CN113893479B - Fire extinguishing device for extra-high voltage converter station - Google Patents
Fire extinguishing device for extra-high voltage converter station Download PDFInfo
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- CN113893479B CN113893479B CN202111106040.0A CN202111106040A CN113893479B CN 113893479 B CN113893479 B CN 113893479B CN 202111106040 A CN202111106040 A CN 202111106040A CN 113893479 B CN113893479 B CN 113893479B
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/05—Nozzles specially adapted for fire-extinguishing with two or more outlets
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/12—Nozzles specially adapted for fire-extinguishing for delivering foam or atomised foam
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/40—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C5/00—Making of fire-extinguishing materials immediately before use
- A62C5/02—Making of fire-extinguishing materials immediately before use of foam
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
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- Engineering & Computer Science (AREA)
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Abstract
The invention discloses a fire extinguishing device for an extra-high voltage converter station, which comprises an installation block, wherein a converter is installed on the right side of the installation block, a reciprocating cavity is arranged in the installation block, an electromagnet is arranged at the bottom in the reciprocating cavity, a strip-shaped opening is formed in the inner wall of the left side of the reciprocating cavity, a magnetic sliding block is arranged in the reciprocating cavity, the magnetic sliding block is connected with the inner wall of the reciprocating cavity in a sliding mode, the lower end of the magnetic sliding block is elastically connected with the upper end of the electromagnet through a reset spring, the magnetic sliding block has conductivity, and second conducting strips matched with the magnetic sliding block are arranged on the inner walls of the left side and the right side of the reciprocating cavity. The device can react rapidly when the transverter is on fire, puts out a fire and handles, avoids the further expansion of intensity of a fire, utilizes reciprocating and horizontal hunting blowout foam and the water smoke of blowout pipe many times simultaneously to enlarge the coverage of foam, avoid the oil stream to flow and lead to the further expansion of intensity of a fire. Suitable for use in a converter station.
Description
Technical Field
The invention relates to the technical field of fire extinguishing of an extra-high voltage converter station, in particular to a fire extinguishing device for the extra-high voltage converter station.
Background
The extra-high voltage converter station is a high-voltage direct-current system facility with functions of a rectifier station and an inverter station or with functions of the rectifier station and the inverter station, and is a basis of direct-current transmission, however, the existing extra-high voltage converter station still has the following problems:
in the current extra-high voltage converter station, converter transformer in the extra-high voltage converter station belongs to a large-scale oily equipment, however, the extinguishing device in the current converter station is mostly artificially controlled, when the conflagration takes place for the transverter, if the staff puts out a fire untimely, make the intensity of a fire rapidly spread easily to lead to the further expansion of the intensity of a fire, cause the difficult condition of later stage putting out a fire to take place, therefore, how this problem of reasonable solution is that we need to consider.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a fire extinguishing device for an extra-high voltage converter station, which can quickly react when a converter fires to extinguish fire so as to avoid further expansion of fire, and meanwhile, a spraying pipe is used for spraying foam and water mist through repeated up-and-down movement and left-and-right swinging, so that the coverage range of the foam is expanded, and further expansion of the fire caused by flowing oil is avoided.
In order to achieve the purpose, the invention adopts the following technical scheme:
a fire extinguishing device for an extra-high voltage converter station comprises an installation block, wherein a converter is installed on the right side of the installation block, a reciprocating cavity is arranged in the installation block, an electromagnet is arranged at the inner bottom of the reciprocating cavity, a strip-shaped opening is formed in the inner wall of the right side of the reciprocating cavity, a magnetic sliding block is arranged in the reciprocating cavity and is in sliding connection with the inner wall of the reciprocating cavity, the lower end of the magnetic sliding block is elastically connected with the upper end of the electromagnet through a reset spring, the magnetic sliding block has electric conductivity, and second conducting strips matched with the magnetic sliding block are arranged on the inner walls of the left side and the right side of the reciprocating cavity;
a reaction cavity is arranged in the mounting block and is positioned on the left side of the reciprocating cavity, a rotating rod is rotatably connected to the inner wall of the left side of the reaction cavity, a liquid storage pipe is fixedly connected to the right end of the rotating rod, an aluminum sulfate solution is filled in the liquid storage pipe, and a mixed solution of sodium bicarbonate and a foaming agent is filled in the reaction cavity;
a shrinkage cavity is arranged in the mounting block and is positioned on the left side of the reaction cavity, a turnover mechanism for controlling the liquid storage pipe is arranged in the shrinkage cavity, and when a fire disaster occurs, the turnover mechanism operates to drive the liquid storage pipe to rotate, so that the aluminum sulfate solution falls into the sodium bicarbonate solution to react;
the installation block is internally provided with a conductive cavity, and the conductive cavity is internally provided with a trigger mechanism for controlling the turnover mechanism.
Preferably, the turnover mechanism comprises a moving block arranged in the contraction cavity, the moving block is connected with the inner wall of the contraction cavity in a sliding mode, the moving block is elastically connected with the inner bottom of the contraction cavity through an electrified spring, a first rack is fixedly connected to the upper end of the moving block, the left end of the rotating rod extends into the contraction cavity and is connected with the inner wall of the left side of the contraction cavity in a rotating mode, and a first gear matched with the first rack is arranged on the outer wall of the part, located in the contraction cavity, of the rotating rod.
Preferably, the spraying device further comprises a spraying mechanism, the spraying mechanism comprises a mounting plate arranged at the upper end of the magnetic slider, a spraying pipe is arranged on the right side of the mounting plate, the right end of the spraying pipe penetrates through the strip-shaped opening and extends to the outside, and a plurality of spraying holes are arranged at the lower end of the part, located outside, of the spraying pipe and are all obliquely arranged.
Preferably, trigger mechanism is including setting up the conducting block in electrically conductive intracavity, the inner wall sliding connection in conducting block and electrically conductive chamber, the upper end of conducting block and the interior top in electrically conductive chamber pass through memory wire elastic connection, be equipped with the first conducting strip with conducting block matched with on the left and right sides inner wall in electrically conductive chamber, the right side inner wall in electrically conductive chamber is equipped with the heat-conducting plate, the right side of heat-conducting plate extends to the external world.
Preferably, the lower end of the magnetic slider is provided with a hose, one end of the hose, which is far away from the magnetic slider, is fixedly connected with the upper end of the electromagnet, the upper end of the hose is communicated with the ejection pipe through a connecting pipe, and the lower end of the hose is communicated with the bottom space of the reaction chamber through a bent pipe.
Preferably, the right-hand member of mounting panel is equipped with rotary joint, the one end that the hose was kept away from to the connecting pipe communicates with rotary joint's left side, the right side intercommunication of blowout pipe and rotary joint, the blowout pipe rotates with the mounting panel to be connected, the left end of blowout pipe passes through torsional spring elastic connection with the right side inner wall of mounting panel, be equipped with the second gear on the blowout pipe, two and second gear matched with second racks are installed to the interior top symmetry in reciprocating cavity.
The invention has the following beneficial effects:
1. compared with the prior art, the device can be rapidly triggered when the converter is in a fire disaster, and foams are sprayed out to extinguish the fire, so that the condition that the fire is further expanded due to untimely fire extinguishment of workers is avoided;
2. compared with the prior art, the spraying pipes can reciprocate up and down for multiple times in the fire extinguishing process, and the spraying range of foam to the right side is enlarged due to the inclined arrangement of the spraying pipes, so that the condition that the fire is further expanded due to the flowing of oil is avoided;
3. compared with the prior art, the reciprocating of magnetic slider can drive the continuous back and forth swing of blowout pipe to drive the swing of a plurality of blowout mouths, expand the spraying scope around the foam, thereby promote the efficiency of putting out a fire.
Drawings
FIG. 1 is a schematic structural diagram of a fire extinguishing apparatus for an extra-high voltage converter station according to the present invention;
FIG. 2 is a schematic front view of FIG. 1;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 4 is an enlarged view of the structure at B in FIG. 1;
FIG. 5 is an enlarged view of the structure at C in FIG. 1;
FIG. 6 is a schematic structural view of example 2 of the present invention;
FIG. 7 is a cross-sectional view taken along line D-D of FIG. 6;
FIG. 8 is an enlarged view of the structure at E in FIG. 6;
fig. 9 is an enlarged schematic view of F in fig. 7.
In the figure: the device comprises a mounting block 1, a current converter 2, a memory metal wire 3, a first conductive sheet 4, a heat conducting plate 5, a conductive chamber 6, a contraction chamber 7, a first rack 8, a power-on spring 9, a reaction chamber 10, a liquid storage tube 11, a rotating rod 12, a reciprocating chamber 13, a strip opening 14, an electromagnet 15, a jet pipe 16, a torsion spring 17, a hose 18, a return spring 19, a second conductive sheet 20, a magnetic slider 21, a mounting plate 22, a connecting pipe 23, a conductive block 24, a zigzag pipe 25, a first gear 26, a movable block 27, a rotary joint 28, a second rack 29 and a second gear 30.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example 1
Referring to fig. 1-5, a fire extinguishing apparatus for an extra-high voltage converter station comprises an installation block 1, a converter 2 is installed on the right side of the installation block 1, a reciprocating cavity 13 is arranged in the installation block 1, an electromagnet 15 is arranged at the inner bottom of the reciprocating cavity 13, the electromagnet 15 is magnetically repelled with the adjacent surface of a magnetic slider 21 after being electrified, a strip-shaped opening 14 is arranged on the inner wall of the right side of the reciprocating cavity 13, a magnetic slider 21 is arranged in the reciprocating cavity 13, the magnetic slider 21 is in sliding connection with the inner wall of the reciprocating cavity 13, the lower end of the magnetic slider 21 is elastically connected with the upper end of the electromagnet 15 through a return spring 19, the magnetic slider 21 has electrical conductivity, and second conducting strips 20 matched with the magnetic slider 21 are arranged on the inner walls of the left side and the right side of the reciprocating cavity 13.
The magnetic slide block device further comprises a spraying mechanism, the spraying mechanism comprises a mounting plate 22 arranged at the upper end of the magnetic slide block 21, a spraying pipe 16 is arranged on the right side of the mounting plate 22, the right end of the spraying pipe 16 penetrates through the strip-shaped opening 14 and extends to the outside, a plurality of spraying ports are arranged at the lower end of the part, located outside, of the spraying pipe 16, the spraying ports are all obliquely arranged, a hose 18 is arranged at the lower end of the magnetic slide block 21, one end, away from the magnetic slide block 21, of the hose 18 is fixedly connected with the upper end of the electromagnet 15, the upper end of the hose 18 is communicated with the spraying pipe 16 through a connecting pipe 23, the lower end of the hose 18 is communicated with the bottom space of the reaction cavity 10 through a bent pipe 25, the magnetic slide block 21, the mounting plate 22 and the spraying pipe 16 are all made of light materials, and the elastic coefficient of the reset spring 19 is small.
Wherein, be equipped with reaction chamber 10 in the installation piece 1, the front side of reaction chamber 10 is equipped with the sliding door, can open the sliding door after the device operation at every turn and clear up the residue and add the solution of sodium bicarbonate and foaming agent in to reaction chamber 10 again, and add aluminium sulfate solution in to stock solution pipe 11, the next use of being convenient for, reaction chamber 10 is located the left side of reciprocal chamber 13, the left side inner wall of reaction chamber 10 rotates and is connected with bull stick 12, the right-hand member fixedly connected with stock solution pipe 11 of bull stick 12, 11 intussuseptions of stock solution pipe are filled with aluminium sulfate solution, 10 intussuseption of reaction chamber are filled with the mixed solution of sodium bicarbonate and foaming agent, sodium bicarbonate can be Al with the aluminium sulfate reaction's equation2(SO4)3+6NaHCO3＝＝3Na2SO4+2Al(OH)3+6CO2。
Wherein, the installation block 1 is internally provided with a contraction cavity 7, the contraction cavity 7 is positioned at the left side of the reaction cavity 10, the contraction cavity 7 is internally provided with a turnover mechanism for controlling the liquid storage pipe 11, the turnover mechanism comprises a moving block 27 arranged in the contraction cavity 7, the moving block 27 is in sliding connection with the inner wall of the contraction cavity 7, the moving block 27 is elastically connected with the inner bottom of the contraction cavity 7 through an electrified spring 9, after the electrified spring 9 is conductive, according to the electromagnetic effect, each circle of the electrified spring 9 can generate a magnetic field, after the magnetic field direction is judged through the direction of current, the directions of the magnetic fields generated between every two adjacent circles of the electrified spring 9 are opposite, namely, attraction force can be generated between every two adjacent circles of the electrified spring 9, namely, after electrification, the whole electrified spring 9 can contract, the upper end of the moving block 27 is fixedly connected with a first rack 8, the left end of the rotating rod 12 extends into the contraction cavity 7 and is rotatably connected with the inner wall at the left side of the contraction cavity 7, the part of the outer wall of the rotating rod 12 located in the contraction cavity 7 is provided with a first gear 26 matched with the first rack 8, and the up-and-down movement of the first rack 8 can drive the first gear 26 to rotate.
Wherein, be equipped with electrically conductive chamber 6 in the installation piece 1, be equipped with the trigger mechanism who is used for controlling tilting mechanism in electrically conductive chamber 6, trigger mechanism is including setting up the conducting block 24 in electrically conductive chamber 6, conducting block 24 and the inner wall sliding connection who leads electrically conductive chamber 6, the upper end of conducting block 24 passes through memory metal silk 3 elastic connection with the interior top of electrically conductive chamber 6, be equipped with first conducting strip 4 with conducting block 24 matched with on the left and right sides inner wall of electrically conductive chamber 6, the right side inner wall of electrically conductive chamber 6 is equipped with heat-conducting plate 5, heat-conducting plate 5 only has the thermal conductivity and does not have instant heat nature, the right side of heat-conducting plate 5 extends to the external world, can set up an external power supply, be located left first conducting strip 4, conducting block 24, be located right side first conducting strip 4 and circular telegram spring 9 and constitute a return circuit through the wire, external power supply, be located left first conducting strip 4, The conductive block 24, the first conductive sheet 4 on the right side, the second conductive sheet 20 on the left side, the magnetic slider 21, the second conductive sheet 20 on the right side and the electromagnet 15 form a loop through wires.
The invention can be illustrated by the following operating modes: when the current converter 2 is in a fire, heat is quickly led into the conductive cavity 6 through the heat conducting plate 5 at the moment, so that the temperature in the conductive cavity 6 is raised, when the temperature reaches the abnormal temperature of the memory metal wire 3, the memory metal wire 3 is changed into a spiral shape from a strip shape at the moment, the conductive block 24 is driven to move up to the two first conductive plates 4 to be contacted, and the power-on spring 9 is powered on at the moment (because the heat conducting plate 5 is arranged on the left side of the current converter 2, when the current converter 2 is in the fire, a large amount of heat can be instantly generated to cause the ambient temperature to be raised, the generated heat is led into the conductive cavity 6 through the heat conducting plate 5, so that the temperature in the conductive cavity 6 can quickly reach the abnormal temperature of the memory metal wire 3, and a circuit is conducted);
after the energizing springs 9 are electrically conducted, according to the electromagnetic effect, each circle of energizing spring 9 can generate a magnetic field, after the direction of the magnetic field is judged through the direction of current, the directions of the magnetic fields generated between every two adjacent circles of energizing springs 9 are opposite, namely, attraction can be generated between every two adjacent circles of energizing springs 9, namely, after the energizing springs are energized, the whole energizing springs 9 can contract, so that the moving block 27 is driven to move downwards, the moving block 27 moves downwards to drive the first rack 8 to move downwards, and because the first rack 8 and the first gear 26 are in a meshed state, the first rack 8 moves downwards to drive the first gear 26 to drive, so that the liquid storage pipe 11 is driven to rotate through the rotating rod 12, and the aluminum sulfate solution in the liquid storage pipe 11 falls into the mixed solution of sodium bicarbonate and the foaming agent;
when the aluminum sulfate solution falls into the mixed solution of sodium bicarbonate and foaming agent, the sodium bicarbonate reacts with the aluminum sulfate, and the reaction equation is Al2(SO4)3+6NaHCO3＝＝3Na2SO4+2Al(OH)3+6CO2At this time, the gas in the reaction cavity 10 is increased, and the air pressure is increased, so that the foaming agent and some mixed solution are pressed into the zigzag pipe 25;
at the moment, the pressure in the reaction cavity 10 can quickly enable the foaming agent and some solutions to enter the jet pipe 16 through the bent pipe 25, the hose 18 and the connecting pipe 23 and then be jetted to the upper part of the converter 2 through the plurality of jet ports below the jet pipe 16, the jetted foaming agent can be changed into foam to cover the upper part of the oil liquid, and air and the oil liquid are isolated, so that the fire extinguishing effect is achieved, and a certain amount of water mist can be jetted while the jetted foam can well achieve the effects of reducing smoke content and toxicity;
when the energizing spring 9 is energized, the magnetic slider 21 is in a contact state with the two second conductive plates 20 at this time, the electromagnet 15 is energized, the electromagnet 15 generates a repulsive force on the magnetic slider 21 after being energized, so that the magnetic slider 21 moves upwards, when the magnetic slider 21 moves upwards to be separated from the two second conductive plates 20, the magnetic slider 21 still moves upwards by a distance because of inertia, when the magnetic slider 21 moves upwards to a limit position, the magnetic slider moves downwards under the elastic action of the return spring 19 at this time, when the magnetic slider 21 is again in contact with the two second conductive plates 20, the above processes are repeated, so that the magnetic slider 21 can move upwards and downwards when a fire is started;
the up-and-down movement of the magnetic slider 21 can drive the spraying pipe 16 to move up and down, so that the distance between the spraying pipe 16 and a fire point is repeated from near to far to near, and due to the inclined arrangement of the spraying ports, in the up-and-down movement process of the spraying pipe 16, foam can be sprayed to the right farther, so that the condition that the fire is expanded due to the fact that oil flows to the right is avoided, and meanwhile, the foam can better cover the oil due to the up-and-down movement for multiple times, and the fire extinguishing effect is better.
Compared with the prior art, the device can trigger rapidly when transverter 2 breaks out the conflagration, and the blowout foam is put out a fire to avoid the staff to put out a fire untimely condition that leads to the intensity of a fire to further enlarge takes place, simultaneously at the in-process of putting out a fire, the reciprocating motion that carries on of spouting pipe 16 a lot of from top to bottom, because the slope of a plurality of blowout ports sets up, thereby the increase foam is to the scope of spraying on right side, avoids oil flow to lead to the intensity of a fire to further enlarge the condition to take place.
Example 2
Referring to fig. 6-9, the present embodiment is different from embodiment 1 in that a rotary joint 28 is disposed at the right end of the mounting plate 22, one end of the connecting pipe 23 away from the hose 18 is communicated with the left side of the rotary joint 28, the ejection pipe 16 is communicated with the right side of the rotary joint 28, the ejection pipe 16 is rotatably connected with the mounting plate 22, the left end of the ejection pipe 16 is elastically connected with the right inner wall of the mounting plate 22 through a torsion spring 17, the torsion spring 17 is disposed so that the ejection pipe 16 can automatically return when the second gear 30 is disengaged from the two second racks 29, the ejection pipe 16 is provided with the second gear 30, the two second racks 29 matched with the second gear 30 are symmetrically mounted at the inner top of the reciprocating chamber 13, and the distribution of the tooth edges on the two second racks 29 is shown in fig. 7, so that the up-down movement of the second gear 30 can drive the ejection pipe 16 to swing back and forth.
In this embodiment, when the magnetic slider 21 drives the ejection pipe 16 to move up and down, the second gear 30 is constantly engaged with the teeth on the two second racks 29, so that the second gear 30 constantly drives the ejection pipe 16 to rotate, and when the second gear 30 is not engaged with the teeth on the two second racks 29, the second gear returns to the original position again under the action of the torsion spring 17, so that the ejection port is driven to swing back and forth in the process of moving up and down the magnetic slider 21, thereby expanding the spraying range of the foam, and avoiding the phenomenon that the fire range is expanded due to the flowing of the oil liquid, which may cause the incomplete fire extinguishing.
Compared with the prior art, the up-and-down movement of the magnetic slider 21 can drive the ejection pipe 16 to continuously swing back and forth, so that the ejection holes are driven to swing, the spraying range of foam is expanded, and the fire extinguishing efficiency is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (2)
1. A fire extinguishing apparatus for an extra-high voltage converter station, comprising a mounting block (1), characterized in that: a current converter (2) is installed on the right side of the installation block (1), a reciprocating cavity (13) is arranged in the installation block (1), an electromagnet (15) is arranged at the inner bottom of the reciprocating cavity (13), a strip-shaped opening (14) is formed in the inner wall of the right side of the reciprocating cavity (13), a magnetic sliding block (21) is arranged in the reciprocating cavity (13), the magnetic sliding block (21) is in sliding connection with the inner wall of the reciprocating cavity (13), the lower end of the magnetic sliding block (21) is elastically connected with the upper end of the electromagnet (15) through a return spring (19), the magnetic sliding block (21) is conductive, and second conductive plates (20) matched with the magnetic sliding block (21) are arranged on the inner walls of the left side and the right side of the reciprocating cavity (13);
a reaction cavity (10) is arranged in the mounting block (1), the reaction cavity (10) is located on the left side of a reciprocating cavity (13), the inner wall of the left side of the reaction cavity (10) is rotatably connected with a rotating rod (12), the right end of the rotating rod (12) is fixedly connected with a liquid storage pipe (11), an aluminum sulfate solution is filled in the liquid storage pipe (11), and a mixed solution of sodium bicarbonate and a foaming agent is filled in the reaction cavity (10);
a shrinkage cavity (7) is arranged in the mounting block (1), the shrinkage cavity (7) is positioned on the left side of the reaction cavity (10), a turnover mechanism for controlling the liquid storage pipe (11) is arranged in the shrinkage cavity (7), and when a fire disaster occurs, the turnover mechanism operates to drive the liquid storage pipe (11) to rotate, so that an aluminum sulfate solution falls into a sodium bicarbonate solution to react; the turnover mechanism comprises a moving block (27) arranged in a contraction cavity (7), the moving block (27) is in sliding connection with the inner wall of the contraction cavity (7), the moving block (27) is elastically connected with the inner bottom of the contraction cavity (7) through an electrified spring (9), the upper end of the moving block (27) is fixedly connected with a first rack (8), the left end of a rotating rod (12) extends into the contraction cavity (7) and is rotatably connected with the inner wall of the left side of the contraction cavity (7), and a first gear (26) matched with the first rack (8) is arranged on the outer wall of the part, located in the contraction cavity (7), of the rotating rod (12);
a conductive cavity (6) is arranged in the mounting block (1), and a trigger mechanism for controlling the turnover mechanism is arranged in the conductive cavity (6); the trigger mechanism comprises a conductive block (24) arranged in a conductive cavity (6), the conductive block (24) is in sliding connection with the inner wall of the conductive cavity (6), the upper end of the conductive block (24) is elastically connected with the inner top of the conductive cavity (6) through a memory metal wire (3), first conductive sheets (4) matched with the conductive block (24) are arranged on the inner walls of the left side and the right side of the conductive cavity (6), a heat-conducting plate (5) is arranged on the inner wall of the right side of the conductive cavity (6), and the right side of the heat-conducting plate (5) extends to the outside;
the spraying device is characterized by further comprising a spraying mechanism, wherein the spraying mechanism comprises a mounting plate (22) arranged at the upper end of the magnetic slider (21), a spraying pipe (16) is arranged on the right side of the mounting plate (22), the right end of the spraying pipe (16) penetrates through the strip-shaped opening (14) and extends to the outside, a plurality of spraying ports are arranged at the lower end of the part, located outside, of the spraying pipe (16), and the spraying ports are all arranged in an inclined mode;
the lower end of the magnetic sliding block (21) is provided with a hose (18), one end, far away from the magnetic sliding block (21), of the hose (18) is fixedly connected with the upper end of the electromagnet (15), the upper end of the hose (18) is communicated with the ejection pipe (16) through a connecting pipe (23), and the lower end of the hose (18) is communicated with the bottom space of the reaction cavity (10) through a bent pipe (25).
2. The fire extinguishing apparatus for the extra-high voltage converter station according to claim 1, wherein: the right-hand member of mounting panel (22) is equipped with rotary joint (28), the one end of hose (18) and the left side intercommunication of rotary joint (28) are kept away from in connecting pipe (23), the right side intercommunication of blowout pipe (16) and rotary joint (28), blowout pipe (16) rotate with mounting panel (22) and are connected, torsional spring (17) elastic connection is passed through with the right side inner wall of mounting panel (22) to the left end of blowout pipe (16), be equipped with second gear (30) on blowout pipe (16), two and second gear (30) matched with second rack (29) are installed to the interior top symmetry in reciprocating chamber (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111106040.0A CN113893479B (en) | 2021-09-22 | 2021-09-22 | Fire extinguishing device for extra-high voltage converter station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111106040.0A CN113893479B (en) | 2021-09-22 | 2021-09-22 | Fire extinguishing device for extra-high voltage converter station |
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| Publication Number | Publication Date |
|---|---|
| CN113893479A CN113893479A (en) | 2022-01-07 |
| CN113893479B true CN113893479B (en) | 2022-07-08 |
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| CN202111106040.0A Active CN113893479B (en) | 2021-09-22 | 2021-09-22 | Fire extinguishing device for extra-high voltage converter station |
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| CN114178580B (en) * | 2022-02-16 | 2022-04-29 | 河南恒发科技股份有限公司 | Double-station reaming tool for automobile chassis bushing |
| CN114796943B (en) * | 2022-03-12 | 2023-05-12 | 深圳汇安消防设施工程有限公司 | Remote control type intelligent fire-fighting robot based on Internet of things |
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| CH373961A (en) * | 1958-07-25 | 1963-12-15 | B O S A Prodotti Chimici Botta | Process for obtaining mechanical foam suitable for extinguishing fires and extinguisher implementing the procedure |
| CN209525732U (en) * | 2019-04-24 | 2019-10-22 | 王科峰 | A kind of architectural electricity fire alarming and control device |
| CN212358593U (en) * | 2020-03-12 | 2021-01-15 | 山东永固钢结构集团有限公司 | Fireproof heat-preservation steel structure |
| CN211835929U (en) * | 2020-04-04 | 2020-11-03 | 国安达股份有限公司 | Compressed air foam fire extinguishing device for extra-high voltage converter station |
| CN111888700B (en) * | 2020-08-07 | 2021-11-19 | 安普科技有限公司 | A high-efficient fire protection system for office building office |
| CN112245830A (en) * | 2020-10-21 | 2021-01-22 | 武顺吉 | Fire extinguishing equipment for cloud computing big data computer room |
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