CN219416736U - Multifunctional lifting fire-fighting spraying fire-extinguishing experimental device - Google Patents
Multifunctional lifting fire-fighting spraying fire-extinguishing experimental device Download PDFInfo
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- CN219416736U CN219416736U CN202320657242.2U CN202320657242U CN219416736U CN 219416736 U CN219416736 U CN 219416736U CN 202320657242 U CN202320657242 U CN 202320657242U CN 219416736 U CN219416736 U CN 219416736U
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Abstract
The utility model discloses a multifunctional lifting fire-fighting spraying fire-extinguishing experimental device, which comprises an experimental frame, an air supply assembly, a spraying assembly, a lifting assembly and a smoke collecting hood. The bottom of the experiment frame is provided with universal wheels. The experiment frame is provided with a combustion chamber. The air supply subassembly is located experimental frame one side, and the directional experimental frame of air-out one end. The spray assembly is arranged in the experiment frame, and the water inlet end is connected with an external water source. The lifting assembly is arranged on the experimental frame and used for driving the spraying assembly to lift in the experimental frame. The fume collecting hood is located above the experiment frame, can conveniently and accurately realize experimental simulation of fire spreading prevention, control and blocking of the outer facade of the multi-included-angle high-rise building, can conduct comprehensive real-time recording on parameters in the experimental process, and can conveniently control experimental environment and experimental conditions.
Description
Technical Field
The utility model relates to the technical field of fire safety, in particular to a multifunctional lifting fire-fighting spraying fire-extinguishing experimental device.
Background
Along with the development of modern cities, the diversity and uniqueness of the buildings are increasingly revealed, more and more high-rise buildings are built higher, the fire load density is far higher than that of conventional buildings, and the internal and external interactive fire spreading is very easy to realize through glass curtain walls and other ways, so that the fire fighting challenge is presented, the highest fire fighting height of the domestic fire fighting truck is about 85m at present, the requirements of high-rise and super high-rise buildings on fire fighting safety cannot be met, and the blank of high-rise fire fighting needs to be supplemented and perfected by a new scheme urgently. And the window overflow fire studied at home and abroad only aims at the spreading mode and combustion characteristics, but is not studied under the condition of spraying prevention and control fire extinguishment under different high-rise wind speeds.
Disclosure of Invention
The utility model aims to provide a multifunctional lifting fire-fighting spraying fire-extinguishing experimental device.
The aim of the utility model can be achieved by the following technical scheme:
a multifunctional lifting fire-fighting spraying fire-extinguishing experimental device comprises an experimental frame, an air supply assembly, a spraying assembly, a lifting assembly and a smoke collecting hood.
The bottom of the experiment frame is provided with universal wheels. The experiment frame is provided with a combustion chamber.
The air supply subassembly is located experimental frame one side, and the directional experimental frame of air-out one end.
The spray assembly is arranged in the experiment frame, and the water inlet end is connected with an external water source.
The lifting assembly is arranged on the experimental frame and used for driving the spraying assembly to lift in the experimental frame.
The fume collecting hood is positioned above the experiment frame.
As a further scheme of the utility model: the experiment frame comprises two side plates which are connected through hinges. The side plate comprises a steel section framework and aluminum silicate ceramic fiber plates filled in the steel section framework.
As a further scheme of the utility model: the fiber board is provided with a heat insulation material and a fireproof isolation belt.
As a further scheme of the utility model: the spray assembly comprises a water inlet pipe and a corrugated connecting pipe, and a plurality of fire-fighting spray heads are installed on the water inlet pipe at intervals. One end of the corrugated connecting pipe is connected with the water inlet pipe, and the other end is connected with an external water source.
As a further scheme of the utility model: the side plates are provided with sliding rails, and sliding blocks are arranged in the sliding rails in a sliding manner. The sliding block is connected with a rope pulling machine at the top of the side plate through a pulling rope. The water inlet pipe is fixedly arranged on the sliding block.
As a further scheme of the utility model: and an equipment binding well is arranged outside the sliding rail. The equipment restraint well is mounted on the side plate. The corrugated connection pipe is positioned in the equipment constraint well.
As a further scheme of the utility model: a thermocouple and a radiant heat flow meter are also included. The radiant heat flow meter is arranged in a hole preset in the side plate.
As a further scheme of the utility model: a smoke discharging device and a power regulator are arranged in the smoke collecting hood.
As a further scheme of the utility model: the device also comprises two cameras which are arranged at two sides of the experiment frame.
The utility model has the beneficial effects that:
the experimental simulation of the fire spreading prevention, control and blocking of the outer facade of the multi-included-angle high-rise building can be conveniently and accurately realized, the parameters in the experimental process can be comprehensively recorded in real time, and the experimental environment and experimental conditions can be conveniently controlled.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the experimental setup of the present utility model;
FIG. 2 is a schematic view of a part of the construction of the bellows connecting tube and slide rail of the present utility model;
FIG. 3 is a schematic view of the position of the rope pulling machine of the present utility model;
FIG. 4 is a schematic structural view of the experimental frame in the present utility model.
In the figure: 1. an experiment frame; 2. an air supply device; 3. a fume collecting hood; 4. a camera; 5. a corrugated connecting pipe; 6. galvanized steel pipe; 7. a slide block; 8. fire control shower nozzle; 9. a slide rail; 10. a thermocouple; 11. a radiant heat flow meter; 12. a fire barrier; 13. a thermal insulation material; 14. a combustion chamber; 15. a universal wheel; 16. a rope pulling machine.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the utility model discloses a multifunctional lifting fire-fighting spraying fire-extinguishing experimental device, which mainly comprises an experimental test system and a data acquisition system.
The experimental test system comprises an experimental frame 1, an air supply assembly 2, a spraying assembly, a lifting assembly, a smoke collecting hood 3 and the like. The data acquisition system comprises a series of thermocouples 10, a water-cooled radiant heat flow meter 11, a high-definition camera 4, a gas acquisition analysis system and the like. The specific structure is as follows:
the bottom of the experiment frame 1 is provided with a universal wheel 15. The laboratory shelf 1 is provided with a combustion chamber 14. Specifically, the experiment frame 1 comprises two side plates, and the two side plates are connected through a hinge. The side plate comprises a steel section framework and aluminum silicate ceramic fiber plates filled in the steel section framework.
The air supply assembly 2 is located on one side of the experiment frame 1, and one air outlet end points to the experiment frame 1. Specifically, the air blowing unit 2 sets the wind direction and the wind speed at the time of the experiment by adjusting the power and the placement position.
The spray assembly is arranged in the experiment frame 1, and the water inlet end is connected with an external water source. Specifically, spray the subassembly and include inlet tube and ripple connecting pipe 5, install a plurality of fire control shower nozzles 8 on the inlet tube interval. One end of the corrugated connecting pipe 5 is connected with the water inlet pipe, and the other end is connected with an external water source.
The lifting assembly is arranged on the experiment frame 1 and used for driving the spraying assembly to lift in the experiment frame 1. It should be noted that the specific type of the lifting assembly is not limited, and it is preferable that a slide rail 9 is provided on the side plate, and the slide block 7 is slidably installed in the slide rail 9. The sliding block 7 is connected with a rope pulling machine 16 at the top of the side plate through a pulling rope. The water inlet pipe is fixedly arranged on the sliding block 7. Further, in view of the lifting direction and stability of the spray assembly, the slide rail 9 may be provided with an equipment restraining well in addition. The equipment restraint well is mounted on the side plate. The corrugated connecting pipe 5 is positioned in the equipment constraint well, and the movement of the corrugated connecting pipe 5 in the left-right direction is constrained.
The fume collecting hood 3 is positioned above the experiment frame 1. Specifically, be provided with fume extractor and power regulator in the collection petticoat pipe 3 to gather to burning gas product and flue gas concentration through the gas collection analysis system of connecting the wind channel pipeline, carry out communication connection with gas analyzer and data acquisition appearance through the pipeline that links to each other, carry out the analysis to the data, obtain the real-time generation rate of poisonous and harmful gas after the burning, can measure to the heat of combustion simultaneously.
Specifically, the radiant heat flow meter 11 is installed in a hole preset in the side plate. Two cameras 4 are placed on both sides of the experimental frame 1 to meet the recording of experimental videos in experiments, in particular flame position and morphology, and capturing the morphology of flame abrupt change moment and discontinuous ignition moment.
In some embodiments of the utility model, the height direction and the width direction are provided with scale plates, and the insulation material 13 and the fireproof isolation belt 12 can be arranged on the fiber board to study the fire spreading fireproof isolation rule of the outer surface.
In some embodiments of the utility model, the water inlet pipe of the spray assembly is made of galvanized steel pipe 6, so that the influence of high-temperature flue gas on the water inlet pipe and the corrugated pipe connected to the water inlet pipe is reduced
In some embodiments of the present utility model, the universal wheel 15 is arranged at the lower part of the main body of the experimental frame 1 to facilitate the movement of the experimental device, and at the same time, the main body of the experimental device can be locked and fixed to the wheel.
The utility model provides a set of multifunctional lifting spraying fire extinguishing experimental device, which takes a research experiment of the arrangement width rule of a fireproof isolation belt 12 of a heat-insulating curtain wall of a building as an example to explore the influence of environmental wind speed, building configuration, spraying angle and distance on fire extinguishing efficiency. The experimental process mainly comprises the following steps:
1. preparation before experiments
Before the experiment starts, the corresponding arrangement is carried out according to the experimental working conditions. In order to explore the influence of the height of spraying distance from a fire source and the distance between the spraying distance and a curtain wall on the fire extinguishing efficiency of the heat insulation material 13, the heat insulation material 13 is fixed on a ceramic fiber board of the experiment frame 1 and is arranged in a crossing manner with the fireproof isolation belt 12.
And adjusting an included angle formed by the two side plates, carrying out fan power adjustment and position placement, calibrating the thermocouple 10 for experiments and the heat flow meter, arranging the thermocouple 10 on a preset hole, and adjusting the heat flow meter bracket to a proper measurement position.
Inspection camera 4, spray assembly and lift assembly.
2. Carrying out experiments
The air supply assembly 2, the gas analysis system, and the temperature acquisition system are turned on to ignite the fuel in the combustion chamber 14. When the combustion reaches the set time, temperature or heat release rate, starting the spraying assembly, observing and recording phenomena and rules in the experimental development process, monitoring the data acquisition information, and taking measures at any time to cope with the emergency.
3. After the experiment
After the combustion is stopped, the temperature acquisition system is closed, the air supply assembly 2 is closed, the gas analyzer is closed when each gas concentration is recovered to a normal value, and the acquired data of each system are acquired for analysis and treatment.
And when the experimental device is restored to about room temperature, treating combustion residues, and cleaning the experimental device.
The scheme of the embodiment of the utility model adopts a small-scale experimental model to analyze the parameter change rule in the facade fire spreading prevention and control blocking experiment, explores the influence rule of the distance, width and wind speed of the fireproof isolation belt 12 and the building configuration, and has the following characteristics:
the experimental device has more functions, can realize various simulation experiments, explores the influence rules of various blocking technologies, compares the influence rules with each other, and has rich, real and reliable data results obtained by the method, thereby being convenient for operators to reprocess the data.
The experimental simulation of the fire spreading prevention, control and blocking of the outer facade of the multi-included-angle high-rise building can be conveniently and accurately realized, the parameters in the experimental process can be comprehensively recorded in real time, and the experimental environment and experimental conditions can be conveniently controlled. The type, the real-time concentration, the smoke temperature and the components of main gas products after combustion can be obtained through data analysis of a gas analysis system, and the heat release rate in an experiment is calculated; the architecture of the thermocouple 10 can be conveniently realized through a temperature acquisition system, and the real-time temperature in the experimental environment is obtained; the implementation form and the spreading rule of the flame in the experimental process can be obtained through the image acquisition system. The device has the characteristics of convenient operation, high authenticity and complete functions, and has great significance on deep knowledge of three-dimensional fire spreading, development rules of building fire, development of prevention and control technology and the like. The device can be used for researching various related fire spreading and blocking technologies of the outer facade of the multi-story building, simulating the machine law of the combustion phenomenon of the fire spreading of the outer facade of the building under the multi-condition factors of combustible matters, and exploring a scientific and effective spray fire extinguishing technology.
The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (9)
1. Multifunctional lifting fire-fighting spraying fire-extinguishing experimental device, which is characterized by comprising:
the bottom of the experiment frame (1) is provided with universal wheels (15); a combustion chamber (14) is arranged on the experiment frame (1);
the air supply assembly (2) is positioned at one side of the experiment frame (1), and one air outlet end points to the experiment frame (1);
the spraying assembly is arranged in the experiment frame (1), and the water inlet end is connected with an external water source;
the lifting assembly is arranged on the experiment frame (1) and used for driving the spraying assembly to lift in the experiment frame (1); and
and the fume collecting hood (3) is positioned above the experiment frame (1).
2. The multifunctional lifting fire-fighting spraying fire-extinguishing experimental device according to claim 1, wherein the experimental frame (1) comprises two side plates which are connected through a hinge; the side plates comprise steel section frameworks and aluminum silicate ceramic fiber plates filled in the steel section frameworks.
3. The multifunctional lifting fire-fighting spraying fire-extinguishing experimental device according to claim 2, wherein the fiber board is provided with a heat-insulating material (13) and a fireproof isolation belt (12).
4. The multifunctional lifting fire-fighting spraying fire-extinguishing experimental device according to claim 2, wherein the spraying assembly comprises a water inlet pipe and a corrugated connecting pipe (5), and a plurality of fire-fighting spray heads (8) are arranged on the water inlet pipe at intervals; one end of the corrugated connecting pipe (5) is connected with the water inlet pipe, and the other end is connected with an external water source.
5. The multifunctional lifting fire-fighting spraying fire-extinguishing experimental device according to claim 4 is characterized in that a sliding rail (9) is arranged on the side plate, and a sliding block (7) is arranged in the sliding rail (9) in a sliding manner; the sliding block (7) is connected with a rope pulling machine (16) at the top of the side plate through a pulling rope; the water inlet pipe is fixedly arranged on the sliding block (7).
6. The multifunctional lifting fire-fighting spraying fire-extinguishing experimental device according to claim 5, characterized in that an equipment restraint well is arranged outside the sliding rail (9); the equipment restraint well is arranged on the side plate; the corrugated connecting pipe (5) is positioned in the equipment constraint well.
7. The multifunctional lifting fire-fighting spraying fire-extinguishing experimental device according to claim 2, further comprising a thermocouple (10) and a radiant heat flow meter (11); the radiant heat flow meter (11) is arranged in a hole preset in the side plate.
8. The multifunctional lifting fire-fighting spraying fire-extinguishing experimental device according to claim 2, wherein a smoke exhausting device, a power regulator and a gas collecting and analyzing device are arranged in the smoke collecting hood (3).
9. The multifunctional lifting fire-fighting spraying fire-extinguishing experimental device according to claim 2, further comprising two cameras (4) placed on two sides of the experimental frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320657242.2U CN219416736U (en) | 2023-03-29 | 2023-03-29 | Multifunctional lifting fire-fighting spraying fire-extinguishing experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320657242.2U CN219416736U (en) | 2023-03-29 | 2023-03-29 | Multifunctional lifting fire-fighting spraying fire-extinguishing experimental device |
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| Publication Number | Publication Date |
|---|---|
| CN219416736U true CN219416736U (en) | 2023-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320657242.2U Active CN219416736U (en) | 2023-03-29 | 2023-03-29 | Multifunctional lifting fire-fighting spraying fire-extinguishing experimental device |
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| Country | Link |
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| CN (1) | CN219416736U (en) |
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- 2023-03-29 CN CN202320657242.2U patent/CN219416736U/en active Active
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