CN111564779B - Intelligent control system and control method for fire-fighting water storage and supply of transformer substation - Google Patents

Abstract

The application discloses a transformer substation fire-fighting water storage and supply intelligent control system and a control method, which relate to the technical field of transformer substation fire control and solve the problem of inconvenient cooling of a transformer in the current transformer substation in summer, and comprise a fire-fighting water storage tank and a water sprinkling tower, wherein the water sprinkling tower comprises a water storage tower and an annular tower arranged outside the periphery of the water storage tower, the inside of the annular tower is of a hollow structure, a heating device is arranged inside the annular tower, an air inlet is formed in the periphery of the bottom of the annular tower, an air outlet is formed in the top of the annular tower, the water storage tower is provided with a plurality of floors along the height direction of the water storage tower, water storage tanks are arranged on each floor, each water storage tank is provided with a water suction pump connected into the upper water storage tank, the top of the water storage tank at the top layer is provided with a spray head for spraying atomized water to the periphery, and the water storage tanks at the bottom layer are pumped from the fire-fighting water storage tank through the water suction pumps, each water storage tank is also connected with a spray gun penetrating out of the annular tower. This application can play better summer cooling effect.

Description

Intelligent control system and control method for fire-fighting water storage and supply of transformer substation

Technical Field

The application relates to the technical field of transformer substation fire control, in particular to a transformer substation fire control water storage and supply intelligent control system and a control method.

Background

The transformer substation refers to a place where voltage and current are changed, electric energy is received and distributed in an electric power system. For example, a substation in a power plant is a step-up substation, and the function of the substation is to step up electric energy generated by a generator and feed the electric energy back to a high-voltage power grid.

Because the heat that transformer internal component during operation produced need dispel the heat, if set up at outdoor transformer substation, can lead to the heat dispersion of transformer to descend because the external high temperature in summer when summer, lead to the inside temperature of transformer to rise, can lead to the tripping operation stop work easily, can the conflagration even in the serious occasion, cause the explosion, threaten the operation of personnel's safety and other equipment in the transformer substation.

Therefore, as currently granted, the utility model with publication number CN203165620U discloses a transformer cooling water spraying device, which can cool the transformer by spraying the transformer cooling fins.

For the related art, the inventor thinks that the spraying device can only cool down a single transformer due to the large number of transformers in the transformer substation, and the mode arranged in such a way is high in cost and difficult to overhaul for the whole transformer substation.

Disclosure of Invention

In order to solve the problem that the temperature of a transformer in the existing transformer substation is inconvenient to cool in summer, the application provides an intelligent control system and a control method for fire-fighting water storage and water supply of the transformer substation.

The first aspect, the application provides a transformer substation's fire control retaining, intelligent control system that feeds water adopts following technical scheme:

the utility model provides a transformer substation's fire control retaining, feedwater intelligence control system, includes fire control cistern and watering tower, the watering tower is including holding the water tower and setting up in the annular tower of retaining tower week outside, the inside hollow structure that is of annular tower, and be provided with heating device in annular tower inside, the air intake has been seted up to the week side of annular tower bottom, and annular tower top portion has the air outlet, the water storage tower is provided with a plurality of floors and is provided with the water storage box on each floor along its direction of height, each all set up the suction pump of being connected to the upper water storage box on the water storage box, and the water storage box top of top layer is provided with the shower nozzle that sprays the atomized water to week side, and the water storage box of bottom draws water, each through the suction pump follow in the fire control cistern still be connected with the spray gun of wearing out annular tower on the water storage box.

By adopting the technical scheme, when a fire condition does not occur, the water storage tank on the upper layer pumps water from the water storage tank on the lower layer through the water suction pump and is supplied to the water storage tank on the upper layer all the time, and the spray head sprays atomized water to the peripheral side of the water spraying tower to improve the humidity of the air on the peripheral side; meanwhile, the heating device in the annular tower heats the air in the annular tower to raise the temperature of the air, the hot air rises upwards, so that air can enter the air inlet below the annular tower, and the air outlet above the annular tower forms an air path, so that the fluidity of the air on the peripheral side of the water sprinkling tower is enhanced, the evaporation speed of water is increased, the temperature of the transformer substation is reduced, and the heat dissipation effect of the transformer is improved; meanwhile, if the fire occurs, the spray head is closed, and the spray gun connected to the water storage tank is started, so that the fire extinguishment of the fire at different positions is realized.

Preferably: the utility model discloses a spraying nozzle, including the shower nozzle, the side of shower nozzle still is provided with the rotor plate that shelters from the atomizing nozzle, the rotor plate has the opening of side of week, the shower nozzle top still is connected with the motor that drives the rotor plate and rotate and make the atomizing nozzle carry out the water spray in proper order.

By adopting the technical scheme, the motor drives the rotating sheet to rotate, the atomizing nozzles are exposed at intervals, and the water outlet area is reduced, so that the spraying distance of water mist is increased; the two parts enable the sprayed water mist to be sprayed spirally, water can be sprayed for the transformer intermittently, the water mist on the surface of the transformer is supplemented after being evaporated, and the water consumption is reduced.

Preferably: the width of the opening of the rotating sheet is equal to the distance between the two atomizing nozzles.

Through adopting above-mentioned technical scheme, once have and only can an atomizing spout can spray, and have atomizing spout to spray always.

Preferably: the output end of the motor is provided with a reduction box, and the reduction box reduces the speed and then drives the rotating sheet to rotate.

Through adopting above-mentioned technical scheme, can slow down the slew velocity of rotor plate.

Preferably: each water suction pump on the water storage tank is connected to the bottom of the water storage tank and is connected to the top of the upper water storage tank through a pipeline.

Through adopting above-mentioned technical scheme, the suction pump can be constantly carry the water in the water storage box to upper water storage box, as long as there is water in the fire control water storage tank, the water storage box of the superiors just can have water to supply water for the shower nozzle.

Preferably, the below of each transformer in the transformer substation is provided with emergent oil storage hole, emergent oil storage hole passes through the pipeline and links to each other with the oil tank in the transformer, and controls through the valve, emergent oil storage hole bottom is provided with the communicating pipe that links to each other with the fire control cistern.

By adopting the technical scheme, when no dangerous case occurs, the water stored in the emergency oil storage pit is used as a standby water source for storing water; when a fire occurs, the valve is opened, transformer oil in the transformer flows into the oil storage pit, and a standby water source in the oil storage pit can flow back to the fire-fighting reservoir to supply water.

Preferably: the top of the fire-fighting water storage tank is flush with the ground.

Through adopting above-mentioned technical scheme, can make the retaining in the oil storage hole will be pushed into in the fire control cistern when the valve is opened.

Preferably: the annular tower is provided with four spray gun injection ports which are uniformly distributed in the circumferential direction of the annular tower, and the annular tower is provided with a partition board which isolates the spray gun injection ports from an inner cavity of the annular tower.

Through adopting above-mentioned technical scheme, through penetrating the mouth with the spray gun and setting up in week side, can penetrate the mouth through the spray gun of different positions according to the condition of a fire and stretch out the spray gun and put out a fire.

In a second aspect, the application provides a transformer substation fire-fighting water storage and supply intelligent control method, which adopts the following technical scheme:

a control method of a fire-fighting water storage and supply intelligent control system of a transformer substation comprises the following steps:

s1, draining water in the fire-fighting water storage tank to a high position;

s2, spraying water mist to the peripheral side through a spray head;

and S3, supplying air to the transformer substation to accelerate the evaporation of the water mist to cool.

Through adopting above-mentioned technical scheme, through with water pumping to high-rise, the rethread water smoke sprays week side, improves the humidity of week side air, carries out the mobility that the air has strengthened the air for the transformer substation simultaneously, promotes the evaporation rate of water to realize the cooling of transformer substation, promote the radiating effect of transformer.

Preferably, the spray head in S2 is in a rotary spray mode.

Through adopting above-mentioned technical scheme, the rotation type is sprayed and is increased the distance of spraying to can cool down to the transformer of more remote.

In summary, the present application includes at least one of the following benefits:

1. when fire does not occur, the water storage tank on the upper layer pumps water from the water storage tank on the lower layer through the water suction pump and supplies the water to the water storage tank on the upper layer all the time, and the spray head sprays atomized water to the peripheral side of the water spray tower to improve the humidity of the air on the peripheral side; meanwhile, the heating device in the annular tower heats the air in the annular tower to raise the temperature of the air, the hot air rises upwards, so that air can enter the air inlet below the annular tower, and the air outlet above the annular tower forms an air path, so that the fluidity of the air on the peripheral side of the water sprinkling tower is enhanced, the evaporation speed of water is increased, the temperature of the transformer substation is reduced, and the heat dissipation effect of the transformer is improved; meanwhile, if fire occurs, the spray head is closed, and the spray gun connected to the water storage tank is started, so that fire extinguishment of fire at different positions is realized;

2. the motor drives the rotating sheet to rotate, the atomizing nozzles are exposed at intervals, and the water outlet area is reduced, so that the spraying distance of water mist is increased; the sprayed water mist is sprayed spirally, water can be sprayed for the transformer intermittently, the water mist on the surface of the transformer is supplemented after being evaporated, and the water consumption is reduced;

3. the water storage in the emergent oil storage pit to setting up with the fire control cistern intercommunication can promote control system's water storage capacity, satisfy the fire control and supply water needs.

Drawings

Fig. 1 is a schematic view of the overall configuration of a control system of the present embodiment;

FIG. 2 is a view showing the internal structure of the water sprinkling tower in this embodiment;

fig. 3 is an internal structural view of the head in this embodiment.

Reference numerals: 1. a fire-fighting reservoir; 2. sprinkling a water tower; 21. a water storage tower; 22. an annular tower; 221. an air inlet; 222. an air outlet; 223. a heating device; 224. a spray gun nozzle; 225. a partition plate; 23. a water storage tank; 231. a water pump; 232. a spray gun; 24. a spray head; 241. an atomizing nozzle; 25. a rotating sheet; 251. an opening; 26. a motor; 27. a support; 3. a transformer; 31. an emergency oil storage pit; 32. a communicating pipe; 33. and (4) a valve.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses fire control of transformer substation impounds, feeds water intelligent control system. Referring to fig. 1, the control system includes a fire-fighting water reservoir 1 and a sprinkler tower 2.

Referring to fig. 2, the sprinkling tower 2 includes a water storage tower 21 and an annular tower 22 disposed outside the water storage tower 21 in the circumferential direction, wherein a plurality of air inlets 221 are disposed on the circumferential side of the bottom of the annular tower 22, an air outlet 222 is disposed on the top of the annular tower 22, a heating device 223 is disposed inside the annular tower 22, a cavity inside the annular tower 22 is heated by the heating device 223, so that the temperature of air inside the annular tower 22 rises, hot air is discharged from the air outlet 222 on the top after rising, and air in the transformer substation enters from the air inlets 221 on the bottom of the annular tower 22 to realize air flow on the circumferential side of the annular tower 22.

The water storage tower 21 is provided with a plurality of floors along the height direction thereof and is provided with a water storage tank 23 on each floor, each water storage tank 23 is provided with a water suction pump 231 connected to the upper water storage tank 23, and the water suction pump 231 is connected to the bottom position of the water storage tank 23 and is upwards connected to the top position of the upper water storage tank 23 through a pipeline. The bottom reservoir 23 is pumped by the pump 231 into the fire-fighting reservoir 1 to supply water to the upper reservoir 23. A storage battery (not shown) is disposed in the storage tower 21 as an emergency power source, and can supply power to the water pump 231 when a fire occurs.

Referring to fig. 2 and 3, a nozzle 24 for spraying atomized water to the peripheral side is disposed at the top of the top-layer water storage tank 23, a pump body (not shown) for providing power to the nozzle 24 is disposed inside the water storage tank 23, atomizing nozzles 241 are disposed at intervals on the peripheral side of the nozzle 24, a rotating plate 25 for shielding the atomizing nozzles 241 is rotatably disposed inside the nozzle 24, an opening 251 is disposed on the peripheral side of the rotating plate 25, and the width of the opening 251 is equal to the interval between two atomizing nozzles 241. The top of the spray head 24 is provided with a motor 26 which drives the rotating sheet 25 to rotate, the output end of the motor 26 is provided with a reduction box, and the motor extends into the spray head 24 after being reduced by the reduction box and drives the rotating sheet 25 to rotate through a support 27 connected to the rotating sheet.

When the spray head 24 is started, the motor 26 drives the rotating sheet 25 to rotate, one increases the spraying distance of the water mist, the sprayed water mist can be sprayed spirally, the water can be sprayed intermittently to the transformer 3, the water mist on the surface of the transformer 3 is replenished after being evaporated, and the water consumption is reduced.

In addition, each water storage tank 23 is also connected with a spray gun 232 for fire fighting and extinguishing, the annular tower 22 is provided with a spray gun injection port 224 at the side wall of each floor, the opening size of the spray gun injection port 224 is far larger than that of the spray gun 232, the spray gun injection ports 224 are provided with four partition plates 225 which are uniformly distributed in the circumferential direction of the annular tower 22, the annular tower 22 is provided with a partition plate 225 which isolates the spray gun injection port 224 from the inner cavity of the annular tower 22, and the spray guns 232 can extend out of the spray gun injection ports 224 and spray water to fire occurrence points.

For promoting the retaining ability, the transformer substation is provided with emergent oil storage hole 31 in transformer 3's below, and emergent oil storage hole 31 links to each other through the oil tank in pipeline and the transformer 3, and controls through valve 33, and emergent oil storage hole 31 bottom is provided with communicating pipe 32 that links to each other with fire control cistern 1, controls through valve 33 on communicating pipe 32, and the top and the ground of fire control cistern 1 flush. When no dangerous case occurs, the water stored in the emergency oil storage pit 31 is used as a standby water source for storing water; when a fire occurs, the valve 33 is opened, the transformer 3 oil in the transformer 3 flows into the oil storage pit, the standby water source in the oil storage pit can flow back to the fire-fighting water reservoir 1 for supplying water, and the communicating pipe 32 is closed by the valve 33 after the water flows back, so that the backflow of the transformer 3 oil is avoided.

The implementation principle of the intelligent control system and the control method for fire fighting water storage and supply of the transformer substation in the embodiment of the application is as follows:

when no fire occurs, the water storage tank 23 on the upper layer pumps water from the water storage tank 23 on the lower layer through the water pump 231 to be supplied to the water storage tank 23 on the upper layer all the time, and the spray head 24 sprays atomized water to the peripheral side of the sprinkling tower 2 to improve the humidity of the air on the peripheral side; meanwhile, the heating device 223 in the annular tower 22 heats the air inside the annular tower 22 to raise the temperature of the air, and since the hot air rises upwards, air can enter the air inlet 221 below the annular tower 22, and the outlet of the air outlet 222 above the annular tower forms an air path, so that the flowability of the air around the water sprinkling tower 2 is enhanced, the evaporation speed of water is increased, the temperature of the transformer substation is reduced, and the heat dissipation effect of the transformer 3 is improved.

When a fire occurs, the spray head 24 is closed, the spray gun 232 connected to the water storage tank 23 is started, the spray gun 232 extends out of the spray gun injection port 224 to extinguish the fire at different positions, and meanwhile, water stored in the emergency oil storage pit 31 can be supplied for fire-fighting water.

The embodiment of the application also discloses an intelligent control method for fire-fighting water storage and water supply of the transformer substation. The control method comprises the following steps:

s1, draining water in the fire-fighting water reservoir 1 to a high place;

s2, spraying water mist to the peripheral side through the spray head 24, wherein the spray head 24 sprays in a rotary mode;

and S3, supplying air to the transformer substation to accelerate the evaporation of the water mist to cool.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a transformer substation's fire control retaining, intelligent control system that feeds water which characterized in that: including fire control cistern (1) and watering tower (2), watering tower (2) include water storage tower (21) and set up in annular tower (22) in water storage tower (21) circumference outside, annular tower (22) inside is hollow structure, and is provided with heating device (223) in annular tower (22) inside, air intake (221) have been seted up to the week side of annular tower (22) bottom, and annular tower (22) top has air outlet (222), water storage tower (21) are provided with a plurality of floors along its direction of height and are provided with water storage box (23) on each floor, all set up on each water storage box (23) and be connected to suction pump (231) in upper water storage box (23), and water storage box (23) top of top is provided with shower nozzle (24) that spray the atomized water to week side, and water storage box (23) of bottom draw water from fire control cistern (1) through suction pump (231), each water storage tank (23) is also connected with a spray gun (232) penetrating out of the annular tower (22).

2. The substation fire-fighting water storage and supply intelligent control system according to claim 1, characterized in that: atomizing spout (241) have been seted up at the week side interval of shower nozzle (24), the inside of shower nozzle (24) still is provided with rotating plate (25) that shelters from atomizing spout (241), rotating plate (25) have opening (251) of week side, shower nozzle (24) top still is connected with and drives rotating plate (25) and rotate motor (26) that make atomizing spout (241) carry out the water spray in proper order.

3. The substation fire-fighting water storage and supply intelligent control system according to claim 2, characterized in that: the width of the opening (251) of the rotating sheet (25) is equal to the distance between the two atomizing nozzles (241).

4. The intelligent substation fire-fighting water storage and supply control system according to claim 2, characterized in that: the output end of the motor (26) is provided with a reduction box, and the reduction box reduces the speed and then drives the rotating sheet (25) to rotate.

5. The substation fire-fighting water storage and supply intelligent control system according to claim 1, characterized in that: the water suction pump (231) on each water storage tank (23) is connected to the bottom position of the water storage tank (23) and is connected to the top position of the upper water storage tank (23) through a pipeline.

6. The substation fire-fighting water storage and supply intelligent control system according to claim 5, characterized in that: the transformer substation is characterized in that an emergency oil storage pit (31) is arranged below each transformer (3) in the transformer substation, the emergency oil storage pit (31) is connected with an oil tank in each transformer (3) through a pipeline and is controlled through a valve (33), and a communicating pipe (32) connected with a fire-fighting water storage tank (1) is arranged at the bottom of the emergency oil storage pit (31).

7. The substation fire-fighting water storage and supply intelligent control system according to claim 6, characterized in that: the top of the fire-fighting water storage tank (1) is flush with the ground.

8. The substation fire-fighting water storage and supply intelligent control system according to claim 7, characterized in that: the annular tower (22) is provided with spray gun injection ports (224) at the side wall of each floor, the spray gun injection ports (224) are four and are uniformly distributed in the circumferential direction of the annular tower (22), and the annular tower (22) is provided with a partition plate (225) for isolating the spray gun injection ports (224) from the inner cavity of the annular tower (22).

9. A fire-fighting water storage and supply intelligent control method for a transformer substation is characterized by comprising the following steps: control by means of a control system according to any of claims 1-8, comprising the steps of:

s1, draining water in the fire-fighting water reservoir (1) to a high place;

s2, spraying water mist to the peripheral side through the spray head (24);

and S3, supplying air to the transformer substation to accelerate the evaporation of the water mist to cool.

10. The intelligent fire-fighting water storage and supply control method for the transformer substation according to claim 9, characterized in that: the spray mode of the spray head (24) in the S2 is rotary spray.

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