CN105136850B - Instrument and equipment for quantitative test high molecular material fire resistance - Google Patents
Instrument and equipment for quantitative test high molecular material fire resistance Download PDFInfo
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- CN105136850B CN105136850B CN201510506100.6A CN201510506100A CN105136850B CN 105136850 B CN105136850 B CN 105136850B CN 201510506100 A CN201510506100 A CN 201510506100A CN 105136850 B CN105136850 B CN 105136850B
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Abstract
Instrument and equipment for quantitative test high molecular material fire resistance, thermocouple wire is welded as to the welder of thermocouple equipped with one, for the molding die being embedded in the thermocouple after welding inside high molecular material sample, one combustion chamber and a current control and logger, combustion chamber can be to the high molecular material specimen surface jet flames for being embedded with thermocouple, current control is made of with logger a digital recorder for being used for internal temperature change when real-time quantitative test high molecular material sample burns under flame interaction and an adjustable current device for being used to provide electric current to welder, thermocouple in high molecular material sample is connected by compensation lead of thermocouple with digital recorder.Come influence of the quantitatively characterizing material combustion charring to heat transfer, a kind of brand-new test of quantitative analysis instrument is provided for flame retarded polymeric material research with experimental data for this equipment.
Description
Technical field
The present invention relates to the fire-retardant experimental technique field of high molecular material, and in particular to one kind is used for quantitative test macromolecule material
Expect the instrument and equipment of fire resistance.
Background technology
The high molecular materials such as plastics, rubber, fiber, coating and binder, because its is various in style, function admirable, light valency
The advantages that honest and clean, have become daily life and the indispensable important materials of all trades and professions, and the life and production to people are brought
Many convenience.However, this kind of material also has the shortcomings that its is fatal, the security of the lives and property of the fire to people caused by inflammable
Very big threat is formd, meanwhile, dense smoke caused by burning and molten drop not only Heavy environmental pollution, but also easily propagating flame.
Therefore, the research and development of flame retarded polymeric material become mine, chemical industry, automobile making, electronic apparatus, construction material and aviation
The application of many fields such as space flight there is an urgent need in recent years as one of hot spot of polymeric materials science research.
Study flame retarded polymeric material it may first have to there are enough understandings to the fire retardant mechanism of material.At present, both at home and abroad
It is believed that the fire retardant mechanism of high molecular material is broadly divided into, gas phase is fire-retardant and condensed phase is fire-retardant for academia.The former occurs in gas
Phase flame zone, mainly by some element-specifics and group, as halogen contained compound, organic phosphorus compound thermally decompose to generate
Activity high hydroperoxyl radical (H) and hydroxyl radical free radical (HO), interrupts combustion chain reaction in radical-scavenging capture flame
Play fire retardation;The latter is mainly by generating the high carbonaceous residue layer of heat endurance in material surface, cutting off or subtract
Few heat transfer and material between gas phase flame zone and high molecular material inside(Imflammable gas, oxygen)Exchange, so as to rise
To fire retardation.In practical applications, since former approach generates substantial amounts of hydrogen halide and black smoke in burning, both endangered
Evil health pollutes environment again, and commercial Application and scientific research gradually decrease.Later approach is current fire proofing research
Hot spot, how to make polymeric material thermal decomposition and(Or)Generation quantity enough continuous and fine and close layer of charcoal during burning,
It is the key for improving Flame Retardancy energy.
Thermal decomposition layer of charcoal is covered in surface of polymer material and forms fire-proof curtain, in order to judge the effect of this fire-proof curtain
Can, scanning and transmission electron microscopy is usually used both at home and abroad and carries out morphological observation, it is generally recognized that the more continuous densification of layer of charcoal,
Iris action is better, and the combustible gaseous fuel that macromolecule thermal decomposition produces inside the heat and layer of charcoal of flame zone just can be to pass through
Layer of charcoal is transmitted and exchanged, and flame retardant effect is better.But this traditional research method is only a kind of qualitatively theoretical point
Analysis, the layer of charcoal that generates can to what extent prevent heat transfer on earth when high molecular material thermally decomposes, protection materials from
Flame interaction, both at home and abroad not reliable experimental method and analysis and characterization means.
The content of the invention
The object of the present invention is to provide a kind of instrument and equipment for quantitative test high molecular material fire resistance, for
Internal temperature changes when line, in real time measurement and record high molecular material burning.
The used to achieve the above object technical solution of the present invention is:For quantitative test high molecular material fire resistance
Instrument and equipment, equipped with one by thermocouple wire be welded as thermocouple welder, for by after welding thermocouple embed
Molding die, a combustion chamber and a current control and logger, combustion chamber inside high molecular material sample can
To the high molecular material specimen surface jet flames for being embedded with thermocouple, current control is used for real-time quantitative with logger by one
The digital recorder of internal temperature change of test high molecular material sample when burn under flame interaction and one are for weldering
The adjustable current device that connection device provides electric current forms, and the thermocouple in high molecular material sample passes through compensation lead of thermocouple
It is connected with digital recorder.
Wherein, the welder includes the welding groove for being contained with organic silicone oil, is equipped with welding groove and is dipped in organosilicon
Carbon-point in oil, the adjustable current device are internally provided with low-tension transformer, and the outside of adjustable current device is equipped with
Positive terminal, negative terminal, the current adjusting knob for adjusting low-tension transformer output current size and for aobvious in real time
Show the display screen of current value, positive terminal and negative terminal are electrically connected with low-tension transformer, and negative terminal passes through conducting wire and carbon-point
End thereof contacts, positive terminal is connected by carrying jig conducting wire with thermocouple wire, thermocouple wire and another end in contact of carbon-point.
Further, welder further includes the conductive fixed seat for fixing carbon-point, and the welding groove includes cylindrical drum
Body and the base for being fixed on cylindrical tube lower part, the side opening for connecting conducting wire is offered on the side wall of base, is opened up on base
There is the through hole connected with side opening, the tabletting for crimping lead wire is equipped with the through hole, and the top of tabletting is equipped with and is fixed on bottom
Boss on seat, the center of boss offer internal thread through hole, the lower part of conductive fixed seat and the internal thread through hole of boss
It is threadedly coupled and directes reach tabletting, makes tabletting with pressure fixing conducting wire.
Wherein, the combustion chamber includes the fixed seat of one side opening, be equipped with fixed seat can move back and forth up and down and
For placing the testing stand of high molecular material sample, the top that testing stand is corresponded in fixed seat is equipped with flame device.
Further, fixed seat includes two frameworks and the housing for being fixed on framework top, two frames that ectonexine is set
Fire-retardant heat insulation layer is equipped with the interlayer set between body, framework is by bottom plate, top plate and for vertical connection bottom plate and top plate three
The side plate composition of a side, wherein, top plate also serves as the bottom wall of housing, is fixed with the inner wall of one of side plate of internal layer framework
Graduated scale;Flame device includes introducing the input pipe of gas source, the flow control valve being located on input pipe and is located at input
The nozzle of pipe end, nozzle are correspondingly arranged at the top of high molecular material sample, the housing be equipped with timer and with stream
The flow adjustment knob of adjustable valve connection.
Further, it is additionally provided with fume extractor in housing, top plate is equipped with poly- petticoat pipe and is correspondingly arranged with fume extractor
Smoke outlet, and the side that fixed seat opening is corresponded on top plate is equipped with smoke barrier.
Wherein, testing stand includes the motor that the leading screw that is vertically arranged and control leading screw rotate, be arranged with leading screw with thereon
The matched sliding block with inner nut structure of screw thread, sliding block be equipped be used to adjusting the upper surface of high molecular material sample with
The angle regulator of angle between flame device jets out flames.
Further, angle regulator is connected by connector sleeve, with the threaded hole that connector sleeve center is set
Holding screw and the tray for placing high molecular material sample form, and connector sleeve is fixed on sliding block by removable link
On, tray is extend into the threaded hole inside connector sleeve by the extension rod set thereon, and holding screw can turn extension rod
It is fixed on dynamicly in threaded hole.
Further, test platform and further include the lead to pump for guide shoe, sliding block is equipped with and guiding
The guide sleeve that column coordinates.
In the present invention, thermocouple is the multiple temperature thermocouples set along the thickness direction of high molecular material sample, respectively
There are identical temperature response characteristics between thermocouple, and under identical temperature field, temperature difference T≤2 between each thermocouple
℃。
At work, the negative terminal of adjustable current device is by conducting wire and the end thereof contacts of carbon-point, just for welder
Binding post is connected by carrying jig conducting wire with thermocouple wire, thermocouple wire and another end in contact of carbon-point.Open adjustable current dress
The power switch put, the output current of adjustable current device is adjusted according to the material of thermocouple wire and specification, by thermocouple wire
Through the organic silicone oil in welding groove, when thermocouple wire when solder joint is contacted with carbon-point instantaneous short circuit, treat solder joint and carbon-point it
Between produce electric arc, the high temperature of electric arc makes thermocouple wire termination be welded together rapidly, forms round and smooth soldering tip.According to thermocouple wire
Specification, adjust the size of electric current, it is 0A that electric current is adjusted after welding, and deenergization, removes thermocouple wire, thermocouple welding
Complete.Wherein, adjustable current device is internally provided with low-tension transformer, and safe operation is reliable;Organosilicon is placed in welding groove
Oil, on the one hand, injury of the arc light to operator caused by welding can be reduced, on the other hand, pad can be prevented in high temperature
Lower oxidation, makes thermocouple welding point round and smooth, bright;This welder use scope is wide, can weld K-type, Cu50、Pt100Deng material
The thermocouple wire of matter, 0.2 ~ 2mm sizes;Power height is once welded into, success is up to 99.9%;It is easy to operate easily to grasp, do not depend on
In the level of skill of operator;Equipment is simple, of low cost, welding efficiency is high, is suitable for laboratory and factory's small lot life
Production.
What the present invention used be used for by the thermocouple after welding be embedded in molding die inside high molecular material sample for
Existing known technology, the i.e. mould are the press-moulding die of high molecular material in the prior art.
Beneficial effect:1st, this equipment makes thermocouple first with welder, will then in polymer material molding
The thermocouple embeds the diverse location in high molecular material sample inner thickness direction in a mold, after shaping, by high molecular material
Sample is placed in combustion chamber and burns, while presses startup and the record switch of digital recorder, starts to measure and records burning
Temperature change inside process in which materials at diverse location, the pass between charring and fire resistance so as to Knowing material
System.Wherein, adjustable current device voltage is relatively low, safe and reliable when making thermocouple.
2nd, in the equipment, thermocouple is connected by compensation lead of thermocouple with digital recorder, real using digital recorder
Temperature inside when Shi Jilu high molecular materials sample burns, can obtain at same sample different-thickness position or different groups
Into sample same thickness position at series of temperature delta data, it is and then different for comparative chemistry composition/microstructure
High molecular material burning when internal temperature change, realize it is fire-retardant research be improved to from qualitatively theory analysis it is quantitative
Experimental data characterizes.
3rd, the equipment includes welder, molding die, combustion chamber and current control and four part of logger, each several part
Complement each other, thermocouple and high molecular material sample can be made according to experiment demand;The set-up mode of combustion chamber, being capable of basis
Experiment, which needs to adjust, is passed through the size of fuel gas source, can also set certain burning time, additionally it is possible to adjust sample and flame it
Between angle, meet different experiment demands.It is relatively low to manufacture cost, operation is fairly simple, can measure and remember in situ, in real time
Record high molecular material when burning under flame interaction internal temperature with the time dynamic change, with experimental data come quantitatively characterizing material
Influence of the material burning charring to heat transfer, a kind of brand-new quantitative analysis table is provided for flame retarded polymeric material research
Sign method.The equipment is an important breakthrough of flame retarded polymeric material sample research means, its marked improvement is to realize height
The fire-retardant experiment of molecular material is characterized from qualitatively theory analysis to quantitative experimental data.
4th, the present invention directly measures the temperature inside when high molecular material burns, and is shown with existing using scanning and transmitted electron
Micro mirror carries out morphological observation to the layer of charcoal that burning is formed and compares, the resistance for the analysis of material that the size of temperature more can be directly perceived, quantitative
Combustion acts on.The present invention carries out flame to high molecular material sample using original combustion chamber and ignites, and equipped with fire-retardant heat insulation layer
Fixed seat can avoid influence of the external environment to combustion test to greatest extent;Moreover, using leading screw motor-driven with
And the sliding block with the supporting transmission of leading screw, realize moving back and forth up and down for sliding block, and then adjust high molecular material sample apart from nozzle
Between spacing;Meanwhile angle regulator adjustment high molecular material sample upper surface can be utilized to jet out flames it with nozzle
Between angle, meet different experiment needs.
Brief description of the drawings
Fig. 1 is the flow chart of a whole set of instrument and equipment of the present invention;
Fig. 2 is the work relationship figure of welder, combustion chamber and current control and logger in equipment;
Fig. 3 and Fig. 4 is the schematic diagram of welder in Fig. 2;
Fig. 5 and Fig. 6 is the schematic diagram of combustion chamber in Fig. 2;
Fig. 7 is the schematic diagram of fixed seat in combustion chamber.
Reference numeral:1st, thermocouple wire, 2, thermocouple, 3, high molecular material sample, 4, compensation lead of thermocouple, 5, electric current
Control and logger, 50, adjustable current device, 500, positive terminal, 501, negative terminal, 502, current adjusting knob,
503rd, display screen, 504, conducting wire, 505, carrying jig conducting wire, 51, digital recorder, 6, welder, 60, welding groove, 61, carbon
Rod, 62, conductive fixed seat, 63, cylindrical tube, 64, base, 65, side opening, 66, through hole, 67, tabletting, 68, boss, 69, interior spiral shell
Line through hole, 7, combustion chamber, 70, fixed seat, 700, framework, 701, housing, 702, fire-retardant heat insulation layer, 703, bottom plate, 704, top plate,
705th, side plate, 706, graduated scale, 71, testing stand, 710, motor, 711, leading screw, 712, sliding block, 713, lead, 72, flame dress
Put, 720, input pipe, 721, flow control valve, 722, nozzle, 723, flow adjustment knob, 8, angle regulator, 80, connection
Set, 81, holding screw, 82, tray, 83, removable link, 84, extension rod, 9, timer, 10, fume extractor, 11, poly- cigarette
Cover, 12, smoke outlet, 13, smoke barrier.
Embodiment
The instrument and equipment for quantitative test high molecular material fire resistance with reference to specific embodiment to the present invention
It is described further, so that those skilled in the art may be better understood the present invention and can be practiced, but lifts implementation
Example is not as a limitation of the invention.
For the instrument and equipment of quantitative test high molecular material fire resistance, as shown in Figure 1, being equipped with one by thermocouple wire
1 welder 6 for being welded as thermocouple 2, for by the thermocouple 2 after welding be embedded in inside high molecular material sample 3 into
Pattern tool, a combustion chamber 7 and a current control and logger 5.Wherein, molding die is in compressing high molecular material
While sample, the thermocouple 2 after welding is placed in the diverse location of high molecular material thickness direction, be pressed into being embedded with
The high molecular material sample 3 of thermocouple 2.Combustion chamber 7 can be sprayed to 3 surface of high molecular material sample for being embedded with thermocouple 2
Flame.Make as shown in Fig. 2, current control is used for real-time quantitative measurement high molecular material sample 3 with logger 5 by one in flame
The digital recorder 51 of internal temperature change during with lower burning and an adjustable economize on electricity for being used to provide electric current to welder 6
Stream device 50 forms, and the thermocouple 2 in high molecular material sample 3 is connected by compensation lead of thermocouple 4 with digital recorder 51.
As shown in Figure 2, Figure 3 and Figure 4, welder 6 includes the welding groove 60 for being contained with organic silicone oil, is set in welding groove 60
There is the carbon-point 61 being dipped in organic silicone oil, the adjustable current device 50 is internally provided with low-tension transformer, adjustable economize on electricity
The outside for flowing device 50 is equipped with positive terminal 500, negative terminal 501, the electricity for adjusting low-tension transformer output current size
Flow adjusting knob 502 and the display screen 503 for real-time display current value, positive terminal 500 and negative terminal 501 and low pressure
Transformer is electrically connected, and negative terminal 501 is led by conducting wire 504 and the end thereof contacts of carbon-point 61, positive terminal 500 by carrying jig
Line 505 is connected with thermocouple wire 1, thermocouple wire 1 and 61 another end in contact of carbon-point.Wherein, welder 6 is further included for fixing
The conductive fixed seat 62 of carbon-point 61, the welding groove 60 include cylindrical tube 63 and the base for being fixed on 63 lower part of cylindrical tube
64, the side opening 65 for connecting conducting wire 504 is offered on the side wall of base 64, offered on base 64 connected with side opening 65 it is logical
Hole 66, is equipped with the tabletting 67 for crimping lead wire 504 at the through hole 66, and the top of tabletting 67 is equipped with and is fixed on base 64
Boss 68, the center of boss 68 offers internal thread through hole 69, the lower part of conductive fixed seat 62 and the interior spiral shell of boss 68
Line through hole 69 is threadedly coupled and directes reach tabletting 67, makes tabletting 67 with pressure fixing conducting wire 504.
As shown in Figure 2, Figure 5 and Figure 6, combustion chamber 7 includes the fixed seat 70 of one side opening, be equipped with fixed seat 70 can on
Lower to move back and forth and be used for the testing stand 71 for placing high molecular material sample 3, the top that testing stand 71 is corresponded in fixed seat 70 is set
There is flame device 72.Wherein, fixed seat 70 includes two frameworks 700 that ectonexine is set and the shell for being fixed on 700 top of framework
Body 701, as shown in fig. 7, being equipped with fire-retardant heat insulation layer 702 in the interlayer set between two frameworks 700, framework 700 is by bottom plate
703rd, top plate 704 and the side plate 705 for 704 3 sides of vertical connection bottom plate 703 and top plate form, wherein, top plate 704
The bottom wall of housing 701 is also served as, graduated scale 706 is fixed with the inner wall of one of side plate of internal layer framework;Flame device 72 wraps
Include the input pipe 720 for introducing gas source, the flow control valve 721 being located on input pipe 720 and be located at 720 end of input pipe
Nozzle 722, nozzle 722 is correspondingly arranged at the top of high molecular material sample 3, the housing 701 be equipped with timer 9 and
The flow adjustment knob 723 being connected with flow control valve 721, be additionally provided with housing 701 control motor 710 respectively work/stop,
The knob of forward/reverse.
As shown in Figure 5 and Figure 6, be additionally provided with fume extractor 10 in housing 701, top plate 704 be equipped with poly- petticoat pipe 11 and with row
The smoke outlet 12 that cigarette device 10 is correspondingly arranged, and the open side of fixed seat 70 is corresponded on top plate 704 and is equipped with smoke barrier 13;
Testing stand 71 includes the motor 710 that the leading screw 711 that is vertically arranged and control leading screw 711 rotate, be arranged with leading screw 711 with thereon
The matched sliding block 712 with inner nut structure of screw thread, sliding block 712 be equipped be used for adjust high molecular material sample 3
The angle regulator 8 of angle between upper surface and flame device 72 are jetted out flames;Testing stand 71 is further included for guiding cunning
The lead 713 that block 712 pumps, sliding block 712 are equipped with the guide sleeve coordinated with lead 713.
As shown in fig. 7, with the threaded hole that angle regulator 8 is set from connector sleeve 80, with 80 center of connector sleeve
The holding screw 81 of connection and the tray 82 for placing high molecular material sample 3 form, and connector sleeve 80 is by detachable
Bar 83 is fixed on sliding block 712, and tray 82 extend into the threaded hole inside connector sleeve 80 by the extension rod 84 set thereon
In, extension rod 84 is rotatably mounted in threaded hole by holding screw 81.
According to the species and composition of flame retarded polymeric material, the compressing temperature of reasonable set, by accurate measurement
The granule materials of polymeric material are placed in molding die by compressing, and it is different to obtain a series of identical but thickness of compositions
Circular high molecular material sample, according to the quantity of the thermocouple of embedding, the thickness of high molecular material sample is rationally set.This
In invention, thermocouple 2 be along high molecular material sample 3 thickness direction set multiple temperature thermocouples, each thermocouple it
Between there are identical temperature response characteristics, and under identical temperature field, temperature difference T≤2 DEG C between each thermocouple.
The operation principle of welder 6:The positive terminal 500 of adjustable current device 50 by carrying jig conducting wire 505 with
Thermocouple wire 1 to be welded is connected;The other end for the conducting wire 504 being connected with negative terminal 501 through base 64 side opening 65 into
Enter the lower section of tabletting 67, carbon-point 61 is put into conductive fixed seat 62, fixes carbon-point 61, conductive fixed seat 62 is put into boss 68
Internal thread through hole 69 in, while screwing conductive fixed seat 62, give tabletting 67 pressure, tabletting 67 is fixed conducting wire 504;Its
In, holding screw also is provided with the side wall of boss 68, when fixing the position of conductive fixed seat 62, holding screw is screwed, makes
Conductive fixed seat 62 is fixed in boss 68.Organic silicone oil is poured into welding groove 60, at about 2/3rds;Then, open
The power switch of adjustable current device 50, according to the material and specification of thermocouple wire 1 to be welded, adjusts adjustable current device
Thermocouple wire 1 to be welded, is gently passed through the organic silicone oil in welding groove 60 by 50 output current, to be welded when thermocouple wire 1
Instantaneous short circuit when point is contacted with carbon-point 61, treats to produce electric arc between solder joint and carbon-point 61, the high temperature of electric arc makes 1 termination of thermocouple wire
It is welded together rapidly, forms round and smooth soldering tip.According to the specification of thermocouple wire 1, the size of electric current is adjusted, arcing time is about
0.5s, it is 0A that electric current is adjusted after welding, and deenergization, removes thermocouple.
What the present invention used be used for by the thermocouple after welding be embedded in molding die inside high molecular material sample for
Existing known technology, the i.e. mould are the press-moulding die of high molecular material in the prior art.According to flame retarded polymeric material
Species and composition, the compressing temperature of reasonable set, is placed on the granule materials of the polymeric material Jing Guo accurate measurement
In mould a series of identical but different thickness circle/square fire proofing print of compositions is obtained by compressing.Will be above-mentioned
The print of preparation places several thermometric thermoelectricity along thickness of sample direction as needed according to being necessarily subsequently placed in mould
It is even, thermocouple is embedded between print;Between mould is placed on the template of two heating of vulcanizing press, preheat material
20min, then pressurizes and 10min is kept under 10MPa pressure, finally from taking-up mould between template and under 10MPa pressure
Mould is opened after cooling 30min, you can obtains being embedded with the high molecular material sample of thermocouple.
The application method of combustion chamber 7:Start motor 710, motor 710 drives leading screw 711 to rotate, and sliding block 712 is up and down reciprocatingly
It is mobile, when sliding block 712 is moved to suitable position, stop the work of motor 710;Then height is adjusted by angle regulator 8
The angle of inclination of molecular material sample 3.After, the flow switch of gas source is opened, with long-armed igniter in fixed seat 70
In light nozzle 722 ejection combustion gas, adjust flow control valve 721, the length of flame is just ejected into high molecular material sample 3
Upper surface, meanwhile, press startup and the record switch of digital recorder 51, carry out combustion test and data acquisition.
Claims (7)
1. for the instrument and equipment of quantitative test high molecular material fire resistance, equipped with one by thermocouple wire(1)It is welded as heat
Galvanic couple(2)Welder(6), for by the thermocouple after welding(2)It is embedded in high molecular material sample(3)Internal shaping
Mould, a combustion chamber(7)And a current control and logger(5), combustion chamber(7)Can be to being embedded with thermocouple(2)
High molecular material sample(3)Surface jet flames, current control and logger(5)It is used for real-time quantitative test high score by one
Sub- material sample(3)The digital recorder of internal temperature change when burning under flame interaction(51)It is used for one to welding
Device(6)The adjustable current device of electric current is provided(50)Composition, high molecular material sample(3)In thermocouple(2)Pass through heat
Galvanic couple compensating wire(4)With digital recorder(51)Connection, it is characterised in that:The welder(6)Including being contained with
The welding groove of machine silicone oil(60), welding groove(60)In be equipped with and be dipped in carbon-point in organic silicone oil(61), the adjustable current
Device(50)Be internally provided with low-tension transformer, adjustable current device(50)Outside be equipped with positive terminal(500), negative wiring
Column(501), current adjusting knob for adjusting low-tension transformer output current size(502)And for real-time display electric current
The display screen of value(503), positive terminal(500)And negative terminal(501)It is electrically connected with low-tension transformer, negative terminal(501)
Pass through conducting wire(504)With carbon-point(61)End thereof contacts, positive terminal(500)Pass through carrying jig conducting wire(505)With thermocouple wire
(1)Connection, thermocouple wire(1)With carbon-point(61)Another end in contact;The combustion chamber(7)Include the fixed seat of one side opening
(70), fixed seat(70)In be equipped with and can move back and forth up and down and for placing high molecular material sample(3)Testing stand(71)Gu
Reservation(70)Middle corresponding testing stand(71)Top be equipped with flame device(72);Testing stand(71)Including the leading screw being vertically arranged
(711)With control leading screw(711)The motor of rotation(710), leading screw(711)On be arranged with and screw thread thereon is matched carries
The sliding block of inner nut structure(712), sliding block(712)It is equipped with and is used to adjust high molecular material sample(3)Upper surface and flame
Device(72)The angle regulator of angle between jetting out flames(8).
2. the instrument and equipment according to claim 1 for quantitative test high molecular material fire resistance, it is characterised in that:
The welder(6)Further include for fixing carbon-point(61)Conductive fixed seat(62), the welding groove(60)Including circle
Column casing body(63)Be fixed on cylindrical tube(63)The base of lower part(64), base(64)Side wall on offer and lead for connecting
Line(504)Side opening(65), base(64)On offer and side opening(65)The through hole of connection(66), in the through hole(66)Place is equipped with
For crimping lead wire(504)Tabletting(67), and tabletting(67)Top be equipped be fixed on base(64)On boss(68), it is convex
Platform(68)Center offer internal thread through hole(69), conductive fixed seat(62)Lower part and boss(68)Internal thread lead to
Hole(69)It is threadedly coupled and directes reach tabletting(67), make tabletting(67)With pressure fixing conducting wire(504).
3. the instrument and equipment according to claim 1 for quantitative test high molecular material fire resistance, it is characterised in that:
Fixed seat(70)Two frameworks set including ectonexine(700)Be fixed on framework(700)The housing on top(701), two
Framework(700)Between be equipped with fire-retardant heat insulation layer in the interlayer that sets(702), framework(700)By bottom plate(703), top plate(704)With
And for vertical connection bottom plate(703)And top plate(704)The side plate of three sides(705)Composition, wherein, top plate(704)Also serve as
Housing(701)Bottom wall, be fixed with graduated scale on the inner wall of one of side plate of internal layer framework(706);Flame device(72)
Input pipe including introducing gas source(720), be located at input pipe(720)On flow control valve(721)And it is located at input
Pipe(720)The nozzle of end(722), nozzle(722)It is correspondingly arranged at high molecular material sample(3)Top, the housing
(701)It is equipped with timer(9)And and flow control valve(721)The flow adjustment knob of connection(723).
4. the instrument and equipment according to claim 3 for quantitative test high molecular material fire resistance, it is characterised in that:
The housing(701)In be additionally provided with fume extractor(10), top plate(704)It is equipped with poly- petticoat pipe(11)With with fume extractor(10)
The smoke outlet being correspondingly arranged(12), and top plate(704)Upper corresponding fixed seat(70)Open side is equipped with smoke barrier(13).
5. the instrument and equipment according to claim 1 for quantitative test high molecular material fire resistance, it is characterised in that:
The angle regulator(8)By connector sleeve(80)With connector sleeve(80)What the threaded hole that center is set was connected
Holding screw(81)And for placing high molecular material sample(3)Tray(82)Composition, connector sleeve(80)By removable
Unload bar(83)It is fixed on sliding block(712)On, tray(82)Pass through the extension rod set thereon(84)It extend into connector sleeve(80)
In internal threaded hole, holding screw(81)By extension rod(84)It is rotatably mounted in threaded hole.
6. the instrument and equipment according to claim 1 for quantitative test high molecular material fire resistance, it is characterised in that:
Testing stand(71)Further include and be used for guide shoe(712)The lead to pump(713), sliding block(712)Be equipped with
Lead(713)The guide sleeve of cooperation.
7. the instrument and equipment according to claim 1 for quantitative test high molecular material fire resistance, it is characterised in that:
Thermocouple(2)For along high molecular material sample(3)Multiple temperature thermocouples for setting of thickness direction, have between each thermocouple
There are identical temperature response characteristics, and under identical temperature field, temperature difference≤2 DEG C between each thermocouple.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510506100.6A CN105136850B (en) | 2015-08-17 | 2015-08-17 | Instrument and equipment for quantitative test high molecular material fire resistance |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510506100.6A CN105136850B (en) | 2015-08-17 | 2015-08-17 | Instrument and equipment for quantitative test high molecular material fire resistance |
Publications (2)
Publication Number | Publication Date |
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CN105136850A CN105136850A (en) | 2015-12-09 |
CN105136850B true CN105136850B (en) | 2018-04-17 |
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CN201510506100.6A Expired - Fee Related CN105136850B (en) | 2015-08-17 | 2015-08-17 | Instrument and equipment for quantitative test high molecular material fire resistance |
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RU196052U1 (en) * | 2019-10-30 | 2020-02-14 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский университет Государственной противопожарной службы Министерства Российской Федерации по делам гражданской обороны, чрезвычайным ситуациям и ликвидации последствий стихийных бедствий | TEST STAND FOR LOADED FIRE-PROTECTIVE COATINGS |
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CN111157396B (en) * | 2020-01-16 | 2024-06-14 | 天津大学 | Solid combustion reactor with adjustable observation visual angle |
CN116990347B (en) * | 2023-09-26 | 2023-12-29 | 山东华宝环保新材料有限公司 | Flame retardant property testing device |
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