CN104330517B - A kind of chemicals danger of combustion level estimate device - Google Patents
A kind of chemicals danger of combustion level estimate device Download PDFInfo
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- CN104330517B CN104330517B CN201410569171.6A CN201410569171A CN104330517B CN 104330517 B CN104330517 B CN 104330517B CN 201410569171 A CN201410569171 A CN 201410569171A CN 104330517 B CN104330517 B CN 104330517B
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Abstract
The invention discloses a kind of chemicals danger of combustion level estimate device, comprise rosette, rosette support and pyroceram cover.Leave circular hole in the middle of described rosette support, rosette is fixedly mounted in the circular hole of rosette support, and the bottom of rosette support is provided with applicator support, and applicator support is provided with heating arrangement, and heating arrangement is connected with temperature controller; Described rosette is provided with thermopair, and thermopair is connected with temperature reading displayed device; Described pyroceram cover is buckled in above rosette.A certain amount of chemicals is placed on rosette, is heated to 816 DEG C, then observes and records the reaction occurred in 5 minutes, according to the danger of combustion grade of reacting phenomenon setting chemicals.
Description
Technical field
The present invention relates to chemicals Physical Danger field tests, especially a kind of chemicals danger of combustion level estimate device.
Background technology
In recent years, along with developing rapidly of China's petrochemical industry, its productive capacity and scale expand increasingly, and the chemical kind related in production run and quantity get more and more.In recent years, chemicals fire repeatedly initiation fire, explosion accident.The danger of chemicals is identified, classificating requirement is increasingly urgent.
At present, China tests for the danger of combustion of chemicals, many by test close cup flash point or combustion rate, and lacks proving installation for the chemicals that flammability is poor, cannot danger of combustion sex determination be carried out, make the accumulating of this kind of chemicals there is very large potential safety hazard.
Summary of the invention
In order to solve the deficiencies in the prior art, the present invention proposes a kind of chemicals danger of combustion level estimate device.The present invention can the danger of combustion grade of detection of chemicals under the high temperature conditions.
The present invention adopts following technical scheme:
A kind of chemicals danger of combustion level estimate device, comprise rosette, rosette support and pyroceram cover, circular hole is left in the middle of described rosette support, rosette is fixedly mounted in the circular hole of rosette support, the bottom of rosette support is provided with applicator support, applicator support is provided with heating arrangement, and heating arrangement is connected with temperature controller; Described rosette is provided with thermopair, and thermopair is connected with temperature reading displayed device; Described pyroceram cover is buckled in above rosette, leaves the space of 2.5mm between pyroceram cover and rosette support;
The temperature of temperature controller setting is 816 DEG C, and when the temperature of rosette is higher than 816 DEG C, temperature controller controls heater stop heating;
A certain amount of chemicals is placed on rosette, is heated to 816 DEG C, then observes and records the reaction occurred in 5 minutes, according to the danger of combustion grade of reacting phenomenon setting chemicals.
A kind of chemicals danger of combustion of the present invention level estimate device, described rosette is stainless steel disk, and the diameter of rosette is 50mm, and the degree of depth is 12.7mm.
A kind of chemicals danger of combustion of the present invention level estimate device, described rosette support adopts stupalith to make, and leave the circular hole of diameter 54mm in the middle of between metal, rosette is fixedly mounted in circular hole.
A kind of chemicals danger of combustion of the present invention level estimate device, described thermopair adopts chromel-alumel thermocouple, and chromel-alumel thermocouple is welded on the central authorities of rosette.
A kind of chemicals danger of combustion of the present invention level estimate device, described applicator support adopts stupalith to make.
A kind of chemicals danger of combustion of the present invention level estimate device, described temperature reading devices is temperature pot, accuracy ± 0.6 DEG C.
A kind of chemicals danger of combustion of the present invention level estimate device, also comprise ceramic thread, ceramic thread is wrapped on rosette, is fixed on by rosette on rosette support.
A kind of chemicals danger of combustion of the present invention level estimate device, described pyroceram cover external diameter is 70mm, high 230mm, and pyroceram cover is buckled in above rosette, leaves the space of 2.5mm between pyroceram cover and rosette support.
The Advantageous Effects that the present invention adopts as above technical scheme to obtain:
A kind of chemicals danger of combustion level estimate device, comprise rosette, rosette support and pyroceram cover, circular hole is left in the middle of described rosette support, rosette is fixedly mounted in the circular hole of rosette support, the bottom of rosette support is provided with applicator support, applicator support is provided with heating arrangement, and heating arrangement is connected with temperature controller; Described rosette is provided with thermopair, and thermopair is connected with temperature reading displayed device; Described pyroceram cover is buckled in above rosette.A certain amount of chemicals is placed on rosette, is heated to 816 DEG C, then observes and records the reaction occurred in 5 minutes, according to the danger of combustion grade of reacting phenomenon setting chemicals.
Accompanying drawing explanation
Fig. 1 is a kind of chemicals danger of combustion level estimate apparatus structure schematic diagram.
Embodiment
1 pair of the specific embodiment of the present invention is described further by reference to the accompanying drawings:
A kind of chemicals danger of combustion level estimate device, comprise rosette 4, rosette support 5 and pyroceram cover 6, circular hole is left in the middle of described rosette support 5, rosette 4 is fixedly mounted in the circular hole of rosette support 5, the bottom of rosette support 4 is provided with applicator support 2, applicator support 2 is provided with heating arrangement 1, and heating arrangement 1 is connected with temperature controller; Described rosette is provided with thermopair 3, and thermopair 3 is connected with temperature reading devices; Described pyroceram cover 6 is buckled in above rosette 4.
The temperature of temperature controller setting is 816 DEG C, and when the temperature of rosette 4 is higher than 816 DEG C, temperature controller controls heater stop heating.
Rosette 4 is stainless steel disk, and the diameter of rosette 4 is 50mm, and the degree of depth is 12.7mm.Rosette support 5 adopts stupalith to make, and leave the circular hole of diameter 54mm in the middle of between metal, rosette 4 is fixedly mounted in circular hole.Applicator support 2 also adopts stupalith to make.Stupalith heat resisting temperature is higher than 816 DEG C.
Thermopair 3 adopts chromel-alumel thermocouple, and chromel-alumel thermocouple is welded on the central authorities of rosette 4.Temperature reading devices is temperature pot, accuracy ± 0.6 DEG C.
A kind of chemicals danger of combustion of the present invention level estimate device, also comprise ceramic thread, ceramic thread is wrapped on rosette, is firmly fixed on rosette support by rosette.
Pyroceram cover 6 external diameter is 70mm, high 230mm, and pyroceram cover 6 is buckled in above rosette 4, leaves the space of 2.5mm between pyroceram cover 6 and rosette support 5, for the circulation of pyroceram cover 6 inner air and outer air, and the air pressure in balance pyroceram cover.
Open pyroceram cover, chemicals is placed on rosette.If chemicals is solid, spoon is adopted to add on rosette; If chemicals is liquid, syringe is adopted to add on rosette.Syringe selects Teflon top push rod syringe, and capacity is 0.5L.
A certain amount of chemicals is placed on rosette, is heated to 816 DEG C, then observes and records the reaction occurred in 5 minutes, according to the danger of combustion grade of reacting phenomenon setting chemicals.If chemicals does not have the above combustion characteristic parameter that can be divided into higher flammability rank (1 grade or higher level) such as flash-point, burning-point, spontaneous ignition temperature and sustained combustion, this chemicals can not burn when being exposed to 816 DEG C in atmosphere in 5 minutes, and this type of chemicals is divided into danger of combustion grade 0.When chemicals is due to features such as its flash-point, burning-point, spontaneous ignition temperature and sustained combustion, can burn in 5 minutes when being exposed to 816 DEG C in atmosphere, this type of chemicals will be divided into danger of combustion grade 1 or higher level.
For the danger of combustion level estimate of activated charcoal and silicon dioxide.Be placed in by activated charcoal on rosette, be heated to 816 DEG C, then observe and record the reaction occurred in 5 minutes, activated charcoal burns, by the danger classes of activated charcoal location 1.Be placed in by silicon dioxide on rosette, be heated to 816 DEG C, then observe and record the reaction occurred in 5 minutes, silicon dioxide does not burn, by the danger classes of silicon dioxide location 0.
Certainly; more than illustrate and be only preferred embodiment of the present invention; the present invention is not limited to enumerate above-described embodiment; should be noted that; any those of ordinary skill in the art are under the guidance of this instructions; made all equivalently to substitute, obvious form of distortion, within the essential scope all dropping on this instructions, protection of the present invention ought to be subject to.
Claims (7)
1. a chemicals danger of combustion level estimate device, it is characterized in that, comprise rosette, rosette support and pyroceram cover, circular hole is left in the middle of described rosette support, rosette is fixedly mounted in the circular hole of rosette support, the bottom of rosette support is provided with applicator support, and applicator support is provided with heating arrangement, and heating arrangement is connected with temperature controller; Described rosette is provided with thermopair, and thermopair is connected with temperature reading displayed device; Described pyroceram cover is buckled in above rosette, and pyroceram cover external diameter is 70mm, and high 230mm leaves the space of 2.5mm between pyroceram cover and rosette support;
The temperature of temperature controller setting is 816 DEG C, and when the temperature of rosette is higher than 816 DEG C, temperature controller controls heater stop heating;
A certain amount of chemicals is placed on rosette, is heated to 816 DEG C, then observes and records the reaction occurred in 5 minutes, according to the danger of combustion grade of reacting phenomenon setting chemicals.
2. a kind of chemicals danger of combustion level estimate device according to claim 1, it is characterized in that, described rosette is stainless steel disk, and the diameter of rosette is 50mm, and the degree of depth is 12.7mm.
3. a kind of chemicals danger of combustion level estimate device according to claim 1, is characterized in that, described rosette support adopts stupalith to make, and leave the circular hole of diameter 54mm in the middle of between metal, rosette is fixedly mounted in circular hole.
4. a kind of chemicals danger of combustion level estimate device according to claim 1, is characterized in that, described thermopair adopts chromel-alumel thermocouple, and chromel-alumel thermocouple is welded on the central authorities of rosette.
5. a kind of chemicals danger of combustion level estimate device according to claim 1, is characterized in that, described applicator support adopts stupalith to make.
6. a kind of chemicals danger of combustion level estimate device according to claim 1, it is characterized in that, described temperature reading devices is temperature pot, accuracy ± 0.6 DEG C.
7. a kind of chemicals danger of combustion level estimate device according to claim 1, it is characterized in that, also comprise ceramic thread, ceramic thread is wrapped on rosette, is fixed on by rosette on rosette support.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410569171.6A CN104330517B (en) | 2014-10-22 | 2014-10-22 | A kind of chemicals danger of combustion level estimate device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410569171.6A CN104330517B (en) | 2014-10-22 | 2014-10-22 | A kind of chemicals danger of combustion level estimate device |
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| CN104330517A CN104330517A (en) | 2015-02-04 |
| CN104330517B true CN104330517B (en) | 2016-01-20 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107340358B (en) * | 2016-12-01 | 2019-11-12 | 上海化工研究院有限公司 | A kind of chain-plate type substance combustion screening plant |
| CN108279282B (en) * | 2018-03-19 | 2024-02-09 | 中国科学技术大学 | Penetrating air flow adjustable granular activated carbon stacking combustion performance test platform |
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| WO2007097025A1 (en) * | 2006-02-27 | 2007-08-30 | Fis Inc. | Hydrogen gas sensor |
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| CN2630852Y (en) * | 2003-06-18 | 2004-08-04 | 中国石油天然气集团公司 | Heating furnace for catalytic oil syrup solid content measuring instrument |
| CN101963606A (en) * | 2009-08-10 | 2011-02-02 | 重庆川仪自动化股份有限公司 | Combustion furnace for total organic carbon (TOC) water quality automatic analyzer |
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| CN104330517A (en) | 2015-02-04 |
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