CN216725605U - Fire extinguishing system to existing building fire control transformation - Google Patents
Fire extinguishing system to existing building fire control transformation Download PDFInfo
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- CN216725605U CN216725605U CN202122870807.9U CN202122870807U CN216725605U CN 216725605 U CN216725605 U CN 216725605U CN 202122870807 U CN202122870807 U CN 202122870807U CN 216725605 U CN216725605 U CN 216725605U
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Abstract
The utility model belongs to the technical field of building water supply and drainage fire-fighting systems, and relates to a fire-fighting system for fire-fighting reformation of an existing building. The fire hydrant system comprises an original fire pool, a shared fire pump and a main ring network, wherein a wet alarm valve, a water flow indicator and a fire hydrant which are communicated with an original fire control cabinet are respectively arranged on the main ring network, and the fire hydrant system also comprises a newly-increased outdoor fire hydrant system which is communicated with the main ring network, and the fire hydrant system comprises an outdoor fire hydrant pump, a newly-increased fire pool and a pressure switch which is arranged on a water outlet pipe of the outdoor fire hydrant pump. According to the utility model, the number of the newly-added fire pumps and the number of the original fire pumps are set according to working conditions, so that the system can meet fire fighting flow and pressure under any condition, and the fire fighting pipeline is not exploded due to the fact that all the pumps are started simultaneously and the flow is too large, the flow speed of a pipe network is increased and the use load is increased; the additional increase of the original fire-fighting main ring network or the additional addition of an outdoor ring network for the newly added fire-fighting system is avoided. Thereby reducing the difficulty and cost of fire-fighting reconstruction of old districts and the existing buildings thereof.
Description
Technical Field
The utility model belongs to the technical field of building water supply and drainage fire-fighting systems, and relates to a fire-fighting system for fire-fighting reconstruction of an existing building.
Background
Due to the reasons of the historical development stage of the existing building and the imperfect old standard, the fire-fighting system allows the adoption of an indoor and outdoor fire hydrant and automatic water spraying system sharing system, 3 fire-fighting water pumps (one for two purposes) are used, the design flow of all fire-fighting facilities is met, a main fire-fighting ring network is used, and the flow and flow speed requirements are met.
When a local building is modified in a whole residential district or plant area, in order to meet the requirements of current standard flow and pressure, a fire pool, a fire pump and a fire pipe network matched with the fire pool and the fire pump are often required to be newly added, but the original fire ring network and a fire main ring network are laid in the whole residential district, no matter the original pipe diameter is replaced by an increased one, or a set of independent pipe network is newly added, and the modification is difficult because the related range is wide, the excavation amount is large, the construction influence range is large, and even a large number of regions which are not modified are involved.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims to provide a fire-fighting system for existing building fire-fighting reconstruction, and a water pump is added under the condition that a fire-fighting main looped network is not reconstructed, so that the existing fire-fighting standard is met.
In order to achieve the purpose, the utility model provides the following technical scheme: a fire-fighting system aiming at fire-fighting reconstruction of an existing building comprises an original fire-fighting water pool, a shared fire-fighting water pump and a main ring network, wherein a wet alarm valve, a water flow indicator and a fire hydrant which are communicated with an original fire-fighting control cabinet are respectively arranged on the main ring network;
the pressure switch is communicated with a newly-added fire control cabinet through an electric signal, and the newly-added fire control cabinet is communicated with the original fire control cabinet through a signal wire.
Optionally, the outdoor fire hydrant pump is provided with 2, one for one use and one for standby.
Optionally, the newly-increased fire-fighting control cabinet is further connected with a high-level fire-fighting pool, and a flow switch is arranged between the high-level fire-fighting pool and the newly-increased fire-fighting control cabinet.
Optionally, when a fire disaster happens, a part of pumps are selected to be started according to working conditions, and all fire pumps are prevented from being started at the same time.
The utility model has the beneficial effects that: the fire-fighting system aims at the fire-fighting reconstruction of the existing building, the number of the newly-added fire-fighting pumps and the number of the original fire-fighting pumps are set according to the working conditions, the system can meet the fire-fighting flow and pressure under any condition, the situation that the fire-fighting pipeline is exploded due to the fact that all the pumps are started simultaneously and the flow is overlarge is avoided, and the flow speed and the use load of the pipeline network are greatly increased during fire fighting is avoided. And meanwhile, the original fire-fighting main ring network is additionally increased or an outdoor ring network is additionally added for the newly added fire-fighting system. Thereby reducing the difficulty and cost of fire-fighting reconstruction of old districts and the existing buildings thereof.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For a better understanding of the objects, aspects and advantages of the present invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic view of a fire fighting system for fire fighting reformation of an existing building according to the present invention.
Reference numerals: the combined fire-fighting water pump 1, the outdoor fire hydrant pump 2, the pressure switch 3, the original fire pool 4, the newly-added fire pool 5, the main ring network 6, the fire hydrant 7, the wet alarm valve 8, the water flow indicator 9, the flow switch 10, the original fire-fighting control cabinet 11 and the newly-added fire-fighting control cabinet 12.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the utility model only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the utility model thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
Please refer to fig. 1, which is a fire fighting system for fire fighting modification of an existing building, the original fire fighting system is provided with an original fire fighting water pool 4, a shared fire fighting water pump 1 and a main ring network 6, the water pump is used as a backup, the flow rate of the single pump is 35l/s, the two fire fighting pumps are started simultaneously during fire fighting, the flow rate in the system is 70l/s, wherein the indoor flow rate is 20l/s, the outdoor flow rate is 20l/s, and the spraying flow rate is 30 l/s. The wet alarm valve 8, the water flow indicator 9 and the fire hydrant 7 are all connected to a fire control cabinet 11 through electric signals.
The fire fighting flow required by the current reconstruction building according to the current regulations is 40l/s outdoors and 30l/s indoors. The indoor and outdoor water tanks and the water pump need to increase the flow.
The utility model only needs to add an outdoor fire hydrant system which comprises an outdoor fire hydrant pump 2, wherein the outdoor fire hydrant pump is used for one purpose, a newly added fire pool 5 is used for storing all outdoor fire-fighting water, a water outlet pipe of the newly added outdoor fire hydrant pump is connected to an original fire-fighting main ring network 6, a pressure switch 3 is arranged on the water outlet pipe, and the pump can be directly started through the pressure switch 3. The roof water tank (i.e. the high-level fire pool) is provided with a flow switch 10, and the pump can also be directly started. The newly-added pressure switch 3 and the flow switch 10 are connected to a newly-added fire control cabinet 12 through electric signals, and are communicated with the original fire control cabinet 11 and the newly-added fire control cabinet 12 through a signal wire 13.
When a fire occurs, the fire position is judged by the fire alarm device, the water flow indicator 9, the position of the hydrant 7, the wet type alarm valve 8,
if a fire disaster happens to a reconstructed building, the newly-added outdoor fire hydrant pump 2 is started through the pressure switch 3 or the flow switch 10, and meanwhile, only one original fire pump 1 is started to be used as an indoor fire hydrant system for supplying water;
if the position of the fire disaster is judged to be in the non-transformation area, the shared fire pump 1 is still started according to the original fire protection design, and the newly-added outdoor fire hydrant pump 2 is not started.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (3)
1. The utility model provides a fire extinguishing system to existing building fire control transformation, includes former fire pond, share fire pump and main looped netowrk, still is provided with wet-type alarm valve, rivers indicator and the fire hydrant of the former fire control switch board of intercommunication, its characterized in that on this main looped netowrk respectively: the fire hydrant system comprises an outdoor fire hydrant pump, a newly-increased fire pool and a pressure switch, wherein the newly-increased outdoor fire hydrant system is directly communicated with the main ring network and comprises the outdoor fire hydrant pump, the newly-increased fire pool and the pressure switch arranged on a water outlet pipe of the outdoor fire hydrant pump;
the pressure switch is communicated with a newly-added fire control cabinet through an electric signal, and the newly-added fire control cabinet is communicated with the original fire control cabinet through a signal wire.
2. A fire fighting system for fire fighting alterations of existing buildings according to claim 1, characterized in that: the outdoor fire hydrant pump is provided with 2, one is used and the other is spare.
3. A fire fighting system for fire fighting alterations of existing buildings according to claim 1, characterized in that: the newly-increased fire-fighting control cabinet is also connected with a high-level fire pool, and a flow switch is arranged between the high-level fire pool and the newly-increased fire-fighting control cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122870807.9U CN216725605U (en) | 2021-11-22 | 2021-11-22 | Fire extinguishing system to existing building fire control transformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122870807.9U CN216725605U (en) | 2021-11-22 | 2021-11-22 | Fire extinguishing system to existing building fire control transformation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216725605U true CN216725605U (en) | 2022-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122870807.9U Active CN216725605U (en) | 2021-11-22 | 2021-11-22 | Fire extinguishing system to existing building fire control transformation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216725605U (en) |
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2021
- 2021-11-22 CN CN202122870807.9U patent/CN216725605U/en active Active
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