CN114137145A - Fire test device and method for external curtain wall system - Google Patents
Fire test device and method for external curtain wall system Download PDFInfo
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- CN114137145A CN114137145A CN202111366573.2A CN202111366573A CN114137145A CN 114137145 A CN114137145 A CN 114137145A CN 202111366573 A CN202111366573 A CN 202111366573A CN 114137145 A CN114137145 A CN 114137145A
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- 238000012360 testing method Methods 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title abstract description 13
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 55
- 239000003546 flue gas Substances 0.000 claims abstract description 55
- 238000004088 simulation Methods 0.000 claims abstract description 32
- 238000002485 combustion reaction Methods 0.000 claims abstract description 27
- 238000009434 installation Methods 0.000 claims abstract description 24
- 239000000203 mixture Substances 0.000 claims abstract description 15
- 238000005507 spraying Methods 0.000 claims abstract description 12
- 239000000779 smoke Substances 0.000 claims description 14
- 238000010998 test method Methods 0.000 claims description 4
- 239000011449 brick Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 239000012774 insulation material Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 230000009970 fire resistant effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000009529 body temperature measurement Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/12—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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Abstract
The invention provides a device and a method for a fire protection test of an external curtain wall system, which comprises the following steps: the building component detection device comprises a main wall, an auxiliary wall and an indoor simulation space, wherein the included angle between the main wall and the auxiliary wall is 90 degrees, a plurality of door and window installation holes are formed in the main wall and the auxiliary wall, each door and window installation hole is correspondingly provided with the indoor simulation space, a combustion chamber is arranged on the lower side of the main wall, a flue gas component analyzer, a flue gas flow velocity tester, a concentration sensor for testing the concentration of flue gas and a spraying system for extinguishing fire are installed at the tops of the main wall and the auxiliary wall, the building component to be detected is installed at the installation holes in the main wall and the auxiliary wall, and the rest installation holes are plugged; igniting a heat source in a combustion chamber at the lower side of the main wall, wherein flame generated by combustion of the heat source can overflow from an opening of the combustion chamber and upwards combust, and test analysis is carried out on the temperature data, the flue gas flow speed data, the flue gas composition data and the flue gas concentration data after the temperature data, the flue gas flow speed data, the flue gas composition data and the flue gas concentration data are collected; after the test is finished, the spraying systems positioned at the tops of the main wall and the auxiliary wall are started to perform fire extinguishing treatment.
Description
Technical Field
The invention relates to the technical field of curtain wall fire tests, in particular to a fire test device and method for an outer curtain wall system.
Background
Outside curtain uses plastic-aluminum sandwich heated board or organic glass preparation more in the modern building, like office building, airport and market etc. that we often see, outside curtain has heat preservation and outer wall decoration dual function concurrently, and outside curtain material is mostly inflammable, in case take place the conflagration and easily burn, and the intensity of a fire spreads on the outer wall fast, and the harmfulness is very big, so very necessary to the fire test of outer curtain system.
At present, for a fire-proof test of a building outer wall, only a heat-insulation system is tested, fire-resistant structural accessories such as doors and windows are not examined, most of the fire-resistant structural accessories are tested only outdoors, the influence on the interior of a building cannot be examined, the temperature rise of the outer wall is only examined in the outdoor test, the flow rate, the concentration and the components of smoke are not examined, the test equipment is large, the utilization rate is low, a fire extinguishing device is not equipped, and once an accident occurs, potential safety hazards exist in the test process.
Disclosure of Invention
The invention aims to provide a device and a method for testing fire prevention of an external curtain wall system, so as to solve the technical problems in the prior art. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a fire test device for an outer curtain wall system, which comprises: main wall, counterfort and indoor simulation space, the main wall with the contained angle of counterfort is 90, the main wall with be equipped with a plurality of door and window installation entrance to a cave on the counterfort, it is a plurality of door and window installation entrance to a cave is followed the main wall with the high distribution of counterfort, every door and window installation entrance to a cave corresponds and sets up indoor simulation space, the main wall downside sets up the combustion chamber, the main wall with counterfort top installation flue gas composition analysis appearance, flue gas velocity of flow tester, be used for testing flue gas concentration's concentration sensor and the sprinkler system that is used for putting out a fire.
Preferably, a combustion field is arranged in the simulation house, a newly-added indoor thermocouple is installed in the center of the roof of the simulation house, a smoke exhaust valve is installed on the wall of the simulation house, fire extinguishing equipment is arranged in the simulation house, newly-added external thermocouples are installed on the main wall and the auxiliary wall and close to the door and window installation hole, and a safe access door is arranged on the simulation house.
Preferably, still include door and window, door and window install carry out fire test in the door and window installation entrance to a cave.
Preferably, the door window further comprises an outer thermocouple, an inner thermocouple and an outer thermocouple, wherein the outer thermocouple, the inner thermocouple and the outer thermocouple are respectively arranged on the upper side and the lower side of the door window mounting hole along the vertical direction.
A fire test method for an external curtain wall system comprises the following steps:
s1: building the outer curtain wall system fire test device;
s2: mounting the building component to be detected at mounting holes on the main wall and the auxiliary wall, and plugging the rest mounting holes;
s3: arranging an outer thermocouple, an inner thermocouple and an outer thermocouple on a main wall and an auxiliary wall, installing a newly-added outer thermocouple at the positions, close to the door and window installation hole, on the main wall and the auxiliary wall, and simulating the arrangement of a newly-added indoor thermocouple in the center of a roof of a house;
s4: igniting a heat source in a combustion chamber at the lower side of the main wall, wherein flame generated by combustion of the heat source can overflow from an opening of the combustion chamber and combust upwards;
s5: acquiring temperature data, flue gas flow rate data, flue gas composition data and flue gas concentration data, and then carrying out test analysis on the data;
s6: after the test is finished, the spraying systems positioned at the tops of the main wall and the auxiliary wall are started to perform fire extinguishing treatment.
Preferably, the door and window mounting holes of the indoor simulation space on the main wall and the auxiliary wall are plugged by using bricks and concrete.
Preferably, the temperature data is collected through an external thermocouple, an internal thermocouple and an external thermocouple, the flue gas flow rate data is collected through a flue gas flow rate tester, the flue gas component data is collected through a flue gas component analyzer, and the flue gas concentration data is collected through a concentration sensor.
The fire-proof test device and the method for the external curtain wall system provided by the invention can comprehensively simulate the real indoor and outdoor conditions under the condition of fire, are closer to reality compared with the traditional detection mode, integrate various factors in the fire into one test, simultaneously detect various factors influencing the fire, such as smoke, temperature, a fire extinguishing system, fire-resistant components and the like, and also can carry out simulation experiments on the damage conditions of different rooms in the fire, so that the fire can be extinguished in time after the test process and the test are finished, and the test safety is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the fire testing apparatus and method for an external curtain wall system according to the present invention;
FIG. 2 is a prior art system for conventional testing of fire resistance in exterior walls of buildings.
In the figure: 1. a main wall; 2. a secondary wall; 3. an outer couple and an inner couple; 4. an external thermocouple; 5. a combustion chamber; 6. a door and window mounting hole; 7. an indoor simulation space; 8. adding an external thermocouple; 9. and adding an indoor thermocouple.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The following describes in detail a specific embodiment of the present invention with reference to the drawings. In the drawings, the same reference numerals indicate the same or corresponding features. The figures are only schematic and are not necessarily drawn to scale.
The existing outer curtain wall test system is only used for a heat insulation system and fire-resistant structural accessories such as doors and windows are not inspected, most of the existing outer curtain wall test systems are only used for outdoor tests, the influence on the indoor environment cannot be inspected, the temperature rise of the outer wall is only inspected in the outdoor tests, the flow rate, the concentration and the components of smoke are not inspected, the test equipment is large, the utilization rate is low, a fire extinguishing device is not equipped, and once a fire is accidentally ignited, potential safety hazards exist in the test process.
The invention provides an external curtain wall system fire test device which comprises a main wall, an auxiliary wall and an indoor simulation space, wherein the included angle between the main wall and the auxiliary wall is 90 degrees, a plurality of door and window installation holes are formed in the main wall and the auxiliary wall and are distributed orderly along the height of the main wall and the height of the auxiliary wall, the indoor simulation space is correspondingly arranged at each door and window installation hole, a combustion chamber is arranged at the lower side of the main wall, and a flue gas component analyzer, a flue gas flow velocity tester, a concentration sensor for testing the concentration of flue gas and a spraying system are arranged at the tops of the main wall and the auxiliary wall.
The door and window mounting hole is characterized by further comprising an outer thermocouple, an inner thermocouple and an outer thermocouple, wherein the outer thermocouple, the inner thermocouple and the outer thermocouple are respectively arranged on the upper side and the lower side of the door and window mounting hole along the vertical direction, and the outer thermocouple, the inner thermocouple and the outer thermocouple acquire temperature data on two sides of the door and window mounting hole.
Building components such as windows and curtain walls are installed in an installation hole in one side, which is on fire side, of the simulation house, a combustion field is arranged in the simulation house, the placing position, the material and the heat value of the combustion field are changed according to different test requirements, an indoor thermocouple is installed in the center of the roof of the simulation house, a smoke exhaust valve is installed on the wall of the simulation house, fire extinguisher equipment is arranged in the simulation house, and once the fire breaks out in the test process, the fire can be timely extinguished.
Indoor temperature measurement point that sets up in simulation house, temperature measurement point is used for monitoring indoor temperature when outdoor conflagration breaing out, place specific article (furniture, combustible material such as fabrics) according to the test demand, specific article is used for detecting the condition of indoor article when the outer wall is fired, increase indoor sprinkler system, whether the installation is waited to examine the product and can be detected spray system when the conflagration takes place and play the effect, the effect of in time putting out a fire can be played to the qualified product of installation, wait to examine the product and refer to the product that wants to detect, qualified product refers to the product that has passed through the inspection, for example: newly produced spray set need do the test, and that just calls it to examine the sample, and whether experimental can test it and can play a role, like the desk in the room when doing other products, that just can install one and test qualified spray set (qualified product), when treating that the desk is on fire, accessible spray set (qualified product) put out a fire, and specific article and examining the sample difference of examining lie in that the sample of examining is the fire control product generally, and specific article is non-fire control product.
Example 1 tests were carried out on an external thermal insulation material for an external wall:
the method comprises the steps of plugging holes in indoor simulation spaces on a main wall and an auxiliary wall by using bricks and concrete, installing an outer wall external thermal insulation material on the front surfaces of the main wall and the auxiliary wall according to test requirements, arranging temperature measuring couples (an outer couple, an inner couple and an outer couple), igniting a heat source in a combustion chamber on the lower side of the main wall, enabling flames of the heat source to overflow from the opening of the combustion chamber and burn upwards, acquiring temperature data by the temperature measuring couples, acquiring flue gas flow rate data by a flue gas flow rate tester, acquiring flue gas composition data by a flue gas composition analyzer, acquiring flue gas concentration data by a concentration sensor, carrying out test analysis by referring to the requirements in GB/T29416-2012 on the acquired temperature data, flue gas flow rate data and flue gas composition data, starting a spraying system on the tops of the main wall and the auxiliary wall after the test is finished, carrying out fire extinguishing treatment, and enabling the spraying system to extinguish fire in time once an accident happens in the test process, the potential safety hazard is eliminated.
mounting components such as doors and windows at door and window mounting holes of a main wall and an auxiliary wall (if all holes are not needed, the rest holes are sealed), mounting an outer wall outer heat insulation material on the front surfaces of the main wall and the auxiliary wall according to test requirements, arranging temperature measuring couples (an outer couple, an inner couple and an outer couple), arranging a newly-added indoor thermocouple at the non-fired side of the doors and the windows in an indoor simulation space, igniting a heat source in a combustion chamber at the lower side of the main wall, enabling flames generated by combustion of the heat source to overflow from the opening of the combustion chamber and burn upwards, collecting temperature data through the temperature measuring couples, collecting flue gas flow rate data through a flue gas flow rate tester, collecting flue gas composition data through a flue gas composition analyzer, collecting flue gas concentration data through a concentration sensor, and carrying out test analysis on the collected temperature data, flue gas flow rate data and flue gas composition data by referring to the requirements in GB/T29416-2012, after the test is finished, the spraying systems positioned at the tops of the main wall and the auxiliary wall are started to perform fire extinguishing treatment.
Example 3 test of the effect of the combustion of the external thermal insulation material on the indoor fire extinguishing system:
mounting components such as doors and windows at door and window mounting holes of a main wall and an auxiliary wall (if all holes are not needed, the rest holes are blocked), mounting an outer wall outer heat insulation material on the front surfaces of the main wall and the auxiliary wall according to test requirements, arranging temperature measuring couples (an outer couple, an inner couple and an outer couple), mounting a smoke sensor detector and a spraying system (or other fire extinguishing equipment) to be detected in an indoor simulation space, igniting a heat source in a combustion chamber at the lower side of the main wall, collecting temperature data through the temperature measuring couples, collecting smoke flow rate data through a smoke flow rate tester, collecting smoke component data through a smoke component analyzer, collecting smoke concentration data through a concentration sensor, carrying out test analysis by referring the collected temperature data, smoke flow rate data and smoke component data to the requirements in GB/T29416-2012, and starting the spraying system at the tops of the main wall and the auxiliary wall after the test is finished, and (5) carrying out fire extinguishing treatment.
Example 4 testing of the effect of the combustion of the external thermal insulation material on the indoor environment:
mounting components such as doors and windows at door and window mounting holes of a main wall and an auxiliary wall (if all holes are not needed, the rest holes are sealed), mounting external thermal insulation materials of an outer wall on the front surfaces of the main wall and the auxiliary wall according to test requirements, arranging temperature measuring couples (an outer thermocouple, an inner thermocouple and an outer thermocouple), placing combustible materials such as furniture and textile fabrics in an indoor simulation space, arranging a newly-added indoor thermocouple and a spraying system (or other fire extinguishing equipment), igniting a heat source in a combustion chamber at the lower side of the main wall, collecting temperature data through the temperature measuring couples, collecting flue gas flow rate data through a flue gas flow rate tester, collecting flue gas composition data through a flue gas composition analyzer, collecting flue gas concentration data through a concentration sensor, and carrying out test analysis on the collected temperature data, flue gas flow rate data and flue gas composition data by referring to the requirements in GB/T29416-2012, after the test is finished, the spraying systems positioned at the tops of the main wall and the auxiliary wall are started to perform fire extinguishing treatment.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (7)
1. The utility model provides an outer curtain wall system fire test device which characterized in that includes: main wall, counterfort and indoor simulation space, the main wall with the contained angle of counterfort is 90, the main wall with be equipped with a plurality of door and window installation entrance to a cave on the counterfort, it is a plurality of door and window installation entrance to a cave is followed the main wall with the high distribution of counterfort, every door and window installation entrance to a cave corresponds and sets up indoor simulation space, the main wall downside sets up the combustion chamber, the main wall with counterfort top installation flue gas composition analysis appearance, flue gas velocity of flow tester, be used for testing flue gas concentration's concentration sensor and the sprinkler system that is used for putting out a fire.
2. The external curtain wall system fire test device of claim 1, wherein a combustion field is arranged in the simulation house, an additional indoor thermocouple is arranged in the center of the roof of the simulation house, a smoke exhaust valve is arranged on the wall of the simulation house, fire extinguishing equipment is arranged in the simulation house, additional external thermocouples are arranged on the main wall and the auxiliary wall close to the door and window installation hole, and a safe access door is arranged on the simulation house.
3. The external curtain wall system fire test apparatus of claim 2, further comprising a door and window installed in the door and window installation opening for fire test.
4. The external curtain wall system fire test device of claim 2, further comprising an external thermocouple, an internal thermocouple, and an external thermocouple, wherein the external thermocouple, the internal thermocouple, and the external thermocouple are respectively disposed at upper and lower sides of the door and window mounting hole in a vertical direction.
5. A fire test method for an external curtain wall system is characterized by comprising the following steps:
s1: building the outer curtain wall system fire test device;
s2: mounting the building component to be detected at mounting holes on the main wall and the auxiliary wall, and plugging the rest mounting holes;
s3: arranging an outer thermocouple, an inner thermocouple and an outer thermocouple on a main wall and an auxiliary wall, installing a newly-added outer thermocouple at the positions, close to the door and window installation hole, on the main wall and the auxiliary wall, and simulating the arrangement of a newly-added indoor thermocouple in the center of a roof of a house;
s4: igniting a heat source in a combustion chamber at the lower side of the main wall, wherein flame generated by combustion of the heat source can overflow from an opening of the combustion chamber and combust upwards;
s5: acquiring temperature data, flue gas flow rate data, flue gas composition data and flue gas concentration data, and then carrying out test analysis on the data;
s6: after the test is finished, the spraying systems positioned at the tops of the main wall and the auxiliary wall are started to perform fire extinguishing treatment.
6. The fire test method for the external curtain wall system as claimed in claim 5, wherein the door and window installation holes of the indoor simulation space on the main and sub walls are sealed by using bricks and concrete.
7. The fire test method for the external curtain wall system according to claim 5, wherein the temperature data is collected by an external thermocouple, an internal thermocouple and an external thermocouple, the flue gas flow rate data is collected by a flue gas flow rate tester, the flue gas component data is collected by a flue gas component analyzer, and the flue gas concentration data is collected by a concentration sensor.
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| CN202111366573.2A CN114137145A (en) | 2021-11-17 | 2021-11-17 | Fire test device and method for external curtain wall system |
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| CN202111366573.2A CN114137145A (en) | 2021-11-17 | 2021-11-17 | Fire test device and method for external curtain wall system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115524373A (en) * | 2022-10-08 | 2022-12-27 | 安徽邮电职业技术学院 | Simulation experiment device based on MQ2 sensor environment detection |
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