CN106237576A - The test equipment of a kind of open type deluge system and detection method - Google Patents
The test equipment of a kind of open type deluge system and detection method Download PDFInfo
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- CN106237576A CN106237576A CN201610662075.5A CN201610662075A CN106237576A CN 106237576 A CN106237576 A CN 106237576A CN 201610662075 A CN201610662075 A CN 201610662075A CN 106237576 A CN106237576 A CN 106237576A
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- Prior art keywords
- fire extinguishing
- test equipment
- extinguishing system
- open type
- smog
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/50—Testing or indicating devices for determining the state of readiness of the equipment
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The present invention specifically provides the test equipment of a kind of open type deluge system, and smog media reservoir is sequentially connected with valve, air pump and heater by conduit, and heater is by connecting tube, connector and the connector seamless link of fire extinguishing system.In the middle of detection process, smog can enter into inside fire extinguishing system, it is possible to the direction that each shower nozzle inside inspection open type fire extinguishing system is the most all on not having shower nozzle blocked, all of to install is the most correct, detect whether these shower nozzles bend.The smog gushed out by inspection be whether cone or cloud can to detect these shower nozzles the most handy.Therefore the method using the present invention, the quality of fire extinguishing system and effectiveness need not be closed and just can be detected quickly and accurately.
Description
Technical field
The present invention relates to fire extinguishing system detection technique field, the test specifically providing a kind of open type deluge system sets
Standby and detection method.
Background technology
Typical open type deluge system includes deluge system, fire water box, water supply and distributing pipe line water pump and galvanic electricity
Motivation, these pipe networks connect shower nozzle and water pump or the valve that drenches with rain.Once have the condition of a fire, will with electronic, surge or pneumatic side
Formula is opened.Then water will flow out from fire water box, flows to, through pipe network, the deluge system that pipe network connects.Open type drenches with rain fire extinguishing
The duty of system needs frequent testing whether to be in normal condition, if can effectively work.In order to test open type
The effectiveness of deluge system, needs parts to be protected to would have to first the when of test and closes, to ensure safety in system.
The shortcoming of this test is: one is to must shut off the protected system equipment of needs, operates while increasing expense
Loaded down with trivial details；Two is in test process, and some impurity, the antibacterials etc. in fire water can block shower nozzle mouth in the middle of test process, instead
And eliminating potential safety hazard is become increase potential safety hazard.
Summary of the invention
It is an object of the invention to provide a kind of simple to operate, cost-effective fire-fighting system detection Apparatus and method for.
The present invention specifically provides the test equipment of a kind of open type deluge system, and smog media reservoir 2 is by leading
Pipe 3 is sequentially connected with valve 4, air pump 5 and heater 6, and heater 6 is by connecting tube 8, connector 9 and the connector of fire extinguishing system
10 seamless links.Coupling part is connected to smoke generator inside existing fire extinguishing system, by these connectors, and just can handle
The reticulate vessel of smoke generator and fire extinguishing system forms a closed loop and links together.
Thering is provided an abundant pressure to produce enough smog, heater 6 is also connected with compressor 1.Compressor 1
In the connecting tube 8 of smog, pressure can be assembled and generate.Discharge smog by compressor 1 and can form pressure stub, and
Conduit network can be discharged.Compressor 1 can be placed at an air intake closing on warm air vessel conduit, and inside smog can
Producing, smog discharges in the exit of connecting tube 8.
7 liquid fumicants of heating part in hot device device 6 are transformed into smog, and smog is directed to by the connecting tube 8 of cigarette
Connector 9, and then smog entrance fire extinguishing system.Heating part 7 comprises an electronics screw type heater of scorching hot luminescence.Heating
The energy of part 7 can determine quantity and the speed producing smog.
Air pump 5 and compressor 1 for improving lift gas flow velocity and flow, connector 9 outlet gas flow be
It is not less than 18L/s, or the air pressure of at least one 0.2bars；The optics smoke density of outlet can reach 10m-1~25 m-1.Optics cigarette
Density can reach 10m-1The density that can reach of aerosol be about 900 ~ 1100kg/m3.One group of smoke density is 8g/m3Cigarette and
One approximate weight is at 900 ~ 1100kg/m3Aerosol can make visual range be less than 5cm.One group of thicker cigarette, such as 30 g/
m3Cigarette visual range can be made to be less than 1cm, the optics smoke density of this cigarette can be more than 10m-1.Optics smoke density can also enter
One step is higher than 12m-1, even can reach higher than 20 m-1Or 25 m-1.The measurement of optics smoke density is to measure luminous flux.
The density of the cigarette used is the highest, and visual range is the shortest, and the thickness of cigarette is the biggest.By this method, each
In the test process of secondary fire extinguishing system, just can test out shower nozzle whether can work normally and which shower nozzle is cranky can not be just
Often work.
The composition of smog medium at least includes the material of following volume fraction: the PEG Polyethylene Glycol of 30%, no less than 30%
Alkanol.PEG(Polyethylene Glycol) can produce from following chemical formula: second order, three rank, quadravalence, five rank, six rank-ethylene glycol.Separately
Outward, Polyethylene Glycol also can be the constituent of two or more which compositions above-mentioned.Following substances is the constituent of alkanol: 1,2-
Propylene glycol, 1,3-propylene glycol, 1,2-butanediol, 1,3 butylene glycol, 1,4-butanediol, 2,3-butanediol, 1,2-pentanediol, 1,3-
Pentanediol, 1,4-pentanediol, 1,5-pentanediol, 2,3-pentanediol, 2,4-PD.It addition, this fumicants comprises isopropanol, second
Alcohol, acetone, methanol, 1-propanol, n-butyl alcohol and water.It addition, alkanol also includes 3-valency or the ethanol of more high price.
The method of testing of a kind of open type deluge system, comprises the steps:
A, closedown fire extinguishing system control valve 11, test equipment is connected in fire extinguishing system and keeps the airtight of the two；
B, unlatching test equipment, open air pump 5, heater 6 and compressor 1, makes smog be full of in whole detected fire extinguishing system
In the middle of system.
One of concrete condition comprises the steps:
A, closing control valve 11, fix airtight connection, wherein by the connector 9 of test equipment with the connector 10 of fire extinguishing system
Connector 10 is connected to the threeway 12 of fire extinguishing system；
B, the test equipment of unlatching open type deluge system, open air pump 5, heater 6 and compressor 1, makes smog be full of and exists
In the middle of whole detected fire extinguishing system；
C, the test equipment of closedown open type deluge system, remove or do not remove test equipment；Either on or off fire extinguishing system
Control valve 11 before middle threeway 12, is adjusted to fire extinguishing system normal operating conditions by threeway 12 simultaneously.
Wherein, test equipment is connected to trunk pipeline or the branch road of fire extinguishing system by connector 9.
In order to improve accuracy of detection, test equipment is connected to the branch road of fire extinguishing system by connector 9.
When test equipment is connected to the branch road of fire extinguishing system by connector 9, with a plurality of branch road, test can be installed simultaneously
Equipment detects simultaneously, or every branch road detects one by one.
Another kind of situation comprises the steps:
A, closing control valve 11, by the draining position 19 of the connector 9 of test equipment with fire extinguishing system；
B, the test equipment of unlatching open type deluge system, open air pump 5, heater 6 and compressor 1, makes smog be full of and exists
In the middle of whole detected fire extinguishing system；
C, the test equipment of closedown open type deluge system, remove or do not remove test equipment.
In the middle of detection process, smog can enter into inside fire extinguishing system, it is possible to inside inspection open type fire extinguishing system
The direction that each shower nozzle is the most all on not having shower nozzle blocked, all of to install is the most correct, whether detect these shower nozzles
Bend.The cigarette discharged is an instruction, and instruction system is the most working properly；The release direction of cigarette and cigarette can arrive and divide
The place of cloth can indicate that those positions of fire extinguishing system are the most working properly effectively.The cigarette that spray outlet comes up can indicate that
Out fire extinguishing system the most normally works, and cigarette can indicate that out fire extinguishing system which position concrete by the flow direction distribution of pipeline
Cisco unity malfunction.The smog gushed out by inspection be whether cone or cloud can to detect these shower nozzles the most normal
Handy.Therefore the method using the present invention, the quality of fire extinguishing system and effectiveness need not be closed just can be by quick, accurate
Detect.
Another advantage is that, by testing with cigarette of this invention, it is possible to problematic shower nozzle is removed, changes weight
Newly installed, if using traditional detecting with water, then cannot accomplish.The speed of the cigarette emerged from shower nozzle can reach at least 10m/
S, in the test process of an open type deluge system having 80 shower nozzles, needs to produce the cigarette of about 200L each second.
In the case of Zheng Chang, deluge system generally configures more than 1 shower nozzle, and these shower nozzles have about 0.5 to 1.5 centimetres
Opening diameter.The most sufficiently correct in order to be able to check the release direction of cigarette, one has suitable optics smoke density and discharges
The combined characteristic that next cigarette speed is the best is needs.Smoke generator in the present invention is not provided that plume speed and smoke density are same
Time the best combined characteristic, therefore, unsuitable for carrying out the release direction of cigarette in test system.In order to judge that producing a shower nozzle releases
The flow direction of the cigarette released, the flue gas discharged needs to form one turbulent flow, it is meant that shower nozzle discharges flue gas
Reynolds number is higher than 10000.
Smoke generator substantially can form the pressure of at least 0.2bars, is applied to rain with this flow velocity and pressure
Drench on the reticulate vessel of fire extinguishing system, it is possible to play very important effect.Additionally, in a part of conduit, may have retention
Water.These pressure produced by smoke generator, the water retained inside these reticulate vessels can be expelled from conduit, mends
Repaying in reticulate vessel is these pressure cigarettes.Fine sand in these water last also can be cleared out.Water is cleared up away
After can reduce the corrosion failure effect to systematic conduit.
Detection equipment of the present invention can form a part for open type deluge system, and can and fire extinguishing system
Permanent connecting together, smog medium can also use liquid to replace simultaneously.Therefore, when test when, detection equipment only needs
Being unlocked, the various piece of the fire extinguishing system being connected with it also can be opened consistently or simultaneously by suitable valve
Or close.It is greatly shortened the detection time.
This detection method described in invention, does not use water as medium, therefore avoid in water the tiny gravel of solid or
Person's mushroom enters into the harmful effect that fire extinguishing system is brought.Foam can be used in test process to replace smog simultaneously, or
Person uses the aerosol of special color, and the smog so discharging different colours inside fire extinguishing system is conducive to test, energy
Enough distinguish the duty of different parts.
The present invention can apply in natural gas and the place and the fire extinguishing system of some chemical production producers that produce oil
In detection.
Accompanying drawing explanation
Below in conjunction with Figure of description, the present invention is described in further details:
Fig. 1 is the test equipment overall structure schematic diagram of open type deluge system；
Fig. 2 is that the test equipment of open type deluge system is connected figure with system to be tested.
Detailed description of the invention
Reference numeral illustrates:
1 compressor, 2 smog media reservoir, 3 conduits, 4 valves, 5 air pumps, 6 heaters, 7 heating parts, 8 connecting tubes, 9 connections
Part, 10 connectors；
11 control valve, 12 threeways, 13 fire extinguishing system pipeline positions, 14 pumps, 15 pipelines, 16 valves, 17 shower nozzles, 18 firing-fighting mediums
Store container, 19 draining positions.
Embodiment 1
The present embodiment mainly describes one and includes 5 different parts (13A ~ 13E) and the fire extinguishing system of respective conduit network thereof
Detection method.
As in figure 2 it is shown, fire extinguishing system pipeline position 13A ~ 13E is connected with pump 14 with valve 16A ~ 16E by pipeline 15.
In starting deluge system normal operating condition, shower nozzle 17A ~ 17E is in unlatching armed state all the time, not closes shape
State.When there is accident, valve 16A ~ 16E opens, and firing-fighting medium stores container 18 by pump 14 from firing-fighting medium and squeezes into and fill
Being full of fire extinguishing system pipeline position 13A ~ 13E, firing-fighting medium is sprayed by shower nozzle 17A ~ 17E, plays the effect of fire extinguishing.
Being provided with threeway 12A ~ 12E in fire extinguishing system pipeline position 13A ~ 13E, fire detection device of going out passes through connector
10A ~ 10E is corresponding in turn to be connected on threeway 12A ~ 12E.Close in fire extinguishing system the control valve 11A before threeway 12A ~ 12E ~
11E, fixes airtight connection by the connector 9 of test equipment with the connector 10A ~ 10E of fire extinguishing system, wherein connector 10A ~
10E is connected to the threeway 12A ~ 12E of fire extinguishing system.Open the test equipment of open type deluge system, open air pump 5, heating
Device 6 and compressor 1, make smog be full of in the middle of whole detected fire extinguishing system.Cigarette or mist inside conduit network have enough
Flow velocity, by observe shower nozzle 17A ~ 17E smog ejection situation, it is judged that shower nozzle 17A ~ 17E is the most working properly.If appearance nothing
Method ejection smog, smog spouting velocity are relatively slow or gas output not enough, the ejection orientation situation such as partially, be occur in that bending,
That block or that peace is wrong shower nozzle, it should the most replaced or maintenance.
Inside open type fire extinguishing system, the explorative needs of shower nozzle is detected.Typical deluge system every section position be 5 to
100 shower nozzles, a diameter of 0.5 ~ 1.5cm of each shower nozzle.Installing splash box at shower nozzle opening part, splash box can be from shower nozzle
Firing-fighting medium one cone shape of ejection that the inside discharges.Typical splash box be plate shape, coniform, spiral,
With forniciform.
The present embodiment is the fire extinguishing system pipeline position 13 of five weight branch roads is simultaneously connected with test device and tests, and
Test will test equipment Removal after terminating.
Embodiment 2
For respectively the fire extinguishing system pipeline position 13 connecting test device one by one of five weight branch roads is tested in the present embodiment, and
And test terminate after will test equipment Removal.
Remaining structure, embodiment and Expected Results are same as in Example 1.
Embodiment 3
The present embodiment is the fire extinguishing system pipeline position 13 of five weight branch roads is simultaneously connected with test device and tests.But test
After end, test equipment is not removed, and continues reservation and is arranged in fire extinguishing system.
Remaining structure, embodiment and Expected Results are same as in Example 1.
Embodiment 4
For respectively the fire extinguishing system pipeline position 13 connecting test device one by one of five weight branch roads is tested in the present embodiment.But
Being after test terminates, test equipment is not removed, and continues reservation and is arranged in fire extinguishing system.
Remaining structure, embodiment and Expected Results are same as in Example 1.
Embodiment 5
The present embodiment mainly describes one and includes 5 different parts (13A ~ 13E) and the fire extinguishing system of respective conduit network thereof
Detection method.Wherein fire extinguishing system test equipment be connected to the draining position 20A of fire extinguishing system pipeline position 13A ~ 13E ~
20E, remaining structure, embodiment and same as in Example 1 with its effect.
In the present embodiment, fire extinguishing system test equipment be connected to draining position 20A-20E, connect a pressometer,
One shower nozzle.The advantage of the present embodiment is: in the case of three-way valve 22A-22E or connecting tube 10A-10E lack, and system is still
So can be tested.
The present embodiment is the fire extinguishing system pipeline position 13 of five weight branch roads is simultaneously connected with test device and tests, and
Test will test equipment Removal after terminating.
Embodiment 6
For respectively the fire extinguishing system pipeline position 13 connecting test device one by one of five weight branch roads is tested in the present embodiment, and
And test terminate after will test equipment Removal.
Remaining structure, embodiment and Expected Results are same as in Example 5.
Embodiment 7
The present embodiment is the fire extinguishing system pipeline position 13 of five weight branch roads is simultaneously connected with test device and tests.But test
After end, test equipment is not removed, and continues reservation and is arranged in fire extinguishing system.
Remaining structure, embodiment and Expected Results are same as in Example 5.
Embodiment 8
For respectively the fire extinguishing system pipeline position 13 connecting test device one by one of five weight branch roads is tested in the present embodiment.But
Being after test terminates, test equipment is not removed, and continues reservation and is arranged in fire extinguishing system.
Remaining structure, embodiment and Expected Results are same as in Example 5.
Embodiment 9
The present embodiment uses one group of T-connecting piece and valve to replace three-way valve 12A ~ 12E, remaining structure, embodiment and
Same as in Example 1 with its effect.
Above-described embodiment, only for technology design and the feature of the explanation present invention, its object is to allow person skilled in the art
Scholar will appreciate that present disclosure and implements according to this, can not limit the scope of the invention with this.All according to the present invention
The equivalence that spirit is made changes or modifies, and all should contain within protection scope of the present invention.
The present invention relates to following dialect and Technical Reference:
1、1bar=100,000Pa=0.98692327atm。
2, smoke density: smoke density refers to measuring of the material amount of being fuming under prescribed test conditions, it is with through cigarette
Light intensity decays amount describes.The material that smoke density is the biggest, to evacuating personnel and fire extinguishing during fire more for unfavorable.
3, the measurement of optics smoke density: the method the most extensively used of the attribute measuring cigarette at present is extinction coefficient, delustring
The foundation of physics of coefficient measuring method is Lang Baite law.Beer law is equal to Bouguer law, simply Beer law with
Concentration is expressed.Two laws are combined, forms Beer-Bouguer law: when a branch of monochromatic collimated beam is perpendicular through one
After uniform dielectric, its incident intensity is directly proportional to the logarithm value of ratio and the concentration of medium through light intensity, just becomes with light path
Ratio.
I0 is incident intensity, and I is transmitted light intensity, and e is the end of natural logrithm, and k is extinction coefficient, and L is optical path length, then I/
I0=e-kL.Or it is expressed as: I/I0=10-DL.Wherein quantity D is defined as optical density (OD)/rice, D=K/2.3.
4, Reynolds number (Reynolds number): a kind of dimensionless number that can be used to characterize fluid mobility status, with Re table
Showing, Re=ρ vd/ η, wherein v, ρ, η are respectively the flow velocity of fluid, density and viscosity coefficient, and d is a characteristic length.Such as fluid stream
Cross circular pipe, then d is pipe diameter.The flowing utilizing Reynolds number can distinguish fluid is laminar flow or turbulent flow, it is possible to be used for determining
Object flows suffered resistance in a fluid.
Claims (10)
1. the test equipment of an open type deluge system, it is characterised in that: smog media reservoir (2) passes through conduit (3)
Being sequentially connected with valve (4), air pump (5) and heater (6), heater (6) is by connecting tube (8), connector (9) and fire extinguishing system
Connector (10) seamless link.
2. according to the test equipment of open type deluge system described in claim 1, it is characterised in that: heater (6) is also connected with
Compressor (1).
3. according to the test equipment of open type deluge system described in claim 1 or 2, it is characterised in that: outlet gas
Flow is for being not less than 18L/s, or the air pressure of at least one 0.2bars；The optics smoke density of outlet can reach 10m-1~25 m-1。
4. according to the test equipment of open type deluge system described in claim 1 or 2, it is characterised in that: the one-tenth of smog medium
Point at least include the material of following volume fraction: the PEG Polyethylene Glycol of 30%, the alkanol no less than 30%.
5. the method for testing of an open type deluge system, it is characterised in that comprise the steps:
A, closedown fire extinguishing system control valve (11), test equipment is connected in fire extinguishing system and keeps the airtight of the two；
B, unlatching test equipment, open air pump (5), heater (6) and compressor (1), makes smog be full of whole detected
In the middle of fire extinguishing system.
6. according to the method for testing of open type deluge system described in claim 5, it is characterised in that comprise the steps:
A, closing control valve (11), by the connector (9) of test equipment and the fixing airtight company of the connector (10) of fire extinguishing system
Connecing, wherein connector (10) is connected to the threeway (12) of fire extinguishing system；
B, the test equipment of unlatching open type deluge system, open air pump (5), heater (6) and compressor (1), make smog
It is full of in the middle of whole detected fire extinguishing system；
C, the test equipment of closedown open type deluge system, remove or do not remove test equipment；Either on or off fire extinguishing system
The control valve (11) that middle threeway (12) is front, is adjusted to fire extinguishing system normal operating conditions by threeway (12) simultaneously.
7. according to the method for testing of open type deluge system described in claim 5, it is characterised in that comprise the steps:
A, closing control valve (11), by the draining position (19) of the connector (9) of test equipment with fire extinguishing system；
B, the test equipment of unlatching open type deluge system, open air pump (5), heater (6) and compressor (1), make smog
It is full of in the middle of whole detected fire extinguishing system；
C, the test equipment of closedown open type deluge system, remove or do not remove test equipment.
8. according to the method for testing of open type deluge system described in claim 6, it is characterised in that test equipment is by connecting
Part (9) is connected to trunk pipeline or the branch road of fire extinguishing system.
9. according to the method for testing of open type deluge system described in claim 8, it is characterised in that test equipment is by connecting
Part (9) is connected to the branch road of fire extinguishing system.
10. according to the method for testing of open type deluge system described in claim 9, it is characterised in that when test equipment is by even
When fitting (9) is connected to the branch road of fire extinguishing system, for a plurality of branch road, test equipment is installed simultaneously and detects simultaneously, or every branch road
Detect one by one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610662075.5A CN106237576A (en) | 2016-08-13 | 2016-08-13 | The test equipment of a kind of open type deluge system and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610662075.5A CN106237576A (en) | 2016-08-13 | 2016-08-13 | The test equipment of a kind of open type deluge system and detection method |
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| CN106237576A true CN106237576A (en) | 2016-12-21 |
Family
ID=57591979
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| CN201610662075.5A Pending CN106237576A (en) | 2016-08-13 | 2016-08-13 | The test equipment of a kind of open type deluge system and detection method |
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Cited By (1)
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| CN113441449A (en) * | 2020-03-27 | 2021-09-28 | 先丰通讯股份有限公司 | Spray plate detection system and detection method thereof |
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Application publication date: 20161221 |
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