CN111991733A - Gas-liquid double-fluid mixing atomization fire extinguishing device and fire extinguishing method - Google Patents
Gas-liquid double-fluid mixing atomization fire extinguishing device and fire extinguishing method Download PDFInfo
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- CN111991733A CN111991733A CN202010725375.XA CN202010725375A CN111991733A CN 111991733 A CN111991733 A CN 111991733A CN 202010725375 A CN202010725375 A CN 202010725375A CN 111991733 A CN111991733 A CN 111991733A
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/005—Delivery of fire-extinguishing material using nozzles
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
Abstract
The present disclosure relates to a gas-liquid two-fluid mixing atomization fire extinguishing apparatus and a fire extinguishing method, the apparatus includes: the fire extinguishing medium storage unit, the power output unit, the control unit, the conveying pipeline, the atomization unit and the operation parameter monitoring unit are arranged on the fire extinguishing medium storage unit; the fire extinguishing medium storage unit comprises a gas fire extinguishing medium storage device and a liquid fire extinguishing medium storage device, the conveying pipeline and the atomization unit comprise a fire extinguishing medium conveying pipe network and an atomization nozzle, the power output unit is used for providing driving force, fire extinguishing medium in the gas fire extinguishing medium storage device and/or the liquid fire extinguishing medium storage device is conveyed to the atomization nozzle through the fire extinguishing medium conveying pipe network, and the particle size of atomized particles sprayed by the atomization nozzle is smaller than or equal to 400 micrometers; the control unit is used for regulating and controlling the working parameters of the power output unit, and the operation parameter monitoring unit is used for acquiring the working parameters of the fire extinguishing medium storage unit, the power output unit, the control unit, the conveying pipeline and the atomization unit so as to monitor the working state of the fire extinguishing device.
Description
Technical Field
The disclosure relates to the technical field of public safety fire engineering, in particular to a gas-liquid double-fluid mixing atomization fire extinguishing device and a fire extinguishing method.
Background
With the gradual increase of the number of facilities such as lithium battery bins of energy storage power stations and underground pipe galleries and the like, how to ensure the fire safety of such limited spaces becomes an extremely important subject, and the existing fire extinguishing technology, such as the superfine dry powder fire extinguishing device, can not extinguish large-area fire, and once reburning occurs, can not be controlled, so that the fire extinguishing effect is poor.
Compared with the prior art, the water mist can play a good effect in controlling the fire in the limited space, however, the water consumption is still large and the pressure loss is high when the water mist is used in a large-area covering manner in the scenes such as underground pipe gallery, and the difficulty is very large in practical application due to the problems of insufficient construction space of a water supply system and the like, so that the water mist cannot be popularized in a large area. Therefore, on the premise of ensuring high fire extinguishing efficiency, cleanness and no pollution, the research on a novel water mist fire extinguishing method capable of extinguishing a limited fire scene is developed, the water consumption is reduced, the application efficiency is further improved, and the method has important technical and economic values.
Disclosure of Invention
In order to solve the technical problems or at least partially solve the technical problems, the present disclosure provides a gas-liquid two-fluid mixed atomized fire extinguishing apparatus and a fire extinguishing method.
The utility model provides a gas-liquid double-fluid mixing atomization fire extinguishing device, which comprises a fire extinguishing medium storage unit, a power output unit, a control unit, a conveying pipeline, an atomization unit and an operation parameter monitoring unit;
the fire extinguishing medium storage unit comprises a gas fire extinguishing medium storage device and a liquid fire extinguishing medium storage device, the conveying pipeline and the atomization unit comprise a fire extinguishing medium conveying pipe network and an atomization nozzle, the power output unit is used for providing driving force, fire extinguishing medium in the gas fire extinguishing medium storage device and/or the liquid fire extinguishing medium storage device is conveyed to the atomization nozzle through the fire extinguishing medium conveying pipe network, and the particle size of atomized particles sprayed by the atomization nozzle is smaller than or equal to 400 micrometers; the control unit is used for regulating and controlling the working parameters of the power output unit, and the operating parameter monitoring unit is used for acquiring the working parameters of the fire extinguishing medium storage unit, the power output unit, the control unit and the conveying pipeline and the atomization unit so as to monitor the working state of the fire extinguishing device.
Optionally, the power output unit includes two independent sets of power output devices, and the two independent sets of power output devices are respectively used for driving and transporting the gaseous fire extinguishing medium in the gaseous fire extinguishing storage device and the liquid fire extinguishing medium in the liquid fire extinguishing storage device.
Alternatively, the driving force provided by the power output device can be a pump suction type, an external pressure storage type or an internal pressure storage type.
Optionally, the control unit regulates and controls the output pressure and the output flow of the two sets of power output devices to mix the gaseous fire extinguishing medium and the liquid fire extinguishing medium according to a preset ratio.
Optionally, the atomizer head comprises two inlets and at least one outlet;
the two inlets are respectively communicated with the gas fire extinguishing medium storage device and the liquid fire extinguishing medium storage device through the fire extinguishing medium conveying pipe network, and the outlets spray mixed fire extinguishing medium formed by mixing the liquid fire extinguishing medium and the gas fire extinguishing medium.
Optionally, the number of the atomizing nozzles is equal to or greater than 1.
Optionally, the liquid extinguishing medium comprises water, and the gaseous extinguishing medium comprises a high boiling point gaseous extinguishing agent in a liquid state in storage.
Optionally, the high-boiling-point gas fire extinguishing agent is a perfluorohexanone fire extinguishing agent, and the water is tap water or fire water.
Optionally, the gaseous extinguishing medium storage device and the liquid extinguishing medium storage device are both made of austenitic stainless steel, and the extinguishing medium conveying pipe network is made of 316L stainless steel.
The invention also provides a gas-liquid double-fluid mixed atomization fire extinguishing method, which is implemented by applying any one of the fire extinguishing devices, and the fire extinguishing method comprises the following steps:
the control unit starts the fire extinguishing device according to a fire alarm signal;
the power output unit transfers the fire extinguishing medium in the gas fire extinguishing medium storage device and/or the liquid fire extinguishing medium storage device to the atomizing spray head through the fire extinguishing medium conveying pipe network under the regulation and control of the control unit;
the atomizing spray head sprays out the gaseous extinguishing medium and/or the liquid extinguishing medium; wherein the particle diameter of the atomized particles sprayed by the atomizing spray head is less than or equal to 400 microns;
the operating parameter monitoring unit collects working parameters of the fire extinguishing medium storage unit, the power output unit, the control unit and the conveying pipeline and atomization unit so as to monitor the working state of the fire extinguishing device.
Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:
the gas-liquid double-fluid mixing atomization fire extinguishing device provided by the embodiment of the disclosure is provided with a fire extinguishing medium storage unit, a power output unit, a control unit, a conveying pipeline, an atomization unit and an operation parameter monitoring unit; the fire extinguishing medium storage unit comprises a gas fire extinguishing medium storage device and a liquid fire extinguishing medium storage device, the conveying pipeline and the atomization unit comprise a fire extinguishing medium conveying pipe network and an atomization nozzle, the power output unit is used for providing driving force, fire extinguishing medium in the gas fire extinguishing medium storage device and/or the liquid fire extinguishing medium storage device is conveyed to the atomization nozzle through the fire extinguishing medium conveying pipe network, and the particle size of atomized particles sprayed by the atomization nozzle is smaller than or equal to 400 micrometers; the control unit is used for regulating and controlling the working parameters of the power output unit, and the operation parameter monitoring unit is used for acquiring the working parameters of the fire extinguishing medium storage unit, the power output unit, the control unit, the conveying pipeline and the atomization unit so as to monitor the working state of the fire extinguishing device. Therefore, the fire extinguishing device can be widely applied to various limited space fire scenes, and improves the fire extinguishing efficiency.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a gas-liquid two-fluid mixing atomization fire extinguishing apparatus provided by an embodiment of the disclosure;
fig. 2 is a schematic flow chart of a gas-liquid two-fluid mixing atomization fire extinguishing method provided by an embodiment of the disclosure.
Illustration of the drawings: 1. a fire extinguishing medium storage unit; 11. a gaseous extinguishing medium storage device; 12. a water storage device or a liquid fire extinguishing medium storage device; 2. a power output unit; 21. a power take-off; 3. a control unit; 31. an output parameter control module; 4. a delivery pipeline and an atomization unit; 41. a two-fluid mixing atomizer, or called an atomizer; 5. and an operation parameter monitoring unit.
Detailed Description
In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.
Aiming at the problems brought forward by the background technology center, some colleges and scientific research units at home and abroad partially research on improving the water mist fire extinguishing efficiency, and at present, various adding media including inorganic salt compounds and organic compounds are mainly added into the water mist, and the method for developing the fire extinguishing device has the following defects: firstly, the added medium is mixed with water and atomized and then sprayed into a limited space, so that the added medium is easily shielded by a barrier and cannot achieve the purpose of high-efficiency fire extinguishing; secondly, solid or liquid compounds are attached to protected electrical equipment, so that the later cleaning is difficult and secondary pollution is easily caused; and the third defect is that some adding media contain charged ions, so that the fire extinguishing device is applied to extinguishing fire in a charged scene, and the risk of human electric shock or influence on the safety of electrical equipment can exist.
Therefore, aiming at the characteristics of the traditional water mist fire extinguishing device and combining the fire fighting requirement of the limited space, the embodiment of the disclosure provides a gas-liquid two-fluid mixed atomization fire extinguishing device and a method which are clean, pollution-free, high in fire extinguishing efficiency and strong in insulativity and can effectively improve the application rate of the device, thereby providing guidance for the structural design and final development of the device and effectively solving the problems of few selectivity and low application rate of the fire extinguishing device of the limited space. The gas-liquid two-fluid mixing atomization fire extinguishing device and method provided by the embodiment of the disclosure are exemplified in the following by combining with figures 1-2.
Fig. 1 is a schematic structural diagram of a gas-liquid two-fluid mixing atomization fire extinguishing apparatus provided by an embodiment of the disclosure. Referring to fig. 1, the gas-liquid two-fluid mixing atomization fire extinguishing device comprises a fire extinguishing medium storage unit 1, a power output unit 2, a control unit 3, a conveying pipeline and atomization unit 4 and an operation parameter monitoring unit 5; the fire extinguishing medium storage unit 1 comprises a gas fire extinguishing medium storage device 11 and a liquid fire extinguishing medium storage device 12 (shown as a water storage device 12 in fig. 1), the conveying pipeline and atomization unit 4 comprises a fire extinguishing medium conveying pipeline network (not marked in fig. 1) and an atomization nozzle 41 (shown as a two-fluid mixing atomization nozzle 41 in fig. 1), the power output unit 2 is used for providing driving force to convey the fire extinguishing medium in the gas fire extinguishing medium storage device 11 and/or the liquid fire extinguishing medium storage device 12 to the atomization nozzle 41 through the fire extinguishing medium conveying pipeline network, and the particle size of atomized particles sprayed by the atomization nozzle 41 is smaller than or equal to 400 micrometers; the control unit 3 (including the output parameter control module 31) is used for regulating and controlling the working parameters of the power output unit 2, and the operation parameter monitoring unit 5 is used for acquiring the working parameters of the fire extinguishing medium storage unit 1, the power output unit 2, the control unit 3, the conveying pipeline and the atomization unit 4 so as to monitor the working state of the fire extinguishing device.
Wherein, the power output unit 2 can transfer the gaseous medium in the gaseous extinguishing medium storage device 11 to the atomizer 41 through the extinguishing medium delivery pipe network, and can transfer the liquid extinguishing medium in the liquid extinguishing medium storage device 12 to the atomizer 41 through the extinguishing medium delivery pipe network; gaseous extinguishing medium and/or liquid extinguishing medium is sprayed from the atomizer head 41 to explain extinguishing with single-component extinguishing medium or mixed extinguishing.
Wherein, the control unit 3 carries out logic control on the whole fire extinguishing device, including but not limited to the regulation and control of the power output unit 2; the modulation may include: the power output unit 2 is used for driving a gas extinguishing medium to extinguish a fire, or the power output unit 2 is used for driving a liquid extinguishing medium to extinguish a fire, or the power output unit 2 is used for driving a mixed medium to extinguish a fire after the gas extinguishing medium and the liquid extinguishing medium are mixed according to a preset proportion.
The operation parameter monitoring unit can carry out integrated analysis on data of main parameter measuring sensors in the fire extinguishing medium storage unit 1, the power output unit 2, the control unit 3, the conveying pipeline and the atomization unit 4 so as to realize monitoring of the working state of the fire extinguishing device.
Wherein, the particle diameter of the atomized particles sprayed by the atomizing nozzle 41 is less than or equal to 400 microns, so that the atomized particles do not travel a conductive path, and the atomized particles can be applied to charged fire extinguishing scenes.
The gas-liquid two-fluid mixing atomization fire extinguishing device provided by the embodiment of the disclosure can utilize gas-liquid mixing atomization, can rapidly diffuse and cover a fire catching position in a limited space, is high in fire extinguishing efficiency, does not corrode or damage equipment, is clean and pollution-free, can extinguish fire under the running condition of electrical equipment in an electrified manner, provides effective guidance for research and development of limited space fire extinguishing methods and devices, and is applicable to gas-liquid two-fluid mixing atomization cleaning and efficient electrified fire extinguishing in various limited fire scenes.
In an embodiment the power take-off unit 2 comprises two separate sets of power take-offs 21 for driving the transport of gaseous extinguishing medium in the gaseous extinguishing storage means 11 and the liquid extinguishing medium in the liquid extinguishing storage means 12, respectively.
Thus, independent driving control of the gaseous extinguishing medium and the liquid extinguishing medium can be realized.
In one embodiment, the power output device 21 provides the driving force in a pumping mode, an external pressure storage mode or an internal pressure storage mode.
Wherein, when the pump suction type power output device is selected, the inlet of the pump suction type power output device is connected with the outlet of the fire extinguishing medium storage unit; when the external pressure storage type power output device is selected, the outlet of the external pressure storage type power output device is connected with the inlet of the fire extinguishing medium storage unit; when the internal pressure storage type power output device is selected, the internal pressure storage type power output device and the fire extinguishing medium storage unit are integrated into one device.
In one embodiment, the control unit 3 regulates and controls the output pressure and flow of the two sets of power output devices 21 to mix the gaseous extinguishing medium and the liquid extinguishing medium according to a preset ratio.
Therefore, controllable adjustment of the gas fire extinguishing medium and the liquid fire extinguishing medium can be realized, and the fire extinguishing efficiency is favorably improved.
In one embodiment, the atomizer head 41 comprises two inlets and at least one outlet; the two inlets are respectively communicated with a gas fire extinguishing medium storage device 11 and a liquid fire extinguishing medium storage device 12 through a fire extinguishing medium conveying pipe network, and the outlets spray mixed fire extinguishing medium formed by mixing the liquid fire extinguishing medium and the gas fire extinguishing medium.
Thus, the fire extinguishing device can realize the proportional mixing and spraying of two immiscible fluids. In combination with the above, the maximum working pressure of the atomizer can be 6MPa, and the maximum flow can be 150L/min; in other embodiments, the working pressure and flow rate may be set to other values, which may be set according to the requirements of the fire extinguishing apparatus, and the examples of the present disclosure are not limited thereto.
In one embodiment, the number of atomizer heads 41 is equal to or greater than 1.
Wherein the number of the atomizer 41 can be set according to the requirements of the fire extinguishing apparatus. When the fire extinguishing apparatus is applied to a fire extinguishing scene with a small fire, the number of the atomizing spray heads 41 can be 1; when the fire extinguishing apparatus is applied to a fire extinguishing scene with a large fire, the number of the atomizing spray heads 41 may be 2 or more, which is not limited by the embodiment of the present disclosure.
In one embodiment, the liquid extinguishing medium comprises water and the gaseous extinguishing medium comprises a high boiling point gaseous extinguishing agent in a stored state in a liquid state.
So, adopt water and clean high boiling gaseous fire extinguishing agent as the medium of putting out a fire, can guarantee to put out a fire the in-process and to the environmental pollution-free, have electrified fire extinguishing function concurrently, to important instrument and equipment harmless, realize the clean fire extinguishing function to electrified confined space such as lithium cell storehouse and cable tunnel, improved gas-liquid double-fluid mixture atomizing extinguishing device's practicality.
In one embodiment, the high boiling point gaseous extinguishing agent is a perfluorohexanone extinguishing agent and the water is tap water or fire water.
In one embodiment, austenitic stainless steel is used for both the gaseous extinguishing medium storage means 11 and the liquid extinguishing medium storage means 12, and 316L stainless steel is used for the extinguishing medium conveying piping network.
Thus, the device is stable and safe.
On the basis of the above embodiment, commercially available perfluorohexanone fire extinguishing agent can be used as the high boiling point gaseous fire extinguishing medium, tap water can be used as the liquid fire extinguishing medium, and austenitic stainless steel can be used as the gaseous fire extinguishing medium storage device 11 and the liquid fire extinguishing medium storage device 12; the power output unit 2 comprises two sets of power output devices 21, both of which can adopt a commercially available high-pressure plunger pump or a nitrogen gas driving bottle, when the plunger pump is adopted, the inlet of the plunger pump is connected with the outlet of the fire extinguishing medium storage device, and when the nitrogen gas driving bottle is adopted, the outlet of the nitrogen gas driving bottle is connected with the inlet of the fire extinguishing medium storage device. The control unit 3 comprises at least one set of output parameter control module 31 to control the output pressure and flow of the plunger pump or nitrogen-driven bottle. The delivery line and the atomizing unit 4 comprise a fire extinguishing medium delivery line and an atomizing nozzle 41, wherein the fire extinguishing medium delivery line can be made of 316L stainless steel, the atomizing nozzle 41 can be a commercially available two-fluid atomizing nozzle, and the two-fluid atomizing nozzle comprises two inlet holes which are respectively connected with two fire extinguishing medium delivery lines of gas and liquid. The operation parameter monitoring unit 5 integrates the sensor monitoring values of all equipment units, and feeds data back to the output parameter control module 31 in real time, so that the integral linkage function of the fire extinguishing device is realized.
The gas-liquid double-fluid mixed atomization fire extinguishing device provided by the embodiment of the disclosure stores the gas fire extinguishing medium and the liquid fire extinguishing medium separately according to the characteristics of the fire extinguishing medium, adopts two pipelines to transport the fire extinguishing medium respectively, the two-fluid mixing atomization spray head is used for mixing, the two extinguishing mediums which can not be mutually dissolved are premixed in proportion by controlling power output parameters, the sprayed high-boiling point gas extinguishing medium can be quickly gasified after being released to a limited closed space, the whole space is filled with the extinguishing medium, and the fire is extinguished with lower extinguishing concentration, meanwhile, the sprayed water mist has the effects of radiation attenuation, smoke elimination, continuous cooling and the like, integrates the advantages of gas-liquid mixed fire extinguishing media, can overcome the defects of poor small fire extinguishing capability, easiness in being shielded by barriers and large water consumption when the existing pure water mist fire extinguishing device is applied, and effectively improves the fire extinguishing efficiency of the gas-liquid mixed atomized fire extinguishing device. In addition, the structure of the gas-liquid double-fluid mixing atomization fire extinguishing device can be optimized, the functions can be expanded, a clean and efficient fire extinguishing method is provided for developing fire extinguishing devices in limited spaces, effective guidance can be provided for multifunctional structure research and device development of the gas-liquid mixing fire extinguishing device, and the gas-liquid double-fluid mixing atomization fire extinguishing device can be widely applied to fire extinguishing in various limited spaces.
On the basis of the above embodiments, the embodiments of the present disclosure further provide a gas-liquid two-fluid mixed atomization fire extinguishing method, which can be implemented by using any one of the fire extinguishing apparatuses in the above embodiments, so that the fire extinguishing method also has the beneficial effects of the fire extinguishing apparatus in the above embodiments, and the same points can be understood by referring to the above explanation of the fire extinguishing method, and will not be described in detail below.
Exemplarily, fig. 2 is a schematic flow chart of a gas-liquid two-fluid mixing atomization fire extinguishing method provided by an embodiment of the present disclosure. With reference to fig. 1 and 2, the fire extinguishing method comprises:
and S61, the control unit starts the fire extinguishing device according to the fire alarm signal.
S62, the power output unit transfers the fire extinguishing medium in the gas fire extinguishing medium storage device and/or the liquid fire extinguishing medium storage device to the atomizing nozzle through the fire extinguishing medium conveying pipe network under the regulation and control of the control unit.
S63, the atomizing spray head sprays out the gaseous extinguishing medium and/or the liquid extinguishing medium.
Wherein the grain diameter of the atomized particles sprayed by the atomizing spray head is less than or equal to 400 microns.
S64, the operation parameter monitoring unit collects the working parameters of the fire extinguishing medium storage unit, the power output unit, the control unit, the conveying pipeline and the atomization unit so as to monitor the working state of the fire extinguishing device.
With reference to fig. 1, the flow of the gas-liquid two-fluid mixed atomization fire extinguishing method provided in this embodiment is as follows: the control unit 3 monitors the primary circuit (i.e., the high-voltage side circuit) and the secondary circuit (i.e., the low-voltage side circuit), and when the fire alarm system sends a fire alarm signal in the limited space, the control unit 3 starts the fire extinguishing apparatus. Specifically, the power output device 21 sucks or presses the fire extinguishing medium from the gas fire extinguishing medium storage device 11 and the liquid fire extinguishing medium storage device 12 into a fire extinguishing medium conveying pipe network, the fire extinguishing medium is collected at the position of the two-fluid mixing atomization nozzle 41 and is sprayed out after being atomized by the atomization nozzle 41, the high-boiling-point gas fire extinguishing agent is quickly gasified and changed into a gas state to cover the whole fire extinguishing subarea, the heat in the environment is absorbed, and the oxygen concentration is diluted; meanwhile, the water mist can isolate smoke, reduce the smoke concentration and continuously reduce the environmental temperature, and two fire extinguishing media of gas and liquid act simultaneously to realize efficient fire extinguishing.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A gas-liquid double-fluid mixing atomization fire extinguishing device is characterized by comprising a fire extinguishing medium storage unit, a power output unit, a control unit, a conveying pipeline, an atomization unit and an operation parameter monitoring unit;
the fire extinguishing medium storage unit comprises a gas fire extinguishing medium storage device and a liquid fire extinguishing medium storage device, the conveying pipeline and the atomization unit comprise a fire extinguishing medium conveying pipe network and an atomization nozzle, the power output unit is used for providing driving force, fire extinguishing medium in the gas fire extinguishing medium storage device and/or the liquid fire extinguishing medium storage device is conveyed to the atomization nozzle through the fire extinguishing medium conveying pipe network, and the particle size of atomized particles sprayed by the atomization nozzle is smaller than or equal to 400 micrometers; the control unit is used for regulating and controlling the working parameters of the power output unit, and the operating parameter monitoring unit is used for acquiring the working parameters of the fire extinguishing medium storage unit, the power output unit, the control unit and the conveying pipeline and the atomization unit so as to monitor the working state of the fire extinguishing device.
2. Fire extinguishing apparatus according to claim 1, wherein the power take-off unit comprises two separate sets of power take-offs for driving transfer of gaseous extinguishing medium in the gaseous extinguishing storage device and liquid extinguishing medium in the liquid extinguishing storage device, respectively.
3. The fire extinguishing apparatus of claim 2, wherein the power take-off provides the driving force in a pumping, externally stored pressure or internally stored pressure manner.
4. The fire extinguishing apparatus according to claim 3, wherein the control unit regulates and controls the output pressure and flow of the two sets of power output devices to achieve mixing of the gaseous extinguishing medium and the liquid extinguishing medium in a preset ratio.
5. The fire suppression apparatus of claim 1, wherein the atomizer head includes two inlets and at least one outlet;
the two inlets are respectively communicated with the gas fire extinguishing medium storage device and the liquid fire extinguishing medium storage device through the fire extinguishing medium conveying pipe network, and the outlets spray mixed fire extinguishing medium formed by mixing the liquid fire extinguishing medium and the gas fire extinguishing medium.
6. Fire extinguishing apparatus according to any one of claims 1 to 5, wherein the number of atomising spray heads is equal to or greater than 1.
7. Fire extinguishing apparatus according to any one of claims 1-5, wherein the liquid extinguishing medium comprises water and the gaseous extinguishing medium comprises a high boiling point gaseous extinguishing agent in a liquid state of storage.
8. The fire extinguishing apparatus of claim 7, wherein the high boiling point gas fire extinguishing agent is a perfluorohexanone fire extinguishing agent and the water is tap water or fire water.
9. Fire extinguishing apparatus according to claim 8, wherein the gaseous extinguishing medium storage means and the liquid extinguishing medium storage means are each of austenitic stainless steel and the extinguishing medium conveying piping network is of 316L stainless steel.
10. A gas-liquid two-fluid mixed atomized fire extinguishing method, characterized by being carried out by applying the fire extinguishing apparatus of any one of claims 1 to 9, the fire extinguishing method comprising:
the control unit starts the fire extinguishing device according to a fire alarm signal;
the power output unit transfers the fire extinguishing medium in the gas fire extinguishing medium storage device and/or the liquid fire extinguishing medium storage device to the atomizing spray head through the fire extinguishing medium conveying pipe network under the regulation and control of the control unit;
the atomizing spray head sprays out the gaseous extinguishing medium and/or the liquid extinguishing medium; wherein the particle diameter of the atomized particles sprayed by the atomizing spray head is less than or equal to 400 microns;
the operating parameter monitoring unit collects working parameters of the fire extinguishing medium storage unit, the power output unit, the control unit and the conveying pipeline and atomization unit so as to monitor the working state of the fire extinguishing device.
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