CN214436074U - Fire control liquid pipeline that prevents frostbite and puts out a fire detects maintenance system - Google Patents
Fire control liquid pipeline that prevents frostbite and puts out a fire detects maintenance system Download PDFInfo
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- CN214436074U CN214436074U CN202023190068.0U CN202023190068U CN214436074U CN 214436074 U CN214436074 U CN 214436074U CN 202023190068 U CN202023190068 U CN 202023190068U CN 214436074 U CN214436074 U CN 214436074U
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Abstract
The utility model belongs to the technical field of fire control, in particular to a fire-fighting antifreezing fire-extinguishing fluid pipeline detection and maintenance system, which comprises a water supply pipeline, wherein the water supply pipeline is sequentially connected with an isolation detection device and a parallel circulation loop pipeline; the parallel circulating loop pipeline is sequentially connected with a filler tank, a filter and a pipeline pump; the isolation detection device comprises a first one-way valve and a second one-way valve, and a sampling valve and a liquid detection device are connected on the water supply pipeline between the first one-way valve and the second one-way valve. The system can detect the fire-fighting water body pollution caused by the fault of the single one-way valve in the fire-fighting antifreeze solution system, maintain the antifreeze fire-extinguishing solution without scaling and precipitation, and simplify the replacement steps of the fire-fighting antifreeze fire-extinguishing solution.
Description
Technical Field
The utility model belongs to the technical field of the fire control, especially, relate to a fire control prevents frostbite and puts out a fire liquid pipeline detection maintenance system.
Background
Although the fire-fighting pipeline added with the anti-freezing fire-extinguishing liquid in buildings such as large storage warehouses, factory workshops and the like without heating conditions is not easy to frost crack, no automatic detection and maintenance matching system for the fire-fighting pipeline and the anti-freezing fire-extinguishing liquid in the pipeline is provided;
in the prior art, an effective method for detecting whether a check valve for isolating water and antifreezing fire-extinguishing fluid has a fault is lacked: when the one-way valve breaks down and then the isolation fails, the failure can not be found in time, so that the anti-freezing fire-extinguishing liquid leaks to pollute the fire-fighting water. Secondly, the antifreezing fire-extinguishing fluid can be precipitated after being used for a long time and can generate chemical reaction with various ions in the pipeline to generate scale, and the precipitate and the scale are likely to block a spraying port when a fire disaster occurs; thirdly, due to the limitation of shelf life aging, the effective preservative needs to be replaced periodically to maintain the corrosion prevention effect of the anti-freezing fire-extinguishing liquid on the metal pipeline device; fourthly, the tail end of the fire-fighting spray pipeline is of a parallel branch-shaped structure, a parallel loop is not formed, the original anti-freezing fire-extinguishing liquid can be cleaned up only by opening the tail end to deflate one by one when the anti-freezing fire-extinguishing liquid is replaced, and the procedure is very complicated.
SUMMERY OF THE UTILITY MODEL
The utility model provides a fire control prevents frostbite and puts out a fire liquid pipeline detection maintenance system, its simple structure, convenient to use.
The utility model provides a technical problem adopt following technical scheme to realize:
a fire-fighting antifreeze solution pipeline detection and maintenance system comprises a water supply pipeline, wherein the water supply pipeline is sequentially connected with an isolation detection device and a circulation loop pipeline; the circulating loop pipeline is sequentially connected with a plurality of groups of spraying pipelines, a filling tank, a filter and a pipeline pump;
the tail ends of the multiple groups of spraying pipelines are connected with parallel pipelines;
the isolation detection device comprises a first one-way valve and a second one-way valve, and a sampling valve is connected to the water supply pipeline between the first one-way valve and the second one-way valve;
a detection device is connected to the water supply pipeline between the sampling valve and the second one-way valve;
the detection device is one of a liquid resistance detection device or a capacitance type liquid concentration detection device;
the filter is a filter with a melt-blown filter element;
an anti-freezing system device is also connected to the water supply pipeline between the isolation detection device and the circulation loop pipeline;
the anti-freezing system device comprises a pressure stabilizing tank;
the filling tank comprises an alarm pressure meter arranged at the top and an anti-freezing fire-extinguishing liquid filling valve arranged at the side part of the filling tank;
and a second valve is connected to the highest point of the circulating pipeline between the parallel pipeline and the filling tank.
The utility model has the advantages that:
(1) the isolation detection device can be used for timely finding fire-fighting water body pollution caused by the damage of the one-way valve and simultaneously preventing the anti-freezing fire-extinguishing liquid from being diluted to lose efficacy;
(2) the system can simplify the replacement steps of the fire-fighting antifreezing fire-extinguishing liquid;
(3) the system can lead the fire-fighting antifreezing fire-extinguishing fluid to achieve longer service life through simple feeding and filtering treatment, and lead the replacement of the antifreezing fire-extinguishing fluid to be convenient and easy to operate;
(4) the safe operation coefficient of the anti-freezing fire-extinguishing liquid type pipeline anti-freezing system is increased by filtering and preventing blockage.
Drawings
FIG. 1 is a schematic view of the antifreeze system for water supply pipes in the present application;
1-water supply pipeline, 10-parallel pipeline, 11-circulation loop pipeline, 12-spray pipeline, 13-spray head, 2-isolation detection device, 21-first one-way valve, 22-second one-way valve, 23-sampling valve, 24-detection device, 3-connecting valve, 31-first valve, 32-second valve, 33-exhaust valve, 34-first connecting valve, 35-second connecting valve, 4-anti-freezing system device, 6-filling tank, 61-pressure gauge, 62-anti-freezing fire-extinguishing liquid filling valve, 63-sealing cover, 7-filter and 8-pipeline pump.
Detailed Description
As shown in fig. 1, a fire-fighting antifreezing fire-extinguishing fluid pipeline detection maintenance system comprises a water supply pipeline 1, wherein an isolation detection device 2, an antifreezing system device 4 and a circulation loop pipeline 11 are sequentially installed on the water supply pipeline 1, the antifreezing system device 4 is further connected to the water supply pipeline between the isolation detection device 2 and the circulation loop pipeline 11, and the antifreezing system device 4 and the circulation loop pipeline 11 are contained in a low-temperature pipeline area C of fire-extinguishing fluid; the isolation detection device 2 is used for preventing the anti-freezing fire-extinguishing liquid from being back-poured into the fire-fighting water pipeline and detecting whether isolation is effective or not;
the isolation detection device 2 comprises a first one-way valve 21, a second one-way valve 22 and a sampling valve 23, wherein in a relatively closed narrow space formed by the first one-way valve 21 and the second one-way valve 22, the concentration of the anti-freezing fire-extinguishing liquid can be used for detecting whether the second one-way valve 21 is damaged, and specifically, if the second one-way valve 22 breaks down, the concentration of the anti-freezing fire-extinguishing liquid in the relatively closed narrow space formed by the first one-way valve 21 and the second one-way valve 22 is much greater than that of the anti-freezing fire-extinguishing liquid in a tap water area;
when no stable power supply is provided, the sampling valve 23 is arranged between the first one-way valve 21 and the second one-way valve 22, liquid is taken out from the sampling valve 23, the sampling valve can be used for sampling at regular intervals, and whether the fire-fighting water body is polluted or not is detected through chemical analysis, so that whether the isolation of water and the anti-freezing fire-extinguishing liquid is effective or not is judged;
preferably, in the place that has the power supply, in this embodiment, still can connect detection device 24 on the water supply pipeline 1 between sample valve 23 and second check valve 22, detection device 24 can be one of the liquid resistance detection device or the capacitanc liquid concentration detection device of pipeline detection common detection liquid resistance, and concrete structure and principle are not repeated here, and it can be used to implement the quality of water that detects fire water, when the quality of water takes place the wide range change suddenly, can carry out sound, light warning suggestion.
The anti-freezing system device 4 comprises an anti-freezing fire-extinguishing fluid reservoir and a pressure stabilizing tank, and when a fire breaks out, the anti-freezing fire-extinguishing fluid in the anti-freezing fire-extinguishing fluid reservoir is firstly used for extinguishing a big fire; the effect of surge tank is: because of the change of temperature, the volume of the water supply pipeline and the anti-freezing fire extinguishing liquid also changes, and larger pressure intensity is generated, and in order to prevent the larger pressure intensity from damaging the equipment, the water supply pipeline is kept in a state of pressure intensity change permission through the volume change of the gas of the pressure stabilizing tank.
The anti-freezing system device 4 further comprises other anti-freezing system devices, such as a pressure pump, which belong to other existing anti-freezing system technologies of fire fighting anti-freezing solutions, and are not described in detail in this application.
The circulating loop pipeline 11 is sequentially connected with a plurality of groups of spraying pipelines 12, a filling tank 6, a filter 7 and a pipeline pump 8; the filter 7 is a filter with a melt-blown filter element and is used for removing sediment and scouring scale; the tail ends of the multiple groups of spraying pipelines 12 are connected with parallel pipelines 10, and the parallel pipelines 10 are pipelines which communicate the fork-mounted structures at the tail ends of the spraying pipelines 12, so that the branch pipelines are communicated in parallel. The spray pipe 12 is provided with a plurality of groups of spray heads 13, and when a fire disaster occurs, the spray heads 13 can spray fire water to extinguish the fire.
A second valve 32 is connected to the circulating pipeline 11 between the parallel pipeline 10 and the filling tank 6; preferably, the second valve 32 is installed at the highest point a of the circulation pipeline near one side of the parallel pipeline 10, and the second valve 32 is an exhaust valve; a first valve 31 is connected to the circulation pipeline 11 between the pipeline pump 8 and the spray pipeline 12, preferably, the first valve 31 is installed at the lowest point B of the circulation pipeline close to one side of the pipeline pump 8, and the first valve 31 is a liquid adding valve;
the first valve 31 and the second valve 32 can be used for replacing the anti-freezing fire-extinguishing liquid, and it is noted that the anti-freezing fire-extinguishing liquid used in the present application conforms to the national standards of water-based fire-extinguishing liquid for anti-freezing fire-extinguishing liquid of GB/T17835-2008; specifically, when the anti-freezing fire-extinguishing liquid is replaced, the exhaust valve 33, the second valve 32 on the highest point of the circulating pipeline and the first valve 31 on the lowest point are opened simultaneously, all the anti-freezing fire-extinguishing liquid can be discharged from the first valve 31 on the lowest point under the action of the atmospheric pressure due to the fact that the pipeline is connected in parallel, then the anti-freezing fire-extinguishing liquid is added through the first valve 31, and when the anti-freezing fire-extinguishing liquid overflows from the second valve 32 on the highest point and the exhaust valve 33, the two valves are closed respectively. All the parallel anti-freezing pipelines can be filled, the situation that the anti-freezing fire extinguishing liquid in the pipelines is replaced one by one after the tail end of each spraying pipeline is exhausted is avoided, and the steps are simplified.
Preferably, the top of the filler tank 6 is provided with an open sealing cover 63, and the sealing cover 63 can be used for placing active ingredients of the powdery anti-freezing fire-extinguishing liquid; an alarm pressure gauge 61 for monitoring the pressure change inside the antifreeze pipeline is arranged on the sealing cover 63, preferably, the alarm pressure gauge is under-pressure, an antifreeze fire-extinguishing liquid filling valve 62 is arranged on the side of the filler tank 6, and the antifreeze fire-extinguishing liquid filling valve 63 can be used for filling liquid antifreeze fire-extinguishing liquid effective components; the effective components can be powder or liquid, the volume and the effective period of the anti-freezing fire-extinguishing fluid in the pipeline are calculated in advance when the effective components are added, and the effective components with corresponding amount are added periodically according to the proportion to maintain the normal efficiency of the anti-freezing fire-extinguishing fluid, such as new preservatives and the like which need to be updated regularly; and the top of the filling tank 6 is also provided with an exhaust pressure reducing device which is used for reducing the overhigh pressure generated by the expansion of the circulation pipeline due to the change of the temperature.
Preferably, connecting valves 3 are arranged between the isolation detection device 2 and the anti-freezing system device 4, between the filler tank 6 and the filter 7, and between the filter 7 and the pipeline pump 8, and the connecting valves 3 are used for performing flow breaking, dismounting and repairing on each part when the whole system is in fault.
The working principle is as follows: before adding the anti-freezing fire-extinguishing liquid, closing a first connecting valve 34 in front of an isolation detection device 2, opening a second valve 32 and an exhaust valve 33, filling the anti-freezing fire-extinguishing liquid from the first valve 31, respectively closing the second valve 32 and the exhaust valve 33 when the liquids are discharged, pressurizing the liquids to a fire-fighting water supply pressure which is more than or equal to 1.3 times (the mass of the anti-freezing fire-extinguishing liquid is about 1.3 times that of water, and in order to ensure the spraying distance), opening the first connecting valve 34 which is closed before, wherein a first one-way valve 21 in a water supply pipeline is used for preventing the anti-freezing fire-extinguishing liquid from being refilled to pollute fire-fighting water, and a second one-way valve 22 and a detection device 24 are used for detecting whether the anti-freezing fire-extinguishing liquid leaks; a circulating pump is periodically started in the circulating pipeline at ordinary times, and bottom sinking and scaling in the anti-freezing fire extinguishing liquid are prevented through filtering; the first valve 31, the second valve 32, the parallel pipeline 10 and the circulating pipeline 11 are used for simplifying the regular replacement of the anti-freezing fire extinguishing fluid; when the pipeline parts of the system slowly leak, the pressure in the pipeline on the side of adding the antifreeze is reduced, and the pressure approaches the fire-fighting water pressure, so that the pressure is lower than the originally set pressure of the pressure gauge 61, the pressure of the pressure gauge 61 gives an alarm, a worker immediately closes the second connecting valve 35 between the exhaust valve 33 and the antifreeze system device 4, leakage detection and maintenance are carried out, and the antifreeze and fire-extinguishing fluid is supplemented to the antifreeze pipeline.
When the conflagration breaing out, the fire-fighting equipment shower nozzle is opened because of high temperature is automatic and sprays, and the fire extinguishing liquid that prevents frostbite in the earlier blowout pipeline puts out a fire, because pipeline pressure reduces this moment, one-way separate the check valve automatic opening, and water supply pipe continues to provide fire water and implements and sprays, guarantees that whole fire extinguishing system can in time put out the condition of a fire.
The anti-freezing fire-extinguishing liquid in the system firstly needs to be special anti-freezing fire-extinguishing liquid meeting the GB/T17835 and 2008 water-based fire-extinguishing liquid standard.
The above detailed description of the embodiments of the present invention is only the preferred embodiments of the present invention, and the embodiments of the present invention should not be considered as limiting the scope of the present invention, and all the equivalent changes and improvements made in the application scope of the present invention should still belong to the scope of the present invention.
Claims (8)
1. The utility model provides a fire control prevents frostbite liquid pipeline detection maintenance system of putting out a fire which characterized in that: the device comprises a water supply pipeline (1), wherein the water supply pipeline (1) is sequentially connected with an isolation detection device (2) and a circulation loop pipeline (11); a plurality of groups of spraying pipelines (12), a filling tank (6), a filter (7) and a pipeline pump (8) are sequentially connected to the circulating loop pipeline (11);
the tail ends of the multiple groups of spraying pipelines (12) are connected with parallel pipelines (10);
the isolation detection device (2) comprises a first one-way valve (21) and a second one-way valve (22), and a sampling valve (23) is connected to the water supply pipeline (1) between the first one-way valve (21) and the second one-way valve (22).
2. The fire fighting antifreeze fire fighting fluid pipeline inspection and maintenance system according to claim 1, wherein: a detection device (24) is connected on the water supply pipeline (1) between the sampling valve (23) and the second one-way valve (22).
3. The fire fighting antifreeze fire fighting fluid pipeline inspection and maintenance system according to claim 2, wherein: the detection device (24) is one of a liquid resistance detection device or a capacitance type liquid concentration detection device.
4. The fire fighting antifreeze fire fighting fluid pipeline inspection and maintenance system according to claim 2, wherein: the filter (7) is a filter with a melt-blown filter element.
5. The fire fighting antifreeze fire fighting fluid pipeline inspection and maintenance system according to claim 2, wherein: and an anti-freezing system device (4) is also connected to the water supply pipeline (1) between the isolation detection device (2) and the circulation loop pipeline (11).
6. The fire fighting antifreeze fire fighting fluid pipeline inspection and maintenance system according to claim 5, wherein: the anti-freezing system device (4) comprises a pressure stabilizing tank.
7. The fire fighting antifreeze fire fighting fluid pipeline inspection and maintenance system according to claim 4, wherein: the filling tank (6) comprises an alarm pressure gauge (61) arranged at the top and an anti-freezing fire-extinguishing liquid filling valve (62) arranged on the side part of the filling tank (6).
8. The fire fighting antifreeze fire fighting fluid pipeline inspection and maintenance system according to claim 6, wherein: and a second valve (32) is connected to the highest point of the circulating pipeline between the parallel pipeline (10) and the filling tank (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023190068.0U CN214436074U (en) | 2020-12-26 | 2020-12-26 | Fire control liquid pipeline that prevents frostbite and puts out a fire detects maintenance system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023190068.0U CN214436074U (en) | 2020-12-26 | 2020-12-26 | Fire control liquid pipeline that prevents frostbite and puts out a fire detects maintenance system |
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| CN214436074U true CN214436074U (en) | 2021-10-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115282524A (en) * | 2022-07-29 | 2022-11-04 | 中铁第六勘察设计院集团有限公司 | Tunnel water fire control is with preventing frostbite module and tunnel water fire extinguishing system certainly |
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2020
- 2020-12-26 CN CN202023190068.0U patent/CN214436074U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115282524A (en) * | 2022-07-29 | 2022-11-04 | 中铁第六勘察设计院集团有限公司 | Tunnel water fire control is with preventing frostbite module and tunnel water fire extinguishing system certainly |
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