Portable fire-fighting foam generating device

Abstract

The invention relates to the technical field of fire fighting, and provides a portable fire-fighting foam generating device which comprises a stirring barrel, a supporting plate, a storage barrel, an air pump, a stirring device and an output pump, the outer wall of the stirring barrel is fixedly connected with a supporting frame, and the bottom end of the supporting frame is fixedly connected to the upper wall of the supporting plate; the storage barrel is fixedly connected to the top end of the stirring barrel, the stirring device is rotatably connected to the interior of the stirring barrel, the top end of the stirring barrel is fixedly connected with a motor, and the output end of the motor is fixedly connected to one end of the stirring device. Through the arrangement of a plurality of stirring discs with different shapes, a concentrated solution and water are mixed more fully during stirring, the arrow blade turbine stirring discs can generate microbubbles during movement through the shape characteristics of the arrow blade turbine stirring discs, the mixed solution fully generates foams, and through the arrangement of an air pump, air can be injected into the mixed solution through an air conveying pipe, so that the stirring effect is improved. When bubbles are beaten, sufficient air is combined with the mixed liquid, the generated bubbles are more sufficient, and the bubbles are beaten more sufficiently.

Description

Technical Field

[0001] The invention belongs to the technical field of fire fighting, and in particular relates to a portable fire fighting foam generating device. Background Art

[0002] Firefighting foam is a highly effective fire extinguishing agent. It reduces the surface tension of water through surfactants, foam stabilizers and other ingredients. After mixing with water, it forms stable foam, which covers the surface of the burning object to isolate oxygen, absorb heat and inhibit the combustion reaction. It is classified into low, medium and high multiple foams according to the foaming multiple, which are suitable for liquid fires, general solid fires and closed space fires respectively. Firefighting foam is widely used to extinguish Class A (such as wood, paper) and Class B (such as oil, chemicals) fires. When using it, it is necessary to select the appropriate foam according to the type of fire source, and pay attention to storage conditions (antifreeze, light avoidance) and operating specifications (such as cutting off the power supply and avoiding chemical reactions) to ensure the fire extinguishing effect and safety.

[0003] The authorized patent with the known application number: 202320127760.3 discloses a fire foam stirring device: comprising a base, a stirring tank is arranged on the base, a stirring mechanism is arranged inside the stirring tank, a feed port is arranged at the top of the stirring tank, a discharge mechanism is arranged at the bottom of the stirring tank, the discharge mechanism is connected to the transport pump through connecting pipe 1, and the transport pump is connected to the top of the stirring tank through connecting pipe 2; the stirring mechanism comprises a stirring rod, the top of the stirring rod is connected to the transmission element, the bottom of the stirring rod is connected to the bottom of the stirring tank, a plurality of cross bars are evenly and staggeredly arranged on the stirring rod, a plurality of auxiliary bars are arranged on the inner wall of the stirring tank, and the cross bars are arranged between adjacent auxiliary bars. The fire foam stirring device of the present invention adopts the above-mentioned structure, which can solve the problem of poor stirring effect of the existing fire foam stirring device.

[0004] However, in the implementation of related technologies, it was found that the above technical solution has the following problems: when the device is in use, a stick stirrer is used, and the mixing efficiency is low during stirring, the foam generation rate is insufficient, and there is no inflation device, so it is difficult to quickly generate more foam, resulting in insufficient foam generation.

[0005] Therefore, a portable fire fighting foam generating device is proposed to solve the above problems. Summary of the invention

[0006] The present invention proposes a portable fire-fighting foam generating device, which solves the problem that the device in the related art adopts a stick-type stirrer when in use, has low mixing efficiency during stirring, and the foam generating rate is insufficient, and there is no inflation device, which makes it difficult to quickly generate more foam, resulting in insufficient foam generation.

[0007] The technical solution of the present invention is as follows: a portable fire-fighting foam generating device, comprising: a stirring barrel, a support plate, a storage barrel, an air pump, a stirring device and an output pump, wherein the outer wall of the stirring barrel is fixedly connected to a support frame, and the bottom end of the support frame is fixedly connected to the upper wall of the support plate;

[0008] The storage barrel is fixedly connected to the top of the mixing barrel, the mixing device is rotatably connected to the inside of the mixing barrel, a motor is fixedly connected to the top of the mixing barrel, and the output end of the motor is fixedly connected to one end of the mixing device.

[0009] Preferably, the stirring device includes a connecting shaft, which is rotatably connected to the inner wall of the stirring barrel, the outer wall of the connecting shaft is fixedly connected to a first turbine stirring disk, the outer wall of the connecting shaft is fixedly connected to a second turbine stirring disk, the first turbine stirring disk is located above the second turbine stirring disk, the bottom end of the connecting shaft is fixedly connected to an arrow-blade turbine stirring disk, the outer wall of the connecting shaft is fixedly connected to a cleaning frame, the end of the cleaning frame is fixedly connected to a scraper bar, and the scraper bar is in close contact with the inner wall of the stirring barrel.

[0010] Preferably, the output end of the air pump is fixedly connected to a connecting pipe, the connecting pipe passes through the connecting pipe, the end of the connecting pipe is fixedly connected to an air supply pipe, the outer wall of the air supply pipe is fixedly connected to the inside of the mixing barrel, and the output end of the air supply pipe is fixedly connected to the inner bottom of the mixing barrel.

[0011] Preferably, the storage barrel is connected to the mixing barrel, a connecting valve is provided inside the storage barrel, an input port is provided on the top wall of the mixing barrel, and a sealing valve is provided inside the input port.

[0012] Preferably, an output pipe is fixedly connected to the output end of the mixing barrel, a solenoid valve is arranged inside the output pipe, an output pump is fixedly connected to the upper surface of the support plate, and an input end of the output pump is connected to the output pipe.

[0013] Preferably, a plurality of universal wheels are provided at the bottom end of the support plate.

[0014] Preferably, the storage barrel includes a barrel body, a sealing cover is threadedly connected to the top of the barrel body, a connecting column is inserted into the inner wall of the sealing cover, the end of the connecting column is fixedly connected to the extrusion bottom, the outer wall of the barrel body is fixedly connected to a support arm, the upper surface of the support arm is fixedly connected to a through-type linear motor, the top of the connecting column is fixedly connected to a pressure rod, and the output shaft of the through-type linear motor is rotatably connected to the inner wall of the pressure rod.

[0015] Preferably, the output end of the output pump is fixedly connected to a nozzle, the top of the support plate is fixedly connected to a water hose reel, the nozzle is wound around the outer wall of the water hose reel, and the output end of the output pump is fixedly connected to the input end of the water hose reel.

[0016] Preferably, the mixing barrel is a double-layer structure, the mixing barrel comprises a protective layer, the inner wall of the protective layer is fixedly connected with a wear-resistant layer, and the upper surface of the support plate is provided with a protective box, and the protective box covers the mixing barrel.

[0017] Preferably, the output end of the nozzle is fixedly connected to a nozzle, and the outer wall of the nozzle is fixedly connected to a solenoid valve control button.

[0018] The working principle and beneficial effects of the present invention are:

[0019] 1. Through the setting of multiple stirring plates of different shapes, the concentrate and water are mixed more fully during stirring, and the arrow-blade turbine stirring plate can generate microbubbles during movement due to its own shape characteristics, so that the mixed liquid can be fully foamed. Through the setting of the air pump, air can be injected into the interior of the mixed liquid through the air pipe, so that when the bubbles are beaten, there is sufficient air to combine with the mixed liquid, the bubbles generated are more sufficient, and the bubbles are beaten more fully.

[0020] 2. Through the setting of the storage tank, after the through-type linear motor is started, it can quickly drive the extrusion bottom to move downward, and quickly input the concentrated liquid inside the storage barrel into the mixing barrel, which reduces the start-up time of the device. The setting of the extrusion bottom reduces the residual concentrated liquid in the storage barrel, avoiding excessive residue and causing insufficient ratio accuracy.

[0021] 3. Through the setting of the hose reel, the nozzle can be quickly pulled out, so that when the device is in use, it is not necessary to bring the device close to the fire point. The hose reel reduces the storage area of ​​the nozzle, making the overall volume of the device smaller, and the longer nozzle increases the fire extinguishing range of the device. When performing fire extinguishing operations at high places or narrow places, there are fewer obstacles to collecting the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0024] Figure 2 It is a schematic diagram of the three-dimensional structure of the mixing barrel of the present invention;

[0025] Figure 3 It is a three-dimensional structural schematic diagram of the output pump of the present invention;

[0026] Figure 4It is a schematic diagram of the cross-sectional three-dimensional structure of the mixing barrel of the present invention;

[0027] Figure 5 It is a schematic diagram of the three-dimensional structure of the mixing barrel of the present invention from a side view;

[0028] Figure 6 It is a schematic diagram of the cross-sectional three-dimensional structure of the storage barrel of the present invention;

[0029] Figure 7 It is a schematic diagram of the cross-sectional three-dimensional structure of the wear-resistant layer of the mixing barrel of the present invention;

[0030] Figure 8 It is a rear-view stereoscopic structural schematic diagram of the present invention.

[0031] In the figure: 1. mixing barrel; 101. protective layer; 102. wear-resistant layer; 2. support frame; 3. support plate; 4. storage barrel; 401. barrel body; 402. extrusion bottom; 403. support arm; 404. through-type linear motor; 405. sealing cover; 406. connecting column; 407. pressure rod; 5. motor; 6. air pump; 7. input port; 8. stirring device; 801. first turbine propeller stirring disk; 802. connecting shaft; 803. second turbine propeller stirring disk; 804. arrow blade turbine stirring disk; 805. cleaning frame; 806. scraper; 9. gas pipeline; 10. connecting valve; 11. connecting pipe; 12. sealing valve; 13. solenoid valve; 14. output pipe; 15. output pump; 16. nozzle; 17. nozzle; 18. solenoid valve control button; 19. universal wheel; 20. water hose reel; 21. protective box. DETAILED DESCRIPTION

[0032] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] Implementation

[0034] See also Figure 1 -8, a portable fire-fighting foam generating device, comprising: a mixing barrel 1, a support plate 3, a storage barrel 4, an air pump 6, a mixing device 8 and an output pump 15, the outer wall of the mixing barrel 1 is fixedly connected with a support frame 2, and the bottom end of the support frame 2 is fixedly connected to the upper wall of the support plate 3;

[0035] The storage barrel 4 is fixedly connected to the top of the mixing barrel 1 , the stirring device 8 is rotatably connected to the inside of the mixing barrel 1 , the top of the mixing barrel 1 is fixedly connected to a motor 5 , and the output end of the motor 5 is fixedly connected to one end of the stirring device 8 .

[0036] The technical solution provided by this embodiment is as follows: before use, water is first input into the mixing barrel 2 through the input port 7. After the input is completed, the sealing valve 12 is closed in time to prevent debris from falling into the barrel, and a sufficient amount of concentrated liquid is stored in the storage barrel 4. When injecting, the ratio of different mixed liquids to water should be clearly defined to avoid waste and insufficient foaming due to less mixed liquid. The device is usually stored in a conspicuous specific area. In the event of a sudden fire, the connecting valve 10 is immediately opened, and the through-type linear motor 404 is started, so that the compression bottom 402 can output the concentrated liquid more completely and quickly to the inside of the mixing barrel 1, so that the concentrated liquid is mixed with water. Then, the motor 5 and the air pump 6 are quickly turned on. The start of the motor 5 drives the stirring device 8 to rotate at a high speed, and the three stirring plates mix the concentrated liquid and the water components. Mix, and the air pump 6 can inject air into the mixed liquid, and cooperate with the stirring disk to increase the efficiency of foaming. Through the above movement, the concentrate and water can be quickly mixed and foamed. After turning on the motor 5, the connecting valve 10 and the air pump 6, the device should be pushed immediately. The universal wheel 19 can enable the device to be quickly moved and deployed. After pushing it into the fire extinguishing point, hold the nozzle 17, and pull out the nozzle wrapped on the water hose reel 20, and aim at the root of the flame, then press the solenoid valve control button 18, open the solenoid valve 13, and then start the output pump 15. The output pump 15 outputs the foam to achieve the fire extinguishing effect. When the device needs to be cleaned, start the motor 5, and the motor 5 may drive the scraper 6 to rotate on the inner wall of the mixing barrel 1 to scrape off the residual mixed liquid on the inner wall of the mixing barrel 1.

[0037] Furthermore, the stirring device 8 includes a connecting shaft 802, which is rotatably connected to the inner wall of the stirring barrel 1, and the outer wall of the connecting shaft 802 is fixedly connected to the first turbine stirring disk 801, and the outer wall of the connecting shaft 802 is fixedly connected to the second turbine stirring disk 803, the first turbine stirring disk 801 is located above the second turbine stirring disk 803, and the bottom end of the connecting shaft 802 is fixedly connected to the arrow-blade turbine stirring disk 804, and the outer wall of the connecting shaft 802 is fixedly connected to the cleaning frame 805, and the end of the cleaning frame 805 is fixedly connected to the scraper bar 806, and the scraper bar 806 is in close contact with the inner wall of the stirring barrel 1.

[0038] Specifically, through the arrangement of multiple stirring plates, when the concentrated liquid is mixed with water, the mixed liquid and water can be mixed quickly and fully, and foaming can be performed fully, and the scraper 806 can scrape the liquid attached to the barrel wall and move it to the position in the barrel when working.

[0039] Furthermore, the output end of the air pump 6 is fixedly connected to a connecting pipe 11, the connecting pipe 11 penetrates the connecting pipe 11, the end of the connecting pipe 11 is fixedly connected to an air pipe 9, the outer wall of the air pipe 9 is fixedly connected to the inside of the mixing barrel 1, and the output end of the air pipe 9 is fixedly connected to the inner bottom of the mixing barrel 1.

[0040] Specifically, through the arrangement of the connecting pipe 11 and the input pipe 9, the connecting pipe 11 injects air into the mixed liquid, and cooperates with the stirring device at the same time, so that more air is injected during stirring, so that bubbles are generated more fully.

[0041] Furthermore, the storage barrel 4 is connected to the mixing barrel 1 , a communication valve 10 is provided inside the storage barrel 4 , an input port 7 is provided on the top wall of the mixing barrel 1 , and a sealing valve 12 is provided inside the input port 7 .

[0042] Specifically, the sealing valve 12 is provided to prevent the liquid inside the storage barrel 4 from leaking, causing the water inside to contact the mixed liquid in advance, thereby preventing the mixed liquid from becoming ineffective.

[0043] Furthermore, an output pipe 14 is fixedly connected to the output end of the mixing barrel 1 , a solenoid valve 13 is arranged inside the output pipe 14 , an output pump 15 is fixedly connected to the upper surface of the support plate 3 , and an input end of the output pump 15 is connected to the output pipe 14 .

[0044] Specifically, the output pump 15 provides sufficient power for the output of the foam, so that the foam can be output to a greater distance, so that people are kept away from fire sources and their personal safety is ensured.

[0045] Furthermore, a plurality of universal wheels 19 are provided at the bottom end of the support plate 3 .

[0046] Specifically, the universal wheels 10 provide sufficient maneuverability for the device, and the device can be quickly deployed in a fire extinguishing area.

[0047] Furthermore, the storage barrel 4 includes a barrel body 401, the top of the barrel body 401 is threadedly connected to a sealing cover 405, the inner wall of the sealing cover 405 is inserted with a connecting column 406, the end of the connecting column 406 is fixedly connected to the extrusion bottom 402, the outer wall of the barrel body 401 is fixedly connected to a support arm 403, the upper surface of the support arm 403 is fixedly connected to a through-type linear motor 404, the top of the connecting column 406 is fixedly connected to a pressure rod 407, and the output shaft of the through-type linear motor 404 is rotatably connected to the inner wall of the pressure rod 407.

[0048] Specifically, by setting the storage barrel 4, the concentrate can be injected into the interior of the storage barrel 4 in advance when not in use, avoiding long-term contact between the concentrate and the water causing the concentrate to become ineffective, and by setting the extrusion bottom 402, excessive residue of the concentrate on the inner wall of the storage barrel 4 is avoided.

[0049] Furthermore, the output end of the output pump 15 is fixedly connected to a nozzle 16, the top of the support plate 3 is fixedly connected to a water hose reel 20, the nozzle 16 is wound around the outer wall of the water hose reel 20, and the output end of the output pump 15 is fixedly connected to the input end of the water hose reel 20.

[0050] Specifically, by disposing the hose reel 20 , the storage area of ​​the nozzle 16 is reduced, and a longer nozzle 16 can be accommodated.

[0051] Furthermore, the mixing barrel 1 is a double-layer structure, the mixing barrel 1 includes a protective layer 101 , the inner wall of the protective layer 101 is fixedly connected with a wear-resistant layer 102 , and a protection box 21 is provided on the upper surface of the support plate 3 , and the protection box 21 covers the mixing barrel 1 .

[0052] Specifically, the provision of the protection box 21 can prevent the moving parts of the device from being exposed to the outside and causing harm to people when the device is in motion, and can protect the internal parts from external damage.

[0053] Furthermore, a nozzle 17 is fixedly connected to the output end of the nozzle pipe 16 , and a solenoid valve control button 18 is fixedly connected to the outer wall of the nozzle 17 .

[0054] Specifically, the electromagnetic valve 13 cooperates with the electromagnetic valve control button 18 so that the device can autonomously control the opening and closing of the electromagnetic valve 13 when in use, thereby preventing accidental leakage of the mixed liquid.

[0055] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A portable fire-fighting foam generating device, comprising: A mixing barrel (1), a support plate (3), a storage barrel (4), an air pump (6), a stirring device (8) and an output pump (15), characterized in that the outer wall of the mixing barrel (1) is fixedly connected to a support frame (2), and the bottom end of the support frame (2) is fixedly connected to the upper wall of the support plate (3); The storage barrel (4) is fixedly connected to the top of the stirring barrel (1), the stirring device (8) is rotatably connected to the inside of the stirring barrel (1), the top of the stirring barrel (1) is fixedly connected to a motor (5), and the output end of the motor (5) is fixedly connected to one end of the stirring device (8).

2. A portable fire-fighting foam generating device according to claim 1, characterized in that: The stirring device (8) comprises a connecting shaft (802), wherein the connecting shaft (802) is rotatably connected to the inner wall of the stirring barrel (1), the outer wall of the connecting shaft (802) is fixedly connected to a first turbine stirring disk (801), the outer wall of the connecting shaft (802) is fixedly connected to a second turbine stirring disk (803), the first turbine stirring disk (801) is located above the second turbine stirring disk (803), the bottom end of the connecting shaft (802) is fixedly connected to an arrow-blade turbine stirring disk (804), the outer wall of the connecting shaft (802) is fixedly connected to a cleaning frame (805), the end of the cleaning frame (805) is fixedly connected to a scraper (806), and the scraper (806) is in close contact with the inner wall of the stirring barrel (1).

3. A portable fire-fighting foam generating device according to claim 1, characterized in that: The output end of the air pump (6) is fixedly connected to a connecting pipe (11), the connecting pipe (11) runs through the connecting pipe (11), the end of the connecting pipe (11) is fixedly connected to an air supply pipe (9), the outer wall of the air supply pipe (9) is fixedly connected to the inside of the mixing barrel (1), and the output end of the air supply pipe (9) is fixedly connected to the inner bottom of the mixing barrel (1).

4. A portable fire-fighting foam generating device according to claim 1, characterized in that: The storage barrel (4) is connected to the mixing barrel (1), a connecting valve (10) is arranged inside the storage barrel (4), an input port (7) is arranged on the top wall of the mixing barrel (1), and a sealing valve (12) is arranged inside the input port (7).

5. A portable fire-fighting foam generating device according to claim 1, characterized in that: The output end of the mixing barrel (1) is fixedly connected to an output pipe (14), an electromagnetic valve (13) is arranged inside the output pipe (14), and the upper surface of the support plate (3) is fixedly connected to an output pump (15), the input end of the output pump (15) is connected to the output pipe (14).

6. A portable fire-fighting foam generating device according to claim 1, characterized in that: A plurality of universal wheels (19) are arranged at the bottom end of the support plate (3).

7. A portable fire-fighting foam generating device according to claim 1, characterized in that: The storage barrel (4) comprises a barrel body (401), the top end of the barrel body (401) is threadedly connected to a sealing cover (405), the inner wall of the sealing cover (405) is plugged with a connecting column (406), the end of the connecting column (406) is fixedly connected to an extrusion bottom (402), the outer wall of the barrel body (401) is fixedly connected to a support arm (403), the upper surface of the support arm (403) is fixedly connected to a through-type linear motor (404), the top end of the connecting column (406) is fixedly connected to a pressure rod (407), and the output shaft of the through-type linear motor (404) is rotatably connected to the inner wall of the pressure rod (407).

8. A portable fire-fighting foam generating device according to claim 1, characterized in that: The output end of the output pump (15) is fixedly connected to a nozzle (16), the top end of the support plate (3) is fixedly connected to a water hose reel (20), the nozzle (16) is wound around the outer wall of the water hose reel (20), and the output end of the output pump (15) is fixedly connected to the input end of the water hose reel (20).

9. A portable fire-fighting foam generating device according to claim 1, characterized in that: The mixing barrel (1) is of a double-layer structure, comprising a protective layer (101), the inner wall of the protective layer (101) being fixedly connected with a wear-resistant layer (102), and a protective box (21) is provided on the upper surface of the support plate (3), the protective box (21) covering the mixing barrel (1).

10. A portable fire-fighting foam generating device according to claim 8, characterized in that: The output end of the nozzle (16) is fixedly connected to a nozzle (17), and the outer wall of the nozzle (17) is fixedly connected to a solenoid valve control button (18).

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