CN212067553U - S-shaped hot aerosol fire extinguishing system for large-scale thermal power plant - Google Patents
S-shaped hot aerosol fire extinguishing system for large-scale thermal power plant Download PDFInfo
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- CN212067553U CN212067553U CN202020451427.4U CN202020451427U CN212067553U CN 212067553 U CN212067553 U CN 212067553U CN 202020451427 U CN202020451427 U CN 202020451427U CN 212067553 U CN212067553 U CN 212067553U
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Abstract
This specification discloses an S type aerosol fire extinguishing systems for large-scale firepower power plant, fire extinguishing systems includes: fire alarm controller, input/output module and a plurality of mutually independent subregion fire extinguishing systems, each subregion fire extinguishing systems of fire alarm controller unified control, and pass through input/output module and main control center signal connection, wherein, each subregion fire extinguishing systems includes at least one protection point, subregion fire extinguishing systems includes some photoelectric smoke detector, some photoelectric moisture detector, emergency stop button, emergency release button, the pilot lamp of blowing, audible-visual annunciator, alarm bell, first extinguishing device, second extinguishing device, third extinguishing device, fourth extinguishing device. The fire extinguishing system realizes independent detection, alarm and fire extinguishing of each protection subarea through subarea management, each protection subarea is uniformly managed by the controller and fed back to the main control center, so that fire can be timely discovered, controlled and fed back, and the safety of a thermal power plant is ensured.
Description
Technical Field
The utility model relates to a fire extinguishing systems technical field particularly, relates to a S type steam colloidal sol fire extinguishing systems for large-scale firepower power plant.
Background
At present, most of the thermal power plants in China burn coal, accounting for about 80 percent, fuel oil accounts for 10 percent, and combustible gas only accounts for 1 percent. These fuels have fire hazards during handling, storage, transportation, preparation and combustion, and inadvertently create fires or explosions. The parts which are easy to have fire and explosion accidents mainly comprise: a coal storage yard, a coal transporting equipment system, a trestle belt and a boiler pulverized coal pulverizing system. Currently, the most of the designs of gas fire-extinguishing systems of several thermal power plants are an IG-541 gas fire-extinguishing system, a heptafluoropropane fire-extinguishing system and a carbon dioxide fire-extinguishing system. The IG-541 gas fire extinguishing system uses compressed gas, needs a pipe network to realize regional fire extinguishing, is particularly complex in transportation, installation, storage and use, and is low in economical efficiency; the gases released by the heptafluoropropane fire extinguishing system and the carbon dioxide fire extinguishing system increase the greenhouse effect to a certain extent, and people can not use the fire extinguishing system in a place with dense personnel because of life danger in the release environment, so the safety is not high.
In conclusion, the research on the fire extinguishing system of the thermal power plant with strong fire extinguishing performance, safety, environmental protection, economy and reasonability becomes the problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The present specification provides an S-shaped hot aerosol fire suppression system for large thermal power plants to overcome at least one technical problem in the prior art.
According to an embodiment of the present specification, there is provided an S-type hot aerosol fire extinguishing system for a large-scale thermal power plant, including: fire alarm controller, input/output module and a plurality of mutually independent subregion fire extinguishing systems, each subregion fire extinguishing systems of fire alarm controller unified control, and pass through input/output module and main control center signal connection, wherein, each subregion fire extinguishing systems includes at least one protection point, subregion fire extinguishing systems includes: the fire extinguishing device comprises a point type photoelectric smoke detector, a point type photoelectric humidity detector, an emergency stop button, an emergency release button, a blowing indicator lamp, an audible and visual alarm, an alarm bell, a first fire extinguishing device, a second fire extinguishing device, a third fire extinguishing device and a fourth fire extinguishing device; the point type photoelectric smoke detector and the point type photoelectric moisture detector are serially arranged above the geometry of each protection point of the subarea where the point type photoelectric smoke detector and the point type photoelectric moisture detector are arranged, and are in signal connection with the fire alarm controller; the emergency stop button is in signal connection with the fire alarm controller, and the emergency release button is in signal connection with the fire alarm controller; the first fire extinguishing device, the second fire extinguishing device, the third fire extinguishing device and the fourth fire extinguishing device are arranged around each protection point of the subarea, are respectively in signal connection with the fire alarm controller and are respectively in signal connection with the blowing indicator lamp; the first fire extinguishing device is in signal connection with the second fire extinguishing device, the second fire extinguishing device is in signal connection with the third fire extinguishing device, and the first fire extinguishing device is provided with a feedback signal to the fire alarm controller; the blowing indicator light is in signal connection with the audible and visual alarm, the blowing indicator light is in signal connection with the fire alarm controller, and the audible and visual alarm is in signal connection with the alarm bell; the first fire extinguishing device, the second fire extinguishing device, the third fire extinguishing device and the fourth fire extinguishing device are S-shaped hot aerosol fire extinguishing devices.
Optionally, each zone of the fire suppression system has a fire suppression density of 140g/m 3.
Optionally, the first fire suppression apparatus, the second fire suppression apparatus, the third fire suppression apparatus, and the fourth fire suppression apparatus are spaced no more than 10 meters apart.
Optionally, the fourth fire suppression apparatus has a smaller amount of fire suppression agent than the first, second, and third fire suppression apparatuses.
The beneficial effects of the embodiment of the specification are as follows:
the embodiment of the specification provides an S type steam sol fire extinguishing system for large-scale firepower power plant, fire extinguishing system includes fire alarm controller, input/output module and a plurality of mutually independent subregion fire extinguishing systems, each subregion fire extinguishing system is provided with a plurality of S type steam sol extinguishing devices, according to the concrete structure of steam power plant, set up a plurality of fire protection subregions, through the subregion management, realize the solitary detection of every protection subregion, report to the police and put out a fire, do not influence other defence areas, manage each defence area by fire alarm controller is unified, and feed back to the main control center in the very first time, reach the in time discovery to the conflagration condition, in time control, in time feedback, for the safety in production of firepower plant, equipment safety protection drives the protection navigation.
The innovation points of the embodiment of the specification comprise:
1. in the embodiment, an S-shaped hot aerosol fire extinguishing system for a large-scale thermal power plant is provided, the fire extinguishing system comprises a fire alarm controller, an input/output module and a plurality of mutually independent subarea fire extinguishing systems, each subarea fire extinguishing system is provided with a plurality of S-shaped hot aerosol fire extinguishing devices, a plurality of fire protection subareas are arranged according to the specific structure of a thermal power plant, independent detection, alarm and fire extinguishing of each protection subarea are realized through subarea management, other protection subareas are not influenced, each protection subarea is uniformly managed by the fire alarm controller and is fed back to a main control center at the first time, timely discovery, timely control and timely feedback of fire conditions are achieved, and the S-shaped hot aerosol fire extinguishing system is one of innovation points of the embodiment of the specification.
2. In the embodiment, the S-shaped hot aerosol fire extinguishing device is adopted in a plurality of mutually independent subarea fire extinguishing systems, the damage degree of the S-shaped hot aerosol to ozone is zero, no residue exists after spraying, almost no greenhouse effect is generated, and no pollution is caused to the environment. In addition, the aerosol is provided with the oxidant in the formula, so that the reaction does not depend on oxygen in the air, the oxygen concentration in the air is not reduced, and the aerosol is harmless to human bodies. In addition, from the analysis of transportation, installation and economy, the S-shaped hot aerosol is stored at a solid state under normal pressure, and a pipe network does not need to be installed, so that the transportation and installation are simple and convenient, and the maintenance cost is low or basically none. Compared with the fire extinguishing device in the prior art, the S-shaped hot aerosol has better performance in environmental protection, safe use and economy, and the S-shaped hot aerosol fire extinguishing device is one of the innovation points of the embodiment of the specification.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a fire extinguishing system with zones for an S-shaped hot aerosol fire extinguishing system of a large-scale thermal power plant according to an embodiment of the present disclosure;
in FIG. 1, 110-fire alarm controller; 120-input-output module; 130-point type photoelectric smoke detector; 140-point type photoelectric moisture-sensing detector; 150-emergency stop button; 160-emergency release button; 170-a gas blowing indicator light; 180-audible and visual alarm; 190-alarm bell; 200-a first fire suppression device; 210-a second fire suppression device; 220-a third fire suppression device; 230-fourth fire suppression means.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only some embodiments of the present disclosure, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
It should be noted that the terms "including" and "having" and any variations thereof in the embodiments of the present specification and the drawings are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
The embodiment of the specification discloses an S-shaped hot aerosol fire extinguishing system for a large-scale thermal power plant.
The details will be described below.
The S-type hot aerosol is an aerosol with fire extinguishing property generated by a hot aerosol fire extinguishing generating agent through oxidation-reduction reaction, and the fire extinguishing mechanism is cooling and chemical combustion inhibition. The fire and explosion accidents of the thermal power plant may occur in the following places: boiler combustion system, powder process system, steam turbine oil system, power transformer, distribution room, cable system between the electronic equipment. The fire extinguishing method is characterized in that each system which is possibly in fire in a thermal power plant is partitioned according to experience, and protection points are arranged in each partition so as to realize independent detection, alarm and fire extinguishing of each protection partition without influencing other defense areas, so that the partitioned fire extinguishing system for the S-shaped hot aerosol fire extinguishing system of the large-scale thermal power plant is established.
Fig. 1 is a schematic structural diagram of a fire extinguishing system with zones for an S-shaped hot aerosol fire extinguishing system of a large-scale thermal power plant according to an embodiment of the present disclosure. As shown in fig. 1, an S-type hot aerosol fire extinguishing system for a large-scale thermal power plant includes: fire alarm controller 110, input/output module 120 and a plurality of mutually independent subregion fire extinguishing systems, each subregion fire extinguishing systems of fire alarm controller 110 unified control, and pass through input/output module 120 and main control center signal connection, each subregion fire extinguishing systems includes at least one protection point, subregion fire extinguishing systems includes: the fire extinguishing system comprises a point type photoelectric smoke detector 130, a point type photoelectric moisture detector 140, an emergency stop button 150, an emergency release button 160, a blowing indicator lamp 170, an audible and visual alarm 180, an alarm bell 190, a first fire extinguishing device 200, a second fire extinguishing device 210, a third fire extinguishing device 220 and a fourth fire extinguishing device 230; the point-type photoelectric smoke detector 130 and the point-type photoelectric moisture detector 140 are serially arranged above the geometry of each protection point of the partition where the point-type photoelectric smoke detector and the point-type photoelectric moisture detector are located, and are in signal connection with the fire alarm controller 110; the emergency stop button 130 is in signal connection with the fire alarm controller 110, and the emergency release button 160 is in signal connection with the fire alarm controller 110; the first fire extinguishing device 200, the second fire extinguishing device 210, the third fire extinguishing device 220 and the fourth fire extinguishing device 230 are arranged around each protection point of the subarea, are respectively in signal connection with the fire alarm controller 110 and are respectively in signal connection with the blowing indicator lamp 170; the first fire extinguishing apparatus 200 is in signal connection with the second fire extinguishing apparatus 210, the second fire extinguishing apparatus 210 is in signal connection with the third fire extinguishing apparatus 220, and the first fire extinguishing apparatus 200 is provided with a feedback signal to the fire alarm controller 110; the blowing indicator lamp 170 is in signal connection with the audible and visual alarm 180, the blowing indicator lamp 170 is in signal connection with the fire alarm controller 110, and the audible and visual alarm 180 is in signal connection with the alarm bell 190; the first fire extinguishing apparatus 200, the second fire extinguishing apparatus 210, the third fire extinguishing apparatus 220, and the fourth fire extinguishing apparatus 230 are S-shaped aerosol fire extinguishing apparatuses.
According to experience, each system of the thermal power plant, which is easy to generate fire, is partitioned, protection points are arranged in each partition, each protection point is arranged, the fire extinguishing system is partitioned, smoke and humidity around the protection points are monitored through corresponding detectors, the fire alarm receives signals of the detectors and controls the alarm device and the fire extinguishing device, and fire monitoring and fire control of the protection points are achieved. And then the independent management of each partition is realized, and the data is fed back to the main control center at the first time, so that the production safety of the thermal power plant is guaranteed.
In a specific embodiment, the fire suppression density of each zone of the fire suppression system is 140g/m 3. Synthesize the requirement to the density of putting out a fire under the circumstances such as electrical equipment room, cable tunnel, select comparatively suitable density of putting out a fire, both guaranteed fire control effect, also guaranteed the economic nature that extinguishing device arranged.
In a specific embodiment, the first fire suppression apparatus 200, the second fire suppression apparatus 210, the third fire suppression apparatus 220, and the fourth fire suppression apparatus 230 are spaced apart by no more than 10 meters. In order to realize timely response to unknown fire conditions, the distance between the fire extinguishing devices of each protection point is not more than 10 meters.
In a specific embodiment, the amount of fire extinguishing agent used by the fourth fire extinguishing means 230 is less than the amount of fire extinguishing agent used by the first fire extinguishing means 200, the second fire extinguishing means 210 and the third fire extinguishing means 220. The fourth fire extinguishing apparatus 230 is used as a spare fire extinguishing apparatus for the first fire extinguishing apparatus 200, the second fire extinguishing apparatus 210 and the third fire extinguishing apparatus 220, and the amount of fire extinguishing agent is less than that of other fire extinguishing apparatuses, so that the spare protection effect is achieved, and the resources are properly saved.
To sum up, this specification embodiment provides an S type steam colloidal sol fire extinguishing systems for large-scale thermal power plant, fire extinguishing systems includes fire alarm controller, input/output module and a plurality of mutually independent subregion fire extinguishing systems, and each subregion fire extinguishing systems is provided with a plurality of S type steam colloidal sol extinguishing device, sets up each system of easily firing in the thermal power plant into a plurality of conflagration protection subregions, respectively protects the subregion through the unified management of fire alarm controller to feed back to the main control center in the very first time, realize that every protects the solitary detection of subregion, report to the police and put out a fire, in time discover and eliminate the conflagration hidden danger, ensure thermal power plant' S safety in production.
Those of ordinary skill in the art will understand that: the figures are schematic representations of one embodiment, and the blocks or processes in the figures are not necessarily required to practice the present invention.
Those of ordinary skill in the art will understand that: modules in the devices in the embodiments may be distributed in the devices in the embodiments according to the description of the embodiments, or may be located in one or more devices different from the embodiments with corresponding changes. The modules of the above embodiments may be combined into one module, or further split into multiple sub-modules.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (4)
1. An S-shaped hot aerosol fire extinguishing system for a large-scale thermal power plant, characterized by comprising: fire alarm controller, input/output module and a plurality of mutually independent subregion fire extinguishing systems, each subregion fire extinguishing systems of fire alarm controller unified control, and pass through input/output module and main control center signal connection, wherein, each subregion fire extinguishing systems includes at least one protection point, subregion fire extinguishing systems includes:
the fire extinguishing device comprises a point type photoelectric smoke detector, a point type photoelectric humidity detector, an emergency stop button, an emergency release button, a blowing indicator lamp, an audible and visual alarm, an alarm bell, a first fire extinguishing device, a second fire extinguishing device, a third fire extinguishing device and a fourth fire extinguishing device;
the point type photoelectric smoke detector and the point type photoelectric moisture detector are serially arranged above the geometry of each protection point of the subarea where the point type photoelectric smoke detector and the point type photoelectric moisture detector are arranged, and are in signal connection with the fire alarm controller;
the emergency stop button is in signal connection with the fire alarm controller, and the emergency release button is in signal connection with the fire alarm controller;
the first fire extinguishing device, the second fire extinguishing device, the third fire extinguishing device and the fourth fire extinguishing device are arranged around each protection point of the subarea, are respectively in signal connection with the fire alarm controller and are respectively in signal connection with the blowing indicator lamp; the first fire extinguishing device is in signal connection with the second fire extinguishing device, the second fire extinguishing device is in signal connection with the third fire extinguishing device, and the first fire extinguishing device is provided with a feedback signal to the fire alarm controller;
the blowing indicator light is in signal connection with the audible and visual alarm, the blowing indicator light is in signal connection with the fire alarm controller, and the audible and visual alarm is in signal connection with the alarm bell;
the first fire extinguishing device, the second fire extinguishing device, the third fire extinguishing device and the fourth fire extinguishing device are S-shaped hot aerosol fire extinguishing devices.
2. The system of claim 1, wherein each zone of the fire suppression system has a fire suppression density of 140g/m 3.
3. The system of claim 1, wherein the first fire suppression apparatus, the second fire suppression apparatus, the third fire suppression apparatus, and the fourth fire suppression apparatus are spaced no more than 10 meters apart.
4. The system of claim 1, wherein the fourth fire suppression apparatus has a smaller fire suppression agent usage than the first, second, and third fire suppression apparatuses.
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| CN202020451427.4U CN212067553U (en) | 2020-03-31 | 2020-03-31 | S-shaped hot aerosol fire extinguishing system for large-scale thermal power plant |
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| CN202020451427.4U CN212067553U (en) | 2020-03-31 | 2020-03-31 | S-shaped hot aerosol fire extinguishing system for large-scale thermal power plant |
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