CN208893520U - Deep underground fire-fighting system - Google Patents

Deep underground fire-fighting system Download PDF

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Publication number
CN208893520U
CN208893520U CN201821096379.0U CN201821096379U CN208893520U CN 208893520 U CN208893520 U CN 208893520U CN 201821096379 U CN201821096379 U CN 201821096379U CN 208893520 U CN208893520 U CN 208893520U
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China
Prior art keywords
fire
valve
alarm
compressor
seperator
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Expired - Fee Related
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CN201821096379.0U
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Chinese (zh)
Inventor
季翔
龚亚西
王勇
夏健
程珊珊
梁鑫斌
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China University of Mining and Technology CUMT
Suzhou University of Science and Technology
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China University of Mining and Technology CUMT
Suzhou University of Science and Technology
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Abstract

The utility model discloses a kind of deep underground fire-fighting systems, it is characterised in that: including new air circulating system, gas separation and storage device, CO2 extinguishment system;New air circulating system includes aeration device;Gas separation and storage device are set to building external, including computer room and the repository being connected with computer room;CO2 extinguishment system is set to inside basement, including extinguishing device and warning device;Extinguishing device includes the first alarm valve, and extinguishing device is connected by the first alarm valve with warning device;Computer room includes compressor, seperator;Aeration device is connected to compressor by seperator;First alarm valve is connected with seperator.The utility model improves interior space quality muddy in the underground space using safe, reliable performance, economic and environment-friendly, and guarantee is quickly and effectively put out a fire.

Description

Deep underground fire-fighting system
Technical field
The utility model relates to structural fire protection technical field, specifically a kind of deep underground fire-fighting system.
Background technique
Modern architecture fire prevention has tended to be mature, and ground fire-putting-out utensil mainly includes at present: fire extinguisher of heptafluoropropane, Carbon dioxide extinguisher, dry powder extinguisher, carbon tetrachloride fire extinguisher, foam annihilator, water-type extinguisher etc., mid-water type fire extinguishing Device is by large-scale use.1) it is different from earth's surface to build, the space's speciality of the underground space especially deep underground determines that it is not suitable for Large-scale use water type fire-extinguishing apparatus, one supplies water and drains inconvenience, is unfavorable for faster fire extinguishing and personnel withdraw rapidly;Its Secondary excessive ponding be easy to cause the routes such as circuit, communication to damage, and induces secondary harm.2) dry powder extinguisher dust is big, recrudescence rate Higher, only go out surface-fire, and spray post-processing is difficult, the initial fire disaster for the solid matter that can save, but is not suitable for precision instrument and precision Electric appliance and Deep Underground Space.3) contain a certain amount of water in fire foam, so charging equipment of saving, Yi Jiji cannot be used to Fire caused by aqueous substance.4) carbon tetrachloride fire extinguisher is a kind of old fire product, and not only fire-fighting efficiency is low, but also is being put out a fire When due to high temperature effect, generate toxic phosgene, belong to asphyxiating agents, it is all harmful to people and animals.In addition, deep underground is in addition to face Face this problem of safety and calamity reducing, room ventilation is also that the major issue faced is badly in need of in our the following underground engineering exploitations.
In general, fire is divided into 5 seed types, and 1) A class fire: refer to solid matter fire, such as timber, cotton, hair, fiber crops, paper;2) B class fire: refer to the solid matter fire of liquid fire and meltability, such as gasoline, kerosene, crude oil, methanol, ethyl alcohol, pitch;3) C fire: referring to gas fire, such as coal gas, natural gas, methane, propane, acetylene, hydrogen;4) D class fire: referring to metallic fires, as potassium, The fire of the burnings such as sodium, magnesium, titanium, zirconium, lithium, almag;5) E class fire: refer to appliance fire.Because carbon dioxide is more suitable It shares in fighting B, C, E class fire.
Summary of the invention
For the defect for solving the above-mentioned prior art, the utility model is deeper subsurface, such as oil gas library, high-grade, precision and advanced laboratory Space, Place provides a kind of deep underground fire-fighting system using safe, reliable performance, economic and environment-friendly.
The technical solution adopted in the utility model: deep underground fire-fighting system, including new air circulating system, gas separation and Storage device, CO2 extinguishment system;The new air circulating system includes aeration device;The gas separation and storage device It is set to building external, including computer room and the repository being connected with computer room;The CO2 extinguishment system is set to basement Inside, including extinguishing device and warning device;The extinguishing device includes the first alarm valve, and the extinguishing device passes through the first report Alert valve is connected with warning device;The computer room includes compressor, seperator;The aeration device is connected to compression by seperator Machine;First alarm valve is connected with seperator.
Preferably, the new air circulating system further includes air inlet, air outlet and return air inlet;The aeration device includes sky Gas exchanger, electrostatic dust removal filter case and exhaust fan;Described air inlet one end is connect by pipeline with ground, the other end and sky Gas exchanger is connected;The air outlet is installed on indoor roof side wall position, and the return air inlet is installed below indoor wall;Institute State air outlet, return air inlet is connected with exhaust fan respectively.
Preferably, the computer room also includes cooler, the second alarm valve, seperator, second pressure sensor, cooling tube; Described compressor one end is connected with cooler, and the other end is connected with cooling tube;Described seperator one end is connected with the second alarm valve, The other end is connected with second pressure sensor;The cooler is connected with the second alarm valve;The cooling tube, second pressure sensing Device is separately connected transport pipeline.
Preferably, the repository includes compressed air library, conversion storehouse, underground shaft, ground line road junction;The ground line Road junction is connected to conversion storehouse by underground shaft, and described conversion storehouse one end is connected to compressed air library, other end connection transportation pipe Road.
Preferably, the extinguishing device further includes smoke inductor, fire hydrant, applicator and end experimental rig;Institute It states fire hydrant, applicator and passes through smoke inductor respectively and be connected to the first alarm valve;The warning device includes fire alarm Device, first pressure sensor and intelligent controller;The fire-alarm is connected to intelligent control by first pressure sensor Device, the intelligent controller and the connection of the first alarm valve.
Preferably, the fire hydrant is mounted on the metope part of building traffic part;The applicator is mounted on function The roof in property room.
Preferably, the compressor include compressed air inlet, it is a cooler, condensation-water drain, radiator, secondary cold But device, gas-liquid separator, high-low pressure protective switch, refrigerant low-pressure meter, repair charging valve, be cold medium compressor, pipeline opening, dried Filter, expansion valve, flow rate regulating valve, exhaust outlet.Described compressed air inlet one end is connected with a cooler, the other end with it is cold But pipe is connected, and is connected to transport pipeline;Described condensation-water drain one end and radiator, the other end are connected with a cooler; The recoler is connected with radiator;Described gas-liquid separator one end is connected with recoler, and the other end is connected with two A branch line, wherein a branch line is connected with refrigerant low-pressure meter, another branch line is connected with high-low pressure protective switch;It is described to repair Reason charging valve is connected with refrigerant low-pressure meter;Described cold medium compressor one end is connected with charging valve is repaired, and the other end and pipeline opening connect It connects;Described device for drying and filtering one end is connected with high-low pressure protective switch, and the other end is connect with expansion valve;The flow regulator one End is connected with exhaust outlet, and the other end is connected with expansion valve.
The utility model has the beneficial effects that this system globe area fire-fighting fire extinguishing uses function with two kinds of ventilation, first, adopting Improve interior space quality muddy in the underground space with fresh air system;Second, common using CO 2 technology Water pump fire extinguishing, can guarantee quickly and effectively to put out a fire in the enclosure space of deeper subsurface, neither destruction indoor environment, reduce each The expense of kind security risk and secondary decoration, also hinders the stream of people to withdraw rapidly from excess surface water.
Detailed description of the invention
Fig. 1 is the utility model overall construction drawing;
Fig. 2 is computer room schematic internal view;
Fig. 3 is repository schematic internal view;
Fig. 4 is compressor schematic internal view;
Fig. 5 is aeration device schematic diagram;
Fig. 6 is the utility model principle figure;
Figure label explanation: 1, air inlet, 2, aeration device, 3, air outlet, 4, return air inlet, 5, computer room, 6, repository, 7, First alarm valve, 8, smoke inductor, 9, fire hydrant, 10, applicator, 11, end experimental rig, 12, fire-alarm, 13, first pressure sensor, 14, intelligent controller, 15, compressor, 16, cooler, the 17, second alarm valve, 18, seperator, 19, second pressure sensor, 20, cooling tube, 21, compressed air library, 22, conversion storehouse, 23, underground shaft, 24, surface duct Mouthful, 25, transport channel, 26, compressed air inlet, 27, coolers, 28, condensation-water drain, 29, radiator, 30, secondary Cooler, 31, gas-liquid separator, 32, high-low pressure protective switch, 33, refrigerant low-pressure meter, 34, repairing charging valve, 35, refrigerant pressure Contracting machine, 36, pipeline opening, 37, device for drying and filtering, 38, expansion valve, 39, flow rate regulating valve, 40, exhaust outlet, 41, brethaid, 42, electrostatic dust removal filter case, 43, exhaust fan.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer The attached drawing of type embodiment, the technical solutions in the embodiments of the present invention are clearly and completely described, it is clear that described Embodiment be the utility model a part of the embodiment, instead of all the embodiments.Usually describes and show in attached drawing here The component of the utility model example out can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but be merely representative of be the utility model selected embodiment.It is practical based on this experiment Novel embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts Example, fall within the protection scope of the utility model.
Embodiment
As shown in figures 1 to 6, deep underground fire-fighting system, including new air circulating system, gas separation and storage device, CO2 extinguishment system;New air circulating system penetratingly descends indoor and outdoor to be arranged;Gas separation and storage device are set to building Outside, and be connected with new air circulating system;CO2 extinguishment system is set to inside basement, and is separated and stored with gas Device is connected.
As shown in Figure 1 and Figure 5, new air circulating system includes air inlet 1, aeration device 2, air outlet 3 and return air inlet 4;Newly Wind apparatus 2 includes brethaid 41, electrostatic dust removal filter case 42 and exhaust fan 43;1 one end of air inlet passes through pipeline and ground Face connection, the other end are connected with brethaid 41;Air outlet 3 is installed on indoor roof side wall position, and return air inlet 4 is installed on room Below inner wall surface, because fresh air quantity is lighter than turbid air, this installation is reciprocal convenient for air circulation;Exhaust fan 43 and air-supply Mouth 3 and return air inlet 4 are respectively connected with.
As shown in Figure 1, gas separation and storage device include computer room 5 and repository 6, and the two passes through 25 phase of transport channel Even, a complete entirety is constituted;As shown in Fig. 2, computer room 5 includes compressor 15, cooler 16, the second alarm valve 17, seperator 18, second pressure sensor 19, cooling tube 20;Described 15 one end of compressor is connected with cooler 16, the other end and cooling tube 20 It is connected;The cooling tube 20 is connected with transport pipeline 25;Described 18 one end of seperator is connected with the second alarm valve 17, the other end and Second pressure sensor 19 is connected;It is connected between the cooler 16, the second alarm valve 17;As shown in figure 3, repository 6 includes Compressed air library 21, conversion storehouse 22, underground shaft 23, ground line road junction 24;The ground line road junction 24 passes through underground shaft 23 It is connected to conversion storehouse 22, described 22 one end of conversion storehouse is connected to compressed air library 21, and the other end passes through transport pipeline for extinguishant Matter transports conflagration area.Wherein, as shown in figure 4, compressor 15 includes the cooler 27 of compressed air inlet No. 26, one times, condensation Water out 28, recoler 30, gas-liquid separator 31, high-low pressure protective switch 32, refrigerant low-pressure meter 33, is repaired radiator 29 Manage charging valve 34, cold medium compressor 35, pipeline opening 36, device for drying and filtering 37, expansion valve 38, flow rate regulating valve 39, exhaust outlet 40. 26 one end of compressed air inlet is connected with a cooler 27, and the other end is connected with cooling tube 20, and is connected to transport pipeline 25;It is cold Condensate exports 28 one end and radiator 29, and the other end is connected with a cooler 27;29 phase of recoler 30 and radiator Even;31 one end of gas-liquid separator is connected with recoler 30, and there are two branch lines for other end connection, wherein a same refrigerant of branch line Low-pressure meter 33 is connected, and another branch line is connected with high-low pressure protective switch 32;Repair charging valve 34 and refrigerant low-pressure meter 33 It is connected;35 one end of cold medium compressor is connected with charging valve 34 is repaired, and the other end is connect with pipeline opening 36;37 one end of device for drying and filtering It is connected with high-low pressure protective switch 32, the other end is connect with expansion valve 38;39 one end of flow regulator is connected with exhaust outlet 40, separately One end is connected with expansion valve 38.
Compressor 15 controls air muddy in the lower interior space that the lands conversion and gas-liquid from gas to liquid form point From air enters compressed air inlet 42 from return air inlet 4, and the fire-suppressant gas to have liquefied is discharged by pipeline opening 36, and is discharged into transport In channel 25, it is eventually stored in compressed air library 21;Other gases equally discharge into transport channel 25 from exhaust outlet 40, via Storehouse 22, underground shaft 23, ground line road junction 24 are converted, earth's surface is finally drained into.Wherein contain three root canals in 25 pipeline of transport channel Road, the fire-suppressant gas for having distinguished conveying liquified, three kinds of substances of other gases and condensed water, as pipeline opening 36,40 and of exhaust outlet Condensation-water drain 28.
Gas separation and the fire-fighting of the storage device control multiple interior construction spacings in deep underground, therefore computer room 5 and storage Library 6 is preferably set to building external, when carbon dioxide leakage occurs under no fire condition, convenient for directly arranging to earth's surface harm reduction.
As shown in Figure 1, CO2 extinguishment system includes extinguishing device and warning device;Extinguishing device includes the first alarm Valve 7, smoke inductor 8, fire hydrant 9, applicator 10 and end experimental rig 11;Warning device include fire-alarm 12, First pressure sensor 13 and intelligent controller 14;Extinguishing device is connected by the first alarm valve 7 with warning device, the first alarm Valve 7 is connected with seperator 18;Fire hydrant 9, applicator 10 are connected to the first alarm valve 7 by smoke inductor 8 respectively;Fire Alarm 12 is connected to intelligent controller 14, intelligent controller 14 and the connection of the first alarm valve 7 by first pressure sensor 13. The model GST-LD-8305 that intelligent controller 14 uses in the present embodiment.Fire hydrant 9 and applicator 10 are according to fire safety rules Requirement with fire compartment is separately mounted to the roof parts in the metope part of building traffic part, functional room.
In CO2 extinguishment system, intelligent controller 14 is powered to first pressure sensor 13.Intelligent controller 14 connects It receives fire signal and fire-alarm 12 is started by the first alarm valve 7, smoke inductor 8 and issue fire alarm signal, or is logical Cross extinguishing device starting fire hydrant 9, applicator 10 and fire protection linkage control equipment.
When fire behavior occurs, smoke inductor 8 receives smoke signal, and intelligent controller 14 starts fire-extinguishing apparatus, dioxy Change carbon to transport from the compressed air library 21 in repository 6, by conversion storehouse 22, transport channel 25, along the route of fresh air pipeline Direction is transported to fire alarm region from one in 18 liang of root canal roads of seperator, is discharged by fire hydrant 9, applicator 10, when 21 transport liquid carbon dioxide of compressed air library is put out a fire to the region that catches fire, this process can change the pressure balance in pipeline, is touched First pressure sensor 13, so that fire alarm 12 is alarmed, personnel are withdrawn rapidly.
Whether end experimental rig 11 installs standby to detect fireproofing installation in each fire compartment, and whether pipeline is unimpeded, Functional areas normal use is not influenced simultaneously.End experimental rig is installed on fire-fighting fire extinguishing equipment end, to detect interlude pipe Whether road is unimpeded not to be blocked, such as device can normally be incuded, early warning, spray work, illustrate a whole set of journey of system Sequence and zero defect.
As shown in figure 5, the aeration device 2 in new air circulating system crosses the ash in air filtering to exchange indoor and outdoor air Trifle in the world matter, first air adjust the temperature difference from the air heat exchanger 41 that air inlet 1 enters in aeration device 2, enter back into electrostatic and remove In dirt Rose Box 42, infinitely small dust is filtered, then air passes through exhaust fan 43, enters the underground space by air outlet 3;Most Afterwards, as shown in Fig. 2, Fig. 3 and Fig. 5, muddy indoor gas returns to new air circulating system 2 from return air inlet 4 again, then by seperator 18, cooler 16,15 liquefaction separation of compressor are stored in compressed air library 21, use when encountering fire behavior with defence.
Second alarm valve 17 and second pressure sensor 19 monitor pipeline internal pressure dynamic balance, when liquid dioxy in repository 6 Cool down after changing the anti-flow ipe of carbon gasification through cooling tube 20, prevents pressure change from causing security risk.
As shown in Fig. 2, fresh air is moved towards are as follows: fresh air reaches seperator by second pressure sensor 19 from transport pipeline 25 18, then be discharged from air outlet 3;Return air trend are as follows: return air enters seperator 18 from return air inlet 4, by the second alarm valve 17, cold But machine 16, compressor 15, cooling tube 20 reach transport pipeline 25.
The course of work is as follows:
1) fresh air by ground line road junction 24 enter underground shaft in 23, by conversion storehouse 22 by transport channel 25 into Enter interior to be discharged by air outlet 3;
2) muddy exhaust gas passes through the sucking aeration device 2 of return air inlet 4 again, and point in computer room 5 is entered via exhaust fan 43 Disembark 18 from return air line memory in compressed air library 21, can be called in time when so that fire occurs;
3) when fire occurs, the smoke inductor 8 in fire extinguishing system is touched, the early warning immediately of fire-alarm 12, intelligence It can control device 14 and control the unlatching of the first alarm valve 7, it is empty from compression rapidly that non-combustible gas is transferred in the variation of first pressure sensor 13 It transports in air reservoir 21, into fire generation area, is put out a fire by fire hydrant 9 and applicator 10;
4) when fire-suppressant gas is inadequate in compressed air library 21, ground fire fighter can be from ground line road junction 24, by ground Lower vertical shaft 23, conversion storehouse 22 convey extinguishing material down.
Two root canal roads are installed, a connection aeration device 2 provides fresh air in underground shaft 23;Another connection Underground storage library can be released to the ground when liquefied carbon dioxide gas excess or deficiency in container by ground line road junction 24 Put, or from ground transport carbon dioxide into container in.
Underground shaft 23 is equipped with seal approach, prevents computer room 5 from occurring leakage situation during the work time, or in outer masterpiece Structural damage is caused to it with lower, avoids the generation of security risk.
Intelligent controller 14 is a kind of fire alarm linking controller, is mainly used to the external fire-fighting such as starting fire pump and sets It applies.Intelligent controller is by heat detector, smoke detector, fire hydrant button, water flow indicator and manual pull station five It is grouped as.
The utility model proposes deep underground fire-fighting system structural system be divided into fresh air recycle unit, gas separation and deposit Storage device, carbon-dioxide fire engine equipment, three devices are connected two-by-two, constitute circulating system.Wherein carbon-dioxide fire engine equipment, new Two relative independent systems are integrated into an entirety to two autonomous systems of wind circulator by relative maturity, the utility model System, at the same solve the liquefaction of carbon dioxide with separate.
The above is only the better embodiment to the utility model, not makees any form to the utility model On limitation, all according to the technical essence of the utility model any simple modification made to the above embodiment, equivalent variations With modification, it is all within the scope of the technical scheme of the utility model.

Claims (7)

1. deep underground fire-fighting system, it is characterised in that: including new air circulating system, gas separation and storage device, titanium dioxide Carbon fire extinguishing system;
The new air circulating system includes aeration device (2);
The gas separation and storage device are set to building external, including computer room (5) and the repository being connected with computer room (5) (6);
The CO2 extinguishment system is set to inside basement, including extinguishing device and warning device;The extinguishing device Including the first alarm valve (7), the extinguishing device is connected by the first alarm valve (7) with warning device;
The computer room (5) includes compressor (15), seperator (18);The aeration device (2) is connected to by seperator (18) Compressor (15);First alarm valve (7) is connected with seperator (18).
2. deep underground according to claim 1 fire-fighting system, it is characterised in that: the new air circulating system further include into Air port (1), air outlet (3) and return air inlet (4);
The aeration device (2) includes brethaid (41), electrostatic dust removal filter case (42) and exhaust fan (43);
Described air inlet (1) one end is connect by pipeline with ground, and the other end is connected with brethaid (41);The air outlet (3) it is installed on indoor roof side wall position, the return air inlet (4) is installed below indoor wall;The air outlet (3), return air Mouth (4) is connected with exhaust fan (43) respectively.
3. deep underground according to claim 1 fire-fighting system, it is characterised in that:
The computer room (5) also comprising cooler (16), the second alarm valve (17), seperator (18), second pressure sensor (19), Cooling tube (20);Described compressor (15) one end is connected with cooler (16), and the other end is connected with cooling tube (20);The separation Machine (18) one end is connected with the second alarm valve (17), and the other end is connected with second pressure sensor (19);The cooler (16) It is connected with the second alarm valve (17);The cooling tube (20), second pressure sensor (19) are separately connected transport pipeline (25).
4. deep underground according to claim 1 fire-fighting system, it is characterised in that: the repository (6) includes that compression is empty Air reservoir (21), conversion storehouse (22), underground shaft (23), ground line road junction (24);The ground line road junction (24) is perpendicular by underground Well (23) is connected to conversion storehouse (22), and described conversion storehouse (22) one end is connected to compressed air library (21), other end connection transportation Pipeline (25).
5. deep underground according to claim 1 fire-fighting system, it is characterised in that: the extinguishing device further includes smog sense Answer device (8), fire hydrant (9), applicator (10) and end experimental rig (11);The fire hydrant (9), applicator (10) point Not Tong Guo smoke inductor (8) be connected to the first alarm valve (7);
The warning device includes fire-alarm (12), first pressure sensor (13) and intelligent controller (14);The fire Calamity alarm (12) is connected to intelligent controller (14) by first pressure sensor (13), the intelligent controller (14) and the One alarm valve (7) connection.
6. deep underground according to claim 5 fire-fighting system, it is characterised in that: the fire hydrant (9) is mounted on building The metope part of traffic part;The applicator (10) is mounted on the roof in functional room.
7. deep underground according to claim 1 fire-fighting system, it is characterised in that: the compressor (15) includes that compression is empty Gas entrance (26), a cooler (27), condensation-water drain (28), radiator (29), recoler (30), gas-liquid separator (31), high-low pressure protective switch (32), refrigerant low-pressure meter (33), repairing charging valve (34), cold medium compressor (35), pipeline opening (36), device for drying and filtering (37), expansion valve (38), flow rate regulating valve (39), exhaust outlet (40);The compressed air inlet (26) One end is connected with a cooler (27), and the other end is connected with cooling tube (20), and is connected to transport pipeline (25);The condensed water (28) one end and radiator (29) are exported, the other end is connected with a cooler (27);The recoler (30) and dissipate Hot device (29) is connected;Described gas-liquid separator (31) one end is connected with recoler (30), and the other end is connected there are two branch line, Wherein a branch line is connected with refrigerant low-pressure meter (33), and another branch line is connected with high-low pressure protective switch (32);It is described Charging valve (34) are repaired to be connected with refrigerant low-pressure meter (33);Described cold medium compressor (35) one end and repairing charging valve (34) phase Even, the other end is connect with pipeline opening (36);Described device for drying and filtering (37) one end is connected with high-low pressure protective switch (32), another End is connect with expansion valve (38);Described flow rate regulating valve (39) one end is connected with exhaust outlet (40), the other end and expansion valve (38) It is connected.
CN201821096379.0U 2018-03-29 2018-07-11 Deep underground fire-fighting system Expired - Fee Related CN208893520U (en)

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CN201820438535 2018-03-29
CN2018204385350 2018-03-29

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108635714A (en) * 2018-03-29 2018-10-12 中国矿业大学 A kind of deep underground fire-fighting system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108635714A (en) * 2018-03-29 2018-10-12 中国矿业大学 A kind of deep underground fire-fighting system
CN108635714B (en) * 2018-03-29 2023-06-13 中国矿业大学 Deep underground fire-fighting system

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Granted publication date: 20190524