CN115900298A - Grain circulation drying system reaches grain desiccator including it - Google Patents
Grain circulation drying system reaches grain desiccator including it Download PDFInfo
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- CN115900298A CN115900298A CN202211227899.1A CN202211227899A CN115900298A CN 115900298 A CN115900298 A CN 115900298A CN 202211227899 A CN202211227899 A CN 202211227899A CN 115900298 A CN115900298 A CN 115900298A
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- 238000001035 drying Methods 0.000 title claims abstract description 119
- 238000007599 discharging Methods 0.000 claims description 36
- 238000012544 monitoring process Methods 0.000 claims description 8
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- 238000000034 method Methods 0.000 abstract description 5
- 125000004122 cyclic group Chemical group 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 235000013339 cereals Nutrition 0.000 description 207
- 230000005540 biological transmission Effects 0.000 description 22
- 230000007246 mechanism Effects 0.000 description 12
- 238000005192 partition Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000004321 preservation Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000010981 drying operation Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
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- 230000001154 acute effect Effects 0.000 description 1
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- 230000003750 conditioning effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
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- 125000006850 spacer group Chemical group 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
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Abstract
The invention discloses a grain circulating drying system and a grain drying machine comprising the same. The grain dryer comprises the grain circulating drying system. According to the invention, the dried grains are re-input to the grain inlet part through the hoister for cyclic drying, so that the grains are dynamically dried in the falling process of the drying part, and uneven drying caused by local heating of the grains during standing drying is avoided; and hot air is uniformly output through a plurality of transverse separating pipes in the drying part, so that the grains are further promoted to be uniformly heated. The invention relates to the technical field of drying equipment.
Description
Technical Field
The invention relates to a grain circulating drying system and a grain dryer comprising the same, belonging to the technical field of drying equipment.
Background
In order to enable the grains to have better storability, the harvested grains need to be dried to reduce moisture in the grains, and possible plant diseases and insect pests caused in the grain storage process can be effectively reduced. For the centralized drying work of large-batch grains, a special grain dryer is often adopted.
The grain drier is a tower-shaped grain processing device, grain to be dried is input from the top of the tower, when the grain flows in a preset channel in the tower, hot air is generated through the built-in drier, the air flow rate and the temperature in the tower are improved, and the effect of drying the grain is achieved. And finally, outputting the dried grains from the bottom of the tower.
However, the traditional grain drying mode is generally a standing mode, and a conditioning method of drying, tempering, drying and tempering is adopted for low-temperature drying to reduce damage of local high temperature to grains, and the proportion is mostly 1. However, a large amount of drying time is needed, and uneven drying of the same batch of grains is easily caused, which affects the warehousing and storage work of the grains and the drying quality of the grains.
Disclosure of Invention
The invention aims to at least solve one of the technical problems in the prior art, and provides a grain circulating drying system and a grain drying machine comprising the same, which can improve the drying efficiency of grains and uniformly dry the grains.
According to an embodiment of the first aspect of the invention, there is provided a grain circulation drying system, including:
the grain feeding part comprises a grain feeding part body, a grain feeding auger and a first driving piece, wherein the grain feeding part body is provided with a grain feeding groove extending along the horizontal direction, the grain feeding groove is a U-shaped groove, a plurality of through holes are formed in the bottom of the grain feeding groove at equal intervals, the grain feeding auger is cylindrical, threads are arranged on the side surface of the grain feeding auger, the grain feeding auger is rotationally connected in the grain feeding groove, and the first driving piece drives the grain feeding auger to rotate so as to drive grains to move in the horizontal direction;
the drying part comprises a drying part body and a plurality of separating pipes, a drying space is arranged in the drying part body, the through hole is communicated with the drying space, the separating pipes are transversely arranged in the drying space, and a plurality of air holes for outputting hot air are formed in the separating pipes;
the grain discharging part comprises a grain discharging part body, a grain discharging auger and a second driving piece, the grain discharging part body is provided with a grain discharging groove extending along the horizontal direction, the grain discharging groove is a U-shaped groove, the drying space is communicated with the grain discharging groove, the grain discharging auger is cylindrical, the side surface of the grain discharging auger is provided with threads, the grain discharging auger is rotationally connected in the grain discharging groove, and the second driving piece drives the grain discharging auger to rotate so as to drive grains to move to a grain discharging opening along the horizontal direction;
the bottom of the lifting machine is connected with the grain outlet, the top of the lifting machine is connected with the grain inlet part body, and the lifting machine is used for lifting grains to the grain inlet part along the vertical direction so as to circularly dry the grains;
the hot air blower is communicated with each separation pipe and outputs hot air to the separation pipes, and the hot air can enter the drying space from the air holes to dry grains;
and the first driving piece, the second driving piece, the hoister and the hot air blower are all electrically connected with the controller.
According to an embodiment of the first aspect of the present invention, further, the number of the drying parts is two, and the two drying parts are arranged in mirror symmetry.
According to the embodiment of the first aspect of the invention, further, the grain inlet part further comprises a material distributing device, wherein the material distributing device is in a triangular prism shape and is arranged between the two drying parts, and is used for guiding the grains to the two drying parts.
According to the embodiment of the first aspect of the invention, the grain discharging part further comprises a grain poking roller and a third driving part, the bottom of the grain discharging part body is provided with an inclined surface to narrow the outlet, the grain poking roller is provided with blades and is rotatably connected to the bottom of the grain discharging part body, the third driving part drives the grain poking roller to rotate, and the third driving part is electrically connected with the controller.
According to the embodiment of the first aspect of the invention, the number of the grain poking rollers is at least two, and the third driving piece drives the grain poking rollers to rotate through the chains.
According to the embodiment of the first aspect of the invention, further, a grain outlet branch pipe is installed at the connection position of the lifting machine and the grain inlet part body, the grain outlet branch pipe is communicated with the lifting machine, a movably connected electric control board is arranged in the grain outlet branch pipe, the electric control board can close or open the grain outlet branch pipe to output dried grains, and the electric control board is electrically connected with the controller.
According to an embodiment of the first aspect of the present invention, further, a temperature sensor is installed at the air outlet of the air heater for monitoring the temperature of the hot air, and the temperature sensor is electrically connected to the controller.
According to an embodiment of the first aspect of the present invention, a rotation-resistant level sensor is installed in the grain inlet body, and is used for monitoring the loading amount of the grains in the drying portion, and the rotation-resistant level sensor is electrically connected with the controller.
According to an embodiment of the second aspect of the invention, there is provided a grain dryer comprising the grain circulation drying system of any one of the above.
According to an embodiment of the second aspect of the present invention, further, the grain dryer further includes a heat-insulating shell covering an outer side of the drying part.
The embodiment of the invention at least has the following beneficial effects: according to the invention, the dried grains are input into the grain inlet part again through the hoister for cyclic drying, so that the grains are dynamically dried in the falling process of the drying part, and uneven drying caused by local heating of the grains during standing and drying is avoided; and hot air is uniformly output through a plurality of transverse separating pipes in the drying part, so that the grains are further promoted to be uniformly heated.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.
FIG. 1 is a three-dimensional view and a partially enlarged view of a grain circulation drying system according to an embodiment of a first aspect of the present invention;
FIG. 2 is a three-dimensional view of a partition pipe in a grain circulation drying system according to an embodiment of the first aspect of the present invention;
FIG. 3 is a three-dimensional view of a grain dryer in accordance with a second embodiment of the present invention;
FIG. 4 is a side sectional view of a grain dryer in accordance with a second embodiment of the present invention;
FIG. 5 is a front sectional view of a grain dryer according to a second embodiment of the present invention;
fig. 6 is a plan view of a grain dryer according to a second embodiment of the present invention.
Reference numerals: 100-grain inlet part, 110-grain inlet part body, 111-grain inlet groove, 112-through hole, 113-rotation-resistant level sensor, 120-grain inlet auger, 130-first driving part, 140-material distributor, 200-drying part, 210-drying part body, 221-drying space, 220-separating pipe, 221-air hole, 300-grain outlet part, 310-grain outlet part body, 311-grain outlet groove, 312-grain outlet, 320-grain outlet auger, 330-second driving part, 340-grain stirring roller, 350-third driving part, 400-lifter, 500-hot air blower, 510-temperature sensor, 600-grain outlet branch pipe, 610-electric control panel and 700-heat preservation shell.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
The embodiment of the first aspect of the invention provides a grain circulating drying system, which can convey dried grains to a grain inlet part through a lifting machine and enter a drying part for multiple times, so that the grains are circularly dried. Compare in traditional stoving mode of stewing, the dynamic stoving mode that this grain circulation drying system adopted is broken away grain through built-in a plurality of branch spacer pipes in the stoving portion to increase grain and hot-blast area of contact, make grain by abundant stoving, improve the stoving effect.
In a second aspect of the present invention, a grain drying machine is provided, which includes the above grain circulation drying system, and a layer of heat preservation shell covers the outside of the grain circulation drying system to preserve internal heat and reduce heat loss, thereby reducing energy consumption and injury to external equipment or workers.
Referring to fig. 1, the grain circulation drying system according to the first embodiment of the present invention includes a grain inlet 100, a drying part 200, a grain outlet 300, a lifter 400, a hot air blower 500, and a controller (not shown). Wherein, go into grain portion 100, the dry part 200 and go out grain portion 300 and pile up from last down in proper order, grain gets into from going into grain portion 100 and falls to drying portion 200 in by self gravity after drying to discharge from going out grain portion 300 finally. The elevator 400 is used to re-input the discharged grains into the grain inlet portion 100 to implement the cyclic drying of the grains, and the hot air blower 500 is used to output hot air to the drying portion 200 to dry the grains.
Referring to fig. 4 and 5, go into grain portion 100 including going into grain portion body 110, going into grain screw feeder 120 and first drive 130, go into grain portion body 110 for the major structure of going into grain portion 100, be equipped with along the income grain groove 111 of horizontal direction extension, go into grain groove 111 and be "U" shape groove to be equipped with a plurality of through-holes 112 that set up along the horizontal direction equidistance on going into grain groove 111, grain can flow out to stoving portion 200 in the through-hole 112. Go into grain screw 120 and be cylindric and be equipped with the screw thread at its side, go into grain screw 120 and rotate the connection in going into grain groove 111, when going into grain screw 120 and rotate, the screw thread on it can drive grain and carry out the removal of horizontal direction to make grain spill to drying portion 200 in uniformly. The first driving member 130 drives the grain feeding auger 120 to rotate, is electrically connected with the controller, and can be controlled by the controller. The first driving member 130 specifically comprises a motor and a transmission mechanism, the motor is connected with the grain feeding auger 120 through the transmission mechanism, and the transmission mechanism can adopt belt transmission, gear transmission or chain transmission, or other transmission mechanisms capable of achieving the same technical effect; alternatively, the motor can be directly connected to the grain feeding auger 120, which is not described herein.
The drying part 200 comprises a drying part body 210 and a plurality of separating pipes 220, the drying part body 210 is the main structure of the drying part 200, a drying space 211 is arranged in the drying part body, and after entering the drying space 211, the grains are fully contacted with the hot air filled in the drying space 211 so as to complete the drying work. The through hole 112 in the grain inlet part body 110 is communicated with the drying space 211, and grains can fall into the drying space 211 from the through hole 112. The plurality of partition pipes 220 are horizontally disposed in the drying space 211, and the partition pipes 220 have a triangular prism shape, and when the grains fall, the partition pipes can be in contact with and dispersed by the side surfaces of the partition pipes 220, thereby slowing down the falling speed of the grains to prolong the staying time of the grains in the drying part 200, and dispersing the grains to prevent the grains from being adhered to each other to reduce the contact area with hot air. Referring to fig. 2, the inside of the case is hollow and communicates with a hot air blower 500, and hot air is introduced into the drying space 211 through an air hole 221 of the partition duct 220. Specifically, in order to prevent the grains from entering the separating tube 220 during the falling process, an acute angle is formed between the opening direction of the air hole 221 and the falling direction of the grains.
Go out grain portion 300 including going out grain portion body 310, go out grain screw feeder 320 and second driving piece 330, wherein go out grain portion body 310 is the major structure of going out grain portion 300, is equipped with along the grain groove 311 that the horizontal direction extends, goes out grain groove 311 and is "U" shape groove, and the grain of output can assemble in going out grain groove 311 in the portion of drying 200, is equipped with out grain mouth 312 in the one end of going out grain groove 311. Go out grain screw feeder 320 and be cylindricly and be equipped with the screw thread at its side, go out grain screw feeder 320 and rotate in a grain groove 311 and connect, when going out grain screw feeder 320 rotates, the screw thread on it can drive grain and carry out the removal of horizontal direction to make grain assemble to a grain mouth 312 department and discharge. The second driving member 330 drives the grain discharging auger 320 to rotate, is electrically connected with the controller, and can be controlled by the controller. The second driving member 330 specifically comprises a motor and a transmission mechanism, the motor is connected with the grain discharging auger 320 through the transmission mechanism, and the transmission mechanism can adopt belt transmission, gear transmission or chain transmission, or other transmission mechanisms capable of achieving the same technical effect; alternatively, the motor can be directly connected to the grain output auger 320, and the details are not repeated herein.
The bottom of the lifter 400 is connected with the grain outlet 312, and the top of the lifter is connected with the grain inlet part body 110, so that the lifter can lift grains to the grain inlet part 100 along the vertical direction to complete the circular drying of the grains. Specifically, be equipped with driving belt in the inside of lifting machine 400, driving belt is equidistant to be provided with a plurality of loading boards, and when lifting machine 400 started, driving belt removed, and the loading board removed along vertical direction to can remove along with the loading board after grain placed on the loading board.
The hot air blower 500 is communicated with each of the partition pipes 220 to supply hot air to the partition pipes 220, and the hot air enters the drying space 211 through the air holes 221 to perform the drying operation of the grains. Referring to fig. 6, the number of the air heaters 500 is plural and is set along the horizontal direction, so as to improve the drying efficiency.
The controller is electrically connected with the first driving member 130, the second driving member 330, the lifter 400 and the hot air blower 500, so as to regulate and control the whole grain circulation drying system.
Further, the number of the drying parts 200 is two, and the two drying parts 200 are arranged in a mirror symmetry manner, and the grain inlet part 100 includes a material distributing device 140 which is in a triangular prism shape and is arranged between the two drying parts 200, and is used for guiding grains into the two drying parts 200 respectively for drying. Grain is dried through two drying portion 200 simultaneously, promotes the drying capacity of single stoving work, further promotes drying efficiency.
Further, go out grain portion 300 and still include group grain roller 340 and third driving piece 350, the bottom of going out grain portion body 310 narrows through the inclined plane, wholly is hourglass hopper-shaped to it is connected with group grain roller 340 to rotate in the bottom of going out grain portion body 310. The grain pulling roller 340 is cylindrical and is provided with blades on the side surface, which can obstruct the falling of grains. When the grain-stirring roller 340 rotates, the discharging amount of the grain can be controlled. The third driving member 350 drives the grain-poking roller 340 to rotate, and the third driving member 350 is also electrically connected with the controller and controlled by the controller. The third driving member 350 specifically includes a motor and a transmission mechanism, the motor is connected with the grain-poking roller 340 through the transmission mechanism, and the transmission mechanism can adopt belt transmission, gear transmission or chain transmission, or other transmission mechanisms capable of achieving the same technical effect; alternatively, the motor can be directly connected to the grain poking roller 340, and will not be described herein. In this embodiment, the number of the grain-poking rollers 340 is at least two, and the motor in the third driving member 350 drives the grain-poking rollers 340 to rotate in a chain transmission manner.
Further, a grain outlet branch pipe 600 is installed at the joint of the lifting machine 400 and the grain inlet part body 110, the grain outlet branch pipe is a three-way branch pipe, the first end of the grain outlet branch pipe is communicated with the lifting machine 400, the second end of the grain outlet branch pipe is communicated with the grain inlet part body 110, and the third end of the grain outlet branch pipe is used for being connected with external grain storage equipment. An electric control panel 610 which is movably connected is arranged in the grain outlet branch pipe 600 and is used for controlling the communication relation of the outlet ends. Referring to fig. 4, when the grain is required to be circularly dried, the electric control panel 610 closes the third end of the grain discharging branch pipe 600, and the grain is discharged from the hoist 400 and then enters the grain inlet portion body 110 to be circularly dried; after the grains are dried, the electric control panel 610 closes the second end of the grain outlet branch pipe 600, and the grains are directly output to the outside from the third end after being output from the hoister 400. Specifically, the electric control board 610 may control the opening and closing of each port in a hinged turning or translational movement manner, or in other opening and closing manners capable of achieving the same technical effect. In this embodiment, the electric control board 610 is opened and closed by a hinged turning, and is electrically connected to the controller.
Further, a temperature sensor 510 is installed at an air outlet of the air heater 500, and is used for monitoring the hot air temperature to more accurately control the output power of the air heater 500, and reduce the damage of high temperature to the grain. The temperature sensor 510 is electrically connected to the controller.
Further, a humidity sensor is also disposed in the drying part 200, and is electrically connected to the controller for monitoring the humidity of the grain, so as to determine whether the drying operation needs to be continued.
Further, referring to fig. 3, a rotation-resistant level sensor 113 is installed in the grain inlet body 110 for monitoring the loading amount of the grains in the drying part. The rotation-resistant level sensor 113 is rod-shaped, and has a rotating part at one end thereof, and a blade is provided on the rotating part, and when the grain falls, the rotating part is driven to rotate by contacting with the blade, thereby generating an electrical signal. When the material level in the grain inlet part body 110 is too high, the blades are contacted with the material surface and cannot rotate as usual, and the rotation-resistant type material level sensor 113 is triggered at the moment, so that the monitoring of the grain capacity is achieved. The rotation-resisting type level sensor 113 is a conventional one, and the detailed structure thereof is not described herein.
In the controller configuration, the first driving member 130, the second driving member 330, the third driving member 350 and the elevator 400 are set in a linkage relationship, and when one of the components fails, the other components are linked to stop operating, but the normal operation of the air heater 500 is not affected, and the air heater 500 needs to continuously supply heat.
In a second aspect of the embodiment of the present invention, the grain dryer includes any one of the grain circulation drying systems described above. In order to preserve heat emitted from the drying part 200, a heat-preserving case 700 is covered on the outside of the drying part 200. And set up the observation window on heat preservation 700 in order to make things convenient for the staff to observe the inside condition, set up the railing in the heat preservation top in order to prevent that the staff accident from falling.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the invention as set forth in the claims appended hereto.
Claims (10)
1. A grain circulation drying system, characterized in that includes:
the grain feeding part comprises a grain feeding part body, a grain feeding auger and a first driving piece, wherein the grain feeding part body is provided with a grain feeding groove extending along the horizontal direction, the grain feeding groove is a U-shaped groove, a plurality of through holes are formed in the bottom of the grain feeding groove at equal intervals, the grain feeding auger is cylindrical, threads are arranged on the side surface of the grain feeding auger, the grain feeding auger is rotationally connected into the grain feeding groove, and the first driving piece drives the grain feeding auger to rotate so as to drive grains to move in the horizontal direction;
the drying part comprises a drying part body and a plurality of separating pipes, a drying space is arranged in the drying part body, the through hole is communicated with the drying space, the separating pipes are transversely arranged in the drying space, and a plurality of air holes for outputting hot air are formed in the separating pipes;
the grain discharging part comprises a grain discharging part body, a grain discharging auger and a second driving piece, the grain discharging part body is provided with a grain discharging groove extending along the horizontal direction, the grain discharging groove is a U-shaped groove, the drying space is communicated with the grain discharging groove, the grain discharging auger is cylindrical, the side surface of the grain discharging auger is provided with threads, the grain discharging auger is rotationally connected in the grain discharging groove, and the second driving piece drives the grain discharging auger to rotate so as to drive grains to move to a grain discharging opening along the horizontal direction;
the bottom of the lifting machine is connected with the grain outlet, the top of the lifting machine is connected with the grain inlet part body, and the lifting machine is used for lifting grains to the grain inlet part along the vertical direction so as to circularly dry the grains;
the hot air blower is communicated with each separation pipe and outputs hot air to the separation pipes, and the hot air can enter the drying space from the air holes to dry grains;
and the first driving piece, the second driving piece, the hoister and the hot air blower are all electrically connected with the controller.
2. The grain circulation drying system of claim 1, wherein: the number of the drying parts is two, and the two drying parts are arranged in a mirror symmetry mode.
3. The grain circulation drying system of claim 2, wherein: the grain feeding part also comprises a material distributing device which is triangular prism-shaped and is arranged between the two drying parts and used for guiding grains to the two drying parts.
4. The grain circulation drying system of claim 1, wherein: the grain discharging part further comprises a grain pushing roller and a third driving piece, the bottom of the grain discharging part body is provided with an inclined plane to narrow an outlet, the grain pushing roller is provided with blades, the grain pushing roller is rotatably connected to the bottom of the grain discharging part body, the third driving piece drives the grain pushing roller to rotate, and the third driving piece is electrically connected with the controller.
5. The grain circulation drying system of claim 4, wherein: the number of the grain poking rollers is at least two, and the third driving piece drives the grain poking rollers to rotate through chains.
6. The grain circulation drying system of claim 1, wherein: the lifting machine with go into the junction of grain portion body and install out the grain branch pipe, go out the grain branch pipe with the lifting machine intercommunication, be equipped with swing joint's electric control board in going out the grain branch pipe, electric control board can seal or open go out the grain branch pipe with the good grain of output stoving, electric control board with the controller electricity is connected.
7. The grain circulation drying system of claim 1, wherein: the air outlet of the air heater is provided with a temperature sensor for monitoring the temperature of hot air, and the temperature sensor is electrically connected with the controller.
8. The grain circulation drying system of claim 1, wherein: the anti-rotation type material level sensor is arranged in the grain feeding portion and used for monitoring the loading capacity of grains in the drying portion, and the anti-rotation type material level sensor is electrically connected with the controller.
9. A grain dryer comprising the grain circulation drying system of any one of claims 1 to 8.
10. The grain dryer of claim 9, wherein: the grain dryer also comprises a heat-insulating shell, and the heat-insulating shell covers the outer side of the drying part.
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| CN202211227899.1A CN115900298A (en) | 2022-10-09 | 2022-10-09 | Grain circulation drying system reaches grain desiccator including it |
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| CN202211227899.1A CN115900298A (en) | 2022-10-09 | 2022-10-09 | Grain circulation drying system reaches grain desiccator including it |
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2022
- 2022-10-09 CN CN202211227899.1A patent/CN115900298A/en active Pending
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|---|---|---|---|---|
| DE4019375A1 (en) * | 1989-01-16 | 1991-12-19 | Agrober Mezoegazdasagi Elelm | Indirectly-heated vacuum dryer esp. for agricultural prods. |
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| CN107771927A (en) * | 2016-08-31 | 2018-03-09 | 马忠高 | A kind of grain drying equipment with hot-air circulation |
| US20190174782A1 (en) * | 2017-12-06 | 2019-06-13 | Ingenieria Mega, S.A. | Grain dryer |
| CN111397315A (en) * | 2020-04-23 | 2020-07-10 | 马忠高 | Static mixed flow room dryer |
| CN111829322A (en) * | 2020-07-22 | 2020-10-27 | 湖北洋丰科阳节能设备有限公司 | An efficient and environmentally friendly grain dryer |
| CN212806422U (en) * | 2020-07-22 | 2021-03-26 | 湖北洋丰科阳节能设备有限公司 | High-efficient environment-friendly grain drying-machine |
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