CN212619971U - Grid plate type far infrared drying device - Google Patents
Grid plate type far infrared drying device Download PDFInfo
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- CN212619971U CN212619971U CN202021838262.2U CN202021838262U CN212619971U CN 212619971 U CN212619971 U CN 212619971U CN 202021838262 U CN202021838262 U CN 202021838262U CN 212619971 U CN212619971 U CN 212619971U
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Abstract
The utility model relates to a grid plate type far infrared drying device, which comprises a drying box body, a spiral feeder, a vibrating screen, a vibrating motor and a far infrared radiation grid plate, wherein the spiral feeder is arranged outside the drying box body, the outlet of the spiral feeder is connected with a feed inlet arranged at the upper end of the far infrared drying box body through a feed pipeline, the discharge port arranged at the bottom of the drying box body is connected with the feed port of the spiral feeder through a discharge pipeline which is arranged obliquely, a discharge port and a one-way valve arranged at the rear end of the discharge port are respectively arranged on the discharge pipeline, an inlet of the spiral feeder is also connected with a wet material conveying pipe, a vibrating screen is arranged at the top end in the drying box body, the vibrating screen consists of a screen plate main body and screen plate holes, wherein the vibrating motor is arranged at the bottom of the vibrating screen, and at least 2 drying units are arranged below the vibrating screen; the utility model discloses simple structure, under the prerequisite that reduces the energy consumption, promoted the drying efficiency of material and the security of equipment.
Description
Technical Field
The utility model discloses drying equipment technical field especially relates to a grid tray formula far infrared drying device.
Background
Far infrared radiation has the characteristics of high heating speed and high efficiency and no need of medium participation, so the far infrared radiation is widely applied to the heating field, in grain drying machinery, Japan gold agricultural machinery company and Taiwan three agricultural machinery company also introduce a far infrared heating and drying technology, and the specific principle is that far infrared rays can form a certain penetration depth on the surfaces of rice, wheat and corn, and the materials are heated from the inside and the outside simultaneously, so that the moisture in the materials can be quickly diffused to the surface layer. The technology greatly accelerates the drying speed of the materials and improves the energy utilization rate. However, the far infrared drying machines in the market at present all adopt diesel oil combustion as a heat source to raise the temperature of the far infrared emission coating to generate radiation, so that the potential safety hazards of ageing and falling of the far infrared emission coating, reduction of multiple conversion efficiency of combustion energy, easy fire and the like still exist.
In recent years, graphitized carbon materials have been found to have a characteristic of emitting far infrared rays efficiently driven by electric energy of low power density, and thus are applied to the field of material drying; the main working principle of the existing drying equipment for radiating far infrared rays prepared by carbon materials is that materials are conveyed to the highest position in a dryer, then the materials naturally slide down along a diversion trench of a far infrared radiation plate inside the dryer, and the materials are heated and dried by far infrared rays emitted by the far infrared radiation plate while sliding down. Although the electrothermal radiation conversion of the far infrared radiation plate made of the carbon material is high, the residence time of the material on the far infrared radiation plate is too short, the material is difficult to accurately control, and the drying efficiency still has a great space for improvement, so that the patent provides a safe, energy-saving and high-efficiency controllable carbon material grid plate type far infrared drying device.
SUMMERY OF THE UTILITY MODEL
To the problem that prior art exists, the utility model provides a safe, energy-conserving and high-efficient controllable grid tray formula far infrared drying device.
The utility model provides a technical scheme of above technical problem: the utility model provides a grid plate type far infrared drying device, which comprises a drying box body, a spiral feeder, a vibrating screen, a vibrating motor and a far infrared radiation grid plate, wherein the spiral feeder is arranged outside the drying box body, the outlet of the spiral feeder is connected with a feed inlet arranged at the upper end of the far infrared drying box body through a feed pipeline, a discharge port arranged at the bottom of the drying box body is connected with a discharge pipeline arranged by inclination, a discharge port and a check valve arranged at the rear end of the discharge port are respectively arranged on the discharge pipeline, meanwhile, the inlet of the spiral feeder is also connected with a wet material conveying pipeline, the vibrating screen is arranged at the top end inside the drying box body, the vibrating screen comprises a screen plate main body and screen plate holes, the vibrating motor is arranged at the bottom of the vibrating screen, and at least 2 drying units are arranged below the vibrating screen, every drying unit is from last to including drying chamber, defeated material wheel and hydrofuge room down in proper order, the vertical a plurality of far infrared radiation grid tray that is equipped with in the drying chamber, every far infrared radiation grid tray all through the power that the wire connection drying box outside set up, and constitute the passageway that is used for wet material whereabouts between two adjacent far infrared radiation grid trays, be provided with under every passageway defeated material wheel, every be equipped with the vent on the hydrofuge room.
The utility model discloses the technical scheme who further injects does:
the far infrared radiation grid plate is of a three-layer sandwich structure, the upper layer and the lower layer are wear-resistant layers, and the middle layer is an infrared radiation layer.
The wear-resistant layer is made of polyethylene, high-density polyethylene, polytetrafluoroethylene, methyl methacrylate, polyisoprene plastic or toughened glass, is wear-resistant and high in far infrared transmittance, effectively protects the infrared radiation layer on the premise of ensuring normal use of the far infrared radiation grid plate, and avoids reduction of drying efficiency and material pollution caused by abrasion of the infrared radiation layer after long-time use.
The infrared radiation layer is prepared by mixing one or more carbon materials of graphite, expandable graphite, activated carbon, carbon nano tubes, graphene and carbon fibers, the carbon materials are low in resistance, heat conversion and heat transfer efficiency is high, drying efficiency is improved, and energy consumption is reduced.
The drying cabinet is provided with a temperature sensor and a humidity sensor.
The drying box body is provided with an air inlet, the position of the air inlet is consistent with that of a humidity discharging chamber in the drying box, and the air inlet is connected with a blower arranged on the ground through a dry air duct; the air outlet corresponding to the position of the air inlet is arranged on one side of the drying box body opposite to the air inlet, and the air outlet is connected with the draught fan arranged on the ground through the wet air duct, so that uneven pressure of the air in the box body can be balanced, and the purpose of rapid drying is achieved.
The power supply, the vibration motor, the air feeder and the induced draft fan are connected with the spiral feeder, the conveying wheel and the far infrared radiation grid plate respectively.
The utility model has the advantages that: the utility model discloses a far infrared drying sieve plate that has heating function has replaced traditional hot-blast furnace as the heat source, and the electric energy directly converts heat energy and infrared radiation energy into, has changed and has used the traditional drying mode that fuel burning provides heat energy indirectly, has eliminated waste gas, waste residue that the burning produced, energy saving and emission reduction, the utility model discloses be equipped with a plurality of drying units in the drying cabinet, can improve drying efficiency, and the drying chamber comprises a plurality of vertical far infrared radiation grid plates that set up, constitutes the passageway that is used for the wet material whereabouts between two adjacent far infrared radiation grid plates, can persist a large amount of materials, the effectual dry mass that increases equipment; the far infrared ray can start heating from the inside and the surface of the material at the same time, so that the evaporation of water in the material is accelerated, and the dehydration rate is improved; compared with the traditional hot air drying, the grid plate type far infrared drying device can heat materials inside and outside simultaneously, reduces the defects of 'waist explosion', cracking and the like caused by too fast dehydration of the outer layer of the paddy, and keeps the integrity of the materials; the central controller controls the grain conveying wheel, so that the flow of the material can be accurately controlled, the short retention time of the material in the drying chamber can be prevented, and the drying efficiency is reduced; the material conveying wheel can also prevent the material from being damaged due to overlong retention time in the drying chamber, effectively control the drying time of the material to achieve the aim of high-efficiency drying, and meanwhile, the size and the rotating speed of the material conveying wheel can be adjusted to adapt to the requirements of drying different materials;
the utility model is provided with an air inlet and an air outlet on the far infrared drying box body, and is correspondingly provided with an air feeder and an induced draft fan, so that in the process of material drying, the air feeder can continuously feed dry air into the box body through the air inlet, and then the induced draft fan discharges wet air from the air outlet, the air flows in the box body to take away the moisture evaporated from the material, thereby improving the drying efficiency; install temperature sensor and humidity transducer in the drying cabinet, temperature, humidity in the real-time supervision drying cabinet are fed back to central controller, and central controller adjusts the power of far infrared radiation board and the rotational speed of fan in real time according to the data of temperature/humidity detector feedback to avoid the material high temperature.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
fig. 2 is a side view of the present invention;
FIG. 3 is a schematic structural view of a drying unit of the present invention;
FIG. 4 is a schematic structural view of the vibrating screen of the present invention;
FIG. 5 is a schematic view of the structure of the far infrared radiation grid plate of the present invention;
fig. 6 is a top view of the present invention;
in the figure: 1. a wet material inlet; 2. a temperature detector; 3. a moisture detector; 4. a screw feeder; 5. a feed inlet; 6. vibrating screen; 7. a vibration motor; 8. a far infrared radiation grid plate; 9. a grain conveying wheel; 10. a vent; 11. a discharge outlet; 12. A one-way valve; 13. an induced draft fan; 14. a wet air duct; 15. a dry air duct; 16. a central controller; 17. a blower; 18. a material drying chamber; 19. a moisture removal chamber; 20. a delivery pipe; 21. a discharge pipeline; 61. a sieve plate main body; 62. sieve plate holes; 81. a wear layer; 82. an infrared radiation layer; 101. an air outlet; 102. and an air inlet.
Detailed Description
Example 1
The embodiment provides a grid plate type far infrared drying device, the structure is shown in figure 1-6, comprising a drying box body 1, a spiral feeder 4, a vibrating screen 6, a vibrating motor 7, a far infrared radiation grid plate 8 and a central controller 16, the spiral feeder 4 is arranged outside the drying box body 1, the outlet of the spiral feeder is connected with a feeding port 5 arranged at the upper end of the drying box body 1 through a feeding pipeline, a discharging port arranged at the bottom of the drying box body is connected with the feeding port of the spiral feeder through a discharging pipeline 21 which is obliquely arranged, a discharging port 11 and a one-way valve 12 arranged at the rear end of the discharging port are respectively arranged on the discharging pipeline, the inlet of the spiral feeder is also connected with a wet material conveying pipeline 20, the vibrating screen 6 is arranged at the top end inside the drying box body, the vibrating screen is composed of a screen plate main body 61 and screen plate holes 62, the vibrating motor 7, meanwhile, 3 drying units are arranged below the vibrating screen, each drying unit sequentially comprises a drying chamber 18, a material conveying wheel 9 and a moisture exhaust chamber 19 from top to bottom, a plurality of far infrared radiation grid plates are vertically arranged in the drying chamber, each far infrared radiation grid plate is of a three-layer sandwich structure, the upper layer and the lower layer of each far infrared radiation grid plate are wear-resistant layers 81, the middle layer is an infrared radiation layer 82, each wear-resistant layer is made of toughened glass, each infrared radiation layer is made of graphite, each far infrared radiation grid plate is connected with a power supply arranged on the outer side of the drying box body through an electric wire, a channel for falling of wet materials is formed between every two adjacent far infrared radiation grid plates, the width of each channel is 3cm, the material conveying wheel 9 is arranged right below each channel, a temperature sensor 2 and a humidity sensor 3 are arranged on the drying box body, a blower 17 is arranged outside the drying box body, and, the far infrared drying box body side relative with the air intake is provided with air outlet 101, and this air outlet is connected with the draught fan that sets up on the drying box body through humid air wind channel 14, and central controller's input is connected with temperature sensor and humidity transducer's output, and central controller's output is connected with screw feeder, defeated material wheel, power, vibrating motor, forced draught blower and the draught fan that the far infrared radiation grid tray is connected respectively.
In the embodiment, wet materials enter the spiral feeder 4 through the wet material conveying pipe to the inlet of the spiral feeder, reach the feeding hole 5 at the top of the drying box body through the conveying of the spiral feeder 4, reach the vibrating screen 6 through the feeding hole 5 under the action of gravity, the vibrating screen 6 uniformly disperses the materials to the material drying chamber 18 under the driving of the vibrating motor 7, the materials in the drying chamber reach the moisture discharging chamber 19 through the conveying of the grain conveying wheel 9, and the materials in the moisture discharging chamber 19 enter the next drying unit under the action of gravity. Before the materials do not meet the drying requirement, the one-way valve 12 is always in an open state, the discharge port 11 is always in a closed state, the materials reach the bottom of the screw feeder 4 under the action of gravity, and then are conveyed to the feed port 5 through the screw feeder 4 to be dried in a repeated cycle. And closing the valve 12 until the material is dried, opening the discharge port 11, enabling the material to leave the dryer from the discharge port 11 under the action of gravity, and finishing the drying of the material.
This embodiment is in the in-process of carrying out the drying to the material, forced draught blower 17 conveys the outlying dry air of desiccator box to in dry air wind channel 15, under forced draught blower 17's promotion, dry air reachs wet room 19 through air intake 102 and vent, the drier is discharged from wet air wind channel 14 under the traction of draught fan 13 to humid air in the desiccator box through vent and air outlet 101, simultaneously through the temperature of thermodetector 2 and moisture detector 3 real-time supervision material, humidity and feed back to central controller 16, central controller 16 adjusts the operation of far infrared radiation grid tray and fan in real time according to the data of thermodetector feedback, in order to avoid the material impaired.
Example 2
The embodiment provides a grid plate type far infrared drying device, the structure is shown in figure 1-6, comprising a drying box body 1, a spiral feeder 4, a vibrating screen 6, a vibrating motor 7, a far infrared radiation grid plate 8 and a central controller 16, the spiral feeder 4 is arranged outside the drying box body 1, the outlet of the spiral feeder is connected with a feeding port 5 arranged at the upper end of the drying box body 1 through a feeding pipeline, a discharging port arranged at the bottom of the drying box body is connected with the feeding port of the spiral feeder through a discharging pipeline 21 which is obliquely arranged, a discharging port 11 and a one-way valve 12 arranged at the rear end of the discharging port are respectively arranged on the discharging pipeline, the inlet of the spiral feeder is also connected with a wet material conveying pipeline 20, the vibrating screen 6 is arranged at the top end inside the drying box body, the vibrating screen is composed of a screen plate main body 61 and screen plate holes 62, the vibrating motor 7, meanwhile, 3 drying units are arranged below the vibrating screen, each drying unit sequentially comprises a drying chamber 18, a material conveying wheel 9 and a moisture exhaust chamber 19 from top to bottom, a plurality of far infrared radiation grid plates are vertically arranged in the drying chamber, the far infrared radiation grid plates are of a three-layer sandwich structure, the upper layer and the lower layer of the far infrared radiation grid plates are wear-resistant layers 81, the middle layer of the far infrared radiation grid plates is an infrared radiation layer 82, the wear-resistant layers are made of polytetrafluoroethylene, the infrared radiation layers are made of carbon nano tube materials, each far infrared radiation grid plate is connected with a power supply arranged on the outer side of the drying box body through an electric wire, a channel for falling wet materials is formed between every two adjacent far infrared radiation grid plates, the width of the channel is 3cm, the material conveying wheel 9 is arranged right below each channel, a temperature sensor 2 and a humidity sensor 3 are arranged on the drying box body, a blower 17 is arranged outside, the far infrared drying box body side relative with the air intake is provided with air-out 101 mouthful, and this air outlet is connected with the draught fan that sets up on the drying box body through humid air wind channel 14, and central controller's input is connected with temperature sensor and humidity transducer's output, and central controller's output is connected with screw feeder, defeated material wheel, power, vibrating motor, forced draught blower and the draught fan that the far infrared radiation grid tray is connected respectively.
Example 3
The embodiment provides a grid plate type far infrared drying device, the structure is shown in figure 1-6, comprising a drying box body 1, a spiral feeder 4, a vibrating screen 6, a vibrating motor 7, a far infrared radiation grid plate 8 and a central controller 16, the spiral feeder 4 is arranged outside the drying box body 1, the outlet of the spiral feeder is connected with a feeding port 5 arranged at the upper end of the drying box body 1 through a feeding pipeline, a discharging port arranged at the bottom of the drying box body is connected with the feeding port of the spiral feeder through a discharging pipeline 21 which is obliquely arranged, a discharging port 11 and a one-way valve 12 arranged at the rear end of the discharging port are respectively arranged on the discharging pipeline, the inlet of the spiral feeder is also connected with a wet material conveying pipeline 20, the vibrating screen 6 is arranged at the top end inside the drying box body, the vibrating screen is composed of a screen plate main body 61 and screen plate holes 62, the vibrating motor 7, meanwhile, 3 drying units are arranged below the vibrating screen, each drying unit sequentially comprises a drying chamber 18, a material conveying wheel 9 and a moisture exhaust chamber 19 from top to bottom, a plurality of far infrared radiation grid plates are vertically arranged in the drying chamber, each far infrared radiation grid plate is of a three-layer sandwich structure, the upper layer and the lower layer of each far infrared radiation grid plate are wear-resistant layers 81, the middle layer of each far infrared radiation grid plate is an infrared radiation layer 82, each wear-resistant layer is made of high-density polyethylene, each infrared radiation layer is made of graphene materials, each far infrared radiation grid plate is connected with a power supply arranged on the outer side of the drying box body through an electric wire, a channel for falling wet materials is formed between every two adjacent far infrared radiation grid plates, the width of each channel is 3cm, the material conveying wheel 9 is arranged right below each channel, a temperature sensor 2 and a humidity sensor 3 are arranged in the drying box body, a blower 17 is arranged outside the, the far infrared drying box body side relative with the air intake is provided with air-out 101 mouthful, and this air outlet is connected with the draught fan that sets up on the drying box body through humid air wind channel 14, and central controller's input is connected with temperature sensor and humidity transducer's output, and central controller's output is connected with screw feeder, defeated material wheel, power, vibrating motor, forced draught blower and the draught fan that the far infrared radiation grid tray is connected respectively.
In addition to the above embodiments, the present invention can also have other embodiments, and all technical solutions formed by equivalent replacement or equivalent transformation are all within the protection scope claimed in the present invention.
Claims (7)
1. The utility model provides a grid tray formula far infrared drying device, includes dry box, screw feeder, shale shaker, vibrating motor and far infrared radiation grid tray, its characterized in that: the outer side of the drying box body is provided with a spiral feeder, the outlet of the spiral feeder is connected with the feed inlet arranged at the upper end of the far infrared drying box body through a feed pipeline, the discharge outlet arranged at the bottom of the drying box body is connected with the feed inlet of the spiral feeder through a discharge pipeline arranged obliquely, a discharge hole and a one-way valve arranged at the rear end of the discharge hole are respectively arranged on the discharge pipeline, meanwhile, the inlet of the spiral feeder is also connected with a wet material conveying pipeline, the top end inside the drying box body is provided with a vibrating screen which is composed of a screen plate main body and a screen plate hole, the bottom of the vibrating screen is provided with a vibrating motor, at least 2 drying units are arranged below the vibrating screen, each drying unit sequentially comprises a drying chamber, a conveying wheel and a moisture discharging chamber from top to bottom, a plurality of far infrared radiation grid plates are vertically arranged, each far infrared radiation grid plate is connected with a power supply arranged on the outer side of the drying box body through an electric wire, a channel for falling of wet materials is formed between every two adjacent far infrared radiation grid plates, the material conveying wheel is arranged right below each channel, and each moisture exhaust chamber is provided with a ventilation opening.
2. The cascade far infrared drying apparatus as set forth in claim 1, wherein: the far infrared radiation grid plate is of a three-layer sandwich structure, the upper layer and the lower layer are wear-resistant layers, and the middle layer is an infrared radiation layer.
3. The cascade far infrared drying apparatus as set forth in claim 2, wherein: the wear-resistant layer is made of polyethylene, high-density polyethylene, polytetrafluoroethylene, methyl methacrylate, polyisoprene plastic or toughened glass.
4. The cascade far infrared drying apparatus as set forth in claim 1, wherein: the drying box body is provided with a temperature sensor and a humidity sensor.
5. The cascade far infrared drying apparatus as set forth in claim 1, wherein: the drying box body is provided with an air inlet, the position of the air inlet is consistent with that of a wet exhaust chamber in the drying box, and the air inlet is connected with a blower installed on the ground through a dry air duct.
6. The cascade far infrared drying apparatus as set forth in claim 5, wherein: and one side of the drying box body opposite to the air inlet is provided with an air outlet corresponding to the position of the drying box body, and the air outlet is connected with an induced draft fan arranged on the ground through a wet air duct.
7. The cascade far infrared drying apparatus as set forth in claim 6, wherein: the device is characterized by further comprising a central controller, wherein the input end of the central controller is connected with the output ends of the temperature sensor and the humidity sensor, and the output end of the central controller is connected with a power supply, a vibration motor, a blower and a draught fan, wherein the power supply, the vibration motor, the blower and the draught fan are connected with the spiral feeder, the conveying wheel and the far infrared radiation grid plate respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021838262.2U CN212619971U (en) | 2020-08-28 | 2020-08-28 | Grid plate type far infrared drying device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021838262.2U CN212619971U (en) | 2020-08-28 | 2020-08-28 | Grid plate type far infrared drying device |
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| CN212619971U true CN212619971U (en) | 2021-02-26 |
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| CN202021838262.2U Active CN212619971U (en) | 2020-08-28 | 2020-08-28 | Grid plate type far infrared drying device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022041304A1 (en) * | 2020-08-28 | 2022-03-03 | 南京源昌新材料有限公司 | Adjustable grid plate-type far-infrared drying device |
| 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
- 2020-08-28 CN CN202021838262.2U patent/CN212619971U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022041304A1 (en) * | 2020-08-28 | 2022-03-03 | 南京源昌新材料有限公司 | Adjustable grid plate-type far-infrared drying device |
| 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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