CN212491224U - Dry-type fire-fighting system for closed coal yard - Google Patents
Dry-type fire-fighting system for closed coal yard Download PDFInfo
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- CN212491224U CN212491224U CN202021689909.XU CN202021689909U CN212491224U CN 212491224 U CN212491224 U CN 212491224U CN 202021689909 U CN202021689909 U CN 202021689909U CN 212491224 U CN212491224 U CN 212491224U
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Abstract
The utility model relates to a fire control technical field, concretely relates to seal dry-type fire extinguishing system for coal yard. The dry fire-fighting system for the closed coal yard comprises: the outdoor fire-fighting pipeline is suitable for being laid outdoors; a fire main adapted to be at least partially disposed within the coal shed and to maintain the interior evacuated in a non-operational state; the electrically operated valve is arranged close to the joint of the outdoor fire fighting pipeline and the fire fighting trunk pipe and is suitable for communicating the outdoor fire fighting pipeline with the fire fighting trunk pipe in a working state. The utility model provides a dry-type fire extinguishing system for closed coal yard through setting up outdoor fire control pipeline and fire control main pipe respectively to be connected outdoor fire control pipeline and fire control main pipe through the motorised valve, keep the inside evacuation of fire control main pipe under non-operating condition, avoid freezing the pipe, and make water be full of the fire control main pipe fast under operating condition, thereby be convenient for put out a fire, avoid owing to expose the fire control main pipe of ground part, the heat preservation measure effect of adoption does not cause well freezing the pipe.
Description
Technical Field
The utility model relates to a fire control technical field, concretely relates to seal dry-type fire extinguishing system for coal yard.
Background
At present, the types of automatic fire water monitor products on the market are gradually increased, and the automatic fire water monitor in the prior art is gradually popularized and applied in indoor building places such as markets, hospitals and the like; the closed coal yard is used as a storage place for dry coal, a large amount of dry coal is stored in the closed coal yard for a long time, and spontaneous combustion easily occurs under the condition of improper storage, so that an automatic fire water monitor is also required to be arranged under the working condition of the closed coal yard to prevent fire. However, most of the fire water monitor systems are wet systems, a fire inlet pipe is buried, an indoor fire pipeline is connected, a fire branch pipe is connected from the indoor fire pipeline and connected with a fire water monitor, and the fire branch pipe is insulated by rock wool; water is stored in the pipeline of the wet-type fire water monitor system for a long time, and when a fire disaster occurs, the pipeline filled with water supplies water to the fire monitor to extinguish the fire. The wet-type fire water monitor system does not affect normal use in the south, but in the north cold regions, even extremely cold regions, the fire branch pipes of the ground are exposed, the adopted heat insulation measures have poor effects, the pipes are easily frozen, and the fire fighting use is affected.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming among the prior art wet-type fire water monitor system's pipeline and causing the defect of freezing the pipe easily to a dry-type fire extinguishing system for closed coal yard that is difficult to cause freezing the pipe is provided.
In order to solve the technical problem, the utility model provides a pair of seal dry-type fire extinguishing system for coal yard, include:
the outdoor fire-fighting pipeline is suitable for being laid outdoors;
a fire main adapted to be at least partially disposed within the coal shed and to maintain the interior evacuated in a non-operational state;
and the electric valve is arranged close to the joint of the outdoor fire fighting pipeline and the fire fighting trunk pipe and is suitable for communicating the outdoor fire fighting pipeline and the fire fighting trunk pipe in a working state.
Further, the fire main includes:
the fire fighting inlet pipe is laid at a first height and is suitable for being directly or indirectly connected with the outdoor fire fighting pipeline;
the annular pipe network is laid at a second height and is suitable for being directly or indirectly communicated with the fire-fighting inlet pipe;
wherein the second height is higher than or equal to the first height.
Further, the annular pipe network is constructed as an endless pipe.
Furthermore, the fire-fighting trunk pipe also comprises a lifting pipe, and the lifting pipe is suitable for communicating the fire-fighting leading-in pipe with the annular pipe network.
Furthermore, a plurality of fire branch pipes are connected to the annular pipe network.
Furthermore, a fire monitor is connected to the fire branch pipe.
Furthermore, a plurality of exhaust valves are arranged on the annular pipe network, and the exhaust valves are higher than the second height.
Furthermore, at least one emptying valve is arranged on the fire fighting inlet pipe and is suitable for emptying the fire fighting trunk pipe after the electric valve is closed.
Further, the outdoor fire fighting pipeline comprises at least two.
Further, the fire monitor is installed below the packway on two sides of the central axis of the coal shed.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a dry-type fire extinguishing system is used in closed coal yard, through setting up outdoor fire pipeline and fire control main pipe respectively, and be connected outdoor fire pipeline and fire control main pipe through the motorised valve, keep the inside evacuation of fire control main pipe under non-operating condition, avoid freezing the pipe, and open the motorised valve under operating condition and make outdoor fire pipeline switch on with the fire control main pipe, make the water in the outdoor fire pipeline be full of the fire control main pipe fast, thereby be convenient for put out a fire, avoid because exposing the fire control main pipe of ground part, the heat preservation measure effect of adoption does not well cause freezing the pipe, influence the fire control and use.
2. The utility model provides a dry-type fire extinguishing system for closed coal yard, its fire control main pipe need not to adopt rock wool or other insulation material to keep warm, practices thrift the cost on the one hand, and on the other hand can prevent to freeze, guarantees that fire extinguishing system still can normal operating when the temperature is low excessively.
3. The utility model provides a dry-type fire extinguishing system for closed coal yard is through external fire branch pipe on cyclic annular pipe network to make the fire gun can arrange in the position of the arbitrary needs of coal shed top at fire branch pipe fire gun, and can carry out the independent control to each group's fire branch pipe and fire gun as required.
4. The utility model provides a seal dry-type fire extinguishing system for coal yard, discharge valve sets up in the highest point of cyclic annular pipe network, and the convenience carries out quick evacuation to the air in the fire control dry pipe when the fire control main pipe leads to water.
5. The utility model provides a seal dry-type fire extinguishing system for coal yard, still be provided with at least one blowoff valve on the fire control inlet tube, the blowoff valve is suitable for the back is closed to the motorised valve, right the fire control main pipe carries out the evacuation.
6. The utility model provides a dry-type fire extinguishing system for closed coal yard, outdoor fire control pipeline includes at least two, corresponds, with the fire control inlet tube that outdoor fire control pipeline connects is two equally, and is provided with the motorised valve on two fire control inlet tubes respectively, and is further, and two with the lifting pipe of two fire control inlet tube intercommunications equally, and is further, two lifting pipes communicate to on same ring type pipe network, thereby make two outdoor fire control pipeline can supply water for same ring type pipe network simultaneously, through redundant setting, improves the fault-tolerant rate, prevents when one of them outdoor fire control pipeline and/or fire control main pipe goes wrong, guarantees that another can be reserve, and can be two when outdoor fire control pipeline switches on simultaneously, improves water supply efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the piping arrangement of the dry fire protection system for a closed coal yard according to the present invention;
FIG. 2 is a schematic cross-sectional view of the coal shed of the present invention;
FIG. 3 is a first schematic view of the installation of the fire monitor of the present invention;
FIG. 4 is a second schematic view of the installation of the fire monitor of the present invention;
fig. 5 is a schematic structural view of the fire monitor of the present invention.
Description of reference numerals:
10-coal shed, 11-horse road; 20-a fire-fighting main pipe, 21-a fire-fighting inlet pipe, 22-a lifting pipe, 23-a ring pipe network, 24-a fire-fighting branch pipe, 25-an exhaust valve, 26-an electric valve and 27-an exhaust valve; 31-fire monitor, 311-inlet flange, 312-horizontal motor, 313-main body, 314-spray motor, 315-head, 316-positioner, 317-vertical motor; 32-automatic exhaust valve group, 33-electric valve, 34-water flow indicator; 35-flame detection device, 351-image flame detector and 352-red and ultraviolet flame detector; 40-outdoor fire-fighting pipeline.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Referring to fig. 1 and 2, the present embodiment provides a dry fire protection system for a closed coal yard, including:
an outdoor fire fighting pipeline 40 adapted to be laid outdoors;
a fire main 20 adapted to be at least partially disposed inside the coal shed 10 and to maintain the interior evacuated in a non-operating state;
an electric valve 26 is disposed near the junction of the outdoor fire fighting pipeline 40 and the fire main 20, and is adapted to communicate the outdoor fire fighting pipeline 40 with the fire main 20 in an operating state.
Preferably, outdoor fire control pipeline 40 generally adopts and buries ground setting, can practice thrift the space on the ground on the one hand, and on the other hand can guarantee that outdoor fire control pipeline 40 is protected by the soil layer, and when the cold area in the north even extremely cold area temperature is lower, can not take place to freeze.
Preferably, the setting of exposing of fire-fighting trunk pipe 20 at least part needs to keep warm with rock wool different with conventional fire-fighting trunk pipe 20, and in this embodiment, fire-fighting trunk pipe 20 need not to adopt rock wool or other insulation material to keep warm, keeps the inside evacuation of fire-fighting trunk pipe 20 under unoperated state to avoid fire-fighting trunk pipe 20 when the very cold district temperature is lower in the cold district in the north even, the phenomenon of freezing takes place for inside, guarantees that fire extinguishing system still can normal operating when the temperature is low excessively.
It should be noted that the non-operating state refers to a state in which a fire does not occur in the closed coal yard and the fire protection system is not activated. Correspondingly, the working state refers to the state that a fire disaster occurs in the closed coal yard and the fire protection system is started.
The dry-type fire extinguishing system for closed coal yard that this embodiment provided, through setting up outdoor fire pipeline 40 and fire main 20 respectively, and be connected outdoor fire pipeline 40 and fire main 20 through motorised valve 26, keep the inside evacuation of fire main 20 under unoperated state, avoid freezing the pipe, and open motorised valve 26 under operating condition and make outdoor fire pipeline 40 and fire main 20 switch on, make the water in the outdoor fire pipeline 40 be full of fire main 20 fast, thereby be convenient for put out a fire, avoid owing to expose ground part's fire main 20, the heat preservation measure effect of adoption does not well cause and freezes the pipe, influence the fire control and use.
The closed dry-type fire extinguishing system for coal yard that this embodiment provided, its fire control main pipe 20 need not to adopt rock wool or other insulation material to keep warm, practices thrift the cost on the one hand, and on the other hand can prevent to freeze, guarantees that fire extinguishing system still can normal operating when the temperature is low excessively.
Specifically, the fire main 20 includes:
a fire service inlet pipe 21 laid at a first height and adapted to be directly or indirectly connected to the outdoor fire service conduit 40;
the annular pipe network 23 is laid at a second height and is suitable for being directly or indirectly communicated with the fire-fighting inlet pipe 21;
wherein the second height is higher than or equal to the first height.
Preferably, the fire fighting introduction pipe 21 is directly or indirectly connected to the outdoor fire fighting pipeline 40, in this embodiment, the fire fighting introduction pipe 21 is directly connected to the outdoor fire fighting pipeline 40, the electric valve 26 is disposed on the fire fighting introduction pipe 21, and the electric valve 26 is disposed at a position close to the outdoor fire fighting pipeline 40, so that water in the outdoor fire fighting pipeline 40 can rapidly flow into the fire fighting introduction pipe 21 after the electric valve 26 is opened.
Preferably, the electric valve 26 is arranged in the valve well.
Preferably, the range of the first height may be [ -1m,3m ], and in this embodiment, the range of the first height may be-0.5 m. Preferably, the second height may have a value range of [10m,50m ], and in this embodiment, the second height may have a value of 30 m.
In particular, the annular network 23 is configured as an endless pipe. By configuring the annular pipe network 23 to be annular, the annular pipe network 23 can be arranged around the top of the coal shed 10, and meanwhile, the requirement of supplying water to the fire monitor 31 can be met, so that the effectiveness and the coverage degree of a fire extinguishing area are guaranteed.
Specifically, the fire main 20 further comprises a riser 22, and the riser 22 is suitable for communicating the fire-fighting introduction pipe 21 with the annular pipe network 23.
Preferably, the lifting pipe 22 is communicated with the annular pipe network 23 through the fire-fighting introducing pipe 21, so that the fire-fighting introducing pipe 21 buried under the ground can be communicated with the annular pipe network 23 arranged at the top of the coal shed 10, and water can be conveniently supplied to the annular pipe network 23.
Referring to fig. 3 and 4, in particular, a plurality of fire branch pipes 24 are connected to the annular pipe network 23.
Specifically, a fire monitor 31 is connected to the fire branch pipe 24.
By externally connecting the fire branch pipes 24 to the ring-shaped pipe network 23 and arranging the fire monitor 31 at any required position at the top of the coal shed 10 by the fire monitor 31 of the fire branch pipes 24, each group of the fire branch pipes 24 and the fire monitor 31 can be controlled independently according to the requirement.
Specifically, a plurality of exhaust valves 25 are arranged on the annular pipe network 23, and the exhaust valves 25 are arranged at a second height.
The exhaust valve 25 is arranged at the highest position of the annular pipe network 23, so that air in the fire fighting dry pipe 20 can be quickly emptied conveniently when the fire fighting dry pipe 20 is communicated with water.
In particular, at least one evacuation valve 27 is also provided on the fire service intake pipe 21, the evacuation valve 27 being adapted to evacuate the fire main 20 after the electric valve 26 is closed.
Preferably, the evacuation valve 27 is adapted to stop the water supply from the outdoor fire fighting pipeline 40 to the fire fighting pipe 20 after the electric valve 26 is closed, and evacuate the residual water in the fire fighting pipe 20 for reuse. Preferably, the evacuation valve 27 is disposed on the fire service inlet pipe 21, preferably at the lowest point of the fire service inlet pipe 21, so as to facilitate evacuation of water in the fire service main 20 and avoid residue.
Specifically, the outdoor fire fighting pipe 40 includes at least two.
Correspondingly, the number of the fire-fighting inlet pipes 21 connected with the outdoor fire-fighting pipelines 40 is two, the two fire-fighting inlet pipes 21 are respectively provided with an electric valve 26, furthermore, the number of the lifting pipes 22 communicated with the two fire-fighting inlet pipes 21 is two, and further, the two lifting pipes 22 are communicated to the same annular pipe network 23, so that the two outdoor fire-fighting pipelines 40 can simultaneously supply water for the same annular pipe network 23, the fault tolerance rate is improved through redundancy arrangement, when one outdoor fire-fighting pipeline 40 and/or the fire trunk pipe 20 is in a problem, the other outdoor fire-fighting pipeline is ensured to be standby, and when the two outdoor fire-fighting pipelines 40 are simultaneously communicated, the water supply efficiency is improved.
Specifically, the fire monitor 31 is installed below the sidewalk 11 on both sides of the central axis of the coal shed 10.
Further referring to fig. 1 to 5, the dry fire protection system for a closed coal yard provided in this embodiment further includes:
a flame detection device 35, said flame detection device 35 being adapted to detect the point of fire;
the fire monitor 31 comprises at least two fire monitors 31 installed at two sides of the central axis of the coal shed 10 in an opposite manner.
Preferably, the flame detection device 35 comprises: an image flame detector 351 and a red ultraviolet flame detector 352, wherein the image flame detector 351 is suitable for detecting an open fire ignition point; the red ultraviolet flame detector 352 is suitable for detecting an ignition point without open fire; through setting up image flame detector 351 and red ultraviolet flame detector 352 simultaneously, can enough in time discover to have the ignition point of naked light, can survey the ignition point of no naked light simultaneously again to guarantee to deposit when more and high temperature at the coal of coal yard, take place under the condition of the inside spontaneous combustion that can not produce flame, can in time discover the ignition point, and then carry out corresponding cooling measure of putting out a fire, improve the coal yard security. Need store coal, the place of turnover at colliery, thermal power factory, thermal power plant etc. coal and air long-term contact can take place oxidation reaction, the release heat, the outer heat of coal pile can obtain giving off, nevertheless because the inside air flow of coal pile is slow, the ventilation is poor, cause inside thermal accumulation, the inside temperature of coal pile is higher and higher, when the temperature surpassed the spontaneous combustion point of coal, will produce the spontaneous combustion, cause very big harm to personnel, equipment. Therefore, it is necessary to simultaneously provide the image flame detector 351 and the red ultraviolet flame detector 352 to seal the coal yard.
Combine fig. 1 to show, it seals to adopt spatial grid structure usually to seal the coal yard, wholly demonstrate the arc setting, its span often exceeds 31 range distances of single fire gun, through carrying out the windrow in bucket wheel machine both sides, make and all have the coal pile to exist in coal shed 10 below and bucket wheel machine both sides region, the coal pile has a take the altitude, thereby the injection route of single fire gun has been blockked more, consequently, thereby guarantee through 10 axis both sides opposition installation two fire guns 31 at the coal shed that the range scope of fire gun can all be brought into in the all regions homoenergetic of width direction in the closed coal yard.
Furthermore, when the range of the fire monitor can be brought into all areas of the closed coal yard in the width direction, a group of fire monitors are arranged at intervals in the length direction of the closed coal yard, so that the range of the fire monitor can be brought into all the areas of the closed coal yard in the length direction, and the whole closed coal yard is free of dead angle coverage.
Specifically, as shown in fig. 4 and 5, at least two fire monitors 31 are respectively installed below the sidewalks 11 on both sides of the central axis of the coal shed 10. The maintenance pavement is an indispensable component for implementing the totally-enclosed coal bunker, the height of the totally-enclosed coal bunker is generally 20-50 meters, the lighting lamps are generally longitudinally arranged on two sides of the top of the coal bunker, and once a fault occurs, because the height of the top of the coal bunker is high, the coal pile is arranged below the coal bunker, and the maintenance by using a ladder, a lifter and the like cannot be realized, the maintenance pavement must be considered during design, and the maintenance problem in operation in the future is facilitated. Therefore, the fire monitor 31 is installed below the packway 11, so that the daily maintenance and overhaul are facilitated, the fire monitor 31 can be controlled on the spot when workers find fire conditions, and the timeliness of fire extinguishing is guaranteed.
Specifically, arrange into annular along coal canopy 10 all around be provided with a plurality of maintenance gate valves on the cyclic annular pipe network 23, it is convenient right through setting up the maintenance gate valve cyclic annular pipe network 23 carries out daily maintenance and maintenance.
In a preferred implementation form, the fire monitor 31 is arranged on the sidewalk 11 on two sides of the ceiling, and the distance between the plurality of fire monitors 31 can ensure that two water monitor water sprays can arrive at any point in the room at the same time. And when a fire is detected, when one of the fire monitor 31 is triggered, the adjacent fire monitor 31 on the same side of the pavement 11 is triggered to scan an alarm area, so that the fire is protected in a range, and the fire is prevented from further expanding. As a specific implementation scheme, when the installation height of the fire monitor 31 is 30m relative to the 0.00m elevation of the indoor floor of the coal yard, the actual jet flow of the fire monitor 31 is not less than 30L/s, so that the jet distance of the fire monitor 31 is ensured.
Specifically, an automatic exhaust valve group 32, a water flow indicator 34 and an electric valve 33 are further arranged at the position where the fire branch pipe 24 is communicated with the fire monitor 31.
Specifically, the dry fire-fighting system for the closed coal yard further comprises an on-site control box, and the fire monitor 31 is electrically connected with the on-site control box. It is right through the control box on the spot the control of fire monitor 31 can make things convenient for the workman when discovering the condition of a fire, controls on the spot fire monitor 31, guarantees the promptness of putting out a fire.
Specifically, seal dry-type fire extinguishing system for coal yard still includes wireless remote controller, fire gun 31 and wireless remote controller communication connection, it is right through wireless remote controller fire gun 31's control can make things convenient for the workman to carry out remote control to fire gun 31 when discovering the condition of a fire, guarantees the promptness of putting out a fire, can guarantee workman remote control fire gun simultaneously, guarantees the security.
As diversified realization form, seal coal yard with dry-type fire extinguishing system can realize full automatic fire extinguishing function on the one hand, work as when any region in the closed coal yard takes place the condition of a fire, image flame detector 351 and/or red ultraviolet flame detector 352 send alarm information to fire detection alarm system rapidly, according to warning region position, system automatic scanning image location is with pointing to the source of a fire point, starts the fire gun and implements to put out a fire. On the other hand, seal coal yard with dry-type fire extinguishing system and can realize remote control function of putting out a fire, work as disaster detection system automatic alarm in the sealed coal yard, after industrial television monitoring system or artifical confirmation condition of a fire, pass through monitored control system at control center by the personnel on duty, use fire gun centralized control cabinet to carry out remote control to the regional fire gun of conflagration, implement the function of putting out a fire. On the other hand, seal dry-type fire extinguishing system for coal yard can on-the-spot manual control function of putting out a fire, if the site personnel discover the ignition point, accessible fire gun on-the-spot control box and wireless remote controller operation fire gun aim at the ignition point and put out a fire.
As shown in fig. 5, the fire monitor 31 specifically includes:
an inlet flange 311, wherein the inlet flange 311 is connected with the fire branch pipe 24 and is used as a water flow inlet of the fire monitor 31;
a main body 313 of the fire monitor 31, wherein the main body 313 is used as a main body part of the fire monitor and is suitable for bearing other components;
a gun head 315, said gun head 315 being adapted to spray a water stream;
the horizontal motor 312 and the vertical motor 317 are used for controlling the gun head 315 to carry out angle adjustment so as to aim at a fire point for spraying;
the fog injection motor 314 can perform stepless conversion on the sprayed water flow between a direct current state and a spraying state;
and the positioner 316 is used for positioning the fire monitor 31, so that the control is convenient.
Fire monitor 31 is through the cooperation of each part to through with communication connection such as flame detection device 35, control box, centralized control cabinet, monitored control system on the spot, the realization is right the work of putting out a fire in the closed coal yard guarantees promptness, security.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. A dry fire protection system for a closed coal yard, comprising:
an outdoor fire fighting pipeline (40) adapted to be laid outdoors;
a fire main (20) adapted to be at least partially arranged inside the coal shed (10) and to be kept evacuated inside in a non-operating condition;
and the electric valve (26) is arranged close to the joint of the outdoor fire fighting pipeline (40) and the fire trunk pipe (20) and is suitable for communicating the outdoor fire fighting pipeline (40) with the fire trunk pipe (20) in a working state.
2. The dry fire protection system for an enclosed coal yard according to claim 1, wherein the fire main (20) comprises:
a fire service intake pipe (21) laid at a first height and adapted to be connected directly or indirectly to the outdoor fire service conduit (40);
the annular pipe network (23) is laid at a second height and is suitable for being directly or indirectly communicated with the fire fighting inlet pipe (21);
wherein the second height is higher than or equal to the first height.
3. A dry fire fighting system for enclosed coal yards according to claim 2, characterized in that the looped pipe network (23) is constructed as endless piping ending.
4. Dry fire fighting system for enclosed coal yards according to claim 3, characterized in that said fire main (20) further comprises a riser (22), said riser (22) being suitable for putting said fire fighting intake pipe (21) in communication with said annular network (23).
5. The dry fire fighting system for enclosed coal yards according to claim 2, characterized in that a plurality of fire branch pipes (24) are connected to the ring-shaped pipe network (23).
6. The dry fire fighting system for enclosed coal yards according to claim 5, characterized in that a fire monitor (31) is connected to the fire branch pipe (24).
7. Dry fire fighting system for enclosed coal yards according to any of claims 2 to 6, characterized in that a plurality of air outlet valves (25) are arranged on the looped pipe network (23), the air outlet valves (25) being arranged higher than the second level.
8. Dry fire fighting system for enclosed coal yards according to any of claims 2 to 6, characterized in that at least one evacuation valve (27) is provided on the fire fighting intake pipe (21), said evacuation valve (27) being adapted to evacuate the fire main (20) after the electric valve (26) is closed.
9. Dry fire fighting system for enclosed coal yards according to any of claims 1 to 6, characterized in that the outdoor fire fighting piping (40) comprises at least two.
10. The dry fire fighting system for enclosed coal yards according to claim 6, characterized in that the fire monitor (31) is installed below the walkway (11) on both sides of the central axis of the coal shed (10).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021689909.XU CN212491224U (en) | 2020-08-13 | 2020-08-13 | Dry-type fire-fighting system for closed coal yard |
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| CN202021689909.XU CN212491224U (en) | 2020-08-13 | 2020-08-13 | Dry-type fire-fighting system for closed coal yard |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115212491A (en) * | 2022-06-29 | 2022-10-21 | 徐州赛森电子自动化技术有限公司 | Intelligent emergency fire-fighting system applied to totally-enclosed coal yard |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115212491A (en) * | 2022-06-29 | 2022-10-21 | 徐州赛森电子自动化技术有限公司 | Intelligent emergency fire-fighting system applied to totally-enclosed coal yard |
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