CN217330627U - Drum-type grain drying machine - Google Patents
Drum-type grain drying machine Download PDFInfo
- Publication number
- CN217330627U CN217330627U CN202221018749.5U CN202221018749U CN217330627U CN 217330627 U CN217330627 U CN 217330627U CN 202221018749 U CN202221018749 U CN 202221018749U CN 217330627 U CN217330627 U CN 217330627U
- Authority
- CN
- China
- Prior art keywords
- supporting seat
- cavity
- air inlet
- rotary drum
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model provides a drum-type grain drying machine belongs to agricultural machine technical field. The rotary drum comprises a first supporting seat, a second supporting seat and a horizontally placed rotary drum, wherein an air inlet cavity is formed in the first supporting seat, a material outlet cavity is formed in the second supporting seat, two ends of the rotary drum are respectively and rotatably connected to the first supporting seat and the second supporting seat, an exhaust pipe coaxial with the rotary drum is arranged in the rotary drum, a drying cavity is formed between the outer wall of the exhaust pipe and the inner wall of the rotary drum, one end, close to the second supporting seat, of the exhaust pipe is fixedly connected with the rotary drum through a connecting cover, an air vent is communicated with the inner cavity of the exhaust pipe and the drying cavity, one end, close to the first supporting seat, of the exhaust pipe is connected with an air inlet end of an exhaust fan, an air inlet connecting pipe communicated with the outside and the air inlet cavity is arranged on the first supporting seat, a heater is arranged in the air inlet connecting pipe, a material outlet cavity is communicated with the drying cavity through a material outlet, and a material outlet is arranged at the bottom of the material outlet cavity; the first supporting seat is provided with a feeding pipe, and an outlet of the feeding pipe extends to an inlet of the drying cavity. The utility model has the advantages of high efficiency.
Description
Technical Field
The utility model belongs to the technical field of agricultural machine, a drum-type grain drying machine is related to.
Background
Cereal needs control its moisture content before storage, transportation and processing, and the general requirement of drying to cereal is that the moisture content is not higher than 15%, and cereal drying equipment on the market is tower most, needs at least one lifting machine, if relate to the sorting (getting rid of ear of grain sediment, vacant shell cereal etc.) of cereal, then need a plurality of equipment segmentation to accomplish, also need the cooperation of abortive lifting machine, and the structure is complicated.
Furthermore, grain drying equipment on the market mostly utilizes the circulation of hot gas flow to realize the drying of grain, and the air current temperature difference that is close to the heat source and keeps away from the heat source is great, and take traditional tower type drying-machine as an example, in grain gets into the tower by the tower top, hot gas flow upwards circulates by the tower bottom, and the tower top temperature is lower, and the vapor that partly is formed by the grain dehydration is easily absorbed by grain again in the region that the temperature is lower, influences dehydration efficiency, and, the exhaust gas that has certain heat has no way to be utilized, and the heat utilization rate is lower. The separation of grains generally adopts a centrifugal mode, which not only needs a rotating mechanism with high energy consumption, but also damages grains mutually because of high-speed rotating and impacting.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a drum-type grain drying machine to the above-mentioned problem that prior art exists, the utility model aims to solve the technical problem of how improve the drying efficiency of cereal.
The purpose of the utility model can be realized by the following technical proposal: a drum-type grain drying machine is characterized by comprising a first supporting seat, a second supporting seat and a horizontally placed rotary drum, wherein an air inlet cavity is formed in the first supporting seat, a discharging cavity is formed in the second supporting seat, two ends of the rotary drum are respectively and rotatably connected to the first supporting seat and the second supporting seat, an exhaust pipe coaxial with the rotary drum is arranged in the rotary drum, a drying cavity is formed between the outer wall of the exhaust pipe and the inner wall of the rotary drum, one end, close to the second supporting seat, of the exhaust pipe is fixedly connected with the rotary drum through a connecting cover, the connecting cover comprises a connecting part with a discharging hole and a cone part with an air vent, the air vent is communicated with the inner cavity of the exhaust pipe and the drying cavity, one end, close to the first supporting seat, of the exhaust pipe is connected with an air inlet end of an exhaust fan, an air inlet connecting pipe for communicating the outside with the air inlet cavity is arranged on the first supporting seat, and a heater is arranged in the air inlet connecting pipe, the air inlet cavity is communicated with the drying cavity, the discharging cavity is communicated with the drying cavity through a discharging hole, and a discharging hole is formed in the bottom of the discharging cavity; the first supporting seat is provided with a feeding pipe, and an outlet of the feeding pipe extends to an inlet of the drying cavity.
Furthermore, the outer wall of the air exhaust pipe is provided with a spiral guide sheet capable of driving the grains to be led out towards the outlet of the drying cavity.
Furthermore, the inner wall of the rotary drum is provided with a plurality of material turning plates parallel to the axis of the rotary drum.
Furthermore, a speed reducing motor is arranged on the second supporting seat and drives the exhaust tube to rotate.
Further, the cone part is located on the inner side of the connecting part, and the connecting part is located in the middle of the discharging cavity.
Furthermore, the air inlet cavity and the drying cavity are in smooth transition through a guide cone.
Furthermore, a feeding hopper is arranged at the upper end of the feeding pipe.
Further, the ratio of the outer diameter of the exhaust pipe to the inner diameter of the rotary drum is less than 0.2.
One end of the exhaust pipe close to the first supporting seat extends out of the first supporting seat and is connected with the air inlet end of the exhaust fan, the air inlet connecting pipe is an air inlet, a heater is arranged at the air inlet connecting pipe, air enters the air inlet cavity from the air inlet connecting pipe, hot air flows enter the drying cavity from the air inlet cavity, grains to be dried enter the drying cavity from the feeding hopper, the discharging position is located in the drying cavity through the feeding pipe, along with the slow rotation of the rotary drum, the grains are frequently turned over under the action of the material turning plate, part of the grains fall onto the exhaust pipe, the grains slowly move towards the outlet direction of the drying cavity under the action of the spiral material guide piece, the hot air flows dry the grains, the dried grains enter the discharging cavity from the discharge hole and are discharged from the discharge hole, and the grains enter the exhaust pipe from the vent at the tail end of the drying cavity through the exhaust fan and are discharged by the exhaust fan.
It can be easily seen that because the grains are turned by the material turning plate and are in the states of continuous lifting and falling, the hot air flow can act on the raised grains, the contact efficiency of the hot air flow and the grains can be improved, the circulation efficiency of the air flow is higher, the unsaturated particles and the ear scraps in the raised grains can efficiently enter the air exhaust pipe under the action of the air flow and then are discharged, the separation of the grains is realized, and the grains are separated before being dried in the drying process.
The circulation direction of cereal can be controlled to the spiral guide vane on the one hand, and the diameter of exhaust tube is less, makes cereal the moving speed of stoving intracavity slower, also makes the cereal that is kicked up only partly because of the effect of spiral guide vane and has the removal of stoving chamber contour direction, makes cereal frequently kicked up, frequently acted on by the hot gas flow, realizes even stoving and has not lost the hourglass stoving.
The air flow after the drying of the grains is finished has certain heat energy although the humidity is higher, and is discharged through the backflow of the air exhaust pipe, the heat conduction of the spiral guide vane is utilized, the hot air flow in the drying cavity heats the air exhaust pipe, so that the high-humidity and low-temperature environment is avoided being formed in the air exhaust pipe, water drops are prevented from being condensed in the air exhaust pipe, and the ear scraps are prevented from being adhered in the air exhaust pipe; if not make the air current turn back at the exhaust tube entrance, then will have some cereal to be taken out and separate, also restricted the velocity of flow of stoving chamber air current, in this scheme, under the condition of great air current, the cereal of full granule also is difficult to get into in the exhaust tube.
Drawings
Fig. 1 is a schematic perspective view of the dryer.
Fig. 2 is a sectional view of the present dryer.
In the figure, 1, a first support seat; 11. an air inlet cavity; 12. an air inlet connecting pipe; 13. a feeding pipe; 2. a second supporting seat; 21. a discharge cavity; 22. a feeding port; 3. a rotating drum; 31. a helical guide; 4. an air exhaust pipe; 41. a connecting portion; 42. a pyramid part; 43. a material turning plate; 5. a reduction motor; 6. and (4) feeding into a hopper.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in figures 1 and 2, the drum-type grain dryer comprises a first supporting seat 1, a second supporting seat 2 and a horizontally placed rotary drum 3, wherein an air inlet cavity 11 is arranged in the first supporting seat 1, a material outlet cavity 21 is arranged in the second supporting seat 2, two ends of the rotary drum 3 are respectively and rotatably connected to the first supporting seat 1 and the second supporting seat 2, an air exhaust pipe 4 coaxial with the rotary drum 3 is arranged in the rotary drum 3, a drying cavity is formed between the outer wall of the air exhaust pipe 4 and the inner wall of the rotary drum 3, one end of the air exhaust pipe 4 close to the second supporting seat 2 is fixedly connected with the rotary drum 3 through a connecting cover, the connecting cover comprises a connecting part 41 with a material outlet and a cone part 42 with an air vent, the air vent is communicated with the inner cavity of the air exhaust pipe 4 and the drying cavity, one end of the air exhaust pipe 4 close to the first supporting seat 1 is connected with an air inlet end of the air inlet cavity 11, an air inlet connecting pipe 12 communicated with the outside and the air inlet cavity 11 is arranged on the first supporting seat 1, and a heater is arranged in the air inlet connecting pipe 12, the air inlet cavity 11 is communicated with the drying cavity, the discharging cavity 21 is communicated with the drying cavity through a discharging hole, and the bottom of the discharging cavity 21 is provided with a feed opening 22; a feeding pipe 13 is arranged on the first supporting seat 1, and an outlet of the feeding pipe 13 extends to an inlet of the drying cavity.
The outer wall of the exhaust pipe 4 is provided with a spiral guide sheet 31 which can drive grains to be led out from the direction of the outlet of the drying cavity.
The inner wall of the drum 3 is provided with a plurality of material-stirring plates 43 parallel to the axis of the drum 3.
A speed reducing motor 5 is arranged on the second supporting seat 2, and the speed reducing motor 5 drives the exhaust pipe 4 to rotate.
The tapered part 42 is located inside the connecting part 41, and the connecting part 41 is located in the middle of the discharging chamber 21.
The air inlet cavity 11 and the drying cavity are in smooth transition through a guide cone.
The upper end of the feeding pipe 13 is provided with a feeding hopper 6.
The ratio of the outer diameter of the exhaust tube 4 to the inner diameter of the rotary drum 3 is less than 0.2.
One end of the air exhaust pipe 4, which is close to the supporting seat 1, extends out of the supporting seat 1 and is connected with an air inlet end of an exhaust fan, the air inlet connecting pipe 12 is an air inlet, a heater is arranged at the position of the air inlet connecting pipe 12, air enters the air inlet cavity 11 from the air inlet connecting pipe 12, hot air flows enter the drying cavity from the air inlet cavity 11, grains to be dried enter the drying cavity from the feeding hopper 6, the discharging position is located in the drying cavity through the feeding pipe 13, along with the slow rotation of the rotary drum 3, the grains are frequently turned over under the action of the material turning plate 43 and partially fall onto the air exhaust pipe 4, the materials slowly move towards the outlet direction of the drying cavity under the action of the spiral material guide sheet 31 to dry the grains, the dried grains enter the hot air flow discharging cavity 21 from the discharging hole and are discharged from the discharging hole 22, and the hot air flows enter the air exhaust pipe 4 from the vent at the tail end of the drying cavity and are exhausted by the exhaust fan.
It can be easily seen that since the grains are turned by the material turning plate 43 and are in a state of continuous lifting and falling, the hot air flow can act on the raised grains, so that the contact efficiency of the hot air flow and the grains can be improved, the circulation efficiency of the air flow is higher, the unsaturated particles and the ear scraps in the raised grains can efficiently enter the air exhaust pipe 4 under the action of the air flow and then are discharged, the separation of the grains is realized, and the grains are separated before being dried in the drying process.
The circulation direction of cereal can be controlled to the spiral guide vane on the one hand, and the diameter of exhaust tube 4 is less, makes cereal the moving speed of stoving intracavity slower, also makes the cereal that is kicked up only partly because of the effect of spiral guide vane and has the removal of stoving chamber contour direction, makes cereal frequently kicked up, frequently acted on by the hot gas flow, realizes even stoving and drying without losing hourglass.
The air flow after the drying of the grains is finished has certain heat energy although the humidity is high, and the air flow is discharged through the air exhaust pipe 4 in a backflow mode, the air exhaust pipe 4 is heated by the hot air flow in the drying cavity through the heat conduction of the spiral guide vane, so that the high-humidity and low-temperature environment formed in the air exhaust pipe 4 is avoided, water drops are prevented from being condensed in the air exhaust pipe 4, and the ear scraps are prevented from being adhered in the air exhaust pipe 4; if do not make the air current turn back at exhaust tube 4 entrance, then will have some cereal to be taken out and leave, also restricted the velocity of flow of stoving chamber air current, in this scheme, under the condition of great air current, the cereal of full granule also is difficult to get into in the exhaust tube 4.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (8)
1. A drum-type grain dryer is characterized by comprising a first supporting seat (1), a second supporting seat (2) and a horizontally placed rotary drum (3), wherein an air inlet cavity (11) is formed in the first supporting seat (1), a material outlet cavity (21) is formed in the second supporting seat (2), two ends of the rotary drum (3) are respectively and rotatably connected to the first supporting seat (1) and the second supporting seat (2), an air suction pipe (4) coaxial with the rotary drum (3) is arranged in the rotary drum (3), a drying cavity is formed between the outer wall of the air suction pipe (4) and the inner wall of the rotary drum (3), one end, close to the second supporting seat (2), of the air suction pipe (4) is fixedly connected with the rotary drum (3) through a connecting cover, the connecting cover comprises a connecting part (41) with a material outlet and a cone part (42) with an air vent, and the air vent is communicated with the inner cavity of the air suction pipe (4) and the drying cavity, one end, close to the supporting seat I (1), of the exhaust pipe (4) is connected with an air inlet end of an exhaust fan, an air inlet connecting pipe (12) for communicating the outside with an air inlet cavity (11) is arranged on the supporting seat I (1), a heater is arranged in the air inlet connecting pipe (12), the air inlet cavity (11) is communicated with a drying cavity, the discharging cavity (21) is communicated with the drying cavity through a discharging hole, and a discharging hole (22) is formed in the bottom of the discharging cavity (21); a feeding pipe (13) is arranged on the first supporting seat (1), and an outlet of the feeding pipe (13) extends to an inlet of the drying cavity.
2. A tumble grain dryer according to claim 1, characterized in that said air suction duct (4) has on its outer wall a helical guide (31) capable of driving the grains out in the direction of the drying chamber outlet.
3. A tumble grain dryer as claimed in claim 2, characterized in that said inner wall of said drum (3) has a plurality of material-stirring plates (43) parallel to the axis of the drum (3).
4. A tumble grain dryer according to claim 1, 2 or 3, characterized in that said second supporting base (2) is provided with a speed reducing motor (5), said speed reducing motor (5) driving said air suction pipe (4) to rotate.
5. A tumble grain dryer according to claim 1, 2 or 3, characterized in that said cone (42) is located inside the connecting part (41), said connecting part (41) being located in the middle of the outlet chamber (21).
6. A tumble grain dryer according to claim 1, 2 or 3, characterized in that said air inlet chamber (11) and drying chamber are smoothly transitioned by means of a guide cone.
7. A tumble grain dryer according to claim 1, 2 or 3, characterized in that said inlet pipe (13) is provided with an inlet hopper (6) at its upper end.
8. A tumble grain dryer according to claim 1, 2 or 3, characterized in that the ratio of the outer diameter of said suction pipe (4) to the inner diameter of the drum (3) is less than 0.2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221018749.5U CN217330627U (en) | 2022-04-26 | 2022-04-26 | Drum-type grain drying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221018749.5U CN217330627U (en) | 2022-04-26 | 2022-04-26 | Drum-type grain drying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217330627U true CN217330627U (en) | 2022-08-30 |
Family
ID=82948963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221018749.5U Active CN217330627U (en) | 2022-04-26 | 2022-04-26 | Drum-type grain drying machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217330627U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114877664A (en) * | 2022-04-26 | 2022-08-09 | 咸宁市农业科学院 | Drum-type grain drying machine |
-
2022
- 2022-04-26 CN CN202221018749.5U patent/CN217330627U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114877664A (en) * | 2022-04-26 | 2022-08-09 | 咸宁市农业科学院 | Drum-type grain drying machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217330627U (en) | Drum-type grain drying machine | |
| CN109387054A (en) | Dryer and method is mixed in a kind of vertical-type planetary differential auger | |
| CN201062918Y (en) | Roller type infrared drying device | |
| CN110094948B (en) | Environment-friendly energy-saving dryer | |
| CN2265519Y (en) | High-efficiency grain-drying machine | |
| CN212597527U (en) | Maize washs drying device for feed processing | |
| CN109744313A (en) | A kind of high-efficiency circulation type energy-saving type grain dryer | |
| CN114877664A (en) | Drum-type grain drying machine | |
| CN207351078U (en) | A kind of multiple field steel mesh transmits dryer | |
| CN110260632A (en) | Drying device is used in a kind of preparation of flame-resistant plastic-wood composite materials | |
| CN201359426Y (en) | Mobile continuous rice dryer | |
| CN213363261U (en) | Efficient drying machine | |
| CN212339874U (en) | A quick drying-machine for tealeaves preparation | |
| CN109114926A (en) | A kind of agricultural grain overturning flash baking equipment | |
| CN113203263A (en) | Be applied to dewatering device of buggy production system circulated air | |
| CN212339883U (en) | Down feather drying device | |
| CN112304074A (en) | Feed pellet drying-machine | |
| CN212184962U (en) | Automatic grain drying machine | |
| CN214223575U (en) | Dynamic circulation drying equipment for grain products | |
| CN220911901U (en) | Rice drying machine with screening edulcoration device | |
| CN216409688U (en) | Automatic control grain discharging device of grain dryer | |
| CN220892797U (en) | Granary drying structure | |
| CN208475807U (en) | Drying unit is used in a kind of processing of biological particles | |
| CN213382415U (en) | Heat treatment plastic drying machine | |
| CN216782347U (en) | Plastic granules drying device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |