CN211927815U - Test device for testing heat-insulating property of intumescent fire retardant coating in laboratory - Google Patents
Test device for testing heat-insulating property of intumescent fire retardant coating in laboratory Download PDFInfo
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- CN211927815U CN211927815U CN201922328598.8U CN201922328598U CN211927815U CN 211927815 U CN211927815 U CN 211927815U CN 201922328598 U CN201922328598 U CN 201922328598U CN 211927815 U CN211927815 U CN 211927815U
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Abstract
The utility model discloses a test device of test expansibility fire retardant coating heat-proof quality in laboratory, including heat preservation (1), thermocouple (2), temperature measuring device (4), loading and displacement testing arrangement (5) and burner (6), its characterized in that, thermocouple (2) set up in heat preservation (1), thermocouple (2) are connected in temperature measuring device (4), test sample (4) overlap joint is on thermocouple (2), test sample (4) are connected in loading and displacement testing arrangement (5), burner (6) are located test sample (4) below. The utility model discloses a can be in the test device of the fire-retardant coating heat-proof quality of rapid assessment expansibility in laboratory that provides, the device has that the sample size is little, and the coating quantity is few, the characteristics of rapid assessment.
Description
Technical Field
The utility model belongs to the technical field of the fire-proof material test and specifically relates to a test device of test expansibility fire retardant coating heat-proof quality in laboratory.
Background
Whether a fire occurs inside or outside the vehicle, the vehicle body is an important barrier to prevent the spread of fire. Because the melting point of the aluminum alloy is lower, the problem that the existing automobile body coating needs to be solved urgently is to avoid the combustion of the automobile body directly facing flame when a fire disaster occurs. If the fire disaster happens in the early stage, the heat can be isolated to spread upwards, the time for heating the aluminum alloy is prolonged as far as possible, and more time can be brought to rescue and extinguishment of the fire disaster, so that the problem that how to ensure that the coating can block the heat propagation when facing the fire disaster is currently solved. The expansion type fireproof coating is a good product capable of reducing heat transmission, and when the coating is on fire, the coating can expand by being heated to form a bad conductor, so that the time of the aluminum alloy vehicle body reaching a melting point is delayed, and the time is brought for passengers to escape and put out fire. At present, on a motor train unit, the intumescent fire-retardant coating is mainly applied to positions such as an underframe, a side wall, a car roof and the like.
For the evaluation method of the fire-proof performance of the fire-proof coating, different standards are compiled in China according to the position of the coating without application, and GB/T12441-2005 finishing type fire-proof coating stipulates the expansion type fire-proof performance of a coating film which is coated on the surface of a combustible base material (such as a wood board, a fiber board, a paper board and products thereof) and can form a coating film with fire-proof and flame-retardant protection and certain decorative effects. And detecting the flame propagation ratio by adopting a tunnel combustion method. Paint mass (g) loss and char volume (cm3) were measured using the cell combustion method. The fire resistance of the material is characterized by the four indexes.
GB/T l4907-2002 Steel Structure fire-proof coating stipulates the technical requirements of the fire-proof coating which is applied to the steel structure surface of buildings and structures and can form a fire-proof heat-insulating protective layer to improve the fire-proof limit of the steel structure, wherein the fire-proof performance of the coating is characterized by the fire-proof limit, namely 136b or 140b I-shaped steel is used, uniform load and concentrated load are added on a steel beam, the total load effect reaches the design load requirement of the steel beam, a test is carried out in a horizontal combustion furnace, and the fire-proof limit of the coating is determined by adopting a three-side fire-receiving mode and the time that the steel beam coated with the coating loses the bearing capacity (the maximum deflection of a test piece steel beam reaches 1/20 of the calculated.
The devices used in the two test methods are large in size and are not suitable for being set up in a conventional laboratory.
Disclosure of Invention
For overcoming current defect, the utility model provides a test device of test expansibility fire retardant coating heat-proof quality in laboratory.
The utility model provides a test device of test expansibility fire retardant coating heat-proof quality in laboratory, includes heat preservation, thermocouple, temperature-measuring device, loading and displacement testing arrangement and burner, and the thermocouple sets up in the heat preservation, and temperature-measuring device connects the thermocouple, and test sample overlap joint is on the thermocouple, and loading and displacement testing arrangement connect test sample, and burner is located test sample below.
Wherein, the heat preservation layer adopts firebrick, heated board material.
Wherein, the thermocouple adopts one of K type thermocouple, S type thermocouple, R type thermocouple, B type thermocouple.
Wherein, the combustion device adopts one of alcohol burner, gas methane, propane, butane, oxygen's burning blast burner.
In the loading and displacement testing device, the loading device adopts one of an electro-hydraulic servo testing machine and an electronic testing machine for loading, and the displacement testing device adopts one of a dial indicator, an LVDT extensometer, a video extensometer and a laser extensometer for testing.
The utility model discloses a can be in the test device of the fire-retardant coating heat-proof quality of rapid assessment expansibility in laboratory that provides, the device has that the sample size is little, and the coating quantity is few, the characteristics of rapid assessment.
Drawings
Fig. 1 is a schematic diagram of a testing device for testing the heat-insulating property of the intumescent fire retardant coating in a laboratory.
Detailed Description
The following describes a test device for testing the heat insulation performance of the intumescent fire retardant coating in a laboratory in detail with reference to the accompanying drawings and specific examples.
Fig. 1 shows, a test device for testing thermal insulation performance of intumescent fire retardant coating in laboratory, including heat preservation 1, thermocouple 2, temperature measurement device 4, loading and displacement testing device 5 and burner 6, thermocouple 2 sets up in heat preservation 1, and temperature measurement device 4 connects thermocouple 2, and test sample 4 overlap joint is on thermocouple 2, and test sample 4 is connected with displacement testing device 5 in loading, and burner 6 is located test sample 4 below.
The heat preservation layer 1 is made of refractory bricks and heat preservation plates.
The thermocouple 2 adopts one of a K-type thermocouple, an S-type thermocouple, an R-type thermocouple and a B-type thermocouple.
The combustion device 6 adopts one of alcohol burner, gas methane, propane, butane and oxygen combustion blowtorch.
In the loading and displacement testing device 5, the loading device adopts one of an electro-hydraulic servo testing machine and an electronic testing machine for loading, and the displacement testing device adopts one of a dial indicator, an LVDT extensometer, a video extensometer and a laser extensometer for testing.
Finally, it should be noted that the above examples are only intended to describe the technical solutions of the present invention and not to limit the technical methods, the present invention can be extended in application to other modifications, variations, applications and embodiments, and therefore all such modifications, variations, applications, embodiments are considered to be within the spirit and teaching scope of the present invention.
Claims (5)
1. The utility model provides a test device of test expansibility fire retardant coating heat-proof quality in laboratory, including heat preservation (1), thermocouple (2), temperature measuring device (4), loading and displacement testing arrangement (5) and burner (6), a serial communication port, thermocouple (2) set up in heat preservation (1), thermocouple (2) are connected in temperature measuring device (4), test sample overlap joint is on thermocouple (2), test sample is connected in loading and displacement testing arrangement (5), burner (6) are located the test sample below.
2. The testing device according to claim 1, characterized in that the insulating layer (1) is made of refractory bricks and insulating boards.
3. Testing device according to claim 1, characterized in that the thermocouple (2) is one of a type K thermocouple, a type S thermocouple, a type R thermocouple, a type B thermocouple.
4. The test device according to claim 1, wherein the combustion device (6) is a combustion torch using one of alcohol burner, gas methane, propane, butane, oxygen.
5. The testing device according to claim 1, wherein in the loading and displacement testing device (5), the loading device is loaded by one of an electro-hydraulic servo testing machine and an electronic testing machine, and the displacement testing device is tested by one of a dial indicator, an LVDT extensometer, a video extensometer and a laser extensometer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922328598.8U CN211927815U (en) | 2019-12-23 | 2019-12-23 | Test device for testing heat-insulating property of intumescent fire retardant coating in laboratory |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922328598.8U CN211927815U (en) | 2019-12-23 | 2019-12-23 | Test device for testing heat-insulating property of intumescent fire retardant coating in laboratory |
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| CN211927815U true CN211927815U (en) | 2020-11-13 |
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| CN201922328598.8U Active CN211927815U (en) | 2019-12-23 | 2019-12-23 | Test device for testing heat-insulating property of intumescent fire retardant coating in laboratory |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113820358A (en) * | 2021-10-25 | 2021-12-21 | 国网山东省电力公司电力科学研究院 | Portable fireproof material detection device |
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2019
- 2019-12-23 CN CN201922328598.8U patent/CN211927815U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113820358A (en) * | 2021-10-25 | 2021-12-21 | 国网山东省电力公司电力科学研究院 | Portable fireproof material detection device |
| CN113820358B (en) * | 2021-10-25 | 2024-03-26 | 国网山东省电力公司电力科学研究院 | Portable fireproof material detection device |
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