CN114575928A - 40MW fire measurement and control system platform of rail vehicle and implementation method thereof - Google Patents
40MW fire measurement and control system platform of rail vehicle and implementation method thereof Download PDFInfo
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- CN114575928A CN114575928A CN202210270096.8A CN202210270096A CN114575928A CN 114575928 A CN114575928 A CN 114575928A CN 202210270096 A CN202210270096 A CN 202210270096A CN 114575928 A CN114575928 A CN 114575928A
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- 238000002485 combustion reaction Methods 0.000 claims abstract description 42
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000003546 flue gas Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 45
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- 230000000903 blocking effect Effects 0.000 claims description 12
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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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
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/40—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/003—Ventilation of traffic tunnels
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/08—Ventilation arrangements in connection with air ducts, e.g. arrangements for mounting ventilators
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a 40MW fire measurement and control system platform of a rail vehicle and an implementation method thereof, and the system platform comprises a combustion space body, a smoke collection system arranged in the combustion space body, a rail vehicle arranged in the smoke collection system and used as a fire load, a smoke exhaust port and a smoke collection hood arranged on the smoke collection system, a smoke exhaust pipeline connected with the smoke collection hood and provided with a smoke measurement section, a smoke sampling device arranged at the smoke measurement section of the smoke exhaust pipeline, a smoke exhaust fan arranged at the tail end of the smoke exhaust pipeline, a data acquisition and analysis device connected with the smoke sampling device, and a display control terminal, a wall surface water spray cooling system and an emergency fire extinguishing system which are arranged. The invention realizes accurate collection and measurement of flue gas, reduces the influence of wall surface heat radiation on a test by arranging the wall surface water spray cooling system, and ensures the safety of test facilities and experimenters by arranging the emergency fire extinguishing system to carry out fire extinguishing operation when the fire is out of control.
Description
Technical Field
The invention belongs to the technical field of fire engineering, and particularly relates to a 40MW fire measurement and control system platform of a rail vehicle and an implementation method thereof.
Background
With the development of the rail transportation industry and the storage industry in China and the continuous construction of highway tunnels, the fire hazard is increased, at present, China lacks basic data of the combustion heat release rate of rail transportation tools, storage places and highway tunnels, and needs to develop related experiments to obtain related combustion characteristic data to fill up the blank in China, and provides key parameters for the fire prevention and safety design of rail transportation tools, rail transportation tunnels, storage places and highway tunnels, but the heat release rate of rail transportation tool fires, storage fires and tunnel fires can reach more than 20MW and far exceeds that of common building fires, a conventional fire experiment platform is difficult to accurately and quantitatively measure the heat release rate, so that the novel protection system design and the basic data verification based on the rail transportation tools, the storage places and the highway tunnels are required, and a fire monitoring and control system platform of more than 20MW is required to be established.
In carrying out conflagration measurement and control system platform test process more than 20MW, because can not ensure that the flue gas is not excessive, can not realize the accurate collection of flue gas to the large scale rail vehicle conflagration causes very strong heat radiation to combustion space, this heat radiation can disturb the accurate survey of heat release, in addition large scale rail vehicle conflagration in case develop to the state of out of control, the intensity of a fire can spread fast, can destroy testing arrangement and endanger experimenter's safety.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a 40MW fire measurement and control system platform of a rail vehicle and an implementation method thereof, wherein the platform can accurately collect smoke, reduce the influence of wall surface heat radiation on a test, perform emergent heat and smoke removal when the fire is too large, and perform emergent fire extinguishing operation when the fire is out of control.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a40 MW fire measurement and control system platform of a rail vehicle comprises a combustion space body, a smoke collection system arranged in the combustion space body, a rail vehicle arranged in the smoke collection system and used as fire load, a smoke exhaust port arranged on the smoke collection system, a smoke collection hood arranged on the smoke exhaust port, a smoke exhaust pipeline connected with the smoke collection hood, a smoke measurement section arranged on the smoke exhaust pipeline, a smoke sampling device arranged on the smoke measurement section, a smoke exhaust fan arranged at the tail end of the smoke exhaust pipeline, a data acquisition and analysis device connected with the smoke sampling device, a display control terminal connected with the data acquisition and analysis device, a wall surface water spray cooling system and an emergency fire extinguishing system arranged in the combustion space body, wherein the smoke collection system comprises a smoke collection area body and a heat exhaust door arranged on one side of the smoke collection area body, the smoke blocking vertical wall is arranged on the other side of the smoke collection area body, and the air supplementing machine is arranged below the smoke blocking vertical wall.
Furthermore, the heat and smoke exhaust door comprises a door body, a fixed steel column vertically arranged on the smoke collection area body, a core penetrating through shaft hinge arranged on the fixed steel column, a diagonal reinforcing rib arranged on the door body, and a push-pull control device arranged on the smoke collection area body and connected with the door body, wherein the door body is connected with the fixed steel column through the core penetrating through shaft hinge.
Furthermore, the smoke-blocking vertical wall comprises a scroll arranged on the smoke collection area body, a roller shutter wound on the scroll, and a rotation control device arranged on the smoke collection area body and connected with the scroll.
Furthermore, the wall surface water spray cooling system comprises a cooling water supply main pipe arranged in the combustion space body, a plurality of cooling water supply branch pipes connected with the cooling water supply main pipe, cooling spray heads connected to the cooling water supply branch pipes, and a cooling system valve device arranged on the cooling water supply main pipe.
Furthermore, the cooling water supply main pipe and the cooling water supply branch pipe are provided with a first channel steel bracket for supporting and fixing.
Furthermore, the emergency fire extinguishing system comprises a fire extinguishing water supply main pipe arranged in the combustion space body, a plurality of fire extinguishing water supply branch pipes connected with the fire extinguishing water supply main pipe, fire extinguishing spray heads connected to the fire extinguishing water supply branch pipes, and a fire extinguishing system valve device arranged on the fire extinguishing water supply main pipe.
Furthermore, the fire extinguishing water supply main pipe and the fire extinguishing water supply branch pipe are provided with a second channel steel bracket for supporting and fixing.
Further, the flue gas sampling device comprises a thermocouple, a smoke density meter, a gas sampling probe and a gas differential pressure sensor which are all connected with the data acquisition and analysis device.
Based on the structure of the system platform, the invention also provides a realization method of the 40MW fire measurement and control system platform of the rail vehicle, which comprises the following steps:
s1, during experimental measurement, closing the heat and smoke exhaust door through the push-pull control device, and igniting the combustion objects in the rail vehicle by lowering the smoke barrier vertical wall through the rotary control device;
s2, starting the smoke exhaust fan, sucking the smoke generated by combustion to the smoke collecting hood through the smoke exhaust port, entering the smoke exhaust pipeline through the smoke collecting hood, and starting the air supplement fan to supplement air into the smoke collecting area body;
s3, opening a valve device of the cooling system, spraying water to the wall surface through a cooling spray head, reducing the temperature of the wall surface and reducing the influence of the heat radiation of the wall surface on the test;
s4, sampling the smoke by a smoke sampling device of the smoke measuring section, sending a sampling signal to a data acquisition and analysis device, and displaying the sampling signal through a display control terminal;
s5, when the fire in the rail vehicle is too big, opening a heat and smoke exhaust door at one side of the smoke collection system to exhaust heat and smoke in an emergency manner, and reducing the smoke heat of the smoke collection area;
and S6, when the fire in the rail vehicle is out of control, opening a valve device of the fire extinguishing system, and spraying water to the combustion object through the fire extinguishing nozzle to extinguish the fire.
Furthermore, the push-pull control device, the rotation control device, the smoke exhaust fan, the air supply fan, the cooling system valve device and the fire extinguishing system valve device are all connected with the display control terminal.
Compared with the prior art, the invention has the following beneficial effects:
(1) the invention realizes the accurate collection of the smoke by arranging the smoke collection system in the combustion space body, the smoke is sucked to the smoke collection cover through the smoke outlet and enters the smoke exhaust pipeline through the smoke collection cover by arranging the heat and smoke exhaust door, the smoke blocking vertical wall and the air supply machine, the smoke sampling device of the smoke measuring section samples the smoke and sends the collected sampling signal to the data acquisition and analysis device for analysis, the display control terminal displays the analysis result, thereby realizing the accurate measurement of the heat release rate, the wall surface water spray cooling system is arranged in the combustion space body, the cooling spray nozzle sprays water to the wall surface, the wall surface temperature is reduced, the influence of the wall surface heat radiation on the test is reduced, the emergency fire extinguishing system is arranged, when the fire in the rail vehicle is out of control, the fire extinguishing operation is carried out to the combustion object through the fire extinguishing spray nozzle, thereby ensuring the safety of test facilities and experimenters.
(2) The heat and smoke exhaust door comprises a door body, a fixed steel column, a core penetrating through shaft hinge, a diagonal reinforcing rib and a push-pull control device, a very stable structure is formed, smoke is well blocked in the smoke collection area body, the smoke is prevented from overflowing, meanwhile, when the fire is too large, the heat and smoke exhaust door is opened, high-temperature smoke can be rapidly exhausted, and the possibility that the high-temperature smoke damages experimental facilities is avoided.
(3) The smoke blocking vertical wall comprises a scroll, a rolling curtain and a rotation control device, and smoke is well blocked in the smoke collection area body, so that the smoke is prevented from overflowing.
(4) According to the invention, the wall surface water spray cooling system is arranged, so that the wall surface temperature is reduced, the influence of wall surface heat radiation on a test is reduced, the accuracy and reliability of experimental data are ensured, and meanwhile, the support and fixation of the cooling water supply main pipe and the cooling water supply branch pipe are well realized by arranging the first channel steel bracket.
(5) According to the invention, the emergency fire extinguishing system is arranged, when the fire is out of control, the valve device of the fire extinguishing system is opened, and the fire extinguishing operation is carried out by spraying water to the combustion object through the fire extinguishing nozzle, so that the safety of test facilities and test personnel is ensured, and meanwhile, the first channel steel bracket is arranged, so that the support and fixation of the cooling water supply main pipe and the cooling water supply branch pipe are well realized.
(6) The smoke sampling device comprises a thermocouple, a smoke density meter, a gas sampling probe and a gas differential pressure sensor, and related combustion data are obtained by detecting the temperature, the smoke density, the gas components and the gas differential pressure.
(7) During experimental measurement, the heat and smoke exhaust door is closed, the smoke blocking vertical wall is put down, the comburent in the rail vehicle is ignited, the smoke exhaust fan is started, the smoke generated by combustion is sucked to the smoke collecting hood through the smoke exhaust port, enters the smoke exhaust pipeline through the smoke collecting hood, the air supplementing fan is started to supplement air to the body of the smoke collecting area, meanwhile, the valve device of the cooling system is opened, water is sprayed to the wall surface through the cooling spray nozzle, the temperature of the wall surface is reduced, the smoke sampling device of the smoke measuring section samples the smoke, the collected sampling signal is sent to the data collecting and analyzing device for analysis, the display control terminal displays the analysis result, when the fire is too large, the heat and smoke exhaust door on one side of the smoke collecting system is opened for emergent heat and smoke exhaust, when the fire is out of control, the valve device of the fire extinguishing system is opened for fire extinguishing operation, the method not only completes the experiment and obtains accurate data, but also protects the test facilities and the experimenters well.
8) According to the invention, the push-pull control device, the rotation control device, the smoke exhaust fan, the air supplement fan, the cooling system valve device and the fire extinguishing system valve device are all connected with the display control terminal, and the operation can be automatically carried out through the display control terminal, so that the danger possibly encountered by experimenters in the fire scene operation is avoided.
Drawings
Fig. 1 is a schematic diagram of the general structure of the measurement and control system platform of the present invention.
Fig. 2 is a schematic structural diagram of the smoke collecting system of the present invention.
FIG. 3 is a schematic view of the structure of the heat and smoke exhaust door of the present invention.
Fig. 4 is a schematic structural view of the smoke barrier of the present invention.
FIG. 5 is a schematic view of the wall spray cooling system of the present invention.
FIG. 6 is a schematic plan view of the water spray wall cooling system of the present invention.
Fig. 7 is a schematic view of an emergency fire suppression system of the present invention.
Fig. 8 is a schematic plan view of the emergency fire suppression system of the present invention.
FIG. 9 is a schematic diagram of a control principle of the measurement and control system platform of the present invention.
FIG. 10 is a flowchart of a measurement and control system platform implementation method of the present invention.
In the drawings, the names of the parts corresponding to the reference numerals are as follows:
1-a combustion space body, 2-a smoke collecting system, 3-a smoke outlet, 4-a smoke collecting hood, 5-a smoke exhaust pipeline, 6-a smoke sampling device, 7-a smoke exhaust fan, 8-a wall surface water spray cooling system, 9-an emergency fire extinguishing system, 10-a data acquisition and analysis device, 11-a display control terminal, 12-a rail vehicle, 201-a smoke collecting area body, 202-a heat and smoke exhaust door, 203-a smoke blocking vertical wall, 204-a smoke supplementing fan, 501-a smoke measuring section, 601-a thermocouple, 602-a smoke density meter, 603-a gas sampling probe, 604-a gas differential pressure sensor, 202 a-a door body, 202 b-a fixed steel column, 202 c-a core through shaft hinge, 202 d-a diagonal reinforcing rib and 202 e-a push-pull control device, 203 a-a reel, 203 b-a roller shutter, 203 c-a rotation control device, 801-a cooling water supply main pipe, 802-a cooling water supply branch pipe, 803-a cooling spray head, 804-a cooling system valve device, 805-a first channel steel bracket, 901-a fire extinguishing water supply main pipe, 902-a fire extinguishing water supply branch pipe, 903-a fire extinguishing spray head, 904-a fire extinguishing system valve device and 905-a second channel steel bracket.
Detailed Description
The present invention is further illustrated by the following figures and examples, which include, but are not limited to, the following examples.
Examples
As shown in fig. 1 to 9, the present embodiment provides a 40MW fire measurement and control system platform of a rail vehicle, which includes a combustion space body 1, a smoke collection system 2, a rail vehicle 12, a smoke outlet 3, a smoke collection hood 4, a smoke exhaust pipe 5, a smoke measurement section 501, a smoke sampling device 6, a smoke exhaust fan 7, a data acquisition and analysis device 10, a display control terminal 11, a wall surface water spray cooling system 8, and an emergency fire extinguishing system 9, wherein the smoke collection system 2 includes a smoke collection area body 201, a heat extraction smoke exhaust door 202, a smoke blocking vertical wall 203, and a fan supplement 204, and the present embodiment can accurately collect smoke through a reasonable measurement and control system platform design, thereby realizing accurate measurement of combustion data, reducing the influence of wall surface heat radiation on a test, performing emergency smoke extraction when the fire is too large, and performing emergency fire extinguishing operation when the fire is out of control, and the rail vehicle 40MW fire measurement and control system platform has a very strong heat extraction expansion property, can make up according to actual demand and build, can adjust the size of collection cigarette system 2 capacity through the position setting to heat extraction discharge smoke door 202, fender cigarette vertical wall 203, can serve the multiple real fire simulation actual combat training demand of fire rescue team, fire measurement and control system platform in this embodiment is except being used for rail vehicle 12 fields, also can be used to fire scenes such as storage place and highway tunnel, judges for complex space fire risk and provides the ration foundation.
In this embodiment, heat extraction smoke exhaust door 202 includes door body 202a, fixed steel column 202b, wear the core to lead to axle hinge 202c, draw strengthening rib 202d to one side, push-and-pull control device 202e, wherein, door body 202a leads to axle hinge 202c through wearing the core and links to each other with fixed steel column 202b, very stable structure has been formed, block the flue gas well in collection smoke area body 201, the excessive of flue gas has been prevented, simultaneously when the intensity of a fire is too big, open heat extraction smoke exhaust door 202 and can discharge high temperature flue gas fast, avoid high temperature flue gas probably to cause the destruction to experimental facilities.
In this embodiment, the smoke barrier 203 comprises a roller 203a, a roller shutter 203b, and a rotation control device 203c, so as to block smoke in the smoke collection area 201 well and prevent the smoke from overflowing.
In this embodiment, the wall surface water spray cooling system 8 includes a main cooling water supply pipe 801, branch cooling water supply pipes 802, cooling nozzles 803, and a cooling system valve device 804, wherein the main cooling water supply pipe 801 is led from a main laboratory water supply pipe, the pipes are arranged along the length direction of the wall surface, then the main cooling water supply pipe 801 is vertically provided with a plurality of branch cooling water supply pipes 802, the branch cooling water supply pipes 802 are provided with the cooling nozzles 803, the cooling system valve device 804 is arranged on the main cooling water supply pipe 801, for safety, the cooling system valve device 804 is arranged in a safe area outside the combustion space body 1, when the temperature in the combustion space body 1 is too high, the cooling system valve device 804 is opened to spray water to the wall surface, for enhancing the cooling effect, the wall surface water spray cooling systems 8 are uniformly arranged on the left and right sides of the wall surface, and by providing the wall surface water spray cooling systems 8, the wall temperature is reduced, the influence of wall heat radiation on the test is reduced, and the accuracy and reliability of experimental data are ensured.
In this embodiment, the cooling water supply main pipe 801 and the cooling water supply branch pipe 802 are provided with the first channel steel bracket 805 for supporting and fixing, so that the cooling water supply main pipe 801 and the cooling water supply branch pipe 802 can be supported and fixed well, fire protection measures are taken for the cooling water supply main pipe 801, the cooling water supply branch pipe 802 and the first channel steel bracket 805 in consideration of special requirements for fire extinguishment and actual field conditions, for example, high-density aluminum silicate wool is wound on each surface, so as to ensure that the cooling water supply main pipe 801, the cooling water supply branch pipe 802 and the first channel steel bracket 805 are not damaged in a high-temperature state.
In this embodiment, emergent fire extinguishing systems 9 is including the water supply main pipe 901 of putting out a fire, water supply branch 902 of putting out a fire, the shower nozzle 903 of putting out a fire, fire extinguishing systems valve device 904, because the system water consumption is big, set up large-traffic water supply facility specially, set up the water supply pipe alone, the pipeline adopts seamless steel pipe and does fire protection, for the safety, fire extinguishing systems valve device 904 arranges in the safe area outside combustion space body 1, open fire extinguishing systems valve device 904 and supply water to the experimental area when confirming to supply water, for reinforcing fire suppression effect, establish emergent fire extinguishing systems 9 to rail vehicle 12's top and lateral part equipartition, when the intensity of a fire in rail vehicle 12 is out of control, spout the operation of putting out a fire to rail vehicle 12 through the shower nozzle 903 of putting out a fire simultaneously.
In this embodiment, the main pipe 901 of supplying water of putting out a fire and the branch pipe 902 of supplying water that puts out a fire are equipped with and are used for supporting fixed second channel-section steel support 905, realized well that the support of the main pipe 901 of supplying water of putting out a fire and the branch pipe 902 of supplying water of putting out a fire is fixed, consider the special requirement and the on-the-spot actual conditions of putting out a fire, all take fire prevention protection measures to the main pipe 901 of supplying water of putting out a fire, the branch pipe 902 of supplying water of putting out a fire, second channel-section steel support 905, for example adopt the winding of high density aluminium silicate cotton on each surface, in order to guarantee under high temperature state, the main pipe 901 of supplying water of putting out a fire, the branch pipe 902 of supplying water of putting out a fire, second channel-section steel support 905 is not damaged.
In this embodiment, the flue gas sampling device 6 includes a thermocouple 601, a smoke density meter 602, a gas sampling probe 603, and a gas differential pressure sensor 604, and detects temperature, smoke density, gas composition, and gas differential pressure to obtain related sampling signals, and the data acquisition and analysis device 10 performs online processing on each sampling signal to obtain various combustion data including heat release rate.
As shown in fig. 10, the embodiment provides an implementation method of a 40MW fire measurement and control system platform of a rail vehicle, which includes the following steps:
s1, during experimental measurement, the heat and smoke exhaust door 202 is closed by the push-pull control device 202e, the smoke blocking vertical wall 203 is put down by the rotary control device 203c, and the combustion objects in the rail vehicle 12 are ignited;
s2, starting the smoke exhaust fan 7, sucking the smoke generated by combustion to the smoke collecting hood 4 through the smoke exhaust port 3, entering the smoke exhaust pipeline 5 through the smoke collecting hood 4, and starting the air supplement fan 204 to supplement air into the smoke collecting area body 201;
s3, opening the valve device 804 of the cooling system, spraying water to the wall surface through the cooling spray head 803, reducing the temperature of the wall surface, and reducing the influence of the heat radiation of the wall surface on the test;
s4, sampling the smoke by the smoke sampling device 6 in the smoke exhaust pipeline 5, sending the sampling signal to the data acquisition and analysis device 10, and displaying the sampling signal through the display control terminal 11;
s5, when the fire in the rail vehicle 12 is too big, opening the heat and smoke exhaust door 202 at one side of the smoke collection system 2 to exhaust heat and smoke in an emergency, and reducing the smoke heat in the smoke collection area;
s6, when the fire in the rail vehicle 12 is out of control, the valve device 904 of the fire extinguishing system is opened, and the fire extinguishing nozzle 903 sprays water to the combustion object to extinguish the fire.
In the experimental measurement of the embodiment, the heat and smoke exhaust door 202 is closed, the smoke blocking vertical wall 203 is put down, the combustion substances in the rail vehicle 12 are ignited, the smoke exhaust fan 7 is started, the smoke generated by combustion is sucked to the smoke collecting hood 4 through the smoke exhaust port 3, enters the smoke exhaust pipeline 5 through the smoke collecting hood 4, is started to supplement air to the smoke collecting area body 201 by the fan supplementing 204, meanwhile, the cooling system valve device 804 is opened, water is sprayed to the wall surface through the cooling spray nozzle 803, the temperature of the wall surface is reduced, the smoke sampling device 6 of the smoke measuring section 501 samples the smoke, the collected sampling signal is sent to the data collecting and analyzing device 10 for analysis, the display control terminal 11 displays the analysis result, when the fire is too large, the heat and smoke exhaust door on one side of the smoke collecting system 2 is opened for emergent heat and smoke exhaust, when the fire is out of control, the fire extinguishing system valve device 904 is opened for fire extinguishing operation, by the method, not only is an experiment completed to obtain accurate data, but also test facilities and experimenters are well protected.
As shown in fig. 9, in this embodiment, the push-pull control device 202e, the rotation control device 203c, the smoke exhaust fan 7, the air supply fan 204, the cooling system valve device 804, and the fire extinguishing system valve device 904 are all connected to the display control terminal 11, and related connections belong to the prior art, and can be implemented by conventional hardware design, and specific circuit configurations thereof are not described again in this embodiment. The display control terminal 11 can automatically operate, and the danger possibly met by experimenters operating in a fire scene is avoided.
When the invention is used, the smoke collection system 2 is arranged in the combustion space body, the smoke collection system 2 realizes accurate collection of smoke through arranging the heat and smoke exhaust door 202, the smoke blocking vertical wall 203 and the air supply fan 204, the smoke is sucked to the smoke collection hood 4 through the smoke exhaust port 3 and enters the smoke exhaust pipeline 5 through the smoke collection hood 4, the smoke sampling device 6 in the smoke exhaust pipeline 5 samples the smoke and sends the collected sampling signal to the data acquisition and analysis device 10 for analysis, the display control terminal 11 displays the analysis result, thereby realizing accurate measurement of the heat release rate, the wall surface water spray cooling system 8 is arranged in the combustion space body 1, the cooling spray nozzle 803 sprays water to the wall surface, the wall surface temperature is reduced, the influence of the wall surface heat radiation on the test is reduced, through arranging the emergency fire extinguishing system 9, when the fire in the rail vehicle 12 is out of control, the fire extinguishing operation is performed by spraying water to the combustion object through the fire extinguishing nozzle 903, so that the safety of test facilities and experimenters is ensured.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, but all changes that can be made by applying the principles of the present invention and performing non-inventive work on the basis of the principles shall fall within the scope of the present invention.
Claims (10)
1. Track vehicle 40MW fire measurement and control system platform, its characterized in that: including combustion space body (1), set up in collection cigarette system (2) in combustion space body (1), set up in as the track traffic tool (12) of conflagration load in collection cigarette system (2), set up in exhaust port (3) on collection cigarette system (2), set up in collection petticoat pipe (4) on exhaust port (3), with smoke exhaust pipe (5) that collection petticoat pipe (4) link to each other, set up in smoke gas measurement section (501) on the smoke exhaust pipe, set up in smoke gas sampling device (6) of smoke gas measurement section (501), set up in terminal smoke exhaust fan (6) of smoke exhaust pipe (5), with data acquisition and analytical equipment (10) that smoke gas sampling device (6) link to each other, with display control terminal (11) that data acquisition and analytical equipment (10) link to each other, and set up in wall water spray cooling system (8) in combustion space body (1), Emergent fire extinguishing systems (9), wherein, collection cigarette system (2) including collection cigarette district body (201), set up in heat extraction smoke exhaust door (202) of collection cigarette district body (201) one side, set up in the wall (203) that hangs down keeps off the cigarette of collection cigarette district body (201) opposite side, and set up in keep off cigarette and hang down supplementary fan (204) of wall (203) below.
2. The rail vehicle 40MW fire detection and control system platform of claim 1, wherein: the heat and smoke exhaust door (202) comprises a door body (202a), a fixed steel column (202b) vertically arranged on the smoke collection area body (201), a core penetrating through shaft hinge (202c) arranged on the fixed steel column (202b), a diagonal pulling reinforcing rib (202d) arranged on the door body (202a), and a push-pull control device (202e) arranged on the smoke collection area body (201) and connected with the door body (202a), wherein the door body (202a) is connected with the fixed steel column (202b) through the core penetrating through shaft hinge (202 c).
3. The rail vehicle 40MW fire detection and control system platform of claim 1, wherein: the smoke blocking vertical wall (203) comprises a scroll (203a) arranged on the smoke collection area body (201), a roller shutter (203b) wound on the scroll (203a), and a rotation control device (203c) arranged on the smoke collection area body (201) and connected with the scroll (203 a).
4. The rail vehicle 40MW fire detection and control system platform of claim 1, wherein: the wall surface water spray cooling system (8) comprises a cooling water supply main pipe (801) arranged in the combustion space body (1), a plurality of cooling water supply branch pipes (802) connected with the cooling water supply main pipe (801), cooling spray heads (803) connected to the cooling water supply branch pipes (802), and a cooling system valve device (804) arranged on the cooling water supply main pipe (801).
5. The rail vehicle 40MW fire detection and control system platform of claim 4, wherein: the cooling water supply main pipe (801) and the cooling water supply branch pipe (802) are provided with a first channel steel bracket (805) for supporting and fixing.
6. The rail vehicle 40MW fire detection and control system platform of claim 1, wherein: the emergency fire extinguishing system (9) comprises a fire extinguishing water supply main pipe (901) arranged in the combustion space body (1), a plurality of fire extinguishing water supply branch pipes (902) connected with the fire extinguishing water supply main pipe (901), fire extinguishing spray heads (903) connected to the fire extinguishing water supply branch pipes (902), and fire extinguishing system valve devices (904) arranged on the fire extinguishing water supply main pipe (901).
7. The rail vehicle 40MW fire detection and control system platform of claim 6, wherein: the fire extinguishing water supply main pipe (901) and the fire extinguishing water supply branch pipe (902) are provided with a second channel steel bracket (905) for supporting and fixing.
8. The rail vehicle 40MW fire detection and control system platform of claim 1, wherein: the flue gas sampling device (6) comprises a thermocouple (601), a smoke density meter (602), a gas sampling probe (603) and a gas differential pressure sensor (604), which are all connected with the data acquisition and analysis device (10).
9. The method for implementing the rail vehicle 40MW fire detection and control system platform according to any one of claims 1-8, comprising the following steps:
s1, during experimental measurement, the heat and smoke exhaust door (202) is closed through the push-pull control device (202e), the smoke blocking vertical wall (203) is put down through the rotary control device (203c), and the combustion objects in the rail vehicle (12) are ignited;
s2, starting the smoke exhaust fan (7), sucking the smoke generated by combustion to the smoke collecting hood (4) through the smoke exhaust port (3), entering the smoke exhaust pipeline (5) through the smoke collecting hood (4), and starting the air supplement fan (204) to supplement air into the smoke collecting area body (201);
s3, opening a valve device (804) of the cooling system, spraying water to the wall surface through a cooling spray head (803), reducing the temperature of the wall surface, and reducing the influence of the heat radiation of the wall surface on the test;
s4, sampling the smoke by the smoke sampling device (6) of the smoke measuring section (501), sending a sampling signal to the data acquisition and analysis device (10), and displaying the sampling signal through the display control terminal (11);
s5, when the fire in the rail vehicle (12) is too big, opening a heat and smoke exhaust door (202) at one side of the smoke collection system (2) to exhaust heat and smoke in an emergency manner, and reducing the smoke heat of the smoke collection area;
s6, when the fire in the rail vehicle (12) is out of control, the valve device (904) of the fire extinguishing system is opened, and the fire extinguishing spray head (903) sprays water to the combustion object to extinguish the fire.
10. The rail vehicle 40MW fire detection and control system platform and the implementation method thereof as claimed in claim 9, wherein: the push-pull control device (202e), the rotation control device (203c), the smoke exhaust fan (7), the air supply fan (204), the cooling system valve device (804) and the fire extinguishing system valve device (904) are all connected with the display control terminal (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210270096.8A CN114575928A (en) | 2022-03-18 | 2022-03-18 | 40MW fire measurement and control system platform of rail vehicle and implementation method thereof |
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| CN202210270096.8A CN114575928A (en) | 2022-03-18 | 2022-03-18 | 40MW fire measurement and control system platform of rail vehicle and implementation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118050245A (en) * | 2024-04-16 | 2024-05-17 | 中国科学技术大学 | System and method for testing thermodynamic coupling of structural member in simulated fire environment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118050245A (en) * | 2024-04-16 | 2024-05-17 | 中国科学技术大学 | System and method for testing thermodynamic coupling of structural member in simulated fire environment |
| CN118050245B (en) * | 2024-04-16 | 2024-08-09 | 中国科学技术大学 | System and method for testing thermodynamic coupling of structural member in simulated fire environment |
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