CN207231941U - A kind of device for polymeric material burning molten drop behavior characterization - Google Patents
A kind of device for polymeric material burning molten drop behavior characterization Download PDFInfo
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- CN207231941U CN207231941U CN201721258528.4U CN201721258528U CN207231941U CN 207231941 U CN207231941 U CN 207231941U CN 201721258528 U CN201721258528 U CN 201721258528U CN 207231941 U CN207231941 U CN 207231941U
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- molten drop
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Abstract
The utility model discloses a kind of device for polymeric material burning molten drop behavior characterization, including combustion testing case, cantilever mechanism, thermocouple temperature measurement mechanism, molten drop thing collecting mechanism and the combustion mechanism being arranged on inside combustion testing case, the main control cabinet being arranged on outside combustion testing case, and the data transmission circuit of connection combustion testing case and main control cabinet；The combustion mechanism is arranged on polymer samples lower part, and the molten drop thing collecting mechanism is arranged on combustion testing bottom portion, and the thermocouple temperature measurement mechanism and molten drop thing collecting mechanism are connected by data transmission circuit with main control cabinet.The utility model can monitor the temperature of the temperature and combustion flame in combustion testing case in real time, weight, molten drop drippage initial time and the molten drop thing weight changing curve of molten drop thing can be recorded in real time, can measure polymer samples initial weight and molten drop behavior after weight, in real time measure molten drop action process in polymer samples weight.
Description
Technical field
The utility model is related to polymeric material melt-dropping property representational field, and in particular to be a kind of to be used for polymeric material
The device for molten drop behavior characterization of burning.
Background technology
Macromolecule polymer material is due to the raw material with abundance, easy machine-shaping process, less density,
The many merits such as excellent mechanics, optically and electrically performance, preferable corrosion resistance characteristic, relatively low manufacture energy consumption, in production and
Each field of living is widely applied, but the organic high molecular polymer of wherein linear or some branched chain type structures have it is heated
Softening properties, melting drippage (molten drop) easily occurs during burning under the effect of gravity, forms the liquid pool fire that drippage burns, liquid pool fire
Formation can ignite unburned area's material, and the Thermal feedback produced can promote material combustion, and fire hazard is significantly greatly increased, is fire
Prevention brings new problem.
Since nineteen nineties, Typical thermoplastic's material fire cases emerge in an endless stream, and such as CCTV in 2009 is new
Find that exterior wall thermoplasticity thermal insulation material XPS has obvious drippage trickling combustion phenomena in building fire, this molten drop behavior promotes
Developing fire, causes the economic loss of heaviness and severe social influence, therefore the melting drippage behavior pair of Study Polymer Melts
Prevention fire is of great significance, and start domestic and foreign scholars to last century all carries out in terms of high molecular material burns anti-dropping
Substantial amounts of research, but it is less to melting drippage behavioral study under material molten drippage characteristic especially Fire Conditions at present, commonly use
Test method only has GB/T 5455《Textile combustion performance-vertical direction char length, glow and it is remaining combustion the time measure》With
GB 4609《Plastics Combustion method for testing performance-vertical combustion》Material vertical burn test be related to during material combustion
Molten drop behavior characterization, and bias toward whether molten drop and molten drop thing ignite the qualitative evaluation of absorbent cotton, be more suitable for reality
Material product grading and screening, extremely limited to design on material structure in scientific research and formulation optimization information needed in, limitation
Further investigation to structure-activity relationship between material structure and melt-dropping property.Correlative study in recent years and standard are to existing vertical combustion
Test method gathers information and is augmented, gold brave the first drop Drain time and its quality when obtaining burning using vertical combustion
Deng meltdrop characteristic parameter, behavior is dripped by the melt for analyzing its law study polymer；Standard FZ/T 50017-2011 and specially
Basis weight of fiber is vertically lighted from sample end using identical flame in sharp CN102109508A, by record the first drip melt drip the time,
Total dissolved drip number characterization material melts drop behavior in total burning time and burning time, but the method is because by existing test equipment function
Limitation, the material molten drop information gathered are still extremely limited.
To sum up, a kind of polymeric material burning molten drop behavior characterization dress that can effectively solve prior art deficiency how is designed
Put, become for those skilled in the art's urgent need to resolve the problem of one of.
The content of the invention
In view of the above shortcomings of the prior art, the utility model provides a kind of for polymeric material burning molten drop behavior table
The device of sign.
To achieve the above object, the technical solution adopted in the utility model is as follows：
A kind of device for polymeric material burning molten drop behavior characterization, including combustion testing case, are arranged on combustion testing
Cantilever mechanism, thermocouple temperature measurement mechanism, molten drop thing collecting mechanism and combustion mechanism inside case, are arranged on outside combustion testing case
Main control cabinet, and connection combustion testing case and main control cabinet data transmission circuit；The cantilever mechanism is used to hang poly-
Compound sample and the polymer samples weight of measurement suspension in real time, the combustion mechanism is arranged on polymer samples lower part, described
Thermocouple temperature measurement mechanism is used to monitor real time temperature and measurement combustion mechanism flame temperature, the molten drop thing in combustion testing case and receives
Collecting mechanism is arranged on combustion testing bottom portion and is used to measure molten drop thing weight, record drippage initial time and molten drop thing weight in real time
Change curve, the thermocouple temperature measurement mechanism and molten drop thing collecting mechanism are connected by data transmission circuit with main control cabinet.
Specifically, the cantilever mechanism includes the cantilever that one end is connected with combustion testing box wall, with the cantilever other end
The suspension type mechanical scale of connection, the suspension type mechanical scale lower part are used to mount polymer samples.
Specifically, the molten drop thing collecting mechanism includes being used for the catch tray for collecting molten drop thing, catch tray lower part is arranged on
For measuring the electronic scale of molten drop thing weight, and be arranged between electronic scale and catch tray be used for record molten drop drippage starting when
Between and molten drop thing weight changing curve recorder, the recorder and electronic scale pass through data transmission circuit and main control cabinet and connect
Connect.
Specifically, the thermocouple temperature measurement mechanism includes being arranged on combustion testing box top for monitoring in combustion testing case
First thermocouple thermometer of real time temperature, and be arranged on and be used to measuring the of combustion mechanism flame temperature above combustion mechanism
Two thermocouple thermometers, tell that the first thermocouple thermometer and the second thermocouple thermometer pass through data transmission circuit and main control
Cabinet connects.
Specifically, the combustion mechanism includes the support arm being connected with combustion testing chamber interior wall, it is in 135 ° of angles with support arm
The burner of connection, the burner are provided with the ignition being connected with main control cabinet.
Further, the combustion testing case front is provided with switch gate, and insulating refractory glass is provided with the switch gate
Glass.
Compared with prior art, the utility model has the advantages that：
(1) the utility model thermocouple temperature measurement mechanism sets two thermocouple thermometers, can monitor combustion testing case in real time
In temperature and combustion flame temperature, there is provided the relation in research material combustion process between melting drippage and temperature change
Foundation；
(2) molten drop thing collecting mechanism sets electronic scale and the recorder being arranged between electronic scale and catch tray, can remember in real time
Record the weight and molten drop drippage initial time and molten drop thing weight changing curve of molten drop thing；
(3) cantilever mechanism is provided with suspension type mechanical scale, can measure the initial weight and molten drop behavior knot of polymer samples
Weight after beam, can also measure the weight of polymer samples in molten drop action process in real time, easy to establish molten drop thing by device
With the relation between quality of materials loss during burning；
(4) support arm can effectively avoid molten drop thing from dropping onto on combustion mechanism with burner in 135 ° of angles；
(5) combustion testing case front sets switch gate, easy to place and take out polymeric material sample, is also convenient for maintenance burning
Component inside test box, glass is set on switch gate, and convenient observation burning molten drop behavior also allows for reading mechanical scale reading；
(6) recorder, electronic scale, the first thermocouple thermometer, the second thermocouple thermometer, ignition and main control
Cabinet connects so that the data monitored in real time can be stored and shown on main control cabinet, also allow for electrical fire.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model.
Wherein, reference numeral is corresponding entitled：
1- combustion testing casees, 2- main control cabinets, 3- data transmission circuits, 4- polymer samples, 5- cantilevers, 6- suspension type machines
Tool scale, 7- catch trays, 8- electronic scales, 9- recorders, the first thermocouple thermometers of 10-, the second thermocouple thermometers of 11-, 12- branch
Brace, 13- burners.
Embodiment
The utility model is described in further detail with embodiment for explanation below in conjunction with the accompanying drawings, the embodiment of the utility model
Include but are not limited to following embodiments.
As shown in Figure 1, a kind of device for polymeric material burning molten drop behavior characterization, including combustion testing case 1, cantilever
Mechanism, thermocouple temperature measurement mechanism, molten drop thing collecting mechanism, combustion mechanism, main control cabinet 2, data transmission circuit 3；Wherein, cantilever
Mechanism includes the cantilever 5 that one end is connected with combustion testing box wall, and the suspension type mechanical scale 6 being connected with 5 other end of cantilever, melts
Drop thing collecting mechanism includes being used for the catch tray 7 for collecting molten drop thing, is arranged on 7 lower part of catch tray and is used to measure molten drop thing weight
Electronic scale 8, and be arranged between electronic scale 8 and catch tray 7 and be used to record molten drop drippage initial time and the change of molten drop thing weight
Change the recorder 9 of curve, thermocouple temperature measurement mechanism includes being arranged on the top of combustion testing case 1 for monitoring in combustion testing case 1
First thermocouple thermometer 10 of real time temperature, and be arranged on above combustion mechanism and be used to measure combustion mechanism flame temperature
Second thermocouple thermometer 11, combustion mechanism include the support arm 12 being connected with 1 inner wall of combustion testing case, are in support arm 12
The burner 13 of 135 ° of angle connections.
Cantilever mechanism, thermocouple temperature measurement mechanism, molten drop thing collecting mechanism and combustion mechanism are arranged on the interior of combustion testing case 1
Portion, main control cabinet 2 are arranged on the outside of combustion testing case 1, and data transmission circuit 3 connects combustion testing case 1 and main control cabinet 2,
Combustion mechanism is arranged on 4 lower part of polymer samples, and molten drop thing collecting mechanism is arranged on 1 bottom of combustion testing case, thermocouple temperature measurement
Mechanism and molten drop thing collecting mechanism are connected by data transmission circuit 3 with main control cabinet 2.6 lower part of suspension type mechanical scale is used to hang
Graft (co) polymers sample 4 and 4 weight of polymer samples of measurement suspension in real time, recorder 9 and electronic scale 8 pass through data transmission circuit
3 are connected with main control cabinet 2, tell that the first thermocouple thermometer 10 and the second thermocouple thermometer 11 pass through data transmission circuit 3
It is connected with main control cabinet 2, burner 13 is provided with the ignition being connected with main control cabinet 2, and the front of combustion testing case 1 is set
There is switch gate, insulating refractory glass is provided with switch gate.
The utility model can monitor the temperature of the temperature and combustion flame in combustion testing case in real time, can record molten drop in real time
Weight, molten drop drippage initial time and the molten drop thing weight changing curve of thing, can measure the initial weight of polymer samples and melt
Weight after drop behavior, measures the weight of polymer samples in molten drop action process in real time；Main control cabinet can be stored and shown
Show the data monitored in real time.Using a variety of data of the utility model record so as to polymeric material under true burning condition
The structure-activity relationship of molten drop behavior and its molten drop behavior are simulated and researched and analysed.
Above-described embodiment is only one of preferred embodiment of the utility model, should not be taken to limit the utility model
Protection domain, all body design thought in the utility model and that mentally makes have no the change of essential meaning or polishing,
The technical problem that it is solved is still consistent with the utility model, should be included in the scope of protection of the utility model it
It is interior.
Claims (6)
- A kind of 1. device for polymeric material burning molten drop behavior characterization, it is characterised in that including combustion testing case (1), if Cantilever mechanism, thermocouple temperature measurement mechanism, molten drop thing collecting mechanism and the combustion mechanism inside combustion testing case are put, is arranged on combustion Burn the main control cabinet (2) outside test box, and the data transmission circuit (3) of connection combustion testing case and main control cabinet；It is described Cantilever mechanism is used for the polymer samples weight of suspension polymerisation thing sample (4) and measurement suspension in real time, and the combustion mechanism is set In polymer samples lower part, the thermocouple temperature measurement mechanism is used to monitor real time temperature and measurement combustion mechanism in combustion testing case Flame temperature, the molten drop thing collecting mechanism are arranged on combustion testing bottom portion and are used to measure molten drop thing weight, record drop in real time Fall initial time and molten drop thing weight changing curve, the thermocouple temperature measurement mechanism and molten drop thing collecting mechanism pass through data transfer Circuit is connected with main control cabinet.
- A kind of 2. device for polymeric material burning molten drop behavior characterization according to claim 1, it is characterised in that institute Stating cantilever mechanism includes the cantilever (5) that one end is connected with combustion testing box wall, the suspension type machine being connected with the cantilever other end Tool scale (6), the suspension type mechanical scale lower part are used to mount polymer samples.
- A kind of 3. device for polymeric material burning molten drop behavior characterization according to claim 1, it is characterised in that institute Stating molten drop thing collecting mechanism includes being used for the catch tray (7) for collecting molten drop thing, is arranged on catch tray lower part and is used to measure molten drop thing The electronic scale (8) of weight, and be arranged between electronic scale and catch tray and be used to record molten drop drippage initial time and molten drop thing The recorder (9) of weight changing curve, the recorder and electronic scale are connected by data transmission circuit with main control cabinet.
- A kind of 4. device for polymeric material burning molten drop behavior characterization according to claim 1, it is characterised in that institute Stating thermocouple temperature measurement mechanism includes being arranged on the first heat that combustion testing box top is used to monitor real time temperature in combustion testing case Dipole thermometer (10), and be arranged on and be used for the second electric thermo-couple temperature for measuring combustion mechanism flame temperature above combustion mechanism Count (11), tell that the first thermocouple thermometer and the second thermocouple thermometer are connected by data transmission circuit with main control cabinet.
- A kind of 5. device for polymeric material burning molten drop behavior characterization according to claim 1, it is characterised in that institute The support arm (12) that combustion mechanism includes being connected with combustion testing chamber interior wall is stated, is in the burner that 135 ° of angles are connected with support arm (13), the burner is provided with the ignition being connected with main control cabinet.
- A kind of 6. device for polymeric material burning molten drop behavior characterization according to claim 1, it is characterised in that institute State combustion testing case front and be provided with switch gate, insulating refractory glass is provided with the switch gate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721258528.4U CN207231941U (en) | 2017-09-28 | 2017-09-28 | A kind of device for polymeric material burning molten drop behavior characterization |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721258528.4U CN207231941U (en) | 2017-09-28 | 2017-09-28 | A kind of device for polymeric material burning molten drop behavior characterization |
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| CN207231941U true CN207231941U (en) | 2018-04-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107515171A (en) * | 2017-09-28 | 2017-12-26 | 公安部四川消防研究所 | A kind of device and its characterizing method characterized for polymeric material burning molten drop behavior |
| CN114441371A (en) * | 2021-03-16 | 2022-05-06 | 马继荃 | Material comparison method for material processing |
-
2017
- 2017-09-28 CN CN201721258528.4U patent/CN207231941U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107515171A (en) * | 2017-09-28 | 2017-12-26 | 公安部四川消防研究所 | A kind of device and its characterizing method characterized for polymeric material burning molten drop behavior |
| CN114441371A (en) * | 2021-03-16 | 2022-05-06 | 马继荃 | Material comparison method for material processing |
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