CN109269276B - Drying device for ceramic wet blank discharged by medium based on balance moisture - Google Patents
Drying device for ceramic wet blank discharged by medium based on balance moisture Download PDFInfo
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- CN109269276B CN109269276B CN201811068159.1A CN201811068159A CN109269276B CN 109269276 B CN109269276 B CN 109269276B CN 201811068159 A CN201811068159 A CN 201811068159A CN 109269276 B CN109269276 B CN 109269276B
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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
- F26B15/14—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 the objects or batches of materials being carried by trays or racks or receptacles, which may be connected to endless chains or belts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/003—Supply-air or gas filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
- F26B21/04—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/08—Humidity
- F26B21/086—Humidity by condensing the moisture in the drying medium, which may be recycled, e.g. using a heat pump cycle
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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
- F26B25/003—Handling, e.g. loading or unloading arrangements for articles
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2210/00—Drying processes and machines for solid objects characterised by the specific requirements of the drying good
- F26B2210/02—Ceramic articles or ceramic semi-finished articles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to the technical field of ceramic manufacturing, and discloses a drying device for discharging a ceramic wet blank by adopting a medium based on balance moisture. According to the invention, water in the ceramic wet blank is vaporized by obtaining heat, the water is diffused from the inside of the ceramic wet blank to the surface, the evaporated water is diffused from the surface of the ceramic wet blank to the outside, when wet air moves downwards and passes through the condensing plate, the evaporated water is condensed into small water drops, moves downwards from the condensing tank and enters the moisture exhaust pipe through the guide hole on the circular plate, so that the moisture is exhausted, the ceramic wet blank is effectively prevented from deforming, swelling and cracking, the glaze absorption capacity of the ceramic wet blank is further improved, the ceramic firing period is shortened, and the energy consumption is reduced.
Description
Technical Field
The invention relates to the technical field of ceramic manufacturing, in particular to a drying device for discharging a ceramic wet blank by adopting a medium based on balanced moisture.
Background
The drying of the wet ceramic blank generally comprises two modes of natural drying and artificial drying, wherein the natural drying is to place the wet ceramic blank into a tray and place the wet ceramic blank in a room with better ventilation condition for natural air drying, the mode has lower efficiency, and the wet ceramic blank can meet the heating and curing condition generally within 4 to 5 days; the manual drying mostly adopts the convection drying method, the equipment is simple, the heat source is easy to obtain, however, the temperature and the flow rate are not convenient to control and adjust, the ceramic wet blank is easy to bulge and crack, and the discharge of condensed water and moisture is not facilitated, so that the energy waste is caused.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a drying device for discharging a ceramic wet blank by adopting a medium based on balance moisture, which has the advantages of easy control and adjustment of temperature and flow rate and discharge of balance moisture and condensed water, and solves the problems that the temperature and the flow rate are not convenient to control and adjust, the ceramic wet blank is easy to bulge and crack, the condensed water and the moisture are not discharged easily, and the energy is wasted.
(II) technical scheme
In order to achieve the technical problem, the invention provides a drying device for ceramic wet blanks discharged by adopting media based on moisture balance, which comprises a drying chamber, wherein a wet blank conveying mechanism is arranged in the drying chamber, a hot air drying mechanism is arranged at the top of the drying chamber, mounting rods are fixedly arranged at the top between the inner walls of the drying chamber, infrared radiators are fixedly arranged at the bottoms of the mounting rods at equal intervals, a moisture condensing mechanism is fixedly arranged at the bottom between the inner walls of the drying chamber, the bottom of the moisture condensing mechanism is fixedly communicated with a moisture discharging pipe, supporting legs are welded at four corners of the bottom of the drying chamber, a blank inlet table is arranged at the left side of the drying chamber, and a blank outlet table is arranged at the right side of the drying chamber.
Further, wet base transport mechanism is including first mounting bracket and second mounting bracket, top between the first mounting bracket inner wall is connected with first axis of rotation through the bearing interference, the fixed cover of surface of first axis of rotation has connect first rotor and follows the driving wheel, follow one side of driving wheel fixed mounting at first rotor, the interior diapire fixed mounting of first mounting bracket has driving motor, driving motor's output shaft fixed mounting has the action wheel, the action wheel passes through the belt and is connected with from the driving wheel transmission, top between the second mounting bracket inner wall is connected with the second axis of rotation through the bearing interference, the fixed surface of second axis of rotation has cup jointed the second rotor, the surface transmission of second rotor is connected with the conveyer belt, the conveyer belt passes inside and is connected with the transmission of first rotor of drying chamber.
Furthermore, through holes are formed in the conveying belt in an equidistant array mode. And the inner diameter of the through hole is zero point five centimeters.
Furthermore, twelve trays are fixedly mounted on the conveyor belt at equal intervals, and the bottoms of the trays are made of flexible rubber.
Further, the hot air drying mechanism comprises a circulating pipe, the circulating pipe is fixedly communicated with the left side of the top of the drying chamber, a first connecting pipe is fixedly communicated with the top of the right side of the circulating pipe, an air inlet pipe is fixedly communicated with the middle of the top of the first connecting pipe, a one-way valve is arranged inside the air inlet pipe, an air filter is fixedly arranged at the top of the air inlet pipe, a heater is fixedly communicated with the right side of the first connecting pipe, the bottom of the heating chamber is fixedly arranged at the top of the drying chamber, a second connecting pipe is fixedly communicated with the right side of the heater, an air conditioner is fixedly communicated with the right side of the second connecting pipe, the bottom of the air conditioner is fixedly arranged at the top of the drying chamber, a third connecting pipe is fixedly communicated with the right side of the air conditioner, an air feeder is fixedly communicated with the right side of the third connecting pipe, the bottom of fourth connecting pipe runs through and extends to the inside of drying chamber, the fixed intercommunication in bottom of fourth connecting pipe has the wind channel, the fixed intercommunication in bottom equidistance in wind channel has three exhaust pipe, the fixed intercommunication in bottom equidistance array of exhaust pipe has the exhaust head.
Further, the outer surface of the air duct is fixedly sleeved with two fixed lantern rings, the top of each fixed lantern ring is fixedly provided with a fixed rod, and the top of each fixed rod is fixedly arranged on the inner top wall of the drying chamber.
Further, moisture condensation mechanism is including the condensation plate, the shape of condensation plate is circular-arcly, condensation plate fixed mounting is in the bottom between the drying chamber inner wall, and the condensation plate is located the below of conveyer belt, the middle part of condensation plate is inlayed and is had the circular slab, the condensation tank has been seted up to the top equidistance array of condensation plate, the guiding hole that runs through has been seted up to the top equidistance array of circular slab, and the fixed intercommunication of hydrofuge pipe is under the circular slab.
Further, the tops of the blank inlet table, the blank outlet table and the conveyor belt are located on the same horizontal line.
Further, the conveying hole that runs through is all seted up to the both sides of drying chamber, the size and the conveyer belt looks adaptation of conveying hole, and the inner wall of conveying hole is provided with the sealing strip, and the sealing strip is made by flexible rubber.
(III) advantageous effects
The invention provides a drying device for discharging a ceramic wet blank by adopting a medium based on balanced moisture, which has the following beneficial effects:
1. this drying device based on balanced moisture adopts wet base of medium discharge pottery, setting through moisture condensation mechanism, water in the wet base of pottery obtains the heat and vaporizes, moisture is gone to surface diffusion and evaporation moisture by the wet base surface diffusion of pottery from the wet base of pottery inside, humid air is when removing the condensing plate downwards, the evaporation water meets condensation and becomes the water droplet, move down in the follow condensate tank, enter into to the hydrofuge pipe in the guiding hole on the circular slab for the discharge of moisture.
2. This drying device based on balanced moisture adopts wet base of medium discharge pottery, cooperation through infrared radiator and hot air drying mechanism is used, the wet base of pottery moves in the inside of drying chamber through wet base transport mechanism, when the wet base of pottery has effectually improved the moisture temperature through infrared radiator, internal diffusion accelerates, then the hot-blast jetting of hot air drying mechanism, external diffusion accelerates, shift to next infrared radiation again when the wet base humidity gradient of pottery is bigger than normal, when the moisture of the wet base of pottery reaches balanced moisture, drying rate reduces to zero, at this moment the drying process terminates, discharge the wet base of pottery from the drying chamber, the effectual wet base of pottery that prevents warp the bloated fracture, and further improve the wet base of pottery and inhale the ability of glaze, shorten the ceramic firing cycle, reduce the energy consumption.
3. This drying device based on balanced moisture adopts wet base of medium discharge pottery uses through the cooperation of heater and forced draught blower, is convenient for to the control and the regulation of the inside temperature of drying chamber and velocity of flow, and is even to the wet base surface heating of pottery, and the effectual wet base of pottery that prevents warp the bloated fracture, has improved the quality and the qualification rate of the wet base of pottery.
4. This drying device based on adopt medium discharge wet base of pottery of balanced moisture, through infrared radiator's setting, the infrared ray has certain penetrability for the surface and the inside of wet base of pottery absorb radiant energy simultaneously, the bond length and the key angle vibration of water molecule under infrared ray's effect, dipole moment change repeatedly, absorbed energy and the square of dipole moment change are directly proportional, thermal diffusion, wet diffusion direction are unanimous, the heating is even, improves dry speed.
5. This drying device based on balanced moisture adopts wet base of medium discharge pottery, through wet base transport mechanism's setting, driving motor work operation drives the action wheel rotatory, and the action wheel passes through the belt and drives first live-rollers rotation, and first live-rollers passes through the conveyer belt and is connected with the transmission of second live-rollers, drives the inside removal of the wet base of pottery on the tray at the drying chamber, has improved the dry efficiency of wet base of pottery.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of a first mount structure of the present invention;
fig. 3 is a top view of the moisture condensing mechanism of the present invention.
In the figure: 1 drying chamber, 2 wet blank conveying mechanism, 21 first mounting frame, 22 first rotating shaft, 23 first rotating roller, 24 driven wheel, 25 driving motor, 26 driving wheel, 27 belt, 28 second mounting frame, 29 second rotating shaft, 210 second rotating roller, 211 conveying belt, 212 tray, 3 hot air drying mechanism, 31 circulating pipe, 32 first connecting pipe, 33 air inlet pipe, 34 one-way valve, 35 air filter, 36 heater, 37 second connecting pipe, 38 air regulator, 39 third connecting pipe, 310 blower, 311 fourth connecting pipe, 312 air duct, 313 exhaust pipe, 314 exhaust head, 315 fixing collar, 316 fixing rod, 4 mounting rod, 5 infrared radiator, 6 moisture condensing mechanism, 61 condensing plate, 62 circular plate, 63 condensing groove, 64 guiding hole, 7 wet pipe, 8, 9 blank inlet table, 10 blank outlet table.
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. 1-3, a drying device for ceramic wet blanks discharged by media based on moisture balance comprises a drying chamber 1, wherein both sides of the drying chamber 1 are respectively provided with a through transmission hole, the size of the transmission hole is matched with that of a conveyor belt 211, the inner wall of the transmission hole is provided with a sealing strip, the sealing strip is made of flexible rubber, the sealing strip is convenient for people to place the ceramic wet blanks on a tray 212, the normal use of the conveyor belt 211 is ensured, the sealing performance inside the drying chamber 1 is ensured, the excessive loss of hot air is prevented, the utilization rate of energy is improved, a wet blank transmission mechanism 2 is arranged inside the drying chamber 1, the wet blank transmission mechanism 2 comprises a first mounting frame 21 and a second mounting frame 28, the top between the inner walls of the first mounting frame 21 is connected with a first rotating shaft 22 through a bearing in an interference manner, the outer surface of the first rotating shaft 22 is fixedly sleeved with a first rotating roller 23 and a driven wheel 24, follow one side of driving wheel 24 fixed mounting at first live-rollers 23, the interior diapire fixed mounting of first mounting bracket 21 has driving motor 25, driving motor 25's output shaft fixed mounting has action wheel 26, action wheel 26 passes through belt 27 and is connected with from the transmission of driving wheel 24, top between the 28 inner walls of second mounting bracket is connected with second axis of rotation 29 through the bearing interference, the external surface fixing of second axis of rotation 29 has cup jointed second live-rollers 210, the external surface transmission of second live-rollers 210 is connected with conveyer belt 211, the through-hole that runs through is seted up to the equidistant array on conveyer belt 211. And the internal diameter of through-hole is five centimetres at zero point, equidistance fixed mounting has twelve trays 212 on the conveyer belt 211, and the bottom of tray 212 is made by flexible rubber, the conveyer belt 211 passes inside drying chamber 1 and is connected with first live-rollers 23 transmission, through the setting of wet base transport mechanism 2, driving motor 25 work operation drives action wheel 26 rotatory, action wheel 26 drives first live-rollers 23 through belt 27 and rotates, first live-rollers 23 passes through conveyer belt 211 and is connected with second live-rollers 210 transmission, the wet base of pottery on the drive tray 212 removes in drying chamber 1's inside, the efficiency of dry wet base of pottery has been improved.
The top of the drying chamber 1 is provided with a hot air drying mechanism 3, the hot air drying mechanism 3 comprises a circulating pipe 31, the circulating pipe 31 is fixedly communicated with the left side of the top of the drying chamber 1, the top of the right side of the circulating pipe 31 is fixedly communicated with a first connecting pipe 32, the middle part of the top of the first connecting pipe 32 is fixedly communicated with an air inlet pipe 33, the air inlet pipe 33 is convenient for the entering of external fresh air, a one-way valve 34 is arranged inside the air inlet pipe 33, the one-way valve 34 can prevent the discharging of hot air, the top of the air inlet pipe 33 is fixedly provided with an air filter 35, the air filter 35 can filter the external fresh air and prevent the entering of dust, the right side of the first connecting pipe 32 is fixedly communicated with a heater 36, the heater 36 is an electric appliance which utilizes electric energy to achieve a heating effect, the bottom of the heating chamber 36, the right side of the second connecting pipe 37 is fixedly communicated with an air conditioner 38, the air conditioner 38 can ensure that the heat transfer is rapid, uniform and reasonable in distribution as far as possible, the constant temperature heating is realized, the bottom of the air conditioner 38 is fixedly installed at the top of the drying chamber 1, the right side of the air conditioner 38 is fixedly communicated with a third connecting pipe 39, the right side of the third connecting pipe 39 is fixedly communicated with a blower 310, the control and regulation of the temperature and the flow velocity in the drying chamber 1 are facilitated through the matching use of a heater 36 and the blower 310, the surface of the ceramic wet blank is uniformly heated, the deformation, the expansion and the cracking of the ceramic wet blank are effectively prevented, the quality and the qualification rate of the ceramic wet blank are improved, the right side of the blower 310 is fixedly communicated with a fourth connecting pipe 311, the bottom of the fourth connecting pipe 311 penetrates through and extends to the inside of the drying chamber 1, the bottom of the fourth connecting pipe 311, the outer surface of the air duct 312 is fixedly sleeved with two fixed lantern rings 315, the top of the fixed lantern ring 315 is fixedly provided with a fixed rod 316, the top of the fixed rod 316 is fixedly arranged on the inner top wall of the drying chamber 1, the bottom of the air duct 312 is fixedly communicated with three exhaust pipes 313 at equal intervals, the bottom of the exhaust pipes 313 is fixedly communicated with exhaust heads 314 at equal intervals in an array manner, a ceramic wet blank moves in the drying chamber 1 through the wet blank conveying mechanism 2 by matching the infrared radiator 5 and the hot air drying mechanism 3, when the ceramic wet blank passes through the infrared radiator 5, the moisture temperature is effectively improved, the internal diffusion is accelerated, then the hot air injection of the hot air drying mechanism 3 is accelerated to be out-diffused, when the moisture gradient of the ceramic wet blank is larger, the next infrared radiation is switched to, when the moisture of the ceramic wet blank reaches the equilibrium moisture, the drying speed is reduced to zero, the ceramic wet blank is discharged from the drying chamber 1, so that the deformation, swelling and cracking of the ceramic wet blank are effectively prevented, the glaze absorption capacity of the ceramic wet blank is further improved, the ceramic firing period is shortened, and the energy consumption is reduced.
The top between the inner walls of the drying chamber 1 is fixedly provided with a mounting rod 4, the bottom of the mounting rod 4 is fixedly provided with infrared radiators 5 at equal intervals, through the arrangement of the infrared radiators 5, infrared rays have certain penetrating power, so that the surface and the inside of a ceramic wet blank can absorb radiation energy simultaneously, the bond length and the bond angle of water molecules vibrate under the action of the infrared rays, the dipole moment is repeatedly changed, the absorbed energy is in direct proportion to the square of the change of the dipole moment, the heat diffusion and the moisture diffusion are consistent in direction, the heating is uniform, the drying speed is improved, a moisture condensing mechanism 6 is fixedly arranged at the bottom between the inner walls of the drying chamber 1, the moisture condensing mechanism 6 comprises a condensing plate 61, the shape of the condensing plate 61 is arc-shaped, the condensing plate 61 is fixedly arranged at the bottom between the inner walls of the drying chamber 1, the condensing plate 61 is positioned below the conveyor belt 211, the middle part of the, condensing tank 63 has been seted up to the top equidistance array of condensing plate 61, the guiding hole 64 that runs through has been seted up to the top equidistance array of circular plate 62, and the fixed intercommunication of hydrofuge pipe 7 is under circular plate 62, setting through moisture condensing mechanism 6, water in the wet base of pottery obtains the heat and vaporizes, moisture is inside to surface diffusion and evaporation moisture by the wet base surface diffusion of pottery to the external world from the wet base of pottery, humid air is when removing down through condensing plate 61, the evaporation water meets the condensation and becomes the water droplet, remove downwards in the condensing tank 63, get into in the hydrofuge pipe 7 in the guiding hole 64 on the circular plate 62, make the discharge of moisture.
The fixed intercommunication in bottom of moisture condensation mechanism 6 has wet pipe 7, and the supporting leg 8 has all been welded in the four corners of drying chamber 1 bottom, and the left side of drying chamber 1 is provided with into base platform 9, and the right side of drying chamber 1 is provided with ejection platform 10, and the top of going into base platform 9, ejection platform 10 and conveyer belt 211 is located same water flat line.
The working principle is as follows: people convey the ceramic wet blank to the blank inlet platform 9, then the ceramic wet blank is placed in a tray 212 on a conveyor belt 211, a driving wheel 26 is driven to rotate by the working operation of a driving motor 25, the driving wheel 26 drives a first rotating roller 23 to rotate through a belt 27, the first rotating roller 23 is in transmission connection with a second rotating roller 210 through the conveyor belt 211, the ceramic wet blank on the tray 212 is driven to move in the drying chamber 1, an air blower 310 sucks air heated by a heater 36 by the working operation, the heat is uniform through an air conditioner 38, then the air is discharged from an air discharge head 314 through a fourth connecting pipe 311, an air duct 312 and an air discharge pipe 313, when the ceramic wet blank passes through an infrared radiator 5, the surface and the inside of the ceramic wet blank simultaneously absorb radiation energy by the penetrating force of infrared rays, the internal diffusion is accelerated, then the external diffusion is accelerated by the hot air blowing in the air discharge head 314, when the gradient of the ceramic wet blank is larger, the next infrared radiation is transferred, when the moisture of the ceramic wet blank reaches the equilibrium moisture, the drying rate is reduced to zero, at this time, the drying process is terminated, the ceramic wet blank is discharged from the drying chamber 1, the ceramic wet blank is taken down from the tray 212 and placed on the blank discharging table 10, when the infrared radiator 5 heats the ceramic wet blank and the air exhaust head 314 blows hot air to the ceramic wet blank, the water in the ceramic wet blank obtains heat and is vaporized, the moisture diffuses from the interior of the ceramic wet blank to the surface and evaporates the moisture from the surface of the ceramic wet blank to the outside, when the wet air moves downwards to pass through the condensing plate 61, the evaporated water meets the condensation and is condensed into small water drops, the small water drops move downwards from the condensing tank 63 and enter the moisture exhaust pipe 7 through the guide holes 64 on the circular plate 62, so that the moisture is discharged, and the hot air moves upwards and enters the interior of the circulating pipe 31 for recycling.
The control mode of the invention is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of the power supply also belongs to the common knowledge in the field, and the invention is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the invention.
To sum up, this drying device based on balanced moisture adopts wet base of medium discharge pottery uses through heater 36 and forced draught blower 310's cooperation, is convenient for to the control and the regulation of the inside temperature of drying chamber 1 and velocity of flow, and it is even to ceramic wet base surface heating, and the effectual wet base of preventing pottery warp the bloated fracture, has improved the quality and the qualification rate of the wet base of pottery.
The infrared radiator 5 and the hot air drying mechanism 3 are matched for use, the wet ceramic blank is moved in the drying chamber 1 through the wet blank conveying mechanism 2, when the wet ceramic blank is subjected to effective improvement of moisture temperature through the infrared radiator 5, internal diffusion is accelerated, then hot air injection of the hot air drying mechanism 3 is accelerated, external diffusion is accelerated, when the moisture gradient of the wet ceramic blank is larger, next infrared radiation is transferred to, when the moisture of the wet ceramic blank reaches balanced moisture, the drying speed is reduced to zero, at the moment, the drying process is stopped, the wet ceramic blank is discharged from the drying chamber 1, deformation, bulging and cracking of the wet ceramic blank are effectively prevented, the glaze absorption capacity of the wet ceramic blank is further improved, the ceramic firing period is shortened, and energy consumption is reduced.
Through infrared radiator 5's setting, the infrared ray has certain penetrability for the surface of wet blank of pottery and inside absorb radiation energy simultaneously, the bond length and the key angle vibration of water molecule under the effect of infrared ray, dipole moment change repeatedly, absorbed energy and the square of dipole moment change are directly proportional, and thermal diffusion, wet diffusion direction are unanimous, and the heating is even, improves dry speed.
Through the setting of moisture condensation mechanism 6, the water in the wet ceramic base obtains the heat and vaporizes, and moisture spreads to the surface and evaporates the moisture and goes to the external world by the wet ceramic base surface diffusion from the inside of the wet ceramic base, and when humid air moved down through condensing plate 61, the evaporating water met the condensation and becomes the water droplet, moves down from the condensate tank 63, enters into in the hydrofuge pipe 7 in the guiding hole 64 on circular plate 62 for the discharge of moisture.
The invention has simple structure, reasonable design and simple and convenient operation, and solves the problems that the temperature and the flow rate are not convenient to control and adjust, the ceramic wet blank is easy to bulge and crack, and the discharge of condensed water and moisture is not facilitated, so that the energy is wasted.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. A drying device for discharging ceramic wet blanks by adopting media based on moisture balance comprises a drying chamber (1), and is characterized in that: the drying device is characterized in that a wet blank conveying mechanism (2) is arranged inside the drying chamber (1), a hot air drying mechanism (3) is arranged at the top of the drying chamber (1), mounting rods (4) are fixedly mounted at the top between the inner walls of the drying chamber (1), infrared radiators (5) are fixedly mounted at equal intervals at the bottoms of the mounting rods (4), a wet air condensing mechanism (6) is fixedly mounted at the bottom between the inner walls of the drying chamber (1), the bottom of the wet air condensing mechanism (6) is fixedly communicated with a moisture exhaust pipe (7), supporting legs (8) are welded at four corners of the bottom of the drying chamber (1), a blank inlet table (9) is arranged at the left side of the drying chamber (1), and a blank outlet table (10) is arranged at the right side of the drying chamber (1);
the hot air drying mechanism (3) comprises a circulating pipe (31), the circulating pipe (31) is fixedly communicated with the left side of the top of the drying chamber (1), a first connecting pipe (32) is fixedly communicated with the top of the right side of the circulating pipe (31), an air inlet pipe (33) is fixedly communicated with the middle of the top of the first connecting pipe (32), a one-way valve (34) is arranged inside the air inlet pipe (33), an air filter (35) is fixedly arranged at the top of the air inlet pipe (33), a heater (36) is fixedly communicated with the right side of the first connecting pipe (32), the bottom of the heater (36) is fixedly arranged at the top of the drying chamber (1), a second connecting pipe (37) is fixedly communicated with the right side of the heater (36), an air regulator (38) is fixedly communicated with the right side of the second connecting pipe (37), and the bottom of the air regulator (38) is fixedly arranged at the top of the drying chamber (, the right side of the air conditioner (38) is fixedly communicated with a third connecting pipe (39), the right side of the third connecting pipe (39) is fixedly communicated with a blower (310), the right side of the blower (310) is fixedly communicated with a fourth connecting pipe (311), the bottom of the fourth connecting pipe (311) penetrates through and extends to the inside of the drying chamber (1), the bottom of the fourth connecting pipe (311) is fixedly communicated with an air duct (312), the bottom of the air duct (312) is fixedly communicated with three exhaust pipes (313) in an equidistant mode, and the bottom of the exhaust pipes (313) is fixedly communicated with exhaust heads (314) in an equidistant array mode; two fixing lantern rings (315) are fixedly sleeved on the outer surface of the air duct (312), fixing rods (316) are fixedly installed at the tops of the fixing lantern rings (315), and the tops of the fixing rods (316) are fixedly installed on the inner top wall of the drying chamber (1);
the moisture condensation mechanism (6) comprises a condensation plate (61), the condensation plate (61) is arc-shaped, the condensation plate (61) is fixedly installed at the bottom between the inner walls of the drying chamber (1), the condensation plate (61) is located below the conveyor belt (211), a circular plate (62) is embedded in the middle of the condensation plate (61), condensation grooves (63) are formed in the top of the condensation plate (61) in an equidistant array mode, penetrating guide holes (64) are formed in the top of the circular plate (62) in an equidistant array mode, and the moisture exhaust pipe (7) is fixedly communicated with the position right below the circular plate (62); through the arrangement of the moisture condensation mechanism, water in the ceramic wet blank obtains heat and is vaporized, the water is diffused from the inside of the ceramic wet blank to the surface, the evaporated water is diffused to the outside from the surface of the ceramic wet blank, when the wet air moves downwards and passes through the condensation plate, the evaporated water meets the condensation and is condensed into small water drops, the small water drops move downwards from the condensation groove and enter the moisture exhaust pipe through the guide hole on the circular plate, and the moisture is exhausted;
the wet blank conveying mechanism (2) comprises a first mounting frame (21) and a second mounting frame (28), a first rotating shaft (22) is connected to the top between the inner walls of the first mounting frame (21) in an interference mode through a bearing, a first rotating roller (23) and a driven roller (24) are sleeved on the outer surface of the first rotating shaft (22), the driven roller (24) is fixedly installed on one side of the first rotating roller (23), a driving motor (25) is fixedly installed on the inner bottom wall of the first mounting frame (21), a driving wheel (26) is fixedly installed on the output shaft of the driving motor (25), the driving wheel (26) is in transmission connection with the driven roller (24) through a belt (27), a second rotating shaft (29) is connected to the top between the inner walls of the second mounting frame (28) in an interference mode through a bearing, a second rotating roller (210) is sleeved on the outer surface of the second rotating shaft (29), the outer surface of the second rotating roller (210) is in transmission connection with a conveyor belt (211), and the conveyor belt (211) penetrates through the interior of the drying chamber (1) and is in transmission connection with the first rotating roller (23);
through-hole that runs through is seted up to equidistant array in conveyer belt (211), and the internal diameter of through-hole is five centimetres at zero point, equidistant fixed mounting has twelve tray (212) on conveyer belt (211), and the bottom of tray (212) is made by flexible rubber, the transfer passage that runs through is all seted up to the both sides of drying chamber (1), the size and the conveyer belt (211) looks adaptation of transfer passage, and the inner wall of transfer passage is provided with the sealing strip, and the sealing strip is made by flexible rubber.
2. The drying device for ceramic wet blank discharging by medium based on moisture balance as claimed in claim 1, characterized in that: the top parts of the blank inlet table (9), the blank outlet table (10) and the conveyor belt (211) are positioned on the same horizontal line.
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| CN201811068159.1A CN109269276B (en) | 2018-09-13 | 2018-09-13 | Drying device for ceramic wet blank discharged by medium based on balance moisture |
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| CN201811068159.1A CN109269276B (en) | 2018-09-13 | 2018-09-13 | Drying device for ceramic wet blank discharged by medium based on balance moisture |
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| CN200943996Y (en) * | 2006-07-25 | 2007-09-05 | 伦浩新 | Infrared and heated air circulation combined drying device |
| CN105783476A (en) * | 2014-12-25 | 2016-07-20 | 刘芳圃 | Hot air injection type and electromagnetic heating belt type continuous drying machine system |
| CN107314653A (en) * | 2017-07-03 | 2017-11-03 | 湖北垚美软瓷有限公司 | Porcelain tendre continuous type roaster |
| CN207231118U (en) * | 2017-10-10 | 2018-04-13 | 徐州市宏达木业有限公司 | Boiler circulating-heating drying device is used in a kind of timber processing |
| CN207570267U (en) * | 2017-11-01 | 2018-07-03 | 吴江市宏瑞精密机械厂 | Handware dries back-fire arrangement |
| CN207622456U (en) * | 2017-11-24 | 2018-07-17 | 广西北流市红日紫瓷业有限公司 | A kind of conveyor type ceramic microwave drying device |
| CN207662156U (en) * | 2017-12-06 | 2018-07-27 | 重庆科瑞制药(集团)有限公司 | A kind of desmodium particle drying device |
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