CN216169481U - Power distribution device building fire extinguishing system - Google Patents

Abstract

The utility model relates to a power distribution unit building fire-fighting system which comprises indoor fire hydrant equipment, main transformer water spray equipment, an underground fire-fighting water pool, an underground fire-fighting water pump room, a fire hydrant equipment water supply pipe and a main transformer water spray equipment water supply pipe, wherein the indoor fire hydrant equipment water spray equipment, the main transformer water spray equipment water supply pipe, the underground fire-fighting water pump room and the main transformer water spray equipment water supply pipe are arranged in a power distribution unit building, and fire-fighting water in the underground fire-fighting water pump room is respectively supplied to the indoor fire hydrant equipment water spray equipment and the main transformer water spray equipment water supply pipe through the fire hydrant equipment water supply pipe and the main transformer water spray equipment water supply pipe. Compared with the prior art, the utility model has the advantages of small floor area, small operation and maintenance quantity and the like.

Description

A fire-fighting system for a power distribution device building

technical field

The utility model relates to the technical field of fire protection of substations, in particular to a fire protection system of a power distribution device building.

Background technique

With the growth of urban electricity consumption, the number of power distribution equipment buildings built in the city is increasing. This kind of power distribution device building built in the city generally occupies a small area, and in order to protect the life and property safety of the residents, the noise level and fire protection level of the power distribution device building are very high.

Chinese patent CN204840729U discloses a fire extinguishing system for underground substations, including a water spray fire extinguishing system and a pre-action water spray system. The water spray fire extinguishing system includes a water spray upper ring pipe, a water spray lower ring pipe, a water spray top pipe, a water spray nozzle, an upper connecting water pipe, a lower connecting water pipe, a support pole, a boom, a water spray pump set, and an inlet. The water pipeline, the pre-action water spray system, includes a water spray pump group, a water spray pipeline, an automatic exhaust valve, a water flow indicator, a water spray branch pipe, and a collection well of the waste water pump house. The water spray pump set includes a water spray pump, a spare water spray pump, a fire hydrant stabilizer pump and a water spray pressure tank. The patent is equipped with a water spray fire extinguishing system, although it can ensure the fire extinguishing efficiency, but the large air pressure tank used in this patent is used to pressurize the fire fighting system. The land area cannot be used in the power distribution equipment building built in the city.

SUMMARY OF THE INVENTION

The purpose of the utility model is to provide a fire protection system for a power distribution device building with a small footprint and less operation and maintenance in order to overcome the above-mentioned defects of the prior art.

The purpose of the present utility model can be achieved through the following technical solutions:

A fire-fighting system for a power distribution device building, the fire-fighting system includes indoor fire hydrant equipment, main transformer water spray equipment, underground fire fighting pool, underground fire pump room, fire hydrant equipment water supply pipe and main transformer water installed in the power distribution device building Water supply pipe for spray equipment; the underground fire pump room supplies fire water in the underground fire pool to the indoor fire hydrant equipment and the main variable water spray equipment respectively through the water supply pipe for fire hydrant equipment and the water supply pipe for main transformer water spray equipment.

Preferably, the main variable water spray equipment includes a main variable water spray pump and a deluge valve; a low-pressure pressure switch is provided at the outlet of the main variable water spray pump; when the fire alarm signal is received, the deluge valve is opened , the fire-fighting water in front of the deluge valve pours into the empty pipe behind the deluge valve, causing the pipeline pressure in front of the deluge valve to decrease. The low-pressure pressure switch detects that the pressure drop is greater than the preset threshold and starts the main transformer water spray pump to supply water.

More preferably, the underground fire pump room is provided with a main fire pump, a main fire stabilizer pump, a stabilizer tank, a water spray fire pump and a water spray stabilizer pump;

The main fire-fighting water pump, the main fire-stabilizing pump and the water spray fire-fighting water pump are respectively connected to the underground fire-fighting pool; the output port of the main fire-stabilizing pump is connected to the voltage-stabilizing tank; The output ports of the tank are respectively connected to the indoor fire hydrant equipment through the fire hydrant equipment water supply pipe;

The output port of the water spray fire-fighting pump is connected to the water spray stabilizer pump; the output port of the water spray stabilizer pump is connected to the main transformer water spray device through the main transformer water spray device.

More preferably, the main variable water spray equipment further comprises a water spray open nozzle; the input port of the water supply pipe of the main variable water spray equipment is connected to a water spray firefighting pump, and the output port is connected to the main variable water spray pump; The output port of the main variable water spray pump is connected to a water spray open-type nozzle through a deluge valve.

More preferably, a water collecting well is provided in the underground fire fighting pool; the main fire fighting water pump, the main fire fighting pressure stabilizer pump and the water spray fire fighting water pump are respectively connected to the water collecting well.

Preferably, the underground fire fighting pool is wrapped around the underground fire fighting water pump house.

More preferably, the underground fire fighting pool is an "L" type fire fighting pool.

Preferably, a part of the fire-fighting pool is arranged under the power distribution unit building, and the other part is arranged below the road.

Preferably, a Y-shaped filter is provided on the water supply pipe of the main variable water spray equipment.

Preferably, the underground fire fighting pool is supplied with water through an existing municipal water supply pipeline.

Compared with the prior art, the utility model has the following beneficial effects:

1. Small footprint: The fire protection system of the power distribution device building in this utility model is provided with a low pressure pressure switch at the main pipe at the outlet of the main transformer water spray pump. When the fire alarm signal is received, the deluge valve is controlled to open, and the original pipe After the water in the network pours into the empty pipe of the valve, the pressure in the pipe network before the valve decreases, and the low-pressure pressure switch detects that the pressure is greatly reduced and starts the main transformer water spray pump to supply water. The volume of various types of pumps and surge tanks in the pump house, the adjustment of the fire protection system this time has greatly optimized the floor area of the fire pump house; at the same time, part of the underground fire pool is set below the power distribution unit building, and the other part is set at Road fire not only reduces the road down.

2. Less operation and maintenance: The fire protection system of the power distribution device building in this utility model is a combination of indoor fire hydrant equipment and main transformer water spray equipment, and a voltage stabilizer facility is used to replace the fire-fighting high-level water tank, which greatly reduces unnecessary operation and maintenance work. quantity.

Description of drawings

Fig. 1 is the structural representation of the fire protection system in the utility model;

Figure 2 is a schematic structural diagram of an underground fire fighting water pump house and an underground fire fighting pool in the utility model.

The numbers in the figure show:

1. Indoor fire hydrant equipment, 2. Main variable water spray equipment, 3. Underground fire pool, 4. Underground fire pump room, 5. Water supply pipe for fire hydrant equipment, 6. Water supply pipe for main variable water spray equipment, 401. Main fire pump, 402, the main fire stabilizer pump, 403, the stabilizer tank, 404, the water spray fire pump, 405, the water spray stabilizer pump.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are a part of the embodiments of the present utility model, rather than all the embodiments. . Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

A fire protection system for a power distribution unit building, the structure of which is shown in Figures 1 and 2, including indoor fire hydrant equipment 1, main transformer water spray equipment 2, underground fire pool 3, and underground fire pump room 4 arranged in the power distribution unit building , the water supply pipe 5 of the fire hydrant equipment and the water supply pipe 6 of the main variable water spray equipment. The underground fire pump house 4 supplies the fire water in the underground fire pool 3 to the indoor fire hydrant equipment 1 and the main transformer water spray equipment 2 through the fire hydrant equipment water supply pipe 5 and the main variable water spray equipment water supply pipe 6 respectively.

The main variable water spray device 2 includes a main variable water spray pump and a deluge valve. A low pressure pressure switch is arranged at the outlet of the main transformer water spray pump. When the fire alarm signal is received, the deluge valve is opened, and the fire water in front of the deluge valve pours into the empty pipe behind the deluge valve, which causes the pressure of the pipeline in front of the deluge valve to decrease, and the low pressure pressure switch detects that the pressure drop is greater than the preset threshold. Then start the main variable water spray pump to supply water. After adopting a new fire-fighting water supply system in this embodiment, the volumes of various water pumps and pressure-stabilizing tanks in the fire-fighting pump house are greatly reduced. The adjustment of the fire-fighting system this time greatly optimizes the floor space of the fire-fighting pump house.

The underground fire pump room 4 is provided with a main fire pump 401 , a main fire stabilizer pump 402 , a stabilizer tank 403 , a water spray fire pump 404 and a water spray stabilizer pump 405 . The main fire fighting water pump 401 , the main fire fighting stabilizer pump 402 and the water spray fire fighting water pump 405 are respectively connected to the underground fire fighting pool 3 . The output port of the main fire stabilizing pump 402 is connected to the stabilizing tank 403 . The output ports of the main fire water pump 401 and the surge tank 403 are respectively connected to the indoor fire hydrant equipment 1 through the fire hydrant equipment water supply pipe 5 . The output port of the water spray fire fighting pump 404 is connected to the water spray stabilizer pump 405 . The output port of the water spray stabilizer pump 405 is connected to the main variable water spray device 2 through the main variable water spray device 2 . The main variable water spray device 2 also includes a water spray open nozzle. The input port of the water supply pipe 6 of the main transformer water spray equipment is connected to the water spray fire pump 405, and the output port is connected to the main transformer water spray pump. The output port of the main variable water spray pump is connected to the water spray open nozzle through the deluge valve.

The underground fire fighting pool 3 is provided with a water collecting well. The main fire water pump 401, the main fire stabilizer pump 402 and the water spray fire water pump 405 are respectively connected to the water collecting well. The underground fire fighting pool 3 is wrapped around the underground fire fighting water pump house 4 . The underground fire-fighting pool 3 in this embodiment is an "L"-shaped fire-fighting pool, and a part of the fire-fighting pool 3 is arranged under the power distribution device building, and the other part is arranged below the road. It not only reduces the amount of replacement works under the road, but also makes full use of the only land area from the plane and elevation.

The water supply pipe 6 of the main transformer water spray equipment is provided with a Y-type filter, which is used to prevent the blockage of the open nozzle of the water spray and ensure the effectiveness of the fire protection system.

The underground fire fighting pool 3 in this embodiment is supplied with water through an existing municipal water supply pipeline.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Equivalent modifications or replacements should be included within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims (10)

1. A fire protection system for a power distribution device building, characterized in that the fire protection system comprises an indoor fire hydrant device (1), a main transformer water spray device (2), an underground fire fighting pool (3) arranged in the power distribution device building ), the underground fire pump house (4), the fire hydrant equipment water supply pipe (5) and the main transformer water spray equipment water supply pipe (6); the underground fire pump house (4) passes through the fire hydrant equipment water supply pipe (5) and the main transformer. The water-spraying equipment water supply pipe (6) supplies the fire-fighting water in the underground fire-fighting pool (3) to the indoor fire hydrant equipment (1) and the main variable water spraying equipment (2) respectively. 2. A fire protection system for a power distribution device building according to claim 1, wherein the main transformer water spray equipment (2) comprises a main transformer water spray pump and a deluge valve; There is a low pressure pressure switch at the outlet of the spray pump; when the fire alarm signal is received, the deluge valve is opened, and the fire water in front of the deluge valve pours into the empty pipe behind the deluge valve, resulting in a decrease in the pipeline pressure in front of the deluge valve, and the low pressure The switch detects that the pressure drop is greater than the preset threshold and starts the main variable water spray pump to supply water. 3. A fire protection system for a power distribution device building according to claim 2, characterized in that the underground fire water pump house (4) is provided with a main fire water pump (401), a main fire stabilizer pump (402), Pressure stabilizer tank (403), water spray fire fighting pump (404) and water spray stabilizer pump (405); The main fire fighting water pump (401), the main fire stabilizing pump (402) and the water spray fire fighting water pump (405) are respectively connected to the underground fire fighting pool (3); the output port of the main fire fighting stabilizing pump (402) Connecting to the surge tank (403); the output ports of the main fire water pump (401) and the surge tank (403) are respectively connected to the indoor fire hydrant equipment (1) through the fire hydrant equipment water supply pipe (5); The output port of the water spray fire fighting water pump (404) is connected to the water spray stabilizer pump (405); the output port of the water spray stabilizer pump (405) is connected to the main water spray device (2) through the main variable water spray device (2). Variable water spray equipment (2). 4. A fire protection system for a power distribution device building according to claim 3, characterized in that the main transformer water spray equipment (2) further comprises a water spray open nozzle; the main transformer water spray equipment supplies water The input port of the pipe (6) is connected to the water spray firefighting pump (405), and the output port is connected to the main transformer water spray pump; the output port of the main transformer water spray pump is connected to the water spray open nozzle through the deluge valve. 5. A fire protection system for a power distribution device building according to claim 3, wherein the underground fire fighting pool (3) is provided with a water collecting well; the main fire fighting water pump (401), the main fire fighting stabilizer The pressure pump (402) and the water spray fire-fighting pump (405) are respectively connected to the water collecting well. 6 . The fire protection system of a power distribution device building according to claim 1 , wherein the underground fire fighting pool ( 3 ) is wrapped around the underground fire fighting water pump house ( 4 ). 7 . 7 . The fire protection system of a power distribution device building according to claim 6 , wherein the underground fire fighting pool ( 3 ) is an “L”-shaped fire fighting pool. 8 . 8 . The fire protection system of a power distribution device building according to claim 1 , wherein a part of the fire fighting pool ( 3 ) is arranged under the power distribution device building, and the other part is arranged below the road. 9 . 9 . The fire protection system of a power distribution device building according to claim 1 , wherein a Y-shaped filter is provided on the water supply pipe ( 6 ) of the main transformer water spray equipment. 10 . 10 . The fire protection system of a power distribution device building according to claim 1 , wherein the underground fire fighting pool ( 3 ) supplies water through an existing municipal water supply pipeline. 11 .

Images