CN202273276U - Overpressure-prevention ultra-high building fire fighting water supply system - Google Patents
Overpressure-prevention ultra-high building fire fighting water supply system Download PDFInfo
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- CN202273276U CN202273276U CN2011204229897U CN201120422989U CN202273276U CN 202273276 U CN202273276 U CN 202273276U CN 2011204229897 U CN2011204229897 U CN 2011204229897U CN 201120422989 U CN201120422989 U CN 201120422989U CN 202273276 U CN202273276 U CN 202273276U
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Abstract
The utility model relates to the technical field of fire fighting water supply and water discharge, in particular to an overpressure-prevention ultra-high building fire fighting water supply system, which comprises an underground fire fighting water pool, a fire fighting water supply pipe network, a fire fighting transmission water tank and a high-region fire fighting water supply pipe network in sequential connection through pipelines, wherein a fire fighting water transmission pump and a high-region water supply pump which are mutually linked are respectively arranged on the fire fighting water supply pipe network and the high-region fire fighting water supply pipe network, the fire fighting transmission pump and the underground fire fighting water pool are connected through a pipeline, the high-region water supply pump is connected with the fire fighting transmission water tank through a pipeline, a control valve is arranged on a pipeline for connecting the fire fighting water supply pipe network and the fire fighting transmission water tank, and a pressure relief valve is arranged in the fire fighting water supply pipe network. According to the system, the overpressure of the system can be prevented, and the system breakdown and the part damage caused by overpressure born by the system are avoided.
Description
Technical field
The utility model relates to fire water supply water discharge technology field, relates to a kind of superpressure preventing super highrise building fire supply system especially.
Background technology
In the design of super highrise building fire supply system, fire-fighting need be set transfer water supply system.At present, water supply system is transferred in the fire-fighting that the normal domestic super highrise building uses, and uses hydraulic control valve control water inlet, and controls the start and stop that pump is transferred in fire-fighting.Transfer when fire-fighting and to close hydraulic control valve when cistern water level reaches flood level, transfer cistern water level when fire-fighting and reach the fire-fighting water level (force control valve of fetching boiling water 0.2m) time.
Existing fire-fighting is transferred water supply system and is had following problem:
1, the easy superpressure phenomenon that produces of water supply system is transferred in fire-fighting
When Dang Gao district fire takes place, transfer in fire-fighting under the situation of flow greater than the flow of the high district of fire fighting system feed pump of pump, fire-fighting is transferred cistern water level and is reached flood level; Hydraulic control valve is closed, and fire-fighting is transferred pump and continued operation, and the water in the force pipe does not flow out direction; Pressure bears in system to be increased; Produce the superpressure phenomenon, damage, finally cause system crash thereby cause pipeline burst or fire-fighting to transfer pump.
2, hydraulic control valve is fragile
Transfer in the water supply system in the fire-fighting of Fig. 1, have the water level big situation that fluctuates at short notice, rise and fall in the water level short time of fire water box cause the hydraulic control valve switch repeatedly, and are fragile.
3, pipe network is prone to booster
Fire water supply at Fig. 1 is transferred in the system, in case superpressure, waterline network can not bear institute's over pressure, must produce booster phenomenon or fire pump and damage, and system can not normally be moved.
Summary of the invention
The technical problem that the utility model solves provides a kind of super highrise building fire supply system that can prevent system overpressure, avoids bearing because of system the phenomenon of excessive system crash that causes of pressure and damage of components.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of superpressure preventing super highrise building fire supply system; Water tank and high district's fire water supply pipe network are transferred in the underground fire cistern, fire water supply pipe network, the fire-fighting that comprise pipeline connection successively; Pump He Gao district feed pump is transferred in the fire-fighting that is respectively equipped with mutual interlock on said fire water supply pipe network He Gao district's fire water supply pipe network; Fire-fighting is transferred pump and is connected with underground fire cistern pipeline; High district feed pump transfers the water tank pipeline with fire-fighting and is connected, and said fire water supply pipe network and fire-fighting are transferred the pipeline that water tank is connected and be provided with control valve, it is characterized in that: be provided with relief valve in the said fire water supply pipe network.
Alternatively, on the trunk line of said fire water supply pipe network and high district's fire water supply pipe network a fire-fighting is set respectively and transfers pump,, satisfy the fire-fighting flow to guarantee piped water supply.
Alternatively, said control valve is an electromagnetic valve.Electromagnetic valve can cooperate different circuits to realize the control of expecting, and the precision and the flexibility of control can both guarantee that the employing electromagnetic valve replaces hydraulic control valve, changes the original automatic regulative mode of waterpower, makes the accuracy and the flexibility of system's operation.
Preferably, said electromagnetic valve is arranged on the pipeline that gets into the fire water supply pipe network water service pipe that fire-fighting transfers water tank.The fire water supply pipe network water service pipe that water tank is transferred in the entering fire-fighting is a pipeline of having concentrated each trunk line of fire water supply pipe network, and electromagnetic valve is arranged at the water inlet control of being more convenient for offseting anti-rotation water delivery case on the fire water supply pipe network.
One of improve, be equipped with flow meter on the trunk line of said fire water supply pipe network and high district's fire water supply pipe network, be convenient to timely monitoring pipeline flow.
Two of improvement is equipped with water-hammer arrester on fire water supply pipe network and the high district's fire water supply pipe network.Water-hammer arrester can need not to stop under the mobile situation of fluid; The irregular water attack ripple concussion that eliminate fluid is hammered into shape outside the issuable water of transmission system and surge takes place effectively; Thereby reach to eliminate and have destructive shock wave; Protective effect has been played in the setting of the water-hammer arrester on fire water supply pipe network and the high district's fire water supply pipe network, has prolonged the application life of waterline network to a certain extent.
Preferably, said water-hammer arrester is arranged on the trunk line of fire water supply pipe network and high district's fire water supply pipe network.
Compared with prior art, beneficial effect is:
The utility model super highrise building fire supply system is provided with relief valve in the fire water supply pipe network; When the pipeline pressure of fire water supply pipe network becomes big, when reaching the relief valve starting pressure, relief valve is opened; Water is drained into underground fire cistern; Ensured that fire-fighting transfers the safe operation of pump, this system can prevent system overpressure, has avoided bearing excessive system crash and the damage of components of causing of pressure because of system.
Description of drawings
Fig. 1 is the utility model superpressure preventing super highrise building fire supply system figure.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
Be illustrated in figure 1 as the embodiment of the utility model superpressure preventing super highrise building fire supply system; Water tank 30 and high district's fire water supply pipe network 40 are transferred in the underground fire cistern 10, fire water supply pipe network 20, the fire-fighting that comprise pipeline connection successively; Pump 21 He Gao district feed pumps 41 are transferred in the fire-fighting that is respectively equipped with mutual interlock on the fire water supply pipe network 20 He Gao district fire water supply pipe networks 40; Fire-fighting is transferred pump 21 and is connected with underground fire cistern 10 pipelines; High district feed pump 41 transfers water tank 30 pipelines with fire-fighting and is connected, and fire water supply pipe network 20 and fire-fighting are transferred the pipeline that water tank 30 is connected and be provided with control valve 22, are provided with relief valve 23 in the fire water supply pipe network 20.The control valve 22 of present embodiment adopts electromagnetic valves, and is arranged on the pipeline that gets into the fire water supply pipe network water service pipe 25 that fire-fighting transfers water tank 30.
The principle and the running of this superpressure preventing super highrise building fire supply system are following:
High district's fire water supply pipe network 40 is arranged on the refuge story H (h is a basement among Fig. 1) of super highrise building, and pump 21 and feed pump 41 interlocks of high district are transferred in fire-fighting, when the water level that transfers water tank 30 when fire-fighting reaches flood level (H1), closes electromagnetic valve; The water level that transfers water tank 30 when fire-fighting reaches fire-fighting water level (H2) and (0.2m) time, opens electromagnetic valve.
When fiery residence took place in high district, high district feed pump 41 transferred pump 21 with fire-fighting and all gets into normal operating condition, when the flow of Dang Gao district feed pump 41 transfers pump 21 less than fire-fighting; Fire-fighting is transferred water tank 30 and is reached flood level (H1), closed electromagnetic valve, and fire-fighting this moment is transferred pump 21 still in running; It is big that the pipeline pressure of fire water supply pipe network 20 becomes, and when surpassing setting pressure or reaching relief valve 23 starting pressures, relief valve 23 is opened; Fire water supply pipe network 20 drains into underground fire cistern 10 with water; Fire-fighting is transferred pump 21 and is remained in operation, thereby has ensured that fire-fighting transfers the safe operation of pump 21, has guaranteed that fire-fighting transfers the not fire-fighting requirement of pump trip of pump 21.
Simultaneously; Because the setting of relief valve 23 has prevented the fire supply system superpressure, component such as waterline network, valve are worked under the pressure of safety, are not easy to damage; Keep the normal operation of fire supply system, also prolonged the application life of system to a great extent.
In order to guarantee that piped water supply is to satisfy the fire-fighting flow; On the trunk line 24 of fire water supply pipe network 20 and high district's fire water supply pipe network 40, trunk line 42, a fire-fighting is set respectively and transfers pump 21; Flow meter 26, flow meter 43 are set simultaneously, so that pipeline flow is in time monitored.
As improvement to present embodiment; On the trunk line 24 of fire water supply pipe network 20 and high district's fire water supply pipe network 40, trunk line 42, water-hammer arrester 27, water-hammer arrester 44 are set respectively; Need not to stop under the mobile situation of fluid; The irregular water attack ripple concussion that eliminate fluid is hammered into shape outside the issuable water of transmission system and surge takes place effectively has destructive shock wave thereby reach to eliminate, the protection waterline network.
Claims (7)
1. superpressure preventing super highrise building fire supply system; Water tank and high district's fire water supply pipe network are transferred in the underground fire cistern, fire water supply pipe network, the fire-fighting that comprise pipeline connection successively; Pump He Gao district feed pump is transferred in the fire-fighting that is respectively equipped with mutual interlock on said fire water supply pipe network He Gao district's fire water supply pipe network; Fire-fighting is transferred pump and is connected with underground fire cistern pipeline; High district feed pump transfers the water tank pipeline with fire-fighting and is connected, and said fire water supply pipe network and fire-fighting are transferred the pipeline that water tank is connected and be provided with control valve, it is characterized in that: be provided with relief valve in the said fire water supply pipe network.
2. superpressure preventing super highrise building fire supply system according to claim 1 is characterized in that: on the trunk line of said fire water supply pipe network and high district's fire water supply pipe network a fire-fighting is set respectively and transfers pump.
3. superpressure preventing super highrise building fire supply system according to claim 2 is characterized in that: said control valve is an electromagnetic valve.
4. superpressure preventing super highrise building fire supply system according to claim 3 is characterized in that: said electromagnetic valve is arranged on the pipeline that gets into the fire water supply pipe network water service pipe that fire-fighting transfers water tank.
5. superpressure preventing super highrise building fire supply system according to claim 1 is characterized in that: be equipped with flow meter on the trunk line of said fire water supply pipe network and high district's fire water supply pipe network.
6. according to the arbitrary described superpressure preventing super highrise building fire supply system of claim 1-5, it is characterized in that: be equipped with water-hammer arrester on fire water supply pipe network and the high district's fire water supply pipe network.
7. superpressure preventing super highrise building fire supply system according to claim 6 is characterized in that: said water-hammer arrester is arranged on the trunk line of fire water supply pipe network and high district's fire water supply pipe network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204229897U CN202273276U (en) | 2011-10-31 | 2011-10-31 | Overpressure-prevention ultra-high building fire fighting water supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204229897U CN202273276U (en) | 2011-10-31 | 2011-10-31 | Overpressure-prevention ultra-high building fire fighting water supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202273276U true CN202273276U (en) | 2012-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204229897U Expired - Lifetime CN202273276U (en) | 2011-10-31 | 2011-10-31 | Overpressure-prevention ultra-high building fire fighting water supply system |
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| Country | Link |
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| CN (1) | CN202273276U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109811830A (en) * | 2019-03-11 | 2019-05-28 | 中国建筑第四工程局有限公司 | A kind of super high-rise building annular pressure maintaining fire water-supply method and system |
| TWI685362B (en) * | 2019-03-22 | 2020-02-21 | 鴻威消防科技股份有限公司 | Pumping bottom valve for fire-fighting pool and water pumping system with the same |
| CN113700081A (en) * | 2021-09-18 | 2021-11-26 | 广东建邦兴业集团有限公司 | Assembled fire control water supply system |
-
2011
- 2011-10-31 CN CN2011204229897U patent/CN202273276U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109811830A (en) * | 2019-03-11 | 2019-05-28 | 中国建筑第四工程局有限公司 | A kind of super high-rise building annular pressure maintaining fire water-supply method and system |
| TWI685362B (en) * | 2019-03-22 | 2020-02-21 | 鴻威消防科技股份有限公司 | Pumping bottom valve for fire-fighting pool and water pumping system with the same |
| CN113700081A (en) * | 2021-09-18 | 2021-11-26 | 广东建邦兴业集团有限公司 | Assembled fire control water supply system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120613 |