CN202735103U - Steel member fireproof test apparatus - Google Patents

Steel member fireproof test apparatus Download PDF

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Publication number
CN202735103U
CN202735103U CN 201220232556 CN201220232556U CN202735103U CN 202735103 U CN202735103 U CN 202735103U CN 201220232556 CN201220232556 CN 201220232556 CN 201220232556 U CN201220232556 U CN 201220232556U CN 202735103 U CN202735103 U CN 202735103U
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China
Prior art keywords
test
steel member
heater
steel
fire resistance
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Expired - Fee Related
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CN 201220232556
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Chinese (zh)
Inventor
楼国彪
李国强
韩君
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Tongji University
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Tongji University
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Abstract

The utility model relates to a steel member fireproof test apparatus which comprises a test furnace body, an air supply and discharge system, a fuel supply system, a test piece frame, a temperature collection system and an operation control bench. Through an actual fire hazard combustion process simulated completely by the apparatus, flame effects similar to an actual fire hazard are acted on a test piece, and a test effect is ideal. Moreover, the whole combustion test process is controlled by a computer in a real-time manner, and the fuel supply system and the air supply and discharge system are controlled based on requirements of a standard heating curve or a self-set heating curve, so that the apparatus is safe and reliable. The apparatus is capable of automatically controlling a fireproof test, is safe and reliable in test, allows influence upon an environment to be minimized, allows the labor intensity to be mitigated, enables the test efficiency to be improved, can be used for fireproof tests for various samples, and helps to provide reliable test data and a scientific basis for a fire resistance design method.

Description

Steel member fire resistance test device
Technical field
The utility model relates to the Structural fire engineering technical field, relates in particular to a kind of steel member fire resistance test device.
Background technology
Day by day intensive along with the continuous increase of the progress of society, population and buildings, fire be frequent occurrence thereupon also, and national wealth and the people's life security is brought about great losses.Particularly in recent years, urban population density increases increasingly, and the developing rapidly of skyscraper more increased frequency that fire occurs and the difficulty of fire-fighting.For fear of unnecessary loss, strengthen fire prevention, the fire resistance of buildings, must take necessary fire prevention measure, make it to have certain refractability.And the refractability that main inner the building element of the refractability of building is the steel member realizes that the height of fire grading directly depends on the fire performance of steel member in fire.Smear frie retardant coating and be the steel member flameproof protection method that generally adopts at present, its protection mechanism is by stopping external heat source to steel member direct heat transfer, thereby delays the programming rate of steel member, improves the fire endurance of steel member.Therefore, fire performance is the most important performance of steel member frie retardant coating.
Fire test furnace is the major equipment that the steel member is carried out fire testing, and the fire performance of frie retardant coating mainly is subjected to the impact of coating nature, therefore adopts subsized specimen coating frie retardant coating to record.But it is large to be used at present steel component standard fire test furnace size of burner hearth, as the beam slab stove be not less than 3m * 4m * 1.5m, the post stove is not less than 3m * 4m * 4m(length * wide * height), each test needs a lot of combustion gas (fuel oil) of consumption.And need to supply with by manual shift fuel, inefficiency and labour intensity are large.
In sum, study a kind of reliable and convenient steel member fire resistance test device of using, can be easy to operate, the test period is short, and experimentation cost is low to be those skilled in the art's goal in research.
The utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of steel member fire resistance test device, is used for solving prior art operation inconvenience, and the test period is long, the problem that experimentation cost is high.
Reach for achieving the above object other relevant purposes, the utility model provides a kind of steel member fire resistance test device, comprising: the test body of heater, and the relative metope of described test body of heater both sides is provided with flame-observing hole, and inside is provided with a plurality of burner noz(zle)s; Fuel system comprises the fuel stack and the conveyance conduit that charge, and described fuel stack is communicated with respectively with described a plurality of burner noz(zle)s by conveyance conduit; Air supplying and exhausting system, comprise combustion air blower fan, exhaust fan, combustion air pipeline, exhaust duct, described combustion air blower fan is communicated with described test body of heater by exhaust duct by combustion air pipeline, exhaust fan; Test-piece stand, the two ends of described test-piece stand are packed on the metope of the interior both sides of test body of heater, hang steel member to be tested on the test-piece stand; Temperature acquisition system comprises the temperature acquisition thermopair that is arranged on diverse location in the described test body of heater; Operating console comprises computer acquisition control system, graphoscope, demonstration control instrument, described fuel system, and air supplying and exhausting system, temperature acquisition system all are connected with operating console.
Further, described test-piece stand comprises a channel-section steel, and the two ends of described channel-section steel are fixed on the interior body of wall of described trial furnace, the fixing fixed heads that form setting in described channel-section steel below more, wear at least two parallel screws between every group of fixed head, described steel member is hung on the described screw rod.
Further, be equipped with electric control valve on described conveyance conduit, combustion air pipeline and the exhaust duct.
Further, described electric control valve all is connected with described operating console.
Further, described test inboard wall of furnace body is formed by laying fireproof bricks, and outer wall is sheet steel and steel frame.
Further, the two ends of described test-piece stand are packed on the refractory brick of two projections in the test body of heater.
By above technical scheme, the utlity model has following technique effect:
The complete real simulation fire of the utility model combustion process makes test specimen be subject to the flame interaction similar to actual fire, and test effect is desirable; And by the whole burning test processes of real time computer control, according to the standard heating curve or certainly establish the heating curve requirement gas supply control system, air supplying and exhausting system are controlled, safe and reliable.The automatic control, experimental safe that has realized fire testing is reliable, reduced environmental impact, alleviated labour intensity, improved test efficiency, and can be used for the fire-resistant check of several samples, provide reliable test figure and scientific basis for proposing anti-fiery method for designing.
Description of drawings
Fig. 1 is test body of heater stereographic map;
Fig. 2 is the utility model vertical view;
Fig. 3 is the utility model front view;
Fig. 4 is the utility model side view;
Fig. 5 is the test-piece stand side view;
Fig. 6 is the test-piece stand front view.
Embodiment
Below by particular specific embodiment explanation embodiments of the present invention, person skilled in the art scholar can understand other advantages of the present invention and effect easily by the disclosed content of this instructions.
See also Fig. 1 to Fig. 6.Notice, the appended graphic structure that illustrates of this instructions, ratio, size etc., equal contents in order to cooperate instructions to disclose only, understand and reading for person skilled in the art scholar, be not to limit the enforceable qualifications of the present invention, therefore the technical essential meaning of tool not, the adjustment of the modification of any structure, the change of proportionate relationship or size, not affecting under the effect that the present invention can produce and the purpose that can reach, all should still drop on disclosed technology contents and get in the scope that can contain.Simultaneously, quote in this instructions as " on ", D score, " left side ", " right side ", " centre " reach the term of " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under without essence change technology contents, when also being considered as the enforceable category of the present invention.
A kind of steel member of the utility model fire resistance test device comprises: test body of heater 1, and the test inboard wall of furnace body is formed by laying fireproof bricks, and outer wall is sheet steel and steel frame.Relative metope in test body of heater both sides is provided with flame-observing hole 6, and inside is provided with a plurality of burner noz(zle)s 5.The number of burner noz(zle) 5 can be adjusted according to the needs of concrete test, and for temperature rise and heating-up temperature in the warranty test body of heater are even, each burner noz(zle) is distributed in the diverse location in the test body of heater.
Fuel system comprises fuel stack and the conveyance conduit of charge (combustion gas, fuel oil), and fuel stack is communicated with respectively with above-mentioned a plurality of burner noz(zle)s 5 by conveyance conduit, establishes electric control valve control fuel flow rate on the conveyance conduit.
Because gas flame can produce flue gas, therefore establish air supplying and exhausting system to get rid of flue gas and combustion air is provided, guarantee normally carrying out of intensification.Air supplying and exhausting system comprises combustion air blower fan, exhaust fan, combustion air pipeline, exhaust duct, and the combustion air blower fan is communicated with the test body of heater by exhaust duct by combustion air pipeline, exhaust fan; Be equipped with the motorized adjustment valve regulation on conveyance conduit, combustion air pipeline and the exhaust duct and control air mass flow in each pipeline, for example change the flowrate proportioning of combustion air volume and gas quantity, can realize the adjusting of temperature in the combustion process.
Test-piece stand, test-piece stand comprise a channel-section steel 2, and the two ends of channel-section steel are fixed on the refractory brick 4 that the both sides metope epirelief of test in the body of heater rise (Fig. 2-shown in Figure 6).Because the weight of test specimen steel plate 3 to be measured is little, channel-section steel 2 is shelved on the refractory brick 4 and gets final product.The fixing fixed heads 7 that form arranging in channel-section steel below wear at least two parallel screws more between every group of fixed head, steel plate 3 is hung on the screw rod.Fixed head 7 adopts the sheet metal that possesses refractability to get final product, the group number of fixed head can be according to trial furnace size and the setting of test needs, for example a test-piece stand is respectively installed in the interior top of test body of heater and below in the present embodiment, hang two block plates on each test-piece stand, can test four block plates simultaneously.
Temperature acquisition system comprises the temperature acquisition thermopair that is arranged on diverse location in the test body of heater, each monitoring temperature value of thermopair Real-time Collection, and feed back to the computer acquisition control system.
Operating console comprises computer acquisition control system, graphoscope, demonstration control instrument, above-mentioned fuel system, and air supplying and exhausting system, temperature acquisition system and each electric control valve all are connected with operating console.By computer acquisition set-up of control system heating curve, and regulating and controlling is regulated the air mass flow of controlling in each pipeline in real time, and combustion air volume and gas quantity proportioning realize testing adjustment, the viewing test phenomenon in the combustion process;
During test, at first install test specimen, set heating curve by computer control system, then open each electric control valve ignition combustion nozzle, on-test.In the process of the test, regulate in real time each system of control by operating console, and record viewing test data, test period finishes, and unloads test specimen, closes fuel system, air supplying and exhausting system, powered-down, off-test.
In sum, the utility model has realized that the automatic control, experimental safe of fire testing is reliable, reduced environmental impact, alleviated labour intensity, improved test efficiency, and can be used for the fire-resistant check of several samples, provide reliable test figure and scientific basis for proposing anti-fiery method for designing.So the utility model has effectively overcome various shortcoming of the prior art and the tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not is used for restriction the present invention.Any person skilled in the art scholar all can be under spirit of the present invention and category, and above-described embodiment is modified or changed.Therefore, have in the technical field under such as and know that usually the knowledgeable modifies or changes not breaking away from all equivalences of finishing under disclosed spirit and the technological thought, must be contained by claim of the present invention.

Claims (6)

1. a steel member fire resistance test device is characterized in that, comprising:
The test body of heater, the relative metope of described test body of heater both sides is provided with flame-observing hole, and inside is provided with a plurality of burner noz(zle)s;
Fuel system comprises the fuel stack and the conveyance conduit that charge, and described fuel stack is communicated with respectively with described a plurality of burner noz(zle)s by conveyance conduit;
Air supplying and exhausting system comprises combustion air blower fan, exhaust fan, combustion air pipeline, exhaust duct, and described combustion air blower fan is communicated with described test body of heater respectively by exhaust duct by combustion air pipeline, described exhaust fan;
Test-piece stand, the two ends of described test-piece stand are packed on the metope of the interior both sides of test body of heater, hang steel member to be tested on the test-piece stand;
Temperature acquisition system comprises the temperature acquisition thermopair that is arranged on diverse location in the described test body of heater;
Operating console comprises computer acquisition control system, graphoscope, demonstration control instrument, described fuel system, and air supplying and exhausting system, temperature acquisition system all are connected with operating console.
2. steel member fire resistance test device according to claim 1, it is characterized in that, described test-piece stand comprises a channel-section steel, the two ends of described channel-section steel are fixed on the interior body of wall of described trial furnace, the fixing fixed heads that form arranging in described channel-section steel below more, wear at least two parallel screws between every group of fixed head, described steel member is hung on the described screw rod.
3. steel member fire resistance test device according to claim 1 is characterized in that, is equipped with electric control valve on described conveyance conduit, combustion air pipeline and the exhaust duct.
4. steel member fire resistance test device according to claim 3 is characterized in that, described electric control valve all is connected with described operating console.
5. steel member fire resistance test device according to claim 1 is characterized in that, described test inboard wall of furnace body is formed by laying fireproof bricks, and outer wall is sheet steel and steel frame.
6. steel member fire resistance test device according to claim 5 is characterized in that, the two ends of described test-piece stand are packed on the refractory brick of two projections in the test body of heater.
CN 201220232556 2012-05-17 2012-05-17 Steel member fireproof test apparatus Expired - Fee Related CN202735103U (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103345181A (en) * 2013-06-24 2013-10-09 中航百慕新材料技术工程股份有限公司 Device for testing fire-resistance limit of middle-sized I-shaped steel girder
CN103411992A (en) * 2013-08-13 2013-11-27 广州市建筑材料工业研究所有限公司 Steel structure fireproof paint fire resistance limit rapid test method and apparatus
CN104698024A (en) * 2013-12-06 2015-06-10 中国飞机强度研究所 Thermal test method for large-structure ablative material
CN105013123A (en) * 2015-08-05 2015-11-04 上海合评消防检测中心 Noise-abatement device for fire resistance test furnace
CN106525474A (en) * 2016-11-01 2017-03-22 上海同济建设工程质量检测站 High-temperature test control method and system
CN107796850A (en) * 2017-12-04 2018-03-13 柳州欧维姆机械股份有限公司 A kind of drag-line fireproof performance test apparatus and its test method
CN108627610A (en) * 2018-07-10 2018-10-09 西安捷盛电子技术有限责任公司 A kind of baked wheaten cake hot test platform and method
CN108917398A (en) * 2018-08-13 2018-11-30 东莞市大显自动化仪器设备有限公司 A kind of building materials and the vertical fire test furnace of component
CN110596187A (en) * 2019-07-03 2019-12-20 西安科技大学 Experimental table for simulating ignition oil product on hot surface of vehicle
CN111189961A (en) * 2020-03-07 2020-05-22 六枝特区宏新建筑装饰材料有限公司 Fire simulation device for research and development of fireproof building materials

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103345181A (en) * 2013-06-24 2013-10-09 中航百慕新材料技术工程股份有限公司 Device for testing fire-resistance limit of middle-sized I-shaped steel girder
CN103345181B (en) * 2013-06-24 2015-07-15 中航百慕新材料技术工程股份有限公司 Device for testing fire-resistance limit of middle-sized I-shaped steel girder
CN103411992A (en) * 2013-08-13 2013-11-27 广州市建筑材料工业研究所有限公司 Steel structure fireproof paint fire resistance limit rapid test method and apparatus
CN103411992B (en) * 2013-08-13 2015-07-22 广州市建筑材料工业研究所有限公司 Steel structure fireproof paint fire resistance limit rapid test method and apparatus
CN104698024A (en) * 2013-12-06 2015-06-10 中国飞机强度研究所 Thermal test method for large-structure ablative material
CN105013123A (en) * 2015-08-05 2015-11-04 上海合评消防检测中心 Noise-abatement device for fire resistance test furnace
CN106525474A (en) * 2016-11-01 2017-03-22 上海同济建设工程质量检测站 High-temperature test control method and system
CN106525474B (en) * 2016-11-01 2019-06-21 上海同济建设工程质量检测站 A kind of hot test control method and system
CN107796850A (en) * 2017-12-04 2018-03-13 柳州欧维姆机械股份有限公司 A kind of drag-line fireproof performance test apparatus and its test method
CN108627610A (en) * 2018-07-10 2018-10-09 西安捷盛电子技术有限责任公司 A kind of baked wheaten cake hot test platform and method
CN108627610B (en) * 2018-07-10 2024-04-02 西安捷盛电子技术有限责任公司 Fire high-temperature test platform and method
CN108917398A (en) * 2018-08-13 2018-11-30 东莞市大显自动化仪器设备有限公司 A kind of building materials and the vertical fire test furnace of component
CN110596187A (en) * 2019-07-03 2019-12-20 西安科技大学 Experimental table for simulating ignition oil product on hot surface of vehicle
CN110596187B (en) * 2019-07-03 2024-02-20 西安科技大学 Experiment table for simulating vehicle hot surface ignition oil product
CN111189961A (en) * 2020-03-07 2020-05-22 六枝特区宏新建筑装饰材料有限公司 Fire simulation device for research and development of fireproof building materials

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130213

Termination date: 20210517

CF01 Termination of patent right due to non-payment of annual fee