CN102935275A - Test method and device for evaluating total flooding extinguishing performance - Google Patents
Test method and device for evaluating total flooding extinguishing performance Download PDFInfo
- Publication number
- CN102935275A CN102935275A CN2012105168599A CN201210516859A CN102935275A CN 102935275 A CN102935275 A CN 102935275A CN 2012105168599 A CN2012105168599 A CN 2012105168599A CN 201210516859 A CN201210516859 A CN 201210516859A CN 102935275 A CN102935275 A CN 102935275A
- Authority
- CN
- China
- Prior art keywords
- extinguishing
- total flooding
- chamber
- fire
- probe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010998 test method Methods 0.000 title claims abstract description 12
- 239000000523 sample Substances 0.000 claims abstract description 59
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000001301 oxygen Substances 0.000 claims abstract description 40
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 40
- 230000005855 radiation Effects 0.000 claims abstract description 24
- 238000012360 testing method Methods 0.000 claims abstract description 16
- 238000012545 processing Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000002485 combustion reaction Methods 0.000 claims description 59
- 238000005259 measurement Methods 0.000 claims description 33
- 230000007246 mechanism Effects 0.000 claims description 29
- 238000011156 evaluation Methods 0.000 claims description 14
- 239000000446 fuel Substances 0.000 claims description 10
- 239000000779 smoke Substances 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 239000010763 heavy fuel oil Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 239000007789 gas Substances 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 210000000664 rectum Anatomy 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The invention discloses a test method and a test device for evaluating total flooding extinguishing performance. The method comprises the following steps of: placing a fire extinguishing device with the total flooding extinguishing performance to be evaluated in a test box or an air inlet of the test box; igniting a burning cylinder in the test box; starting the fire extinguishing device to extinguish the fire; acquiring obscuration coefficients of different parts in a fire extinguishing space, heat radiation intensity of the parts at a certain distance from a fire source, the concentration of the oxygen in the fire extinguishing space, and the burning temperature of the fire source in the burning cylinder during extinguishing of the fire; then uploading the acquired data to a data processing device; and finally evaluating the total flooding extinguishing performance by the data processing device according to the acquired signals. The device comprises the test box, an obscuration coefficient measuring device, an oxygen measuring probe, a heat radiation probe, the burning cylinder, a thermocouple tree, a data acquiring device and the data processing device. The test method disclosed by the invention is carried out for the fire extinguishing device which is to perform total flooding extinguishing; and the fire extinguishing effect of the device is detected in a plurality of ways, so that the total flooding extinguishing performance can be effectively evaluated.
Description
Technical field
The present invention relates to the fire suppression applications technical field, particularly a kind of test method and device of estimating the total flooding extinguishing property.
Background technology
The total flooding fire extinguishing is to point to the guard plot to spurt the extinguishing chemical of design code consumption, and makes it be full of equably a kind of extinguishing method of putting out a fire in whole guard plot, mainly is that relatively local submerged is put out a fire.
But publication number is the full flooding automatic fire extinguisher that the Chinese patent of CN 201101839 discloses a kind of self check, comprise be filled with high-efficiency fire-extinguishant in one and drive pressure vessel with gases at high pressure, one with the joining shower nozzle of sealing for pressure vessels, an alarm display apparatus that is electrically connected with the electric elements of shower nozzle; Automatically a signal transducer of detected pressures container internal pressure decline is housed at the second latus rectum place of shower nozzle, the 3rd latus rectum place, four-way footpath, five-way at shower nozzle directly locate to be equipped with respectively aerating device, pressure relief device, pressure display unit, make the automatically pressure drop situation in the detected pressures container of extinguishing device, and give alarm during to certain value at pressure drop.Thereby solution has now when the pressure storage type automatic fire extinguisher has existed fire in long-term use procedure and can not start, and fails effectively in time to put out a fire after the scene of a fire is subjected to high temperature, and product after-sales service pressure release reaches and fills several large potential safety hazards such as difficult again.But the evaluation aspect for the total flooding extinguishing property does not provide corresponding enlightenment.
Be that the Chinese patent of CN 101066493 discloses total flood fire extinguishing nitrogen system in a kind of relative closure space as publication number, it comprises nitrogen gas transmission pipeline net work, flowmeter, magnetic valve, fire alarm control unit, pipeline, gas manifold, gas tip and fire detector; Described nitrogen air supply source is connected with flowmeter by pipeline, and described flowmeter links to each other with magnetic valve by pipeline, and described magnetic valve is connected by pipeline and gas manifold; Described gas manifold is connected with gas tip; Described fire detector is located at the inside, protection zone in relative closure space, and this fire detector is connected with fire alarm control unit by data line; Described fire alarm control unit is connected with magnetic valve with flowmeter by data line respectively; Described gas manifold, gas tip, fire detector all are located at the inside, protection zone in relative closure space.Its fire detector detects in the fire extinguishing practical application equally just, does not provide the enlightenment of relevant evaluation aspect to the total flooding extinguishing property.
Be necessary and the extinguishing property of total flooding extinguishing device estimated before reality is used, because the performance of extinguishing device can not reach desirable effect, it will cause great property loss when reality is used so, even casualties, therefore set up a kind of test method and the device that can estimate effectively, exactly the total flooding extinguishing property and have great importance.
Summary of the invention
Main purpose of the present invention is to overcome the shortcoming of prior art with not enough, a kind of test method of estimating the total flooding extinguishing property is provided, the method is to carry out for the extinguishing device that will carry out the total flooding fire extinguishing, the fire extinguishing effect of this device is detected from aspects such as the combustion position of the heat radiation screening performance of the concentration of extinguishing chemical, extinguishing chemical, burning things which may cause a fire disaster, oxygen concentrations, effectively the total flooding extinguishing property is estimated.
Another object of the present invention is to overcome the shortcoming of prior art with not enough, a kind of experimental rig of realizing the test method of above-mentioned evaluation total flooding extinguishing property is provided, this apparatus structure is simple, comprises that multiple measurement mechanism can detect a plurality of indexs, and accuracy of detection is high.
Purpose of the present invention realizes by following technical scheme: a kind of test method of estimating the total flooding extinguishing property, be placed in the chamber extinguishing device of total flooding extinguishing property to be evaluated or chamber air inlet place, then light the combustion barrel in the chamber, opening extinguishing device puts out a fire, in fire extinguishing procedure, the put out a fire obscuration coefficient of diverse location in the space of Real-time Collection, burning things which may cause a fire disaster a distance caloradiance, the ignition temperature of burning things which may cause a fire disaster in oxygen concentration and the combustion barrel in the fire extinguishing space, then the data upload that collects is arrived data processing equipment, when the maximum temperature of burning things which may cause a fire disaster in the combustion barrel is reduced to 100 ~ 200 ℃, represent that then flame extinguishes, each parameter during the record fray-out of flame, comprise the time, oxygen concentration, obscuration coefficient, the data such as caloradiance, thus realization is to the overall merit of total flooding extinguishing property.In the signal that gathers, by in real time the obscuration coefficient of diverse location in the total flooding fire extinguishing space being measured, can estimate the concentration of extinguishing chemical, by real-time measurement to burning things which may cause a fire disaster a distance caloradiance, can estimate the heat radiation screening performance of extinguishing chemical, by oxygen concentration information in the fire extinguishing space is measured, can estimate the fire extinguishing effect in the unit interval, ignition temperature by burning things which may cause a fire disaster in the combustion barrel is measured, can estimate the combustion position of burning things which may cause a fire disaster, thereby effectively the total flooding extinguishing property be estimated.
Specifically comprise following steps:
(1) initializes: extinguishing device is set in the chamber, the valve opening of the enterprising air port of chamber and air outlet is set; Will be for the obscuration coefficient measurement mechanism of obscuration coefficient, be used for measuring the heat radiation probe of caloradiance, the thermocouple tree that is used for measuring the oxygen measuring probe of oxygen concentration and is used for measuring the burning things which may cause a fire disaster ignition temperature is separately positioned on the chamber relevant position; Above-mentioned measurement mechanism is connected with the data processing equipment signal respectively; The combustion barrel of fueling is placed on the precalculated position;
(2) test process: the fuel in the ignition combustion cylinder, then the door of closing test case starts extinguishing device, and obscuration coefficient measurement mechanism, heat radiation probe, oxygen measuring probe and thermocouple tree gather current data in real time to data processing equipment;
(3) subsequent treatment: when the maximum temperature of burning things which may cause a fire disaster in the combustion barrel is reduced to 100 ~ 200 ℃, represent that then flame extinguishes, stop afterwards extinguishing device, the valve opening of air inlet and air outlet is transferred to maximum, begin smoke evacuation; Case to be tested is non smoke, checks then whether the fuel in the combustion barrel also has residue, then lights residual fuel if any residue, repeats step (2), makes complete combustion of fuel; If no, then record the data that gather, off-test.
A kind of device of realizing the evaluation total flooding extinguishing property of said method, comprise: chamber, obscuration coefficient measurement mechanism, oxygen measuring probe, heat radiation probe, combustion barrel, thermocouple tree, data acquisition unit and data processing equipment, wherein chamber bottom one side is provided with air inlet, is provided with exhaust outlet in the chamber center of top; Obscuration coefficient measurement mechanism and oxygen measuring probe are arranged in the chamber; Heat radiation probe is located near the combustion barrel, and probe is all towards the upper shed of combustion barrel; Each temperature probe in the thermocouple tree be positioned at combustion barrel directly over the differing heights place; Obscuration coefficient measurement mechanism, oxygen measuring probe, heat radiation probe, thermocouple tree are connected with the data acquisition unit signal respectively, data acquisition unit is connected with data processing equipment, during work, the extinguishing device of total flooding extinguishing property to be evaluated is placed in the chamber or chamber air inlet place.
Preferably, described air inlet and exhaust outlet place are provided with the air velocity transducer for measuring wind, and air velocity transducer links to each other with data processing equipment by data acquisition unit.Operating personnel can come wind speed is regulated by the valve of regulating air inlet and exhaust outlet place according to data that air velocity transducer is surveyed.
Further, the output signal of described air velocity transducer is 4 ~ 20mA.
Preferably, the device of described evaluation total flooding extinguishing property comprises 1 ~ 5 dimming system measurement mechanism.
Further, described each obscuration coefficient measurement mechanism comprises 1 light source and 1 receiver, and the input voltage of its light source is 1 ~ 24V, and the output signal range of receiver is 0 ~ 1A.
Preferably, described oxygen measuring probe, its output signal range are 0 ~ 1V, and quantity is 1 ~ 5.
Preferably, described heat radiation probe, its output signal range is 0 ~ 1V, quantity is 1 ~ 5.
Heat radiation probe can be arranged on apart from burning things which may cause a fire disaster horizontal range 100 ~ 300mm scope, and probe is to ignition source, and probe, arranges like this and can reach reasonable measurement effect on the vertical height than the high 100mm of combustion barrel apart from the height on ground.The obscuration coefficient measurement mechanism and the oxygen measuring probe that arrange in theory are more, more can understand the distribution of each point oxygen concentration in the distribution of extinguishing chemical in the total flooding zone and the total flooding zone, the dimming system measurement mechanism is nearer apart from combustion barrel, more can monitor actual agent concentration around burning things which may cause a fire disaster, oxygen measuring probe is nearer apart from combustion barrel, more can monitor actual oxygen concentration around burning things which may cause a fire disaster, but the volume in concrete setting position and total flooding zone and the height of combustion barrel there is relation.A kind of better scheme is, on the vertical height than the high 100mm of combustion barrel, the position that is respectively 200mm, 400mm, 600mm, 800mm, 1000mm apart from combustion barrel edge horizontal length arranges that respectively 1 cover obscuration coefficient measurement mechanism and 1 cover oxygen measuring probe can obtain reasonable measurement effect.If but total flooding is regional smaller, also can suitably reduces the quantity of obscuration coefficient measurement mechanism and oxygen measuring probe or reduce and also can reach reasonable effect apart from combustion barrel edge horizontal length.
Concrete, the quantity that described thermocouple tree comprises armoured thermocouple is 2 ~ 10, the diameter of armoured thermocouple is 0.2 ~ 3mm.
Preferably, described combustion barrel is made by iron or stainless steel, and diameter is 10 ~ 500mm, highly is 100 ~ 500mm, and wall thickness is 0.2 ~ 5mm.
Preferably, described chamber inner space is cube, and volume is 0.5 ~ 30m
3
As preferably, described chamber comprises 1 door, and door is provided with door hinge, handle and sealing device, and the area of door is 0.5 ~ 2.0m
2
The present invention compared with prior art has following advantage and beneficial effect:
(1) the present invention adopts the method for measuring the diverse location obscuration coefficient in the total flooding guard plot, estimates the agent concentration in the total flooding guard plot, and the distribution of extinguishing chemical, thereby realizes the measurement to extinguishing chemical distribution in the total flooding guard plot.
(2) the present invention can control from the air mass flow of total flooding guard plot turnover exactly by the setting of air inlet and exhaust outlet is set, thereby can simulate truly the environmental condition of total flooding fire extinguishing.
(3) the present invention can measure the oxygen concentration of diverse location in the total flooding guard plot effectively by at diverse location oxygen measuring probe being set, thereby realizes the effect of suffocating of total flooding fire extinguishing is estimated effectively.
Description of drawings
Fig. 1 is the structural representation of apparatus of the present invention.
The specific embodiment
The present invention is described in further detail below in conjunction with embodiment and accompanying drawing, but embodiments of the present invention are not limited to this.
Embodiment 1
As shown in Figure 1, a kind of experimental rig of estimating the total flooding extinguishing property of the present embodiment, comprise: chamber 1, exhaust outlet 2, air inlet 3, obscuration coefficient measurement mechanism 4, oxygen measuring probe 5, heat radiation probe 6, combustion barrel 7, thermocouple tree 8, air velocity transducer 9, data acquisition unit 10, computer 11 give the extinguishing device 12 of total flooding extinguishing property to be evaluated among the figure.Wherein air inlet 3 is arranged on the bottom of chamber 1 one sides, and exhaust outlet 2 is arranged on the center of top of chamber 1, and air inlet and exhaust outlet place are provided with the air velocity transducer for measuring wind.Each temperature probe of thermocouple tree 8 be positioned at combustion barrel 7 directly over the differing heights place, heat radiation probe 6 is positioned near the combustion barrel 7, probe is towards the upper shed of combustion barrel 7, oxygen measuring probe 5 and obscuration coefficient are measured 4 devices and are positioned at chamber 1 diverse location, the signal output part of oxygen measuring probe 5, heat radiation probe 6, thermocouple tree 8, air velocity transducer 9, obscuration coefficient measurement mechanism 4 links to each other with data acquisition unit 10, and data acquisition unit 10 links to each other with computer 11.
In the present embodiment, obscuration coefficient measurement mechanism 4 contains 1 light source and 1 receiver, and the input voltage of its light source is 12V, and the output signal range of receiver is 0 ~ 1A, and the quantity of dimming system measurement mechanism is 1.
In the present embodiment, oxygen measuring probe 5, its output signal range are 0 ~ 1V, and quantity is 1.
In the present embodiment, heat radiation probe 6, its output signal range is 0 ~ 1V, quantity is 1.Heat radiation probe is arranged on apart from burning things which may cause a fire disaster horizontal range 100 ~ 300mm scope, and probe is to ignition source, probe apart from the height on ground on the vertical height than the high 100mm of combustion barrel.
In the present embodiment, thermocouple tree 8 quantity that comprise armoured thermocouple are 4, and the diameter of armoured thermocouple is 0.5mm.
In the present embodiment, the output signal of air velocity transducer 9 is 4 ~ 20mA, respectively arranges 1 at exhaust outlet 2 and air inlet 3.
In the present embodiment, combustion barrel 7 is made by stainless steel, and diameter is 100mm, highly is 150mm, and wall thickness is 1mm.
In the present embodiment, chamber 1 inner space is cube, and volume is 1m
3, chamber 1 comprises 1 door, door band door hinge, handle and sealing device, and the area of door is 0.5m
2
In the present embodiment, extinguishing device 12 is arranged on chamber 1 interior direct dispensing firing-fighting medium fire extinguishing.
A kind of test method of the total flooding extinguishing property of being realized by device shown in Figure 1, be placed in the chamber extinguishing device of total flooding extinguishing property to be evaluated or chamber air inlet place, then light the combustion barrel in the chamber, opening extinguishing device puts out a fire, in fire extinguishing procedure, the put out a fire obscuration coefficient of diverse location in the space of Real-time Collection, burning things which may cause a fire disaster a distance caloradiance, the ignition temperature of burning things which may cause a fire disaster in oxygen concentration and the combustion barrel in the fire extinguishing space, then the data upload that collects is arrived data acquisition unit, computer, when the maximum temperature of burning things which may cause a fire disaster in the combustion barrel is reduced to 100 ~ 200 ℃, represent that then flame extinguishes, each parameter during the record fray-out of flame, comprise the time, oxygen concentration, obscuration coefficient, the data such as caloradiance, thus realization is to the overall merit of total flooding extinguishing property.
Specifically comprise following steps:
(1) opens the door of chamber 1, at the good extinguishing device 12 of chamber 1 internally and externally set and corollary system, so that extinguishing device 12 can operate control outside chamber 1;
(2) set the valve opening of air inlet 3 and air outlet 2, can satisfy in the process of the test requirement to air velocity;
(3) fix oxygen measuring probe 5, heat radiation probe 6, thermocouple tree 8, obscuration coefficient measurement mechanism 4, and guarantee that itself and computer 11 and data acquisition unit 10 communications are good;
(4) fuel that filling in the combustion barrel 7 is required, and the precalculated position of placing;
(5) running software of data collecting system on the startup computer, the beginning record test data;
(6) after the data logging software normal operation on the computer to be confirmed, the fuel in the ignition combustion cylinder 7;
(7) door of closing test case 1;
(8) start extinguishing device 12, begin fire extinguishing.
(9) data of analysis data collecting system when the maximum temperature of burning things which may cause a fire disaster in the combustion barrel is reduced to 100 ~ 200 ℃, are confirmed combustion barrel 7 fray-outs of flame, stop extinguishing device 12.
(10) aperture with air inlet 3 and air outlet 4 transfers to maximum, begins smoke evacuation.
(11) data of analysis data collecting system, validation test case 1 is non smoke, then opens the door of chamber 1, checks whether the fuel in the combustion barrel 7 also has residue, then lights residual fuel if any residue, makes complete combustion of fuel.
(12) burning is finished such as residual fuel, stops data logging software, off-test.
Embodiment 2
The present embodiment except following characteristics other structures with embodiment 1:
In the present embodiment, obscuration coefficient measurement mechanism 4, quantity is 3.Position is: on the vertical height than the high 100mm of combustion barrel, the position that is respectively 200mm, 400mm, 600mm apart from combustion barrel edge horizontal length is respectively arranged 1.
In the present embodiment, oxygen measuring probe 5, quantity is 3.Position is: on the vertical height than the high 100mm of combustion barrel, the position that is respectively 200mm, 400mm, 600mm apart from combustion barrel edge horizontal length is respectively arranged 1.
In the present embodiment, thermocouple tree 8 quantity that comprise armoured thermocouple are 5, and the diameter of armoured thermocouple is 1mm.
In the present embodiment, the height of combustion barrel 7 is 200mm, and wall thickness is 0.3mm.
In the present embodiment, chamber 1 inner space is cube, and volume is 27m
3, chamber 1 comprises 1 door, and the area of door is 1.5m
2
In the present embodiment, extinguishing device 12 is arranged on outside the chamber 1 and puts out a fire to chamber by air inlet 3 dispensing firing-fighting mediums.
Embodiment 3
The present embodiment except following characteristics other structures with embodiment 1:
In the present embodiment, obscuration coefficient measurement mechanism 4, quantity is 2.
In the present embodiment, oxygen measuring probe 5, quantity is 2.
In the present embodiment, thermocouple tree 8 quantity that comprise armoured thermocouple are 3.
In the present embodiment, chamber 1 inner space is cube, and volume is 8m
3, chamber 1 comprises 1 door, and the area of door is 1m
2
Above-described embodiment is the better embodiment of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. test method of estimating the total flooding extinguishing property, it is characterized in that, be placed in the chamber extinguishing device of total flooding extinguishing property to be evaluated or chamber air inlet place, then light the combustion barrel in the chamber, opening extinguishing device puts out a fire, the Real-time Collection ignition temperature of burning things which may cause a fire disaster in the oxygen concentration and combustion barrel of in fire extinguishing procedure, putting out a fire in the obscuration coefficient, burning things which may cause a fire disaster a distance caloradiance, fire extinguishing space of diverse location in the space, then with the data upload that collects to data processing equipment; When the maximum temperature of burning things which may cause a fire disaster in the combustion barrel is reduced to 100 ~ 200 ℃, represent that then flame extinguishes, time, obscuration coefficient, caloradiance, oxygen concentration during the record fray-out of flame, thus realization is to the overall merit of total flooding extinguishing property.
2. the test method of evaluation total flooding extinguishing property according to claim 1 is characterized in that, comprises following steps:
(1) initializes: be set in extinguishing device in the chamber or chamber air inlet place, the valve opening of the enterprising air port of chamber and air outlet is set; Will be for the obscuration coefficient measurement mechanism of obscuration coefficient, be used for measuring the heat radiation probe of caloradiance, the thermocouple tree that is used for measuring the oxygen measuring probe of oxygen concentration and is used for measuring the burning things which may cause a fire disaster ignition temperature is separately positioned on the chamber relevant position; Above-mentioned measurement mechanism is connected with the data processing equipment signal respectively; The combustion barrel of fueling is placed on the precalculated position;
(2) test process: the fuel in the ignition combustion cylinder, then the door of closing test case starts extinguishing device, and obscuration coefficient measurement mechanism, heat radiation probe, oxygen measuring probe and thermocouple tree gather current data in real time to data processing equipment;
(3) subsequent treatment: when the maximum temperature of burning things which may cause a fire disaster in the combustion barrel is reduced to 100 ~ 200 ℃, represent that then flame extinguishes, stop afterwards extinguishing device, the valve opening of air inlet and air outlet is transferred to maximum, begin smoke evacuation; Case to be tested is non smoke, checks then whether the fuel in the combustion barrel also has residue, then lights residual fuel if any residue, repeats step (2), makes complete combustion of fuel; If no, then record the data that gather, off-test.
3. experimental rig of estimating the total flooding extinguishing property, it is characterized in that, comprise: chamber, obscuration coefficient measurement mechanism, oxygen measuring probe, heat radiation probe, combustion barrel, thermocouple tree, data acquisition unit and data processing equipment, wherein chamber bottom one side is provided with air inlet, is provided with exhaust outlet in the chamber center of top; Obscuration coefficient measurement mechanism and oxygen measuring probe are arranged in the chamber; Heat radiation probe is located near the combustion barrel, and probe is all towards the upper shed of combustion barrel; Each temperature probe in the thermocouple tree be positioned at combustion barrel directly over the differing heights place; Obscuration coefficient measurement mechanism, oxygen measuring probe, heat radiation probe, thermocouple tree are connected with the data acquisition unit signal respectively, data acquisition unit is connected with data processing equipment, during work, the extinguishing device of total flooding extinguishing property to be evaluated is placed in the chamber or chamber air inlet place.
4. the experimental rig of evaluation total flooding extinguishing property according to claim 3 is characterized in that, described air inlet and exhaust outlet place are provided with the air velocity transducer for measuring wind, and air velocity transducer links to each other with data processing equipment by data acquisition unit.
5. the experimental rig of evaluation total flooding extinguishing property according to claim 4 is characterized in that, the output signal of described air velocity transducer is 4 ~ 20mA.
6. the experimental rig of evaluation total flooding extinguishing property according to claim 4 is characterized in that, the device of described evaluation total flooding extinguishing property comprises 1 ~ 5 dimming system measurement mechanism.
7. the experimental rig of evaluation total flooding extinguishing property according to claim 6, it is characterized in that, described each obscuration coefficient measurement mechanism comprises 1 light source and 1 receiver, and the input voltage of its light source is 1 ~ 24V, and the output signal range of receiver is 0 ~ 1A.
8. the experimental rig of evaluation total flooding extinguishing property according to claim 6 is characterized in that, described oxygen measuring probe, its output signal range are 0 ~ 1V, and quantity is 1 ~ 5;
Described heat radiation probe, its output signal range is 0 ~ 1V, quantity is 1 ~ 5;
The quantity that described thermocouple tree comprises armoured thermocouple is 2 ~ 10, and the diameter of armoured thermocouple is 0.2 ~ 3mm.
9. the experimental rig of evaluation total flooding extinguishing property according to claim 8, it is characterized in that, obscuration coefficient measurement mechanism and oxygen measuring probe setting position limit as follows: on the vertical height than the high 100mm of combustion barrel, apart from combustion barrel edge horizontal length be n, 2*n ..., the m*n place arranges respectively 1; Wherein n is the distance at interval, 1≤m≤5;
Heat radiation probe is arranged on apart from burning things which may cause a fire disaster horizontal range 100 ~ 300mm scope, and probe is to ignition source, probe apart from the height on ground on the vertical height than the high 100mm of combustion barrel.
10. the experimental rig of evaluation total flooding extinguishing property according to claim 9 is characterized in that, described combustion barrel is made by iron or stainless steel, and diameter is 10 ~ 500mm, highly is 100 ~ 500mm, and wall thickness is 0.2 ~ 5mm;
Described chamber inner space is cube, and volume is 0.5 ~ 30m
3
Described chamber comprises 1 door, and door is provided with door hinge, handle and sealing device, and the area of door is 0.5 ~ 2.0m
2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210516859.9A CN102935275B (en) | 2012-12-05 | 2012-12-05 | A kind of test method and device evaluating total flooding extinguishing property |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210516859.9A CN102935275B (en) | 2012-12-05 | 2012-12-05 | A kind of test method and device evaluating total flooding extinguishing property |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102935275A true CN102935275A (en) | 2013-02-20 |
| CN102935275B CN102935275B (en) | 2015-08-05 |
Family
ID=47694218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210516859.9A Expired - Fee Related CN102935275B (en) | 2012-12-05 | 2012-12-05 | A kind of test method and device evaluating total flooding extinguishing property |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102935275B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103520865A (en) * | 2013-10-23 | 2014-01-22 | 中国科学技术大学 | Atomizing burner for determining fire extinguishing performance of gaseous extinguishing agent |
| CN104076119A (en) * | 2014-06-18 | 2014-10-01 | 广州市建筑材料工业研究所有限公司 | Device and method for measuring liquid combustion characteristic |
| CN105784768A (en) * | 2016-03-07 | 2016-07-20 | 南京工业大学 | Oxygen sensitivity test system and test method thereof |
| CN106093283A (en) * | 2016-06-22 | 2016-11-09 | 公安部上海消防研究所 | The test method of a kind of Fast Evaluation lithium battery fire extinguishing property and device |
| CN106482644A (en) * | 2016-08-30 | 2017-03-08 | 公安部上海消防研究所 | A kind of apparatus and method for testing lithium battery Combustion flame height |
| CN108853837A (en) * | 2018-08-02 | 2018-11-23 | 上汽时代动力电池系统有限公司 | A kind of walk-in type temperature testing device |
| CN110068763A (en) * | 2019-05-30 | 2019-07-30 | 国网安徽省电力有限公司电力科学研究院 | A kind of battery thermal safety and fire extinguishing system comprehensive detection platform |
| CN110211475A (en) * | 2019-06-28 | 2019-09-06 | 上海海事大学 | One kind being based on a variety of inert gas mixing extinguishing test devices |
| CN112619017A (en) * | 2020-12-17 | 2021-04-09 | 中国中元国际工程有限公司 | Automatic water spray fire extinguishing efficiency test system |
| CN116721512A (en) * | 2023-08-10 | 2023-09-08 | 泰山学院 | Autonomous navigation robot environment perception control method and system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001095944A (en) * | 1999-10-04 | 2001-04-10 | Hochiki Corp | Sprinkler head and fire extinguishing equipment and sprinkler head performance evaluation method |
| CN2504504Y (en) * | 2001-09-28 | 2002-08-07 | 宝山钢铁股份有限公司 | Low heat value gas burning dispersing device |
| CN1467036A (en) * | 2002-07-12 | 2004-01-14 | 中国科学技术大学 | Strile-back experiment equipment |
| CN101066493A (en) * | 2007-06-06 | 2007-11-07 | 北京海安高科消防技术有限公司 | Submerged fire extinguishing nitrogen system for closed space |
| CN102160919A (en) * | 2011-04-06 | 2011-08-24 | 公安部天津消防研究所 | Method and device for testing performance of temperature sensitive extinguishing tube |
| JP2011189110A (en) * | 2010-02-22 | 2011-09-29 | Hochiki Corp | Fire extinguishing equipment |
| CN202942579U (en) * | 2012-12-05 | 2013-05-22 | 中山大学 | Testing apparatus for evaluating total-flooding fire extinguishing performance |
-
2012
- 2012-12-05 CN CN201210516859.9A patent/CN102935275B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001095944A (en) * | 1999-10-04 | 2001-04-10 | Hochiki Corp | Sprinkler head and fire extinguishing equipment and sprinkler head performance evaluation method |
| CN2504504Y (en) * | 2001-09-28 | 2002-08-07 | 宝山钢铁股份有限公司 | Low heat value gas burning dispersing device |
| CN1467036A (en) * | 2002-07-12 | 2004-01-14 | 中国科学技术大学 | Strile-back experiment equipment |
| CN101066493A (en) * | 2007-06-06 | 2007-11-07 | 北京海安高科消防技术有限公司 | Submerged fire extinguishing nitrogen system for closed space |
| JP2011189110A (en) * | 2010-02-22 | 2011-09-29 | Hochiki Corp | Fire extinguishing equipment |
| CN102160919A (en) * | 2011-04-06 | 2011-08-24 | 公安部天津消防研究所 | Method and device for testing performance of temperature sensitive extinguishing tube |
| CN202942579U (en) * | 2012-12-05 | 2013-05-22 | 中山大学 | Testing apparatus for evaluating total-flooding fire extinguishing performance |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103520865A (en) * | 2013-10-23 | 2014-01-22 | 中国科学技术大学 | Atomizing burner for determining fire extinguishing performance of gaseous extinguishing agent |
| CN103520865B (en) * | 2013-10-23 | 2015-11-18 | 中国科学技术大学 | A kind of atomizing burner of mensurated gas composition extinguishing chemical extinguishing property |
| CN104076119A (en) * | 2014-06-18 | 2014-10-01 | 广州市建筑材料工业研究所有限公司 | Device and method for measuring liquid combustion characteristic |
| CN105784768A (en) * | 2016-03-07 | 2016-07-20 | 南京工业大学 | Oxygen sensitivity test system and test method thereof |
| CN105784768B (en) * | 2016-03-07 | 2018-06-05 | 南京工业大学 | Oxygen sensitivity test system and test method thereof |
| CN106093283B (en) * | 2016-06-22 | 2017-12-29 | 公安部上海消防研究所 | A kind of test method and device of Fast Evaluation lithium battery fire fire fighting with fire extinguisher performance |
| CN106093283A (en) * | 2016-06-22 | 2016-11-09 | 公安部上海消防研究所 | The test method of a kind of Fast Evaluation lithium battery fire extinguishing property and device |
| CN106482644A (en) * | 2016-08-30 | 2017-03-08 | 公安部上海消防研究所 | A kind of apparatus and method for testing lithium battery Combustion flame height |
| CN108853837A (en) * | 2018-08-02 | 2018-11-23 | 上汽时代动力电池系统有限公司 | A kind of walk-in type temperature testing device |
| CN108853837B (en) * | 2018-08-02 | 2023-07-07 | 上汽时代动力电池系统有限公司 | Walk-in temperature test device |
| CN110068763A (en) * | 2019-05-30 | 2019-07-30 | 国网安徽省电力有限公司电力科学研究院 | A kind of battery thermal safety and fire extinguishing system comprehensive detection platform |
| CN110211475A (en) * | 2019-06-28 | 2019-09-06 | 上海海事大学 | One kind being based on a variety of inert gas mixing extinguishing test devices |
| CN112619017A (en) * | 2020-12-17 | 2021-04-09 | 中国中元国际工程有限公司 | Automatic water spray fire extinguishing efficiency test system |
| CN116721512A (en) * | 2023-08-10 | 2023-09-08 | 泰山学院 | Autonomous navigation robot environment perception control method and system |
| CN116721512B (en) * | 2023-08-10 | 2023-10-17 | 泰山学院 | Autonomous navigation robot environment perception control method and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102935275B (en) | 2015-08-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102935275B (en) | A kind of test method and device evaluating total flooding extinguishing property | |
| CN206177860U (en) | Full -scale multi -functional vary voltage of plane cargo space experiment test system | |
| CN104880532A (en) | Comparative test system of fire extinguishing performance of water additive agent for firefighting and using method of comparative test system | |
| CN104297006B (en) | LNG leakage water curtain restraint experiment device | |
| CN113624405B (en) | Hydrogen leakage diffusion test device in limited space | |
| US11255777B2 (en) | Automated remote gas monitoring and flare control system | |
| CN105957293A (en) | Fire monitoring method and system for containment vessel of nuclear power station during bulge test | |
| CN202942579U (en) | Testing apparatus for evaluating total-flooding fire extinguishing performance | |
| CN104297424B (en) | LNG leaks water curtain Inhibition test method | |
| CN102679169A (en) | Nuclear power station pressure pipeline leakage acoustic emission monitoring method and monitoring system thereof | |
| CN105651695A (en) | Simulation test apparatus used for harmful gas detector, and simulated test method thereof | |
| CN102788179B (en) | Novel wrong gas cut-off prevention electronic safety monitor | |
| CN106767200B (en) | Fireworks and firecrackers environmental-protecting performance detection device | |
| CN206657469U (en) | A kind of detection means for fire-fighting smoke detector | |
| CN205748959U (en) | A kind of assay device for pipeline explosion arrestment spark arrester performance test | |
| RU74962U1 (en) | SYSTEM OF AUTOMATIC CONTROL OF THE STATE OF THE ATMOSPHERE AND LOCALIZATION OF EXPLOSIONS AND FIRE IN MINING | |
| CN104792661A (en) | Liquefied natural gas leakage diffusion fire disaster integrated experimental platform | |
| CN108310700A (en) | A kind of substation cable layer fire extinguishing system based on image fire detection device | |
| CN104778895A (en) | Comprehensive fire test system for large-section immersed tunnel | |
| CN209821142U (en) | Forest mountain soil normal position fire analogue test device | |
| CN104677659B (en) | Big cross section immersed tube tunnel fire disaster simulation system | |
| CN206459572U (en) | Fireworks and firecrackers environmental-protecting performance detection means | |
| CN203577191U (en) | Firefighting testing device special for wind turbine generator system | |
| CN115445135A (en) | Concatenation formula utility tunnel conflagration experimental apparatus | |
| CN104329085A (en) | Component monitoring system in shale gas exploitation process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20201205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |