Foam fire extinguishing device for liquid storage tank

Abstract

The utility model provides a foam fire extinguishing device for a liquid storage tank, which comprises a foam tank connected with the liquid storage tank through a fire extinguishing pipeline, foam liquid and high-pressure gas are preloaded in the foam tank, the foam tank is set to be opened under the control of a control end, and a foam block opening module can open the foam tank after receiving a signal and judging that an opening condition is met. And commanding the foam tank to be opened and outputting foam to the foam nozzle. The foam fire extinguishing system for the liquid storage tank is high in safety, sensitivity and reliability, capable of timely discovering and timely processing fire emergencies, safe and reliable, and capable of adapting to the liquid storage tank with a large area.

Description

TECHNICAL FIELD

[0001] The utility model relates to a large -scale liquid storage container fire extinguishing device especially the fire extinguishing device of the liquid storage pool used in chemical industry. BACKGROUND

[0002] Large -scale liquid storage container especially emergency type liquid storage pool because the capacity of the liquid stored is larger and the dangerous attribute and flammability of the liquid stored, in order to keep the use safety of pool body, need to pay close attention to, thereby timely discovery pool body security risk and guarantee pool body use safety. The existing liquid storage pool lacks necessary intelligent control system, and the existing fire extinguishing system in CN201510011747.1 is only the monitoring of foam tank, and the active response mode and intelligent operation mode of fire extinguishing system are not realized. SUMMARY

[0003] In order to solve the problems in the prior art, the utility model aims at providing a liquid storage pool foam fire extinguishing device, including the foam tank connected with the liquid storage pool through the fire extinguishing pipeline, the fire extinguishing pipeline is provided with the electric control master control valve between the foam tank, the foam tank is preloaded with foam liquid and high pressure gas, the liquid storage pool is internally provided with multiple foam spray heads connected with the foam tank, the foam spray head is evenly distributed around the liquid storage pool, the electric control master control valve is connected with the control end, the electric control master control valve is set to be controlled to open and close by the control end, the foam tank is also provided with a pressure detection device, the foam tank is connected with the pressurizing pipeline and the pressure relief pipeline, the electric control safety valve is arranged on the pressurizing pipeline and the pressure relief pipeline, and the electric control safety valve is connected with the control end.

[0004] As a further improvement of the utility model, the foam spray head is provided with multiple partitions, and the foam spray heads in the same partition are connected with the foam tank through the same fire extinguishing pipeline.

[0005] As a further improvement of the utility model, the fire extinguishing pipeline mounted in the liquid storage pool and connected with the foam spray head is a metal fire extinguishing pipeline, and the metal fire extinguishing pipeline is connected with the foam tank through a hose.

[0006] As a further improvement of the utility model, the foam spray head is a horn mouth.

[0007] As a further improvement of the utility model, the foam spray head is provided with a spray angle adjusting device, and the control end is connected with the spray angle adjusting device to control the angle of the foam spray head.

[0008] As a further improvement of the utility model, the control end is installed on a platform control crowbar, the platform control crowbar is further provided with an emergency start-stop button for stopping the emergency stop of the foam tank, and the platform control crowbar is further provided with a one-key fire extinguishing button.

[0009] As a further improvement of the utility model, the platform control crowbar is further provided with an alarm device connected with the control end and a manual start alarm device button, and the platform control crowbar is further provided with a manual control selection button.

[0010] As a further improvement of the utility model, the platform control crowbar is provided with a shell for placing the control end, and the control end is powered by an independent power supply located in the platform control crowbar.

[0011] As a further improvement of the utility model, the foam tank is further preloaded with high-pressure gas.

[0012] As a further improvement of the utility model, the foam tank is provided with a foam liquid filling port, the foam liquid filling port is arranged at the upper portion of the foam tank, the foam tank is further provided with a high-pressure gas filling port, the high-pressure gas filling port is arranged at the lower portion of the foam tank, the foam is a water film foam extinguishing agent, and the high-pressure gas is nitrogen.

[0013] The liquid storage pool foam extinguishing system has high safety, sensitivity and reliability, can timely discover and handle in the face of sudden fire, is safe and reliable, and can adapt to a large-area liquid storage pool.

[0014] 1. The double triggering condition provides enhanced protection measures for the site safety.

[0015] 2. The design of the two-stage safety device aims to provide double protection to respond to different emergency situations and ensure the safe operation of the storage tank in various environments.

[0016] 3. The three-stage safety device jointly constitutes a comprehensive fire emergency response system to ensure effective response to fires in different situations.

[0017] 4. It can quickly and effectively respond to various emergency situations.

[0018] 5. Through multiple designs, the reliability and safety of the system can be ensured. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description, obviously, the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description, obviously, the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0021] Figure 1 is a structural schematic diagram of the present application;

[0022] Figure 2 is a flow schematic diagram of the present application;

[0023] In the figure, 1, control end, 2, light alarm device, 3, platform control crowbar, 4, 9, fire extinguishing pipeline, 5, foam nozzle, 6, inner pool, 7, high temperature probe, 8, outer pool, 10, pressure monitoring device, 11, foam tank, 12, manual valve, 13, electric control master valve, 14, foam tank crowbar. DETAILED DESCRIPTION

[0024] The present application will be described in detail below in combination with the specific embodiments shown in the drawings. However, these embodiments do not limit the present application, and the changes in structure, method or function made by those skilled in the art according to these embodiments are all included in the protection scope of the present application.

[0025] In various drawings of the present application, in order to facilitate illustration, some dimensions of structures or parts may be exaggerated relative to other structures or parts, therefore, only used for illustrating the basic structure of the subject of the present application.

[0026] In addition, terms, such as "upper," "upward," "lower," "downward," and the like, used herein for spatially relative positions on one element or feature to another element or feature, are described with respect to the orientation as shown in the drawings. The spatially relative terms can be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, elements described as being on the "lower" side of other elements or features would then be oriented on "upper" sides since they are now higher than the other features after the device is turned. Therefore, the example term "lower" can encompass both an orientation of above and below. The device can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

[0027] Embodiment 1: as Figure 1 As shown in the drawings, a liquid pool foam fire extinguishing system comprises a foam tank connected with a liquid pool through a fire extinguishing pipeline, an electrically controlled master valve is arranged between the fire extinguishing pipeline and the foam tank, the foam tank is preloaded with foam liquid for fire extinguishing, the liquid pool comprises an inner pool and an outer pool, both the inner pool and the outer pool are detachable liquid pools, the height of the inner pool is consistent with that of the outer pool, a grid-shaped channel is laid at the top between the inner pool and the outer pool, which can be used for walking, and the outer pool is further provided with a man-accessible staircase matched with the top channel for daily inspection after climbing.

[0028] The liquid pool is provided with a plurality of foam nozzles connected with the foam tank, the foam nozzles are uniformly distributed around the liquid pool, the electrically controlled master valve is connected with a control end, the electrically controlled master valve is arranged to be controllable to be opened and closed by the control end, the control end is further connected with a thermal imaging infrared monitoring system, a high-temperature probe and a flame sensor respectively, the control end is further connected with a light alarm device, when any one of the thermal imaging infrared monitoring system, the high-temperature probe and the flame sensor detects a value equal to or greater than a preset value, the control end starts the light alarm device, when any two of the thermal imaging infrared monitoring system, the high-temperature probe and the flame sensor simultaneously detect a value equal to or greater than a preset value, the control end controls the electrically controlled master valve to be opened after receiving the signal and judging that the trigger condition is reached.

[0029] The foam nozzle of the scheme is a special horn-shaped nozzle, a composite hose goes out from the foam tank to the detachable liquid pool, a fire extinguishing pipeline is installed along the liquid pool, the foam nozzles are equally divided to the fire extinguishing pipeline, the foam will cover from the periphery to the center during the fire extinguishing process, the fire extinguishing pipeline is a pressure-resistant pipeline, which can withstand the high pressure output by the foam tank, and the connection fire extinguishing pipeline between the foam tank and the liquid pool adopts a hose.

[0030] Preferably, the fire extinguishing pipeline installed around the liquid storage pool divides the liquid storage pool into four equal parts. Four connecting pipelines are made of seamless steel pipes and are connected to the hoses connected to the foam tank. The foam nozzle interface adopts a quick connector. The main pipeline is connected to the distributor and enters the pool fire extinguishing pipeline. The pipeline and the electric control valve are high-pressure components to avoid accidents caused by the rupture of pipeline connectors and equipment components. The fire extinguishing pipeline is also provided with an electrically controlled pneumatic valve and a manual valve for double protection. The control end controls the opening and closing of the foam tank through the control of the electric control master valve and / or the electric control selection valve.

[0031] The foam fire extinguishing system operates independently without the need for external power supply and water. The foam tank is a pressure vessel, and the foam liquid is pre-mixed and configured.

[0032] The fire extinguishing system startup monitoring content includes: infrared temperature monitoring, high temperature probe monitoring, flame sensor monitoring.

[0033] Thermal imaging infrared monitoring system: uses explosion-proof infrared camera to detect the temperature of each block in real time, and realizes intelligent monitoring and fire point detection through AI technology.

[0034] High temperature probe: provides real-time temperature monitoring for the inside and outside of the emergency sedimentation tank to ensure that all operations are always within a safe range. Once an abnormal temperature is detected, the system will automatically trigger an intelligent alarm to remind the site to immediately investigate.

[0035] Flame sensor: a non-contact optical sensor that uses light and heat radiation signals generated by fire. It mainly uses the light-emitting characteristics of fire in the visible and infrared light regions. When the sensor receives light and heat radiation from the fire, the sensor will generate a photosensitive element signal, which will be decoded into a digital or analog value and compared with a reference value. Therefore, if the radiation signal received by the sensor exceeds the set threshold, the sensor will send a signal to the system to trigger a warning or alarm.

[0036] When any two of the three fire detection methods detect an abnormal temperature at the same time, the system will automatically trigger an alarm and be linked with large fire extinguishing equipment. This configuration ensures that only when the high-temperature sensor and the infrared camera or the flame detector issue an alarm together, the automatic fire emergency response mechanism will be activated. This double triggering condition provides enhanced protection for on-site safety.

[0037] When the thermal imaging monitoring temperature is ≥500℃, the system starts the secondary light alarm device to alarm;

[0038] When the high-temperature probe monitoring temperature is ≥200℃, the system starts the secondary light alarm device to alarm;

[0039] When the flame detector monitors the fire point for 2 seconds, the system starts the secondary light alarm device alarm;

[0040] In the embodiment 2, the foam nozzle is divided into multiple zones according to the location, preferably divided into 4 zones, the thermal imaging infrared monitoring system, the high-temperature probe and the flame sensor are also marked as multiple zones corresponding to the foam nozzle according to the location, the multiple zones are connected with the foam tank through different fire extinguishing pipes, each zone has a separate fire extinguishing pipe arranged in the liquid storage pool, and the foam nozzle of each zone is connected through the same fire extinguishing pipe connected with the foam tank, and an electric control selection valve is arranged between the fire extinguishing pipe of the zone and the foam tank and after the electric control master valve. When any two of the thermal imaging infrared monitoring system, the high-temperature probe and the flame sensor in the same zone detect a value equal to or greater than a preset value at the same time, the control end will control the electric control selection valve connected with the zone to open after receiving the signal and judging that the trigger condition is reached. In this way, when the fire is limited to a local area of the liquid storage pool, the fire can be more accurately, timely and quickly extinguished, and the effect of saving fire extinguishing agent can also be achieved.

[0041] The electric control selection valve and the electric control master valve are arranged to be manually controllable. In the case that the system cannot be controlled by signals due to power failure or the like, the foam nozzle can also be connected for fire extinguishing.

[0042] The control end will first open the electric control selection valve of the corresponding zone and then open the electric control master valve after receiving the signal and judging that the trigger condition is reached. The liquid storage pool foam fire extinguishing system is also provided with a manual control module, which is started by a manual control button connected with the control end. After the manual control module is started, the control end will preferentially process the signal and instruction sent by the manual control module.

[0043] As shown in Figure 2 The control end completes the discharge of the foam in two stages after receiving the signal and judging that the trigger condition is reached, wherein in the first stage, the control end controls the foam tank to rapidly discharge to cover the fire area, and after the first stage is completed, the control end controls the foam tank to be opened again in the second stage after a preset time. After the foam tank is pressurized again, the foam tank is opened again and the foam is sprayed to the foam nozzle. When the temperature monitored by the thermal imaging infrared monitoring system is ≥500°C, the control end starts the light alarm device, which is a warning light, and a sound alarm device can also be installed at the same time to remind the relevant staff to pay attention. When the temperature monitored by the high-temperature probe is ≥200°C, the control end starts the light alarm device. When the flame detector monitors the fire point for 2 seconds, the control end starts the light alarm device.

[0044] The foam tank can be filled with high-pressure gas and fire extinguishing foam in advance. This method can ensure that the foam tank has high-pressure fire extinguishing foam available at any time. The foam is water film-forming foam extinguishing agent, and the high-pressure gas is nitrogen. In addition, the foam tank can also be equipped with water film-forming foam extinguishing agent and connected to a foam proportioning mixer through an output pipeline.

[0045] In embodiment 3, the foam tank is also connected to a pressurizing pipeline and a pressure relief pipeline, and an electrically controlled safety valve is arranged between the pressure relief pipeline and the foam tank and connected to the control terminal. The foam tank is also provided with a pressure detection device, which can be a pressure gauge. The pressure detection device is used to transmit the detected data to the control terminal. The control terminal compares the received data with the preset safety value and determines whether to control the electrically controlled safety valve to open the pressure relief pipeline to discharge excess pressure or to open the pressurizing pipeline to pressurize the foam tank. The foam tank is also provided with a mechanical safety valve that will automatically open and discharge gas through an exhaust pipe when the pressure of the foam tank exceeds a set value. The connection fire extinguishing pipeline on the side wall of the liquid storage pool body connected to the foam nozzle is a metal fire extinguishing pipeline, which is connected to the foam tank through a hose. The foam nozzle is in the shape of a horn mouth. The foam nozzle is provided with a spray angle adjusting device, and the control terminal is connected to the spray angle adjusting device to control the angle of the foam nozzle. The control terminal is installed on a platform control pry, which is also provided with an emergency start-stop button for stopping the emergency stop of the foam tank and a one-key fire extinguishing button. The platform control pry is also provided with an alarm device connected to the control terminal and a manual start alarm device button. The platform control pry is also provided with a manual control selection button. The platform control pry is provided with a housing for placing the control terminal. The control terminal is powered by a separate power supply inside the platform control pry. The foam tank is provided with a foam liquid filling port, which is arranged at the upper part of the foam tank. The foam tank is also provided with a high-pressure gas filling port, which is arranged at the lower part of the foam tank. The foam is water film-forming foam extinguishing agent, and the high-pressure gas is nitrogen.

[0046] In embodiment 4, to further ensure the safety of the foam tank, it is also provided with a safety setting. To ensure the safety of the foam tank, two levels of safety devices are provided.

[0047] Electrically controlled safety device: This is the first level of safety measure. When the internal pressure of the foam tank is abnormal, the electrically controlled safety device can automatically activate the electrically controlled safety valve to safely discharge the overpressure gas through the pressure relief pipeline. After the discharge is completed, the device can be automatically closed to prevent further pressure accumulation.

[0048] Mechanical safety valve: As a second level of safety measure, used to respond to emergency situations such as power failure. When the pressure of the foam tank exceeds the set value, the mechanical safety valve will automatically open, discharging gas to the outside through the exhaust pipe, ensuring the safety of the foam tank.

[0049] The design of these two levels of safety devices aims to provide double protection to respond to different emergency situations, ensuring the safe operation of the foam tank in various environments.

[0050] The system also has permission settings:

[0051] The operation of the field control terminal should have permission settings, at least three levels of permission, level one is viewing permission, only viewing corresponding data, records, etc.; level two is operation permission, which can perform corresponding detection operations during regular inspection; level three is the highest permission, which can modify the set parameters and all operations. Note: Manual operation on the control terminal can be performed in any state and is effective.

[0052] There are four control methods for the foam liquid fire extinguishing system:

[0053] Automatic control is the first level of protection measure, when the system detects abnormal conditions, it will automatically trigger an alarm and link with large fire extinguishing equipment, starting the fire extinguishing program.

[0054] Press the "automatic" button on the control panel, the corresponding indicator light will light up, the system will switch to automatic mode. The control terminal receives fire extinguishing instructions from the fire alarm control module, and the fire extinguishing work is automatically performed according to the program. When the three detection methods reach the double alarm standard, the control terminal sends the fire extinguishing instruction, the control terminal first starts the delay program for 0-3S (the system program analyzes and compares the monitoring data to determine whether it is a false alarm), after the delay time, if there is no false alarm, the control terminal sends the fire extinguishing instruction, first opens the corresponding partition electric control selection valve, then opens the electric control master valve, releases the foam extinguishing agent, after the pre-set fire extinguishing spraying time, the electric control master valve automatically closes, after 5 seconds delay, the electric control selection valve automatically closes, and returns to standby state. In this way, if the fire is only in individual or partial partitions, only the corresponding partition foam nozzle needs to respond to extinguish the fire, which can more effectively control the fire and reduce resource waste.

[0055] As a second level of protection, when the automatic system fails, the on-site operator can activate the platform fire extinguishing system through a one-key starting mechanism. This ensures that in emergency situations, large fire extinguishing equipment can be put into use and perform fire extinguishing operations in a timely manner.

[0056] When the fire alarm control module control mode is set to "manual", the entire fire extinguishing system is in manual control state. When a fire occurs in the protected area, it is detected by the fire detector and a signal is sent to the fire control end. After confirmation by the on-site personnel, press the manual button on the fire alarm control module (or the start button on the "emergency start / stop" button at the entrance of the protected area), and the start operation and control mode of the fire alarm control module operating linkage equipment and fire extinguishing device can be implemented.

[0057] The third level of protection is an emergency measure in case of power failure or other extreme situations. The operator can manually open the electrically controlled master valve to ensure that the fire extinguishing system can quickly and effectively perform the fire extinguishing task even in the case of power supply interruption.

[0058] These three levels of safety devices together form a comprehensive fire emergency response system to ensure effective response to fires in different situations.

[0059] To quickly and effectively respond to various emergency situations, the safe remote communication interface and dedicated hardware configuration set by the control end allow authorized users to remotely and safely start and operate the key emergency response system. This includes multiple identity verification, custom software support, and automated and manual control options to ensure the safety of the operation and the timeliness of the response.

[0060] When an anomaly is found (false alarm, personnel do not evacuate in time, etc.) in the case of system fire alarm or fire extinguishing instruction execution, the emergency stop button in the gas fire extinguishing control end and the integrated box can be pressed to interrupt the implementation of the fire extinguishing program; the emergency stop button on the fire extinguishing device control end panel is used to stop when spraying.

[0061] On-site platform control pry: all control equipment including gas fire extinguishing control end, emergency start / stop button, sound and light alarm, and gas release door lamp are integrated in the on-site platform control pry. The pry is a semi-closed shell, except for buttons and control end displays, etc., the rest of the devices are set inside the shell. The system is powered by lithium batteries and can operate independently. These devices take into account the needs of explosion-proof, rain-proof, and corrosion-proof, and can be used in harsh outdoor environments.

[0062] Manual and automatic control: the system can be manually started when the automatic mode fails, and also supports direct manual key start of the device itself.

[0063] Data transmission to the liquid pool foam fire extinguishing system: the device transmits pressure, liquid level, fault, and spraying state data of the foam liquid fire extinguishing device to the control end. The central control room can display and control settings on the monitoring screen through local wireless communication technology.

[0064] Central control room remote control: when a fire occurs, and after ensuring that all personnel have evacuated the protected area, the central control room can directly activate the fire extinguishing equipment through the remote liquid pool foam extinguishing system. At the same time, the site is also equipped with a manual start button, but does not consider remote stop function, which can be manually operated on site when needed.

[0065] Intelligent management system: a set of foam liquid fire extinguishing remote monitoring intelligent management system is deployed for 24-hour online monitoring of the operating status of the foam liquid fire extinguishing equipment (including tank pressure, liquid level and the opening and closing status of various valves). The system can also alarm and prompt the failure and starting action of the foam liquid fire extinguishing low-pressure equipment. All information will be pushed to the computer Web and mobile phone APP at the same time. In addition, the system also supports remote tracking of foam liquid fire extinguishing equipment information to facilitate fault checking and remote troubleshooting, achieving intelligent, information-based and remote management of the foam liquid fire extinguishing system.

[0066] In summary, this alarm monitoring method not only provides multi-level control and monitoring, but also enhances the response speed and management efficiency of the fire extinguishing system through intelligent systems.

[0067] Foam liquid replenishment: a filling port is provided on the foam tank equipment, a filling pipeline is connected from the equipment to the filling port, and the foam liquid transported to the site can be directly connected to the filling agent. The foam liquid filling port is arranged at the upper part of the foam tank, and the foam tank is also provided with a high-pressure gas filling port arranged at the lower part of the foam tank. The foam is a water film foam extinguishing agent, and the high-pressure gas is nitrogen.

[0068] According to the existing specification requirements and actual use on site, the maintenance space and operation space need to be considered.

[0069] According to the functional requirements of the project, the pressure, liquid level, failure and discharge signals of the foam fire extinguishing device need to be transmitted to the on-site liquid pool foam extinguishing system, the temperature signal of the protected area is collected by the liquid pool foam extinguishing system and transmitted to the fire alarm host; the liquid pool foam extinguishing system can manually start the foam fire extinguishing device.

[0070] The liquid pool foam extinguishing system divides the liquid pool into multiple partitions and provides temperature signals for each partition as infrared signals and high-temperature probe temperature wireless signals. The signals are divided into three zones, with one way per zone. The fire alarm host realizes autonomous control by receiving the signals. The liquid pool foam extinguishing system needs to provide a wireless temperature gateway and an infrared data gateway for temperature on-site confirmation.

[0071] When the infrared signal temperature T is greater than or equal to 500℃, the wireless fire extinguishing start signal is output, and the foam fire extinguishing device is started to extinguish the fire in the protected area.

[0072] When the high temperature probe signal T is greater than or equal to 200 DEG C, a wireless fire extinguishing starting signal is outputted, and the foam fire extinguishing device is started to extinguish fire in the protection area.

[0073] The foam tank main device provides fault and spraying switch quantity signal output, and the liquid pool foam fire extinguishing system needs to provide two switch quantity input interfaces.

[0074] Preferably, to ensure the safety of the foam tank, the foam tank is placed in the foam tank pry, and the pressure monitoring device is arranged on the foam tank pry.

Claims

1. A reservoir foam fire extinguishing apparatus comprising a foam tank connected to a reservoir by a fire extinguishing conduit, an electrically controlled master valve being provided between the fire extinguishing conduit and the foam tank, characterised in that, The foam tank is preloaded with foam liquid, the inside of the liquid pool is provided with a plurality of foam nozzles connected with the foam tank, the foam nozzles are uniformly distributed around the liquid pool, the electric control master valve is connected with the control end, the electric control master valve is arranged to be controllable to be opened and closed by the control end, the foam tank is further provided with a pressure detection device, the foam tank is connected with a pressurizing pipeline and a pressure relief pipeline, the pressurizing pipeline and the pressure relief pipeline are provided with an electric control safety valve, and the electric control safety valve is connected with the control end.

2. The reservoir foam fire extinguishing device of claim 1, wherein, The foam nozzles are arranged in multiple partitions, and the foam nozzles in the same partition are connected with the foam tank through the same fire extinguishing pipeline.

3. The reservoir foam fire extinguishing device of claim 1, wherein, The fire extinguishing pipeline connected with the foam nozzles and installed in the liquid pool is a metal fire extinguishing pipeline, and the metal fire extinguishing pipeline is connected with the foam tank through a hose.

4. The reservoir foam fire extinguishing device of claim 1, wherein, The foam nozzle is in the shape of a horn mouth.

5. The reservoir foam fire extinguishing device of claim 1 wherein, The foam nozzle is provided with a spray angle adjusting device, and the control end is connected with the spray angle adjusting device to control the angle of the foam nozzle.

6. The reservoir foam fire extinguishing device of claim 1, wherein, The control end is installed on a platform control pry, the platform control pry is further provided with an emergency start-stop button for stopping the emergency stop of the foam tank, and the platform control pry is further provided with a one-key fire extinguishing button.

7. The reservoir foam fire extinguishing device of claim 6, wherein, The platform control pry is further provided with an alarm device connected with the control end and a manual start alarm device button, and the platform control pry is further provided with a manual control selection button.

8. The reservoir foam fire extinguishing device of claim 7, wherein, The platform control pry is provided with a shell for placing the control end, and the control end is powered by an independent power supply located in the platform control pry.

9. The reservoir foam fire extinguishing device of claim 1 wherein, The foam tank is also preloaded with high-pressure gas.

10. A reservoir foam fire extinguishing apparatus as claimed in any one of claims 1 to 9, wherein, The foam tank is provided with a foam liquid filling port arranged at the upper part of the foam tank, and the foam tank is further provided with a high-pressure gas filling port arranged at the lower part of the foam tank, the foam is a water film forming foam extinguishing agent, and the high-pressure gas is nitrogen.

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