CN203824975U - Dust layer smoldering temperature testing experiment device - Google Patents
Dust layer smoldering temperature testing experiment device Download PDFInfo
- Publication number
- CN203824975U CN203824975U CN201420128085.7U CN201420128085U CN203824975U CN 203824975 U CN203824975 U CN 203824975U CN 201420128085 U CN201420128085 U CN 201420128085U CN 203824975 U CN203824975 U CN 203824975U
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- Prior art keywords
- temperature
- dust layer
- heating plate
- data acquisition
- acquisition system
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- Expired - Lifetime
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- 239000000428 dust Substances 0.000 title claims abstract description 38
- 238000012360 testing method Methods 0.000 title claims abstract description 38
- 238000002474 experimental method Methods 0.000 title abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- 238000009529 body temperature measurement Methods 0.000 abstract 3
- 238000005259 measurement Methods 0.000 abstract 1
- 238000005070 sampling Methods 0.000 abstract 1
- 239000000523 sample Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000011172 small scale experimental method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The utility model relates to a dust layer smoldering temperature testing experiment device, and mainly solves the problems of low automation degree and complicated operation in the prior art. The dust layer smoldering temperature testing experiment device comprises a heater (5), a heating plate (6), a sampling ring (1), a data acquisition system (7) and a temperature measurement element, wherein the lower surface of the heating plate (6) is connected with the upper surface of the heater (5); the sample ring (1) is arranged on the upper surface of the heating plate (6); the temperature measurement element is arranged in the heating plate (6); a measurement signal data wire of the temperature measurement element, a temperature control signal data wire of the heater (5) and a data acquisition card in the data acquisition system (7) are connected; a camera (8) is positioned above the sample ring (1). As a technical scheme in which a video wire (9) is connected with a host of the data acquisition system (7) is adopted, the dust layer smoldering temperature testing experiment device can be used in a dust layer smoldering temperature testing experiment.
Description
Technical field
The utility model relates to a kind of dust layer temperature test test unit that glows.
Background technology
The long-time dust of piling up may glow, especially in severe external environment condition such as ventilation condition is bad, environment temperature more easily generation naturally higher in the situation that.
In industrial processes, often there is the accumulation of dust, may occur in device interior in this situation also likely occurs on the surface of device external, all inevitably to produce in process of production certain temperature rise on the surface of rotatable parts, the surface of sliding friction place, surface of electric equipment etc., this situation is easy to cause that the sedimentating dust of equipment surface glows, thereby becomes incendiary source initiation fire or blast.
Yu Ming is high at " the change of temperature field rule of glowing under different heat interchange conditions research " (" China Mining University's journal " 684-690 page, the 5th phase in 2011) in by building small-scale experiment platform, choose the material of different length and thickness, change and extraneous heat transfer boundary condition, inquire into polyurethane foamed material glowing and to the Changing Pattern in temperature field in naked light conversion process.
The existing dust layer temperature test test unit that glows all exists that automaticity is not high, the problem of complicated operation, and the utility model has solved this problem targetedly.
Utility model content
Technical problem to be solved in the utility model is the problem of not high, the complicated operation of automaticity in prior art, and a kind of new dust layer temperature test test unit that glows is provided.This device is for glow temperature test test of dust layer, have advantages of simple to operate, reliable and stable, automaticity is high.
For addressing the above problem, the technical solution adopted in the utility model is as follows: a kind of dust layer temperature test test unit that glows, comprise well heater (5), heating plate (6), sample loop (1), data acquisition system (DAS) (7) and temperature-measuring element, described heating plate (6) lower surface is connected with well heater (5) upper surface, sample loop (1) is placed in heating plate (6) upper surface, temperature-measuring element is placed in heating plate (6), the measuring-signal data line of temperature-measuring element, the temperature signal data line of well heater (5) is connected with the data collecting card in data acquisition system (DAS) (7), device for shooting (8) is positioned at sample loop (1) top, be connected with the main frame of data acquisition system (DAS) (7) by video line (9).
In technique scheme, preferably, described temperature-measuring element is thermopair, comprise well heater (5) thermopair for temperature control (3), heating plate (6) galvanic couple for thermograph (4), be connected with the data collecting card in data acquisition system (DAS) (7) by temperature control line (11), call wire (10) respectively.
In technique scheme, preferably, described data acquisition is positioned in the main frame of data acquisition system (DAS) (7).
In technique scheme, preferably, described sample loop (1) is highly 3～7mm.
In technique scheme, preferably, described sample loop (1) is positioned over the uniform position of heating plate (6) upper surface temperature.
In technique scheme, preferably, described data acquisition system (DAS) (7) comprises the utility appliance such as main frame, display, data collecting card and keyboard, mouse.
In the utility model, described dust layer temperature occurs glowing while exceeding probe temperature 10K, Ignition Phenomena, is the temperature of glowing of dust; Described heating plate (6) material is aluminium or stainless steel, is circle; In the main frame of described data acquisition system (DAS) (7), specialized procedure is installed, is provided with temperature alarm, the operations such as robotization is heated, record, shooting.
The utility model dust layer glow the technical requirement of temperature test reached DIN VDI2263 in the requirement of the inflammable temperature test test method of dust, this device simplicity of design, easily operation, service condition is stable, automaticity is high, can facilitate the temperature of glowing of test sample accurately, obtain good technique effect.
Brief description of the drawings
Fig. 1 is the structural representation of device described in the utility model.
1-sample loop; 2-powder sample; 3-well heater temperature control thermopair; The warm plate temperature record of 4-galvanic couple; 5-well heater; 6-heating plate; 7-data acquisition system (DAS); 8-device for shooting; 9-video line; 10-call wire; 11-temperature control line.
Below by embodiment, the utility model is further elaborated, but is not limited only to the present embodiment.
Embodiment
[embodiment 1]
On device as shown in Figure 1, mainly formed by circular heating plate and well heater.Circular heating plate is made up of aluminium or stainless steel material, 200 millimeters of diameters, and thickness is not less than 20 millimeters.Heating plate is heated by the well heater of bottom.Heater power is 2～3 kilowatts, and the temperature of heating plate and sample is controlled and record by temperature control thermopair and pen recorder control thermopair.Each thermopair is connected with the data collecting card of data acquisition system (DAS) by data line.Device for shooting is positioned at the top of sample loop, can take whole process of the test, and the video file of shooting is stored in data acquisition system (DAS).
Be that 100 millimeters, thickness are that the dust layer of 5 millimeters is placed on circular heating plate with sample loop by diameter, plate to be heated temperature rises to after set temperature, the phenomenon such as whether burn in observing samples, glow.Dust layer temperature occurs glowing while exceeding probe temperature 10K, Ignition Phenomena, is the temperature of glowing of dust.
While using this device, need in fuming cupboard, test, exhaust system should be suitable for absorbing poisonous flue gas, then tests according to the following step:
1, opening device power supply;
2, on heating plate, place the becket that a desired height is 5mm, dust to be measured is added in ring, and laterally naturally strike off with link plate, then take becket away;
3, setting heating-up temperature is that hot plate is wanted heating-up temperature;
4, the data acquisition system (DAS) that unlatching connects with proving installation, log-on data gathers specific program, starts to record the temperature of heating plate and dust layer inside;
5, under set temperature, observe 2 hours, observe the reaction of dust layer, occur glowing, Ignition Phenomena in the time that dust layer temperature exceeds probe temperature 10K, think that dust layer glows, this set temperature is the temperature of glowing of dust layer;
If 6 dust layers do not exceed probe temperature 10K, hot plate temperature is improved to 10K, continue the experiment of above 2 to 5 steps;
If 7 dust layers exceed probe temperature 10K, hot plate temperature is reduced to 10K, continue the experiment of above 2 to 4 steps;
8, repeat 5,6,7 steps until find the minimum temperature of glowing of dust layer.
This device dust layer glow the technical requirement of temperature test reached DIN VDI2263 in the requirement of the inflammable temperature test test method of dust, this device simplicity of design, service condition is stable, can facilitate the temperature of glowing of test sample accurately, has obtained good technique effect.
Claims (6)
1. the dust layer temperature test test unit that glows, comprise well heater (5), heating plate (6), sample loop (1), data acquisition system (DAS) (7) and temperature-measuring element, described heating plate (6) lower surface is connected with well heater (5) upper surface, sample loop (1) is placed in heating plate (6) upper surface, temperature-measuring element is placed in heating plate (6), the measuring-signal data line of temperature-measuring element, the temperature signal data line of well heater (5) is connected with the data collecting card in data acquisition system (DAS) (7), device for shooting (8) is positioned at sample loop (1) top, be connected with the main frame of data acquisition system (DAS) (7) by video line (9).
2. the dust layer temperature test test unit that glows according to claim 1, it is characterized in that described temperature-measuring element is thermopair, comprise well heater (5) thermopair for temperature control (3), heating plate (6) galvanic couple for thermograph (4), be connected with the data collecting card in data acquisition system (DAS) (7) by temperature control line (11), call wire (10) respectively.
3. the dust layer temperature test test unit that glows according to claim 1, is characterized in that described data acquisition is positioned in the main frame of data acquisition system (DAS) (7).
4. the dust layer temperature test test unit that glows according to claim 1, is characterized in that described sample loop (1) is highly 3～7mm.
5. the dust layer temperature test test unit that glows according to claim 1, is characterized in that described sample loop (1) is positioned over the uniform position of heating plate (6) upper surface temperature.
6. the dust layer temperature test test unit that glows according to claim 1, is characterized in that described data acquisition system (DAS) (7) comprises the utility appliance such as main frame, display, data collecting card and keyboard, mouse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420128085.7U CN203824975U (en) | 2014-03-20 | 2014-03-20 | Dust layer smoldering temperature testing experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420128085.7U CN203824975U (en) | 2014-03-20 | 2014-03-20 | Dust layer smoldering temperature testing experiment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203824975U true CN203824975U (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420128085.7U Expired - Lifetime CN203824975U (en) | 2014-03-20 | 2014-03-20 | Dust layer smoldering temperature testing experiment device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914208A (en) * | 2015-06-18 | 2015-09-16 | 英贝儿(天津)测控设备有限责任公司 | Testing device of non-combustible performance of non-combustible floor board |
| CN105352997A (en) * | 2015-10-13 | 2016-02-24 | 国家安全生产监督管理总局化学品登记中心 | Method for determining burning and explosion of dust via temperature-controllable ignition device |
| CN109374669A (en) * | 2018-10-11 | 2019-02-22 | 公安部天津消防研究所 | A kind of hot surface ignites experimental provision |
| 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 |
| CN111781238A (en) * | 2019-04-04 | 2020-10-16 | 应急管理部化学品登记中心 | Dust layer smoldering simulation research device and application thereof |
| CN113731872A (en) * | 2020-05-28 | 2021-12-03 | 应急管理部化学品登记中心 | Automatic cleaning device for dust layer smoldering temperature test experiment |
-
2014
- 2014-03-20 CN CN201420128085.7U patent/CN203824975U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914208A (en) * | 2015-06-18 | 2015-09-16 | 英贝儿(天津)测控设备有限责任公司 | Testing device of non-combustible performance of non-combustible floor board |
| CN105352997A (en) * | 2015-10-13 | 2016-02-24 | 国家安全生产监督管理总局化学品登记中心 | Method for determining burning and explosion of dust via temperature-controllable ignition device |
| CN109374669A (en) * | 2018-10-11 | 2019-02-22 | 公安部天津消防研究所 | A kind of hot surface ignites experimental provision |
| CN111781238A (en) * | 2019-04-04 | 2020-10-16 | 应急管理部化学品登记中心 | Dust layer smoldering simulation research device and application thereof |
| CN111781238B (en) * | 2019-04-04 | 2023-09-05 | 应急管理部化学品登记中心 | Dust layer smoldering simulation research device and application thereof |
| 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 |
| CN113731872A (en) * | 2020-05-28 | 2021-12-03 | 应急管理部化学品登记中心 | Automatic cleaning device for dust layer smoldering temperature test experiment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140910 |
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| CX01 | Expiry of patent term |