Grain drying tower with dust removal function
By employing a positive pressure air intake, air filtration, and circulating heating structure, combined with a rotary material guide design, the problems of unclean air and unstable temperature in grain drying towers are solved, achieving clean drying, energy saving, environmental protection, and automated operation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-03-27
AI Technical Summary
Existing grain drying towers cannot achieve clean air circulation, resulting in unclean grain and unstable temperature.
The system employs a positive pressure air intake structure and an air filter plate to filter the air. Combined with a circulating heating structure and a rotary material guide structure, it ensures clean air and circulates and heats the air. Resistance heating tubes and detection sensors are used to regulate temperature and air pressure. The rotary material guide structure increases the grain residence time and movement complexity.
It achieves clean drying of grains, maintains stable temperature, improves energy utilization, reduces energy consumption, increases the uniform heating effect of grains, and realizes automated operation.
Smart Images

Figure CN224050956U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of drying tower, concretely is a grain drying tower with dust removal function. BACKGROUND
[0002] The utility model relates to the technical field, and the grain drying tower is a kind of equipment specially used for grain drying, and its main functions include removing moisture in grain, to prevent mildew and rot. Through hot air circulation, the equipment can effectively reduce the moisture content of grain, and has temperature control and uniform drying capacity, ensure that different types of grain are heated evenly in the drying process, so that its quality is maintained. Modern grain drying tower also uses high-efficiency heat exchange technology, can reduce energy consumption, achieve the effect of energy saving and environmental protection.
[0003] The significance of grain drying tower lies in prolonging the shelf life of grain and improving economic benefits. Through effective drying, grain is easier to store, reduces loss during storage, so as to have higher competitiveness in market. In addition, the popularization of grain drying technology helps to improve the agricultural production level in rural areas, promotes local economic development, and plays an important role in ensuring food security. Overall, grain drying tower is an important tool for improving grain quality and economic benefits in modern agriculture.
[0004] The existing technical scheme cannot circulate and clean air supply, so that the grain remains clean and the temperature is stable. UTILITY MODEL CONTENT
[0005] In view of the deficiency of prior art, the utility model provides a grain drying tower with dust removal function, which solves the technical problem that the existing technical scheme cannot circulate and clean air supply, so that the grain remains clean and the temperature is stable.
[0006] In order to achieve the above object, the utility model discloses a kind of grain drying tower with dust removal function, including main pedestal, circulating heat supply structure is installed on the main pedestal, positive pressure air inlet structure is installed in the input end of circulating hot gas structure;Fixed mounting is equipped on the main pedestal with discharge seat, discharge structure is installed in the discharge seat, rotating guide structure is installed on the discharge seat, and the rotating guide structure includes multiple first and last installation guide tower unit, fixed mounting is equipped on the upper end of rotating guide structure with feeding structure, the sidewall of guide tower unit is provided with air inlet, the sidewall of discharge seat is provided with circulation port, the air inlet of circulating heat supply structure is connected on the circulation port, the air outlet of circulating heat supply structure is connected on the air inlet, and the air inlet structure is transported clean and more than the gas that can be discharged gas partial loss of gas, so that the inside of drying tower keeps high air pressure, so that external gas cannot enter drying tower except through positive pressure air inlet structure, circulating heat supply structure is heated to the temperature that can be dried after cold gas and sent cold air, and clean air is circulated and transported, energy is saved and clean effect is maintained, grain particles enter tower through feeding structure, and are guided through rotating guide structure.
[0007] Preferably, the circulating heat supply structure includes a heat supply box, one end of the heat supply box is provided with a front end pipe, a three-way regulating valve is arranged in the front end pipe, an input end of the three-way regulating valve is connected to the circulation port, another input end of the three-way regulating valve is connected to an output end of the positive pressure air inlet structure, and an output end of the three-way regulating valve is connected to the heat supply box. A gas sending fan is fixedly installed in the heat supply box, and a resistance electric heating pipe is fixedly installed in the heat supply box. A rear end pipe is arranged at the upper end of the heat supply box, and the rear end pipe is connected to the air inlet of the guide tower unit. A humidity temperature and air pressure detection sensor is arranged in the equipment, an operator sets a controller, when the humidity is too high, dry air filtered from the outside is introduced, when the temperature is too high, the heat of the resistance electric heating pipe is reduced, and clean cold air from the outside is introduced, when the temperature is too low, the heat of the resistance electric heating pipe is increased, and the amount of hot air introduced is reduced, and when the air pressure is too low, the amount of air introduced from the outside is increased. The above control process is controlled by the three-way regulating valve. The cold air in the drying tower is discharged from the feeding structure and the discharge structure, some warm air is circulated through the circulation port, becomes hot air by the gas sending fan and the resistance electric heating pipe, and is re-introduced into the drying tower for continuous drying of grain.
[0008] Preferably, the positive pressure air inlet structure includes an air inlet box, the air inlet box is fixedly installed above the heat supply box, a filter plate is fixedly installed in the air inlet box, a gas sending pump is arranged at the output end of the air inlet box, and the output end of the gas sending pump is connected to the input end of the three-way regulating valve. The filter plate filters dust and humid water vapor, clean and dry cold air is introduced, and the gas pressure in the drying tower is greater than the external air pressure by the gas sending pump.
[0009] Preferably, the material guiding tower unit comprises an outer tower barrel, an upper support and a lower support fixedly installed in the outer tower barrel, an upper rotating body rotatably installed on the upper support, and a lower rotating body installed on the lower support, the upper rotating body is a conical body, a spiral rib is formed on the upper rotating body, the lower rotating body is a lower concave annular plate, a leakage prevention ring plate is arranged between the upper rotating body and the lower rotating body in the outer tower barrel, and a driving part is fixedly installed outside the outer tower barrel, compared with a traditional isolation rod, the rotating upper rotating body and lower rotating body increase the drying effect of the grain and the residence time of the grain in the drying tower, and the travel path of the grain is more complex.
[0010] Preferably, the driving part comprises a double-shaft motor fixedly installed on the side wall of the outer tower barrel, a driving sprocket fixedly installed on the upper end of the double-shaft motor, a driven sprocket fixedly installed on the lower wall of the upper rotating body, a transmission chain meshedly connected to the driving sprocket and the driven sprocket, a driving gear fixedly installed on the lower end of the double-shaft motor, a transmission gear rotatably installed in the outer tower barrel, and a driven gear ring fixedly installed on the lower wall of the lower rotating body, the driving gear is meshedly connected to the transmission gear, and the transmission gear is meshedly connected to the driven gear ring, the double-shaft motor drives the driving sprocket to rotate, the transmission chain drives the driven sprocket to rotate, and the upper rotating body is further driven to rotate, the double-shaft motor drives the driving gear to rotate, the transmission gear is further driven to rotate, and the driven gear ring is driven to rotate, and the lower rotating body is driven to rotate by the driven gear ring, the rotation of the upper rotating body and the lower rotating body enables the grain to be dried through complex movement, increases the movement distance, and improves the drying effect.
[0011] Preferably, the discharging structure comprises a pair of discharging electric rollers, the pair of discharging electric rollers are rotatably installed in the discharging seat, and a discharging conveyor belt is connected to the pair of discharging electric rollers, so as to automatically discharge the grain.
[0012] Preferably, the feeding structure comprises an upper tower cover and a pair of feeding electric rollers, the upper tower cover is fixedly installed on the upper end of the rotating material guiding structure, the pair of feeding electric rollers are rotatably installed in the upper tower cover, and a feeding conveyor belt is connected to the pair of feeding electric rollers, so as to automatically feed the grain, and the rotation speed of the electric rollers affects the feeding speed.
[0013] Advantages
[0014] The utility model provides a kind of grain drying tower with dust removal function, the utility model discloses by positive pressure air intake structure and filter plate, effectively remove dust and water vapor in air, ensure that the air clean of entering drying tower, protect grain quality;The application of circulation heat supply structure and heat exchange technology makes that energy utilization rate is high, reduces energy consumption, meets the requirement of energy saving and environmental protection;The design of rotary material guiding structure increases the residence time and movement complexity of grain in tower, to improve drying effect, ensure that different types of grain are heated uniformly;Feeding and discharge structure electric cylinder and conveyer belt system realize automatic operation, improve work efficiency, reduce manpower cost;By positive pressure air intake, drying tower inside always maintains high air pressure, prevent external pollutant from entering, further improve the drying quality of grain. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 It is the main view cross section structure schematic diagram of the utility model discloses a kind of grain drying tower with dust removal function.
[0016] Fig. 2 It is the cross section local structure schematic diagram of the utility model discloses a kind of grain drying tower with dust removal function.
[0017] Fig. 3 It is the upper rotary body structure schematic diagram of the utility model discloses a kind of grain drying tower with dust removal function.
[0018] In the drawing: 1, main pedestal;2, discharge seat;3, air inlet;4, circulation port;5, heat supply box;6, three-way regulating valve;7, air supply fan;8, resistance electric heating tube;9, air inlet box;10, filter plate;11, air supply pump;12, outer tower cylinder;13, upper support;14, lower support;15, upper rotary body;16, lower rotary body;17, leakage prevention ring plate;18, double-shaft motor;19, driving sprocket;20, driven sprocket;21, transmission chain;22, driving gear;23, transmission gear;24, driven gear ring;25, discharge electric cylinder;26, discharge conveyer belt;27, feeding electric cylinder;28, feeding conveyer belt;29, upper tower cover; DETAILED DESCRIPTION
[0019] To further illustrate the technical means and effects taken by the utility model to achieve the predetermined utility model purposes, the technical solutions in the embodiments of the utility model will be described clearly and completely in the following with reference to the drawings in the embodiments of the utility model, and apparently the described embodiments are only a part of the embodiments of the utility model, not all the embodiments, and detailed description is as follows.
[0020] Please refer to Figs. 1-3The utility model provides a technical scheme: a grain drying tower with dust removal function, including main base 1, the main base 1 is installed with circulating heat supply structure, and the circulating heat supply structure input end is installed with positive pressure air inlet structure, the main base 1 is fixedly installed with the discharge seat 2, the discharge seat 2 is installed with the discharge structure, the discharge seat 2 is installed with rotary material guiding structure, the rotary material guiding structure includes a plurality of first and last installation's material guiding tower unit, the rotary material guiding structure upper end is fixedly installed with the feeding structure, the material guiding tower unit side wall surface is provided with air inlet 3, the discharge seat 2 side wall surface is provided with circulation 4, the circulating heat supply structure air inlet end is connected on the circulation 4, the circulating heat supply structure air outlet end is connected on the air inlet 3, and the positive pressure air inlet structure can send the air of greater air volume than the gas that can be discharged gas part dissipates, so that the inside of drying tower keeps high air pressure all the time, so that the external gas cannot enter the drying tower except through the positive pressure air inlet structure, and the circulating heat supply structure is heated to the temperature that can dry after the cold gas and the cold air sent are heated to the temperature that can dry, and the clean air is circulated and transported, energy is saved, and the cleaning effect is kept, and the grain particles enter the tower through the feeding structure and are guided through the rotary material guiding structure.
[0021] The utility model further provides that the circulating heat supply structure includes heat supply box 5, one end of heat supply box 5 is provided with front end pipe, three-way regulating valve 6 is arranged in front end pipe, the input end of three-way regulating valve 6 is connected on circulation 4, another input end of three-way regulating valve 6 is connected on the output end of positive pressure air inlet structure, the output end of three-way regulating valve 6 is connected in heat supply box 5, air fan 7 is fixedly installed in heat supply box 5, resistance electric heating tube 8 is fixedly installed in heat supply box 5, rear end pipe is arranged on the upper end of heat supply box 5, and rear end pipe is connected on the air inlet 3 of material guiding tower unit, and humidity temperature and air pressure detection sensor are arranged in the equipment, and the controller is set by operator, dry air of filtered air in outside is introduced when detecting that humidity is too high, the heat of resistance electric heating tube 8 is reduced, and clean cold air in outside is introduced when detecting that temperature is too high, the heat of resistance electric heating tube 8 is increased, and the amount of hot air sent is reduced when detecting that temperature is too low, and the amount of air introduced in outside is increased when detecting that air pressure is too low, and the above-mentioned control process is controlled by three-way regulating valve 6, and the cold air in drying tower is discharged from feeding structure and discharge structure, some warm air is circulated through circulation 4, becomes hot air circulation through air fan 7 and resistance electric heating tube 8, and reenters drying tower and continues to dry grain.
[0022] The embodiment is further provided with the positive pressure air inlet structure, which comprises an air inlet box 9 fixedly installed above the heat supply box 5, a filter plate 10 fixedly installed in the air inlet box 9, and a gas feeding pump 11 arranged at the output end of the air inlet box 9 and connected to the input end of the three-way regulating valve 6. The filter plate 10 filters dust and humid water vapor, and feeds clean and dry cold air. The gas feeding pump 11 makes the gas pressure inside the drying tower greater than the external gas pressure.
[0023] The embodiment is further provided with the material guiding tower unit, which comprises an outer tower cylinder 12, an upper support 13 and a lower support 14 fixedly installed in the outer tower cylinder 12, an upper rotating body 15 rotatably installed on the upper support 13, a lower rotating body 16 installed on the lower support 14, the upper rotating body 15 in the shape of a circular cone, the upper rotating body 15 being provided with spiral edges, the lower rotating body 16 in the shape of a concave annular plate, and a leakage prevention ring plate 17 arranged between the upper rotating body 15 and the lower rotating body 16 in the outer tower cylinder 12. A driving part is fixedly installed outside the outer tower cylinder 12. The upper rotating body 15 and the lower rotating body 16 rotate, which, compared with the traditional isolation rod, increases the drying effect of the grain and the residence time of the grain in the drying tower, and the grain walking path is more complex.
[0024] The embodiment is further provided with the driving part, which comprises a double-shaft motor 18 fixedly installed on the side wall of the outer tower cylinder 12, a driving sprocket 19 fixedly installed on the upper end of the double-shaft motor 18, a driven sprocket 20 fixedly installed on the lower wall of the upper rotating body 15, a transmission chain 21 meshingly connected to the driving sprocket 19 and the driven sprocket 20, a driving gear 22 fixedly installed on the lower end of the double-shaft motor 18, a transmission gear 23 rotatably installed in the outer tower cylinder 12, and a driven gear ring 24 fixedly installed on the lower wall of the lower rotating body 16. The driving gear 22 is meshingly connected to the transmission gear 23, and the transmission gear 23 is meshingly connected to the driven gear ring 24. The double-shaft motor 18 drives the driving sprocket 19 to rotate, the transmission chain 21 drives the driven sprocket 20 to rotate, and the upper rotating body 15 is further driven to rotate. The double-shaft motor 18 drives the driving gear 22 to rotate, the transmission gear 23 is further driven to rotate, and the driven gear ring 24 is further driven to rotate, thereby driving the lower rotating body 16 to rotate. The rotation of the upper rotating body 15 and the lower rotating body 16 makes the grain be dried through complex movement, increases the movement path, and improves the drying effect.
[0025] The embodiment is further provided with the material discharging structure, which comprises a pair of material discharging electric rollers 25 rotatably installed in the material discharging seat 2 and connected to a material discharging conveyor belt 26 for automatically discharging the material.
[0026] The embodiment is further provided with a feeding structure, which comprises an upper tower cover 29 fixedly installed on the upper end of the rotary material guiding structure and a pair of feeding motorized rollers 27 rotatably installed in the upper tower cover 29, and a feeding conveyor belt 28 connected to the feeding motorized rollers 27 for automatic feeding, the rotation speed of the motorized rollers affecting the feeding speed.
[0027] The detailed connection means is a known technology in the art; for example, Figs. 1-3 As shown, it is ensured that the equipment has been correctly connected to the power supply and that the power supply voltage meets the requirements. The condition of the filter plate 10 in the air inlet box 9 is checked to ensure that there is no blockage or damage. The inside of the drying tower is cleaned, especially the feeding structure, the discharging structure and the air outlet, to ensure that it is clean and free of residues; the grain is poured into the feeding structure at the top of the equipment; according to the type and moisture content of the grain, the rotation speed of the feeding motorized rollers 27 is adjusted to control the feeding amount and progress of the grain. The controller of the equipment is turned on, and the circulating heating structure, the air supply system and the detection sensor are started. The three-way regulating valve 6 is adjusted to allow external air or circulating air to enter the heating box 5 according to the requirements.
[0028] The humidity, temperature and air pressure detection sensors inside the equipment monitor the environmental conditions in real time. If the humidity is too high, the three-way regulating valve 6 will introduce dry air filtered from the outside. If the temperature is too high, the heat of the resistance heating tube 8 will be reduced, and external cold air will be introduced to reduce the temperature. If the temperature is too low, the heating of the heating tube will be increased, and the amount of cold air introduced will be reduced. Through the air supply pump 11 and the resistance heating tube 8, the equipment will heat the cooled circulating gas and the introduced cold air again before sending them into the equipment, ensuring that the internal temperature is stable and the gas is clean. The grain moves complexly in the tower through the upper rotating body 15 and the lower rotating body 16 in the rotary material guiding structure. Through this complex movement, the grain increases the contact area and time with hot gas, making the drying more thorough.
[0029] The dried grain is automatically discharged through the discharging motorized roller 25 at the bottom of the discharging seat 2 and the conveyor belt. The discharging conveyor speed can be adjusted to ensure that the discharging process is orderly and the grain is not damaged. The changes in temperature, humidity and air pressure on the display screen of the equipment are monitored. If there is an abnormality (such as low air pressure or abnormal temperature), the system will issue an alarm, and the operator can adjust it in time.
[0030] After drying is completed, the power supply of the equipment is turned off, and the feeding and discharging conveyor belts 26 are stopped.
[0031] The inside of the drying tower is cleaned, especially the residues in the rotary material guiding structure and the circulating heating structure, to prevent damage to the equipment or reduce its efficiency due to long-term accumulation.
[0032] It should be noted that the relational terms herein, such as first and second, and the like, are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual relationship or order between such entities or actions.
[0033] The above is only the preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as above with the preferred embodiment, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content without departing from the technical solution of the present application, and make equivalent embodiments with equivalent changes. Any modification, equivalent change and modification of the above embodiments made according to the technical essence of the present application still belong to the scope of the technical solution of the present application.
Claims
1. A grain drying tower with dust removal function, comprising a main base (1), characterized in that, The main base (1) is provided with a circulating heat supply structure, and a positive pressure air inlet structure is arranged at the input end of the circulating heat supply structure; a discharging seat (2) is fixedly arranged on the main base (1), a discharging structure is arranged in the discharging seat (2), a rotary material guiding structure is arranged on the discharging seat (2), the rotary material guiding structure comprises a plurality of material guiding tower units which are arranged in series, a feeding structure is fixedly arranged at the upper end of the rotary material guiding structure, an air inlet (3) is arranged on the side wall of the material guiding tower unit, a circulating port (4) is arranged on the side wall of the discharging seat (2), the circulating heat supply structure is connected to the circulating port (4) at the air inlet end, and the circulating heat supply structure is connected to the air inlet (3) at the air outlet end.
2. The grain drying tower with dust removal function according to claim 1, characterized in that The circulating heat supply structure comprises a heat supply box (5), one end of the heat supply box (5) is provided with a front end pipe, a three-way adjusting valve (6) is arranged in the front end pipe, the three-way adjusting valve (6) is connected to the circulating port (4) at the input end, another input end of the three-way adjusting valve (6) is connected to the output end of the positive pressure air inlet structure, the output end of the three-way adjusting valve (6) is connected to the heat supply box (5), a gas sending fan (7) is fixedly arranged in the heat supply box (5), an electric resistance heating pipe (8) is fixedly arranged in the heat supply box (5), and a rear end pipe is arranged at the upper end of the heat supply box (5) and connected to the air inlet (3) of the material guiding tower unit.
3. The grain drying tower with dust removal function according to claim 2, characterized in that The positive pressure air inlet structure comprises an air inlet box (9), the air inlet box (9) is fixedly arranged above the heat supply box (5), a gas filtering plate (10) is fixedly arranged in the air inlet box (9), and a gas sending pump (11) is arranged at the output end of the air inlet box (9) and connected to the input end of the three-way adjusting valve (6).
4. The grain drying tower with dust removal function according to claim 2, characterized in that The material guiding tower unit comprises an outer tower cylinder (12), an upper support (13) and a lower support (14) are fixedly arranged in the outer tower cylinder (12), an upper rotating body (15) is rotatably arranged on the upper support (13), a lower rotating body (16) is arranged on the lower support (14), the upper rotating body (15) is in the shape of a cone, a spiral rib is arranged on the upper rotating body (15), the lower rotating body (16) is in the shape of a concave annular plate, a leakage preventing ring plate (17) is arranged between the upper rotating body (15) and the lower rotating body (16) in the outer tower cylinder (12), and a driving part is fixedly arranged outside the outer tower cylinder (12).
5. The grain drying tower with dust removal function according to claim 4, characterized in that The driving part comprises a double-shaft motor (18) fixedly installed on the side wall of the outer tower cylinder (12), a driving sprocket (19) fixedly installed on the upper driving end of the double-shaft motor (18), a driven sprocket (20) fixedly installed on the lower wall of the upper rotating body (15), a transmission chain (21) meshingly connected on the driving sprocket (19) and the driven sprocket (20), a driving gear (22) fixedly installed on the lower driving end of the double-shaft motor (18), a transmission gear (23) rotatably installed in the outer tower cylinder (12), and a driven gear ring (24) fixedly installed on the lower wall of the lower rotating body (16), wherein the driving gear (22) is meshingly connected with the transmission gear (23), and the transmission gear (23) is meshingly connected with the driven gear ring (24).
6. The grain drying tower with dust removal function according to claim 1, characterized in that The discharging structure comprises a pair of discharging electric rollers (25) rotatably installed in the discharging seat (2), and a discharging conveyor belt (26) connected on the pair of discharging electric rollers (25).
7. The grain drying tower with dust removal function according to claim 1, characterized in that The feeding structure comprises an upper tower cover (29) fixedly installed on the upper end of the rotating material guiding structure, and a pair of feeding electric rollers (27) rotatably installed in the upper tower cover (29), and a feeding conveyor belt (28) connected on the pair of feeding electric rollers (27).