CN106621146A - Multifunctional fine water mist type fire extinguishing experiment device - Google Patents
Multifunctional fine water mist type fire extinguishing experiment device Download PDFInfo
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- CN106621146A CN106621146A CN201710119119.4A CN201710119119A CN106621146A CN 106621146 A CN106621146 A CN 106621146A CN 201710119119 A CN201710119119 A CN 201710119119A CN 106621146 A CN106621146 A CN 106621146A
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- plunger pump
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/03—Nozzles specially adapted for fire-extinguishing adjustable, e.g. from spray to jet or vice versa
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
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- 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 invention discloses a multifunctional fine water mist type fire extinguishing experiment device. According to the multifunctional fine water mist type fire extinguishing experiment device, a hose, a water tank, water outlets, a connecting pipeline, a high-pressure plunger pump, a plunger pump water outlet pipe, a high-pressure hose, a jetting device and a pressure regulating screw rod are arranged, and water can enter the water tank through the hose, and enter the high-pressure plunger pump from a water outlet hole formed in the water tank through the connecting pipeline; the pressure regulating screw rod is arranged on the high-pressure plunger pump, and water outlet pressure of the high-pressure plunger pump is adjusted so that the water inside the high-pressure plunger pump can sequentially enter the high-pressure hose and the jetting device from the plunger pump water outlet pipe to form a fine water mist and a fine water mist type water curtain; and the pressure regulating screw rod is arranged so that different water outlet pressure values can be adjusted according to actual requirements, and the fine water mist and the fine water mist type water curtain with different particle size distribution can be generated. The particle size range of the fine water mist can meet the requirements for extinguishing different types of fires, the fine water mist type water curtain has the smoke blocking and heat insulating functions, and therefore the multifunctional fine water mist type fire extinguishing experiment device can be applied to visual experiment teaching and scientific research of related fire-fighting technologies.
Description
Technical field
The present invention relates to fire control technology field, more particularly to one kind can be applicable to teaching field and scientific research neck
The multi-functional fine mist fire-fighting experimental provision of the highly integrated high pressure single fluid in domain.
Background technology
For controlling and fight a fire to have extremely important effect, water mists go out for the research and development of fire control technology and application
Ignition technique is the new hot issue of security against fire area research.The technology utilizes certain atomization method, by special thin water
Above-water method dielectric breakdown is fine mist by fog spray head, can reach control and knock down the flame, preventing fire and smoke spread from improving the scene of a fire can
The purpose of the apparent distance.The fire-fighting technique has the advantages that pollution-free, fire extinguishing is rapid, water consumption is low, destructive to protection object little,
The range of application of above-water method can be expanded, especially to the not applicable place offer flameproof protection of some traditional above-water method technology institutes
It is for the special fire for preventing and treating high-tech area and substantial industrial dangerous matter sources, such as computer room fire, aeronautics and space
Fire, electrical fire of modern large enterprise etc. in aircraft cabin, Water Mist Fire Extinguishing Technique has broad application prospects.In recent years
Come, Chinese scholars have carried out substantial amounts of research to Water Mist Fire Extinguishing Technique, and achieve some valuable achievements in research.
Water Mist Fire Extinguishing Technique is fire-fighting and the important content of courses of safety-related specialized courses.And the thin water of practical application
Belonging to large scale system mist fire extinguishing system Related product, equipment is complicated, expensive, inconvenient movement, discharge pressure is non-adjustable, thin water more
Mist droplet particle size distribution is limited, and the fine mist spray head type of different manufacturers research and development is different, and the water mists characteristic of generation is different,
It is difficult to adapt to the protection demand of polytype fire, it more difficult in being flexibly applied to experimental teaching and scientific research.Due to
Above-mentioned various reasons, at present it is not yet found that being applied to the device of experimental teaching and scientific research to Water Mist Fire Extinguishing Technique.
The content of the invention
It is an object of the invention to provide a kind of multi-functional fine mist fire-fighting experimental provision, not only with equipment is simple, water outlet
Pressure adjustable, the advantages of generate particle size distribution range wide one, two, three water mists, but also can pass through injection apparatus shape
Fire extinguishing or resistance hood are realized in the conversion of formula, have expanded application form of the water mists in the scene of a fire, are realized fine mist fire-fighting skill
Art is applied to experimental teaching and field of scientific study.
For achieving the above object, the invention provides a kind of multi-functional fine mist fire-fighting experimental provision, described multi-functional thin
Mist fire-fighting experimental provision includes：Control chamber and injection apparatus；The control chamber includes：Flexible pipe, water tank, apopore, connecting tube
Road, high-pressure plunger pump, plunger water pump outlet pipe, high-pressure hose and screw press；
Water enters the water tank by the flexible pipe, and the apopore is provided with inside the water tank, and the apopore passes through
The connecting line is connected with the high-pressure plunger pump, makes the water in the water tank enter the high-pressure column by the apopore
Plug pump, is provided with the plunger water pump outlet pipe inside the high-pressure plunger pump, and the plunger water pump outlet pipe is soft by the high pressure
Pipe is connected with the injection apparatus；The high-pressure plunger pump top is provided with the screw press, for adjusting the high-pressure column
The discharge pressure of plug pump, enables water to sequentially enter the high-pressure hose, the injection apparatus by the plunger water pump outlet pipe,
The water mists being variously formulated or water mists type water curtain.
Optionally, the water tank includes：Ball-cock assembly, electronic water level detector, spilled water hole；The ball-cock assembly is placed on the water
In case, for controlling cistern water level, and the automatic water supplement when the cistern water level is not enough, when the cistern water level reaches certain water
Auto water stopping during position；The electronic water level detector is arranged on the water tank bottom side, low for working as water level in the water tank
When threshold value is arranged, system alarm is simultaneously automatically stopped the high-pressure plunger pump operating, prevents the high-pressure plunger pump from dallying；It is described
Discharge opening is located at the water tank bottom, for when used time or winter do not freeze water tank long-time, by the water tank
Water is thoroughly discharged, and prevents the water tank from getting rusty or aqueous metamorphism.
Optionally, the control chamber also includes：Divide water threeway group, high-pressure outlet group and solenoid valve block；Described point of water
Threeway group, including first point of water threeway, the second moisture threeway and the 3rd moisture threeway, for by the connecting line and institute
The connection of plunger water pump outlet pipe is stated, multigroup water outlet connecting line is formed；The high-pressure outlet group include the first high-pressure outlet, the
Two high-pressure outlets, the 3rd high-pressure outlet and the 4th high-pressure outlet, on the connecting line, for connecting height
Pressure flexible pipe；The solenoid valve block includes the first electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve and the 4th electromagnetic valve, is arranged on
On the connecting line of each point between water threeway and each high-pressure outlet, for controlling the unlatching of high-pressure outlet and closing
Close；Wherein, the plunger water pump outlet pipe is connected by the connecting line with first point of water threeway, first point of water three
Cross the connecting line all to be also connected with second point of water threeway and first high-pressure outlet respectively, described second point
Water threeway is also connected respectively by the connecting line with the 3rd point of water threeway and second high-pressure outlet, institute
State the 3rd point of water threeway by the connecting line respectively also with the 3rd high-pressure outlet and the 4th high-pressure outlet
Connection.
Optionally, the control chamber also includes：Electric control box, three phase electric machine and connecting line；The three phase electric machine leads to
The connecting line and the electric control box are crossed, for the high-pressure plunger pump operating power is provided；The behaviour of the electric appliance control box
Make that on and off switch is installed on panel, scram button, manual/auto switching button, water pump operation display lamp, power supply indicator,
Cut off the water supply display lamp, temperature monitor, humidity monitors, for fire fighting test device described in Automated condtrol；Wherein, the temperature
Monitor and humidity monitors, for the temperature and humidity in monitoring test place, and when humiture index exceeds given threshold,
The fire fighting test device is automatically stopped operation, protects the three phase electric machine and the high-pressure plunger pump.
Optionally, the injection apparatus are fixed on support, the injection apparatus, including：Fine mist spray head parent, thin water
Atomizing nozzle, collector pipe and spray boom, for forming water mists or water mists type water curtain；When the water mists are generated, from institute
Fine mist spray head and the collector pipe are stated, the fine mist spray head is arranged on the collector pipe, and the high-pressure hose connects institute
State collector pipe；When generating the water mists type water curtain, from the spray boom, the spray boom is connected wherein with the high-pressure hose；
Wherein, the fine mist spray head is threaded connection and is constituted by the fine mist spray head parent and 7 mist-generating nozzles, described
The outlet aperture 0.7mm of mist-generating nozzle；The spray boom is provided with 8 mist-generating nozzles.
Optionally, a length of 1.2m of the spray boom, a diameter of 1.5cm；8 water mists are evenly arranged on the spray boom
Nozzle, and the spacing of the adjacent mist-generating nozzle of any two is 16cm.
Optionally, the fire fighting test device also includes：Water purifier；The water purifier is by the flexible pipe and the water tank
Connection, for preventing impurities in water from blocking the mist-generating nozzle.
Optionally, the fire fighting test device also includes：Return pipe；The return pipe is used to connect the plunger displacement pump water outlet
Pipe and the water tank, make the high-pressure plunger pump and the water tank form loop, it is ensured that when all high-pressure water outlet groups it is complete
Portion open when, between the high-pressure water outlet and the connecting line flow and the plunger water pump outlet pipe and the return pipe it
Between flow and total flow for the high-pressure plunger pump；When high-pressure water outlet is opened in part, the pent water under high pressure
Outlet and the connecting line between the water yield by the return pipe earial drainage to the water tank, it is ensured that the high-pressure plunger pump it is total
Flow is constant.
Optionally, the fire fighting test device also includes：Pressure gauge；The pressure gauge is arranged on the screw press one
Side, for checking the water outlet pressure force value of the high-pressure plunger pump.
According to the specific embodiment that the present invention is provided, the invention discloses following technique effect：The present invention is soft by arranging
Pipe, water tank, outlet, connecting line, high-pressure plunger pump, plunger water pump outlet pipe, high-pressure hose, injection apparatus and pressure regulation spiral shell
Bar, passes water through flexible pipe and enters water tank, and the apopore being provided with from inside water tank enters high-pressure plunger pump by connecting line,
Screw press is installed on high-pressure plunger pump top, for adjusting the discharge pressure of high-pressure plunger pump so that high-pressure plunger pump internal water
High-pressure hose, injection apparatus are sequentially entered from plunger water pump outlet pipe, water mists and water mists type water curtain is formed.
The present invention can adjust out different water outlet pressure force value according to the actual requirements by arranging screw press, generate different
The water mists and water mists type water curtain of particle diameter distribution.Water mists particle size range disclosure satisfy that different types of fire, water mists type
Water curtain can play the heat-insulated effect of resistance cigarette as fire prevention, Smoke prevention partition member；Intuitively experimental teaching is can be applicable to,
In can be applicable to the scientific research of related fire prevention.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing that needs are used is briefly described, it should be apparent that, drawings in the following description are only some enforcements of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can be with according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the multi-functional fine mist fire-fighting experimental provision front view of the embodiment of the present invention；
Fig. 2 is the multi-functional fine mist fire-fighting experimental provision control chamber structural representation of the embodiment of the present invention；
Fig. 3 is the multi-functional fine mist fire-fighting experimental provision plunger water pump outlet pipe connection figure of the embodiment of the present invention；
Fig. 4 is embodiment of the present invention water mists type water curtain spray rod device schematic diagram；
Fig. 5 is embodiment of the present invention water mists injection apparatus schematic diagram.
The ball-cock assembly 3 of 1 water purifier of flexible pipe 2
The electronic water level detector 6 of 4 electric control box of water tank 5
The high-pressure hose 9 of 7 high-pressure plunger pump of three phase electric machine 8
The spray boom 12 of 10 mist-generating nozzle of support 11
The moisture threeway 15 of 13 plunger water pump outlet pipe 14 of apopore the 3rd
The high-pressure outlet 18 of second 16 first moisture threeway 17 of moisture threeway the 3rd
The high-pressure outlet 21 of 19 second high-pressure outlet of spilled water hole 20 first
The electromagnetic valve 24 of second 22 first electromagnetic valve 23 of electromagnetic valve the 3rd
The pressure gauge 27 of 4th the 4th electromagnetic valve of high-pressure outlet 25 26
The scram button 30 of 28 on and off switch of screw press 29
The power supply indicator 33 of 31 water pump operation display lamp of manual/auto switching button 32
34 temperature monitor of display lamp 35 of cutting off the water supply humidity monitors 36
The fine mist spray head parent 39 of 37 collector pipe of return pipe 38
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
It is an object of the invention to provide a kind of multi-functional fine mist fire-fighting experimental provision, overcomes existing fine water mist fire-extinguishing system
Product structure is complicated, equipment is large-scale, expensive, operating pressure is fixed, discharge pressure is fixed, water mists drop particle size distribution range
Limited, single function, is not suitable for college experiment teaching link and the characteristics of base application is studied, and a kind of collection spirit has been invented hereby
The features such as active, multi-functional, multi-form, strong applicability in the high pressure single fluid fine spray fire extinguishing system experimental provision of one, no
Can only put out a fire, and cigarette can be hindered, forbid it is full of smoke, so as to carry out related demonstration of experiment teaching, research water mists
The application experiment effect of fire extinguishing system and water mists type water curtain system resistance cigarette effect of heat insulation offer device platform, are fire-fighting domain
The popularization of middle water mists focus new technique provides experiment and theoretical research foundation.
It is understandable to enable the above objects, features and advantages of the present invention to become apparent from, it is below in conjunction with the accompanying drawings and concrete real
The present invention is further detailed explanation to apply mode.
Fig. 1 is the multi-functional fine mist fire-fighting experimental provision front view of the embodiment of the present invention；Fig. 2 is many work(of the embodiment of the present invention
Can fine mist fire-fighting experimental provision control chamber structural representation；Fig. 3 is the multi-functional fine mist fire-fighting experiment dress of the embodiment of the present invention
Put plunger water pump outlet pipe connection figure；Fig. 4 is embodiment of the present invention water mists type water curtain spray rod device schematic diagram；Fig. 5 is the present invention
Embodiment water mists injection apparatus schematic diagram.
The present invention is, based on high pressure single fluid swirling flow atomizing principle, to realize the fire extinguishing reality of multifunctional high pressure single-fluid water mist
Experiment device.
Understand that the multi-functional fine mist fire-fighting experimental provision includes according to Fig. 1-Fig. 5：Control chamber and injection apparatus.
The control chamber includes：Flexible pipe 1, ball-cock assembly 3, water tank 4, electric control box 5, electronic water level detector 6, three-phase electricity
Machine 7, high-pressure plunger pump 8, high-pressure hose 9, support 10, apopore 13, plunger water pump outlet pipe 14, the 3rd moisture threeway 15, second
Moisture threeway 16, the first moisture threeway 17, the 3rd high-pressure outlet 18, spilled water hole 19, the second high-pressure outlet 20, the first high pressure
Outlet 21, the second electromagnetic valve 22, the first electromagnetic valve 23, the 3rd electromagnetic valve 24, the 4th high-pressure outlet 25, the 4th electromagnetic valve
26th, pressure gauge 27, screw press 28 and return pipe 37；
Water is entered in water tank 4 by flexible pipe 1, and the bottom surface of water tank 4 is provided with apopore 13, and apopore 13 is by connecting line and height
Hydraulic plunger pump 8 connects, and is provided with plunger water pump outlet pipe 14 inside high-pressure plunger pump 8, plunger water pump outlet pipe 14 by connecting line with
First moisture threeway 17 connects, first point of water threeway 17 by connecting line respectively also with the second moisture threeway 16 and described first
High-pressure outlet 21 connects, and the second moisture threeway 16 is also extruded respectively by connecting line with the 3rd point of height of water threeway 15 and second
The mouth of a river 20 connects, and the 3rd point of water threeway 15 is extruded by the way that connecting line is also high with the 3rd high-pressure outlet 18 and the 4th respectively
The mouth of a river 25 connects, and each high-pressure outlet is connected with injection apparatus by high-pressure hose 9, and to be formed experiment is can be used for
Teaching and the water mists or water mists type water curtain of field of scientific study.
Wherein, screw press 28 is arranged on the top of high-pressure plunger pump 8, for adjusting the discharge pressure of high-pressure plunger pump 8；Can
According to the actual requirements, different water outlet pressure force value are adjusted out by screw press 28, so as to pass water through plunger water pump outlet pipe 14
High-pressure hose 9, injection apparatus is sequentially entered, the various water mists being variously formulated and water mists type water curtain, and water mists
Drop particle size distribution range is unrestricted.
As shown in Figure 1.Ball-cock assembly 3 is also equipped with water tank 4, for controlling the water level of water tank 4；By ball-cock assembly 3, it is capable of achieving to work as
The automatic water supplement when water level of water tank 4 is not enough, the auto water stopping when the water level of water tank 4 reaches certain water level.
The bottom side of water tank 4 is provided with electronic water level detector 6, for when water level is less than threshold value is arranged in water tank 4, being
System is reported to the police and is automatically stopped the high-pressure plunger pump 8 and operates, and prevents high-pressure plunger pump 8 from dallying.
Spilled water hole 19 is also provided with the bottom of water tank 4, for when used time or winter do not freeze the long-time of water tank 4, by water tank 4
Interior water is thoroughly discharged, and prevents water tank 4 from getting rusty or aqueous metamorphism.
Injection apparatus fix over the mount 10, in addition to injection apparatus, other assemblies integrated installation in a control chamber, just
In operation and control.Fire fighting test device is arranged on experimental stand, and experimental stand bottom is provided with universal wheel and scalable
Fixed foot, is easy to the movement and fixation of device.
In addition, the fire fighting test device also includes water purifier 2, water is entered in water purifier 2, for preventing water by flexible pipe 1
Middle impurity blocks mist-generating nozzle 11；Water in water purifier 2 enters water tank by flexible pipe 3.
As shown in Fig. 2 installing on and off switch 29, scram button 30, manual/auto on the guidance panel of electric control box 5
Switching button 31, water pump operation display lamp 32, power supply indicator 33, display lamp 34 of cutting off the water supply, temperature monitor 35 and humidity prison
Visual organ 36；Manually/automatic conversion button 31 realizes that free switching manually or automatically controls fire fighting test device；By temperature
Degree monitor 35 and humidity monitors 36, the temperature and humidity in monitoring test place, and according to the temperature and humidity of test site
Control electric control box 5 is turned on or off, and when humiture index exceeds given threshold, electric control box 5 is closed, and then
Fire fighting test device is set to be automatically stopped operation, protection three phase electric machine 7 and high-pressure plunger pump 8.In addition, three phase electric machine 7 is by connection
Line respectively with electric control box 5, high-pressure plunger pump 8 connects, and is that high-pressure plunger pump 8 provides power.
The fire fighting test device also includes：Pressure gauge 27；The pressure gauge 27 is arranged on the side of screw press 28, for looking into
See the water outlet pressure force value of high-pressure plunger pump 8.
As shown in Figure 3-4, injection apparatus include that mist-generating nozzle 11, spray boom 12, collector pipe 38 and fine mist spray head are female
Body 39.Injection apparatus can change according to experiment purpose, can form water mists type water curtain or water mists.
When the water mists are generated, from fine mist spray head and collector pipe 38, fine mist spray head is arranged on collector pipe 38
On, the connection collector pipe 38 of high-pressure hose 9.As shown in figure 3, the fine mist spray head is thin by fine mist spray head parent 39 and 7
Hydraulic spray nozzle 11 is threaded connection composition, the outlet aperture 0.7mm of the mist-generating nozzle 11.
When water mists type water curtain is generated, from mist-generating nozzle 11 and spray boom 12, the connection spray boom 12 of high-pressure hose 9.
As shown in figure 4, spray boom 12 long 1.2m, diameter 1.5cm, are evenly arranged 8 mist-generating nozzles 11, and the thin water of arbitrary neighborhood on spray boom
The spacing of atomizing nozzle 11 is 16cm.
As shown in figure 5, the fire fighting test device also includes：Return pipe 37；The return pipe 37 is used to connect the plunger
Water pump outlet pipe 14 and the water tank 4, make the high-pressure plunger pump 8 form loop with the water tank 4, it is ensured that when all water under high pressures go out
When mouth group is all turned on, flow between flow and plunger water pump outlet pipe 14 and return pipe 37 between high-pressure water outlet and connecting line
And total flow for high-pressure plunger pump 8；When high-pressure water outlet is opened in part, pent high-pressure water outlet and connecting line
Between the water yield by the earial drainage of return pipe 37 to water tank 4, it is ensured that the total flow of high-pressure plunger pump 8 is constant.
First electromagnetic valve 23 is installed between the first moisture threeway 17 and the first high-pressure outlet 21, in the second moisture three
Logical 16 and second high-pressure outlet 20 second electromagnetic valve 22 is installed, pacify in the 3rd point of high-pressure outlet 18 of water threeway 15 and the 3rd
Equipped with the 3rd electromagnetic valve 24, the 4th electromagnetic valve 26 is installed in the 3rd point of high-pressure outlet 25 of water threeway 15 and the 4th, for controlling
The open and close of high-pressure outlet processed.
Electric control circuit connection high-pressure plunger pump 8 in electric control box 5, the three phase electric machine 7 of water tank 4, electric control box 5
Each button and electronic water level detector 6 on operational control panel, for control high-pressure plunger pump 8, three phase electric machine 7 and
The open and close of each button on the operational control panel of electric control box 5 and the control water level of water tank 4, prevent high-pressure plunger pump
8 idle running.The fire fighting test device can pass through the button on the operational control panel of electric control box 5, realize operating in a key, and can
Realize manually and automatically switching and sudden-stop function.
The invention provides a kind of multi-functional fine mist fire-fighting experimental provision, by arranging screw press, changes pressure strip
The parameters such as part control injection apparatus flow, atomization cone angle, particle diameter distribution, size droplet diameter distribution, spray velocity and mist flux, it is raw
Into various water mists and water mists type water curtain of multi-form, can not only put out a fire, and cigarette can be hindered, forbid full of smoke；
And water mists drop particle size distribution range is unrestricted, so as to realize multi-state experiment condition, in addition, also can be with ISO9705 fire moulds
Draft experiment room, gallery fire test room etc. use cooperatively, and versatility is good.Meanwhile, the fire fighting test device is cheap, dimension
Shield expense is low, is easy to manufacturer production and popularization, is particularly suitable for meeting the experimental teaching requirement of Ge great colleges and universities and scientific research demand.
The designing technique of the fire fighting test device that the present invention is provided is ripe, and stable, even droplet distribution can be in difference
Pressure limit in can obtain I and II water mists, be adapted to A, B, E class fire of putting out a fire to save life and property.The water mists of generation comply fully with state
Family《Fine water mist fire-extinguishing system and part general technical specifications》And the Ministry of Public Security (GB/T26785-2011)《Micro- water smoke drips fire-extinguishing apparatus
Authentication techniques specification》Etc. (CNCACTS0013-2010) technical standard is required.Meanwhile, the fire fighting test device has compact little
Ingeniously, highly integrated, pressure adjustable, flexible application, stable performance, centralized Control, operating in a key, and strong applicability etc. are prominent
Feature, can form the various ways such as the water mists drop and water mists type water curtain of different-grain diameter scope, be capable of achieving fixed injection and move
Dynamic injection, and can use with other experiment scene combination collocations, can flexibly, reliably, safely be applied to experimental teaching and section
In learning research.
In addition, the present invention is by the fine water mist fire-extinguishing system installed in Practical Project is integrated, multifunction, changing pressure
Under the operating condition designs such as power, flow, the water mists of different-grain diameter scope and Flux Distribution can be obtained, can be used for A, B, E class fire of putting out a fire to save life and property
Calamity.By the water mists field distribution for being converted to multi-form of nozzle type and arrangement, by the correlation theory of water mist system
Knowledge is intuitively changed, animation, the realization theory effective combination actual with application, can not only increase the subjectivity energy of college student study
Dynamic property, can also expand the scope of one's knowledge of college student by carrying out opening experiment and participation subject study, excite the section of student
Grind and innovation ability.
It is understandable to enable the above objects, features and advantages of the present invention to become apparent from, below specific embodiment to this
It is bright to be described in further detail.
What the component and fire fighting test device disclosed by the invention that the fire fighting test device that the present embodiment is provided includes included
Component is identical, does not just discuss one by one here.
The pressure limit of high-pressure plunger pump 8 that the present embodiment is adopted for 0～12MPa, flow be 0～21L/min, three phase electric machine
7 power are 4KW, and frequency is 50Hz.Different feed pressures can be acquired by pressure is adjusted by screw press 28, so as to be formed
The water mists of different mist droplet particle size distributions.Four high-pressure outlets (18,20,21,25) connect four sets of high-pressure hoses 9, can basis
Application requirement selects water outlet connecting line quantity.
The volume 40L of water tank 4, water tank moisturizing controlled by ball-cock assembly 3 with being cut off the water, automatic water supplement when water level is not enough.Set in water tank 4
There is electronic water level detector 6, when water level is less than the threshold value that system is arranged in water tank 4, system alarm can be carried out and stop high pressure automatically
Plunger displacement pump 8, prevents high-pressure plunger pump 8 from dallying.Water purifier 2 is external purifying water body part, and effect is to prevent impurities in water from blocking up
Plug mist-generating nozzle 11.High-pressure hose 9 connects high-pressure outlet and injection apparatus, with anti-high voltage functionality, is easy to connect and pacifies
Dress.
The present embodiment can obtain water mists and water mists type water curtain according to injection apparatus.
From fine mist spray head and collector pipe 38 when generating water mists, and by high-pressure hose 9 and high-pressure outlet (18,
20th, 21,25) connect, be capable of achieving fixed installation injection and hand-held movable spray, fine mist spray head by 7 mist-generating nozzles 11 with
Fine mist spray head parent 39 is threaded connection composition, the outlet aperture 0.7mm of mist-generating nozzle 11.
Select when generating water mists type water curtain, with mist-generating nozzle 11 and spray boom 12, and by high-pressure hose 9 and high pressure water outlet
Mouth (18,20,21,25) connection；The long 1.2m of spray boom 12 that the present embodiment is selected, on diameter 1.5cm, and spray boom 12 8 are evenly arranged
Individual nozzle 12, spacing 16cm of any two nozzle 12；Spray boom 12 at most may be used in the fire fighting test device for providing in the present embodiment
Arrange 4.
The workflow of the present embodiment is as follows：In experimentation, water is input into water tank 4 by water purifier 2, and by ball-cock assembly 3
Water level in control water tank, while monitoring water level by electronic water level monitor 7 is automatically switched off high-pressure plunger pump 8 when water level is too low,
After water is full of in water tank, high-pressure plunger pump 8 is opened；Apopore 13 is provided with water tank 4, water enters high-pressure plunger pump from apopore 13
8, Jing screw press 28 are adjusted to operating pressure, and water Jing high-pressure plunger pumps 8 enter water delivery connecting line；According to spray boom 12 and catchmenting
A use group number for pipe 38, determines the unlatching quantity of high-pressure water outlet (18,20,21,25), and by electromagnetic valve (22,23,24,26)
Control.Last water enters injection apparatus by high-pressure hose 9, forms water mists or water mists type water curtain.In experimentation, pass through
Temperature monitor 35 and the temperature and humidity in the monitoring test place of humidity monitors 36, when humiture index exceeding standard, the three-phase
Motor 7 and high-pressure plunger pump 8 are automatically stopped operation, reach the purpose of protection three phase electric machine 7 and high-pressure plunger pump 8.
In addition, the present embodiment can adjust out different discharge pressures according to the actual requirements by arranging screw press 28
Value, realizes various water mists and water mists type water curtain of multi-form, and water mists drop particle size distribution range is unrestricted.
The fire fighting test device that the present embodiment is provided is to combine water mists mechanism of production, under specific fire scenario, is passed through
Regulating working conditions, can produce the I and II water mists drop with different atomization characteristics, it is adaptable to which different types of fire scenario will
Ask, while can carry out the experiment of cold conditions water mist flow field, many scene water mists and go out using fixed, mobile two kinds of application modes
The multinomial research contents such as fiery performance test and the resistance cigarette heat-proof quality experiment of water mists type water curtain, can be used for by lecture experiment, exhibition
Show the jeting effect of fine water mist fire-extinguishing system and water mists type water curtain system；By measuring experiment, water mists mist characteristic is determined
Parameter, including atomization cone angle, particle diameter distribution and droplet density distribution etc.；By the different working condition experimentings of design, research water mists system
System is directed to the fire-fighting characteristic of different type fire (A classes, B classes, E classes etc.), and inquires into working condition to fine mist fire-fighting effect
Affect, further the application characteristic and application of clear and definite water mists；By experiment, the resistance of water mists type water curtain is determined and verified
Cigarette heat-proof quality, determines the rainfall distribution characteristics of the new water curtain, and to fire smoke and the influencing characterisitic of fire scene temperature；It is logical
Experiment is crossed, fixed and hand-held fine water mist fire-extinguishing system operation application is carried out respectively, specify mode of operation method.Therefore,
The fire fighting test device that the present invention is provided can be applicable to intuitively experimental teaching, also apply be applicable to the science of related fire prevention
In research.
Specific case used herein is set forth to the principle and embodiment of the present invention, and above example is said
It is bright to be only intended to help and understand the method for the present invention and its core concept；Simultaneously for one of ordinary skill in the art, foundation
The thought of the present invention, will change in specific embodiments and applications.In sum, this specification content is not
It is interpreted as limitation of the present invention.
Claims (9)
1. a kind of multi-functional fine mist fire-fighting experimental provision, it is characterised in that the multi-functional fine mist fire-fighting experimental provision bag
Include：Control chamber and injection apparatus；The control chamber includes：Flexible pipe, water tank, apopore, connecting line, high-pressure plunger pump, plunger
Water pump outlet pipe, high-pressure hose and screw press；
Water enters the water tank by the flexible pipe, and the apopore is provided with inside the water tank, and the apopore is by described
Connecting line is connected with the high-pressure plunger pump, makes the water in the water tank enter the high-pressure plunger by the apopore
Pump, is provided with the plunger water pump outlet pipe inside the high-pressure plunger pump, and the plunger water pump outlet pipe passes through the high-pressure hose
It is connected with the injection apparatus；The high-pressure plunger pump top is provided with the screw press, for adjusting the high-pressure plunger
The discharge pressure of pump, enables water to sequentially enter the high-pressure hose, the injection apparatus, shape by the plunger water pump outlet pipe
Into the water mists or water mists type water curtain of multi-form.
2. multi-functional fine mist fire-fighting experimental provision according to claim 1, it is characterised in that the water tank includes：Ball float
Valve, electronic water level detector, spilled water hole；The ball-cock assembly is placed in the water tank, for controlling cistern water level, and when the water
Automatic water supplement when case water level is not enough, the auto water stopping when the cistern water level reaches certain water level；The electronic water level detector
Installed in the water tank bottom side, for when water level is less than threshold value is arranged in the water tank, system alarm to be simultaneously automatically stopped
The high-pressure plunger pump operating, prevents the high-pressure plunger pump from dallying；The discharge opening is located at the water tank bottom, for working as
When stating water tank long-time used time or winter not freezing, the water in the water tank is thoroughly discharged, prevent the water tank from getting rusty or water
It is rotten.
3. multi-functional fine mist fire-fighting experimental provision according to claim 1, it is characterised in that the control chamber also includes：
Divide water threeway group, high-pressure outlet group and solenoid valve block；Described point of water threeway group, including first point of water threeway, second moisture
Threeway and the 3rd moisture threeway, for being connected with the plunger water pump outlet pipe by the connecting line, form multigroup water outlet
Connecting line；The high-pressure outlet group include the first high-pressure outlet, the second high-pressure outlet, the 3rd high-pressure outlet and
4th high-pressure outlet, on the connecting line, for connecting high-pressure hose；The solenoid valve block includes the first electromagnetism
Valve, the second electromagnetic valve, the 3rd electromagnetic valve and the 4th electromagnetic valve, between each point of water threeway and each high-pressure outlet
The connecting line on, for controlling the open and close of high-pressure outlet；Wherein, the plunger water pump outlet pipe is by described
Connecting line is connected with first point of water threeway, and first point of water threeway is by the connecting line respectively also with described the
Two points of water threeways and first high-pressure outlet connect, second point of water threeway by the connecting line respectively also with institute
The 3rd point of water threeway and second high-pressure outlet connection are stated, the 3rd point of water threeway is by the connecting line point
Also it is not connected with the 3rd high-pressure outlet and the 4th high-pressure outlet.
4. multi-functional fine mist fire-fighting experimental provision according to claim 3, it is characterised in that the control chamber also includes：
Electric control box, three phase electric machine and connecting line；The three phase electric machine, by the connecting line and the electric control box, is institute
State high-pressure plunger pump operating and power is provided；On and off switch, scram button, handss are installed on the guidance panel of the electric appliance control box
Dynamic/automatic conversion button, water pump operation display lamp, power supply indicator, display lamp of cutting off the water supply, temperature monitor, humidity monitors are used
In fire fighting test device described in Automated condtrol；Wherein, the temperature monitor and humidity monitors, for monitoring test place
Temperature and humidity, and when humiture index exceeds given threshold, the fire fighting test device is automatically stopped operation, protection institute
State three phase electric machine and the high-pressure plunger pump.
5. multi-functional fine mist fire-fighting experimental provision according to claim 3, it is characterised in that the injection apparatus are fixed on
On support, the injection apparatus, including：Fine mist spray head parent, mist-generating nozzle, collector pipe and spray boom are thin for being formed
Water smoke or water mists type water curtain；When the water mists are generated, from the fine mist spray head and the collector pipe, the thin water
Fog spray head is arranged on the collector pipe, and the high-pressure hose connects the collector pipe；When generating the water mists type water curtain, choosing
The spray boom is used, the spray boom is connected wherein with the high-pressure hose；Wherein, the fine mist spray head is sprayed by the water mists
Head parent and 7 mist-generating nozzles are threaded connection composition, the outlet aperture 0.7mm of the mist-generating nozzle；The spray boom
It is provided with 8 mist-generating nozzles.
6. multi-functional fine mist fire-fighting experimental provision according to claim 5, it is characterised in that the spray boom it is a length of
1.2m, a diameter of 1.5cm；8 mist-generating nozzles, and the adjacent water mists of any two are evenly arranged on the spray boom
The spacing of nozzle is 16cm.
7. multi-functional fine mist fire-fighting experimental provision according to claim 5, it is characterised in that the fire fighting test device is also
Including：Water purifier；The water purifier is connected by the flexible pipe with the water tank, for preventing impurities in water from blocking the thin water
Atomizing nozzle.
8. multi-functional fine mist fire-fighting experimental provision according to claim 3, it is characterised in that the fire fighting test device is also
Including：Return pipe；The return pipe is used to connect the plunger water pump outlet pipe and the water tank, makes the high-pressure plunger pump and institute
State water tank and form loop, it is ensured that when all high-pressure water outlet groups are all turned on, the high-pressure water outlet and the connection
Between pipeline between flow and the plunger water pump outlet pipe and the return pipe flow and total stream for the high-pressure plunger pump
Amount；When high-pressure water outlet is opened in part, the water yield between the pent high-pressure water outlet and the connecting line is by institute
Return pipe earial drainage is stated to the water tank, it is ensured that the total flow of the high-pressure plunger pump is constant.
9. multi-functional fine mist fire-fighting experimental provision according to claim 1, it is characterised in that the fire fighting test device is also
Including：Pressure gauge；The pressure gauge is arranged on the screw press side, for checking the discharge pressure of the high-pressure plunger pump
Value.
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| CN201710119119.4A CN106621146A (en) | 2017-03-02 | 2017-03-02 | Multifunctional fine water mist type fire extinguishing experiment device |
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| CN107103829A (en) * | 2017-07-04 | 2017-08-29 | 合肥工业大学 | It is a kind of simulate enclosure water mists go out spraying fire experimental provision |
| CN110025909A (en) * | 2019-01-22 | 2019-07-19 | 上海博雾环保科技有限公司 | A kind of lithium battery test atomization fire-extinguishing system and extinguishing method |
| CN110031509A (en) * | 2019-05-21 | 2019-07-19 | 中国民用航空飞行学院 | Hangar high-pressure water mist fire-extinguishing experimental provision |
| CN110174252A (en) * | 2019-05-21 | 2019-08-27 | 中国民用航空飞行学院 | High-pressure water mist spray head mist throughput assay |
| CN112316350A (en) * | 2020-11-11 | 2021-02-05 | 中国民用航空飞行学院 | Water-based verification system platform applied to fire suppression of large civil aircraft cargo hold |
| CN113995985A (en) * | 2021-10-22 | 2022-02-01 | 国网河南省电力公司电力科学研究院 | Combined high-pressure water mist fire extinguishing simulation research device |
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| CN112316350A (en) * | 2020-11-11 | 2021-02-05 | 中国民用航空飞行学院 | Water-based verification system platform applied to fire suppression of large civil aircraft cargo hold |
| CN112316350B (en) * | 2020-11-11 | 2021-12-07 | 中国民用航空飞行学院 | Water-based verification system platform applied to fire suppression of large civil aircraft cargo hold |
| CN113995985A (en) * | 2021-10-22 | 2022-02-01 | 国网河南省电力公司电力科学研究院 | Combined high-pressure water mist fire extinguishing simulation research device |
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