CN107796850A - A kind of drag-line fireproof performance test apparatus and its test method - Google Patents
A kind of drag-line fireproof performance test apparatus and its test method Download PDFInfo
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- CN107796850A CN107796850A CN201711260394.4A CN201711260394A CN107796850A CN 107796850 A CN107796850 A CN 107796850A CN 201711260394 A CN201711260394 A CN 201711260394A CN 107796850 A CN107796850 A CN 107796850A
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- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
- G01N25/22—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures
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Abstract
A kind of drag-line fireproof performance test apparatus, it is characterized in that including gas furnace 1, feeder 2, drag-line test specimen 3, control and display system 4, thermocouple Acquisition Instrument 5, anti- guncotton 6, the gas furnace 1 is connected with the pipeline of feeder 2, the anti-guncotton 6 encapsulates drag-line test specimen 3 in gas furnace 1, first thermocouple 11 is installed in the gas furnace 1, drag-line test specimen 3 is provided with the second thermocouple 33, it is described control and display system 4 respectively with the gas furnace 1, the thermocouple 11 of feeder 2 and first electrically connects, the thermocouple Acquisition Instrument 5 electrically connects with second thermocouple 33.The present invention can meet the fire protecting performance test of existing highway bridge, venue Fireproof guy cable, and device simplicity is easily operated, reliable to Fireproof guy cable test performance, can quickly and easily test out the fire protecting performance of Fireproof guy cable.The present invention also provides a kind of drag-line fire-protecting test method.
Description
Technical field
The present invention relates to the test of fireproof component fire protecting performance, and in particular to a kind of drag-line fireproof performance test apparatus and its examination
Proved recipe method.
Background technology
With the progress and change of social development, the field such as bridge, building is gradually to drag-line proposition fire-proof function at present
Demand, and fire-proof function requires more and more higher.Drag-line squeezes high density as steel wire rope drag-line, guy of twisted steel cable etc. in outsourcing
Polyethylene, PE sheaths play corrosion-resistant effect, but are currently used in the PE on drag-line and do not have fire-proof function, as drag-line is in body
The application in the communal facility engineering such as venue, theater, exhibition center is educated, be required to drag-line has fire-proof function, Fireproof guy cable in itself
Application it is increasingly extensive, but the test of the Fire Test of Fireproof guy cable is still weak.
Publication No. CN106289999A Chinese patent discloses a kind of mechanical property of metal material under the high temperature conditions
Energy test equipment and its method of testing, quantitative measurement is carried out to test specimen using the method for conductive heater, be only test metal
The high-temperature mechanics characteristic of material, lacks the test to fire protecting performance.
Publication No. CN103411992A Chinese patent discloses a kind of fire-resistant coating for steel structure fire endurance and quickly surveyed
Method for testing and device, only it is that the fire endurance of I-steel is tested, is not particularly suited for the test of Fireproof guy cable fire protecting performance.
Publication No. CN104568635A Chinese patent discloses a kind of fire resistance test of passive entity fireproof component
Method, the program are only the flameproof protection components for nuclear power station, and fire resistance is carried out within the defined fire endurance time to it
Can test.
At present, above-mentioned prior art is carried out to metal material to I-steel or to the fireproof component of nuclear power station
Fire resisting is tested, and is not particularly suited for the fire resisting test of existing highway bridge or venue Fireproof guy cable.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is that provide a kind of drag-line fire prevention
Performance test apparatus and its test method, the present invention is reliable and easily operated, and test performance is reliable, and test method simple process is easy
OK.
The present invention takes following technical scheme to realize above-mentioned purpose：
A kind of drag-line fireproof performance test apparatus, including gas furnace 1, feeder 2, drag-line test specimen 3, control and display system
System 4, thermocouple Acquisition Instrument 5, anti-guncotton 6, the gas furnace 1 are connected with the pipeline of feeder 2, and the anti-guncotton 6 encapsulates
Drag-line test specimen 3 is evenly equipped with the first thermocouple 11 in gas furnace 1 in the gas furnace 1, the control and display system 4 are distinguished
Being electrically connected with the gas furnace 1, the thermocouple 11 of feeder 2 and first, the drag-line test specimen 3 is provided with the second thermocouple 33,
The thermocouple Acquisition Instrument 5 electrically connects with second thermocouple 33.
Preferably, the first thermocouple 11 is installed in upper surface, lower surface respectively in the gas furnace 1.
Preferably, the drag-line test specimen 3 is provided with the second thermocouple of even number 33.
The control and display system 4 control air feed equipment 2 to supply and control gas furnace 1 to light a fire, temperature and air pressure.
The present invention also provides a kind of drag-line fire-protecting test method, it is characterised in that comprises the following steps：
Step 1, make drag-line test specimen 3；Second thermocouple 33, the outer cladding of the second thermocouple 33 are installed on common drag-line 31
First cladding fire proof heat-insulation layer 32 is set with outer lining steel pipe 34 again outside the thermocouple 33 of fire proof heat-insulation layer 32 or second；
Step 2, encapsulation drag-line test specimen 3；Drag-line test specimen 3 is installed on gas furnace 1, gas furnace is encapsulated using anti-guncotton 6
Gap between 1 and drag-line test specimen 3；
Step 3, control supply and firing up；Control and display system 4 control feeder 2 to supply gas furnace 1,
Control and display system 4 control the firing up of gas furnace 1；Gas furnace 1 is at the appointed time warming up to assigned temperature T1 in t1 after, combustion
Steam stove 1 enters holding stage, and keeping temperature stabilizes to T1；
Step 4, collecting temperature data；Thermocouple Acquisition Instrument 5 by the second thermocouple 33 gather drag-line test specimen 3 it is heat-insulated after
Drag-line surface temperature T changing values simultaneously show the temperature value changes；
Step 5, assess the fire protecting performance of drag-line test specimen 3；By the fire resistance period t 2 that assigned temperature T2 is raised to temperature T
Assess the fire protecting performance of drag-line test specimen 3：Fire resistance period t2 is longer, and the fire protecting performance of drag-line test specimen 3 is better；Or by specifying
After fire resistance period t3, the maximum temperature T3 that temperature T is increased to assess the fire protecting performance of drag-line test specimen 3：T3 is lower, drag-line examination
The fire protecting performance of part 3 is better.
In above-mentioned steps, t1 is specified time, and assigned temperature is raised to from room temperature according to what standard or customer requirement were specified
Time used；T2 is fire resistance period, and standard is reached to drag-line surface of test piece temperature since being reached after assigned temperature gas furnace
Or the temperature that client specifies stops, the used time during this；T3 is to specify fire resistance period, the combustion specified according to standard or customer requirement
Steam stove starts after reaching assigned temperature, until the time for meeting to specify duration requirement；T is combustion gas furnace temperature, what gas furnace was shown
Temperature；T1 is equilibrium temperature, temperature that is being specified according to standard or client and meeting fluctuation range；T2 is assigned temperature, according to
The temperature that standard or client specify；T3 is maximum temperature, and maximum temperature is generally less than and is equal to assigned temperature T2；More than assigned temperature
T2, then illustrate drag-line fire protecting performance backlog demand.
The beneficial effects of the invention are as follows：
1st, the present invention can meet the fire protecting performance test of existing highway bridge, venue Fireproof guy cable.
2nd, apparatus of the present invention simplicity is easily operated, reliable to Fireproof guy cable test performance.
3rd, test method of the present invention is simple and easy to do, can quickly and easily test out the fire protecting performance of Fireproof guy cable.
4th, drag-line test specimen using arrangement thermocouple, is advantageous to more accurate collecting temperature data variation in the present invention.
Brief description of the drawings
Fig. 1 is：The experimental rig structure of a kind of drag-line fireproof performance test apparatus of the present invention and its test method is shown
It is intended to.
Fig. 2 is：The drag-line test specimen cut-away view of a kind of drag-line fireproof performance test apparatus of the present invention and its test method.
Fig. 3 is：The drag-line test specimen cut-away view of a kind of drag-line fireproof performance test apparatus of the present invention and its test method.
Fig. 4 is：The experimental rig structure of a kind of drag-line fireproof performance test apparatus of the present invention and its test method is shown
It is intended to.
Fig. 5 is：The drag-line test specimen cut-away view of a kind of drag-line fireproof performance test apparatus of the present invention and its test method.
Fig. 6 is：The drag-line test specimen cut-away view of a kind of drag-line fireproof performance test apparatus of the present invention and its test method.
In figure：
1 is gas furnace；11 be the first thermocouple；2 be feeder；3 be drag-line test specimen；31 be common drag-line；32 be anti-
Fire screen thermosphere；33 be the second thermocouple；34 be outer lining steel pipe；4 be control and display system；5 be thermocouple Acquisition Instrument；6 be anti-
Guncotton.
Embodiment
The present invention will be described for 1~accompanying drawing 6 below in conjunction with the accompanying drawings
Embodiment 1
As shown in Figure 1, a kind of drag-line fireproof performance test apparatus, including gas furnace 1, feeder 2, drag-line test specimen 3,
Control and display system 4, thermocouple Acquisition Instrument 5, anti-guncotton 6, the gas furnace 1 is connected with the pipeline of feeder 2, described
Anti- guncotton 6 encapsulates drag-line test specimen 3 in gas furnace 1, and the first thermocouple 11 is evenly equipped with the gas furnace 1, described to control and show
Show that system 4 electrically connects with the gas furnace 1, the thermocouple 11 of feeder 2 and first respectively, the drag-line test specimen 3 is provided with
Two thermocouples 33, the thermocouple Acquisition Instrument 5 electrically connect with second thermocouple 33.
4 the first thermocouples 11 are installed in upper surface, lower surface in the gas furnace 1；The drag-line test specimen 3 installation 8 the
Two thermocouples 33.
Embodiment 2
As shown in Figure 1, a kind of drag-line fireproof performance test apparatus, including gas furnace 1, feeder 2, drag-line test specimen 3,
Control and display system 4, thermocouple Acquisition Instrument 5, anti-guncotton 6, the gas furnace 1 is connected with the pipeline of feeder 2, described
Anti- guncotton 6 encapsulates drag-line test specimen 3 in gas furnace 1, and the first thermocouple 11 is evenly equipped with the gas furnace 1, described to control and show
Show that system 4 electrically connects with the gas furnace 1, the thermocouple 11 of feeder 2 and first respectively, drag-line test specimen 3 is provided with the second heat
Galvanic couple 33, the thermocouple Acquisition Instrument 5 electrically connect with second thermocouple 33.
As shown in Fig. 28 the second thermocouples 33, the outer cladding fire-proof and thermal-insulation of the second thermocouple 33 are installed on common drag-line 31
Layer 32.
As shown in figure 3, installing 8 the second thermocouples 33 on common drag-line 31, anti-fire screen is first coated outside the second thermocouple 33
Thermosphere 3 is set with outer lining steel pipe 34 again.
Embodiment 3
As shown in Figure 4, a kind of drag-line fireproof performance test apparatus, including gas furnace 1, feeder 2, drag-line test specimen 3,
Control and display system 4, thermocouple Acquisition Instrument 5, anti-guncotton 6, the gas furnace 1 is connected with the pipeline of feeder 2, described
Anti- guncotton 6 encapsulates drag-line test specimen 3 in gas furnace 1, and the first thermocouple 11 is evenly equipped with the gas furnace 1, described to control and show
Show that system 4 electrically connects with the gas furnace 1, the thermocouple 11 of feeder 2 and first respectively, the drag-line test specimen 3 is provided with
Two thermocouples 33, the thermocouple Acquisition Instrument 5 electrically connect with second thermocouple 33.
6 the first thermocouples 11 are installed in upper surface, lower surface in the gas furnace 1；The drag-line test specimen 3 installation 6 the
Two thermocouples 33.
As shown in figure 5,6 the second thermocouples 33 are installed on the common drag-line 31, the fire prevention of the outer cladding of the second thermocouple 33
Thermal insulation layer 32.
Embodiment 4
As shown in Figure 1, a kind of drag-line fireproof performance test apparatus, including gas furnace 1, feeder 2, drag-line test specimen 3,
Control and display system 4, thermocouple Acquisition Instrument 5, anti-guncotton 6, the gas furnace 1 is connected with the pipeline of feeder 2, described
Anti- guncotton 6 encapsulates drag-line test specimen 3 in gas furnace 1, and the first thermocouple 11 is evenly equipped with the gas furnace 1, described to control and show
Show that system 4 electrically connects with the gas furnace 1, the thermocouple 11 of feeder 2 and first respectively, the drag-line test specimen 3 is provided with
Two thermocouples 33, the thermocouple Acquisition Instrument 5 electrically connect with second thermocouple 33.
As shown in fig. 6, installing 4 the second thermocouples 33 on common drag-line 31, anti-fire screen is first coated outside the second thermocouple 33
Thermosphere 3 is set with outer lining steel pipe 34 again.
Drag-line fire-protecting test method is carried out using above-mentioned drag-line fireproof performance test apparatus, is comprised the following steps：
Step 1, make drag-line test specimen 3；Second thermocouple 33, the outer cladding of the second thermocouple 33 are installed on common drag-line 31
First cladding fire proof heat-insulation layer 32 is set with outer lining steel pipe 34 again outside the thermocouple 33 of fire proof heat-insulation layer 32 or second；
Step 2, encapsulation drag-line test specimen 3；Drag-line test specimen 3 is installed on gas furnace 1, gas furnace is encapsulated using anti-guncotton 6
Gap between 1 and drag-line test specimen 3；
Step 3, control supply and firing up；Control and display system 4 control feeder 2 to supply gas furnace 1,
Control and display system 4 control the firing up of gas furnace 1；Gas furnace 1 is at the appointed time warming up to assigned temperature T1 in t1 after, combustion
Steam stove 1 enters holding stage, and keeping temperature stabilizes to T1；
Step 4, collecting temperature data, thermocouple Acquisition Instrument 5 by the second thermocouple 33 gather drag-line test specimen 3 it is heat-insulated after
Drag-line surface temperature T changing values simultaneously show the temperature value changes；
Step 5, assess the fire protecting performance of drag-line test specimen 3；By the fire resistance period t 2 that assigned temperature T2 is raised to temperature T
Assess the fire protecting performance of drag-line test specimen 3：Fire resistance period t2 is longer, and the fire protecting performance of drag-line test specimen 3 is better；Or by specifying
After fire resistance period t3, the highest T3 that temperature T is increased to assess the fire protecting performance of drag-line test specimen 3：T3 is lower, drag-line test specimen 3
Fire protecting performance it is better.
In above-mentioned steps：
T1 is specified time, according to standard or customer requirement specify be raised to assigned temperature from room temperature used in time；
T2 is fire resistance period, since gas furnace reach assigned temperature after, to drag-line surface of test piece temperature reach standard or
The temperature that client specifies stops, the used time during this；
T3 is to specify fire resistance period, and the gas furnace specified according to standard or customer requirement starts after reaching assigned temperature, directly
To the time for meeting to specify duration requirement；
T is combustion gas furnace temperature, gas furnace displays temperature；
T1 is equilibrium temperature, is specified according to standard or client, and meets the temperature of fluctuation range；
T2 is assigned temperature, the temperature specified according to standard or client；
T3 is maximum temperature, and maximum temperature is generally less than and is equal to assigned temperature T2；More than assigned temperature T2, then illustrate drag-line
Fire protecting performance backlog demand.
Claims (5)
1. a kind of drag-line fireproof performance test apparatus, it is characterised in that including gas furnace (1), feeder (2), drag-line test specimen
(3), control and display system (4), thermocouple Acquisition Instrument (5), anti-guncotton (6), the gas furnace (1) and the feeder
(2) pipeline connects, and anti-guncotton (6) the encapsulation drag-line test specimen (3) is provided with the in gas furnace (1) in the gas furnace (1)
One thermocouple (11), it is described control and display system (4) respectively with the gas furnace (1), feeder (2) and the first thermocouple
(11) electrically connect, the drag-line test specimen (3) is provided with the second thermocouple (33), the thermocouple Acquisition Instrument (5) and described second
Thermocouple (33) electrically connects.
2. a kind of drag-line fireproof performance test apparatus according to claim 1, it is characterised in that in the gas furnace (1)
Upper surface and lower surface the first thermocouple (11) is installed respectively.
A kind of 3. drag-line fireproof performance test apparatus according to claim 1 or 2, it is characterised in that the drag-line test specimen
(3) thermocouple of even number second (33) is installed.
4. using the drag-line fire-protecting test method of the drag-line fireproof performance test apparatus described in claim 1, its feature exists
In comprising the following steps：
Step 1, make drag-line test specimen (3)；The second thermocouple (33) is installed on common drag-line (31), the second thermocouple (33) is outside
Coat fire proof heat-insulation layer (32)；
Step 2, encapsulation drag-line test specimen (3)；Drag-line test specimen (3) is installed on gas furnace (1), is encapsulated and fired using anti-guncotton (6)
Gap between steam stove (1) and drag-line test specimen (3)；
Step 3, control supply and firing up；Control and display system (4) control feeder (2) are supplied gas furnace (1)
Gas, control and display system (4) control gas furnace (1) firing up；Gas furnace (1) is within a specified time warming up to assigned temperature
Afterwards, gas furnace (1) enters holding stage；
Step 4, collecting temperature data, thermocouple Acquisition Instrument (5) are heat-insulated by the second thermocouple (33) collection drag-line test specimen (3)
Backstay surface temperature changing value simultaneously shows the temperature value changes；
Step 5, assess the fire protecting performance of drag-line test specimen (3).
5. using the drag-line fire-protecting test method of the drag-line fireproof performance test apparatus described in claim 1, its feature exists
In comprising the following steps：
Step 1, make drag-line test specimen (3)；The second thermocouple (33) is installed on common drag-line (31), the second thermocouple (33) is outside
First coat fire proof heat-insulation layer (32) and be set with outer lining steel pipe (34) again；
Step 2, encapsulation drag-line test specimen (3)；Drag-line test specimen (3) is installed on gas furnace (1), is encapsulated and fired using anti-guncotton (6)
Gap between steam stove (1) and drag-line test specimen (3)；
Step 3, control supply and firing up；Control and display system (4) control feeder (2) are provided gas furnace (1)
Combustion gas, control and display system (4) control gas furnace (1) firing up；Gas furnace (1), which is within a specified time warming up to, specifies temperature
After degree, gas furnace (1) enters holding stage；
Step 4, collecting temperature data, thermocouple Acquisition Instrument (5) are heat-insulated by the second thermocouple (33) collection drag-line test specimen (3)
Backstay surface temperature changing value simultaneously shows the temperature value changes；
Step 5, assess the fire protecting performance of drag-line test specimen (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711260394.4A CN107796850A (en) | 2017-12-04 | 2017-12-04 | A kind of drag-line fireproof performance test apparatus and its test method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711260394.4A CN107796850A (en) | 2017-12-04 | 2017-12-04 | A kind of drag-line fireproof performance test apparatus and its test method |
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| Publication Number | Publication Date |
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| CN107796850A true CN107796850A (en) | 2018-03-13 |
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ID=61538265
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111721888A (en) * | 2020-06-05 | 2020-09-29 | 上海核工程研究设计院有限公司 | Equipment availability test device and test method under hydrogen combustion environment |
| CN112903739A (en) * | 2021-02-23 | 2021-06-04 | 应急管理部四川消防研究所 | Fire resistance test method for steel shell concrete structure tunnel fire protection material |
| CN114324465A (en) * | 2021-09-13 | 2022-04-12 | 上海浦江缆索股份有限公司 | High-temperature-resistant test system and test method for bridge cable body |
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