CN104006936B - A kind of device and method for detecting fire-protection valve inleakage and fire resistance - Google Patents
A kind of device and method for detecting fire-protection valve inleakage and fire resistance Download PDFInfo
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- CN104006936B CN104006936B CN201410248078.5A CN201410248078A CN104006936B CN 104006936 B CN104006936 B CN 104006936B CN 201410248078 A CN201410248078 A CN 201410248078A CN 104006936 B CN104006936 B CN 104006936B
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Abstract
A kind of device and method for detecting fire-protection valve inleakage and fire resistance；Device includes fire test furnace；First connecting tube is connected with its fire door and is provided with thermocouple；Fire resisting damper test specimen it is connected between first connecting tube with the second connecting tube；Equipped with gas flowmeter, pressure equalizer in second connecting tube, second connecting tube is sequentially connected with gas flow regulator backward, connects chiller, the 3rd connecting tube, and the 3rd connecting tube fills test specimen pressure equalizer, pressure reduction let-off gear(stand), pipeline thermoelectric idol, flow equalizer successively；3rd connecting tube connects high-temperature flexible connecting tube, then connects the 4th connecting tube, electric control valve, the 5th connecting tube backward, and the 5th connecting tube is connected with wind wing cover, connects sheath and wind wing cover and air-introduced machine is connected as a single entity；Described air-introduced machine, electric control valve, chiller are separately mounted on a dolly.The present invention can complete the detection of fire-protection valve inleakage and fire resistance, and simple operation, the personnel that take are few, work efficiency is high.
Description
Technical field
The present invention relates to the device and method for detecting fire-protection valve, especially building ventilation and smoke evacuation system
Fire-protection valve in system.
Background technology
Building ventilation and the quality testing to be carried out of smoke evacuation system fire-protection valve, wherein two detections: one is ring
Air leakage rate check at a temperature of border, two is the detection of fire resistance.
In the GB15930-2007 performed at present:
One, the air leakage rate check under ambient temperature:
(1) fire resisting damper or smoke exhaust fire damper blade both sides at ambient temperature, are made to keep 300Pa ± 15Pa
Gas-static poor, the inleakage (standard state) in its unit are should be not more than 500m3/(m2h)；
(2) fire resisting damper or smoke exhaust fire damper blade both sides at ambient temperature, are made to keep 1000Pa ± 15Pa
Gas-static poor, the inleakage (standard state) in its unit are should be not more than 700m3/(m2h)；
Two, fire resistance detection:
(1), in fire resistance test starts rear 1min, the heat detector of fire resisting damper answers action, valve closing；
(2), in fire resistance test starts rear 3min, the heat detector of smoke exhaust fire damper answers action, valve closing；
(3) in the fire resistance period of regulation, fire resisting damper or smoke exhaust fire damper blade both sides are made to keep 300Pa
The gas-static of ± 15Pa is poor, and the leakage smoke (standard state) in its its unit are should be not more than
700m3/(m2h)；
(4) in the fire resistance period of regulation, should there is not continuous 10s in fire resisting damper or smoke-exhaust fire valve surface
Above flame；
(5) fire resistance period of fire resisting damper or smoke exhaust fire damper should be not less than 1.50h.
The most above-mentioned two detections are respectively adopted set of device and individually carry out, and detection efficiency is the most very
Low, it is the most convenient that detection device also operates, and it is many to take personnel.In the urgent need to a kind of simple operation,
The detection device that efficiency is high, the personnel that take are few.
Summary of the invention
For the shortcoming overcoming above-mentioned prior art to exist, it is an object of the invention to provide a kind of for detecting
Fire-protection valve inleakage and the device and method of fire resistance, complete fire-protection valve inleakage and fire resistance
Detection, simple operation, the personnel that take are few, work efficiency is high.
In order to solve the problems referred to above, the present invention provide for detecting fire-protection valve inleakage and fire resistance
Device；Including fire test furnace；Fire test furnace is provided with fire door, fire test furnace is provided with multiple
Gas nozzle, fire resistance test furnace bottom is provided with air outlet, and air outlet connects fire test furnace pressure fan,
Fire test furnace top arranges waste gas outlet；A plate is by the fire door of the first connecting tube Yu fire test furnace
Connecting, the first connecting tube is provided with five thermocouples；
The other end of the first connecting tube is equipped with fire resisting damper test specimen, at the other end of fire resisting damper test specimen equipped with second
Connecting tube；Equipped with gas flowmeter and pressure equalizer in the second connecting tube, at the end of the second connecting tube
Holding by Flange joint gas flow regulator, the other end of gas flow regulator connects chiller,
The other end of chiller arranges flange, and is connected by this flange and the 3rd connecting tube, connects the 3rd
It is sequentially arranged with test specimen pressure equalizer and pressure reduction let-off gear(stand) on pipe and pipeline thermoelectric is even, flow equalizer；
The other end of the 3rd connecting tube is connected with one end of high-temperature flexible connecting tube, at resistance to height by flange
The other end of temperature flexible steel in flat section tubing is connected with the 4th connecting tube by flange, and the other end in the 4th connecting tube fills
There is electric control valve, at the other end of electric control valve equipped with the 5th connecting tube, the 5th connecting tube and wind wing
Cover connects, and connects sheath and wind wing cover and air-introduced machine is connected as a single entity；
Described air-introduced machine, electric control valve, chiller are separately mounted on three dollies；
The bottom of three dollies is provided with two universal wheels and two castors, and described universal wheel is arranged on dolly
Rear end, described castor is in the front end of dolly；Equipped with driven axle between two castors on same dolly, at quilt
The middle part of moving axis is equipped with by movable sprocket, and chain will be connected by movable sprocket and drive sprocket, and drive sprocket is contained in
On the output shaft of reduction box, the power shaft of reduction box is connected with motor, and described motor and reduction box are arranged on
Below the base plate of dolly.
Further technical scheme；This detection device also includes PLC master controller；The plurality of gas injection
Mouth includes side gas nozzle, positive gas nozzle；Described gas nozzle connects gas nozzle actuator；Institute
State air-introduced machine connection and have air-introduced machine controller；Described fire resisting damper test specimen connects fire resisting damper shutter；
Described gas nozzle actuator, described fire test furnace pressure fan respectively with described PLC master controller
Electrical connection；
Described be arranged in the first connecting tube thermocouple, described fire resisting damper shutter respectively with described PLC
Master controller electrically connects；
Described be arranged in the second connecting tube gas flowmeter, described pressure equalizer is respectively with described
PLC master controller electrically connects；
Described gas flow regulator electrically connects with described PLC master controller；
Described test specimen pressure equalizer, pressure reduction let-off gear(stand) and the pipeline thermoelectric being arranged in the 3rd connecting tube
Even, flow equalizer electrically connects with described PLC master controller respectively；
Described electric control valve electrically connects with described PLC master controller；
Described air-introduced machine controller electrically connects with described PLC master controller；
The described motor being arranged on each dolly electrically connects with described PLC master controller the most respectively.
The side based on the above-mentioned device for detecting fire-protection valve inleakage and fire resistance that the present invention provides
Method, including step:
Fire resisting damper test specimen is arranged between the first connecting tube and the second connecting tube with opening；
PLC master controller, by the wind speed of air-introduced machine controller control and regulation air-introduced machine, makes wind speed reach regulation
Value also makes steady air current；
Described fire resistance test furnace igniting；
When thermocouple in described first connecting tube measures temperature 50 C, on-test, until it reaches regulation
Elevated Temperature Conditions；After temperature is increased to fire-protection valve closedown, PLC master controller is automatically adjusted air-introduced machine
Wind speed, makes the gas-static difference before and after fire resisting damper test specimen keep the scope of regulation；
PLC master controller controls gas nozzle flow by gas nozzle actuator, and controls pressure fan simultaneously
Wind speed, make fire resistance test furnace pressure reach setting；
Gather the first connecting tube, the second connecting tube, the 3rd connecting tube, the 4th connecting tube, the 5th connecting tube
Interior gas temperature and flow, and gather the atmospheric pressure in process of the test；Described PLC master controller according to
The data collected substitute into formula and draw testing result data；
After detection, fire resisting damper test specimen and the first connecting tube, the second connecting tube are taken apart；By PLC master
Controller starts the motor of each dolly, makes the drive sprocket of each dolly rotate and drives chain movement, chain band
Moving and rotated by movable sprocket, make driven axle rotate and make castor rotate, universal wheel can change the operation side of dolly
To；Fire resisting damper test specimen is taken off；
The fire resisting damper test specimen to be detected more renewed.
The invention has the beneficial effects as follows: the device in this invention can complete fire-protection valve inleakage and fire resistance
Can detection, and simple operation, the personnel that take are few, work efficiency is high, and adapt to without specification
The detection of fire-protection valve.
Accompanying drawing explanation
The present invention is described further with embodiment below in conjunction with the accompanying drawings:
Fig. 1 is the structural representation of fire-protection valve detection device in the present invention；
Fig. 2 is that the local A of Fig. 1 is to zoomed-in view；
Fig. 3 is the control principle block diagram detecting device in the present invention；
In figure: 1 fire test furnace, 2 side gas nozzles, 3 positive gas nozzles, 4 waste gas outlets, 5 connect
Plate, 6 thermocouples, 7 first connecting tubes, 8 fire resisting damper test specimens, 9 second connecting tubes, 10 gas flowmeters,
11 pressure equalizers, 12 flanges, 13 gas flow regulator, 14 chillers, 15 test specimen pressure are equal
Weighing apparatus, 16 pressure reduction let-off gear(stand)s, 17 pipeline thermoelectrics are even, 18 flow equalizers, and 19 high-temperature flexibles are even
Adapter, 20 the 4th connecting tubes, 21 electric control valves, 22 the 5th connecting tubes, 23 wind wing covers, 24 connect
Sheath, 25 air-introduced machines, 26 first dollies, 27 ground, 28 universal wheels, 30 reduction boxes, 31 castors, 33
Motor, 34 second dollies, 35 drive sprockets, 36 driven axles, 37 chains, 38 the 3rd dollies, 39 fix spiral shell
Bolt, 40 fix bolt, and 41 by movable sprocket, 42 fire doors, 43 flanges, 44 the 3rd connecting tubes, 45 flanges,
46 flanges, 47 base plates, 48 air outlets.
Detailed description of the invention
As it is shown in figure 1, this device being used for detecting fire-protection valve inleakage and fire resistance includes PLC control
Device, fire test furnace 1, flow harvester, temperature collecting device, pressure acquisition device and can be on ground
The mechanical moving parts of movement on 27.
Described fire test furnace 1 is provided with fire door 42, and fire test furnace 1 is provided with multiple gas nozzle,
The plurality of gas nozzle includes side gas nozzle 2, positive gas nozzle 3；Described gas nozzle connects combustion
Gas jets actuator.
Being provided with air outlet 48 bottom fire test furnace 1, air outlet 48 connects fire test furnace pressure fan,
Fire test furnace 1 top arranges waste gas outlet 4.A plate 5 is by the first connecting tube 7 and fire test furnace
Fire door 42 connect, the first connecting tube 7 is provided with five thermocouples 6, is used for detecting collection the first connection
Temperature data in pipe 7.
The other end of the first connecting tube 7 equipped with fire resisting damper test specimen 8, fire resisting damper test specimen 8 the other end equipped with
Second connecting tube 9.Known described fire resisting damper test specimen 8 connects fire resisting damper shutter.In the second connecting tube
Equipped with gas flowmeter 10 and pressure equalizer 11 on 9, the end in the second connecting tube 9 passes through flange 12
Connecting gas flow regulator 13, the other end of gas flow regulator 13 connects chiller 14, cold
The other end of radiator cooler 14 arranges flange 43, and is connected with the 3rd connecting tube 44 by this flange 43,
Test specimen pressure equalizer 15 and pressure reduction let-off gear(stand) 16 and pipeline thermoelectric it is sequentially arranged with in 3rd connecting tube 44
Idol 17, flow equalizer 18.
The other end of the 3rd connecting tube 44 is connected with one end of high-temperature flexible connecting tube 19 by flange 45,
The other end in high-temperature flexible connecting tube 19 is connected with the 4th connecting tube 20 by flange 46, the 4th even
The other end of adapter 20 connects equipped with the 5th equipped with electric control valve 21, the other end at electric control valve 21
Adapter 22, the 5th connecting tube 22 is connected with wind wing cover 23, connects sheath 24 by wind wing cover 23 and air inducing
Machine 25 is connected as a single entity.Described air-introduced machine 25 connects air-introduced machine controller.
Described air-introduced machine 25, electric control valve 21, chiller 14 are separately mounted on three dollies.
And three dollies are designated as first dolly the 26, second dolly the 34, the 3rd dolly 38 respectively.Fig. 1 shows,
Wind wing cover 23, connection sheath 24, air-introduced machine 25 are positioned on the first dolly 26；4th connecting tube 20, electricity
Dynamic regulation valve 21 is positioned on the second dolly 34；Second connecting tube 9, chiller the 14, the 3rd connecting tube
44 are positioned on the 3rd dolly 38.
As shown in Figure 1, 2, the bottom of described each dolly is both provided with two universal wheels 28 and two feet
Wheel 31, described universal wheel 28 is arranged on dolly rear end, and described castor 31 is in the front end of dolly；Same
Equipped with driven axle 36 between two castors 31 on dolly, at the middle part of driven axle 36 equipped with by movable sprocket 41,
Chain 37 will be connected by movable sprocket 41 and drive sprocket 35, and drive sprocket 35 is contained in the defeated of reduction box 30
On shaft, the power shaft of reduction box 30 is connected with motor 33, fixing bolt 39 and 40 points of fixing bolt
Motor 33 and reduction box 30 are not arranged on below the base plate 47 of dolly.
"front", "rear" in foregoing description is intended merely to conveniently describe the relative position relation taked, no
It is understood that and constitutes limiting of its scope for absolute position.
This fire-protection valve detects the control principle of device as shown in Figure 3: described gas nozzle actuator, institute
The pressure fan stating fire test furnace electrically connects with described PLC master controller respectively；Described it is arranged on first even
Thermocouple 6, described fire resisting damper shutter in adapter 7 electrically connect with described PLC master controller respectively；
Described be arranged in the second connecting tube 9 gas flowmeter 10, described pressure equalizer 11 is respectively with described
PLC master controller electrically connects；Described gas flow regulator 13 electrically connects with described PLC master controller；
Described test specimen pressure equalizer 15, pressure reduction let-off gear(stand) 16 and the pipeline being arranged in the 3rd connecting tube 44
Thermocouple 17, flow equalizer 18 electrically connect with described PLC master controller respectively；Described motorized adjustment
Valve 21 electrically connects with described PLC master controller.Described air-introduced machine controller and described PLC master controller
Electrical connection；The described motor being arranged on each dolly electrically connects with described PLC master controller the most respectively.
In this detection device, gas nozzle actuator, gas flowmeter 10, pressure equalizer 11, gas
Flow regulator 13, chiller 14, test specimen pressure equalizer 15, pressure reduction let-off gear(stand) 16, flow
Equalizer 18, electric control valve 21, wind wing cover 23, connection sheath 24, the concrete structure of air-introduced machine 25
It is prior art, can directly be obtained by prior art.
Detection method based on the above-mentioned device for detecting fire-protection valve inleakage and fire resistance, including step
Rapid:
Fire resisting damper test specimen 8 is arranged between the first connecting tube 7 and the second connecting tube 9 with opening；
PLC master controller, by the wind speed of air-introduced machine controller control and regulation air-introduced machine 25, makes wind speed reach
Setting also makes steady air current；
Described fire test furnace 1 is lighted a fire；
When thermocouple 6 in described first connecting tube 7 measures temperature 50 C, on-test, until it reaches
The Elevated Temperature Conditions of regulation；After temperature is increased to fire-protection valve 8 closedown, PLC master controller is automatically adjusted and draws
The wind speed of blower fan 25, makes the gas-static difference before and after fire resisting damper test specimen 8 keep the scope of regulation；
PLC master controller controls gas nozzle flow by gas nozzle actuator, and controls air outlet simultaneously
The wind speed of 48, in making fire test furnace 1, pressure reaches setting；
Gather the first connecting tube, the second connecting tube, the 3rd connecting tube, the 4th connecting tube, the 5th connecting tube
Interior gas temperature and flow, and gather the atmospheric pressure in process of the test；Described PLC master controller according to
The data collected substitute into formula and draw testing result data；
After detection, fire resisting damper test specimen 8 is taken apart with first connecting tube the 7, second connecting tube 9；Pass through
PLC master controller starts the motor 33 of each dolly, makes the drive sprocket 35 of each dolly rotate and drives chain 37
Motion, chain 37 drives and is rotated by movable sprocket 41, makes driven axle 36 rotate and makes castor 31 rotate,
Dolly runs on ground 27, and universal wheel 28 can change the traffic direction of dolly；By fire resisting damper test specimen 8
Take off；
The fire resisting damper test specimen to be detected more renewed.
Owing to there being the attachment structure between moveable dolly and each several part to be easy to dismounting, therefore can be the most square
Installing just detects different size and the fire resisting damper of thickness.
Claims (3)
1. the device being used for detecting fire-protection valve inleakage and fire resistance；It is characterized in that, including fire-resistant
Trial furnace；Fire test furnace is provided with fire door, and fire test furnace is provided with multiple gas nozzle, fire-resistant examination
Testing furnace bottom and be provided with air outlet, air outlet connects has fire test furnace pressure fan, fire test furnace top to set
Put waste gas outlet；First connecting tube is connected by a plate with the fire door of fire test furnace, in the first connecting tube
It is provided with five thermocouples；
The other end of the first connecting tube connects equipped with second equipped with fire resisting damper test specimen, the other end at fire resisting damper test specimen
Adapter；Equipped with gas flowmeter and pressure equalizer in the second connecting tube, the end in the second connecting tube leads to
Crossing Flange joint gas flow regulator, the other end of gas flow regulator connects chiller, cooling dress
The other end put arranges flange, and is connected, in the 3rd connecting tube successively by this flange and the 3rd connecting tube
Even, the flow equalizer equipped with test specimen pressure equalizer and pressure reduction let-off gear(stand) and pipeline thermoelectric；
The other end of the 3rd connecting tube is connected with one end of high-temperature flexible connecting tube, high temperature resistant by flange
The other end of flexible steel in flat section tubing is connected with the 4th connecting tube by flange, at the other end of the 4th connecting tube equipped with electricity
Dynamic regulation valve, the other end at electric control valve is connected with wind wing cover equipped with the 5th connecting tube, the 5th connecting tube,
Connect sheath wind wing cover and air-introduced machine to be connected as a single entity；
Described air-introduced machine, electric control valve, chiller are separately mounted on three dollies；
The bottom of three dollies is provided with two universal wheels and two castors, after described universal wheel is arranged on dolly
End, described castor is in the front end of dolly；Equipped with driven axle between two castors on same dolly, at driven axle
Middle part equipped with by movable sprocket, chain will be connected by movable sprocket and drive sprocket, and drive sprocket is contained in reduction box
Output shaft on, the power shaft of reduction box is connected with motor, and described motor and reduction box are arranged on the end of dolly
Below plate.
A kind of device for detecting fire-protection valve inleakage and fire resistance the most according to claim 1；
It is characterized in that: this detection device also includes PLC master controller；The plurality of gas nozzle includes side gas injection
Mouth, positive gas nozzle；Described gas nozzle connects gas nozzle actuator；Described air-introduced machine connects to have and draws
Controller of fan；Described fire resisting damper test specimen connects fire resisting damper shutter；
Described gas nozzle actuator, described fire test furnace pressure fan respectively with described PLC master controller
Electrical connection；
Described be arranged in the first connecting tube thermocouple, described fire resisting damper shutter respectively with described PLC master
Controller electrically connects；
Described be arranged in the second connecting tube gas flowmeter, described pressure equalizer respectively with described PLC
Master controller electrically connects；
Described gas flow regulator electrically connects with described PLC master controller；
The described test specimen pressure equalizer that is arranged in the 3rd connecting tube, pressure reduction let-off gear(stand) and pipeline thermoelectric be even,
Flow equalizer electrically connects with described PLC master controller respectively；
Described electric control valve electrically connects with described PLC master controller；
Described air-introduced machine controller electrically connects with described PLC master controller；
The described motor being arranged on each dolly electrically connects with described PLC master controller the most respectively.
3. inspection based on the device for detecting fire-protection valve inleakage and fire resistance described in claim 2
Survey method, is characterized in that, including step:
Fire resisting damper test specimen is arranged between the first connecting tube and the second connecting tube with opening；
PLC master controller, by the wind speed of air-introduced machine controller control and regulation air-introduced machine, makes wind speed reach setting
And make steady air current；
Described fire resistance test furnace igniting；
When thermocouple in described first connecting tube measures temperature 50 C, on-test, until it reaches regulation
Elevated Temperature Conditions；After temperature is increased to fire-protection valve closedown, PLC master controller is automatically adjusted the wind speed of air-introduced machine,
The gas-static difference before and after fire resisting damper test specimen is made to keep the scope of regulation；
PLC master controller controls gas nozzle flow by gas nozzle actuator, and controls pressure fan simultaneously
Wind speed, makes fire resistance test furnace pressure reach setting；
Gather in the first connecting tube, the second connecting tube, the 3rd connecting tube, the 4th connecting tube, the 5th connecting tube
Gas temperature and flow, and gather the atmospheric pressure in process of the test；Described PLC master controller is according to collection
To data substitute into formula draw testing result data；
After detection, fire resisting damper test specimen and the first connecting tube, the second connecting tube are taken apart；By PLC master control
Device processed starts the motor of each dolly, makes the drive sprocket of each dolly rotate and drives chain movement, chain-driving quilt
Movable sprocket rotates, and makes driven axle rotate and makes castor rotate, and universal wheel can change the traffic direction of dolly；Will
Fire resisting damper test specimen takes off；
The fire resisting damper test specimen to be detected more renewed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410248078.5A CN104006936B (en) | 2014-06-05 | 2014-06-05 | A kind of device and method for detecting fire-protection valve inleakage and fire resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410248078.5A CN104006936B (en) | 2014-06-05 | 2014-06-05 | A kind of device and method for detecting fire-protection valve inleakage and fire resistance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104006936A CN104006936A (en) | 2014-08-27 |
| CN104006936B true CN104006936B (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410248078.5A Expired - Fee Related CN104006936B (en) | 2014-06-05 | 2014-06-05 | A kind of device and method for detecting fire-protection valve inleakage and fire resistance |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105146725B (en) * | 2015-10-30 | 2017-03-22 | 中国烟草总公司郑州烟草研究院 | Method for detecting air leakage rate of interior of roller in roller processing course for tobaccos to be produced into shreds |
| CN106153320A (en) * | 2016-07-15 | 2016-11-23 | 公安部四川消防研究所 | A kind of dual stage overlaps parallel fire resisting damper fire resistance test device |
| CN107255648B (en) * | 2017-05-23 | 2020-07-17 | 闫靖媛 | Fire-resistant performance test device for fire-proof ring |
| CN111059587B (en) * | 2018-10-17 | 2021-10-01 | 宁波方太厨具有限公司 | Central flue system and sealing state detection method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004065739A (en) * | 2002-08-08 | 2004-03-04 | Mimasu Shobo Kizai Kk | Pressure resistance testing machine for inspecting indoor fire hydrant hose |
| CN101762399B (en) * | 2009-11-24 | 2011-06-01 | 江苏兆胜空调有限公司 | Reliability test device of fireproof wind valve |
| GB201011293D0 (en) * | 2010-07-06 | 2010-08-18 | Macphail Nicholas J J | Means of oil supply shut off in case of leak |
| CN202547919U (en) * | 2012-04-19 | 2012-11-21 | 上海市特种设备监督检验技术研究院 | Tester for valve fire-resistant life |
| CN203050048U (en) * | 2012-12-04 | 2013-07-10 | 上海建科检验有限公司 | Gas flow pressure measuring device for ventilating duct for residence and valve on ventilating duct |
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2014
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Granted publication date: 20170104 Termination date: 20180605 |