CN111192742A

CN111192742A - Emergency treatment device with dry-type transformer is inside to catch fire

Info

Publication number: CN111192742A
Application number: CN202010017174.4A
Authority: CN
Inventors: 左刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2020-05-22

Abstract

The invention relates to the technical field of transformers and discloses an emergency treatment device with a dry type transformer internal firing function. According to the invention, through the organization structure of the traction rope and the iron sheet arranged above the interior of the equipment, the storage tanks at the bottoms of the two sides of the equipment can be broken after a fire occurs in the equipment, so that the storage tanks are mixed to generate acid-base neutralization reaction to release a large amount of carbon dioxide, and the carbon dioxide is sprayed to the ignition point position in the transformer to achieve the emergency fire extinguishing effect.

Description

Emergency treatment device with dry-type transformer is inside to catch fire

Technical Field

The invention relates to the technical field of transformers, in particular to an emergency treatment device for internal ignition of a dry-type transformer.

Background

Dry-type transformers are widely used in local lighting, high-rise buildings, airports, wharf CNC mechanical equipment and other places, and the dry-type transformers refer to transformers in which iron cores and windings are not immersed in insulating oil.

When the dry type transformer is used, the insulating rubber sleeve is arranged outside the winding coil inside the dry type transformer, the surface aging of the dry type transformer can be caused after the dry type transformer is used for a long time, and further a fire disaster is caused.

The conventional dry-type transformer is lack of an emergency treatment device capable of extinguishing the internal fire source of the equipment after the equipment is ignited, so that the internal fire source of the equipment cannot be extinguished in the first time after the equipment is ignited, therefore, the conventional dry-type transformer has great potential safety hazard in the use process, and certain defects exist in the design of the conventional dry-type transformer.

Disclosure of Invention

The invention provides an emergency treatment device with a dry-type transformer internal fire function, which has the advantages that the emergency treatment device can be used for timely treating the internal fire of equipment after the internal fire of the equipment is started, the internal explosion of the equipment is prevented, the internal pressure is timely relieved, and the problems in the background art are solved.

The invention provides the following technical scheme: including the transformer body and the fixed case of locating the transformer body left and right sides, the inside of fixed case is equipped with the air cavity, the inner bottom of air cavity is equipped with weak acid bin and sodium bicarbonate bin, two the guide rail has all been seted up to the outer wall of fixed incasement chamber, two the equal movable mounting in top of guide rail has the iron sheet, one the top fixedly connected with haulage rope of iron sheet, the other end of haulage rope and the top fixed connection of another iron sheet, the equal fixed mounting in top of two fixed casees has the leading wheel, the both ends of haulage rope all with the outer swing joint along of leading wheel, the leading wheel is located the top of air cavity, the iron sheet is used for falling the laggard weak acid bin and the sodium bicarbonate bin of splitting, one side middle part of air cavity is equipped with stretches into this internal gas outlet of.

Preferably, a shunt pipe is arranged at the air outlet end in the middle of one side of the air cavity, and an air outlet nozzle is arranged at the other end of the shunt pipe.

Preferably, the air outlet nozzle and the winding group in the transformer body are in the same vertical plane.

Preferably, transformer body top inner chamber's both sides fixed mounting has the kerosene bin, the top of air cavity inner chamber is equipped with the heat pipe, and the other end of heat pipe runs through the outer wall of kerosene bin and extends to the inside of kerosene bin, the movable groove has been seted up to the inboard of two kerosene bin inner chambers, the inner chamber movable mounting of two kerosene bins has the piston, transformer body top inner chamber's middle part fixed mounting has the fixed plate, a plurality of air vents have been seted up to transformer body's upper surface, a plurality of air vents have been seted up to the outer wall of fixed plate, the fly leaf has all been placed to the upper surface and the below of fixed plate, a plurality of air vents have been seted up to transformer body top inner chamber's bottom, a plurality of through holes.

Preferably, the sodium bicarbonate storage tank is positioned inside the weak acid storage tank, the weak acid storage tank comprises a thin wall and a liquid inlet, the sodium bicarbonate storage tank comprises an inclined wall and a liquid inlet, and the inclined wall is fixedly connected with the bottom end of the thin wall.

The invention has the following beneficial effects:

1. this emergency treatment device with inside ignition of dry-type transformer, organizational structure through being equipped with haulage rope and iron sheet in the inside top of equipment, can break the bin of equipment both sides bottom after the equipment is inside to take place the fire disaster, make its mixture produce a large amount of carbon dioxide of acid-base neutralization reaction release, spout to the inside ignition point position of transformer, reach the effect of emergent fire extinguishing, and set up through the variable cross section of giving vent to anger shower nozzle, the inner chamber of equipment is penetrated with the state of high-pressure high velocity of flow to a large amount of carbon dioxide gas at the instant, make the air around the ignition point thin, simultaneously to the effect of playing the cooling around the ignition point, the efficiency of putting out a fire with higher speed.

2. This emergency treatment device with inside ignition of dry-type transformer, can produce a large amount of heat energy when the inside acid-base liquid of bin mixes, its heat energy conducts the inside to the kerosene holding vessel through the heat pipe, and then make its inside kerosene be heated and take place the inflation, make it promote the piston motion, the piston promotes the fly leaf motion simultaneously, make two fly leaves and the equipment upper surface all set up some air vents coincidence, in time carry out the pressure release to the inside high-pressure state of equipment, on the other hand, the aperture of its air vent and through hole is less can spray inside flue gas to higher height when it carries out the pressure release, in order to reach the effect of reporting to the police.

3. According to the emergency treatment device with the dry-type transformer internal ignition function, the through holes are respectively arranged above and below the fixing plate, so that the transformer is in a normal use state, and a hole bidirectional sealing effect is achieved, and the normal and stable work of the dry-type transformer is guaranteed.

Drawings

FIG. 1 is a schematic view of the interior of the structure of the present invention;

FIG. 2 is a schematic view of the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 1;

FIG. 4 is an enlarged view of the point B in FIG. 1;

FIG. 5 is a schematic diagram of the weak acid storage tank and the sodium bicarbonate storage tank according to the present invention.

In the figure: 1. a transformer body; 2. a fixed box; 3. a vent hole; 4. a heat insulation plate; 5. a weak acid storage tank; 501. thin wall; 502. a liquid inlet; 6. a sodium bicarbonate storage tank; 601. a sloped wall; 602. a liquid inlet; 7. an air cavity; 8. a guide rail; 9. an air outlet nozzle; 10. iron sheets; 11. a hauling rope; 12. a heat conducting pipe; 13. a kerosene storage tank; 14. a movable plate; 15. a fixing plate; 16. a guide wheel; 17. a piston; 18. a movable groove; 19. a shunt tube; 20. a through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an emergency treatment device for dry type transformer internal fire comprises a transformer body 1, fixed boxes 2 are fixedly installed on two sides of the transformer body 1, heat insulation boards 4 are fixedly installed at the bottom and the inner side of the inner cavities of the two fixed boxes 2, a weak acid storage box 5 is fixedly installed on the upper surface of the heat insulation board 4 at the bottom, a sodium bicarbonate storage box 6 is fixedly installed in the middle of the outer wall of the weak acid storage box 5, the weak acid storage box 5 and the sodium bicarbonate storage box 6 are made of thin-wall glass, an air cavity 7 is fixedly installed in the inner cavity of the fixed box 2, the bottom of the air cavity 7 is fixedly connected with the upper surface of the weak acid storage box 5, one end of the inner side of the air cavity 7 is fixedly connected with a plurality of shunt tubes 19, the other ends of the plurality of shunt tubes 19 penetrate, the plurality of air outlet nozzles 9 and the winding groups in the transformer body 1 are positioned on the same vertical plane, the outer walls of the inner cavities of the two fixed boxes 2 are respectively provided with a guide rail 8, the tops of the two guide rails 8 are respectively and movably provided with an iron sheet 10, the top of one iron sheet 10 is fixedly connected with a traction rope 11, the other end of the traction rope 11 is fixedly connected with the top of the other iron sheet 10, the tops of the two fixed boxes 2 are fixedly provided with a guide wheel 16, the two ends of the traction rope 11 are respectively and movably connected with the outer edge of the guide wheel 16, the guide wheel 16 is positioned at the top of the air cavity 7, the two sides of the inner cavity at the top of the transformer body 1 are fixedly provided with kerosene storage boxes 13, the top ends of the inner cavities of the air cavity 7 are provided with heat conducting pipes 12, the other ends of the heat conducting pipes 12 penetrate through the outer walls of the kerosene storage boxes 13 and, one side of piston 17 and the inside kerosene contact of kerosene storage tank 13 and the inside laminating each other of kerosene storage tank 13, the middle part fixed mounting of 1 top inner chamber of transformer body has fixed plate 15, a plurality of air vents 3 have been seted up to the upper surface of transformer body 1, a plurality of air vents 3 have been seted up to the outer wall of fixed plate 15, fly leaf 14 has all been placed to the upper surface and the below of fixed plate 15, a plurality of air vents 3 have been seted up to the bottom of 1 top inner chamber of transformer body, a plurality of through holes 20 have all been seted up on the surface of two fly leaf 14, piston 17's other end fixed connection is in.

After the movable plate 14 moves to a critical point, the plurality of vent holes 3 coincide with the through holes 20, so that the pressure inside the movable plate can be timely relieved, and the explosion of equipment caused by overlarge pressure inside the movable plate can be prevented.

The quantity value of the through hole 20 in the surface of the movable plate 14 is the same as that of the vent holes 3 in the upper surface and the bottom of the transformer body 1 and the outer wall of the fixed plate 15, the quantity value of the through hole 20 in the surface of the movable plate 14 is equal to the distance between the vent holes 3 in the upper surface and the bottom of the transformer body 1 and between the vent holes 3 in the outer wall of the fixed plate 15, the through hole 20 and the vent holes 3 are correspondingly arranged and used for discharging high-pressure gas in the transformer body 1 after communication, wherein the through holes are respectively arranged above and below the fixed plate 15, so that the transformer is in a normal use state and has a bidirectional sealing effect at the opening position.

Referring to fig. 5, the weak acid storage tank 5 and the sodium bicarbonate storage tank 6 are arranged as follows: weak acid storage tank 5 includes thin wall 501 and inlet 502, sodium bicarbonate storage tank 6 includes inclined wall 601 and liquid inlet 602, inclined wall 601 and the bottom fixed connection of thin wall 501, therefore, locate sodium bicarbonate storage tank 6 in the inner chamber of weak acid storage tank 5, weak acid in weak acid storage tank 5 produces thermal-insulated effect to weak alkali solution in sodium bicarbonate storage tank 6, prevent sodium bicarbonate storage tank 6 under equipment normal use, be heated and decomposed, in addition, inclined wall 601 and thin wall 501's connection, can make iron sheet 10 when whereabouts to sodium bicarbonate storage tank 6 protruding top, by inclined wall 601 and thin wall 501 synchronous fracture, in order to guarantee that the liquid in weak acid storage tank 5 and the sodium bicarbonate storage tank 6 effectively mixes.

The emergency fire extinguishing process of the invention is as follows:

when the equipment is on fire, because the flame is upward, and then the haulage rope 11 can be burned off when burning, the iron sheet 10 falls down to the convex top end of the sodium bicarbonate storage tank 6 along the guide rail 8 under the influence of gravity, the inclined wall 601 and the thin wall 501 can be synchronously broken, and then the sodium bicarbonate in the sodium bicarbonate storage tank 6 is fully mixed with the weak acid in the weak acid storage tank 5 and then reacts to generate a large amount of carbon dioxide, the carbon dioxide can be quickly filled in the space of the air cavity 7 and then sprayed to the coil ignition point in the transformer body 1 through the air outlet nozzle 9, and simultaneously, the sodium bicarbonate and the weak acid react to generate heat which is guided into the inside of the kerosene storage tank 13 through the heat conduction pipe 12, the kerosene in the kerosene storage tank 13 is heated and expanded, and then the piston 17 is pushed to move, and then the piston 17 pushes the movable plate 14, and the through hole 20 of the outer wall of the movable plate 14 coincides with the vent hole 3, so that high-pressure gas in the equipment is quickly discharged, and at the moment, the high-pressure gas carries dense smoke at a fire point and is ejected at high speed through the through hole 20, so that the alarm effect is achieved.

The variable cross section of the air outlet nozzle 9 is arranged, so that a large amount of instantaneous carbon dioxide gas is injected into the inner cavity of the equipment in a high-pressure and high-flow-rate state, the air around the ignition point is thin, the effect of cooling the periphery of the ignition point is achieved, and the fire extinguishing efficiency is accelerated.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an emergency treatment device with dry-type transformer is inside catches fire, includes transformer body (1) and locates fixed case (2) of transformer body (1) left and right sides, its characterized in that: the inner part of the fixed box (2) is provided with an air cavity (7), the inner bottom of the air cavity (7) is provided with a weak acid storage box (5) and a sodium bicarbonate storage box (6), the outer wall of the inner cavity of the fixed box (2) is provided with a guide rail (8), the tops of the guide rails (8) are movably provided with iron sheets (10), one of the iron sheets (10) is fixedly connected with a traction rope (11), the other end of the traction rope (11) is fixedly connected with the top of the other iron sheet (10), the tops of the two fixed boxes (2) are fixedly provided with guide wheels (16), the two ends of the traction rope (11) are movably connected with the outer edges of the guide wheels (16), the guide wheels (16) are positioned at the top of the air cavity (7), and the iron sheets (10) are used for cracking the weak acid storage box (5) and the sodium bicarbonate storage box (6) after falling down, and the middle part of one side of the air cavity (7) is provided with an air outlet extending into the transformer body (1).

2. An emergency treatment device with internal fire of dry type transformer according to claim 1, characterized in that: a shunt pipe (19) is arranged at the air outlet end in the middle of one side of the air cavity (7), and an air outlet nozzle (9) is arranged at the other end of the shunt pipe (19).

3. An emergency treatment device with internal fire of dry type transformer according to claim 2, characterized in that: the air outlet nozzle (9) and the winding set inside the transformer body (1) are positioned on the same vertical plane.

4. An emergency treatment device with internal fire of dry type transformer according to claim 1, characterized in that: the transformer comprises a transformer body (1), kerosene storage boxes (13) are fixedly mounted on two sides of an inner cavity in the top of the transformer body (1), heat conducting pipes (12) are arranged at the top ends of the inner cavities of air cavities (7), the other ends of the heat conducting pipes (12) penetrate through the outer walls of the kerosene storage boxes (13) and extend into the kerosene storage boxes (13), movable grooves (18) are formed in the inner sides of the inner cavities of the two kerosene storage boxes (13), pistons (17) are movably mounted in the inner cavities of the two kerosene storage boxes (13), a fixing plate (15) is fixedly mounted in the middle of the inner cavity in the top of the transformer body (1), a plurality of vent holes (3) are formed in the upper surface of the transformer body (1), a plurality of vent holes (3) are formed in the outer wall of the fixing plate (15), movable plates (14) are placed, the surfaces of the two movable plates (14) are provided with a plurality of through holes (20), and the other end of the piston (17) is fixedly connected to one end of the movable plate (14).

5. An emergency treatment device with internal fire of dry type transformer according to claim 1, characterized in that: the sodium bicarbonate storage tank (6) is located inside the weak acid storage tank (5), the weak acid storage tank (5) comprises a thin wall (501) and a liquid inlet (502), the sodium bicarbonate storage tank (6) comprises an inclined wall (601) and a liquid inlet (602), and the inclined wall (601) is fixedly connected with the bottom end of the thin wall (501).