CN218116636U - Improved generation transformer substation ground fire control water supply facility - Google Patents
Improved generation transformer substation ground fire control water supply facility Download PDFInfo
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- CN218116636U CN218116636U CN202221538274.2U CN202221538274U CN218116636U CN 218116636 U CN218116636 U CN 218116636U CN 202221538274 U CN202221538274 U CN 202221538274U CN 218116636 U CN218116636 U CN 218116636U
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Abstract
The utility model provides an improved generation transformer station is fire control water supply facilities on ground, includes fire-fighting water pond, water pump house, the groove that absorbs water, escape canal and sump pit, one side in the water pump house is located to the escape canal, the lower part in fire-fighting water pond is located to the groove that absorbs water and is close to the escape canal, the one end in escape canal is connected to the sump pit, be equipped with liquid level signal device and overflow pipe in the fire-fighting water pond, liquid level signal device transmits to control room or room on duty in the fire-fighting water pond of gathering, the overflow pipe passes the partition wall between fire-fighting water pond and the water pump house and is connected with the sump pit. The utility model can effectively reduce the land area of the fire pool and the water pump house, and achieve the purpose of saving land; the safety construction of the on-ground fire-fighting water supply facility of the transformer substation is facilitated, and the risk level in the construction process is reduced; the water pump house is convenient for fire-fighting evacuation, thereby reducing the land area and saving the manufacturing cost.
Description
Technical Field
The utility model relates to a fire control water supply facility especially relates to an improved generation transformer substation water supply facility of fighting on ground.
Background
The fire-fighting water pool of the existing transformer substation ground fire-fighting water supply facility is buried underground, a water pump room meets the requirement of self-filling water absorption, most of vertical pumps are buried underground, the risk level is high in the construction process, and special expert argumentation and the like are required to be carried out on the construction scheme. Through relevant research on the transformer substation ground fire-fighting water supply facilities and the like, the effective volume height difference of a fire pool is effectively increased, and the land area of the fire pool and a water pump room is reduced while the safety construction of the transformer substation ground fire-fighting water supply facilities is facilitated and the risk level in the construction process is reduced; the water pump room is convenient to evacuate during fire fighting, the building area is reduced, and the manufacturing cost is saved while the purpose of saving the land is achieved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that, overcome the above-mentioned defect that prior art exists, provide a fire control water supply facilities safety construction of transformer substation of being convenient for, reduce area, save the improved generation transformer substation ground fire control water supply facilities of cost.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an improved generation transformer station ground fire control water supply facility, includes fire-fighting water pond, water pump house, water absorption tank, escape canal and sump pit, one side of water pump house is located to the escape canal, the lower part of fire-fighting water pond is located to the water absorption tank and is close to the escape canal, the one end in escape canal is connected to the sump pit, be equipped with liquid level signal device and overflow pipe in the fire-fighting water pond, water level signal transmission to control room or duty room in the fire-fighting water pond that liquid level signal device will gather, the overflow pipe passes the partition wall between fire-fighting water pond and the water pump house and is connected with the sump pit.
Furthermore, a fire pump, a platform, a step, a water suction pipe, a pressure stabilizing pump, an air pressure tank, a magnetic coupling liquid level meter, a hydraulic water level control valve, a pressure release valve, a water hammer eliminator, a pressure switch, a safety valve, a pressure transmitter, an electric contact pressure meter and a flow switch are arranged in the water pump room.
Furthermore, be equipped with inlet tube, pressure release pipe and examination water pipe in the fire-fighting water pond.
Further, the upper portion roof of fire-fighting water pool is equipped with air vent and maintenance manhole, the fire-fighting water pool inner wall is equipped with overhauls the cat ladder.
Furthermore, a hydraulic water level control valve is arranged on the water inlet pipe.
Furthermore, the magnetic coupling liquid level meter penetrates through a partition wall between the fire pool and the water pump room, and the water level in the fire pool is collected and displayed.
Further, a submersible sewage pump drainage system is arranged in the water collecting well.
Furthermore, a water drain pipe is arranged on a partition wall between the fire pool and the water pump room.
Further, the fire pool can be provided with two fire pools which can be independently used.
The utility model can effectively increase the effective volume height difference of the fire pool and reduce the land area of the fire pool and the water pump house while facilitating the safe construction of the fire water supply facility of the transformer substation and reducing the risk level in the construction process; meanwhile, the water pump house is convenient to evacuate during fire fighting, the building area is reduced, the purpose of saving land is achieved, and the manufacturing cost is saved.
Drawings
FIG. 1 is a simplified plan view of an embodiment of the present invention;
FIG. 2 is a simplified cross-sectional schematic view of an embodiment of the present invention;
fig. 3 is a schematic view of a main fire-fighting water supply system according to an embodiment of the present invention.
In the figure: 1-transformer substation ground fire-fighting water supply facility, 2-fire pool, 3-water pump house, 4-water suction tank, 5-fire pump, 6-water collecting well, 7-platform, 8-step, 9-outdoor terrace, 10-water suction pipe, 11-pressure stabilizing pump, 12-air pressure tank, 13-liquid level signal device, 14-magnetic coupling liquidometer, 15-hydraulic water level control valve, 16-overflow pipe, 17-pressure relief valve, 18-water hammer eliminator, 19-pressure switch, 20-safety valve, 21-pressure transmitter, 22-electric contact pressure gauge, 23-flow switch, 24-vent hole, 25-maintenance manhole, 26-maintenance ladder, 27-submersible sewage pump drainage system, 28-drainage ditch, 29-drainage pipe, 30-water collecting well bottom plate, 31-pressure relief pipe, 32-water testing pipe, 33-water inlet pipe.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the substation water supply facility 1 in this embodiment includes a fire pool 2, a pump house 3, a water suction tank 4, a drainage ditch 28, and a water collection well 6, wherein the water suction tank 4 is located at the lower part of the fire pool 2 and near the drainage ditch 28 on the side of the pump house 3, a water drain pipe 29 is arranged on a partition wall between the fire pool 2 and the pump house 3, the water collection well 6 is located at the lower part of one end of the drainage ditch 28 on the side of the pump house 3, a liquid level signal device 13 and an overflow pipe 16 are arranged in the fire pool 2, and the liquid level signal device 13 is used for collecting signals of a minimum effective water level, a minimum alarm water level, a normal water level, a maximum alarm water level, an overflow water level and the like in the fire pool 2 and transmitting the signals to a fire control room or an on duty room; the overflow pipe 16 leads through the partition between the fire pool 2 and the pump house 3 to the sump 6.
The upper portion roof of fire pond 2 is equipped with air vent 24 and overhauls manhole 25, and through overhauing manhole 25 and the maintenance cat ladder 26 that the 2 inside walls of fire pond set up, can follow and overhaul in the fire pond 2 top entering fire pond 2.
The fire pool is provided with a water inlet pipe 33, a pressure relief pipe 31 and a water test pipe 32. A hydraulic water level control valve 15 is arranged on the water inlet pipe 33, the water inlet pipe 33 penetrates through a partition wall between the fire pool 2 and the water pump room 3 to inject fire water into the fire pool 2, and the hydraulic water level control valve 15 is used for controlling the water level of the fire water; the pressure relief pipe 31 passes through a partition wall between the fire pool 2 and the water pump room 3 and enters the fire pool 2; the water test pipe 32 passes through a partition wall between the fire pool 2 and the water pump room 3 and enters the fire pool 2.
The fire-fighting water supply system is characterized in that a fire pump 5, a platform 7, a step 8, a water suction pipe 10, a pressure stabilizing pump 11, an air pressure tank 12, a magnetic coupling liquid level meter 14, a hydraulic water level control valve 15, a pressure release valve 17, a water hammer eliminator 18, a pressure switch 19, a safety valve 20, a pressure transmitter 21, an electric contact pressure gauge 22 and a flow switch 23 are arranged in the water pump room 3, so that normal operation of fire-fighting water supply facilities is guaranteed.
The water suction pipe 10 penetrates through a partition wall between the fire pool 2 and the water pump room 3 to absorb water in the fire pool 2; the magnetic coupling liquid level meter 14 penetrates through a partition wall between the fire pool 2 and the water pump room 3 up and down and is used for collecting the water level in the fire pool 2 and displaying the water level in the fire pool 2 on site.
A submersible sewage pump drainage system 27 is arranged in the water collecting well 6 and is used for collecting the wastewater discharged into the water collecting well 6 from the drainage ditch 28, the drain pipe 29 and the overflow pipe 16 and discharging the wastewater to an outdoor rainwater pipe network.
The improved transformer substation ground fire-fighting water supply facility 1 outdoor terrace 9 elevation plus or minus 0.0m, platform 7 elevation 0.15m, fire pool 2 bottom elevation minus 0.2m, water suction groove 4 bottom elevation minus 1.2m, water pump room 3 ground elevation minus 0.60m, water collecting well 6 bottom elevation minus 1.60m, lowest water collecting well bottom plate 30 thickness 0.4m, water collecting well bottom plate 30 bottom elevation minus 2.00m; the utility model discloses the excavation degree of depth of fire control water supply installation 1 on the ground of transformer substation is less than 3m for 2.00m, is the level four risk operation in the construction process. Compared with the existing deep foundation pit with the excavation depth of more than 6m of the water suction groove and the water collection well of the substation ground fire-fighting water supply facility, and the foundation pit excavation risk grade is the second-level height risk, the water suction groove and the water collection well of the substation ground fire-fighting water supply facility 1 are reduced to a shallow foundation pit with the excavation depth of 2.00m, and the second-level height risk of the foundation pit excavation is reduced to the fourth-level general safety risk.
The utility model provides a transformer substation ground fire control water supply installation 1's roof elevation 7.30m, 3 ground elevations in water pump room-0.60 m, water pump room floor height 7.90m is for highly being less than 8 m's template braced system, is tertiary risk operation in the construction process. Compared with the existing fire pump room of the fire-fighting water supply facility of the transformer substation, which meets the requirement of self-filling water absorption, the vertical pump is mostly buried underground, and the risk grade that the height of the template support system of the water pump room exceeds 8.0m is a second-level height risk, the template support system of the overground fire-fighting water supply facility 1 of the transformer substation, which is 7.90m high and less than 8m high, and the construction concrete template support system are reduced to third-level significant risks from the second-level height risk.
In this embodiment, the effective volume of the fire pool 2 is fixed, the pipe center elevation of the water suction pipe 10 connected to the fire pump 5 is ± 0.0m (the lowest effective water level is 0.25 m), the pressure relief pipe 31, the water test pipe 32 and the water inlet pipe 33 pass through the partition wall pipe center elevation between the fire pool 2 and the water pump room 3 is 6.8m, the magnetic coupling level gauge 14 passes through the partition wall pipe center elevation between the fire pool 2 and the water pump room 3 to be-0.20 m, the low water level alarm elevation of the fire pool 2 is 6.25m (the highest effective water level), and the effective volume altitude difference of the fire pool 2 can reach 6.0m. Compared with the existing fire pool of the substation fire water supply facility, the effective volume height difference of the substation ground fire water supply facility 1 is smaller than 3m, the effective volume height difference is doubled, the occupied area is reduced by half, and therefore the occupied area is reduced, and the resources are saved.
In the embodiment, the aboveground fire-fighting water supply facility 1 of the transformer substation is mainly aboveground, the cost of the outer enclosure structure on the overground part is increased, but the cost of excavation of the earth and stone on the lower part and the cost of outward transportation of the earth and stone are reduced, and the cost of the excavation of the earth and stone on the lower part and the cost of outward transportation of the earth and stone are almost balanced. Meanwhile, the height 0.6m of the underground part of the water pump house 3 is smaller than the height 7.3m of the overground part, the water pump house 3 belongs to an overground building, and a simple platform 7 and a step 8 are arranged for evacuation according to the existing 'building design fire protection code'; the underground parts of the existing fire pool and the water pump house are higher than the overground parts, the water pump house belongs to a basement building, and the evacuation is carried out according to the existing 'building design fire protection code' and needs to be provided with a closed staircase. The improved water pump room is evacuated to form a simple platform 7 and step steps 8, and compared with the existing water pump room which needs to be evacuated to form a closed staircase, the improved water pump room has the advantages that the engineering quantity is reduced, the building area is reduced, the occupied area is reduced, the land area can be reduced, and the manufacturing cost is saved.
Example 2:
the present embodiment is different from the present embodiment 1 in that the roof elevation of the above-ground fire-fighting water supply facility 1 of the transformer substation is 4.30m, the pressure relief pipe 31, the water test pipe 32 and the water inlet pipe 33 penetrate through the partition wall between the fire pool 2 and the water pump room 3, the pipe center elevation is 3.8m, the magnetic coupling liquid level meter 14 penetrates through the partition wall between the fire pool 2 and the water pump room 3, the pipe center elevation is 3.8m, the low water level alarm elevation of the fire pool 2 is 3.25m (the highest effective water level), and the effective volume height difference of the fire pool 2 can reach 3.0m. The template support system with the ground elevation of the water pump room 3 being 0.60m, the height of the water pump room layer being 4.90m and the height being less than 5m is adopted, and four-stage general risk operation is performed in the construction process. Compared with the fire pump room of the existing transformer substation fire-fighting water supply facility which meets the requirement of self-filling water absorption by adopting a vertical pump, the transformer substation fire-fighting water supply facility adopts a mode that most of the vertical pump is buried underground, and the mode supporting system of the water pump room is higher than 8.0m and has a risk grade of two-level height, the mode supporting system of the transformer substation ground fire-fighting water supply facility 1, which is higher than 4.90m and lower than 5m, and the construction concrete mode supporting system are reduced to four-level general risk from two-level height risk.
Practice shows that the utility model can effectively reduce the second-level height risk to the third-level significant safety risk or the fourth-level general safety risk in the construction process of the existing fire pool and water pump house, and the construction scheme does not need expert demonstration and is convenient for construction; the land area of a fire pool and a water pump room can be effectively reduced while the second-level height risk reaches the third-level obvious safety risk, so that the purpose of saving land is achieved; the water pump room is convenient for fire-fighting evacuation, thereby reducing the land area and saving the manufacturing cost.
Various modifications and variations of the present invention may be made by those skilled in the art, and they are within the scope of the present invention provided they are within the scope of the claims and their equivalents.
What is not described in detail in the specification is prior art that is well known to those skilled in the art.
Claims (9)
1. The utility model provides an improved generation transformer station is fire control water supply facilities on ground, includes fire-fighting water pond, water pump house, water absorption tank, escape canal and collector well, its characterized in that: one side in water pump room is located to the escape canal, the lower part in fire pond is located to the groove that absorbs water and is close to the escape canal, the one end in the escape canal is connected to the sump pit, be equipped with liquid level signal device and overflow pipe in the fire pond, water level signal transmission to control room or the room on duty in the fire pond that liquid level signal device will gather, the overflow pipe passes the partition wall between fire pond and the water pump room and is connected with the sump pit.
2. An improved substation above-ground fire service water supply installation according to claim 1, wherein: the water pump room is internally provided with a fire pump, a platform, a step, a water suction pipe, a pressure stabilizing pump, an air pressure tank, a magnetic coupling liquid level meter, a hydraulic water level control valve, a pressure release valve, a water hammer eliminator, a pressure switch, a safety valve, a pressure transmitter, an electric contact pressure meter and a flow switch.
3. An improved substation above-ground fire service water supply installation according to claim 1, wherein: a water inlet pipe, a pressure relief pipe and a water test pipe are arranged in the fire-fighting water tank.
4. An improved substation above-ground fire service water supply installation according to claim 1, wherein: the upper portion roof of fire-fighting pool is equipped with air vent and maintenance manhole, the fire-fighting pool inner wall is equipped with overhauls the cat ladder.
5. An improved substation above-ground fire service water supply installation according to claim 3, wherein: and a hydraulic water level control valve is arranged on the water inlet pipe.
6. An improved substation above-ground fire service water supply installation according to claim 2, wherein: and the magnetic coupling liquid level meter penetrates through a partition wall between the fire pool and the water pump room, and acquires and displays the water level in the fire pool.
7. An improved substation above-ground fire service water supply installation according to claim 1, wherein: and a sewage submersible pump drainage system is arranged in the water collecting well.
8. An improved substation above-ground fire service water supply installation according to claim 1, wherein: and a water drain pipe is arranged on a partition wall between the fire pool and the water pump room.
9. An improved substation above-ground fire service water supply installation according to claim 1, wherein: the fire pool is provided with one or more grids.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221538274.2U CN218116636U (en) | 2022-06-17 | 2022-06-17 | Improved generation transformer substation ground fire control water supply facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221538274.2U CN218116636U (en) | 2022-06-17 | 2022-06-17 | Improved generation transformer substation ground fire control water supply facility |
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| Publication Number | Publication Date |
|---|---|
| CN218116636U true CN218116636U (en) | 2022-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221538274.2U Active CN218116636U (en) | 2022-06-17 | 2022-06-17 | Improved generation transformer substation ground fire control water supply facility |
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|---|---|
| CN (1) | CN218116636U (en) |
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2022
- 2022-06-17 CN CN202221538274.2U patent/CN218116636U/en active Active
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