CN201589760U - Dangerous article self-heating detector - Google Patents
Dangerous article self-heating detector Download PDFInfo
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- CN201589760U CN201589760U CN200920277725XU CN200920277725U CN201589760U CN 201589760 U CN201589760 U CN 201589760U CN 200920277725X U CN200920277725X U CN 200920277725XU CN 200920277725 U CN200920277725 U CN 200920277725U CN 201589760 U CN201589760 U CN 201589760U
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Abstract
The utility model discloses a dangerous article self-heating detector, which comprises a temperature controllable box body, a temperature acquisition analysis system and a sample container, wherein the sample container is arranged in the temperature controllable box body which controls and regulates temperature in the box body, and the temperature acquisition analysis system acquires temperature in the box body and analyzes data. The temperature controllable box body is used for heating box internal space, temperature is transferred by the sample container which is distributed with meshes, samples in the sample container can be heated slowly and uniformly, environment conditions of samples during actual using, transporting and storing processes are simulated, and affection of environmental temperature onto temperature of samples is tested, thereby achieving sample self-heating detection. The whole detector provides important means and reliable evidence for dangerous article self-heating detection and fills the gap of national dangerous article self-heating detection equipment.
Description
Technical field
The utility model relates to a kind of dangerous material checkout equipment, belongs to the checkout equipment field, particularly a kind of dangerous material self-heating property detector.
Background technology
Self-heating property is a kind of hazard property that article self exist, it be meant self-heating material or potpourri be by with air reaction and noenergy supply, be easy to solid, liquid substance or the potpourri of self-heating, rather than spontaneous combustible substance, this material or potpourri only catch fire at a large amount of (several kilograms) and cycle long period (a few hours or a couple of days) Shi Caihui.Material with this specific character all should note grasping its temperature variation at any time in packed and transported, storage process, prevent from thermal phenomenon.At present, the most of products in the life all have certain self-heating property, be the temperature range difference of self-heating, but its potential hazard are present in around us all the time.Not because people's not understanding to these class material self-heating property characteristics, its harmfulness never receives everybody concern, under the particularly now domestic condition of going back unified examination criteria of neither one and detection technique, brought huge trouble for this class material self-heating property extent of injury of qualitative judgement, also can't accurately implement the safety prevention measure of this class material under transportation, storage, service condition, the possibility that unexpected storms is taken place increases.Do not have unified dangerous material checkout equipment and examination criteria, directly influenced the development of dangerous material self-heating property hazard detection technology and the enforcement of concrete safeguard procedures, give the major hidden danger of having buried of accident.Design one cover is complete, the detecting instrument of science, whether dangerous material is had self-heating property detect, and the self-heating property danger classes is qualitatively judged, and carries out the primary prevention and the safeguard procedures of dangerous material, just becomes problem to be solved in the utility model.
Summary of the invention
In view of the foregoing, the utility model aim to provide a kind of simple to operate, easy to use, detect data dangerous material self-heating property detecting instrument accurately and reliably.
The utility model is achieved through the following technical solutions:
Described dangerous material self-heating property detector, comprise controllable temperature casing, temperature acquisition analytic system and sample receiver, sample receiver is arranged in the controllable temperature casing, and the controllable temperature casing carries out temperature controlling and adjusting in the casing, and the temperature acquisition analytic system is gathered in the casing temperature line data analysis of going forward side by side.
Described controllable temperature casing is a baking oven.
Described temperature acquisition analytic system comprises temperature sensor, temperature acquisition instrument and temperature monitor, and temperature sensor is gathered specimen temperature in interior air themperature of controllable temperature casing and the sample receiver respectively; Described temperature acquisition instrument is collected the temperature data of temperature sensor collection and is shown in temperature monitor.
Described temperature sensor is two thermopairs.
Described sample receiver comprises chamber of being with door and sample cell and the sample cover that is arranged in chamber, and chamber is positioned at the controllable temperature casing, is evenly distributed with mesh on chamber, sample cell and the sample cover, and the sample cover is buckled on the sample cell.
The shape of cross section of described sample cell and sample cover is a U-shaped.
Dangerous material self-heating property detector described in the utility model, utilize the controllable temperature casing that space in the casing is heated, carry out temperature transfer by the sample receiver that is evenly distributed with mesh, effectively limiting under the prerequisite that heating plate directly influences sample temperature in the controllable temperature casing, make slow, the thermally equivalent of sample in the sample receiver, simulated the situation of sample environment of living in actual use, transportation, storing process, verify environment temperature to the influence that sample temperature brings, reached the purpose that the sample self-heating property is detected.Whole detecting instrument use is simple, easy to operate, control is flexible, and the temperature curve that forms on the temperature monitor is directly perceived, accurate, for the detection of dangerous material self-heating property provides important means and reliable basis, has filled up the blank of national dangerous material self-heating property checkout equipment.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
Be further described below in conjunction with 1 pair of the utility model of accompanying drawing:
Dangerous material self-heating property detector described in the utility model comprises controllable temperature casing 1, temperature acquisition analytic system and sample receiver.Wherein, controllable temperature casing 1 is a baking oven, and baking oven carries out temperature control by the electric hot plate that distributes on the inwall and regulates, and guarantees the even of the interior temperature of casing.Sample receiver is positioned at the bottom centre of controllable temperature casing 1, sample receiver comprises the chamber 2 of a band door and is arranged in the sample cell 4 and the sample cover 3 of chamber 2, chamber 2 is fixed on the bottom centre in the controllable temperature casing 1, sample cell 4 and sample cover 3 are placed in the chamber 2, be evenly distributed with mesh 8 on chamber 2, sample cell 4 and the sample cover 3, mesh 8 makes the temperature in the controllable temperature casing 1 evenly import in chamber 2, sample cell 4 and the sample cover 3 from all directions, has guaranteed that the temperature of chamber 2, sample cell 4 and sample cover 3 is even.Be subjected to directly influencing of heating plate heating-up temperature for further reducing sample 9 temperature, slow down heat transfer process, it is the cup-shaped of U-shaped that the shaped design of sample cell 4 and sample cover 3 has become shape of cross section, and sample cover 3 is buckled on the sample cell 4, make sample 9 in the sample cell 4 be in the space of a relative closure, can only make sample 9 heating-up temperatures more even, reliable by equally distributed mesh 8 on chamber 2, sample cell 4 and the sample cover 3 and the extraneous temperature transfer that keeps.The temperature acquisition analytic system comprises temperature sensor, temperature acquisition instrument 6 and temperature monitor 7, temperature sensor is two thermopairs 5, two thermopairs 5 lay respectively in the sample receiver controllable temperature casing 1 outward and on the sample 9 in the sample cell 4, the sample temperature that it is used for gathering air themperature and sample receiver in the controllable temperature casing 1 makes the testing process of simulated environment temperature and sample 9 self temperature true, accurately.Temperature acquisition instrument 6 and temperature monitor 7 are positioned at outside the controllable temperature casing 1, the temperature data that temperature acquisition instrument 6 is gathered two thermopairs 5 by lead collects and the formation temperature curve shows in temperature monitor 7, whether the operator has the danger classes of self-heating property and self-heating property by temperature curve with regard to decidable sample 9, to determine sample 9, guarantee safety, reliably in the preventive measure that use, transportation, storing process institute should take.
In the actual test process, at first in sample cell 4, pack into 100 millimeters cuboid sample, by baking oven the temperature inside the box is heated to 140 ℃, kept 24 hours, survey temperature in sample and the baking oven by two thermopairs 5, after temperature acquisition instrument 6 is gathered, is analyzed, on temperature monitor 7, reflect with curve form, if the two temperature difference is greater than 60 ℃, show that then institute's test specimen 9 has self-heating property, need to carry out corresponding protection measure construction the safe and reliable use of ability according to the concrete data that show on the temperature monitor 7; If not greater than 60 ℃; then reduce sample 9 experiment quantity; change 25 millimeters the cuboid sample of in sample cell 4, packing into into; continue to be heated to 140 ℃; kept 24 hours; if show in the temperature monitor 7 that the temperature difference is greater than 60 ℃; show that then sample 9 has self-heating property; otherwise; echelon changes heating-up temperature, selects for use 100 millimeters cuboid sample to heat at 120 ℃ and 100 ℃ respectively; temperature difference situation is observed in insulation; thereby determine that finally whether sample 9 has self-heating property and the affiliated danger classes of self-heating property, is the transportation in later stage; storage; use provides the foundation of implementing safeguard measure.Because test process is finished in the baking oven of relative closure fully, and the test specimen 9 that is arranged in chamber 2, sample cell 4 and sample cover 3 can only carry out heat transferred with the external world by mesh 8, effectively guaranteed the homogeneity of heat transferred, real simulation the behaviour in service of sample 9 at actual environment, test result is accurate and effective.Certainly, the controlled variable in the above-mentioned test process is an imbody of process of the test, and its numerical value can correspondingly be adjusted, and repeats no more herein.
Claims (6)
1. dangerous material self-heating property detector, it is characterized in that, comprise controllable temperature casing, temperature acquisition analytic system and sample receiver, described sample receiver is arranged in the controllable temperature casing, the controllable temperature casing carries out temperature controlling and adjusting in the casing, and the temperature acquisition analytic system is gathered in the casing temperature line data analysis of going forward side by side.
2. dangerous material self-heating property detector according to claim 1 is characterized in that described controllable temperature casing is a baking oven.
3. dangerous material self-heating property detector according to claim 1, it is characterized in that, described temperature acquisition analytic system comprises temperature sensor, temperature acquisition instrument and temperature monitor, and described temperature sensor is gathered specimen temperature in interior air themperature of controllable temperature casing and the sample receiver respectively; Described temperature acquisition instrument is collected the temperature data of temperature sensor collection and is shown in temperature monitor.
4. dangerous material self-heating property detector according to claim 3 is characterized in that, described temperature sensor is two thermopairs.
5. dangerous material self-heating property detector according to claim 1, it is characterized in that, described sample receiver comprises the chamber of band door and is arranged in the sample cell and the sample cover of chamber, described chamber is positioned at the controllable temperature casing, be evenly distributed with mesh on chamber, sample cell and the sample cover, the sample cover is buckled on the sample cell.
6. dangerous material self-heating property detector according to claim 5 is characterized in that the shape of cross section of described sample cell and sample cover is a U-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920277725XU CN201589760U (en) | 2009-12-01 | 2009-12-01 | Dangerous article self-heating detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920277725XU CN201589760U (en) | 2009-12-01 | 2009-12-01 | Dangerous article self-heating detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201589760U true CN201589760U (en) | 2010-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920277725XU Expired - Fee Related CN201589760U (en) | 2009-12-01 | 2009-12-01 | Dangerous article self-heating detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201589760U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914236A (en) * | 2015-06-23 | 2015-09-16 | 晋中市纺织机械产品质量监督检验中心 | Movable biological and chemical experiment test box with fixed space |
| 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 |
-
2009
- 2009-12-01 CN CN200920277725XU patent/CN201589760U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914236A (en) * | 2015-06-23 | 2015-09-16 | 晋中市纺织机械产品质量监督检验中心 | Movable biological and chemical experiment test box with fixed space |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100922 Termination date: 20131201 |