CN205683458U - A kind of superfine spray critical extinguishing concentration experimental provision - Google Patents
A kind of superfine spray critical extinguishing concentration experimental provision Download PDFInfo
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- CN205683458U CN205683458U CN201620195439.9U CN201620195439U CN205683458U CN 205683458 U CN205683458 U CN 205683458U CN 201620195439 U CN201620195439 U CN 201620195439U CN 205683458 U CN205683458 U CN 205683458U
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- constant temperature
- atomization box
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- water
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Abstract
This utility model provides a kind of superfine spray critical extinguishing concentration experimental provision, including: constant temperature constant atomization box, gas control system, intelligent combustion cup, regurgitation measurement system and data acquisition processing system；Superfine spray of the present utility model critical extinguishing concentration experimental provision, can accurately measure critical extinguishing concentration.
Description
Technical field
This utility model relates to a kind of superfine spray critical extinguishing concentration experimental provision.
Background technology
Water is that people recognize the most also is most widely used extinguishing chemical, experienced by the water thin water of Water spray water spray
The such development course of mist superfine spray.Along with breathing out eliminating of dragon fire-fighting technique, water mists becomes a kind of new substitute technology.
Fine water mist fire-extinguishing system has the cooling of water sprinkler system, dual function that gas extinguishing system suffocates and advantage.In recent years,
The suppression of secondary Water Mist Fire Extinguishing Technique superfine spray is extinguished fire and is more and more received the attention of domestic and international expert.Super
Water droplet particle diameter, between 3 50 m, has that the characteristic of common water mists such as fire extinguishing effect is high, non-conductive, volatilization is fast, nothing
Residue, it is prone to the advantages such as liquefaction, nontoxic, cheap and environmental protection.This technology is less than water droplet quality, be more easy to gas
Change；Having the mobility as gas, oxygen barrier smothering action is strong, fire extinguishing effectiveness is high；Low cost, water consumption are the fewest；Possess
Good endothermic character is little to the protected object extent of damage, range of application is wider.Change in the face of China's fire control technology is in
In the period made and update, study, develop and apply superfine water mist fire extinguishing technology, have more practical value.
In carrying out Halon Replacement extinguishing chemical screening process, except the environmental-protecting performance of extinguishing chemical to be considered, extinguishing property is also
Being requisite performance assessment criteria, wherein, critical extinguishing concentration is the important parameter weighing extinguishing chemical extinguishing property, firing-fighting medium
Critical extinguishing concentration refer to the least concentration of this extinguishing chemical in air, under this concentration, air and firing-fighting medium mixture
The burning of combustible can not be maintained.The value of critical extinguishing concentration is relevant with several factors, including fuel and the character of extinguishing chemical.
It is the basic data of extinguishing chemical practical engineering application, particularly significant to design for fire protection and scientific research.And critical fire extinguishing is dense
The mensuration of degree is the premise that its fire extinguishing system correctly designs and uses.Therefore, the method for science is used to test out various novel go out
The critical extinguishing concentration of fire agent is the most necessary.
Different component superfine spray makes have the strongest competitive advantage with the extinguishing property of its excellence, more and more many relevant necks
It is carried out experimentation by territory worker.Both at home and abroad when test is breathed out dragon and substitutes the critical extinguishing concentration of extinguishing chemical, generally
It is to use cup burner assay device.Superfine spray is as Halon Replacement extinguishing chemical, due to himself character, critical goes out it
Fire concentration measures and may be used without cup burner.From the point of view of experiment uses superfine spray experimental provision at present, existing cup type burning
Device device and method of testing thereof are for mostly measuring its critical extinguishing concentration for super water smoke the most accurately.
Summary of the invention
The purpose of this utility model is to provide a kind of superfine spray critical extinguishing concentration experimental provision, can accurately measure and face
Boundary's extinguishing concentration.
In order to solve above-mentioned technical problem, the superfine spray critical extinguishing concentration experimental provision that this utility model provides is this
Sample realizes:
A kind of superfine spray critical extinguishing concentration experimental provision, including: constant temperature constant atomization box, gas control system, intelligence
Energy combustion cup, regurgitation measurement system and data acquisition processing system；
Described constant temperature constant atomization box, for becoming superfine spray by the liquid transition of different component；
Described gas control system, is used for providing quantitative gas, the ultra-fine water provided with described constant temperature constant atomization box
Mist mixing fire extinguishing；
Described intelligent combustion cup, is used for providing fuel to produce flame, and measures the burning degree of flame；
Described regurgitation measurement system, for providing the liquid of described different component to described constant temperature constant atomization box；
Data acquisition processing system, for gathering the minimizing of the liquid of the different component that described regurgitation measurement system provides
The amount of the gas that amount, described gas control system provide, and the burning degree of described intelligent combustion cup Flame, calculate critical
Extinguishing concentration.
Optionally, bottom described constant temperature constant atomization box one jiao, it is provided with inlet, different in described regurgitation measurement system
The liquid of component is flowed in the fog water content in described constant temperature constant atomization box by described inlet, is provided with mist in fog water content
Change device；Described fog water content is provided above water level management plate, and adjacent fog water content is provided with overflow launder, when water mistake in described fog water content
Time many, described water level management plate levitating, too much water is flowed in described overflow launder；At described another angle of constant temperature constant atomization box
Bottom is provided with refluxing opening, described refluxing opening and inlet and connects described regurgitation measurement system；At described fog water content atomisation outlet
Place is provided with constant temperature sheet；Being provided with fog outlet above described overflow launder, on described constant temperature constant atomization box, described fog outlet connects
Described intelligent combustion cup.
Optionally, above fog water content, on described constant temperature constant atomization box, it is provided with visualization glass.
Optionally, described gas control system includes: air compressor machine, is used for producing gas；The gas that described air compressor machine produces
Entering in flow controller by air inlet pipe, described flow controller is according to the gas of the value release respective amount preset, by gas
Body is input in trousers, and the superfine spray produced in described constant temperature constant atomization box mixes logical in described trousers with gas
Cross fog outlet and enter in described intelligent combustion cup, fire extinguishing.
Optionally, intelligent combustion cup periphery is covered with quartz cover；In cartridge, input fuel is passed in combustion cup burning；Heat
The ignition temperature of fuel in galvanic couple sensing fuel bowl, and described ignition temperature be sent to described data by data wire process be
System.
Optionally, described intelligent combustion cup also includes lighter, for lighting the fuel in described combustion cup.
Optionally, described regurgitation measurement system includes: return tank, water conservancy diversion water pipe and electronic balance, holds not in return tank
With the liquid of component, described return tank connects described constant temperature constant atomization box by water conservancy diversion water pipe；Described electronic balance is used for claiming
Measure the decrement of different component liquid in described return tank, and described decrement is sent to described data acquisition processing system.
Optionally, described return tank there are little water pump and speed regulator, little water pump increase to enter into the atomization of described constant temperature constant
The pressure of case liquid, described speed regulator adjust described in enter into the flow velocity of described constant temperature constant atomization box liquid.
The superfine spray critical extinguishing concentration experimental provision that this utility model provides, constant temperature constant atomization box and gas control
System acts on jointly provides the product of ultra-fine water and air mixing, and the simulation of intelligent combustion cup produces flame, measures the burning of flame
Degree, data acquisition processing system is according to fire-suppressant gas and the amount of liquid, when the flame in intelligent combustion cup is extinguished, calculates
Critical extinguishing concentration；This utility model critical extinguishing concentration calculated relative to prior art is more accurate, and experimental provision
Simply, easily realize；Apparatus is compact take up room little；The simple and convenient movement of device integral disassembly, assembly；Above overflow launder, described
It is provided with fog outlet on constant temperature constant atomization box, supplies the superfine spray of gas-liquid mixed directly to intelligent combustion cup.Adjusted by water level
Control plate keeps constant level in fog water content, and liquid is passed back into return tank by difference in level by overflow launder；Guarantee constant；Constant temperature
Sheet guarantees constant temperature.
Further, it is provided above visualizing glass at fog water content, facilitates experimental implementation person to observe the shape of atomization box at any time
Condition.
Further, in gas control system, flow controller is according to the value release gas preset, and default value is experiment
Personnel are arranged according to each requirement of experiment difference, mix with superfine spray and are sprayed onto in intelligent combustion cup, knock out in intelligent combustion cup
Flame.
Further, intelligent combustion cup is covered with quartz cover, prevents the too high blast of combustion cup temperature, and prevents outside fuel
Let out, produce unexpected.
Further, intelligent combustion cup is also configured with lighter, facilitates experimenter to light a fire.
Further, return tank realization measurement product mist quality indirectly avoids and is remake into by symmetry in nebulizer atomization process
Interference.
Further, return tank has little water pump and speed regulator, accurately control to enter into the water in constant temperature constant atomization box
Flow.
Accompanying drawing explanation
Fig. 1 is the superfine spray critical extinguishing concentration experimental provision structural representation that this utility model provides；
Fig. 2 is the constant temperature constant atomization box structural representation that this utility model provides；
Fig. 3 is the intelligent combustion cup structure schematic diagram that this utility model provides.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.Should be appreciated that specific embodiment described herein is only in order to explain
This utility model, is not used to limit this utility model.
As it is shown in figure 1, a kind of superfine spray critical extinguishing concentration experimental provision, including: constant temperature constant atomization box 100, gas
Body control system 200, intelligent combustion cup 300, regurgitation measurement system 400 and data acquisition processing system 500；
Described constant temperature constant atomization box, for becoming superfine spray by the liquid transition of different component；
Described gas control system, is used for providing quantitative gas, the ultra-fine water provided with described constant temperature constant atomization box
Mist mixing fire extinguishing；
Described intelligent combustion cup, is used for providing fuel to produce flame, and measures the burning degree of flame；
Described regurgitation measurement system, for providing the liquid of described different component to described constant temperature constant atomization box；
Data acquisition processing system, for gathering the minimizing of the liquid of the different component that described regurgitation measurement system provides
The amount of the gas that amount, described gas control system provide, and the burning degree of described intelligent combustion cup Flame, calculate critical
Extinguishing concentration.
As depicted in figs. 1 and 2, it is provided with inlet 101, described regurgitation measurement bottom described constant temperature constant atomization box one jiao
In system, the liquid of different component is flowed in the fog water content 102 in described constant temperature constant atomization box by described inlet, mist
Change in groove 102 and be provided with nebulizer 103；Described fog water content 102 is provided above water level management plate 104, and adjacent fog water content 102 sets
Being equipped with overflow launder 105, when water excess in described fog water content 102, described water level management plate 104 levitating, too much water is flowed into
In described overflow launder 105；Refluxing opening 106 it is provided with, described refluxing opening and entering bottom described another angle of constant temperature constant atomization box
Liquid mouth connects described regurgitation measurement system；It is provided with constant temperature sheet 107 at described fog water content atomisation outlet；Described overflow launder 105
Being provided with fog outlet 108 on top, described constant temperature constant atomization box, described fog outlet 108 connects described intelligent combustion cup 300.
As in figure 2 it is shown, be provided with visualization glass 109 above fog water content, on described constant temperature constant atomization box.
As it is shown in figure 1, described gas control system 200 includes: air compressor machine 201, it is used for producing gas；Described air compressor machine produces
Raw gas enters in flow controller by air inlet pipe, and described flow controller 202 is according to default value release respective amount
Gas, gas is input in trousers 203, in described constant temperature constant atomization box produce superfine spray at described trousers
In mix with gas and to enter in described intelligent combustion cup by fog outlet, fire extinguishing.The value preset is that experimenter is according to every time
Requirement of experiment difference is arranged, and those skilled in the art can be arranged as required to, and this utility model is without limitation.
As it is shown on figure 3, intelligent combustion cup 300 periphery is covered with quartz cover 301；In cartridge 302, input fuel is passed into combustion
Beaker burns；Thermocouple 303 senses the ignition temperature of fuel in fuel bowl, and by described ignition temperature by data wire 304
It is sent to described data handling system.
As it is shown on figure 3, described intelligent combustion cup also includes lighter 305, for lighting the fuel in described combustion cup.
As it is shown in figure 1, described regurgitation measurement system 400 includes: return tank 401, water conservancy diversion water pipe 402 and electronic balance 403,
Holding the liquid of different component in return tank 401, described return tank 401 connects described constant temperature constant mist by water conservancy diversion water pipe 402
Change case；Described electronic balance 403 is for weighing the decrement of different component liquid in described return tank, and described decrement is sent out
Deliver to described data acquisition processing system 500.
Described return tank there are little water pump and speed regulator, little water pump increase enter into described constant temperature constant atomization box liquid
Pressure, described speed regulator adjust described in enter into the flow velocity of described constant temperature constant atomization box liquid.
This utility model is used to test critical extinguishing concentration specifically:
A, first turn on nebulizer and regulation arranges different atomization power, use electronic balance and data acquisition process system
System, the Mass lost amount of different component liquid in Real-time Collection record return tank.This utility model data acquisition processing system can
To be replaced by computer generation.
B, critical fire extinguishing parameter testing
In atomization box, inject different component liquid, open return tank internal reflux pump simultaneously.Light intelligent combustion cup internal combustion
Material, pre-burning 60s；Then, start nebulizer, air compressor machine by air inlet pipe, flow controller and trousers with certain flow to
It is passed through air inside atomization box, starts data acquisition processing system simultaneously and carry out air flow data collection.One is given
Experiment condition, in primary fire fighting test, if attack time was more than 3 minutes, thinks and put out a fire unsuccessfully；Connect in this operating mode
The fire fighting test got off then is gradually increased nebulizer atomization power, changes air mass flow by flow controller, thus change
Superfine spray concentration and water smoke are by speed in combustion cup, until fray-out of flame.Electronic balance record atomization quality, flow-control
The parameter such as thermocouple record temperature in device display air mass flow, combustion cup.Under each air mass flow, retest three times, many
Component fluids mass loss takes three meansigma methodss.
C, different component liquid atomization amount calculate
M=(M1+M2+M3++Mn)/n
In formula: M liquid mist rate, unit g/s；In Mn constant air flow flows case next time, liquid quality reduces
Rate, unit g/s；N tests number of repetition.
D, volume of air flux modification
V=TV0/T0
In formula: volume of air flow in the atomization box after V correction, air mass flow under L/s:V0 ambient temperature,
Experiment temperature, unit K: T0 ambient temperature, unit K in L/s:T atomization box.
E, critical extinguishing concentration calculate
C=M/V
In formula: the critical extinguishing concentration of C different component liquid, g/L；M liquid mist rate, unit g/s, V
Volume of air flow, L/s in atomization box after correction
Finally, data handling system is calculated critical extinguishing concentration by above-mentioned calculation procedure and method.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Any amendment, equivalent and the improvement etc. made within the spirit of utility model and principle, should be included in this utility model
Protection domain within.
Claims (8)
1. a superfine spray critical extinguishing concentration experimental provision, it is characterised in that including: constant temperature constant atomization box, gas control
System processed, intelligent combustion cup, regurgitation measurement system and data acquisition processing system；The inlet of described constant temperature constant atomization box is even
Connecing and described regurgitation measurement system, in described regurgitation measurement system, the liquid of different component enters into described by described inlet
In constant temperature constant atomization box, the liquid transition of different component is become superfine spray, described ultra-fine water by described constant temperature constant atomization box
Mist is mixed with gas in described gas control system and is entered in described intelligent combustion cup by fog outlet, extinguishes described intelligence
Flame in combustion cup；The flame combustion degree of mensuration is sent to described data by data wire and processes by described intelligent combustion cup
System, the decrement of different component liquid is sent to described data handling system by data wire by described regurgitation measurement system,
The amount providing gas is sent to described data handling system, described data acquisition system by data wire by described gas control system
System uses the amount of the gas of the decrement of liquid of different component, described gas control system offer, and described intelligent combustion
The burning degree of cup Flame, calculates critical extinguishing concentration.
Superfine spray the most according to claim 1 critical extinguishing concentration experimental provision, it is characterised in that described constant temperature constant
Being provided with inlet bottom atomization box one jiao, in described regurgitation measurement system, the liquid of different component is flowed into by described inlet
In fog water content in described constant temperature constant atomization box, fog water content is provided with nebulizer；Described fog water content is provided above water
Position regulation and control plate, adjacent fog water content is provided with overflow launder, when water excess in described fog water content, described water level management plate levitating, mistake
Many water is flowed in described overflow launder；It is provided with refluxing opening, described backflow bottom described another angle of constant temperature constant atomization box
Mouth and inlet connect described regurgitation measurement system；It is provided with constant temperature sheet at described fog water content atomisation outlet；Described overflow launder
Being provided with fog outlet on top, described constant temperature constant atomization box, described fog outlet connects described intelligent combustion cup.
Superfine spray the most according to claim 2 critical extinguishing concentration experimental provision, it is characterised in that on fog water content
It is provided with visualization glass on side, described constant temperature constant atomization box.
Superfine spray the most according to claim 1 critical extinguishing concentration experimental provision, it is characterised in that described gas controls
System includes: air compressor machine, is used for producing gas；The gas that described air compressor machine produces enters into flow controller by air inlet pipe
In, gas, according to the gas of the value release respective amount preset, is input in trousers by described flow controller, and described constant temperature is permanent
The superfine spray produced in amount atomization box mixes with gas in described trousers and enters into described intelligent combustion by fog outlet
In Bei, fire extinguishing.
Superfine spray the most according to claim 1 critical extinguishing concentration experimental provision, it is characterised in that outside intelligent combustion cup
Shroud has quartz cover；In cartridge, input fuel is passed in combustion cup burning；The burning of fuel in thermocouple induction fuel bowl
Temperature, and described ignition temperature is sent to described data handling system by data wire.
Superfine spray the most according to claim 5 critical extinguishing concentration experimental provision, it is characterised in that described intelligent combustion
Cup also includes lighter, for lighting the fuel in described combustion cup.
Superfine spray the most according to claim 1 critical extinguishing concentration experimental provision, it is characterised in that described regurgitation measurement
System includes: return tank, water conservancy diversion water pipe and electronic balance, holds the liquid of different component in return tank, and described return tank passes through
Water conservancy diversion water pipe connects described constant temperature constant atomization box；Described electronic balance is for weighing different component liquid in described return tank
Decrement, and described decrement is sent to described data acquisition processing system.
Superfine spray the most according to claim 7 critical extinguishing concentration experimental provision, it is characterised in that in described return tank
Having little water pump and speed regulator, little water pump increase to enter into the pressure of described constant temperature constant atomization box liquid, described speed regulator adjusts
The described flow velocity entering into described constant temperature constant atomization box liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620195439.9U CN205683458U (en) | 2016-03-15 | 2016-03-15 | A kind of superfine spray critical extinguishing concentration experimental provision |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620195439.9U CN205683458U (en) | 2016-03-15 | 2016-03-15 | A kind of superfine spray critical extinguishing concentration experimental provision |
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| CN205683458U true CN205683458U (en) | 2016-11-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106814005A (en) * | 2016-12-31 | 2017-06-09 | 山东中烟工业有限责任公司 | A kind of detection of electronic cigarette atomizing amount and mask method |
| CN112684099A (en) * | 2020-12-18 | 2021-04-20 | 郑州大学 | Assembled turbulent flame extinguishing device |
-
2016
- 2016-03-15 CN CN201620195439.9U patent/CN205683458U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106814005A (en) * | 2016-12-31 | 2017-06-09 | 山东中烟工业有限责任公司 | A kind of detection of electronic cigarette atomizing amount and mask method |
| CN112684099A (en) * | 2020-12-18 | 2021-04-20 | 郑州大学 | Assembled turbulent flame extinguishing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161116 Termination date: 20170315 |