feed pipe 7, feed pipe 7 there is water supply valve 5, can supply water in pond, the lateral edges not installing belt drive system 2 in pond has freeing port 21, in the region that dividing plate a19 and dividing plate b20 forms, water plug 22 is installed, water plug 22 is by the joint area of drinking-water pipe 10 with mounting strap belt drive system 2 in pond 1, drinking-water pipe 10 there is Water-pumping valve 9, recycling of water in pond 1 can be realized in experimentation, described TT&C system 23, by the thermopair 13 on sample 15 surface, is just connected to main control computer 24 to the image recording structure 25 such as thermal infrared imager, video camera on sample 15 surface by data line and forms,
In experimentation, sample 15 is polypropylene PP plate, thickness 6mm, sample length is 1.6m, width is 1.0m, marking pen is adopted to draw the mark line of transverse and longitudinal serrated vertical every 1cm on sample 15 surface, beat every 0.2m distance the hole that diameter is 3mm in submarginal position, the side on the limit of Width, screw 27a is adopted to be the hole of 3mm through diameter, sample 15 is fixed on sample holder 12, on the perpendicular bisector of length direction, every 0.1m, the through hole that diameter is 1mm is set, be that to pop one's head in through sample 15 diameter be the through hole of 1mm for the thermopair 13 of 1mm by diameter, the surperficial 1mm of sample 15 is exposed at thermopair 13 tip, thermopair 13 is K type, the sample holder 12 having installed sample 15 being striden across pond makes sample 15 surface perpendicular to the direction of motion of belt 4 in pond 1, is positioned over the middle part of belt 4, at sample 15 towards water plug 22 installation side, the position of distance sample 152m arranges thermal infrared imager and video camera real time record fire spread situation, and thermal infrared imager and camera lens height are 1m, the Water-pumping valve 9 of water plug 22 is closed, open the water supply valve 5 of water tank 6, open data acquisition system (DAS), open thermal infrared imager, video camera regulate focal length, open belt drive system 2 power supply, igniting, to pond, water starts to cover dividing plate b20, close the water supply valve 5 of water supply installation 8, open the Water-pumping valve 9 of water plug 22, in the process, the main control computer 24 that the simulating signal that thermopair 13 obtains is input to TT&C system 23 through digital-to-analog conversion carries out data storage and computing, when sample 15 burnouts, close data acquisition system (DAS), gearing power supply, thermal infrared imager and video camera, the present embodiment can simulate thermoplastic material surface fire spread rule under without the impact of fusion pool fire, based on the picture series of thermocouple assay data and thermal infrared imager, camera record, can analyze thermoplastic surface's fire spread mechanism.
Embodiment 2:
Fig. 3 is sample holder structure front elevation in embodiment 2; Fig. 4 is sample holder structure side view in embodiment 2; In the present embodiment, sample 15 is XPS extruded sheet, sample frame 32 is increased in sample holder 12 inside, there is fixed orifice 33 at sample frame 32 top and edge, the left and right sides, sample frame 32 is of a size of 1.6m × 1.0m, sample frame about 32 two sides adopt connecting link 29 to be connected with sample holder 12, sample frame 32 can rotate along connecting link 29, by the knob 28 on sample holder 12 and the fixing button 30 in sample panel can fixed sample frame 32 in certain angle place, sample frame 32 arranges angle recordings device 31 near connecting link 29 place and records sample 15 angle; Fixed orifice 33 is strip, and width is 1cm, and interval 1cm arranges, screw 27b is adopted to be fixed on sample frame 32 by sample 15 by fixed orifice 33, sample frame 32 rotates 60 °, and sample 15 lower edge is positioned in the middle part of belt 4, and it is identical that other are arranged at embodiment 1; The present embodiment can simulate thermoplastic surface's fire spread behavior of certain angle.
Embodiment 3:
In the present embodiment, increase quartzy thermal insulation board at sample 15 towards the position of the surperficial 6mm of a lateral extent sample 15 of dividing plate b20, thermal infrared imager, video camera are arranged at and are parallel to sample surfaces, distance 2m, be highly the position of 1m, other settings are identical with embodiment 1; The present embodiment can simulate thermoplastic surface's fire spread behavior in slit.
Embodiment 4:
In the present embodiment, pond, experimental provision bottom 1 is replaced by the measure-alike rustless steel container of size and pond 1, during experiment, do not add water in container, other settings are identical with embodiment 1; The present embodiment can simulate the fire spread behavior under pond, thermoplastic spread process middle and lower part fire and top material surface fire spread coupling.
Claims (4)
1. an experiment test device for thermoplastic Spread Characteristics, comprises sample holder (12), melt liquid cure system (16) and TT&C system (23), described sample holder (12) is framed structure, base of frame is supported by base (11), there is the mounting hole (14) run through on sample holder (12) upper frame surface, there is sample frame (32) sample holder (12) inside, and sample frame (32) top and left and right edges have fixed orifice (33), melt liquid cure system (16) is by pond (1), belt drive system (2), water supply installation (8) forms, wherein pond (1) is by dividing plate a (19), dividing plate b (20) is divided into three regions, belt drive system (2) is being placed near the region of a lateral edges, belt drive system (2) is by roller (17), belt (4) forms, belt (4) is placed on roller (17) surface, roller (17) is connected with pond (1) wall by rotatable bearing (3), rotatable bearing (3) is connected with propulsion system (26) through pond (1) former and later two walls, be connected with water tank (6) by feed pipe (7) in the region of belt drive system (2) near pond (1) edge, feed pipe (7) there is water supply valve (5), cleaning shoe (18) is had on side belt (4) surface near other two regions, cleaning shoe (18) bottom is close to bottom, pond (1), top is near belt (4) surface, and width is identical with pond width, the lateral edges not installing belt drive system (2) in pond (1) has freeing port (21), described TT&C system (23), by the thermopair (13) on sample (15) surface, is just connected to main control computer (24) composition to the image recording structure (25) on sample (15) surface by data line, it is characterized in that: described sample (15) bottom adds melt liquid cure system (16).
2. the experiment test device of thermoplastic Spread Characteristics as claimed in claim 1, is characterised in that: the cleaning shoe (18) of this melt liquid cure system (16) is sharpened configuration near the face of belt (4).
3. the experiment test device of thermoplastic Spread Characteristics as claimed in claim 1, is characterised in that: adopt water plug (22) in described melt liquid cure system (16).
4. the experiment test device of thermoplastic Spread Characteristics as claimed in claim 1, is characterised in that: described sample frame (32) angle rotatable is 0-360 °.
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| CN201310166620.8A CN103792318B (en) | 2013-04-24 | 2013-04-24 | A kind of thermoplastic fire spread behavioral experiment proving installation |
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| CN201310166620.8A CN103792318B (en) | 2013-04-24 | 2013-04-24 | A kind of thermoplastic fire spread behavioral experiment proving installation |
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| CN103792318B true CN103792318B (en) | 2015-11-25 |
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| CN110044961B (en) * | 2019-04-23 | 2021-09-07 | 东北大学 | Device and method for observing and testing fire spreading behavior of dust layer |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1356023A (en) * | 1971-02-10 | 1974-06-12 | Carroll Porczynski C Z | Falammability testing of materials |
| SU1350580A1 (en) * | 1986-02-12 | 1987-11-07 | Ленинградский филиал Всесоюзного научно-исследовательского института противопожарной обороны | Device for determining flame propagation index |
| SU1668906A1 (en) * | 1988-02-10 | 1991-08-07 | Научно-Производственное Объединение По Исследованию И Проектированию Энергетического Оборудования Им.И.И.Ползунова | Method of determining creep life of high-temperature materials |
| CN201307109Y (en) * | 2008-11-21 | 2009-09-09 | 中国科学技术大学 | Multi-parameter coupling fire spread tester |
| CN102323392A (en) * | 2011-08-31 | 2012-01-18 | 中国科学技术大学 | Simulation test device for melting flow combustion behavior of thermoplastic material |
| CN202166625U (en) * | 2011-06-22 | 2012-03-14 | 公安部上海消防研究所 | Device for measuring combustion quality of combustible material |
| CN102879520A (en) * | 2012-10-15 | 2013-01-16 | 协和机电（无锡）有限公司 | Flame spreading combustion test device |
-
2013
- 2013-04-24 CN CN201310166620.8A patent/CN103792318B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1356023A (en) * | 1971-02-10 | 1974-06-12 | Carroll Porczynski C Z | Falammability testing of materials |
| SU1350580A1 (en) * | 1986-02-12 | 1987-11-07 | Ленинградский филиал Всесоюзного научно-исследовательского института противопожарной обороны | Device for determining flame propagation index |
| SU1668906A1 (en) * | 1988-02-10 | 1991-08-07 | Научно-Производственное Объединение По Исследованию И Проектированию Энергетического Оборудования Им.И.И.Ползунова | Method of determining creep life of high-temperature materials |
| CN201307109Y (en) * | 2008-11-21 | 2009-09-09 | 中国科学技术大学 | Multi-parameter coupling fire spread tester |
| CN202166625U (en) * | 2011-06-22 | 2012-03-14 | 公安部上海消防研究所 | Device for measuring combustion quality of combustible material |
| CN102323392A (en) * | 2011-08-31 | 2012-01-18 | 中国科学技术大学 | Simulation test device for melting flow combustion behavior of thermoplastic material |
| CN102879520A (en) * | 2012-10-15 | 2013-01-16 | 协和机电（无锡）有限公司 | Flame spreading combustion test device |
Non-Patent Citations (3)
| Title |
|---|
| 不同厚度杉木板垂直火蔓延速率的试验研究;周勇等;《安全与环境学报》;20101231;第10卷(第6期);第142-144页 * |
| 热塑性装饰材料大尺度火灾实验研究;徐亮等;《中国科学技术大学学报》;20080531;第38卷(第5期);第563－568页 * |
| 试样宽度对EPDM卷材竖直火蔓延的影响;许春明等;《安全与环境学报》;20101231;第10卷(第6期);第150-154页 * |
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