CN103529163B - A kind of portable oxygen index testing arrangement and using method - Google Patents
A kind of portable oxygen index testing arrangement and using method Download PDFInfo
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- CN103529163B CN103529163B CN201310519670.XA CN201310519670A CN103529163B CN 103529163 B CN103529163 B CN 103529163B CN 201310519670 A CN201310519670 A CN 201310519670A CN 103529163 B CN103529163 B CN 103529163B
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Abstract
The present invention relates to belong to the technical field that material combustion requisite oxygen index is tested, particularly a kind of portable oxygen index testing arrangement and using method. This portable oxygen index testing arrangement and using method, comprise cabinet, cabinet connects oxygen-nitrogen mixture bottle by gas flexible pipe, oxygen-nitrogen mixture body in oxygen-nitrogen mixture bottle is sent into by gas flexible pipe in the combustion barrel of cabinet, light sample, record the numerical value of gas flow meter, sample is burned to the numerical value that again records gas flow meter after graticule, so can calculate the oxygen index value of material. The invention has the beneficial effects as follows: be convenient to manufacture and carry transport, simple operation, cost low, be suitable for on-the-spot test fire-retardant heat-insulation material oxygen index (OI), changed the present situation that the oxygen index (OI) of material can only detect in laboratory in the past.
Description
(1) technical field
The present invention relates to belong to the technical field that material combustion requisite oxygen index is tested, particularly a kind of portableFormula oxygen index (OI) testing arrangement and using method.
(2) background technology
Oxygen index (OI) refers under defined terms, and material carries out the required hypoxemia of flaming combustion in oxygen-nitrogen mixture streamConcentration. The height of oxygen index (OI) is the important indicator of judging material fire retardant performance, and oxygen index measurer can be measured multiple materialExpect as the oxygen index (OI) of plastics, rubber, textile fabric, timber, foamed material and other polymeric material, but, under current technology,The oxygen index (OI) of material is all generally to have detected in laboratory, does not also have now a kind ofly to test oxygen index (OI) just for sceneTake formula device and using method.
(3) summary of the invention
The present invention is in order to make up the deficiencies in the prior art, provides one to be convenient to manufacture and carried transport, simple operation, makesPortable oxygen index testing arrangement and using method that valency is low, be suitable for on-the-spot test fire-retardant heat-insulation material oxygen index (OI).
The present invention is achieved through the following technical solutions:
A kind of portable oxygen index testing arrangement, comprises cabinet, and cabinet connects oxygen-nitrogen mixture bottle, its spy by gas flexible pipeLevy and be: between described gas flexible pipe and oxygen-nitrogen mixture bottle, be connected with gas flow meter, on cabinet, be provided with combustion barrel, combustion barrelTop is provided with cloche, is provided with sample locking pin in combustion barrel, and combustion barrel both sides are respectively arranged with and are installed on cabinet insideThe copper pipe thermal treatment zone and copper pipe disk around cooling zone.
Described cabinet side is provided with temp controlled meter, and temp controlled meter connects power switch, and power switch is connected with and is arranged at respectivelyThe heating power adjusting knob of cabinet side, supply socket, cabinet bottom is provided with bottom, and binding post and relay are installed on bottomDevice.
Described combustion barrel is through the cabinet top-portion apertures at cabinet top, by being arranged at the inside and outside spiral shell outside combustion barrel and in sheathLine coordinates with sheath, and combustion barrel Tong Di center is vertically fixed with vertical rod by nut, and vertical rod top is by internal thread and boltThe external screw thread of pin matches, and sample locking pin is arranged on bolt pin in order to fixing sample, and cloche top offers clocheSuitable for reading, combustion barrel top is provided with anti-gray net.
Between described combustion barrel and cabinet, be provided with locating ring, combustion barrel one side is fixed with temperature-sensing probe by nut, temperature-sensitiveProbe is connected with temperature control line.
The described cylinder end, is connected with outlet nozzle by nut, and outlet nozzle is connected with the copper pipe thermal treatment zone, the outsourcing of the copper pipe thermal treatment zoneBe provided with heating tape, between heating tape and outlet nozzle, be provided with overheat switch.
The described copper pipe thermal treatment zone was passed through hole and was connected around cooling zone with copper pipe disk, and copper pipe disk is provided with and takes out around top, cooling zoneDrawer, is placed with dry ice in drawer, drawer bottom offers some pores.
Described copper pipe disk is gentle with gas flowmeter, precision pressure adjuster, filter successively by copper pipe around cooling zoneBody snap joint is connected, and quick gas coupling connects gas flexible pipe, precision pressure adjuster be connected with gas flow adjusting knob andGas pressure fine adjustment knob.
Between described gas flexible pipe and oxygen-nitrogen mixture bottle, be connected with fast joint and gas cylinder release knob in turn, on fast joint, connectBe provided with cylinder pressure gauge.
Described cabinet enclosure interior is provided with the heat-insulation layer for dry ice insulation in the copper pipe thermal treatment zone and drawer.
A kind of portable oxygen index testing arrangement using method, is characterized in that: sample is inserted on sample locking pin, by glassGlass cover is vertically placed in sheath, and dry ice is put into drawer, turns on the power switch 11, adjusts temp controlled meter design temperature, opens gasBottle release knob, adjustments of gas pressure fine adjustment knob and gas Flow-rate adjustment button, the temperature showing according to temp controlled meter is rotated heatingPower adjusting button is lighted sample top from cloche is suitable for reading with igniter after gas temperature reaches 23 DEG C ± 2 DEG C, records gasThe numerical value of body flowmeter again reads the numerical value that records gas flow meter after sample is burned to graticule, and sample has so burntAfter can calculate the oxygen index value of this material.
The invention has the beneficial effects as follows: be convenient to manufacture and carry that transport, simple operation, cost are low, to be suitable for on-the-spot test anti-Fire insulation material oxygen index (OI), has changed the present situation that the oxygen index (OI) of material can only detect in laboratory in the past.
(4) brief description of the drawings
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Accompanying drawing 1 is main TV structure schematic diagram of the present invention;
Accompanying drawing 2 is plan structure schematic diagram of the present invention;
Accompanying drawing 3 is side-looking structural representation of the present invention;
Accompanying drawing 4 is the A-A cutaway view of accompanying drawing 2;
Accompanying drawing 5 is the B-B cutaway view of accompanying drawing 4;
In figure, 1 cabinet, 2 gas flexible pipes, 3 oxygen-nitrogen mixture bottles, 4 gas flow meters, 5 combustion barrels, 6 cloches, 7 samples are solidDetermine pin, the 8 copper pipe thermals treatment zone, 9 copper pipe disks are around cooling zone, 10 temp controlled meters, 11 power switches, 12 heating power adjusting knobs, 13 power supplysSocket, 14 bottoms, 15 binding posts, 16 relays, 17 cabinet top-portion apertures, 18 sheaths, 19 internal and external threads, at the bottom of 20,21 nuts,22 vertical rods, 23 internal threads, 24 bolt pins, 25 external screw threads, 26 samples, 27 cloches are suitable for reading, 28 anti-gray nets, 29 locating rings, 30 sensesTemperature probe, 31 temperature control lines, 32 outlet nozzles, 33 heating tapes, 34 overheat switches, 35 cross hole, 36 drawers, 37 dry ice, 38 pores,39 copper pipes, 40 gas flowmeters, 41 precision pressure adjusters, 42 filters, 43 quick gas couplings, 44 gas flows regulateButton, 45 gas pressure fine adjustment knobs, 46 fast joints, 47 gas cylinder release knobs, 48 cylinder pressure gauges, 49 heat-insulation layers.
(5) detailed description of the invention
Accompanying drawing is a kind of specific embodiment of the present invention. This embodiment comprises cabinet 1, and cabinet 1 connects oxygen by gas flexible pipe 2Nitrogen mixed gas bottle 3, is connected with gas flow meter 4 between gas flexible pipe 2 and oxygen-nitrogen mixture bottle 3, on cabinet 1, is provided with combustion barrel5, combustion barrel 5 tops are provided with cloche 6, are provided with sample locking pin 7 in combustion barrel 5, and combustion barrel 5 both sides are respectively arranged with peaceBe loaded on the copper pipe thermal treatment zone 8 of cabinet 1 inside and copper pipe disk around cooling zone 9. Cabinet 1 side is provided with temp controlled meter 10, temp controlled meter 10Connect power switch 11, power switch 11 is connected with respectively the heating power adjusting knob 12, the supply socket that are arranged at cabinet 1 side13, cabinet 1 bottom is provided with bottom 14, and binding post 15 and relay 16 are installed on bottom 14. Combustion barrel 5 pushes up through cabinet 1The cabinet top-portion apertures 17 of portion, coordinates combustion barrel with sheath 18 by the internal and external threads 19 being arranged at outside combustion barrel 5 and in sheath 185 Tong Di 20 centers are vertically fixed with vertical rod 22 by nut 21, and vertical rod 22 tops are by outside internal thread 23 and bolt pin 24Screw thread 25 matches, and sample locking pin 7 is arranged on bolt pin 24 in order to fixing sample 26, and cloche 6 tops offer glassCover suitable for readingly 27, combustion barrel 5 tops are provided with anti-gray net 28. Between combustion barrel 5 and cabinet 1, be provided with locating ring 29, combustion barrel 5 one sides are logicalCross nut 21 and be fixed with temperature-sensing probe 30, temperature-sensing probe 30 is connected with temperature control line 31. The cylinder end 20, is connected with and is given vent to anger by nut 21Mouth 32, outlet nozzle 32 is connected with the copper pipe thermal treatment zone 8, and 8 outsourcings of the copper pipe thermal treatment zone are provided with heating tape 33, heating tape 33 and outlet nozzleBetween 32, be provided with overheat switch 34. The copper pipe thermal treatment zone 8 was passed through hole 35 and was connected around cooling zone 9 with copper pipe disk, copper pipe disk around9 tops, cooling zone are provided with drawer 36, are placed with dry ice 37 in drawer 36, and drawer 36 bottoms offer some pores 38. Copper pipe diskAround cooling zone 9 by copper pipe 39 successively with gas flowmeter 40, precision pressure adjuster 41, filter 42 and quick gas coupling43 are connected, and quick gas coupling 43 connects gas flexible pipe 2, and it is gentle that precision pressure adjuster 41 is connected with gas flow adjusting knob 44Body pressure fine adjustment knob 45. Between gas flexible pipe 2 and oxygen-nitrogen mixture bottle 3, be connected with fast joint 46 and gas cylinder release knob in turn47, on fast joint 46, be connected with cylinder pressure gauge 48. Cabinet 1 enclosure interior is provided with for the copper pipe thermal treatment zone 8 and drawer 36The heat-insulation layer 49 that interior dry ice 37 is incubated.
Gas in small oxygen nitrogen mixed gas bottle 3 by gas flexible pipe 2 after quick gas coupling 43 enters filter 42Enter gas flowmeter 40 by precision pressure adjuster 41 and enter copper pipe 39 again, copper pipe 39 enters copper pipe disk through heat-insulation layer 49Around cooling zone 9, this top, region is provided with drawer 36, is placed with dry ice 37 in it, has pore 38, dry ice 37 in the bottom of drawer 36The cold air distributing enters copper pipe disk through air passing hole 38 and makes the gas cooled in copper pipe around cooling zone 9. Cooled gas is through hole35 enter the copper pipe thermal treatment zone 8, and the copper pipe in this region is surrounded by heating tape 33 outward and is provided with overheat switch 34, and gas is through outlet nozzle32 enter combustion barrel 5, are provided with gas temperature-sensing probe 30 in combustion barrel 5, and the bottom centre of combustion barrel 5 passes through nut 21 by vertical rod 22Vertical fixing, being provided with internal thread 23 can coordinate with the external screw thread 25 on bolt pin 24 at the top of vertical rod 22, in bolt pin 24Portion is vertically provided with sample locking pin 7 for fixing sample 26. In sheath 18 He outside combustion barrel 5, be provided with internal and external threads 19, in combustionBurn the outer locating ring 29 that is also provided with of cylinder 5, cabinet top-portion apertures 17 is passed on the top of combustion barrel 5, and coordinates and screw inside and outside spiral shell with sheath 18Line 19, makes combustion barrel 5 be vertically fixed on the top of cabinet 1, anti-gray net 28 and cloche 6 is housed, at machine on the top of combustion barrel 5The bottom of case 1 is provided with bottom 14, and binding post 15 and relay 16 are housed on bottom 14, and temp controlled meter 10, heating power regulateThe installations such as button 12, gas flowmeter 40, gas flow adjusting knob 44, gas pressure fine adjustment knob 45, quick gas coupling 43In the side of cabinet 3.
Sample 26 is inserted on sample locking pin 7, cloche 6 is vertically placed in sheath 18. Dry ice 37 is put into drawerIn 36, turn on the power switch 11, adjust temp controlled meter 10 design temperatures, open gas cylinder release knob 47, adjustments of gas pressure is accurate to be adjustedJoint button 45 and gas Flow-rate adjustment button 44, the temperature showing according to temp controlled meter 10 is optionally rotated heating power adjusting knob 12,Gas temperature is lighted sample 26 tops from cloche suitable for reading 27 with igniter after conforming with the regulations and requiring, and records gas flow meter 4Numerical value after sample 26 is burned to regulation graticule, again read and record gas flow meter 4 numerical value, the specified quantity of so burningAfter sample 26, calculate the oxygen index value of this material.
Test complete powered-down switch 11, close gas cylinder release knob 47, pull up quick gas coupling 43, take off cloche6, screw out bolt pin 24 etc., make like this this oxygen index (OI) testing arrangement be decomposed into oxygen-nitrogen mixture bottle 3, cabinet 1, cloche 6 etc. threePart, transport is easy to carry. This device measuring ability meets standard regulation, and complete machine cost is low, is suitable for on-the-spot test fireproof heat insulatingThe oxygen index (OI) of material. The mechano-electronic manufacturer that this device is general can manufacture.
Claims (4)
1. a portable oxygen index testing arrangement, comprises cabinet (1), and cabinet (1) connects oxygen-nitrogen mixture by gas flexible pipe (2)Bottle (3), is characterized in that: between described gas flexible pipe (2) and oxygen-nitrogen mixture bottle (3), be connected with gas flow meter (4), cabinet(1) on, be provided with combustion barrel (5), combustion barrel (5) top is provided with cloche (6), and combustion barrel is provided with sample locking pin in (5)(7), combustion barrel (5) both sides are respectively arranged with and are installed on the inner copper pipe thermal treatment zone (8) of cabinet (1) and copper pipe disk around cooling zone(9), cabinet (1) side is provided with temp controlled meter (10), and temp controlled meter (10) connects power switch (11), and power switch (11) connects respectivelyBe connected to the heating power adjusting knob (12), the supply socket (13) that are arranged at cabinet (1) side, cabinet (1) bottom is provided with bottom(14), binding post (15) and relay (16) are installed on bottom (14), copper pipe disk around cooling zone (9) comply with by copper pipe (39)Inferiorly be connected with gas flowmeter (40), precision pressure adjuster (41), filter (42) and quick gas coupling (43), gasSnap joint (43) connects gas flexible pipe (2), and precision pressure adjuster (41) is connected with gas flow adjusting knob (44) and gas is pressedPower fine adjustment knob (45), combustion barrel (5) is through the cabinet top-portion apertures (17) at cabinet (1) top, by being arranged at combustion barrel (5)Internal and external threads (19) outer and that sheath (18) is interior coordinates with sheath (18), and nut is passed through at cylinder (20) center, the end for combustion barrel (5)(21) be vertically fixed with vertical rod (22), vertical rod (22) top matches by internal thread (23) and the external screw thread (25) of bolt pin (24)Close, it is upper in order to fixing sample (26) that sample locking pin (7) is arranged at bolt pin (24), and cloche (6) top offers cloche(27) suitable for reading, combustion barrel (5) top is provided with anti-gray net (28), and the copper pipe thermal treatment zone (8) passed through hole (35) and copper pipe disk around coolingDistrict (9) is connected, and around cooling zone, (9) top is provided with drawer (36) to copper pipe disk, is placed with dry ice (37), drawer (36) in drawer (36)Bottom offers some pores (38), is connected with fast joint (46) in turn gentle between gas flexible pipe (2) and oxygen-nitrogen mixture bottle (3)Bottle release knob (47), is connected with cylinder pressure gauge (48) on fast joint (46);
Its using method is: sample (26) is inserted in to sample locking pin (7) upper, cloche (6) is vertically placed in sheath (18),Dry ice (37) is put into drawer (36), turn on the power switch (11), adjust temp controlled meter (10) design temperature, open gas cylinder switchButton (47), adjustments of gas pressure fine adjustment knob (45) and gas Flow-rate adjustment button (44), the temperature showing according to temp controlled meter (10)Degree rotates heating power adjusting knob (12), will from cloche (27) suitable for reading with igniter after gas temperature reaches 23 DEG C ± 2 DEG CLight at sample (26) top, records the numerical value of gas flow meter (4), after sample (26) is burned to graticule, again reads and record gasThe numerical value of body flowmeter (4), can calculate oxygen index value after the sample (26) that so burnt.
2. a kind of portable oxygen index testing arrangement according to claim 1, is characterized in that: described combustion barrel (5) and machineBetween case (1), be provided with locating ring (29), combustion barrel (5) one sides are fixed with temperature-sensing probe (30), temperature-sensing probe by nut (21)(30) be connected with temperature control line (31).
3. a kind of portable oxygen index testing arrangement according to claim 2, is characterized in that: the described cylinder end (20) passes through spiral shellFemale (21) are connected with outlet nozzle (32), and outlet nozzle (32) is connected with the copper pipe thermal treatment zone (8), and the copper pipe thermal treatment zone (8) outsourcing is provided withHeating tape (33), is provided with overheat switch (34) between heating tape (33) and outlet nozzle (32).
4. a kind of portable oxygen index testing arrangement according to claim 1, is characterized in that: in described cabinet (1) housingPortion is provided with the heat-insulation layer (49) for the copper pipe thermal treatment zone (8) and the interior dry ice of drawer (36) (37) insulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310519670.XA CN103529163B (en) | 2013-10-29 | 2013-10-29 | A kind of portable oxygen index testing arrangement and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310519670.XA CN103529163B (en) | 2013-10-29 | 2013-10-29 | A kind of portable oxygen index testing arrangement and using method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103529163A CN103529163A (en) | 2014-01-22 |
| CN103529163B true CN103529163B (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310519670.XA Expired - Fee Related CN103529163B (en) | 2013-10-29 | 2013-10-29 | A kind of portable oxygen index testing arrangement and using method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105467065B (en) * | 2015-12-30 | 2017-08-15 | 重庆精榜高分子材料有限公司 | A kind of oxygen index (OI) tester |
| CN107036877B (en) * | 2016-12-19 | 2023-07-14 | 长安大学 | Early-warning type temperature control and drawer type accommodating oven for asphalt mixture raw materials in laboratory |
| CN106501445B (en) * | 2016-12-24 | 2019-03-05 | 天津达元吉科技有限公司 | A kind of liftable oxygen index (OI) tester |
| CN107014948A (en) * | 2017-04-18 | 2017-08-04 | 广西丰林木业集团股份有限公司 | A kind of quick determination method of flame retardant fibre board combustibility |
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| GB1326718A (en) * | 1970-09-21 | 1973-08-15 | Michigan Chem Corp | Apparatus for the determination of flammability and smoke density of polymers |
| CN202033342U (en) * | 2011-03-16 | 2011-11-09 | 南京上元分析仪器有限公司 | Oxygen index meter for building materials |
| CN102353748A (en) * | 2011-09-22 | 2012-02-15 | 东南大学 | Oxygen index tester |
| CN203572810U (en) * | 2013-10-29 | 2014-04-30 | 山东省产品质量监督检验研究院 | Portable oxygen index test device |
-
2013
- 2013-10-29 CN CN201310519670.XA patent/CN103529163B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1326718A (en) * | 1970-09-21 | 1973-08-15 | Michigan Chem Corp | Apparatus for the determination of flammability and smoke density of polymers |
| CN202033342U (en) * | 2011-03-16 | 2011-11-09 | 南京上元分析仪器有限公司 | Oxygen index meter for building materials |
| CN102353748A (en) * | 2011-09-22 | 2012-02-15 | 东南大学 | Oxygen index tester |
| CN203572810U (en) * | 2013-10-29 | 2014-04-30 | 山东省产品质量监督检验研究院 | Portable oxygen index test device |
Non-Patent Citations (2)
| Title |
|---|
| 纺织品 燃烧性能试验 氧指数法 GB/T 5454-1997;国家技术监督局;《中华人民共和国国家标准》;19971201;"6.1 氧指数仪"部分以及图1 * |
| 阻燃纤维及其性能表征方法研究;张新民 等;《上海纺织科学》;20101231;第38卷(第12期);第46-48页 * |
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| CN103529163A (en) | 2014-01-22 |
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Granted publication date: 20160504 Termination date: 20161029 |