CN202351196U - Solid self-ignition temperature testing device - Google Patents
Solid self-ignition temperature testing device Download PDFInfo
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- CN202351196U CN202351196U CN2011203997930U CN201120399793U CN202351196U CN 202351196 U CN202351196 U CN 202351196U CN 2011203997930 U CN2011203997930 U CN 2011203997930U CN 201120399793 U CN201120399793 U CN 201120399793U CN 202351196 U CN202351196 U CN 202351196U
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Abstract
The utility model belongs to the field of fuel testing and analysis devices and in particular relates to a testing device for testing and analyzing solid self-ignition temperature. The solid self-ignition temperature testing device comprises a resistance furnace, a temperature control system and a sample container. The resistance furnace is composed of a furnace casing and a furnace hearth. A heat insulation layer formed by filling heat insulation materials is arranged between the furnace casing and the furnace hearth. A coiled resistance wire is arranged in a wire groove outside the furnace hearth, a base is arranged at the bottom of the furnace hearth of the resistance furnace, an opening is arranged at the top of the sample container, a cover is arranged at the top of the resistance furnace, a hole is arranged on the cover, a thermocouple is inserted into the hole, the other end of the thermocouple is inserted into the sample container, and the temperature control system is connected with the resistance furnace through a data line. The testing device can test the self-ignition temperature of solid matters conveniently and accurately and can meet requirements of development institutions for researching chemical harm and various organizations for managing and testing dangerous chemicals and the like for testing spontaneous ignition risks of the solid matters.
Description
Technical field
The utility model belongs to the test and the analytical equipment field of fuel, specifically, relates to a kind of test instrument that is used for the test of solid self-ignition temperature and analyzes.
Background technology
For chemical products, its self-ignition temperature is low more, and is fiery dangerous just big more; Therefore, industrial chemicals all should carry out the isoparametric mensuration of self-ignition temperature before producing, store and transporting, otherwise may lead to major accident; For this reason, need be a kind of simple and reasonable, easy to use and reliable; The suitable solid self-ignition temperature testing equipment of test solid-like amount satisfies the R&D institution that is engaged in chemicals harm research, is engaged in the various mechanisms of hazardous chemical management and test; Various chemical enterprises, and demand that the solid matter self-ignition fatalness is tested such as the mechanism that need test the solid matter self-ignition fatalness such as safety monitor.
The utility model content
The utility model provides a kind of solid self-ignition temperature test instrument; Temperature when reaching design temperature through measuring measured matter through self-heating in the resistance furnace furnace chamber obtains the self-ignition temperature of sample; After this testing equipment and test method design construction thereof are accomplished; Successively carried out the test of sample self-ignition temperatures such as Mancozeb, sulphur, sodium xanthogenate, activated charcoal, coal dust, timber, anti-mosquito incense sheet, the device operating position is stable in the test, can make things convenient for the self-ignition temperature of testing solid matter accurately; Can satisfy the R&D institution that is engaged in chemicals harm research; Be engaged in the various mechanisms of hazardous chemical management and test, various chemical enterprises, and demand that the solid matter self-ignition fatalness is tested such as the mechanism that need test the solid matter self-ignition fatalness such as safety monitor.
The technical scheme that the utility model adopted is:
Solid self-ignition temperature test instrument comprises resistance furnace, temperature control system and sample receiver, and said resistance furnace is made up of furnace shell and burner hearth; Be provided with between said furnace shell and the burner hearth by heat-insulating material and fill the thermal insulating warm-keeping layer that forms, be provided with the resistance wire that is coiling in the silk groove in the said burner hearth outside, the bottom of said its burner hearth of resistance furnace is provided with pedestal; Said sample receiver top is provided with opening; Said resistance furnace top is provided with lid, and said lid is provided with the hole, is provided with the thermopair of insertion in the said hole; The other end of said thermopair is inserted in the sample receiver, and said temperature control system is connected with resistance furnace through data line.
Said temperature control system is made up of the microcomputer that is provided with temperature control program.
Said sample receiver is the stainless (steel) wire matter cube structure that the top is provided with opening.
The case structure of the furnace shell of said resistance furnace for adopting the sheet steel cold-working to process; Its physical dimension is 552mm * 340mm * 538mm; The set lid in its top is a detachable lid; Said hole is arranged on the lid midway, the cylindrical structure of the burner hearth of said resistance furnace for adopting carbofrax material to process, and its inside dimension is Φ 100mm * 150mm; With the burner hearth vertical structure of pedestal for adopting silicon carbide material to process that said resistance furnace bottom is set, the set opening size in said sample receiver top is Φ 0.045mm.
The furnace shell rated temperature of said resistance furnace is 800 ℃, its burner hearth internal temperature homogeneity is controlled to be ± and 1.5 ℃.
Said thermopair is a K type thermopair.
The functional unit that said temperature control system is provided with overtemperature alarm and stops automatically heating.Its effect is when specimen temperature surpasses the security settings temperature, and the controlling resistance stove stops heating.
Compared with prior art, the advantage and the good effect of the utility model are: the solid self-ignition temperature test instrument and the test method thereof of the utility model, and its testing equipment is simple and reasonable; Easy to use and reliable, test solid-like amount is suitable, and the test method step is reasonable; The result is accurate; Convenient and safe, this testing equipment and test method design construction thereof have successively carried out the test of sample self-ignition temperatures such as Mancozeb, sulphur, sodium xanthogenate, activated charcoal, coal dust, timber, anti-mosquito incense sheet after accomplishing; The device operating position is stable in the test; Can make things convenient for the self-ignition temperature of testing solid matter accurately, can satisfy the R&D institution that is engaged in chemicals harm research, be engaged in the various mechanisms of hazardous chemical management and test; Various chemical enterprises, and demand that the solid matter self-ignition fatalness is tested such as the mechanism that need test the solid matter self-ignition fatalness such as safety monitor.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is described further:
Fig. 1 is the utility model solid self-ignition temperature test instrument structural representation;
Fig. 2 is a sample receiver deployed configuration synoptic diagram;
Fig. 3 is the temperatur-timel curve figure of the test figure of anti-mosquito incense sheet.
Fig. 4 is the temperatur-timel curve figure of the test figure of coal dust.
Fig. 5 is the temperatur-timel curve figure of the test figure of wood activated charcoal.
Fig. 6 is the temperatur-timel curve figure of the test figure of sodium hydrosulfite.
Among the figure, 1 is resistance furnace, and 2 is lid, and 3 and 5 is thermopair, and 4 is sample receiver, and 6 is pedestal, and 7 is microcomputer, and 8 is power supply, and 9 is data line.
Embodiment
Embodiment
To shown in Figure 3, solid self-ignition temperature test instrument comprises resistance furnace, temperature control system and sample receiver like Fig. 1; Said resistance furnace is made up of furnace shell and burner hearth, is provided with between said furnace shell and the burner hearth by heat-insulating material and fills the thermal insulating warm-keeping layer that forms, and is provided with the resistance wire that is coiling in the silk groove in the said burner hearth outside; The bottom of said its burner hearth of resistance furnace is provided with pedestal, and said sample receiver top is provided with opening, and said resistance furnace top is provided with lid; Said lid is provided with the hole; Be provided with the thermopair of insertion in the said hole, the other end of said thermopair is inserted in the sample receiver, and said temperature control system is connected with resistance furnace through data line; Said temperature control system is made up of the microcomputer that is provided with temperature control program; Said sample receiver is the stainless (steel) wire matter cube structure that the top is provided with opening; The case structure of the furnace shell of said resistance furnace for adopting the sheet steel cold-working to process; Its physical dimension is 552mm * 340mm * 538mm; The set lid in its top is a detachable lid; Said hole is arranged on the lid midway, the cylindrical structure of the burner hearth of said resistance furnace for adopting carbofrax material to process, and its inside dimension is Φ 100mm * 150mm; With the burner hearth vertical structure of pedestal that said resistance furnace bottom is set for adopting silicon carbide material to process, the set opening size in said sample receiver top is Φ 0.045mm; The furnace shell rated temperature of said resistance furnace is 800 ℃, its burner hearth internal temperature homogeneity is controlled to be ± and 1.5 ℃; Said thermopair is a K type thermopair; The functional unit that said temperature control system is provided with overtemperature alarm and stops automatically heating.
So in use, the solid self-ignition temperature test instrument of the utility model, its test method comprises the steps:
The first step; Place sample: the sample anti-mosquito incense sheet is filled up sample receiver, and knock gently simultaneously, filled up fully so that more sample is received in until sample receiver; Then the lid of resistance furnace is opened; The sample receiver that at room temperature will fill up sample is placed on the pedestal, top cover is built again, and at last the opening of thermopair through hole on the lid and sample receiver top is extend into the sample receiver center of filling up sample;
In second step, the default control program: to be 0.5 ℃/minute be 400 ℃ with design temperature to the inner heating rate of preset resistance stove burner hearth in temperature control system;
In the 3rd step, begin test: the temperature of resistance furnace begins to rise to design temperature according to preset heating rate, shows in real time simultaneously through temperature data in the temperature program continuous recording burner hearth and specimen temperature data, and with its form with curve map;
The 4th step; Record test figure and result: check history curve and access furnace temperature and specimen temperature record according to 10 seconds minimum interval value with the form of text; Burner hearth temperature inside when finding sample to reach design temperature through self-heating; Be the self-ignition temperature of sample, the self-ignition temperature of anti-mosquito incense sheet is 184.6 ℃.
For another example, in use, the solid self-ignition temperature test instrument of the utility model in the placement sample step of its test method, can fill up sample receiver with the sample coal dust; In record test figure and the result step, the self-ignition temperature of anti-mosquito incense sheet is 162.9 ℃, like Fig. 1, and Fig. 2 and shown in Figure 4.
In addition, in use, the solid self-ignition temperature test instrument of the utility model in the placement sample step of its test method, also can fill up sample receiver with the sample wood activated charcoal; In record test figure and the result step, the self-ignition temperature of anti-mosquito incense sheet is 245.6 ℃, like Fig. 1, and Fig. 2 and shown in Figure 5.
In addition, in use, the solid self-ignition temperature test instrument of the utility model in the placement sample step of its test method, also can fill up sample receiver with the sample wood activated charcoal; In record test figure and the result step, the self-ignition temperature of anti-mosquito incense sheet is 154.7 ℃, like Fig. 1, and Fig. 2 and shown in Figure 6.
The solid self-ignition temperature test instrument that it should be noted that the utility model should at first carry out preliminary judgement to the danger of sample to be tested before use, and explosive and the sample that contacts the meeting spontaneous combustion at normal temperatures with air should not adopt it to make an experiment.
Obviously, the foregoing description of the utility model only be for explain clearly that the utility model does for example, and be not to be qualification to the embodiment of the utility model.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here can't give exhaustive to all embodiments.Conspicuous variation that every technical scheme that belongs to the utility model is amplified out or change still are in the row of the protection domain of the utility model.
Claims (7)
1. solid self-ignition temperature test instrument comprises resistance furnace, temperature control system and sample receiver, it is characterized in that: said resistance furnace is made up of furnace shell and burner hearth; Be provided with between said furnace shell and the burner hearth by heat-insulating material and fill the thermal insulating warm-keeping layer that forms, be provided with the resistance wire that is coiling in the silk groove in the said burner hearth outside, the bottom of said its burner hearth of resistance furnace is provided with pedestal; Said sample receiver top is provided with opening; Said resistance furnace top is provided with lid, and said lid is provided with the hole, is provided with the thermopair of insertion in the said hole; The other end of said thermopair is inserted in the sample receiver, and said temperature control system is connected with resistance furnace through data line.
2. solid self-ignition temperature test instrument according to claim 1, it is characterized in that: said temperature control system is made up of the microcomputer that is provided with temperature control program.
3. solid self-ignition temperature test instrument according to claim 1 is characterized in that: said sample receiver is the stainless (steel) wire matter cube structure that the top is provided with opening.
4. solid self-ignition temperature test instrument according to claim 1; It is characterized in that: the case structure of the furnace shell of said resistance furnace for adopting the sheet steel cold-working to process; Its physical dimension is 552mm * 340mm * 538mm, and the set lid in its top is a detachable lid, and said hole is arranged on the lid midway; The cylindrical structure of the burner hearth of said resistance furnace for adopting carbofrax material to process; Its inside dimension is Φ 100mm * 150mm, with the burner hearth vertical structure of pedestal that said resistance furnace bottom is set for adopting silicon carbide material to process, and the set opening size in said sample receiver top is Φ 0.045mm.
5. solid self-ignition temperature test instrument according to claim 4 is characterized in that: the furnace shell rated temperature of said resistance furnace is 800 ℃, its burner hearth internal temperature homogeneity is controlled to be ± and 1.5 ℃.
6. solid self-ignition temperature test instrument according to claim 1 is characterized in that: said thermopair is a K type thermopair.
7. solid self-ignition temperature test instrument according to claim 1 is characterized in that: the functional unit that said temperature control system is provided with overtemperature alarm and stops automatically heating; Its effect is when specimen temperature surpasses the security settings temperature, and the controlling resistance stove stops heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203997930U CN202351196U (en) | 2011-10-19 | 2011-10-19 | Solid self-ignition temperature testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203997930U CN202351196U (en) | 2011-10-19 | 2011-10-19 | Solid self-ignition temperature testing device |
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| CN202351196U true CN202351196U (en) | 2012-07-25 |
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| CN2011203997930U Expired - Lifetime CN202351196U (en) | 2011-10-19 | 2011-10-19 | Solid self-ignition temperature testing device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507631A (en) * | 2011-10-19 | 2012-06-20 | 中国石油化工股份有限公司 | Solid autoignition temperature tester and test method thereof |
| WO2017024426A1 (en) * | 2015-08-07 | 2017-02-16 | 太仓市隆纺油剂有限公司 | Apparatus for testing smoking temperature of various raw materials in oil agent |
| CN108872303A (en) * | 2018-06-07 | 2018-11-23 | 广东工业大学 | A kind of spontaneous combustion curve detection system of self-heating substance |
| CN110487843A (en) * | 2019-09-27 | 2019-11-22 | 汇乐因斯福环保安全研究院（苏州）有限公司 | A kind of minimum ignition temperature test device of dust layer and method |
-
2011
- 2011-10-19 CN CN2011203997930U patent/CN202351196U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507631A (en) * | 2011-10-19 | 2012-06-20 | 中国石油化工股份有限公司 | Solid autoignition temperature tester and test method thereof |
| WO2017024426A1 (en) * | 2015-08-07 | 2017-02-16 | 太仓市隆纺油剂有限公司 | Apparatus for testing smoking temperature of various raw materials in oil agent |
| CN108872303A (en) * | 2018-06-07 | 2018-11-23 | 广东工业大学 | A kind of spontaneous combustion curve detection system of self-heating substance |
| CN108872303B (en) * | 2018-06-07 | 2023-09-01 | 广东工业大学 | Spontaneous combustion curve detecting system of self-heating substance |
| CN110487843A (en) * | 2019-09-27 | 2019-11-22 | 汇乐因斯福环保安全研究院（苏州）有限公司 | A kind of minimum ignition temperature test device of dust layer and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120725 |
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| CX01 | Expiry of patent term |