CN212457825U - Far infrared drying equipment - Google Patents
Far infrared drying equipment Download PDFInfo
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- CN212457825U CN212457825U CN202021430029.0U CN202021430029U CN212457825U CN 212457825 U CN212457825 U CN 212457825U CN 202021430029 U CN202021430029 U CN 202021430029U CN 212457825 U CN212457825 U CN 212457825U
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Abstract
The invention discloses far infrared drying equipment, which relates to the technical field of drying equipment and comprises a drying box body, wherein a drying chamber is arranged in the drying box body, a plurality of far infrared radiation plates are sequentially arranged on two opposite inner side walls of the drying chamber in a staggered manner along the vertical direction, the free ends of the far infrared radiation plates are inclined downwards, and each far infrared radiation plate sequentially comprises a supporting layer, a reflecting layer, an infrared radiation layer and a wear-resistant layer from bottom to top. The far infrared radiation plate comprises a supporting layer, a reflecting layer, an infrared radiation layer and a wear-resistant layer from bottom to top in sequence, wherein the supporting layer can support the self weight of the far infrared radiation plate and the impact force of materials, the reflecting layer can reflect far infrared rays emitted by the infrared radiation layer to the upper surface of the far infrared radiation plate, the drying efficiency is improved, the wear-resistant layer can protect the infrared radiation layer, and the reduction of the drying efficiency and the material pollution caused by the fact that the infrared radiation layer is worn after long-time use are avoided.
Description
Technical Field
The invention relates to the technical field of drying equipment, in particular to far infrared drying equipment.
Background
The wavelength of far infrared is at 4~400 microns, can directly heat from the inside of material, is favorable to inside moisture rapid evaporation. Compared with the traditional hot air drying, the far infrared drying does not need to directly heat the air around the materials, and has the advantages of high efficiency and energy saving, thereby being widely applied in many fields. The far infrared drying equipment used in large scale at present mainly comprises a silicon carbide infrared radiation electric heater, a opal quartz infrared radiation electric heater, a ceramic infrared radiation electric heater, a resistance belt type infrared radiation electric heater, a coal and flue gas infrared radiation heater and the like. These conventional infrared radiation devices have the following disadvantages: firstly, the energy consumption is high, and far infrared rays can be emitted only at a certain high temperature; secondly, the energy utilization rate of the far infrared radiation heater heated by burning coal, petroleum, natural gas and the like is low, and certain pollution is caused to the environment due to insufficient combustion of fuel; thirdly, the infrared radiation heater using fuel for energy supply has poor safety because the temperature is difficult to control and the fire is easily caused by using open fire in the drying process.
In recent years, it has been found that carbon materials can emit far infrared rays at a relatively low power density after being electrified, and that the energy conversion efficiency is as high as 99%, and thus, the carbon materials are very ideal infrared emitting materials. Patent CN105135851A discloses a belt-type infrared radiation drying system and its installation and drying method, in which infrared radiation wave plates made of carbon material are respectively arranged above and below a conveyor belt, and in the process of conveying materials along with the conveyor belt, the infrared radiation wave plates above and below the conveyor belt radiate infrared waves under the condition of being electrified to dry the materials. However, since there is no protective layer on the outside of the infrared coating layer on the infrared radiation wave plate, the infrared coating material inevitably falls off during long-term use, resulting in a decrease in drying efficiency and contamination of materials. Moreover, this design increases the structural complexity and cost of the device, while reducing safety and increasing the failure rate of the device.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and provides far infrared drying equipment.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the utility model provides a far infrared drying equipment, includes the drying cabinet, be provided with the drying chamber in the drying cabinet, crisscross polylith far infrared radiation board that has set gradually along vertical direction on two inside walls that the drying chamber is relative, the equal downward sloping of free end of far infrared radiation board, every far infrared radiation board is by down up including supporting layer, reflection stratum, infrared radiation layer and wearing layer in proper order.
As a preferable embodiment of the far infrared drying apparatus of the present invention, wherein: the wear-resistant layer is made of polyethylene, high-density polyethylene, polytetrafluoroethylene, methyl methacrylate, polyisoprene plastic or toughened glass.
As a preferable embodiment of the far infrared drying apparatus of the present invention, wherein: the infrared radiation layer is prepared by mixing one or more carbon materials of graphite, expanded graphite, activated carbon, carbon nano tubes, graphene or carbon fibers.
As a preferable embodiment of the far infrared drying apparatus of the present invention, wherein: the reflecting layer is metal salt or ceramic coated on the upper surface of the supporting layer.
As a preferable embodiment of the far infrared drying apparatus of the present invention, wherein: the supporting layer is a stainless steel plate.
As a preferable embodiment of the far infrared drying apparatus of the present invention, wherein: the upper surface of wearing layer has evenly seted up the guiding gutter, the guiding gutter is followed the diagonal direction setting of far infrared radiation board, and arbitrary adjacent two guiding gutter on the far infrared radiation board intersects.
As a preferable embodiment of the far infrared drying apparatus of the present invention, wherein: one end of the far infrared radiation plate is hinged on the inner side wall of the drying box body, so that the included angle between the far infrared radiation plate and the inner side wall of the drying chamber is adjustable, the lower end of the far infrared radiation plate is fixedly provided with a support piece for supporting the far infrared radiation plate, the support piece is installed on the inner side wall of the drying chamber, and the support piece can be installed at different heights on the inner side wall of the drying chamber.
As a preferable embodiment of the far infrared drying apparatus of the present invention, wherein: be provided with the spiral feeder in the drying cabinet, the feed end of spiral feeder is located the bottom of drying cabinet, and with the feed inlet intercommunication of drying cabinet, the discharge end of spiral feeder is located the top of drying cabinet, and with the import intercommunication of drying chamber, the bottom of drying chamber is provided with the discharging pipe, the discharging pipe with the feed end intercommunication of spiral feeder, be provided with the valve on the discharging pipe, be located on the discharging pipe the valve with the discharge gate has been seted up between the drying chamber.
As a preferable embodiment of the far infrared drying apparatus of the present invention, wherein: air intake and air outlet have been seted up respectively on the remaining two inside walls of drying chamber, dry box is provided with dry air wind channel, humid air wind channel, forced draught blower, draught fan and controller outward, the one end in dry air wind channel with the forced draught blower intercommunication, the other end in dry air wind channel with the air intake intercommunication, the one end and the draught fan intercommunication in humid air wind channel, the other end in humid air wind channel with the air outlet intercommunication, forced draught blower and draught fan all with the controller electricity is connected.
As a preferable embodiment of the far infrared drying apparatus of the present invention, wherein: and a temperature/humidity detector is arranged in the drying chamber and is electrically connected with the controller.
The invention has the beneficial effects that:
(1) the far infrared radiation plate comprises a supporting layer, a reflecting layer, an infrared radiation layer and a wear-resistant layer from bottom to top in sequence, wherein the supporting layer can support the self weight of the far infrared radiation plate and the impact force of materials, the reflecting layer can reflect far infrared rays emitted by the infrared radiation layer to the upper surface of the far infrared radiation plate, the drying efficiency is improved, the wear-resistant layer can protect the infrared radiation layer, and the reduction of the drying efficiency and the material pollution caused by the fact that the infrared radiation layer is worn after long-time use are avoided;
(2) according to the invention, the diversion trenches are uniformly formed in the upper surface of the wear-resistant layer and are arranged along the diagonal direction of the far infrared radiation plate, so that the moving distance of materials on the far infrared radiation plate can be prolonged, and the drying efficiency of the materials is improved;
(3) the included angle between the far infrared radiation plate and the inner side wall of the drying chamber is adjustable, and the inclination of the far infrared radiation plate can be adjusted according to use requirements so as to be suitable for materials with different stacking angles;
(4) the invention is provided with a spiral feeder in the drying box body, the spiral feeder can convey the material to be dried to the top of the drying box body, then the material enters the drying chamber, the material slides and falls down between the far infrared laying plates by gravity once to realize the drying of the material, in addition, a discharge pipe is arranged at the bottom of the drying chamber, before the material to be dried does not meet the drying requirement, a discharge port on the discharge pipe can be closed, a valve is opened, the material reaches the top of the drying box body by the transmission of the spiral feeder after being subjected to the action of gravity, then the material enters the drying chamber again to realize the drying for a plurality of times, after the material meets the drying requirement, the valve is closed, the discharge port is opened, and the material can leave the drying box body from the discharge port to;
(5) according to the invention, the side wall of the drying chamber is also provided with the air inlet and the air outlet, dry air enters the drying chamber through the dry air duct and the air inlet under the pushing of the air feeder, and wet air in the box body is exhausted out of the drying box body through the air outlet and the wet air duct under the traction of the induced draft fan, so that the drying efficiency is prevented from being influenced by the humidity in the drying chamber;
(6) the temperature/humidity detector is also arranged in the drying chamber, and the controller adjusts the operation of the far infrared radiation plate, the air inlet fan and the induced draft fan in real time according to data fed back by the temperature/humidity detector, so that the damage to materials is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic cross-sectional view of a far infrared drying apparatus according to the present invention;
fig. 2 is a side view of a far infrared drying apparatus provided in the present invention;
FIG. 3 is a schematic top sectional view of a far infrared drying apparatus according to the present invention;
FIG. 4 is a schematic cross-sectional view of a far infrared radiation plate;
wherein: 1. drying the box body; 2. a drying chamber; 3. a far infrared radiation plate; 4. a support layer; 5. a reflective layer; 6. an infrared radiation layer; 7. a wear layer; 8. a diversion trench; 9. a support member; 10. a screw feeder; 11. a feed inlet; 12. a discharge pipe; 13. a valve; 14. a discharge port; 15. an air inlet; 16. an air outlet; 17. a dry air duct; 18. a wet air duct; 19. a blower; 20. an induced draft fan; 21. a temperature/humidity detector.
Detailed Description
In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
The embodiment provides a far infrared drying device, which comprises a drying box body 1, wherein a drying chamber 2 used for drying materials is arranged in the drying box body 1. The upper part of the drying chamber 2 is provided with an inlet. A plurality of far infrared radiation plates 3 are sequentially arranged on the left side wall and the right side wall in the drying chamber 2 from top to bottom in a staggered manner, the free ends of the far infrared radiation plates 3 are all inclined downwards, and the free end of each far infrared radiation plate 3 extends to the upper part of the far infrared radiation plate 3 below the same. The material to be dried automatically falls to the next far infrared radiation plate 3 after sliding along the far infrared radiation plate 3.
Still install spiral feeder 10 in drying box 1, the feed end of this spiral feeder 10 is located drying box 1's bottom, and with drying box 1's feed inlet 11 intercommunication, the discharge end of spiral feeder 10 is located drying box 1's top, and with drying chamber 2's import intercommunication, drying chamber 2's bottom is provided with discharging pipe 12, discharging pipe 12 and spiral feeder 10's feed end intercommunication, be provided with valve 13 on discharging pipe 12, lie in on discharging pipe 12 discharge gate 14 has been seted up between valve 13 and the drying chamber 2.
The screw feeder 10 can convey the material to be dried to the top of the drying box body 1, then the material enters the drying chamber 2, the material slides and falls by gravity once between the far infrared laying plates to realize the drying of the material, in addition, before the material to be dried does not meet the drying requirement, the discharge port 14 on the discharge pipe 12 can be closed, the valve 13 is opened, after the material reaches the bottom of the screw feeder 10 under the action of gravity, the material reaches the top of the drying box body 1 through the transmission of the screw feeder 10, then the material enters the drying chamber 2 again to realize the drying for multiple times, after the material meets the drying requirement, the valve 13 is closed, the discharge port 14 is opened, the material can leave the drying box body 1 from the discharge port 14, and the drying is completed.
Preferably, each far infrared radiation plate 3 is hinged on the inner side wall of the drying chamber 2 through a hinge, so that the included angle between each far infrared radiation plate 3 and the inner side wall of the drying chamber 2 is adjustable. The support member 9 is welded to the lower surface of the far infrared radiation plate 3, and one end of the support member 9 can be fixedly connected to the inner side wall of the drying chamber 2, so that the support member 9 can support the far infrared radiation plate 3. It should be noted that the supporting member 9 can be fixedly connected to the inner side walls of the drying chamber 2 at different heights, so that the included angle between the far infrared radiation plate 3 and the horizontal direction can be adjusted, and the far infrared drying equipment can be adapted to materials with different stacking angles. The connection mode between the support member 9 and the inner side wall of the drying chamber 2 is not fixed, and the detachable connection between the support member 9 and the inner side wall of the drying chamber 2 can be realized. If can set up a plurality of mounting holes along vertical direction on the 2 inside walls of drying chamber, can adjust the contained angle of far infrared radiation board 3 and horizontal direction through the height of the mounting hole of adjusting support piece 9 installation.
Each far infrared radiation plate 3 sequentially comprises a supporting layer 4, a reflecting layer 5, an infrared radiation layer 6 and a wear-resistant layer 7 from bottom to top. The support layer 4 is a stainless steel plate and can support the dead weight of the far infrared radiation plate 3 and the impact force of materials. The reflecting layer 5 is metal salt or ceramic coated on the upper surface of the supporting layer 4, and is used for reflecting far infrared rays, so that the far infrared rays are emitted to the upper surface of the far infrared radiation plate 3, and the drying efficiency is improved. The infrared radiation layer 6 is made of one or more carbon materials of graphite, expanded graphite, activated carbon, carbon nano tubes, graphene or carbon fibers by mixing, and the infrared radiation layer 6 can convert electric energy into far infrared rays and radiate the far infrared rays required by the dry materials under low power density. The wear-resistant layer 7 is made of polyethylene, high-density polyethylene, polytetrafluoroethylene, methyl methacrylate, polyisoprene plastic or toughened glass, is wear-resistant and does not absorb or reflect far red rays, effectively protects the infrared radiation layer 6 on the premise of ensuring the normal use of the far infrared radiation plate 3, and avoids the reduction of drying efficiency and material pollution caused by the abrasion of the infrared radiation layer 6 after long-time use.
The preferred, evenly seted up a plurality of guiding gutters 8 at the upper surface of wearing layer 7, these guiding gutters 8 all set up along the diagonal direction of far infrared radiation board 3, and the guiding gutter 8 on two arbitrary adjacent far infrared radiation boards 3 intersects. The moving distance of the materials on the far infrared radiation plate 3 can be prolonged, thereby improving the drying efficiency of the materials.
In addition, an air inlet 15 and an air outlet 16 are respectively arranged on the front side wall and the rear side wall in the drying chamber 2, the air inlet 15 is communicated with a blower 19 through a dry air duct 17 arranged on the front side wall outside the drying box body 1, and the blower 19 can convey dry air outside the drying box body 1 into the dry air duct 17 and send the dry air into the drying chamber 2 through the air inlet 15. The air outlet 16 is communicated with the draught fan 20 through a wet air duct 18 arranged on the outer rear side wall of the drying box body 1, and wet air in the drying chamber 2 is discharged out of the drying box body 1 through the air outlet 16 and the wet air duct 18 under the traction of the draught fan 20, so that moisture evaporated by materials is discharged out of the drying box body 1.
The drying chamber 2 is also internally provided with a temperature/humidity detector 21, the blower 19 and the induced draft fan 20 are all electrically connected with a controller outside the drying box body 1, in the process of drying the materials, the temperature/humidity detector 21 monitors the temperature and the humidity in the drying box body 1 in real time and feeds back the temperature and the humidity to the controller, and the central controller adjusts the operation of the far infrared radiation plate 3, the blower 19 and the induced draft fan 20 in real time according to data fed back by the temperature/humidity detector 21 so as to avoid the damage of the materials.
In addition to the above embodiments, the present invention may have other embodiments; all technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope of the claims of the present invention.
Claims (9)
1. The utility model provides a far infrared drying equipment, includes drying cabinet (1), be provided with drying chamber (2), its characterized in that in drying cabinet (1): the drying chamber (2) is relative two inside walls go up along vertical direction crisscross polylith far infrared radiation board (3) of having set gradually, the equal downward sloping of free end of far infrared radiation board (3), every far infrared radiation board (3) are by down up including supporting layer (4), reflection stratum (5), infrared radiation layer (6) and wearing layer (7) in proper order.
2. The far infrared drying apparatus as set forth in claim 1, wherein: the wear-resistant layer (7) is made of polyethylene, high-density polyethylene, polytetrafluoroethylene, methyl methacrylate, polyisoprene plastic or toughened glass.
3. The far infrared drying apparatus as set forth in claim 1, wherein: the reflecting layer (5) is metal salt or ceramic coated on the upper surface of the supporting layer (4).
4. The far infrared drying apparatus as set forth in claim 1, wherein: the supporting layer (4) is a stainless steel plate.
5. A far infrared drying apparatus according to any one of claims 1 to 4, characterized in that: diversion trenches (8) have evenly been seted up to the upper surface of wearing layer (7), diversion trenches (8) are followed the diagonal direction setting of far infrared radiation board (3), and arbitrary adjacent two diversion trenches (8) on the far infrared radiation board (3) intersect.
6. A far infrared drying apparatus according to any one of claims 1 to 4, characterized in that: one end of the far infrared radiation plate (3) is hinged on the inner side wall of the drying chamber (2), so that the included angle between the far infrared radiation plate (3) and the inner side wall of the drying box body (1) is adjustable,
the lower extreme of far infrared radiant panel (3) is fixed to be provided with and is used for supporting support piece (9) of far infrared radiant panel (3), support piece (9) install in on drying chamber (2) inside wall, and the mountable in different height departments on drying chamber (2) inside wall.
7. A far infrared drying apparatus according to any one of claims 1 to 4, characterized in that: be provided with spiral feeder (10) in drying box (1), the feed end of spiral feeder (10) is located the bottom of drying box (1), and with feed inlet (11) the intercommunication of drying box (1), the discharge end of spiral feeder (10) is located the top of drying box (1), and with the import intercommunication of drying chamber (2), the bottom of drying chamber (2) is provided with discharging pipe (12), discharging pipe (12) with the feed end intercommunication of spiral feeder (10), be provided with valve (13) on discharging pipe (12), lie in on discharging pipe (12) valve (13) with discharge gate (14) have been seted up between drying chamber (2).
8. A far infrared drying apparatus according to any one of claims 1 to 4, characterized in that: the other two inner side walls of the drying chamber (2) are respectively provided with an air inlet (15) and an air outlet (16), a dry air duct (17), a wet air duct (18), a blower (19), an induced draft fan (20) and a controller are arranged outside the drying box body (1),
the one end in dry air wind channel (17) with forced draught blower (19) intercommunication, the other end in dry air wind channel (17) with air intake (15) intercommunication, the one end and draught fan (20) intercommunication in humid air wind channel (18), the other end in humid air wind channel (18) with air outlet (16) intercommunication, forced draught blower (19) and draught fan (20) all with the controller electricity is connected.
9. The far infrared drying apparatus as set forth in claim 8, wherein: a temperature/humidity detector (21) is arranged in the drying chamber (2), and the temperature/humidity detector (21) is electrically connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021430029.0U CN212457825U (en) | 2020-07-20 | 2020-07-20 | Far infrared drying equipment |
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| CN202021430029.0U CN212457825U (en) | 2020-07-20 | 2020-07-20 | Far infrared drying equipment |
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| CN212457825U true CN212457825U (en) | 2021-02-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115435575A (en) * | 2022-08-19 | 2022-12-06 | 农业农村部南京农业机械化研究所 | Grain drying system based on graphene far infrared and air convection coupling |
-
2020
- 2020-07-20 CN CN202021430029.0U patent/CN212457825U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115435575A (en) * | 2022-08-19 | 2022-12-06 | 农业农村部南京农业机械化研究所 | Grain drying system based on graphene far infrared and air convection coupling |
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