阅读说明：本技术 一种阻化剂集成式灭火实验装置及其使用方法 (Fire extinguishing experimental device with integrated inhibitor and using method thereof ) 是由 齐黎明 卢云婷 于 2021-07-09 设计创作，主要内容包括：本发明公开了一种阻化剂集成式灭火实验装置及其使用方法,属于火灾模拟技术领域,其包括混合箱,所述混合箱的背面与支座的正面固定连接,所述支座的内壁卡接有气瓶,所述混合箱的左侧面与电机的右侧面固定连接。该阻化剂集成式灭火实验装置及其使用方法,通过设置混合箱、水泵、气瓶和盖板,随即通过红外成像仪配合记录火焰直至到熄灭的状态,混合箱内清水排空后,通过注入适量的阻化剂重复测试即可,这种方式能够以红外成像仪所采集火焰状态图中的亮白色区域面积为火焰燃烧旺盛程度的评价指标,为选取不同方式灭火技术的相应灭火效果进行直观展示,能够进行相应的评价,以达到突出二氧化碳、水和阻化剂的混合物的喷洒效果进行检测。(The invention discloses a retardant integrated fire extinguishing experimental device and a using method thereof, belonging to the technical field of fire simulation. This inhibitor integrated form experimental apparatus that puts out a fire and application method thereof, through setting up the mixing box, a water pump, gas cylinder and apron, immediately through the cooperation record flame of infrared imager until the state of extinguishing, after the clear water evacuation in the mixing box, through pour into the appropriate amount of inhibitor retest can, this kind of mode can use the bright white area in the flame state diagram that infrared imager gathered as the evaluation index of the vigorous degree of flame burning, for choosing the corresponding fire extinguishing effect of different modes fire extinguishing technique and carrying out the audio-visual show, can carry out corresponding evaluation, detect in order to reach the spraying effect who highlights the mixture of carbon dioxide, water and inhibitor.)

1. The utility model provides a fire extinguishing experiment device of stopping agent integrated form, includes mixing box (1), its characterized in that: the back of the mixing box (1) is fixedly connected with the front of the support (2), the inner wall of the support (2) is connected with a gas cylinder (3), the left side surface of the mixing box (1) is fixedly connected with the right side surface of the motor (4), the output shaft of the motor (4) is connected with the left side surface of the inner wall of the mixing box (1) through a water closing bearing in a clamping manner, the output shaft of the motor (4) is fixedly connected with the left end of a rotating shaft (5), the right end of the rotating shaft (5) is fixedly connected with the input shaft of a water pump (6), the left side surface of the water pump (6) is fixedly connected with the right side surface of the mixing box (1), the water outlet of the water pump (6) is fixedly connected with a first joint (31) through an atomizing nozzle (7), the back of the atomizing nozzle (7) is communicated with the front end of a butt joint pipe (33), and the back end of the butt joint pipe (33) is connected with the right side surface of a second joint (32) in a clamping manner, the left side surface of the second connector (32) is communicated with an air outlet of the air bottle (3) through a second valve (30), the right end of the atomizing spray head (7) is provided with a first valve (29), the right side surface of the first valve (29) is communicated with one end of the water guide pipe (8) through a first connector (31), the surface of the water guide pipe (8) is clamped on the upper surface of the heat resistance wire (11) through a heat insulation sleeve (9), the surface of the heat resistance wire (11) is fixedly connected with the inner wall of the cover plate (12), the lower surface of the cover plate (12) is lapped with the upper surface of the box body (13), the front surface of the box body (13) is fixedly connected with the back surface of the infrared camera (14), the output end of the infrared camera (14) is electrically connected with the input end of the infrared imager (16) through a cable (15), the lower surface of the inner wall of the box body (13) is provided with a plurality of supporting blocks (20), the positioning blocks arranged on the upper surface of the supporting block (20) are matched and fixed with corresponding positioning holes formed in the lower surface of the supporting plate (19), the upper surface of the supporting plate (19) is fixedly connected with the lower surface of the steel plate (18), combustible materials (22) are arranged on the upper surface of the steel plate (18), and a plurality of stirring pieces (26) are fixedly connected to the surface of the rotating shaft (5).

2. The fire extinguishing experiment device integrated with a stopping agent as claimed in claim 1, wherein: the other end of aqueduct (8) is communicated with the upper surface of horn cover (10), the lower surface of cover plate (12) is fixedly connected with the upper surface of clamping strip (25), and the surface of clamping strip (25) is clamped on the upper surface of box body (13).

3. The fire extinguishing experiment device integrated with a stopping agent as claimed in claim 1, wherein: the front of box (13) is provided with window (17), window (17) specifically are the glass material, the last skin weld of steel sheet (18) has two handles.

4. The fire extinguishing experiment device integrated with a stopping agent as claimed in claim 1, wherein: the upper surface of steel sheet (18) and the lower surface welding of guard ring (21), combustible substance (22) are located guard ring (21), the right flank joint of box (13) inner wall has blow off pipe (23).

5. The fire extinguishing experiment device integrated with a stopping agent as claimed in claim 1, wherein: the surface of guard ring (21) is provided with a plurality of through-hole, the front of mixing box (1) is provided with the scale.

6. The fire extinguishing experiment device integrated with a stopping agent as claimed in claim 1, wherein: the right flank of box (13) inner wall is provided with exhaust fan (24), the surface of exhaust fan (24) is provided with the protection network.

7. The fire extinguishing experiment device integrated with a stopping agent as claimed in claim 1, wherein: the upper surface of mixing box (1) is linked together with the bottom that adds mouth (27), the top that adds mouth (27) is provided with the screw cap, the upper surface of mixing box (1) is provided with blow off pipe (23).

8. A method for using a fire extinguishing experimental device with an integrated stopping agent is characterized by comprising the following steps:

s1, when the gas atomizing device is used by workers, firstly, the cover plate (12) is opened, then when the cover plate (12) is opened, the combustible (22) is placed in the protective ring (21) above the steel plate (18), then the combustible (22) is ignited, then the exhaust fan (24) is started, the cover plate (12) is closed, and then the gas cylinder (3) is placed on the inner wall of the support (2) and is communicated with the atomizing nozzle (7) through the second connector (32) and the butt joint pipe (33);

s2, keeping the second valve (30) in a closed state, filling a proper amount of clean water into the mixing box (1) through the water inlet pipe (28), adding a proper amount of inhibitor into the mixing box through the adding port (27) in a matching manner to start the motor (4), and driving the rotating shaft (5) to rotate when the motor (4) is started;

s3, driving a plurality of stirring pieces (26) on the surface to stir the clean water and the stopping agent in the process of rotating the rotating shaft (5), pumping the mixture into the water pump (6) through the water inlet of the water pump (6) after mixing, pressurizing the mixture and injecting the mixture into the atomizing nozzle (7);

s4, opening the first valve (29) and the second valve (30) simultaneously to enable carbon dioxide in the gas cylinder (3) to synchronously enter the atomizing nozzle (7) through the butt joint pipe (33), under the expansion action of the carbon dioxide, carrying atomized mixed liquid to enter the box body (13) through the water guide pipe (8), spraying immediately, simultaneously, extracting heat in the mixing box (1) by the exhaust fan (24) on the surface of the box body (13), and absorbing the heat in the vertical direction of flame of the combustible (22) by the heat resistance wire (11);

s5, when the combustible (22) is sprayed by a mixture of carbon dioxide, water and a stopping agent, the flame state changes, the synchronous infrared camera (14) shoots the flame in real time, the shot content is transmitted to the infrared imager (16) to form thermodynamic diagrams with different brightness degrees, and the change conditions of the flame brightness areas are recorded according to time until the flame is extinguished;

s6, when the mixing box (1) is emptied, the combustible (22) is placed again, the first valve (29) and the second valve (30) are opened under the condition that the motor (4) is kept closed, so that the gas in the gas cylinder (3) directly enters the box body (13) through the water guide pipe (8), and then the infrared camera (14) and the infrared imager (16) record the single inactivation effect of the carbon dioxide;

s7, immediately closing the second valve (30), repeatedly updating and igniting the combustible (22) after injecting a proper amount of clear water into the mixing box (1) through the water inlet pipe (28), immediately starting the motor (4), atomizing water by the water pump (6) in cooperation with the atomizing nozzle (7), extinguishing the water source, and immediately recording flame by the infrared imager (16) in cooperation until the flame is extinguished;

s8, after clear water is emptied in the mixing box (1), the clear water is repeatedly tested by injecting a proper amount of stopping agent, and finally the fire extinguishing effect of mixing carbon dioxide, water and the stopping agent is compared with a single fire extinguishing effect, when the combustible (22) needs to be replaced, the steel plate (18) can be taken out by holding a handle, and meanwhile, the sewage sprayed in the process is discharged through the sewage discharge pipe (23).

Technical Field

The invention belongs to the technical field of fire simulation, and particularly relates to a fire extinguishing experimental device with an integrated stopping agent and a using method thereof.

Background

In order to reduce the loss caused by fire to the maximum extent, people develop various fire extinguishing materials, which mainly comprise carbon dioxide, water mist, stopping agents, foam, nitrogen, carbon tetrachloride, alkyl halides and the like, wherein the alkyl halides are basically not used due to the damage effect on the ozone layer, and the performances of other fire extinguishing materials are still required to be improved. In addition, the fire extinguishing effect evaluation index system of the fire extinguishing material needs to be further improved. The water, the carbon dioxide and the stopping agent are conventional fire extinguishing materials, and the fire extinguishing mechanisms of the water, the carbon dioxide and the stopping agent are not completely the same; the three are integrated together, so that the fire extinguishing agent has comprehensive effects, exerts respective advantages and improves the fire extinguishing effect, and is a new attempt; in addition, no relevant research results are seen in published documents, so that the integrated fire extinguishing experimental device based on carbon dioxide, ultrafine water mist and a stopping agent is explored, and the evaluation index of the fire extinguishing effect is searched by utilizing the experimental device, which is particularly urgent.

Disclosure of Invention

Technical problem to be solved

In order to overcome the defects in the prior art, the invention provides a fire extinguishing experimental device with an integrated stopping agent and a using method thereof, which solve the problems that water, carbon dioxide and the stopping agent are conventional fire extinguishing materials and the fire extinguishing mechanisms of the water, the carbon dioxide and the stopping agent are not completely the same; the three are integrated together, so that the fire extinguishing agent has comprehensive effects, exerts respective advantages and improves the fire extinguishing effect, and is a new attempt; in addition, no relevant research results are seen in published documents, so that an integrated fire extinguishing experimental device based on carbon dioxide, superfine water mist and a stopping agent is explored, and the problem of fire extinguishing effect evaluation indexes is explored by using the experimental device.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a fire extinguishing experiment device integrated with a retardant and a using method thereof comprise a mixing box, wherein the back of the mixing box is fixedly connected with the front of a support, a gas cylinder is clamped on the inner wall of the support, the left side of the mixing box is fixedly connected with the right side of a motor, the output shaft of the motor is clamped on the left side of the inner wall of the mixing box through a water closing bearing, the output shaft of the motor is fixedly connected with the left end of a rotating shaft, the right end of the rotating shaft is fixedly connected with the input shaft of a water pump, the left side of the water pump is fixedly connected with the right side of the mixing box, the water outlet of the water pump is fixedly connected with a first connector through an atomization nozzle, the back of the atomization nozzle is communicated with the front end of a butt joint pipe, one end of the back of the butt joint pipe is clamped with the right side of a second connector, and the left side of the second connector is communicated with the gas outlet of the gas cylinder through a second valve, the right end of the atomizing nozzle is provided with a first valve, the right side surface of the first valve is communicated with one end of the water guide pipe through a first joint, the surface of the water guide pipe is clamped on the upper surface of the heat resisting wire through the heat insulating sleeve, the surface of the heat resisting wire is fixedly connected with the inner wall of the cover plate, the lower surface of the cover plate is lapped with the upper surface of the box body, the front surface of the box body is fixedly connected with the back surface of the infrared camera, the output end of the infrared camera is electrically connected with the input end of the infrared imager through a cable, the lower surface of the inner wall of the box body is provided with a plurality of supporting blocks, the positioning block arranged on the upper surface of the supporting block is matched and fixed with the corresponding positioning hole arranged on the lower surface of the supporting plate, the upper surface of backup pad and the lower fixed surface of steel sheet are connected, the upper surface of steel sheet is provided with the combustible substance, the fixed surface of pivot is connected with a plurality of stirring piece.

As a further scheme of the invention: the other end of the aqueduct is communicated with the upper surface of the horn cover, the lower surface of the cover plate is fixedly connected with the upper surface of the clamping strip, and the surface of the clamping strip is clamped on the upper surface of the box body.

As a further scheme of the invention: the front of box is provided with the window, the window specifically is the glass material, the last surface welding of steel sheet has two handles.

As a further scheme of the invention: the upper surface of steel sheet and the lower surface welding of guard ring, the combustible substance is located the guard ring, the right flank joint of box inner wall has the blow off pipe.

As a further scheme of the invention: the surface of guard ring is provided with a plurality of through-hole, the front of mixing box is provided with the scale.

As a further scheme of the invention: the right flank of box inner wall is provided with the exhaust fan, the surface of exhaust fan is provided with the protection network.

As a further scheme of the invention: the upper surface of mixing box is linked together with the bottom that adds the mouth, the top that adds the mouth is provided with the screw thread lid, the upper surface of mixing box is provided with the blow off pipe.

A method for using a fire extinguishing experimental device with an integrated stopping agent comprises the following steps:

s1, when the cover plate is opened, the combustible is placed in the protective ring above the steel plate when the cover plate is opened, the exhaust fan is started after the combustible is ignited, the cover plate is closed, and then the gas cylinder is placed on the inner wall of the support and is communicated with the atomizing nozzle through the second joint and the butt joint pipe.

S2, keeping the second valve in a closed state, filling a proper amount of clear water into the mixing box through the water inlet pipe, adding a proper amount of stopping agent into the mixing box through the adding port in a matching manner to start the motor, and driving the rotating shaft to rotate when the motor is started;

s3, driving a plurality of stirring pieces on the surface to stir the clean water and the stopping agent in the process of rotating the rotating shaft, pumping the mixture into the water pump through the water inlet of the water pump after mixing, pressurizing the mixture and injecting the mixture into the atomizing nozzle.

S4, opening the first valve and the second valve simultaneously, enabling carbon dioxide in the gas cylinder to synchronously enter the atomizing nozzle through the butt joint pipe, under the expansion action of the carbon dioxide, carrying atomized mixed liquid to enter the box body through the water guide pipe, and spraying immediately, simultaneously, the exhaust fan on the surface of the box body extracts heat in the mixing box, and the heat in the vertical direction of flame of combustible is absorbed by the heat-resistant wire.

And S5, when the combustible is sprayed by the mixture of carbon dioxide, water and a stopping agent, the flame state changes, the synchronous infrared camera shoots and records the flame in real time, the shot content is transmitted to the infrared imager to form thermodynamic diagrams with different brightness degrees, and the change conditions of the flame bright and white areas are recorded according to time until the flame is extinguished.

And S6, when the mixing box is emptied, the combustible is placed again, the first valve and the second valve are opened under the condition that the motor is kept closed, so that the gas in the gas cylinder directly enters the box body through the water guide pipe, and then the infrared camera and the infrared imager record the single inactivation effect of the carbon dioxide.

S7, immediately closing the second valve, injecting a proper amount of clean water into the mixing box through the water inlet pipe, repeatedly updating and igniting the combustible substances, immediately starting the motor, extinguishing the water source after the water is atomized by the water pump matched with the atomizing nozzle, and immediately recording the flame by the infrared imager in a matched manner until the flame is extinguished.

S8, clear water evacuation back in the mixing box, through pour into the right amount hinder the agent retest can, at last with carbon dioxide, water and hinder the fire suppression effect that the agent mixes with single fire suppression effect contrast can, when needs are changed the combustible substance, can take out the steel sheet through holding the handle, the sewage that sprays the in-process simultaneously passes through the blow off pipe and discharges.

(III) advantageous effects

Compared with the prior art, the invention has the beneficial effects that:

1. the fire extinguishing experimental device with the integrated stopping agent and the using method thereof are characterized in that a mixing box, a box body, a cable, an infrared camera, an infrared imager, a water pump, a gas cylinder and a cover plate are arranged, when a combustible material is sprayed by a mixture of carbon dioxide, water and the stopping agent, the flame state of the combustible material changes, the synchronous infrared camera shoots and records the flame in real time, the shot content is transmitted to the infrared imager to form thermodynamic diagrams with different brightness degrees, the change conditions of the brightness areas of the flame are respectively recorded according to time until the flame is extinguished, the combustible material is placed again after the mixing box is emptied, a first valve and a second valve are opened under the condition that a motor is kept closed, so that the gas in the gas cylinder directly enters the box body through a water guide pipe, and then the infrared camera and the infrared imager record the single carbon dioxide inactivation effect, the second valve is closed immediately, after a proper amount of clean water is injected into the mixing box through the water inlet pipe, the combustible substances are repeatedly updated and ignited, the motor is immediately started, the water pump is matched with the atomizing spray head to atomize water and extinguish the water, the flame is recorded by the infrared imager in a matched mode until the flame is extinguished, after the clean water in the mixing box is emptied, a proper amount of stopping agent is injected to conduct repeated testing, the mode can use the area of a bright white area in a flame state diagram collected by the infrared imager as an evaluation index of the vigorous combustion degree of the flame, and can conduct corresponding evaluation for selecting corresponding fire extinguishing effects of fire extinguishing technologies in different modes to conduct visual display so as to achieve the detection of the spraying effect of the mixture of carbon dioxide, water and the stopping agent.

2. The fire extinguishing experimental device with the integrated stopping agent and the using method thereof are characterized in that a mixing box, a support, a gas cylinder, a rotating shaft, a motor, a water pump, a water guide pipe and a box body are arranged, when a worker uses the fire extinguishing experimental device, firstly, a cover plate is opened, then, a combustible is placed in a protective ring above a steel plate when the cover plate is opened, then, an exhaust fan is started after the combustible is ignited, the cover plate is closed, then, the gas cylinder is placed on the inner wall of the support and is communicated with an atomizing nozzle through a second connector and a butt joint pipe, at the moment, a second valve is kept in a closed state, a proper amount of clean water is filled into the mixing box through a water inlet pipe, meanwhile, a proper amount of stopping agent is added into the mixing box through an adding port to start the motor, the rotating shaft is driven to rotate when the motor is started, then, a plurality of stirring pieces on the surface are driven to stir the clean water and the stopping agent in the rotating process of rotating shaft, after mixing, the mixture is pumped into the water pump through the water inlet of the water pump, and is pressurized and then injected into the atomizing nozzle, the first valve and the second valve are opened at the same time, so that the carbon dioxide in the gas cylinder synchronously enters the atomizing nozzle through the butt joint pipe, under the expansion action of the carbon dioxide, the atomized mixed liquid enters the box body through the water guide pipe and is sprayed out immediately, meanwhile, the exhaust fan on the surface of the box body extracts the heat in the mixing box, the heat in the vertical direction of the flame of the combustible is absorbed by the heat resisting wire, when the combustible is sprayed by the mixture of the carbon dioxide, the water and the stopping agent until the flame is extinguished, the mixture of the water and the stopping agent can be sprayed out in the form of fine particles by utilizing the atomizing nozzle, the high-pressure carbon dioxide airflow is mixed with the mixture, and the mixture is carried to a fire extinguishing place, so that the expansibility of the high-pressure carbon dioxide is fully exerted, the long-distance conveying of the water and stopping agent fine mist mixture is realized, the fire extinguishing jet range of the water and stopping agent fine mist mixture is enlarged, the long-distance conveying of the atomized water and stopping agent mixture is realized, the advantages of the water, the stopping agent and the carbon dioxide can be fully exerted, the comprehensive fire extinguishing is realized, and the fire extinguishing effect is improved.

3. This inhibitor integrated form experimental apparatus that puts out a fire and application method thereof, through setting up the resistance heat silk, a cover plate, loudspeaker cover and protective ring, when using, the heat absorption of resistance heat silk through keeping the top, and can keep rapid radiating effect, can keep the good cooling of the temperature of long-time detection, through setting up loudspeaker cover, loudspeaker cover can promote the scope and the effect of spraying, through setting up the protective ring, the protective ring can keep combustible substance in the position of regulation, a plurality of through-hole that the protective ring surface set up can prevent the condition of ponding to appear simultaneously, cooperation handle and steel sheet, can change to combustible substance and become more convenient and fast.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional view of a mixing box according to the present invention;

FIG. 3 is a three-dimensional structural diagram of the case of the present invention;

FIG. 4 is a schematic cross-sectional view of the cover plate of the present invention;

FIG. 5 is a schematic cross-sectional view of a front view of a support plate according to the present invention;

FIG. 6 is a schematic three-dimensional structure of the atomizer of the present invention;

in the figure: the device comprises a mixing box 1, a support 2, a gas cylinder 3, a motor 4, a rotating shaft 5, a water pump 6, an atomizing nozzle 7, a water guide pipe 8, a heat insulation sleeve 9, a horn cover 10, a heat resistance wire 11, a cover plate 12, a box body 13, an infrared camera 14, a cable 15, an infrared imager 16, a window 17, a steel plate 18, a support plate 19, a support block 20, a protective ring 21, a combustible material 22, a sewage discharge pipe 23, an exhaust fan 24, a clamping strip 25, a stirring piece 26, an adding port 27, a water inlet pipe 28, a first valve 29, a second valve 30, a first joint 31, a second joint 32 and a butt joint pipe 33.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 6, the present invention provides a technical solution: a fire extinguishing experimental device integrated with a stopping agent and a using method thereof comprise a mixing box 1, the back of the mixing box 1 is fixedly connected with the front of a support 2, the inner wall of the support 2 is clamped with a gas cylinder 3, the left side of the mixing box 1 is fixedly connected with the right side of a motor 4, the output shaft of the motor 4 is clamped on the left side of the inner wall of the mixing box 1 through a water closing bearing, the output shaft of the motor 4 is fixedly connected with the left end of a rotating shaft 5, the right end of the rotating shaft 5 is fixedly connected with the input shaft of a water pump 6, the left side of the water pump 6 is fixedly connected with the right side of the mixing box 1, the water outlet of the water pump 6 is fixedly connected with a first connector 31 through an atomizing nozzle 7, the back of the atomizing nozzle 7 is communicated with one end of the front of a butt joint pipe 33, one end of the back of the butt joint pipe 33 is clamped with the right side of a second connector 32, the left side of the second connector 32 is communicated with the gas outlet of the gas cylinder 3 through a second valve 30, the right end of the atomizing nozzle 7 is provided with a first valve 29, the right side surface of the first valve 29 is communicated with one end of the water conduit 8 through a first joint 31, the surface of the water conduit 8 is clamped on the upper surface of the heat-resistant wire 11 through a heat insulation sleeve 9, the surface of the heat-resistant wire 11 is fixedly connected with the inner wall of the cover plate 12, the lower surface of the cover plate 12 is lapped with the upper surface of the box body 13, the front surface of the box body 13 is fixedly connected with the back surface of the infrared camera 14, the output end of the infrared camera 14 is electrically connected with the input end of the infrared imager 16 through a cable 15, the lower surface of the inner wall of the box body 13 is provided with a plurality of supporting blocks 20, the positioning blocks arranged on the upper surface of the supporting blocks 20 are matched and fixed with the corresponding positioning holes arranged on the lower surface of the supporting plate 19, the upper surface of the supporting plate 19 is fixedly connected with the lower surface of the steel plate 18, the upper surface of the steel plate 18 is provided with combustible 22, the surface of the rotating shaft 5 is fixedly connected with a plurality of stirring pieces 26.

Specifically, as shown in fig. 1, 2 and 3, a window 17 is disposed on the front surface of the box 13, the window 17 is made of glass, two handles are welded on the upper surface of the steel plate 18, the upper surface of the steel plate 18 is welded to the lower surface of the protection ring 21, the combustible 22 is located in the protection ring 21, a sewage pipe 23 is clamped on the right side surface of the inner wall of the box 13, an exhaust fan 24 is disposed on the right side surface of the inner wall of the box 13, a protection net is disposed on the surface of the exhaust fan 24, the upper surface of the mixing box 1 is communicated with the bottom end of the adding port 27, a threaded cap is disposed at the top end of the adding port 27, the sewage pipe 23 is disposed on the upper surface of the mixing box 1, by disposing the window 17, the window 17 can maintain good observation and detection effects on the inside when in use, by disposing the handles, the steel plate 18 inside can be conveniently taken out, by disposing the protection ring 21, the guard ring 21 can keep spacing suitable position to protect combustible 22, and through setting up exhaust fan 24, exhaust fan 24 can conveniently take the inside flue gas of box 13 out when using, does not have too much interference in the guarantee testing process, and through setting up blow off pipe 23, blow off pipe 23 can keep discharging the sewage of inside when using.

Specifically, as shown in fig. 4, 5 and 6, the other end of aqueduct 8 is linked together with the upper surface of loudspeaker cover 10, the lower surface of apron 12 is connected with the last fixed surface of card strip 25, the surface joint of card strip 25 is at the upper surface of box 13, the surface of guard ring 21 is provided with a plurality of through-hole, the front of mixing box 1 is provided with the scale, through setting up loudspeaker cover 10, loudspeaker cover 10 can keep the even width of miscella scattered, guarantee good spraying effect, through setting up the through-hole, the through-hole can prevent the inside condition that ponding appears of guard ring 21, through setting up the scale, the scale can conveniently observe mixing box 1 inside.

A method for using a fire extinguishing experimental device with an integrated stopping agent comprises the following steps:

s1, when the gas atomizing nozzle is used by a worker, firstly opening the cover plate 12, then placing the combustible 22 in the protective ring 21 above the steel plate 18 when the cover plate 12 is opened, then igniting the combustible 22, then starting the exhaust fan 24, and closing the cover plate 12, and then placing the gas cylinder 3 in the inner wall of the support 2 to be communicated with the atomizing nozzle 7 through the second connector 32 and the butt joint pipe 33;

s2, keeping the second valve 30 in a closed state, filling a proper amount of clean water into the mixing box 1 through the water inlet pipe 28, adding a proper amount of inhibitor into the mixing box through the adding port 27 to start the motor 4, and driving the rotating shaft 5 to rotate when the motor 4 is started;

s3, driving a plurality of stirring pieces 26 on the surface to stir the clear water and the inhibitor in the process of rotating the rotating shaft 5, pumping the clear water and the inhibitor into the water pump 6 through the water inlet of the water pump 6 after mixing, pressurizing the clear water and the inhibitor, and injecting the clear water and the inhibitor into the atomizing nozzle 7;

s4, opening the first valve 29 and the second valve 30 simultaneously to enable carbon dioxide in the gas cylinder 3 to synchronously enter the atomizing nozzle 7 through the butt joint pipe 33, under the expansion action of the carbon dioxide, carrying atomized mixed liquid to enter the box body 13 through the water guide pipe 8, and spraying immediately, meanwhile, the exhaust fan 24 on the surface of the box body 13 extracts heat in the mixing box 1, and the heat in the vertical direction of flame of the combustible 22 is absorbed by the heat-resistant wire 11;

s5, when the combustible 22 is sprayed by the mixture of carbon dioxide, water and stopping agent, the flame state changes, the synchronous infrared camera 14 shoots the flame in real time, the shot content is transmitted to the infrared imager 16 to form thermodynamic diagrams with different brightness degrees, and the change conditions of the flame bright and white areas are recorded according to time until the flame is extinguished;

s6, when the mixing box 1 is emptied, the combustible 22 is placed again, the first valve 29 and the second valve 30 are opened under the state that the motor 4 is kept closed, so that the gas in the gas cylinder 3 directly enters the box body 13 through the water guide pipe 8, and then the infrared camera 14 and the infrared imager 16 record the single deactivation effect of the carbon dioxide;

s7, immediately closing the second valve 30, repeatedly updating and igniting the combustible 22 after injecting a proper amount of clear water into the mixing box 1 through the water inlet pipe 28, immediately starting the motor 4, atomizing the water by the water pump 6 in cooperation with the atomizing nozzle 7, extinguishing the water source, and immediately recording the flame in cooperation with the infrared imager 16 until the flame is extinguished;

s8, after clear water is emptied in the mixing box 1, the clear water is repeatedly tested by injecting a proper amount of stopping agent, and finally the fire extinguishing effect of mixing carbon dioxide, water and the stopping agent is compared with a single fire extinguishing effect, so that when the combustible 22 needs to be replaced, the steel plate 18 can be taken out by holding a handle, and meanwhile, the sewage sprayed in the process is discharged through the sewage discharge pipe 23.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.