CN114807537A - Fire extinguishing and flue gas collecting mechanism of quenching oil tank - Google Patents
Fire extinguishing and flue gas collecting mechanism of quenching oil tank Download PDFInfo
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- CN114807537A CN114807537A CN202210191211.2A CN202210191211A CN114807537A CN 114807537 A CN114807537 A CN 114807537A CN 202210191211 A CN202210191211 A CN 202210191211A CN 114807537 A CN114807537 A CN 114807537A
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/667—Quenching devices for spray quenching
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention belongs to the technical field of metal heat treatment, and discloses a fire extinguishing and flue gas collecting mechanism of a quenching oil tank. Compared with the traditional device, the device utilizes a plurality of nozzles to spray nitrogen together, the nitrogen sprayed by the nozzles forms a sheet-shaped high-pressure nitrogen cloud layer suspended above dense smoke, the nitrogen is mixed with the upper punch smoke flow in a convection way, the nitrogen cloud layer mixed into oil mist is pressed out when the quenching process is open fire, the air density required by oil mist combustion is diluted, and the secondary combustion condition of high-temperature radiant heat is also destroyed.
Description
Technical Field
The invention belongs to the technical field of metal heat treatment, and particularly relates to a fire extinguishing and flue gas collecting mechanism of a quenching oil tank.
Background
Quenching is a heat treatment process for heating steel to above critical temperature, preserving heat for a certain time, and then cooling at a cooling speed higher than the critical cooling speed so as to obtain an unbalanced structure mainly comprising martensite, and quenching is the most widely applied work and technique in the heat treatment process of steel. The quenching aims to transform the super-cooled austenite into martensite or bainite to obtain martensite or bainite structures, and then the martensite or bainite structures are tempered at different temperatures to greatly improve the rigidity, hardness, wear resistance, fatigue strength, toughness and the like of the steel, so that different use requirements of various mechanical parts and tools are met, and special physical and chemical properties such as ferromagnetism, corrosion resistance and the like of certain special steel materials can also be met through quenching.
At present, when the enterprise is carrying out the quenching operation to the metal, the metalwork that needs the quenching slowly falls down from oil groove top cap centre bore, in the quenching cooling fluid of soaking in the oil groove, the liquid level rises in the twinkling of an eye and has risen a large amount of dense black cigarette and oil mist, has obvious flame, the inside extinguishing device that is equipped with usually of general guenching unit, but in order not to influence the quenching quality of metal, traditional extinguishing device is comparatively single to make the fire extinguishing efficiency of device low, and very easily make black cigarette take place the postcombustion, cause the potential safety hazard.
When the high-temperature metal is in quenching operation, after a metal piece is contacted with oil, a large amount of dense black smoke and oil mist can be generated, the existing window type air inducing flue is located at the periphery of a feed port outside an oil tank, all the circular cloth air inducing windows are quite large in height distance from a liquid level smoke source in the tank, the dense smoke density of a quenching source is raised and diffused by spontaneous combustion, the smoke volume is diffused into an air mixing volume, the volume is greatly expanded, the smoke collection rate is low, the peripheral environment is easily diffused for the second time, oil particles are attached to the inside of a flue air pipe in smoke, and the fire hazard is difficult to clean and easily caused.
The industry is placing high temperature metal to oil pipe inside when, adopts the arm once only to put in a large amount of metalworks usually, in order to prevent that the high temperature metalwork from leading to the fact in the same direction as bad to the pipe of discharging fume, can install the deflector in the pipe top of discharging fume usually, because the metalwork that once only drops into is more, make partial metalwork to stay on the deflector surface, thereby cause to pile up, be not convenient for throw the material operation to the metalwork of epilogue, consequently need improve and optimize it.
Disclosure of Invention
The invention aims to provide a fire extinguishing and smoke collecting mechanism of a quenching oil tank, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the invention provides the following technical scheme: a fire extinguishing and smoke collecting mechanism of a quenching oil tank comprises the quenching oil tank, wherein a vacuum cover is fixedly arranged inside the quenching oil tank, a first pipeline is fixedly arranged inside the quenching oil tank, the outer surface of the first pipeline is fixedly communicated with a spray pipe, a nozzle is arranged at the other end of the spray pipe, a smoke return pipe is fixedly arranged at the top of the quenching oil tank, the right end of the smoke return pipe is fixedly communicated with a smoke exhaust port, a blind plate is hinged to the inner surface of the smoke return pipe, a vacuum jet pipe is arranged on the right side of the blind plate, the bottom end of the vacuum jet pipe extends to the inside of the vacuum cover, a second pipeline is arranged at the bottom end of the first pipeline, an umbilical tube is communicated with the outer surface of the second pipeline, the other end of the umbilical tube penetrates through the vacuum cover and extends to the inside of the bottom end of the vacuum jet pipe, a nitrogen cloud layer is arranged at the bottom end of the nozzle, and a movable block positioned inside the smoke return pipe is fixedly arranged at the right end of the blind plate, the blind plate and the front surface of the vacuum jet pipe are both fixedly provided with an adjusting mechanism;
when a worker slowly puts a high-temperature metal part into a quenching oil groove, when the front end of a metal part is immersed into quenching oil liquid in the quenching oil groove, the liquid level is instantly vaporized at high temperature and overflows a large amount of coal tar fog and organic matter black smoke along with burning naked flame and effervescence, the middle and rear sections of the metal part which is not completely immersed into the liquid level are oppositely flushed, oil mist is subjected to high-temperature radiation of a workpiece to generate secondary combustion, flushed oil mist flame smoke is dynamically encrypted and can secondarily boost and turn over rising dense smoke, at the moment, the worker introduces nitrogen into the first pipeline, so that the nitrogen penetrates through a spray pipe and is sprayed out through nozzles, the nozzles spray the nitrogen together, and the nitrogen sprayed out by the nozzles forms a flaky high-pressure nitrogen cloud layer suspended above the dense smoke, thereby achieving the effect of fire extinguishing;
a large amount of smoke is generated during quenching operation of the metal part, at the moment, nitrogen is introduced into the second pipeline by a worker, so that the nitrogen is blown into the vacuum jet pipe at high speed through the umbilical pipe, and the bottom end of the vacuum jet pipe and the inside of the vacuum cover are in a negative pressure state due to the fact that the high-speed nitrogen flows enter the inside of the vacuum jet pipe, so that the smoke generated inside the quenching oil tank is sucked, enters the smoke return pipe through the vacuum jet pipe and is extracted to the outside through the smoke outlet;
the device utilizes a plurality of nozzles to spray nitrogen together, the nitrogen sprayed by the nozzles forms a sheet-shaped high-pressure nitrogen cloud layer suspended above dense smoke, the high-pressure nitrogen cloud layer is mixed with upper smoke flow in a convection way, the nitrogen cloud layer mixed into oil mist is pressed out of the quenching process open fire, the air density required by the combustion of the diluted oil mist is reduced, and the secondary combustion condition of high-temperature radiant heat is also destroyed;
let in nitrogen gas to the second pipeline is inside, make nitrogen gas enter into the inside of vacuum jet pipe through the umbilical cord pipe, make the inside and the inside negative pressure that is in of vacuum cover of vacuum jet pipe, thereby absorb the inside smog of quenching oil groove, compare with traditional and device, the device utilizes the nitrogen gas cloud layer of mixing in the smoke and dust to be inhaled by the vacuum cover, transport the choke portion of vacuum jet pipe under umbilical cord pipe spun pure nitrogen's kinetic energy impetus, become not gas stream after accomplishing the intensive mixing, it burns along original flue tuber pipe to have blocked the naked light, eliminate the conflagration hidden danger that tuber pipe inner wall fluid granule exists.
Preferably, a fixed plate is fixedly mounted at the top of the smoke returning pipe, a vertical rod is fixedly mounted at the bottom end of the fixed plate, a movable plate is movably mounted inside the fixed plate, a groove is formed inside the fixed plate, a limiting block located inside the groove is fixedly mounted at the top of the movable plate, a spring elastically supported at the right end of the limiting block is clamped inside the groove, a first transverse plate is fixedly mounted at the bottom end of the outer surface of the fixed plate, a movable plate is movably mounted at the top of the first transverse plate, an extrusion block is fixedly mounted at the top of the movable plate, a vertical block is fixedly mounted at the bottom end of the movable plate, and teeth are fixedly mounted at the bottom end of the vertical block through the first transverse plate;
the high-temperature metal piece is thrown into the interior of the quenching oil tank by a worker, part of the metal piece is retained on the inner surfaces of the fixed plate and the movable plate, the worker starts the motor at the moment, the extrusion block moves due to the operation of the motor, so that the movable plate is extruded leftwards, the spring close to the extrusion block is extruded to be in an elastic compression state, the spring far away from the extrusion block is pulled to be in an elastic stretching state, the movable plate dynamically changes along with the movement of the extrusion block, so that the metal piece attached to the surface of the movable plate is pushed to continuously move, and the accumulation on the inner surface of the movable plate is prevented;
rely on the motion of extrusion piece to promote the movable plate, make the movable plate take place the motion in the inside of fixed plate, thereby promote and pile up the metalwork on the movable plate surface, compare with traditional device, the device is promoting the movable plate, makes the movable plate carry out the motion repeatedly, prevents that the surface of movable plate from piling up the metalwork, and the subsequent metalwork of being convenient for is put in the operation.
Preferably, the left end fixed mounting of montant has the second diaphragm, the top of second diaphragm is fixed with power mechanism, because the design of second diaphragm, can play good supporting role to the motor to closely laminate between guarantee gear and the tooth.
Preferably, adjustment mechanism is including nut ring and threaded rod, the threaded rod has been cup jointed to the internal thread of nut ring, because the design of threaded rod, the staff is through rotating the threaded rod to can adjust the interval between blind plate and the vacuum jet pipe, thereby the staff of being convenient for adjusts the operation according to actual conditions, improves smoke exhaust efficiency.
Preferably, the power mechanism comprises a motor, a transverse shaft and a gear, an output shaft of the motor is movably connected with the transverse shaft, the gear is fixedly connected to the left end of the transverse shaft, the transverse shaft and the gear rotate due to the operation of the motor, and the outer surface of the gear and the teeth are in a mutually meshed state, so that the extrusion block is driven to move through the teeth.
Preferably, the shape of movable block is arc, the movable block is located the square of vacuum jet pipe, because the design of movable block, can play good guide effect to smog, the inside that will enter into the smoke return pipe through the movable block through vacuum jet pipe exhaust smog is more smooth.
Preferably, the blind plate is located the right side on vacuum jet pipe top, the exterior surface of blind plate is brushed and is had adiabatic coating, because the design of blind plate, can play the shutoff metalwork unloading and induced draft the non-technological heat waste that causes through the window, avoid causing quenching technology quality flaw, can prevent that vacuum jet pipe exhaust cigarette from taking place the diffusion simultaneously.
Preferably, the first pipeline and the second pipeline are both circular rings, the inner diameter of the first pipeline is larger than that of the second pipeline, and due to the design of the first pipeline and the second pipeline, continuous nitrogen supply can be provided for the interior of the device, so that good fire extinguishing and smoke collecting effects are achieved.
The invention has the following beneficial effects:
1. the invention utilizes the nozzle to spray nitrogen flow, so that the nitrogen is gathered in the quenching oil groove, thereby achieving the fire extinguishing effect, compared with the traditional device, the device utilizes a plurality of nozzles to spray nitrogen together, the nitrogen sprayed by the nozzle forms a sheet-shaped high-pressure nitrogen cloud layer suspended above the dense smoke, the nitrogen cloud layer is mixed with the upper punch smoke flow in a convection way, the nitrogen cloud layer mixed into the oil mist is pressed out when the quenching process is open fire, the air density required by the combustion of the oil mist is diluted, and the secondary combustion condition of high-temperature radiant heat is also destroyed;
2. according to the invention, the vacuum jet pipe, the second pipeline and the umbilical pipe are arranged, nitrogen is introduced into the second pipeline, and the nitrogen enters the vacuum jet pipe through the umbilical pipe, so that the inside of the vacuum jet pipe and the inside of the vacuum cover are in negative pressure, and smoke in the quenching oil groove is absorbed.
3. According to the metal piece feeding device, the fixed plate, the movable plate and the extrusion block are arranged, and the movable plate is pushed by the movement of the extrusion block, so that the movable plate moves in the fixed plate, and metal pieces accumulated on the surface of the movable plate are pushed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the front side of the present invention;
FIG. 3 is a schematic view of the structure of the smoke outlet of the present invention;
FIG. 4 is a schematic view of a first conduit according to the present invention;
FIG. 5 is a schematic structural diagram of a movable block according to the present invention;
FIG. 6 is a schematic illustration of the umbilical of the present invention;
FIG. 7 is a schematic structural diagram of a blind plate according to the present invention;
FIG. 8 is an enlarged view of a portion of FIG. 7A;
FIG. 9 is a schematic structural diagram of a fixing plate according to the present invention;
FIG. 10 is a schematic view of the internal structure of the moving plate according to the present invention;
FIG. 11 is an enlarged view of a portion of FIG. 10 at B;
fig. 12 is a partially enlarged view of the structure at C in fig. 10 according to the present invention.
In the figure: 1. an oil quenching tank; 2. a vacuum hood; 3. a first conduit; 4. a nozzle; 5. a nozzle; 6. a smoke returning pipe; 7. a smoke outlet; 8. a blind plate; 9. a vacuum jet pipe; 10. a second conduit; 11. an umbilical tube; 12. a nitrogen cloud layer; 13. a movable block; 14. an adjustment mechanism; 141. a nut ring; 142. a threaded rod; 15. a fixing plate; 16. a vertical rod; 17. moving the plate; 18. a groove; 19. a limiting block; 20. a spring; 21. a first transverse plate; 22. a motion plate; 23. extruding the block; 24. a vertical block; 25. teeth; 26. a second transverse plate; 27. a power mechanism; 271. a motor; 272. a horizontal axis; 273. a gear.
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.
As shown in fig. 1 to 12, in the embodiment of the present invention, a fire extinguishing and flue gas collecting mechanism for a quench oil tank comprises a quench oil tank 1, a vacuum hood 2 is fixedly installed inside the quench oil tank 1, a first pipeline 3 is fixedly installed inside the quench oil tank 1, an outer surface of the first pipeline 3 is fixedly communicated with a spray pipe 4, the other end of the spray pipe 4 is provided with a nozzle 5, a smoke return pipe 6 is fixedly installed at the top of the quench oil tank 1, a smoke discharge port 7 is fixedly communicated with the right end of the smoke return pipe 6, an inner surface of the smoke return pipe 6 is hinged with a blind plate 8, the right side of the blind plate 8 is provided with a vacuum jet pipe 9, the bottom end of the vacuum jet pipe 9 extends to the inside of the vacuum hood 2, the bottom end of the first pipeline 3 is provided with a second pipeline 10, an outer surface of the second pipeline 10 is communicated with an umbilical pipe 11, the other end of the umbilical pipe 11 penetrates through the vacuum hood 2 and extends to the inside of the bottom end of the vacuum jet pipe 9, the bottom end of the nozzle 5 is provided with a nitrogen cloud layer 12, the right end of the blind plate 8 is fixedly provided with a movable block 13 positioned in the smoke return pipe 6, and the front surfaces of the blind plate 8 and the vacuum jet pipe 9 are both fixedly provided with an adjusting mechanism 14;
when a worker slowly puts a high-temperature metal part into the quenching oil groove 1, when the front end of a metal part is immersed into quenching oil liquid in the quenching oil groove, the liquid level is instantly vaporized at high temperature and overflows a large amount of coal tar fog and organic matter black smoke along with combustion naked flame and effervescence, the middle and rear sections of the metal part which is not completely immersed into the liquid level are oppositely flushed, the oil fog is subjected to secondary combustion by high-temperature radiation of the workpiece, the flushed oil fog flame smoke is dynamically encrypted and secondarily helps to turn over the rising dense smoke, at the moment, the worker introduces nitrogen into the first pipeline 3, so that the nitrogen penetrates through the spray pipe 4 and is sprayed out through the spray nozzles 5, the plurality of spray nozzles 5 spray the nitrogen together, and the nitrogen sprayed by the spray nozzles 5 forms a flaky high-pressure nitrogen cloud layer 12 suspended above the dense smoke, thereby achieving the effect of fire extinguishing;
a large amount of smoke is generated during quenching operation of the metal part, at the moment, nitrogen is introduced into the second pipeline 10 by a worker, so that the nitrogen is blown into the vacuum jet pipe 9 through the umbilical pipe 11 at a high speed, and the bottom end of the vacuum jet pipe 9 and the inside of the vacuum cover 2 are in a negative pressure state due to the fact that the high-speed nitrogen flows enter the inside of the vacuum jet pipe 9, so that the smoke generated inside the quenching oil tank 1 is sucked, the smoke enters the inside of the smoke return pipe 6 through the vacuum jet pipe 9, and the smoke is sucked to the outside through the smoke outlet 7;
the nitrogen flow is sprayed by the nozzles 5, so that the nitrogen is gathered in the quenching oil groove 1, and the fire extinguishing effect is achieved, compared with the traditional device, the device utilizes the nozzles 5 to spray the nitrogen together, the nitrogen sprayed by the nozzles 5 forms a sheet-shaped high-pressure nitrogen cloud layer 12 suspended above dense smoke, the nitrogen cloud layer 12 is mixed with the upper punch smoke flow in a convection way, the nitrogen cloud layer 12 mixed into oil mist is pressed out when the quenching process is open fire, the air density required by the combustion of the diluted oil mist is reduced, and the secondary combustion condition of high-temperature radiant heat is also destroyed;
let in nitrogen gas to second pipeline 10 inside, make nitrogen gas enter into the inside of vacuum jet pipe 9 through umbilical tube 11, make the inside of vacuum jet pipe 9 and the inside negative pressure that is in of vacuum cover 2, thereby absorb the smog of 1 inside of quenching oil groove, compare with the device that tradition and, the device utilizes nitrogen gas cloud layer 12 in the thoughtlessly advancing the smoke and dust to be inhaled by vacuum cover 2, transport the choke portion of vacuum jet pipe 9 under the kinetic energy impetus of umbilical tube 11 spun pure nitrogen gas, become not gas stream after accomplishing the intensive mixing, it burns along original flue tuber pipe to have blocked open fire, eliminate the fire hidden danger that tuber pipe inner wall fluid granule exists.
The smoke returning pipe comprises a smoke returning pipe 6, a fixed plate 15, a vertical rod 16, a movable plate 17, a groove 18, a limiting block 19, a spring 20, a first transverse plate 21, a moving plate 22, an extrusion block 23, a vertical block 24 and teeth 25, wherein the fixed plate 15 is fixedly installed at the top of the smoke returning pipe 6, the vertical rod 16 is fixedly installed at the bottom end of the fixed plate 15, the movable plate 17 is movably installed inside the fixed plate 15, the limiting block 19 is fixedly installed at the top of the movable plate 17 and located inside the groove 18, the spring 20 elastically supported at the right end of the limiting block 19 is clamped inside the groove 18, the first transverse plate 21 is fixedly installed at the bottom end of the outer surface of the fixed plate 15, the moving plate 22 is movably installed at the top of the first transverse plate 21, the extrusion block 23 is fixedly installed at the top of the moving plate 22, and the vertical block 24 is fixedly installed at the bottom end of the vertical block 24 and penetrates through the first transverse plate 21 and is fixedly installed with the teeth 25;
the worker puts the high-temperature metal parts into the interior of the quenching oil tank 1, part of the metal parts are retained on the inner surfaces of the fixed plate 15 and the moving plate 17, the worker starts the motor 271 at the moment, the extrusion block 23 moves due to the operation of the motor 271, so that the moving plate 17 is extruded leftwards to move, the spring 20 close to the extrusion block 23 is extruded to be in an elastic compression state at the moment, the spring 20 far away from the extrusion block 23 is pulled to be in an elastic stretching state, and the moving plate 17 dynamically changes along with the movement of the extrusion block 23, so that the metal parts attached to the surface of the moving plate 17 are pushed to continue to move, and the accumulation on the inner surface of the moving plate 17 is prevented;
by means of the movement of the extrusion block 23, the moving plate 17 is pushed, so that the moving plate 17 moves inside the fixed plate 15, and metal parts accumulated on the surface of the moving plate 17 are pushed.
Wherein, the left end fixed mounting of montant 16 has second diaphragm 26, and the top of second diaphragm 26 is fixed with power mechanism 27, because the design of second diaphragm 26, can play good supporting role to motor 271 to ensure closely laminating between gear 273 and the tooth 25.
Wherein, adjustment mechanism 14 is including nut ring 141 and threaded rod 142, and threaded rod 142 has been cup jointed to the internal thread of nut ring 141, because threaded rod 142's design, the staff is through rotating threaded rod 142 to can adjust the interval between blind plate 8 and the vacuum jet pipe 9, thereby be convenient for the staff according to actual conditions and adjust the operation, improve the efficiency of discharging fume.
The power mechanism 27 includes a motor 271, a horizontal shaft 272 and a gear 273, the horizontal shaft 272 is movably connected to an output shaft of the motor 271, the gear 273 is fixedly connected to a left end of the horizontal shaft 272, the horizontal shaft 272 and the gear 273 are rotated due to the operation of the motor 271, and at this time, the outer surface of the gear 273 and the teeth 25 are in a mutually engaged state, so that the extrusion block 23 is driven to move by the teeth 25.
Wherein, the shape of movable block 13 is arc, and movable block 13 is located the square of vacuum jet pipe 9, because the design of movable block 13, can play good guide effect to smog, and the smog through vacuum jet pipe 9 exhaust will enter into the inside of smoke return pipe 6 through movable block 13 more smoothly.
The blind plate 8 is located on the right side of the top end of the vacuum jet pipe 9, the outer surface of the blind plate 8 is coated with heat insulation paint, and due to the design of the blind plate 8, non-technological heat loss caused by air suction of the blanking of the blocking metal piece through the window can be achieved, so that the quenching process quality defect is avoided, and meanwhile, the diffusion of smoke discharged by the vacuum jet pipe 9 can be prevented.
Wherein, first pipeline 3 and second pipeline 10 are the ring shape, and the inside diameter of first pipeline 3 is greater than the inside diameter of second pipeline 10, because the design of first pipeline 3 and second pipeline 10, can provide continuous nitrogen gas supply inside the device to play good fire extinguishing and receipts cigarette effect.
The working principle and the using process are as follows:
when a worker slowly puts a high-temperature metal part into the quenching oil groove 1, when the front end of a metal part is immersed into quenching oil liquid in the quenching oil groove, the liquid level is instantly vaporized at high temperature and overflows a large amount of coal tar fog and organic matter black smoke along with combustion naked flame and effervescence, the middle and rear sections of the metal part which is not completely immersed into the liquid level are oppositely flushed, the oil fog is subjected to secondary combustion by high-temperature radiation of the workpiece, the flushed oil fog flame smoke is dynamically encrypted and secondarily helps to turn over the rising dense smoke, at the moment, the worker introduces nitrogen into the first pipeline 3, so that the nitrogen penetrates through the spray pipe 4 and is sprayed out through the spray nozzles 5, the plurality of spray nozzles 5 spray the nitrogen together, and the nitrogen sprayed by the spray nozzles 5 forms a flaky high-pressure nitrogen cloud layer 12 suspended above the dense smoke, thereby achieving the effect of fire extinguishing;
a large amount of smoke is generated during quenching operation of the metal part, at the moment, nitrogen is introduced into the second pipeline 10 by a worker, so that the nitrogen is blown into the vacuum jet pipe 9 through the umbilical pipe 11 at a high speed, and the bottom end of the vacuum jet pipe 9 and the inside of the vacuum cover 2 are in a negative pressure state due to the fact that the high-speed nitrogen flows enter the inside of the vacuum jet pipe 9, so that the smoke generated inside the quenching oil tank 1 is sucked, the smoke enters the inside of the smoke return pipe 6 through the vacuum jet pipe 9, and the smoke is sucked to the outside through the smoke outlet 7;
the staff puts into the inside of quenching oil groove 1 with the high temperature metalwork, and partial metalwork will be detained at the internal surface of fixed plate 15 and movable plate 17, and the staff starts motor 271 this moment, because the operation of motor 271, will make the extrusion piece 23 take place the motion, thereby extrude movable plate 17 to move left, the spring 20 that is close to near extrusion piece 23 this moment will receive the extrusion and be in the elasticity compression state, the spring 20 that is far away from extrusion piece 23 will receive the pulling force and be in the elasticity tensile state, along with the motion of extrusion piece 23, will make movable plate 17 take place dynamic change, thereby promote the metalwork attached to movable plate 17 surface and continue the motion, prevent to take place to pile up at the internal surface of movable plate 17.
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 (8)
1. The utility model provides a quenching oil groove's fire extinguishing and flue gas collection mechanism, includes quenching oil groove (1), its characterized in that: the inside fixed mounting of quenching oil groove (1) has vacuum hood (2), the inside fixed mounting of quenching oil groove (1) has first pipeline (3), the external fixed surface intercommunication of first pipeline (3) has spray tube (4), the other end of spray tube (4) is equipped with nozzle (5), the top fixed mounting of quenching oil groove (1) has smoke return pipe (6), the fixed intercommunication of the right-hand member of smoke return pipe (6) has exhaust port (7), the internal surface of smoke return pipe (6) articulates there is blind plate (8), the right side of blind plate (8) is equipped with vacuum jet pipe (9), the bottom of vacuum jet pipe (9) extends to the inside of vacuum hood (2), the bottom of first pipeline (3) is equipped with second pipeline (10), the external surface intercommunication of second pipeline (10) has umbilical pipe (11), the other end of umbilical pipe (11) runs through vacuum hood (2) and extends to the inside of vacuum jet pipe (9) bottom The bottom of nozzle (5) is equipped with nitrogen gas cloud layer (12), the right-hand member fixed mounting of blind plate (8) has movable block (13) that is located inside smoke return pipe (6), the equal fixed mounting in front of blind plate (8) and vacuum jet pipe (9) has adjustment mechanism (14).
2. A quench oil sump fire suppression and flue gas collection mechanism according to claim 1, wherein: the top of the smoke returning pipe (6) is fixedly provided with a fixed plate (15), the bottom end of the fixed plate (15) is fixedly provided with a vertical rod (16), a moving plate (17) is movably arranged in the fixed plate (15), a groove (18) is formed in the fixed plate (15), the top of the moving plate (17) is fixedly provided with a limiting block (19) positioned in the groove (18), a spring (20) which is elastically supported at the right end of the limiting block (19) is clamped in the groove (18), a first transverse plate (21) is fixedly arranged at the bottom end of the outer surface of the fixed plate (15), a moving plate (22) is movably arranged at the top of the first transverse plate (21), an extrusion block (23) is fixedly arranged at the top of the moving plate (22), the bottom end of the moving plate (22) is fixedly provided with a vertical block (24), and the bottom end of the vertical block (24) penetrates through the first transverse plate (21) and is fixedly provided with teeth (25).
3. A quench oil sump fire suppression and flue gas collection mechanism according to claim 2, wherein: the left end fixed mounting of montant (16) has second diaphragm (26), the top of second diaphragm (26) is fixed with driving mechanism (27).
4. A fire suppression and fume collection system for a quench oil tank as claimed in claim 1, wherein: the adjusting mechanism (14) comprises a nut ring (141) and a threaded rod (142), and the threaded rod (142) is sleeved on the internal thread of the nut ring (141).
5. A quench oil sump fire suppression and flue gas collection mechanism according to claim 3, wherein: the power mechanism (27) comprises a motor (271), a transverse shaft (272) and a gear (273), wherein the transverse shaft (272) is movably connected to an output shaft of the motor (271), and the gear (273) is fixedly connected to the left end of the transverse shaft (272).
6. A fire suppression and fume collection system for a quench oil tank as claimed in claim 1, wherein: the movable block (13) is arc-shaped, and the movable block (13) is located on the square of the vacuum jet pipe (9).
7. A quench oil sump fire suppression and flue gas collection mechanism according to claim 1, wherein: the blind plate (8) is positioned on the right side of the top end of the vacuum jet pipe (9), and the outer surface of the blind plate (8) is coated with heat insulation paint.
8. A fire suppression and fume collection system for a quench oil tank as claimed in claim 1, wherein: the first pipeline (3) and the second pipeline (10) are both circular rings, and the inner diameter of the first pipeline (3) is larger than that of the second pipeline (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210191211.2A CN114807537A (en) | 2022-02-26 | 2022-02-26 | Fire extinguishing and flue gas collecting mechanism of quenching oil tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210191211.2A CN114807537A (en) | 2022-02-26 | 2022-02-26 | Fire extinguishing and flue gas collecting mechanism of quenching oil tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114807537A true CN114807537A (en) | 2022-07-29 |
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| CN202210191211.2A Pending CN114807537A (en) | 2022-02-26 | 2022-02-26 | Fire extinguishing and flue gas collecting mechanism of quenching oil tank |
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| DE4112680A1 (en) * | 1991-04-18 | 1992-10-22 | Herbert Eppel | Fire-extinguishing system, esp. for high pressure oil fires - comprises extinguisher container contg. liq. nitrogen@ which can be moved into position above fire, to enclose it etc. |
| CN104334235A (en) * | 2012-07-13 | 2015-02-04 | 日本碍子株式会社 | Fire extinguisher |
| CN205843344U (en) * | 2016-07-01 | 2016-12-28 | 苏州民生电热工程有限公司 | A kind of pit furnace fire door fire extinguishing nitrogen device |
| CN208328068U (en) * | 2018-04-04 | 2019-01-04 | 青岛即墨市索具有限公司 | mesh-belt quenching furnace |
| CN208362408U (en) * | 2018-06-21 | 2019-01-11 | 宁国慧宏耐磨材料有限公司 | A kind of environmentally friendly protective device of oil quenching bath |
| CN208815072U (en) * | 2018-08-20 | 2019-05-03 | 广州市机电工业研究所 | A kind of nitrogen gas stirring formula oil-quenching tank |
| CN212747374U (en) * | 2020-08-19 | 2021-03-19 | 江苏瑞墨建筑科技有限公司 | Cleanable full-automatic fireproof smoke exhaust system |
| CN213053871U (en) * | 2020-09-09 | 2021-04-27 | 嘉兴顺泽金属制品有限公司 | Automatic feeding device of numerical control lathe |
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2022
- 2022-02-26 CN CN202210191211.2A patent/CN114807537A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4112680A1 (en) * | 1991-04-18 | 1992-10-22 | Herbert Eppel | Fire-extinguishing system, esp. for high pressure oil fires - comprises extinguisher container contg. liq. nitrogen@ which can be moved into position above fire, to enclose it etc. |
| CN104334235A (en) * | 2012-07-13 | 2015-02-04 | 日本碍子株式会社 | Fire extinguisher |
| CN205843344U (en) * | 2016-07-01 | 2016-12-28 | 苏州民生电热工程有限公司 | A kind of pit furnace fire door fire extinguishing nitrogen device |
| CN208328068U (en) * | 2018-04-04 | 2019-01-04 | 青岛即墨市索具有限公司 | mesh-belt quenching furnace |
| CN208362408U (en) * | 2018-06-21 | 2019-01-11 | 宁国慧宏耐磨材料有限公司 | A kind of environmentally friendly protective device of oil quenching bath |
| CN208815072U (en) * | 2018-08-20 | 2019-05-03 | 广州市机电工业研究所 | A kind of nitrogen gas stirring formula oil-quenching tank |
| CN212747374U (en) * | 2020-08-19 | 2021-03-19 | 江苏瑞墨建筑科技有限公司 | Cleanable full-automatic fireproof smoke exhaust system |
| CN213053871U (en) * | 2020-09-09 | 2021-04-27 | 嘉兴顺泽金属制品有限公司 | Automatic feeding device of numerical control lathe |
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