CN215413042U - Energy-conserving grain drier circulates - Google Patents
Energy-conserving grain drier circulates Download PDFInfo
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- CN215413042U CN215413042U CN202120665231.XU CN202120665231U CN215413042U CN 215413042 U CN215413042 U CN 215413042U CN 202120665231 U CN202120665231 U CN 202120665231U CN 215413042 U CN215413042 U CN 215413042U
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Abstract
A circulating energy-saving grain drier comprises a storage bin, a heat supply bin and a backflow exhaust bin, wherein the heat supply bin and the backflow exhaust bin are respectively positioned at two sides of the storage bin, the storage bin is provided with a grain inlet and heating pipes, the heating pipes are uniformly distributed at equal intervals from top to bottom, two adjacent layers of heating pipes are staggered mutually, an air heater is arranged in the heat supply bin, the bottom of the heat supply bin is provided with an air inlet selector valve, the top of the backflow exhaust bin is provided with an exhaust valve and an exhaust port, the bottom of the backflow exhaust bin is provided with a backflow valve, the backflow valve is connected with the air inlet selector valve through a pipeline, the outer side of the bottom of the storage bin is provided with an electric control box, the heating of the air heater and the combined application of the air inlet selector valve and the exhaust valve backflow valve are controlled through the electric control box, the heating air circularly flows in the heat supply bin, the storage bin and the backflow exhaust bin, the heat loss of the hot air and the continuous high-power heating of the air heater are reduced, the drying effect of the grain materials is ensured, energy is saved, consumption is reduced, and the economical applicability is good.
Description
Technical Field
The utility model belongs to the technical field of grain drying equipment, and particularly relates to a circulating energy-saving grain drying machine.
Background
Various grains harvested in agriculture are subjected to dehumidification and drying treatment, and the purpose of the dehumidification and drying treatment is to reduce the internal moisture and the total moisture content of the grains, so that the energy consumed by the self-respiration of the grains can be reduced by reducing the moisture content, and the germination and the mildew of the grains caused by overhigh moisture content are avoided. In the prior art, a grain drying machine is mainly adopted for large-scale grain drying, has the advantages of short dehydration time and high drying treatment efficiency, effectively ensures the quality of grain storage, reduces the probability of grain mildew and germination, plays a vital role in ensuring grain safety, and is rapidly developed in recent years and is more and more popular with users.
In the prior art, the practical and more cereal drying method is an air convection drying method, namely, the cereal is heated by flowing dry heating air, redundant moisture in the cereal is removed in the air circulation process, and then the drying requirement of the cereal is realized, the air convection mode needs long-time heat supply, the cereal flows out and is accompanied with heat loss in the gas emission process, but the falling rate is faster when the cereal is dried, the reaction time of the hot air and the cereal is limited, the drying uniformity is poor, the drying effect is general, multiple circulation drying is often needed, the drying efficiency is low, the drying effect is general, the problem of large energy loss is solved, the biological characteristics of the cereal can be even destroyed in serious cases, and normal use and storage are influenced.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a circulating energy-saving grain drying machine.
In order to solve the problems, the technical scheme adopted by the utility model is as follows:
a circulating energy-saving grain drier comprises a storage bin, a heat supply bin and a backflow exhaust bin, wherein the storage bin is a vertically installed cylindrical bin body, the heat supply bin and the backflow exhaust bin are respectively positioned on two sides of the storage bin, the storage bin is provided with a grain inlet and a heating pipe, the grain inlet is positioned at the top of the storage bin, the heating pipe is a triangular column pipe horizontally communicated with two side walls of the storage bin, the heating pipes are uniformly distributed at equal intervals from top to bottom, the adjacent two layers of heating pipes are mutually staggered, the heat supply bin is a closed vertical cavity, an air heater is arranged in the heat supply bin, the bottom of the heat supply bin is provided with an air inlet selector valve, the air inlet selector valve is connected with an external air pipeline, the backflow exhaust bin is a vertical rectangular cavity, the top of the backflow exhaust bin is provided with an exhaust valve and an exhaust port, the bottom of the backflow exhaust bin is provided with a backflow valve, and the backflow valve is connected with the air inlet selector valve pipeline, and an electrical control box is arranged on the outer side of the bottom of the storage bin and is electrically connected with the air heater, the air inlet selector valve, the exhaust valve and the reflux valve respectively.
Further, be connected one side top-down equidistant and be equipped with horizontally maintenance landing stage in the storehouse with the storage silo is arranged in the backward flow, overhaul the landing stage outside and be equipped with the guardrail, storage silo, heat supply storehouse and backward flow exhaust storehouse outside top-down equidistant level are equipped with the maintenance gallery road, are equipped with the connection staircase between the upper and lower layer maintenance gallery road, and the maintenance gallery road is located same horizontal position with the maintenance landing stage respectively, and the maintenance landing stage department that the backward flow exhaust storehouse outer wall corresponds is equipped with the access door, is equipped with sealed door between access door and the bulkhead.
Further, discharge valve is located backward flow exhaust storehouse top outer end, and is equipped with two at least, and discharge valve bottom inboard is equipped with the guide plate, and the vertical slope of guide plate is installed between discharge valve and top maintenance trestle.
Further, be equipped with multiunit temperature sensor in heat supply storehouse and the backward flow exhaust storehouse, be equipped with multiunit humidity transducer in storage silo and the backward flow exhaust storehouse, be equipped with baroceptor in the backward flow exhaust storehouse, electrical control box respectively with temperature sensor, humidity transducer, baroceptor electric connection.
Further, a grain discharging mechanism is arranged at the bottom of the storage bin and electrically connected with the electrical control box, and a guide hopper is arranged at the bottom of the grain discharging mechanism.
Furthermore, the storage bin, the heating bin and the bottom of the backflow exhaust bin are provided with supporting leg frames at equal elevations.
Compared with the prior art, the utility model has the following implementation effects:
according to the circulating energy-saving grain dryer, the heating of the air heater and the combined application of the air inlet selection valve and the exhaust valve backflow valve are controlled by the electric control box, so that the heating gas circularly flows in the heat supply bin, the storage bin and the backflow exhaust bin, the heat loss of the hot air and the continuous high-power heating of the air heater are reduced, the grain drying efficiency and effect are ensured, the energy is saved, the consumption is reduced, and the economical applicability is good.
Drawings
FIG. 1 is a schematic view of a circulation energy-saving grain dryer according to the present invention;
FIG. 2 is a schematic view of the external structure of a circulation energy-saving grain dryer according to the present invention;
FIG. 3 is a schematic view of the arrangement structure of the heating pipe of the present invention.
Detailed Description
The present invention will be described with reference to specific examples.
As shown in fig. 1, 2 and 3, the energy-saving circulating grain drier comprises a storage bin 1, a heat supply bin 2 and a return exhaust bin 3, wherein the storage bin 1 is a vertically installed cylindrical bin body, the heat supply bin 2 and the return exhaust bin 3 are respectively positioned at two sides of the storage bin 1, the storage bin 1 is provided with a grain inlet 4 and a heating pipe 5, the grain inlet 4 is positioned at the top of the storage bin 1, the heating pipe 5 is a triangular column pipe horizontally communicated with two side walls of the storage bin 1, the heating pipes 5 are uniformly distributed at equal intervals from top to bottom, two adjacent layers of heating pipes 5 are staggered with each other, the heat supply bin 2 is a closed vertical cavity, an air heater 6 is arranged in the heat supply bin 2, the bottom of the heat supply bin 2 is provided with an air inlet selector valve 7, the air inlet selector valve 7 is connected with an external air pipeline, the return exhaust bin 3 is a vertical rectangular cavity, the top of the return exhaust bin 3 is provided with an exhaust valve 8 and an exhaust port 9, the bottom of the backflow exhaust bin 3 is provided with a backflow valve 10, the backflow valve 10 is connected with an air inlet selection valve 7 through a pipeline, the outer side of the bottom of the storage bin 1 is provided with an electric control box 11, the electric control box 11 is respectively electrically connected with an air heater 6, the air inlet selection valve 7, an exhaust valve 8 and the backflow valve 10, grain materials enter the storage bin 1 through a feed inlet of the storage bin 1, the air inlet selection valve 7 and the exhaust valve 8 are opened after the storage bin 1 is filled with the grain materials, the air heater 6 heats the entering air, the heated air enters the backflow exhaust bin 3 through a heating pipe 5 and is exhausted through the exhaust valve 8 and an exhaust port 9, after the temperature in the bin is increased, the exhaust valve 8 is closed, the backflow valve 10 is opened, hot air flows into the backflow exhaust bin 3 through the heating pipe 5 and then enters the air inlet selection valve 7 through the backflow valve 10 to be heated again, external air enters the air inlet selection valve 7 discontinuously, and the equipment works reliably, the hot air is recycled, the drying effect is guaranteed, the energy loss is reduced, and the energy-saving effect is obvious.
A plurality of groups of temperature sensors 19 are arranged in the heat supply bin 2 and the backflow exhaust bin 3, the temperature sensors 19 are used for detecting the temperature in the heat supply bin 2 and the backflow exhaust bin 3, the heating temperature of the air heater 6 is adjusted, a plurality of groups of humidity sensors 20 are arranged in the storage bin 1 and the backflow exhaust bin 3, the humidity values in the grain material in the storage bin 1 and the backflow exhaust bin 3 are monitored in real time through the humidity sensors 20, the grain material in the storage bin 1 and the humidity value in the backflow exhaust bin 3 are further circularly dried when the humidity value in the storage bin 1 is overhigh, the exhaust valve 8 is opened to exhaust partial gas when the humidity value in the backflow exhaust bin 3 is overhigh, the exhaust valve 21 is arranged in the backflow exhaust bin 3, when the air pressure in the backflow exhaust bin 3 exceeds the limit, the exhaust valve 8 acts to exhaust the gas exceeding the limit, the air pressure value in the backflow exhaust valve 8 is reduced, the electric control box 11 is respectively and electrically connected with the temperature sensors 19, the humidity sensors 20 and the air pressure sensors 21, and timely action response of the air heater 6, the exhaust valve 8 and the return valve 10 is ensured.
The bottom of the storage silo 1 is provided with a grain discharging mechanism 22, the grain discharging mechanism 22 is electrically connected with an electrical control box 11, the bottom of the grain discharging mechanism 22 is provided with a guide hopper 23, the grain discharging mechanism 22 is opened through the electrical control box 11, dried grains are discharged, and the grains fall into a conveying device through the guide hopper 23.
The storage silo 1, the heating bin and the 3 bottoms of the backflow exhaust bin are provided with the supporting leg frame 24 at equal elevations, so that the drying grain material is convenient to discharge and convey while the equipment is convenient to install.
In conclusion, the energy-saving circulating grain drying machine controls the heating of the air heater 6 through the electric control box 11 and the combined application of the air inlet selection valve 7 and the return valve 10 of the exhaust valve 8, realizes the circulating flow of heated air in the heat supply bin 2, the storage bin 1 and the return exhaust bin 3, reduces the heat loss of hot air and the continuous high-power heating of the air heater 6, ensures the grain drying efficiency and effect, saves energy, reduces consumption and has good economic applicability.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A circulation energy-saving grain drier is characterized in that: the heating device comprises a storage bin, a heating bin and a backflow exhaust bin, wherein the storage bin is a vertically installed cylindrical bin body, the heating bin and the backflow exhaust bin are respectively positioned on two sides of the storage bin, the storage bin is provided with a grain inlet and a heating pipe, the grain inlet is positioned at the top of the storage bin, the heating pipe is a triangular column pipe horizontally communicated with two side walls of the storage bin, the heating pipes are uniformly distributed at equal intervals from top to bottom, adjacent two layers of heating pipes are mutually staggered, the heating bin is a closed vertical cavity, an air heater is arranged in the heating bin, an air inlet selector valve is arranged at the bottom of the heating bin, the air inlet selector valve is connected with an external air pipeline, the backflow exhaust bin is a vertical rectangular cavity, an exhaust valve and an exhaust port are arranged at the top of the backflow exhaust bin, a backflow valve is arranged at the bottom of the backflow exhaust bin, the backflow valve is connected with the air inlet selector valve through a pipeline, and an electrical control box is arranged outside the bottom of the storage bin, the electric control box is respectively and electrically connected with the air heater, the air inlet selection valve, the exhaust valve and the reflux valve.
2. The circulating energy-saving grain drying machine according to claim 1, wherein horizontal maintenance trestles are arranged in the backflow discharge bin at equal intervals from top to bottom on one side of the backflow discharge bin connected with the storage bin, guardrails are arranged outside the maintenance trestles, maintenance trestles are arranged on the storage bin, the heat supply bin and the backflow exhaust bin at equal intervals from top to bottom on the outer side of the storage bin, maintenance trestles are arranged between the upper maintenance trestles and the lower maintenance trestles, the maintenance trestles are respectively located at the same horizontal position with the maintenance trestles, an maintenance door is arranged at the maintenance trestle corresponding to the outer wall of the backflow exhaust bin, and a sealing door seal is arranged between the maintenance door and the bin wall.
3. The circulating energy-saving grain drying machine as claimed in claim 1, wherein the exhaust valves are located at the outer end of the top of the backflow exhaust bin, at least two exhaust valves are arranged, the inner side of the bottom of each exhaust valve is provided with a guide plate, and the guide plates are vertically and obliquely arranged between the exhaust valves and the top maintenance trestle.
4. The circulating energy-saving grain drying machine according to claim 1, wherein a plurality of sets of temperature sensors are arranged in the heat supply bin and the return exhaust bin, a plurality of sets of humidity sensors are arranged in the storage bin and the return exhaust bin, an air pressure sensor is arranged in the return exhaust bin, and the electric control box is electrically connected with the temperature sensors, the humidity sensors and the air pressure sensors respectively.
5. The circulating energy-saving grain drying machine according to claim 1, wherein a grain discharging mechanism is arranged at the bottom of the storage bin, the grain discharging mechanism is electrically connected with the electric control box, and a guide hopper is arranged at the bottom of the grain discharging mechanism.
6. The circulating energy-saving grain drying machine as claimed in claim 5, wherein the storage bin, the heating bin and the return exhaust bin are provided with leg supports at the same height at the bottom.
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CN202120665231.XU CN215413042U (en) | 2021-03-31 | 2021-03-31 | Energy-conserving grain drier circulates |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112944872A (en) * | 2021-03-31 | 2021-06-11 | 安徽辰宇机械科技有限公司 | Energy-conserving grain drier circulates |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112944872A (en) * | 2021-03-31 | 2021-06-11 | 安徽辰宇机械科技有限公司 | Energy-conserving grain drier circulates |
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