CN113237310A - Smoke and fire dryer and control method thereof - Google Patents
Smoke and fire dryer and control method thereof Download PDFInfo
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- CN113237310A CN113237310A CN202110592289.0A CN202110592289A CN113237310A CN 113237310 A CN113237310 A CN 113237310A CN 202110592289 A CN202110592289 A CN 202110592289A CN 113237310 A CN113237310 A CN 113237310A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
- F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
- F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/0856—Cleaning of water-treatment installations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/08—Parts thereof
- F26B25/12—Walls or sides; Doors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The present invention provides a pyrotechnic dryer and a control method thereof, wherein the pyrotechnic dryer includes: the feeding chamber comprises a feeding machine shell, a first conveying mechanism arranged in the feeding machine shell and a first motor used for driving the first conveying mechanism; the drying chamber is connected with the feeding chamber and comprises a drying machine shell, a second conveying mechanism arranged in the drying machine shell, a second motor used for driving the second conveying mechanism and a drying fan; the cooling chamber is connected with the drying chamber and comprises a cooling shell, a third conveying mechanism, a third motor for driving the third conveying mechanism and a cooling fan; the two ends of the drying chamber are provided with the partition sealing devices; the partition sealing device comprises a linear telescopic mechanism and a partition door connected with the output end of the linear telescopic mechanism. The invention provides a pyrotechnic dryer and a control method thereof, and aims to solve the technical problems that pyrotechnic composition drying equipment in the prior art is large in occupied area and low in working efficiency.
Description
Technical Field
The invention relates to the field of drying equipment, in particular to a firework dryer and a control method thereof.
Background
Fireworks are traditional festive products in China, and have a very long production history and are popular with people. As the origin of fireworks and crackers, China is also the largest producing country and export country of fireworks and crackers in the world. From 2008, the scale of firework production in China is continuously increased to a higher level, and the firework production is rapidly developed in terms of quantity and quality of products. Due to the aesthetic and practical values of fireworks and crackers and the continuous improvement of living standard of people, more and more people and enterprises buy the fireworks and crackers to add holiday atmosphere, areas of our country which partially depend on the fireworks and crackers industry are abundant, and the fireworks and crackers become the pillar industry of the areas.
The drying of pyrotechnic composition is an important technology in the pyrotechnic composition preparation process, and most enterprises dry pyrotechnic composition through a drying room at present or form a drying system through sequential operation of a plurality of devices to dry pyrotechnic composition. The disadvantages of this method are large floor space and low working efficiency.
In view of the above, there is a need for a pyrotechnic dryer and a control method thereof that solves or at least alleviates the above problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the pyrotechnic dryer and the control method thereof, aiming at solving the technical problems of large floor area and low working efficiency of pyrotechnic composition drying equipment in the prior art.
In order to achieve the above object, the present invention provides a pyrotechnic dryer comprising:
the feeding chamber comprises a feeding machine shell, a first conveying mechanism arranged in the feeding machine shell and a first motor used for driving the first conveying mechanism;
the drying chamber is connected with the feeding chamber and comprises a drying machine shell, a second conveying mechanism arranged in the drying machine shell, a second motor used for driving the second conveying mechanism and a drying fan;
the cooling chamber is connected with the drying chamber and comprises a cooling shell, a third conveying mechanism arranged in the cooling shell, a third motor used for driving the third conveying mechanism and a cooling fan;
the two ends of the drying chamber are provided with the partition sealing devices; the partition sealing device comprises a linear telescopic mechanism and a partition door connected with the output end of the linear telescopic mechanism, and the partition door can seal the drying chamber under the driving of the linear telescopic mechanism;
and the control unit of the first motor, the second motor, the third motor, the drying fan, the cooling fan and the linear telescopic mechanism is respectively electrically connected with the control device.
Furthermore, the present invention also provides a control method of a pyrotechnic dryer, applied to a pyrotechnic dryer as described above, comprising the steps of:
after the dried firework is loaded on the first conveying mechanism, driving the first motor to drive the first conveying mechanism to move, and simultaneously driving the second motor to drive the second conveying mechanism to move, so that the firework to be dried is transferred to the second conveying mechanism;
stopping the first motor and the second motor, starting the drying fan to perform drying operation, and simultaneously driving the linear telescopic mechanism to extend the partition door out to close the drying chamber;
after drying operation is carried out for 0.5-2h, the linear expansion mechanism is driven to withdraw the partition door, the first motor is driven to drive the first conveying mechanism to move, the second motor is driven to drive the second conveying mechanism to move, and meanwhile, the third motor is driven to drive the third conveying mechanism to move, so that dried smoke and fire on the second conveying mechanism are transferred to the third conveying mechanism; transferring the new firework to be dried on the first conveying mechanism to the second conveying mechanism;
stopping the first motor, the second motor and the third motor, starting the drying fan for drying, driving the linear telescopic mechanism to extend the partition door out to seal the drying chamber, and starting the cooling fan for cooling;
after the drying operation and the cooling operation are carried out for 0.5-2 hours at the same time, the linear expansion mechanism is driven to retract the partition door, the first motor is driven to drive the first conveying mechanism to move, the second motor is driven to drive the second conveying mechanism to move, and the third motor is driven to drive the third conveying mechanism to move at the same time, so that the cooled smoke and fire on the third conveying mechanism are blanked, and the dried smoke and fire on the second conveying mechanism are transferred to the third conveying mechanism; and transferring the new firework to be dried on the first conveying mechanism to the second conveying mechanism, and circulating the firework.
Preferably, the first motor, the second motor and the third motor have the same rotation speed.
Preferably, sensing devices are disposed at two ends of the drying chamber, and the control method further includes:
and receiving a signal of the sensing device, and stopping the drying fan when detecting that the two ends of the drying chamber are not sealed.
Preferably, the partition sealing device comprises a partition rack, the linear telescopic mechanism is arranged at the top or the bottom of the partition rack, the partition door is slidably mounted on the partition rack along the height direction of the drying chamber, and the partition door is parallel to the width direction of the second conveying mechanism.
Preferably, an opening is formed in a side wall of the partition rack along the length direction of the second conveying mechanism, and the conveyor belt penetrates through the opening.
Preferably, the third conveying mechanism is a belt conveying mechanism, and an upper conveying area and a lower returning area are formed on the third conveying mechanism; the cooling chamber further comprises a cleaning device, the cleaning device comprises at least one water inlet pipe and a plurality of water outlet pipes communicated with the water inlet pipes, the water inlet pipes are arranged along the transmission direction of the third conveying mechanism, and the water outlet pipes extend out of the upper part and/or the lower part of the lower return area; a plurality of water outlets are formed in one side, facing the lower return area, of the water outlet pipe; the control method further comprises the following steps:
and when the firework dryer stops working, the cleaning device is started to clean the cooling chamber.
Preferably, the number of the water inlet pipes is 2, the water inlet pipes comprise a first water inlet pipe and a second water inlet pipe, the first water inlet pipe is arranged between the upper transportation area and the lower return area, and the water outlet pipe communicated with the first water inlet pipe is positioned above the lower return area; the second water inlet pipe is arranged below the lower return area, and the water outlet pipe communicated with the second water inlet pipe is positioned below the lower return area.
In the scheme of this application, fireworks drying-machine is connected gradually by feed chamber, drying chamber and cooling chamber and forms for feeding process, stoving process, cooling process and ejection of compact process link up each other, integrative going on. The first conveying mechanism in the feeding machine shell is used for feeding pyrotechnic composition and conveying the pyrotechnic composition to the second conveying mechanism in the drying machine shell, the drying fan is used for drying the pyrotechnic composition on the second conveying mechanism, and the first motor drives the first conveying mechanism to work. After the pyrotechnic composition is dried, the second conveying mechanism transmits the pyrotechnic composition to a third conveying mechanism in the cooling machine shell, the cooling fan cools the pyrotechnic composition on the third conveying mechanism, the third conveying mechanism discharges the pyrotechnic composition after cooling, the second motor drives the second conveying mechanism to work, and the third motor drives the third conveying mechanism to work. Wherein, in order to guarantee the safety of stoving operation, the both ends of drying chamber all are provided with cuts off sealing device, cuts off sealing device and includes sharp telescopic machanism and the wall door of being connected with sharp telescopic machanism's output, cuts off the door and can seal the drying chamber under sharp telescopic machanism's drive. When the drying operation is carried out, the partition sealing device enables the drying chamber to be in a fully closed state, the operation safety is guaranteed, and potential safety hazards are eliminated. The control device is used for controlling the mechanisms to complete work cooperatively. The application of firework drying-machine compact structure, area is little and each process links up each other, and work efficiency is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of an integrated pyrotechnic dryer in accordance with an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a partition sealing device according to an embodiment of the invention;
FIG. 3 is a schematic structural diagram of a first conveying mechanism according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a third conveying mechanism according to an embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
The reference numbers illustrate:
100-a feeding chamber, 110-a first conveying mechanism, 111-a conveying roller, 112-a conveying belt, 113-a unit cell, 114-a baffle part;
200-a drying chamber, 210-a second conveying mechanism;
300-a cooling chamber, 310-a third conveying mechanism, 320-a cooling fan, 330-a cleaning device, 331-a water inlet pipe, 332-a water outlet pipe, 333-an upper transportation area and 334-a lower recovery area;
400-partition sealing device, 410-linear telescopic mechanism and 420-partition door.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
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.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
With reference to fig. 1, in order to achieve the above object, the present invention provides a pyrotechnic dryer comprising:
a feeding chamber 100, the feeding chamber 100 including a feeding housing and a first conveying mechanism 110 disposed in the feeding housing, and a first motor (not shown) for driving the first conveying mechanism 110;
a drying chamber 200 connected to the feeding chamber 100, wherein the drying chamber 200 includes a drying cabinet, a second conveying mechanism 210 disposed in the drying cabinet, a second motor (not shown) for driving the second conveying mechanism 210, and a drying fan; the operator feeds the firework to be dried to the first conveying mechanism 110, the firework is conveyed to the second conveying mechanism 210 by the first conveying mechanism 110, and the drying fan dries the firework powder on the second conveying mechanism 210;
a cooling chamber 300 connected to the drying chamber 200, wherein the cooling chamber 300 includes a cooling cabinet, a third conveying mechanism 310 disposed in the cooling cabinet, a third motor (not shown) for driving the third conveying mechanism 310, and a cooling fan 320; the temperature of the pyrotechnic composition after drying is high, the pyrotechnic composition needs to be cooled to avoid potential safety hazards, the dried pyrotechnic composition is transmitted to the third conveying mechanism 310 through the second conveying mechanism 210, the pyrotechnic composition on the third conveying mechanism 310 is cooled through the cooling fan 320, and the pyrotechnic composition is discharged through the third conveying mechanism 310 after being cooled.
The partition sealing device 400 is arranged at each of two ends of the drying chamber 200; the partition sealing device 400 includes a linear expansion mechanism 410 and a partition door 420 connected to an output end of the linear expansion mechanism 410, and the partition door 420 can close the drying chamber 200 under the driving of the linear expansion mechanism 410. When the drying operation is performed, the partition sealing device 400 makes the drying chamber 200 in a fully closed state, thereby ensuring the operation safety and eliminating potential safety hazards.
And the control units of the first motor, the second motor, the third motor, the drying fan, the cooling fan 320 and the linear telescopic mechanism 310 are respectively electrically connected with the control device (not shown).
In the scheme of this application, fireworks drying-machine is formed by connecting gradually feed chamber 100, drying chamber 200 and cooling chamber 300 for feeding process, stoving process, cooling process and ejection of compact process link up each other, integrative going on. The first conveying mechanism 110 in the feeding casing is used for feeding pyrotechnic composition, and conveying the pyrotechnic composition to the second conveying mechanism 210 in the drying casing, and the drying fan is used for drying the pyrotechnic composition on the second conveying mechanism 210. After the pyrotechnic composition is dried, the second conveying mechanism 210 conveys the pyrotechnic composition to a third conveying mechanism 310 in the cooling machine shell, the cooling fan 320 cools the pyrotechnic composition on the third conveying mechanism 310, and the third conveying mechanism 310 discharges the pyrotechnic composition after cooling. In order to ensure the safety of the drying operation, the two ends of the drying chamber 200 are provided with the partition sealing devices 400, each partition sealing device 400 comprises a linear telescopic mechanism 410 and a partition door 420 connected with the output end of the linear telescopic mechanism 410, and the partition doors 420 can seal the drying chamber 200 under the driving of the linear telescopic mechanisms 410. When the drying operation is performed, the partition sealing device 400 makes the drying chamber 200 in a fully closed state, thereby ensuring the operation safety and eliminating potential safety hazards. The control device is used for controlling the mechanisms to complete work cooperatively. The application of firework drying-machine compact structure, area is little and each process links up each other, and work efficiency is high.
Furthermore, the present invention also provides a control method of a pyrotechnic dryer, applied to a pyrotechnic dryer as described above, comprising the steps of:
s10, after the firework to be dried is loaded on the first conveying mechanism 110, driving the first motor to drive the first conveying mechanism 110 to move, and simultaneously driving the second motor to drive the second conveying mechanism 210 to move, so that the firework to be dried is transferred to the second conveying mechanism 210;
the feeding mode of the first conveying mechanism 110 may be manual feeding or automatic feeding. The pyrotechnic charge to be dried is first fed onto the first conveyor 110 and then transferred onto the second conveyor 210.
S20, stopping the first and second motors, starting the drying fan to perform drying operation, and driving the linear expansion mechanism 410 to extend the partition door 420 to close the drying chamber 200;
the straight line telescopic mechanism 410 extends the partition door 420 out to seal the drying chamber 200, so that the operation safety can be guaranteed, and the explosion-proof operation standard of firework drying is met. When the drying operation is performed, the first conveying mechanism 110 continues to feed, and is in a ready state.
S30, after the drying operation is performed for 0.5 to 2 hours, driving the linear expansion mechanism 410 to retract the partition door 420, driving the first motor to drive the first conveying mechanism 110 to move, driving the second motor to drive the second conveying mechanism 210 to move, and simultaneously driving the third motor to drive the third conveying mechanism 310 to move, so that the dried smoke and fire on the second conveying mechanism 210 is transferred to the third conveying mechanism 310; transferring the new pyrotechnic to be dried on the first conveyor 110 to said second conveyor 210;
s40, stopping the first motor, the second motor and the third motor, starting the drying fan to perform drying operation, driving the linear telescopic mechanism 410 to extend the partition door 420 out to close the drying chamber, and starting the cooling fan 320 to perform cooling operation;
in addition to the first operation of starting up, the cooling operation and the drying operation are simultaneously carried out every time thereafter. The materials are circularly processed on each conveying mechanism.
S50, after the drying operation and the cooling operation are performed simultaneously for 0.5 to 2 hours, driving the linear expansion mechanism 410 to retract the partition door 420, driving the first motor to drive the first conveying mechanism 110 to move, driving the second motor to drive the second conveying mechanism 210 to move, and driving the third motor to drive the third conveying mechanism 310 to move, so that the cooled firework on the third conveying mechanism 310 is discharged, and the dried firework on the second conveying mechanism 210 is transferred to the third conveying mechanism 310; the new firework to be dried on the first conveyor 110 is transferred to the second conveyor 210 and the process is cycled accordingly.
In the scheme, the control device controls the mechanisms to cooperatively complete the work in the process. The feeding process, the drying process, the cooling process and the discharging process are connected with each other and are integrally carried out. When the drying operation is performed, the partition sealing device 400 makes the drying chamber 200 in a fully closed state, thereby ensuring the operation safety and eliminating potential safety hazards. The application of firework drying-machine compact structure, area is little and each process links up each other, and work efficiency is high.
Preferably, the first motor, the second motor and the third motor have the same rotating speed, so as to ensure that the three conveying mechanisms have the same moving distance in unit time. Further, sensing devices are arranged at two ends of the drying chamber, and the control method further comprises the following steps:
and receiving a signal of the sensing device, and stopping the drying fan when detecting that the two ends of the drying chamber are not sealed.
In the embodiment, in order to ensure that the drying chamber is in a closed state during operation and prevent the blocking device from malfunctioning, feedback adjustment is performed through the sensing device, and when it is detected that the two ends of the drying chamber are not closed, the drying fan is stopped.
Referring to fig. 2, as a preferred embodiment of the present invention, the partition sealing device 400 includes a partition frame, the linear expansion mechanism 410 is disposed at the top or bottom of the partition frame, the partition door 420 is slidably mounted on the partition frame along the height direction of the drying chamber 200, and the partition door 420 is parallel to the width direction of the second conveying mechanism 210. The expansion and contraction motion of the linear expansion mechanism 410 causes the partition door 420 to close or open the drying chamber 200. The linear extending and retracting mechanism 410 may be an electric push rod, a hydraulic cylinder or a pneumatic cylinder.
Further, an opening is provided on a side wall of the partition frame along the length direction of the second conveying mechanism 210, and the conveyor belt 112 penetrates through the opening. The opening height of the partition rack is not less than the height of the material to be dried, and specifically, in the present embodiment, the opening height of the partition rack is 6 to 10 times the diameter of the bright beads to be dried. In addition, the width of the opening should not be smaller than the width of the second conveying mechanism 210, and specifically, in the present embodiment, the width of the opening is equal to the width of the partition frame, which is 1.2 to 1.5 times the width of the second conveying mechanism 210.
Referring to fig. 3, preferably, the first conveying mechanism 110 includes a conveying roller 111 and a conveying belt 112 wound on the conveying roller 111, the conveying belt 112 is provided with a plurality of unit cells 113, and the plurality of unit cells 113 are arranged at intervals along a conveying direction of the conveying belt 112. The unit cell 113 can conveniently hold pyrotechnic composition for the efficiency of material loading.
Furthermore, the width of the unit cell 113 is the same as the width of the conveyor belt 112 or 1 to 10cm smaller than the width of the conveyor belt 112, and the surrounding parts 114 are arranged around the unit cell 113. Wherein, in a preferred embodiment, the unit cells 113 may be square cells, and the unit cells 113 are arranged along the conveying direction of the conveyor belt 112. The unit cells 113 are arranged as squares for easy manufacturing, and the area utilization rate of the conveyor belt 112 can be improved. It is understood that the shape of the cell 113 is not limited to the grid form given in the present embodiment, and other shapes of the cell 113 capable of functioning as a partition also belong to the protection scope of the present invention. The enclosure portion 114 can enclose materials, such as gunpowder, placed in the middle of the cell 113. In this embodiment, the surrounding portions 114 disposed around the cells 113 form a groove in the middle of the cell 113, and the groove can accommodate bright beads for drying. In addition, a spacing distance is preset between the adjacent unit cells 113 in the conveying direction, and the separation device of the dryer can conveniently perform separation treatment at the spacing distance.
Referring to fig. 4, as an alternative embodiment of the present invention, the third conveying mechanism 310 is a belt conveying mechanism, and the third conveying mechanism 310 is formed with an upper conveying area 333 and a lower returning area 334; the cooling chamber 300 further comprises a cleaning device 330, the cleaning device 330 comprises at least one water inlet pipe 331 and a plurality of water outlet pipes 332 communicated with the water inlet pipe 331, the water inlet pipe 331 is arranged along the transmission direction of the third conveying mechanism 310, and the water outlet pipes 332 extend to the upper part and/or the lower part of the lower return area 334; wherein, one side of the water outlet pipe 332 facing the lower return area 334 is provided with a plurality of water outlets. In addition, it is understood that the upper transporting area 333 and the lower returning area 334 of the third transporting mechanism 310 are not limited to a specific segment of the third transporting mechanism 310, and during the operation of the third transporting mechanism 310, the upper area for carrying the pyrotechnic composition to be dried belongs to the upper transporting area 333 in the present embodiment, and the lower area for returning to continue carrying the pyrotechnic composition to be dried belongs to the lower returning area 334 in the present embodiment.
In this embodiment, the cleaning device 330 includes at least one water inlet pipe 331 and a plurality of water outlet pipes 332 communicated with the water inlet pipe 331, and a plurality of water outlets are opened on one side of the water outlet pipes 332 facing the lower return area 334 of the third conveying mechanism 310. The control method further comprises the following steps:
when the operation of the pyrotechnic dryer is stopped, the cleaning device 330 is turned on to clean the cooling chamber 300.
In this embodiment, the water outlet pipe 332 disposed above and/or below the lower return area 334 is provided with a plurality of water outlets on a side of the lower return area 334 facing the third conveying mechanism 310, so as to clean the lower return area 334 of the third conveying mechanism 310, and also clean the third conveying mechanism 310 during the powder bright bead drying process. According to the invention, through the arrangement of the cleaning device 330, the technical problem of insufficient cleaning capability of the conveying device in the powder bright bead drying process can be solved.
Preferably, the number of the water inlet pipes can be 2, and the water inlet pipes comprise a first water inlet pipe and a second water inlet pipe, the first water inlet pipe is arranged between the upper transportation area 333 and the lower return area 334, and a water outlet pipe communicated with the first water inlet pipe is positioned above the lower return area 334 so as to clean the upper transportation area 333 and the side edge of the third conveying device 310; the second inlet tube is disposed below the lower return region 334, and the outlet tube communicated with the second inlet tube is disposed below the lower return region so as to clean the lower return region 334.
Preferably, the cooling chamber 300 may further be provided with a water receiving tray disposed below the third transfer mechanism 310. The water receiving tray receives the cleaned sewage and guides the sewage to the outside. Furthermore, all be provided with the nozzle on the delivery port, the nozzle is provided with the apopore of a plurality of not equidirectionals to increase abluent position.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A pyrotechnic dryer, characterized in that it comprises:
the feeding chamber comprises a feeding machine shell, a first conveying mechanism arranged in the feeding machine shell and a first motor used for driving the first conveying mechanism;
the drying chamber is connected with the feeding chamber and comprises a drying machine shell, a second conveying mechanism arranged in the drying machine shell, a second motor used for driving the second conveying mechanism and a drying fan;
the cooling chamber is connected with the drying chamber and comprises a cooling shell, a third conveying mechanism arranged in the cooling shell, a third motor used for driving the third conveying mechanism and a cooling fan;
the two ends of the drying chamber are provided with the partition sealing devices; the partition sealing device comprises a linear telescopic mechanism and a partition door connected with the output end of the linear telescopic mechanism, and the partition door can seal the drying chamber under the driving of the linear telescopic mechanism;
and the control unit of the first motor, the second motor, the third motor, the drying fan, the cooling fan and the linear telescopic mechanism is respectively electrically connected with the control device.
2. A control method of a pyrotechnic dryer, applied to a pyrotechnic dryer as claimed in claim 1, characterised in that it comprises the following steps:
after the dried firework is loaded on the first conveying mechanism, driving the first motor to drive the first conveying mechanism to move, and simultaneously driving the second motor to drive the second conveying mechanism to move, so that the firework to be dried is transferred to the second conveying mechanism;
stopping the first motor and the second motor, starting the drying fan to perform drying operation, and simultaneously driving the linear telescopic mechanism to extend the partition door out to close the drying chamber;
after drying operation is carried out for 0.5-2h, the linear expansion mechanism is driven to withdraw the partition door, the first motor is driven to drive the first conveying mechanism to move, the second motor is driven to drive the second conveying mechanism to move, and meanwhile, the third motor is driven to drive the third conveying mechanism to move, so that dried smoke and fire on the second conveying mechanism are transferred to the third conveying mechanism; transferring the new firework to be dried on the first conveying mechanism to the second conveying mechanism;
stopping the first motor, the second motor and the third motor, starting the drying fan for drying, driving the linear telescopic mechanism to extend the partition door out to seal the drying chamber, and starting the cooling fan for cooling;
after the drying operation and the cooling operation are carried out for 0.5-2 hours at the same time, the linear expansion mechanism is driven to retract the partition door, the first motor is driven to drive the first conveying mechanism to move, the second motor is driven to drive the second conveying mechanism to move, and the third motor is driven to drive the third conveying mechanism to move at the same time, so that the cooled smoke and fire on the third conveying mechanism are blanked, and the dried smoke and fire on the second conveying mechanism are transferred to the third conveying mechanism; and transferring the new firework to be dried on the first conveying mechanism to the second conveying mechanism, and circulating the firework.
3. The control method according to claim 2, wherein the rotation speeds of the first motor, the second motor, and the third motor are the same.
4. The control method according to claim 2, wherein sensing devices are provided at both ends of the drying chamber, the control method further comprising:
and receiving a signal of the sensing device, and stopping the drying fan when detecting that the two ends of the drying chamber are not sealed.
5. The control method according to claim 2, wherein the partition sealing device comprises a partition frame, the linear expansion mechanism is disposed at the top or the bottom of the partition frame, the partition door is slidably mounted on the partition frame in a height direction of the drying chamber, and the partition door is parallel to a width direction of the second conveying mechanism.
6. The control method according to claim 5, wherein an opening is provided in a side wall of the partition frame in a longitudinal direction of the second conveying mechanism, and the conveyor belt penetrates through the opening.
7. The control method according to claim 2, wherein the third conveyance mechanism is a belt conveyance mechanism having an upper conveyance area and a lower return area formed thereon; the cooling chamber further comprises a cleaning device, the cleaning device comprises at least one water inlet pipe and a plurality of water outlet pipes communicated with the water inlet pipes, the water inlet pipes are arranged along the transmission direction of the third conveying mechanism, and the water outlet pipes extend out of the upper part and/or the lower part of the lower return area; a plurality of water outlets are formed in one side, facing the lower return area, of the water outlet pipe; the control method further comprises the following steps:
and when the firework dryer stops working, the cleaning device is started to clean the cooling chamber.
8. The control method according to claim 7, wherein the number of the water inlet pipes is 2, and the control method comprises a first water inlet pipe and a second water inlet pipe, wherein the first water inlet pipe is arranged between the upper transportation area and the lower return area, and the water outlet pipe communicated with the first water inlet pipe is positioned above the lower return area; the second water inlet pipe is arranged below the lower return area, and the water outlet pipe communicated with the second water inlet pipe is positioned below the lower return area.
Priority Applications (1)
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| CN207435815U (en) * | 2017-11-24 | 2018-06-01 | 黄继来 | Firecracker cake and fireworks paper tube dryer |
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| CN205784290U (en) * | 2016-05-30 | 2016-12-07 | 浏阳市鸿安机械制造有限公司 | Fireworks dehydrator |
| CN205807994U (en) * | 2016-07-05 | 2016-12-14 | 长兴捷瑞汽车零部件有限公司 | A kind of vacuum continuous drying plant |
| CN207435815U (en) * | 2017-11-24 | 2018-06-01 | 黄继来 | Firecracker cake and fireworks paper tube dryer |
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| CN113237310B (en) | 2023-05-19 |
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