CN115634409A - Temperature-sensing intelligent fire extinguisher capable of automatically spraying dry powder - Google Patents
Temperature-sensing intelligent fire extinguisher capable of automatically spraying dry powder Download PDFInfo
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- CN115634409A CN115634409A CN202211253756.8A CN202211253756A CN115634409A CN 115634409 A CN115634409 A CN 115634409A CN 202211253756 A CN202211253756 A CN 202211253756A CN 115634409 A CN115634409 A CN 115634409A
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Abstract
The invention discloses a temperature-sensing intelligent fire extinguisher capable of automatically spraying dry powder, which relates to the technical field of fire extinguishers and comprises the following components: the side surface of the storage box is provided with a temperature sensor; the driving mechanism drives the transmission mechanism to pre-stir the dry powder in the middle of the storage box through the operation of the driving mechanism; along with the change of temperature sensor response temperature, automatic switching mechanism operation of controlling for under the prerequisite of guaranteeing drive mechanism normal operating, the dry powder of starting drive mechanism two pairs of dead centers department is smashed. The device can automatically spray dry powder to extinguish fire according to the change of temperature, can keep the activity of the dry powder in the device, avoids the situation that the spraying amount is reduced due to the caking of the dry powder, has high practicability for many times, and can treat the floating dry powder after the fire extinguishment is finished, so the device has high intelligent and safety effects.
Description
Technical Field
The invention relates to the technical field of fire extinguishers, in particular to a temperature-sensing intelligent fire extinguisher capable of automatically spraying dry powder.
Background
Fire extinguishers are important tools for fire protection and disaster relief, and one of the common fire extinguishers is a dry powder fire extinguisher.
Present current fire extinguisher mostly needs manual control to put out a fire in hand-held, and when in the in-use of reality, the user is not indoor easily appearing, and the condition of conflagration appears in the room, consequently can not accomplish in time to put out a fire and save life or energy, and manual fire extinguishing has certain danger simultaneously, and consequently current fire extinguisher practicality and security are not good.
Disclosure of Invention
The invention aims to provide a temperature-sensing intelligent fire extinguisher capable of automatically spraying dry powder, which can automatically spray the dry powder to extinguish fire according to the change of temperature, simultaneously can keep the activity of the dry powder in the fire extinguisher, avoid the situation that the spraying amount is reduced due to the caking of the dry powder, has high practicability for many times, and can treat the floating dry powder after the fire extinguishment is finished, so the device has high intelligent and safety effects, and solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a temperature-sensing intelligent fire extinguisher capable of automatically spraying dry powder comprises:
the temperature sensor is arranged on the side surface of the storage box;
the driving mechanism drives the transmission mechanism to pre-stir the dry powder in the middle of the storage box through the operation of the driving mechanism;
the switching mechanism is automatically controlled to operate along with the change of the temperature sensed by the temperature sensor, so that the dry powder at two dead corners of the transmission mechanism is started to be smashed on the premise of ensuring the normal operation of the transmission mechanism;
the conveying structure is arranged at the bottom of the storage box and is used for spraying dry powder;
and with the change of the temperature sensed by the temperature sensor, the dry powder spraying is stopped, and the spraying assembly is started to perform subsequent operation.
Through actuating mechanism operates, drives reciprocating mechanism and moves, right the inner wall of storage box strikes to can intelligent regulation the dynamics of striking.
Optionally, a first mounting shell is fixedly connected to the upper surface of the storage box, and the lower surface of the first mounting shell is fixedly connected to the upper surface of the storage box;
the upper surface of the first mounting shell is fixedly connected with a second mounting shell, and the upper surface of the second mounting shell is fixedly connected with a mounting plate;
the mounting plate is connected with the area to be mounted through a fixing bolt.
Optionally, the drive mechanism comprises:
the lower surface of the first motor is fixedly connected with the upper surface of the first installation shell, a spline shaft is fixedly connected with a rotating portion of the first motor, a spline housing is sleeved on the surface of the spline shaft in a sliding mode, and a friction column is fixedly connected with the surface of the spline housing.
Optionally, the first transmission mechanism includes:
the upper end of the rotating rod is fixedly connected with a first friction wheel, and the upper surface of the storage box is provided with a first opening which is used for the rotating rod to penetrate and is in fixed-shaft rotating connection with the rotating rod;
the inner side of the stirring plate is fixedly connected with the surface of the rotating rod;
the inner side of the gear III is fixedly connected with the surface of the rotating rod, the upper surface of the storage box is provided with a fifth opening through which the connecting shaft penetrates and is rotatably connected with the fixed shaft, the surface of the connecting shaft is fixedly connected with a helical blade, the surface of the connecting shaft is fixedly connected with a gear IV, and a tooth groove part of the gear IV is meshed with a tooth groove part of the gear III.
Optionally, the switching mechanism includes:
the lower surface of the electric push rod is fixedly connected with the upper surface of the first mounting shell;
the lower surface of the connecting piece is fixedly connected with the telescopic part of the electric push rod, and the surface of the connecting piece is provided with a second opening through which the spline sleeve passes and is rotationally connected with the spline sleeve in a fixed shaft mode.
Optionally, the second transmission mechanism includes:
the inner side of the outer cylinder is in fixed-axis rotary connection with the surface of the rotating rod, and the upper surface of the first mounting shell is provided with a third opening through which the outer cylinder penetrates and is in fixed-axis rotary connection with the first mounting shell;
the inner side of the friction wheel II is fixedly connected with the surface of the outer barrel, the surface of the outer barrel is fixedly connected with an installation plate, three protrusions are arranged on the surface of the installation plate, the surfaces of the three protrusions are fixedly and rotatably connected with a rotating shaft in a fixed-shaft mode, and the surface of the rotating shaft is fixedly connected with a gear I;
the surface of the annular plate is fixedly connected with the inner wall of the first mounting shell, a tooth block is fixedly connected to the inner side of the annular plate, and a tooth socket part of the tooth block is meshed with a tooth socket part of the first gear;
the inner side of the scraper is fixedly connected with the surface of the rotating shaft;
the confession has been seted up on the surface of storage box the gliding ring channel of pivot, sliding connection has three arc piece in the cell wall of ring channel, the upper and lower both sides of arc piece all are provided with outer eaves portion, two outer eaves portion with the combination form of arc piece enables the arc piece is stable slide in the cell wall of ring channel, the confession has been seted up on the surface of arc piece the pivot passes and decides the rotation of axle with it and is connected opening four.
Optionally, the conveying structure includes:
the upper end of the first control valve is communicated with the lower end of the storage box, the lower end of the first control valve is communicated with a high-pressure powder spraying pump, the lower end of the high-pressure powder spraying pump is fixedly communicated with a discharge pipe, the surface of the discharge pipe is in fixed-axis rotary connection with a blanking shell, and the high-pressure powder spraying pump is fixedly connected with the surface of the storage box through a connecting piece;
and a discharge hole is formed in the surface of the blanking shell.
Optionally, the spray assembly includes:
the inner side of the annular container is fixedly connected with the surface of the storage box, and an inlet pipe and a discharge pipe are fixedly communicated with the surface of the annular container;
the surface of delivery pipe is provided with control valve two, the end fixing intercommunication of delivery pipe has the annular shell, the inboard of annular shell with the outside fixed connection of unloading shell, the liquid outlet has been seted up to the lower surface of annular shell.
Optionally, a toothed ring is fixedly connected to the surface of the blanking shell, and a second gear is meshed with a tooth groove part of the toothed ring;
and a second motor, wherein a supporting column is fixedly connected to the surface of the second motor, the upper surface of the supporting column is fixedly connected with the surface of the storage box, and a rotating part of the second motor is fixedly connected with the upper surface of the second gear.
The reciprocating mechanism comprises:
the inner side of the first connecting plate is fixedly connected with the outer side of the rotating rod, a sliding rod is arranged on the upper surface of the first connecting plate, the end part of the sliding rod is fixedly connected with a second connecting plate in a rotating mode, the end part of the second connecting plate is hinged with a moving block, a sleeve block is sleeved on the outer surface of the moving block in a sliding mode, the outer side of the sleeve block is fixedly connected with the inner wall of the storage box, the side face of the moving block is connected with a moving rod in a sliding mode, the opposite side of the moving rod and the inner wall of the moving block is fixedly connected with an elastic element, and the end part of the moving rod is fixedly connected with a knocking block;
the upper surface department of connecting plate one has seted up the mounting groove, the cell wall department fixedly connected with motor three of mounting groove, the rotation portion fixedly connected with threaded rod of motor three, the side of slide bar is seted up and is supplied the threaded rod pass and with threaded rod threaded connection's screw thread mouth, the side of slide bar with the cell wall department sliding connection of mounting groove.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention has the function of pre-preparation, can carry out auxiliary inspection under other auxiliary tools such as a monitor, a fire detector and the like in the process of pre-preparation, and discover the specific reason of rapid temperature rise so as to avoid that equipment is overheated and not on fire due to the fact that a user operates electronic equipment nonstandard, and if the equipment is sprayed with fire extinguishment at the moment, the normal operation of the equipment can be influenced, and the influence on the work of personnel can be caused.
2. According to the invention, under the temperature sensing action of the temperature sensor, the first motor is controlled to rotate to drive the first friction wheel, the rotating rod and the stirring plate to rotate, and the rotation of the stirring plate stirs and mixes the dry powder in the storage box; helical blade can smash and drive the accumulational dry powder upset of bottom and come, and then has improved the effect of smashing, and this mode has possessed:
the technical point I is as follows: the method achieves a certain pre-preparation stage, when the temperature rises, the dry powder is mixed and smashed, the caking condition of the dry powder is reduced, if the dry powder needs to be sprayed subsequently, the condition that the spraying amount is insufficient due to caking of the dry powder is avoided, if the dry powder does not need to be sprayed subsequently, the stirring is also beneficial to reducing the caking condition of the dry powder in the storage box, and the subsequent use is convenient;
and a second technical point: through the stirring of stirring board to the dry powder for the accumulational dry powder of caking is by even smashing and mixing, through helical blade's rotation down, has accelerated the mobility of dry powder in the storage box, makes the stirring board contact with the dry powder under different positions, the different caking forms all the time, has reached the effect that the high efficiency was smashed.
3. The invention drives the second transmission mechanism to operate under the temperature sensing action of the temperature sensor, so that the scraper performs revolution and rotation movements to break up and mix dry powder agglomerated on the inner wall of the storage box, and the method has the following characteristics:
the technical points are as follows: through the rotation of the scraper, the dry powder agglomerates on the inner wall of the storage box are scraped and scattered, so that the dry powder agglomerates become dry powder particles with smaller specifications again and are conveyed out for fire extinguishing, the method has an all-directional stirring effect, not only can the dry powder in the center be stirred, but also the dry powder at the dead angle of the inner wall can be stirred, a higher mixing effect is achieved, and the spraying amount of the dry powder is ensured;
and a second technical point: the three groups of scrapers are not in the same plane in the height direction, so that under the condition that the scrapers rotate around, the mixing range and area can be increased on the premise of improving the mixing efficiency, and the area with mixing dead angles is avoided;
the technical points are as follows: the mode has multiple practicability, can compensate the dry powder in time to meet the continuous use of the device, has wide application and sale prospect, ensures the service life of the device under the condition of not influencing the normal dry powder conveying, and has better practicability and intelligent level;
the technical points are as follows: because of the unique setting of this mode, can separate parts such as gear with dry powder and mechanical parts, this device can reach the effect of keeping apart the dry powder under the prerequisite that can guarantee that the storage box upper plate can not drop, and the annular groove is all covered to three outer eaves portion, and complete adaptation, under the gliding condition of assurance, has improved the separation effect.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is an isometric view of a structure of the present invention;
FIG. 3 is a sectional view of the structure at the storage tank of the present invention;
FIG. 4 is a schematic view of the structure at the mounting plate of the present invention;
FIG. 5 is an exploded view of the structure of the present invention;
FIG. 6 is a schematic view of the structure at the position of the helical blade of the present invention;
FIG. 7 is an enlarged view of the structure of FIG. 3A in accordance with the present invention;
FIG. 8 is an enlarged view of the structure of FIG. 3A in accordance with the present invention;
FIG. 9 is a schematic view of the structure at the striking block of the present invention;
fig. 10 is a schematic diagram of the three-position structure of the motor of the present invention.
In the figure: 1. a storage box; 2. mounting a first shell; 3. mounting a second shell; 4. mounting a plate; 5. a first motor; 6. a spline shaft; 7. a spline housing; 8. a friction column; 9. a rotating rod; 10. a first friction wheel; 11. stirring the plate; 12. an electric push rod; 13. a connecting member; 14. an outer cylinder; 15. a second friction wheel; 16. a boss portion; 17. a rotating shaft; 18. a first gear; 19. an annular plate; 20. a tooth block; 21. a squeegee; 22. an annular groove; 23. an arc-shaped block; 24. an outer eaves portion; 25. a high-pressure powder spraying pump; 26. a discharge pipe; 27. blanking shell; 28. a discharge port; 29. an annular container; 30. an inlet pipe; 31. a discharge pipe; 32. a second control valve; 33. an annular shell; 34. a toothed ring; 35. a second gear; 36. a third gear; 37. a connecting shaft; 38. a helical blade; 39. a fourth gear; 41. a temperature sensor; 42. mounting a plate; 43. a first control valve; 44. a second motor; 45. a first connecting plate; 46. a second connecting plate; 47. a moving block; 48. sleeving blocks; 49. knocking the block; 50. a slide bar; 51. mounting grooves; 52. a third motor; 53. a threaded rod.
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 to 10, in the present embodiment, a temperature-sensing intelligent fire extinguisher for automatically spraying dry powder is provided, wherein a temperature sensor 41 is installed on a side surface of a storage box 1.
More specifically, in the present embodiment: under the effect of the temperature sensor 41, the temperature can be monitored in real time and signals can be transmitted, so that a user can know indoor conditions in time.
Further, in the present embodiment: the driving mechanism drives the transmission mechanism to pre-stir the dry powder in the middle of the storage box 1 through the operation of the driving mechanism.
More specifically, in the present embodiment: under the temperature sensing effect through temperature sensor 41 to control actuating mechanism by the timely control of the control element in the control panel and rotate, make drive mechanism one can smash and drive the accumulational dry powder upset of bottom and come, and then improved the effect of smashing, this mode has possessed:
s1: the method achieves a certain pre-preparation stage, the dry powder is mixed and smashed when the temperature rises, if the dry powder needs to be sprayed, the situation that the spraying amount is insufficient due to the caking of the dry powder is avoided, and if the dry powder does not need to be sprayed, the stirring is also beneficial to reducing the caking situation of the dry powder in the storage box 1, so that the later use is facilitated;
s2: through the operation of the first transmission mechanism, the agglomerated dry powder is more efficiently mixed, and meanwhile, the dry powder at the bottom layer is continuously driven to be transported towards the upper part of the storage box 1 through the operation of spiral rotation, so that the flowability of the dry powder in the storage box 1 is accelerated, and the efficient smashing effect is achieved;
s3: first drive mechanism is in the central part of storage box 1, and the blanking structure of this mode also is in the central point of storage box 1 bottom and puts, so just smash the dry powder of center department caking completely when preparing the stage, when needs spray the dry powder, the center is smashed the dry powder that does not have the caking and can be sprayed, and then the thinner dry powder of specification that sprays out can carry out abundant contact with flame, improves the effect of putting out a fire.
Further, in this implementation: along with the change of temperature sensor 41 response temperature, automatic operation switching mechanism operates for under the prerequisite of guaranteeing drive mechanism normal operating, start the dry powder of drive mechanism two dead centers departments and smash.
More specifically, in the present embodiment: under the temperature sensing effect through temperature sensor 41, drive the operation of switching mechanism for drive the dry powder of drive mechanism two diagonal positions department simultaneously and smash, this formula has possessed:
s1: through the rotation of the second transmission mechanism, the effect of scraping and scattering dry powder agglomerates on the inner wall of the storage box 1 is achieved, so that the dry powder becomes dry powder particles with smaller specifications again and is conveyed out for fire extinguishing, the method has an all-dimensional stirring effect, not only can be used for stirring the dry powder at the center, but also can be used for stirring the dry powder at the dead angle of the inner wall, a higher mixing effect is achieved, and the dry powder spraying amount is ensured;
s2: the structure in the second transmission mechanism is not in the same plane in the height direction, so that the mixing range and area can be increased on the premise of improving the mixing efficiency under the condition that the second transmission mechanism revolves and rotates;
s3: this device just begins to scrape the material and mix near inner wall's dry powder to storage box 1 inner wall in the fire control interval, and this mode has also possessed under the condition that does not influence normal dry powder and carry, has guaranteed the life of this device, and practicality and intelligent level are better.
Further, in this implementation: and the conveying structure is arranged at the bottom of the storage box 1 and is used for spraying dry powder.
More specifically, in the present embodiment: the spraying device is used for spraying the dry powder under pressure, and the dry powder is kept in full contact with flame.
Further, in this implementation: with the temperature change sensed by the temperature sensor 41, the spraying of the dry powder is stopped, and the spraying assembly is started for subsequent operation.
More specifically, in the present embodiment: this mode one side can be put out again still remaining flame to and the dry powder of suspension in the air and subaerial dry powder spray water, make dry powder and water mix to condense, the fire fighter or the user of being convenient for clear up.
Further, in the present embodiment: the upper surface of the storage box 1 is fixedly connected with a first mounting shell 2, and the lower surface of the first mounting shell 2 is fixedly connected with the upper surface of the storage box 1; the upper surface of the first mounting shell 2 is fixedly connected with a second mounting shell 3, and the upper surface of the second mounting shell 3 is fixedly connected with a mounting plate 4; the mounting plate 4 is connected to the area to be mounted by means of fixing bolts.
More specifically, in the present embodiment: under the effect through installation shell one 2 and installation shell two 3, protected this device inner structure's security, the position of treating the installation can be installed with this device to the setting of mounting panel 4 simultaneously, has improved the installation effectiveness.
Further, in this implementation: motor 5, the lower surface of motor 5 is connected with the last fixed surface of installation shell 2, and the rotation portion fixedly connected with integral key shaft 6 of motor 5, the surperficial sliding of integral key shaft 6 have cup jointed spline housing 7, and spline housing 7's fixed surface is connected with friction column 8.
More specifically, in the present embodiment: the spline shaft 6 and the spline sleeve 7 are driven to rotate by the operation of the rotating part of the first motor 5, and then the friction column 8 is driven to rotate.
Further, in this implementation: the upper end of the rotating rod 9 is fixedly connected with a friction wheel I10, and the upper surface of the storage box 1 is provided with an opening I through which the rotating rod 9 penetrates and is rotatably connected with a fixed shaft of the rotating rod.
More specifically, in the present embodiment: the rotating rod 9 is driven to rotate by the rotation of the first friction wheel 10.
Further, in the present embodiment: and the inner side of the stirring plate 11 is fixedly connected with the surface of the rotating rod 9.
More specifically, in the present embodiment: through the rotation of bull stick 9, driving stirring board 11 and rotating, stirring and smashing the inside dry powder of this device for the condition that reduces the dry powder caking appears.
Further, in this implementation: the inner side of the third gear 36 is fixedly connected with the surface of the rotating rod 9, the upper surface of the storage box 1 is provided with a fifth opening through which the connecting shaft 37 penetrates and is rotatably connected with the fixed shaft, the surface of the connecting shaft 37 is fixedly connected with a helical blade 38, the surface of the connecting shaft 37 is fixedly connected with a fourth gear 39, and a tooth groove part of the fourth gear 39 is meshed with a tooth groove part of the third gear 36.
More specifically, in the present embodiment: through the rotation of bull stick 9, driving gear three 36 and rotating to under the meshing transmission, driving gear four 39 and connecting axle 37 and rotating, finally can making helical blade 38 rotate, make can not only mix and smash the dry powder, make the dry powder of bottom be conveyed up simultaneously, make the inside dry powder of this device have mobility, and then improved the mixing of drive mechanism one and drive mechanism two and smash the effect.
Further, in this implementation: the lower surface of the electric push rod 12 is fixedly connected with the upper surface of the first mounting shell 2, the lower surface of the connecting piece 13 is fixedly connected with the telescopic part of the electric push rod 12, and the surface of the connecting piece 13 is provided with a second opening through which the spline sleeve 7 passes and is rotatably connected with the spline sleeve in a fixed shaft mode.
More specifically, in the present embodiment: the operation of the telescopic part of the electric push rod 12 drives the connecting piece 13, the spline housing 7 and the friction column 8 to move downwards, as shown in fig. 7, so that the friction column 8 can drive the operation synchronous with the first friction wheel 10 and the second transmission mechanism.
Further, in this implementation: and the inner side of the outer cylinder 14 is fixedly and rotatably connected with the surface of the rotating rod 9, and the upper surface of the first mounting shell 2 is provided with a third opening through which the outer cylinder 14 penetrates and is fixedly and rotatably connected with the third opening.
More specifically, in the present embodiment: the connection stability of the outer cylinder 14 and the rotating rod 9 can be maintained without interference by the rotating relationship of the outer cylinder 14 and the rotating rod 9 and the rotating relationship of the outer cylinder 14 and the opening three.
Further, in this implementation: the inner side of the friction wheel II 15 is fixedly connected with the surface of the outer cylinder 14, the surface of the outer cylinder 14 is fixedly connected with an installation plate 42, three protrusions 16 are arranged on the surface of the installation plate 42, the surfaces of the three protrusions 16 are all in fixed-axis rotation connection with a rotating shaft 17, and the surface of the rotating shaft 17 is fixedly connected with a gear I18.
More specifically, in the present embodiment: the outer cylinder 14 is driven to rotate by the rotation of the second friction wheel 15, so that the mounting plate 42, the three bosses 16, the rotating shaft 17 and the first gear 18 synchronously revolve around the outer cylinder 14 as a circle center.
Further, in this implementation: and the surface of the annular plate 19 is fixedly connected with the inner wall of the first mounting shell 2, a tooth block 20 is fixedly connected to the inner side of the annular plate 19, and a tooth groove part of the tooth block 20 is meshed with a tooth groove part of the first gear 18.
More specifically, in the present embodiment: through the revolution of the gear 18, the gear 18 and the rotating shaft 17 can be driven to rotate while revolving when the gear is in meshing transmission with the tooth block 20.
Further, in the present embodiment: the inner side of the scraper 21 is fixedly connected with the surface of the rotating shaft 17.
More specifically, in the present embodiment: through the revolution and the rotation of the rotating shaft 17, the scraper 21 is driven to rotate while revolving, so that the dry powder on the inner wall of the storage box 1 can be hung down, and meanwhile, the area around the inner wall can be mixed and smashed, and the caking condition of the dry powder is reduced.
Further, in the present embodiment: supply the gliding ring channel 22 of pivot 17 to be seted up on the surface of storage box 1, sliding connection has three arc piece 23 in the cell wall of ring channel 22, the upper and lower both sides of arc piece 23 all are provided with outer eaves portion 24, the combination form of two outer eaves portions 24 and arc piece 23, enable the stable cell wall at ring channel 22 of arc piece 23 and slide, the opening four that supplies pivot 17 to pass and rotate the connection with it is seted up on the surface of arc piece 23.
More specifically, in the present embodiment: under the effect through arc piece 23 and two outer eaves portion 24, the condition that drops can not appear in the center department that can keep 1 upper surface of storage box, and reach the effect of separation dry powder simultaneously, avoid the dry powder caking on mechanical parts and the card condition of dying that appears.
Furthermore, in the embodiment, a first control valve 43 is provided, the upper end of the first control valve 43 is communicated with the lower end of the storage tank 1, the lower end of the first control valve 43 is communicated with a high-pressure powder spraying pump 25, the lower end of the high-pressure powder spraying pump 25 is fixedly communicated with a discharge pipe 26, the surface of the discharge pipe 26 is in fixed-axis rotation connection with a blanking shell 27, and the high-pressure powder spraying pump 25 is fixedly connected with the surface of the storage tank 1 through a connecting piece; the surface of the blanking shell 27 is provided with a discharge hole 28.
More specifically, in the present embodiment: when fire is needed to be extinguished, the first control valve 43 is intelligently opened, and dry powder is finally sprayed out from the blanking shell 27 and the discharge hole 28 under the action of the high-pressure powder spraying pump 25, so that the dry powder is contacted with flame, and the effect of extinguishing fire is achieved;
it should be noted that the high-pressure powder spraying pump 25 adopted in the present embodiment is of an existing structure, and the high-pressure powder spraying pump 25 may be disposed below the present apparatus, or may be disposed above the present apparatus or other areas, so long as the effect of pressurized spraying can be achieved according to the actual needs of the user and the manufacturer;
in the existing fire extinguisher, the dry powder is in the environment and has a certain pressure, and the high-pressure powder spraying pump 25 used by the device can also serve as an auxiliary pressurizing component, so that the situation of insufficient pressure can occur when the device is stored for a long time, and a pressure checking instrument is also arranged on the left side of the device as shown in fig. 1, so that the high-pressure powder spraying pump 25 can also improve the effect of spraying pressure, and the mode that the dry powder is required to be injected and the pressure is applied to the inside of the device for the next use is the existing mode, and is not repeated.
Further, in this implementation: and an annular container 29, the inner side of the annular container 29 being fixedly connected with the surface of the storage tank 1, and an inlet pipe 30 and a discharge pipe 31 being fixedly communicated with the surface of the annular container 29.
More specifically, in the present embodiment: the annular container 29 is filled with water, and the water in the annular container can be added, so that the aim of continuous and multiple use is fulfilled.
Further, in the present embodiment: the surface of the discharge pipe 31 is provided with a second control valve 32, the end part of the discharge pipe 31 is fixedly communicated with an annular shell 33, the inner side of the annular shell 33 is fixedly connected with the outer side of the blanking shell 27, and the lower surface of the annular shell 33 is provided with a liquid outlet.
More specifically, in the present embodiment: after the fire is extinguished for a period of time, the second control valve 32 is automatically started, so that water in the annular container 29 can flow into the annular shell 33 through the discharge pipe 31 to achieve the effect of spraying water, and dry powder suspended in the air is atomized and sprayed, so that the dry powder is condensed, and a user can conveniently enter a field to clean the field.
Further, in the present embodiment: and a supporting column is fixedly connected to the surface of the second motor 44, the upper surface of the supporting column is fixedly connected with the surface of the storage box 1, and the rotating part of the second motor 44 is fixedly connected with the upper surface of the second gear 35.
More specifically, in the present embodiment: the second gear 35 is driven to rotate by the operation of the rotating part of the second motor 44.
Further, in the present embodiment: a toothed ring 34 is fixedly connected to the surface of the blanking shell 27, and a second gear 35 is meshed with a toothed groove part of the toothed ring 34.
More specifically, in the present embodiment: through the rotation of the second gear 35, the toothed ring 34 and the blanking shell 27 are driven to rotate under meshing transmission, so that the effect of spraying dry powder in a rotary mode is achieved, the spraying area is favorably improved, and the fire extinguishing effect and efficiency are increased.
Further, in this implementation: the inner side of the first connecting plate 45 is fixedly connected with the outer side of the rotating rod 9, a sliding rod 50 is arranged on the upper surface of the first connecting plate 45, the end part of the sliding rod 50 is fixedly connected with a second connecting plate 46 in a fixed-shaft mode, the end part of the second connecting plate 46 is hinged with a moving block 47, a sleeve block 48 is sleeved on the outer surface of the moving block 47 in a sliding mode, the outer side of the sleeve block 48 is fixedly connected with the inner wall of the storage box 1, the side face of the moving block 47 is connected with a moving rod in a sliding mode, an elastic element is fixedly connected to the opposite side of the inner wall of the moving rod and the inner wall of the moving block 47, and a knocking block 49 is fixedly connected to the end part of the moving rod.
More specifically, in the present embodiment: when the rotating rod 9 rotates, the rotating rod 9 is in an initial dry powder stirring state, the sliding rod 50 is driven to revolve by the rotation of the rotating rod 9, the connecting plate II 46 is driven to deflect under the hinged relation, and a connecting rod reciprocating mechanism can be finally formed due to the limitation of the sleeve block 48 on the displacement direction of the moving block 47, so that the knocking block 49 can continuously knock the inner wall of the storage box 1, the inner wall of the storage box 1 can continuously vibrate, and the vibration is beneficial to vibrating the caking and the dry powder attached to the inner wall to loosen the caking and the dry powder, and the attachment amount of the dry powder is further reduced;
it is worth noting that: this mode only operates when bull stick 9 rotates, namely under initial state, consequently can reduce the duration of knocking, avoid continuously knocking the damage to storage box 1 to and when subsequent spraying and subsequent clear up the dead angle, vibrations may influence the effect of spraying and vibrations and probably aggravate the degree of wear between storage box 1 inner wall and the dead angle clearance structure, consequently this mode is at initial mixture and carry out vibrations, the two combines to mix the effect better.
Further, in this implementation: the upper surface department of connecting plate 45 has seted up mounting groove 51, and the cell wall department fixedly connected with motor three 52 of mounting groove 51, the rotating part fixedly connected with threaded rod 53 of motor three 52, and the side of slide bar 50 is seted up and is supplied threaded rod 53 to pass and with threaded rod 53 threaded connection's screw thread mouth, slide bar 50's side and the cell wall department sliding connection of mounting groove 51.
More specifically, in the present embodiment: through the operation of the rotating part of the motor III 52, under the screw transmission and displacement limitation, the sliding rod 50 can be driven to move transversely, the distance between the sliding rod 50 and the rotating rod 9 can be further changed, the deflection amplitude of the connecting plate II 46 can be changed, and finally the moving range of the knocking block 49 can be changed, so that the compression degree of the elastic elements in the connecting plate II is different, and finally the knocking force of the knocking block 49 can be changed, so that the directional adjustment can be carried out according to the actual situation, the adjustment can be carried out according to the storage time of the device, and the follow-up adjustment can also be carried out in the operation process, so that the blanking rate of dry powder can be greatly improved, and the condition that the dry powder is accumulated on the inner wall is reduced.
The working principle is as follows: this automatic intelligent fire extinguisher who sprays dry powder of temperature sensing formula during the use, the dry powder fire extinguisher is a fire extinguisher commonly used, and the dry powder fire extinguisher plays important effect in fire protection, but current dry powder fire extinguisher, mostly be the direct pressurization injection dry powder when using, or the manual work rocks and sprays the dry powder, the effect is not good when using this mode, after the long-time deposit of dry powder, the condition of dry powder caking easily appears, and the dry powder after the caking is when emergent fire extinguishing uses, the volume of spraying the dry powder is not enough easily appears, probably block up the sprinkler head in addition, cause the condition of spraying the inefficacy, the serious influence has been caused to user's life and property safety.
In the method, by means of the temperature sensing function of the temperature sensor 41, a sensing value interval is set in advance according to the burning temperature of a fire disaster when the fire-fighting equipment is initially used, a preparation interval and a fire-fighting interval can be set, the temperature measured by the sensor gradually rises when the fire-fighting equipment is in the preparation interval, but the fire disaster does not have high temperature, so that the preparation interval is reached, the fire can be extinguished when the fire-fighting equipment is in the fire-fighting interval, the temperature which can be reached under a series of problems such as poor heat dissipation of indoor electronic products and poor ventilation under the environment can be caused when the fire-fighting equipment is in the preparation interval, the temperature can rise when the fire disaster burns in a large range, in order to avoid spreading of the fire, the method has a pre-preparation function, auxiliary inspection can be performed by means of other auxiliary tools such as monitors and detectors during the pre-preparation process, and specific reasons for rapid temperature rise can be discovered when the fire disaster is about, so that the equipment is overheated and is not on fire, and if the equipment is not on fire fighting, the normal operation can be influenced by personnel.
Under the temperature sensing action of the temperature sensor 41, after the numerical value of a preparation interval is reached, the temperature sensor 41 detects the temperature change in real time and transmits the data to an external control panel, a control element in the control panel timely controls the motor I5 to rotate, the spline shaft 6 and the spline sleeve 7 are driven to rotate through the operation of a rotating part of the motor I5, the rotation of the spline shaft and the spline sleeve 7 is not influenced when the spline sleeve 7 moves under the spline transmission relationship, so that the friction column 8 can be driven to rotate, the friction wheel I10, the rotating rod 9 and the stirring plate 11 are driven to rotate under the friction transmission relationship, and the dry powder in the storage box 1 is stirred and mixed through the rotation of the stirring plate 11; the rotation through bull stick 9 can drive gear three 36 and rotate to under the meshing transmission, drive three gear four 39, connecting axle 37 and helical blade 38 and rotate, make helical blade 38 can smash and drive the accumulational dry powder upset of bottom and come, and then improved the effect of smashing, this mode has possessed:
the technical point I is as follows: if the subsequent spraying stage is performed, the dry powder is stirred in time, and the blanking efficiency of the dry powder in the caking state is still lower, so that the method achieves a certain preparation stage, the dry powder is mixed and smashed when the temperature is raised, the caking condition of the dry powder is reduced, if the dry powder needs to be sprayed subsequently, the condition that the spraying amount is insufficient due to caking of the dry powder is avoided, and if the dry powder does not need to be sprayed subsequently, the stirring also helps to reduce the caking condition of the dry powder in the storage tank 1, and the subsequent use is convenient;
the second technical point is that: the dry powder agglomerated and piled is uniformly smashed and mixed through the stirring of the stirring plate 11, and the agglomerated dry powder is more efficiently mixed through the rotation of the spiral blades 38, and meanwhile, the dry powder at the bottom layer can be continuously transported towards the upper part of the storage box 1 through the operation of spiral rotation, so that the flowability of the dry powder in the storage box 1 is accelerated, the stirring plate 11 is always in contact with the dry powder at different positions and in different agglomeration forms, the efficient smashing effect is achieved, the method is different from the existing manual shaking and simple mixing method, the smashing and stirring effects are better, and the safety of life and property of a user is ensured;
the technical points are as follows: stirring board 11 and helical blade 38 all are in the central part of storage box 1, and the transport structure of this mode, also be in the central point of storage box 1 bottom promptly, consequently when preparing the stage, just smash the dry powder of caking in center department completely, when needs spray the dry powder, the center is smashed the dry powder that does not have the caking and can be sprayed, and then the thinner dry powder of specification that sprays away can carry out abundant contact with flame, has improved fire control effect.
Under the temperature sensing action of the temperature sensor 41, after the value in the fire-fighting area is reached, the temperature sensor 41 detects the temperature change in real time, and transmits the data to the external control board, and the control element in the control board timely controls the electric push rod 12 to operate, so that the telescopic part of the electric push rod 12 drives the spline sleeve 7 and the friction column 8 to move downwards, as shown in fig. 7, the friction column 8 simultaneously performs contact friction transmission with the first friction wheel 10 and the second friction wheel 15, and continues friction transmission with the first friction wheel 10, thereby ensuring the continuous operation of the transmission mechanism, while the second friction wheel 15 rotates, the mounting plate 42 is driven to rotate, and the protruding part 16, the rotating shaft 17 and the first gear 18 on the friction column synchronously perform revolution by taking the rotating rod 9 as the center of the circle, and the tooth block 20 is arranged, so that when the first gear 18 revolves, the gear I18 rotates when revolving, and then is transmitted to the scraper 21 below, so that the scraper 21 performs revolution and rotation movements while revolving, and the dry powder agglomerated on the inner wall of the storage box 1 is scattered and mixed, meanwhile, in order to avoid the plate part of the storage box 1 at the inner side of the annular groove 22 from falling and blanking, the arc-shaped block 23 and the two outer eaves 24 are arranged, the structural plate inside the arc-shaped block 23 can be kept from falling, the arc-shaped block 23 can slide in the annular groove 22, and the outer eaves 24 plays a role in shielding and limiting, so that the running performance of the device can be ensured, and when the arc-shaped block 23 rotates, because of the plate body above the storage box 1 at the inner side of the annular groove 22, the connection mode is similar to the rotation connection, and therefore, along with the rotation of the arc-shaped block 23, the plate body in the upper part of the storage box 1 can deflect under the action of gravity due to the fact that the plate body is different and can rotate due to friction, when deflection occurs, the operation of the first transmission mechanism cannot be influenced, and meanwhile, the area and the range of the disturbance area of the first transmission mechanism can be increased to a greater extent when deflection occurs, and the method is provided with:
the technical points are as follows: when a fire condition is detected, the fire condition can be timely found by the aid of a detection numerical range of the temperature sensor 41 and the auxiliary cooperation with a fire detector, at the moment, dry powder agglomerates on the inner wall of the storage box 1 are scraped and scattered through rotation of the scraper 21, so that dry powder particles with smaller specifications are formed again and are conveyed out for fire extinguishing, when the dry powder is stored for a long time, the dry powder is easy to agglomerate in the dry powder, the agglomerates can be generated on the inner wall of the storage box 1, if the dry powder agglomerates are not cleaned, the spraying amount of the dry powder can be reduced, the fire condition cannot be effectively controlled, the method has an all-round stirring effect, the dry powder can be stirred in the center, the dry powder at the dead corner of the inner wall can be stirred, a higher mixing effect is achieved, the spraying amount of the dry powder is guaranteed, the blocking of the device by the agglomerated dry powder is avoided, and the condition that the contact area of the agglomerated dry powder with flame is smaller after the agglomerated dry powder is sprayed out is avoided, so that the fire extinguishing efficiency is influenced;
the second technical point is that: as shown in fig. 6, the three sets of scrapers 21 of the present embodiment are all located on the same plane in the height direction of the scrapers 21 distributed on the three rotating shafts 17, so that under the condition that the scrapers 21 rotate while revolving, the mixing efficiency is improved, the mixing range and area can be increased, and the occurrence of the region with mixing dead angle can be avoided;
the technical points are as follows: if the device is started, namely the scraper 21 is rotated in the preparation interval, no matter whether the subsequent fire occurs, the abrasion of the inner wall of the storage box 1 is more and more serious in long-time use, so the service life of the device is seriously influenced, and the device is different from the existing disposable fire extinguisher, the method has multiple practicability, dry powder can be timely compensated by arranging the feed inlet on the storage box 1 so as to meet the continuous use of the device, so the device has wide application and sale prospects, the device starts to scrape the inner wall of the storage box 1 and mix the dry powder near the inner wall in the fire-fighting interval, the normal blanking of a conveying structure cannot be influenced, the dry powder in the middle is mixed by the transmission mechanism, so the method has the advantages of ensuring the service life of the device under the condition of not influencing the normal dry powder conveying, and better practicability and intelligence;
the technical points are as follows: because of the unique setting of this mode, can separate dry powder and mechanical part such as parts such as gear, as shown in fig. 8, through arc piece 23 and outer eaves portion 24 under the effect, the partitioned effect has been reached, at the fire extinguisher that current hanging and possess repetitious usage, its mechanical part does not contact with dry powder, but does not accomplish high-efficient partitioned effect yet, consequently when dry powder stirs, the condition that dry powder adheres to mechanical part easily appears, long-time use, the caking of dry powder on mechanical part easily appears, cause the dead condition of part card, make the device inefficacy, and this device can reach the effect of keeping apart dry powder under the prerequisite that can guarantee that storage box 1 upper plate can not drop, as shown in fig. 4, three outer eaves portion 24 all cover annular groove 22, and complete adaptation, guarantee under the gliding condition, the separation effect has been improved.
When a fire is detected, the control panel can automatically open the first control valve 43, so that dry powder in the storage box 1 flows out, and under the operation of the high-pressure powder spraying pump 25, the dry powder can be pressurized and input into the discharging shell 27 and finally sprayed out from the discharging hole 28, and due to the fact that the plurality of discharging holes 28 are formed, the agglomerated dry powder can be further refined, meanwhile, the spraying range and area are increased, and the fire extinguishing effect is better.
After the fire extinguishing of the dry powder is finished, after the high temperature and the fire condition cannot be detected at this time, after a certain time interval, the control panel is used for starting the second control valve 32, so that water in the annular container 29 can be injected into the annular shell 33 through the discharge pipe 31 and flows out from the liquid outlet on the annular shell, an atomizer and a pressure pump can be additionally arranged in the annular shell 33, and the effect of spraying water mist is achieved.
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 (10)
1. The utility model provides an intelligent fire extinguisher of automatic dry powder that sprays of temperature sensing formula which characterized in that: the method comprises the following steps:
the temperature control device comprises a storage box (1), wherein a temperature sensor (41) is mounted on the side surface of the storage box (1);
the driving mechanism drives the transmission mechanism to pre-stir the dry powder in the middle of the storage box (1) through the operation of the driving mechanism;
along with the change of the temperature sensed by the temperature sensor (41), the switching mechanism is automatically controlled to operate, so that the dry powder at two dead corners of the transmission mechanism is started to be smashed on the premise of ensuring the normal operation of the transmission mechanism;
the conveying structure is arranged at the bottom of the storage box (1) and is used for spraying dry powder;
with the change of the temperature sensed by the temperature sensor (41), the dry powder spraying is stopped, and the spraying assembly is started to perform subsequent operation;
through actuating mechanism operates, drives reciprocating mechanism and moves, right the inner wall of storage box (1) strikes to can intelligent regulation the dynamics of striking.
2. The intelligent fire extinguisher for automatically spraying dry powder according to claim 1, characterized in that: the upper surface of the storage box (1) is fixedly connected with a first installation shell (2), and the lower surface of the first installation shell (2) is fixedly connected with the upper surface of the storage box (1);
the upper surface of the first mounting shell (2) is fixedly connected with a second mounting shell (3), and the upper surface of the second mounting shell (3) is fixedly connected with a mounting plate (4);
the mounting plate (4) is connected with a region to be mounted through a fixing bolt.
3. The intelligent fire extinguisher for automatically spraying dry powder according to claim 2, characterized in that: the drive mechanism includes:
motor (5), the lower surface of motor (5) with the last fixed surface of installation shell (2) is connected, the rotation portion fixedly connected with integral key shaft (6) of motor (5), spline housing (7) have been cup jointed in the surface slip of integral key shaft (6), the fixed surface of spline housing (7) is connected with friction column (8).
4. The intelligent fire extinguisher for automatically spraying dry powder according to claim 3, wherein: the first transmission mechanism comprises:
the upper end of the rotating rod (9) is fixedly connected with a first friction wheel (10), and the upper surface of the storage box (1) is provided with a first opening through which the rotating rod (9) penetrates and is in fixed-axis rotating connection with the rotating rod;
the inner side of the stirring plate (11) is fixedly connected with the surface of the rotating rod (9);
the inner side of the third gear (36) is fixedly connected with the surface of the rotating rod (9), the upper surface of the storage box (1) is provided with a fifth opening which is used for the connecting shaft (37) to penetrate through and is rotationally connected with the rotating rod in a fixed shaft mode, the surface of the connecting shaft (37) is fixedly connected with a helical blade (38), the surface of the connecting shaft (37) is fixedly connected with a fourth gear (39), and a tooth groove part of the fourth gear (39) is meshed with a tooth groove part of the third gear (36).
5. The intelligent fire extinguisher for automatically spraying dry powder according to claim 3, wherein: the switching mechanism includes:
the lower surface of the electric push rod (12) is fixedly connected with the upper surface of the first mounting shell (2);
the lower surface of the connecting piece (13) is fixedly connected with the telescopic part of the electric push rod (12), and the surface of the connecting piece (13) is provided with a second opening through which the spline sleeve (7) passes and is rotationally connected with the spline sleeve in a fixed shaft mode.
6. The intelligent fire extinguisher for automatically spraying dry powder according to claim 4, wherein: the second transmission mechanism comprises:
the inner side of the outer cylinder (14) is in fixed-axis rotary connection with the surface of the rotating rod (9), and the upper surface of the first mounting shell (2) is provided with a third opening through which the outer cylinder (14) penetrates and is in fixed-axis rotary connection with the third opening;
the inner side of the friction wheel II (15) is fixedly connected with the surface of the outer cylinder (14), the surface of the outer cylinder (14) is fixedly connected with an installation plate (42), three protrusions (16) are arranged on the surface of the installation plate (42), the surfaces of the three protrusions (16) are all in fixed-axis rotating connection with a rotating shaft (17), and the surface of the rotating shaft (17) is fixedly connected with a gear I (18);
the surface of the annular plate (19) is fixedly connected with the inner wall of the first mounting shell (2), a tooth block (20) is fixedly connected to the inner side of the annular plate (19), and a tooth socket part of the tooth block (20) is meshed with a tooth socket part of the first gear (18);
the inner side of the scraper (21) is fixedly connected with the surface of the rotating shaft (17);
the confession has been seted up on the surface of storage box (1) gliding ring channel (22) of pivot (17), sliding connection has three arc piece (23) in the cell wall of ring channel (22), the upper and lower both sides of arc piece (23) all are provided with outer eaves portion (24), two outer eaves portion (24) with the combination form of arc piece (23) enables arc piece (23) are stable slide in the cell wall of ring channel (22), the confession has been seted up on the surface of arc piece (23) pivot (17) pass and decide the axle with it and rotate the opening four of being connected.
7. The intelligent fire extinguisher for automatically spraying dry powder according to claim 1, characterized in that: the conveying structure comprises:
the upper end of the first control valve (43) is communicated with the lower end of the storage tank (1), the lower end of the first control valve (43) is communicated with a high-pressure powder spraying pump (25), the lower end of the high-pressure powder spraying pump (25) is fixedly communicated with a discharge pipe (26), the surface of the discharge pipe (26) is in fixed-axis rotary connection with a blanking shell (27), and the high-pressure powder spraying pump (25) is fixedly connected with the surface of the storage tank (1) through a connecting piece;
the surface of the blanking shell (27) is provided with a discharge hole (28).
8. The intelligent fire extinguisher for automatically spraying dry powder according to claim 7, wherein: the spray assembly comprises:
the inner side of the annular container (29) is fixedly connected with the surface of the storage box (1), and an inlet pipe (30) and a discharge pipe (31) are fixedly communicated with the surface of the annular container (29);
the surface of delivery pipe (31) is provided with control valve two (32), the end fixing intercommunication of delivery pipe (31) has annular shell (33), the inboard of annular shell (33) with the outside fixed connection of unloading shell (27), the liquid outlet has been seted up to the lower surface of annular shell (33).
9. The intelligent fire extinguisher for automatically spraying dry powder according to claim 7, wherein: a toothed ring (34) is fixedly connected to the surface of the blanking shell (27), and a second gear (35) is meshed with a toothed groove part of the toothed ring (34);
the surface of the second motor (44) is fixedly connected with a supporting column, the upper surface of the supporting column is fixedly connected with the surface of the storage box (1), and the rotating part of the second motor (44) is fixedly connected with the upper surface of the second gear (35).
10. The intelligent fire extinguisher for automatically spraying dry powder according to claim 4, wherein: the reciprocating mechanism comprises:
the inner side of the first connecting plate (45) is fixedly connected with the outer side of the rotating rod (9), a sliding rod (50) is arranged on the upper surface of the first connecting plate (45), the end part of the sliding rod (50) is fixedly connected with a second connecting plate (46) in a fixed-shaft rotating mode, the end part of the second connecting plate (46) is hinged with a moving block (47), a sleeve block (48) is sleeved on the outer surface of the moving block (47) in a sliding mode, the outer side of the sleeve block (48) is fixedly connected with the inner wall of the storage box (1), the side face of the moving block (47) is connected with a moving rod in a sliding mode, the opposite side of the moving rod and the inner wall of the moving block (47) is fixedly connected with an elastic element, and the end part of the moving rod is fixedly connected with a knocking block (49);
the upper surface department of connecting plate (45) has seted up mounting groove (51), the cell wall department fixedly connected with motor three (52) of mounting groove (51), the rotation portion fixedly connected with threaded rod (53) of motor three (52), the side of slide bar (50) is seted up the confession threaded rod (53) pass and with threaded rod (53) threaded connection's screw thread mouth, the side of slide bar (50) with the cell wall department sliding connection of mounting groove (51).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115893413A (en) * | 2023-02-13 | 2023-04-04 | 北京中欧普瑞科技有限公司 | Activated carbon preparation equipment |
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| CN113693052A (en) * | 2021-10-28 | 2021-11-26 | 四川省烟草公司宜宾市公司 | Automatic large-range pesticide application spraying device and application |
| CN217367981U (en) * | 2022-04-26 | 2022-09-06 | 湖南瑞藻生物科技有限公司 | Storage device is used in algae fertilizer preparation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115893413A (en) * | 2023-02-13 | 2023-04-04 | 北京中欧普瑞科技有限公司 | Activated carbon preparation equipment |
| CN115893413B (en) * | 2023-02-13 | 2024-02-02 | 北京中欧普瑞科技有限公司 | Activated carbon preparation equipment |
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| Publication number | Publication date |
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| CN115634409B (en) | 2023-04-07 |
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