CN111076522A - Three-phase balance efficient uniform-temperature hot air tunnel furnace drying device - Google Patents
Three-phase balance efficient uniform-temperature hot air tunnel furnace drying device Download PDFInfo
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- CN111076522A CN111076522A CN201811222974.9A CN201811222974A CN111076522A CN 111076522 A CN111076522 A CN 111076522A CN 201811222974 A CN201811222974 A CN 201811222974A CN 111076522 A CN111076522 A CN 111076522A
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- 238000001035 drying Methods 0.000 title claims abstract description 76
- 238000000643 oven drying Methods 0.000 claims abstract description 11
- 239000004744 fabric Substances 0.000 claims abstract description 9
- 238000007639 printing Methods 0.000 claims abstract description 6
- 230000017525 heat dissipation Effects 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 83
- 238000004321 preservation Methods 0.000 claims description 29
- 230000000694 effects Effects 0.000 claims description 11
- 230000005855 radiation Effects 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 9
- 239000000523 sample Substances 0.000 claims description 9
- 229920000742 Cotton Polymers 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 238000011084 recovery Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000007791 dehumidification Methods 0.000 description 5
- 238000004134 energy conservation Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000009529 body temperature measurement Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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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
- F26B15/18—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 endless 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
- F26B21/004—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
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
- F26B23/06—Heating arrangements using electric heating resistance heating
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
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- Sustainable Development (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a hot-air tunnel oven drying device with three-phase balance, high efficiency and uniform temperature, which can be used for baking cloth with printing, and comprises a drying line with a modular structure formed by splicing and combining a plurality of drying modules, a conveying belt which penetrates through the whole drying line and can convey a workpiece, a transmission motor for driving the conveying belt to work, a control panel capable of controlling the work of the hot-air tunnel oven drying device, and a workpiece heat dissipation device which is arranged at the tail end of the conveying belt and can blow the workpiece to dissipate heat; the drying module comprises a standard drying module and a dehumidifying and heat-recovering drying module with dehumidifying and heat-recovering functions.
Description
Technical Field
The invention relates to the technical field of hot air tunnel furnace drying equipment, in particular to a three-phase balance efficient uniform-temperature hot air tunnel furnace drying device.
Background
At present, the heating modes of the existing hot air tunnel oven drying line on the market are as follows: 1) heating the hot air tunnel oven drying line by a far infrared heater: the heat energy is mainly transmitted in a radiation mode at high temperature, and researches show that at high temperature, 90% of heat energy is transmitted in a radiation mode, the radiation intensity is in direct proportion to the fourth power of the temperature, the absorption capacity of the radiation heat energy is in direct proportion to the surface blackness of a heated object, and if the drying line is used for drying white cloth, the heat energy utilization efficiency is low, and the white cloth is easily baked to be yellow. In addition, the distance between heaters in the furnace is large, the difference between the temperature measurement point and the actual temperature is large, and the three-phase imbalance of an input power supply is easily caused in the working process. Moreover, the high-temperature moisture in the interior cannot be discharged, and the drying efficiency is not high; 2) the hot air tunnel oven drying line is heated by a pure resistance stainless steel heating pipe: the inside mainly adopts bunched tubular heating element, and the interval is big between the heating pipe in the stove, and the temperature is inhomogeneous on the conveyer belt, and the temperature measurement point is great with actual temperature difference, and the working process causes the unbalanced three-phase of input power easily. Moreover, the internal high-temperature moisture cannot be discharged, and the drying efficiency is not high; 3) heating a hot air tunnel oven drying line by an induction heating mode: the induction heating mode is adopted for heating, so that the efficiency is low, the temperature control is not accurate, and the manufacturing cost is high; 4) the hot air tunnel furnace drying line is heated by a gas heating mode: the temperature control is not accurate, the combustion process can pollute the environment, and the cloth is not suitable for baking; 5) the hot air tunnel furnace drying line is heated by a fuel oil mode: the temperature control is not accurate, the combustion process can pollute the environment, and the cloth baking device is not suitable for the printing industry.
Therefore, how to realize a hot-blast tunnel furnace drying device that has simple, novel and reasonable structure, low production cost, high drying efficiency, high heat utilization rate, energy conservation, environmental protection, uniform temperature and accurate temperature control is a technical problem to be solved urgently in the industry.
Disclosure of Invention
The invention mainly aims to provide a hot air tunnel furnace drying device with three-phase balance, high efficiency and uniform temperature, and aims to realize a freely combined modular structure, high flexibility, wide application range, convenient transportation and installation, simple, novel and reasonable structure, low production cost, high drying efficiency, high heat energy utilization rate, energy conservation, environmental protection, three-phase balance, uniform temperature and accurate temperature control.
The invention provides a hot-air tunnel oven drying device with three-phase balance, high efficiency and uniform temperature, which can be used for baking cloth with printing, and comprises a drying line with a modular structure formed by splicing and combining a plurality of drying modules, a conveying belt which penetrates through the whole drying line and can convey a workpiece, a transmission motor for driving the conveying belt to work, a control panel capable of controlling the work of the hot-air tunnel oven drying device, and a workpiece heat dissipation device which is arranged at the tail end of the conveying belt and can blow the workpiece to dissipate heat; the drying module comprises a standard drying module and a dehumidifying and heat-recovering drying module with dehumidifying and heat-recovering functions.
Preferably, standard stoving module includes the shell, locate the foot cup and the truckle of shell bottom, lay the shell internal surface and form the heat preservation cotton of heat preservation cavity, the conveyer belt is located in the heat preservation cavity, standard stoving module still includes a plurality of plane hot plate devices that locate the conveyer belt top and can evenly heat the work piece on the conveyer belt, locate the forced convection fan of the inside air convection of the heat preservation cavity that can force of heat preservation cavity bottom, locate the balanced accurate temperature control device of three-phase of the work of heat preservation cavity below and steerable plane hot plate device, in operation, forced convection fan makes and forms independent forced convection system in the heat preservation cavity thereby through the conduction, the radiation, three kinds of modes of forced convection carry out even heating to the work piece.
Preferably, the dehumidification and heat recovery drying module comprises a shell, a foot cup and a caster which are arranged at the bottom of the shell, and heat insulation cotton which is arranged on the inner surface of the shell and forms a heat insulation cavity, wherein the conveyor belt is arranged in the heat insulation cavity; the moisture-discharging and heat-recovering device is provided with a forced convection fan, an air inlet pipe, a plate heat exchanger communicated with the air inlet pipe and an air outlet pipe communicated with the plate heat exchanger, the air inlet pipe is communicated with a main air inlet pipe in parallel, hot air is introduced from the workpiece heat-radiating device by the main air inlet pipe, and the air outlet pipe is communicated with the main air outlet pipe in parallel and is discharged through the main air outlet pipe; the during operation, the hot-air of an air-supply line introduction heat abstractor department, this hot-air carries out the postheating through plate heat exchanger and gets into inside the heat preservation cavity, the high temperature humid air behind the inside heating work piece of heat preservation cavity blows through plate heat exchanger under the effect of forced convection fan, plate heat exchanger carries out recycle to the high temperature humid air cooling one-tenth normal atmospheric temperature humid air simultaneously behind the heat exchange effect, normal atmospheric temperature humid air is via going out the tuber pipe, the total play tuber pipe discharges away, forced convection fan makes the interior formation of heat preservation cavity independent forced convection system thereby through the conduction, the radiation, three kinds of modes of forced convection come to carry out the even heating to the work piece, discharge the moisture and carry out recycle to the heat through hydrofuge and heat reclamation device and be used for reaching hydrofuge and heat reclamation function.
Preferably, the planar heating plate device comprises a heating plate top plate, an upper insulating plate, a heating chip layer, a lower insulating plate and a heating plate bottom plate, wherein the heating plate top plate, the upper insulating plate, the heating chip layer, the lower insulating plate and the lower end surface are sequentially attached from top to bottom; the heating chips of the heating chip layer are uniformly distributed, and the shape and the size of the heating chip layer are matched with the heating plate top plate and the heating plate bottom plate; the upper end surface of the heating plate top plate is provided with a lead-out wire ceramic seat, a temperature control probe capable of detecting temperature and a temperature controller capable of controlling the heating temperature of the heating chip layer, the detection data of the temperature control probe of each plane heating plate device is transmitted to a three-phase balance precise temperature control device, and the three-phase balance precise temperature control device independently controls the work of the corresponding temperature controller according to the detection data and the set temperature point so as to control the heating temperature of the corresponding heating chip layer and further achieve the effect of precise temperature control; the input power supply of the plane heating plate device is a direct current power supply rectified by three phases so as to ensure the three-phase balance of the input power supply and accurately control the temperature during working.
Preferably, the three-phase balance precision temperature control device, the temperature control probe and the temperature controller form a three-phase balance precision temperature control system capable of controlling the operation of the planar heating plate device.
Preferably, the control panel comprises a housing, a control circuit board arranged in the housing, a display screen arranged on the housing, and a plurality of control buttons arranged on the housing.
The hot air tunnel furnace drying device has the advantages of realizing a freely combined modular structure, high flexibility, wide application range, convenience in transportation and installation, simplicity, novelty, reasonableness, low production cost, functions of moisture removal and heat recovery, high drying efficiency, high heat energy utilization rate, energy conservation, environmental protection, three-phase balance, temperature equalization and accurate temperature control.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of a drying apparatus of a three-phase balanced high-efficiency uniform-temperature hot air tunnel furnace according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
fig. 4 is a second schematic perspective view of an embodiment of a drying apparatus of a three-phase balanced high-efficiency uniform-temperature hot air tunnel furnace according to the present invention;
FIG. 5 is a schematic perspective view of a standard drying module in an embodiment of a drying apparatus of a hot-air tunnel furnace with three-phase balance, high efficiency and uniform temperature of the present invention;
FIG. 6 is a schematic sectional view of a standard drying module in an embodiment of the drying apparatus of a hot-air tunnel furnace with three-phase balance, high efficiency and uniform temperature of the present invention;
FIG. 7 is a schematic perspective view of a moisture removal and heat recovery drying module in an embodiment of a drying apparatus of a three-phase balanced, efficient and uniform temperature hot air tunnel oven according to the present invention;
FIG. 8 is a schematic cross-sectional view of a dehumidifying and heat-recovering drying module in an embodiment of a drying apparatus of a three-phase balanced hot-air tunnel furnace according to the present invention;
FIG. 9 is a second schematic sectional view of a dehumidifying and heat-recovering drying module in an embodiment of a drying apparatus of a three-phase balanced hot-air tunnel furnace according to the present invention;
FIG. 10 is a block diagram illustrating the operation principle of a dehumidifying and heat-recovering drying module in an embodiment of the drying apparatus of a three-phase balanced, efficient and uniform-temperature hot-air tunnel oven according to the present invention;
FIG. 11 is an exploded perspective view of a planar heating plate device in an embodiment of a drying apparatus of a three-phase balanced high-efficiency uniform-temperature hot air tunnel oven according to the present invention;
fig. 12 is a schematic structural diagram of an electronic circuit of a planar heating plate device in an embodiment of a drying device of a three-phase balanced high-efficiency uniform-temperature hot air tunnel furnace according to 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.
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.
Referring to fig. 1 to 12, an embodiment of a hot air tunnel oven drying device with three-phase balance, high efficiency and uniform temperature according to the present invention is provided, which can bake cloth with printing, and includes a drying line with a modular structure formed by splicing and combining a plurality of drying modules 101, a conveyor belt 102 penetrating through the whole drying line and capable of conveying a workpiece, a transmission motor 103 driving the conveyor belt 102 to work, a control panel 104 capable of controlling the operation of the hot air tunnel oven drying device, and a workpiece heat dissipation device 105 arranged at the tail end of the conveyor belt 102 and capable of blowing air to the workpiece to dissipate heat; the drying module 101 comprises a standard drying module and a dehumidifying and heat-recovering drying module with dehumidifying and heat-recovering functions, and different drying modules 101 can be selected according to requirements to be combined. This hot-blast tunnel furnace drying device is the modular structure who forms by the combination of a plurality of stoving modules 101 concatenation, can make up as required freely, and the flexibility ratio is high, and application scope is wide, convenient transportation and installation, and simple structure is novel and reasonable, low in production cost.
Wherein, standard stoving module includes shell 201, locate foot cup 202 and truckle 203 of shell 201 bottom, lay in shell 201 internal surface and form the heat preservation cotton 204 of heat preservation cavity, conveyer belt 102 is located in the heat preservation cavity, standard stoving module still includes a plurality of plane hot plate device 205 that locate conveyer belt 102 top and can evenly heat the work piece on the conveyer belt 102, locate the forced convection fan 206 of the inside air convection of the heat preservation cavity that can force of heat preservation cavity bottom, locate the accurate temperature control device 207 of three-phase balance of the work of heat preservation cavity below and steerable plane hot plate device 205, in operation, forced convection fan 206 makes the interior independent forced convection system that forms of heat preservation cavity through the conduction, the radiation, the three kinds of modes of forced convection carry out even heating to the work piece, improve the utilization ratio of heat energy.
Wherein, the dehumidification and heat recovery drying module includes shell 201, locate foot cup 202 and the truckle 203 of shell 201 bottom, lay in shell 201 internal surface and form the heat preservation cotton 204 of heat preservation cavity, conveyer belt 102 is located in the heat preservation cavity, standard drying module still includes a plurality of plane hot plate device 205 of locating conveyer belt 102 top and can evenly heating the work piece on conveyer belt 102, locate the dehumidification and heat recovery device of heat preservation cavity bottom, locate the heat preservation cavity below and the balanced accurate temperature control device 207 of three-phase of the work of steerable plane hot plate device 205. The dehumidifying and heat-recovering device is provided with a forced convection fan 206, an air inlet pipe 208, a plate heat exchanger 209 communicated with the air inlet pipe 208 and an air outlet pipe 210 communicated with the plate heat exchanger 209, wherein the air inlet pipe 208 is communicated with a main air inlet pipe 211 in parallel, the main air inlet pipe 211 introduces hot air from the workpiece heat-radiating device 105, and the air outlet pipe 210 is communicated with a main air outlet pipe 212 in parallel and discharges through the main air outlet pipe 212. During operation, the hot-air of a heat abstractor department is introduced to air-supply line 208, this hot-air gets into inside the heat preservation cavity after plate heat exchanger 209 carries out the secondary heating, the high temperature and high humidity air behind the inside heating work piece of heat preservation cavity blows through plate heat exchanger 209 under the effect of forced convection fan 206, plate heat exchanger 209 is through heat exchange effect after the high temperature and high humidity air cooling become normal atmospheric temperature and high humidity air while heat is recycled, normal atmospheric temperature and high humidity air is via out tuber pipe 210, always go out tuber pipe 212 and discharges away, forced convection fan 206 makes and forms independent forced convection system in the heat preservation cavity thereby through the conduction, the radiation, the three kinds of modes of forced convection come to carry out the even heating to the work piece, discharge the moisture and carry out the recycle to the heat through dehumidification and heat recovery unit in order to reach the dehumidification and heat recovery. If the moisture removal and heat recovery drying module is selected according to the requirement, the energy-saving effect can be achieved, and the production efficiency is effectively improved.
The flat heating plate device 205 includes a heating plate top plate 301, an upper insulating plate 302, a heating chip layer 303, a lower insulating plate 304, and a heating plate bottom plate 305, which are sequentially attached from top to bottom, and whose lower end surface is blackened to increase blackness, thereby increasing heat radiation and thermal efficiency. Heating chip layer 303's heating chip evenly distributed, and heating chip layer 303's overall dimension and the equal adaptation of hot plate roof 301, hot plate bottom plate 305, make the heating chip even to monoblock hot plate roof 301, the heating temperature of hot plate bottom plate 305. The upper end face of the heating plate top plate 301 is provided with an outgoing line ceramic seat 306, a temperature control probe 307 capable of detecting temperature and a temperature controller 308 capable of controlling the heating temperature of the heating chip layer 303, the detection data of the temperature control probe 307 of each planar heating plate device 205 is transmitted to the three-phase balance precise temperature control device 207, and the three-phase balance precise temperature control device 207 independently controls the work of the corresponding temperature controller 308 according to the detection data and the set temperature point so as to control the heating temperature of the corresponding heating chip layer 303 and further achieve the effect of precise temperature control; the planar heating plate device 205 is adopted to heat the whole top of the conveyor belt 102, and the temperature is controlled by combining the three-phase balance precise temperature control device 207, so that the internal temperature of the drying line can be accurately within plus or minus 2 ℃, and the effect of drying white cloth in the printing industry is particularly obvious. The input power of the planar heating plate device 205 is a dc power rectified from three phases to ensure three-phase balance of the input power and accurate temperature control during operation.
The three-phase balance precision temperature control device 207, the temperature control probe 307 and the temperature controller 308 constitute a three-phase balance precision temperature control system which can control the operation of the planar heating plate device 205.
The control panel 104 includes a housing, a control circuit board disposed in the housing, a display screen disposed on the housing, and a plurality of control buttons disposed on the housing.
The hot air tunnel furnace drying device has the advantages of realizing a freely combined modular structure, high flexibility, wide application range, convenience in transportation and installation, simplicity, novelty, reasonableness, low production cost, functions of moisture removal and heat recovery, high drying efficiency, high heat energy utilization rate, energy conservation, environmental protection, three-phase balance, temperature equalization and accurate temperature control.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, are included in the scope of the present invention.
Claims (6)
1. A hot-blast tunnel furnace drying device with three-phase balance, high efficiency and uniform temperature can bake cloth with printing, and is characterized by comprising a drying line with a modular structure formed by splicing and combining a plurality of drying modules, a conveying belt which penetrates through the whole drying line and can convey workpieces, a transmission motor for driving the conveying belt to work, a control panel for controlling the work of the hot-blast tunnel furnace drying device, and a workpiece heat dissipation device which is arranged at the tail end of the conveying belt and can blow the workpieces to play a role in heat dissipation; the drying module comprises a standard drying module and a dehumidifying and heat-recovering drying module with dehumidifying and heat-recovering functions.
2. The drying device of the three-phase balance high-efficiency uniform-temperature hot air tunnel furnace according to claim 1, it is characterized in that the standard drying module comprises a shell, a foot cup and a caster which are arranged at the bottom of the shell, heat insulation cotton which is arranged on the inner surface of the shell and forms a heat insulation cavity, a conveyor belt is arranged in the heat insulation cavity, the standard drying module also comprises a plurality of plane heating plate devices which are arranged above the conveyor belt and can uniformly heat workpieces on the conveyor belt, a forced convection fan which is arranged at the bottom of the heat insulation cavity and can force the air convection in the heat insulation cavity, and a three-phase balance precise temperature control device which is arranged below the heat insulation cavity and can control the work of the plane heating plate devices, the forced convection fan enables an independent forced convection system to be formed in the heat preservation chamber, so that the workpiece is uniformly heated through three modes of conduction, radiation and forced convection.
3. The hot-air tunnel oven drying device with three-phase balance, high efficiency and uniform temperature according to claim 1, characterized in that the moisture-removing and heat-recovering drying module comprises a shell, a foot cup and a caster wheel arranged at the bottom of the shell, and heat-insulating cotton arranged on the inner surface of the shell and forming a heat-insulating cavity, the conveyor belt is arranged in the heat-insulating cavity, the standard drying module further comprises a plurality of planar heating plate devices which are arranged above the conveyor belt and can uniformly heat workpieces on the conveyor belt, a moisture-removing and heat-recovering device arranged at the bottom of the heat-insulating cavity, and a three-phase balance precise temperature control device which is arranged below the heat-insulating cavity and can control the work of the planar;
the moisture-discharging and heat-recovering device is provided with a forced convection fan, an air inlet pipe, a plate heat exchanger communicated with the air inlet pipe and an air outlet pipe communicated with the plate heat exchanger, the air inlet pipe is communicated with a main air inlet pipe in parallel, hot air is introduced from the workpiece heat-radiating device by the main air inlet pipe, and the air outlet pipe is communicated with the main air outlet pipe in parallel and is discharged through the main air outlet pipe; the during operation air-supply line introduces the hot-air of a heat abstractor department, this hot-air carries out the postheating through plate heat exchanger and gets into inside the heat preservation cavity, the high temperature humid air behind the inside heating work piece of heat preservation cavity blows through plate heat exchanger under the effect of forced convection fan, plate heat exchanger cools off into the high temperature humid air and carries out recycle to the heat simultaneously to the high temperature humid air behind the heat exchange effect, the high temperature humid air is via going out the tuber pipe, the total play tuber pipe discharges away, forced convection fan makes the heat preservation cavity form independent forced convection system thereby through the conduction, the radiation, three kinds of modes of forced convection come to carry out the even heating to the work piece, discharge the moisture and carry out recycle to the heat through hydrofuge and heat reclamation device and be used for reaching hydrofuge and heat reclamation function.
4. The drying device of the hot air tunnel furnace with three-phase balance, high efficiency and uniform temperature according to claim 2 or 3, characterized in that the planar heating plate device comprises a heating plate top plate, an upper insulating plate, a heating chip layer, a lower insulating plate and a heating plate bottom plate, wherein the heating plate top plate, the upper insulating plate, the heating chip layer, the lower insulating plate and the heating plate bottom plate are sequentially attached from top to bottom, and the lower end surface of the heating plate bottom plate is subjected to blackening treatment to increase blackness, so;
the heating chips of the heating chip layer are uniformly distributed, and the shape and the size of the heating chip layer are matched with the heating plate top plate and the heating plate bottom plate;
the upper end surface of the heating plate top plate is provided with a lead-out wire ceramic seat, a temperature control probe capable of detecting temperature and a temperature controller capable of controlling the heating temperature of the heating chip layer, the detection data of the temperature control probe of each plane heating plate device is transmitted to a three-phase balance precise temperature control device, and the three-phase balance precise temperature control device independently controls the work of the corresponding temperature controller according to the detection data and the set temperature point so as to control the heating temperature of the corresponding heating chip layer and further achieve the effect of precise temperature control;
the input power supply of the plane heating plate device is a direct current power supply rectified by three phases so as to ensure the three-phase balance of the input power supply and accurately control the temperature during working.
5. The drying device of the hot air tunnel furnace with three-phase balance, high efficiency and uniform temperature according to claim 4, wherein the three-phase balance precise temperature control device, the temperature control probe and the temperature controller form a three-phase balance precise temperature control system capable of controlling the operation of the planar heating plate device.
6. The drying device of the three-phase balance high-efficiency uniform-temperature hot air tunnel furnace according to claim 5, wherein the control panel comprises a shell, a control circuit board arranged in the shell, a display screen arranged on the shell and a plurality of control buttons arranged on the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811222974.9A CN111076522B (en) | 2018-10-19 | 2018-10-19 | Three-phase balance high-efficiency temperature-equalizing hot air tunnel furnace drying device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811222974.9A CN111076522B (en) | 2018-10-19 | 2018-10-19 | Three-phase balance high-efficiency temperature-equalizing hot air tunnel furnace drying device |
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| CN111076522A true CN111076522A (en) | 2020-04-28 |
| CN111076522B CN111076522B (en) | 2024-06-18 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154860A (en) * | 2021-04-26 | 2021-07-23 | 湖南农业大学 | Three-return-stroke cyclone type rape drying device |
| CN113203262A (en) * | 2021-04-27 | 2021-08-03 | 湖南农业大学 | Three-return-stroke cyclone-type rapeseed drying intelligent control system |
| CN113218174A (en) * | 2021-04-29 | 2021-08-06 | 温州市金榜轻工机械有限公司 | Portable modular belt dryer |
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| CN204787695U (en) * | 2015-07-06 | 2015-11-18 | 肖明真 | Ceramic body drying device |
| CN205143349U (en) * | 2015-11-12 | 2016-04-13 | 会泽蒄玉食品有限公司 | Plande noodles preliminary treatment dewatering device |
| CN205784424U (en) * | 2016-06-07 | 2016-12-07 | 上虞冠峰食品机械有限公司 | Belt drying plant |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113154860A (en) * | 2021-04-26 | 2021-07-23 | 湖南农业大学 | Three-return-stroke cyclone type rape drying device |
| CN113203262A (en) * | 2021-04-27 | 2021-08-03 | 湖南农业大学 | Three-return-stroke cyclone-type rapeseed drying intelligent control system |
| CN113203262B (en) * | 2021-04-27 | 2022-07-19 | 湖南农业大学 | Three-return-stroke cyclone-type intelligent rapeseed drying control system |
| CN113218174A (en) * | 2021-04-29 | 2021-08-06 | 温州市金榜轻工机械有限公司 | Portable modular belt dryer |
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