CN112856935B - Air suction giant intelligent grain dryer - Google Patents
Air suction giant intelligent grain dryer Download PDFInfo
- Publication number
- CN112856935B CN112856935B CN202110291665.2A CN202110291665A CN112856935B CN 112856935 B CN112856935 B CN 112856935B CN 202110291665 A CN202110291665 A CN 202110291665A CN 112856935 B CN112856935 B CN 112856935B
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- dryer
- outer cylinder
- hot air
- shell
- separation
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
- F26B3/10—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour carrying the materials or objects to be dried with it
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/10—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers
- F26B17/101—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers the drying enclosure having the shape of one or a plurality of shafts or ducts, e.g. with substantially straight and vertical axis
- F26B17/105—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers the drying enclosure having the shape of one or a plurality of shafts or ducts, e.g. with substantially straight and vertical axis the shaft or duct, e.g. its axis, being other than straight, i.e. curved, zig-zag, closed-loop, spiral
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements for supplying or controlling air or other gases for drying solid materials or objects
- F26B21/50—Ducting arrangements from the source of air or other gases to the materials or objects being dried
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying goods
- F26B2200/06—Grains, e.g. cereals, wheat, rice, corn
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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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Drying Of Solid Materials (AREA)
Abstract
本发明公开了气吸式巨型智能粮食干燥机，包括烘干机外筒以及设置在烘干机外筒下端的热风炉，所述烘干机外筒由烘干机外筒下壳体与烘干机外筒上壳体构成，且所述烘干机外筒下壳体与烘干机外筒上壳体之间焊接固定。本发明结构设计合理，在风机的作用下，可将粮食进行提升，无需采集搅龙、提升机、无机械损伤实现干燥过程零破损，同时在提升过程中，粮食和热风进行直接且充分的接触，有效的将粮食烘干，其次，热风通过回风筒再次回到烘干机内筒内，提高了热风的利用效果，并通过烘干机外筒储存热风，进一步实现了烘干的目的，其次，适用于现代化规模种植，有利于大型农场与大型加工企业的批量加工处理。
The present invention discloses an air suction giant intelligent grain dryer, including a dryer outer cylinder and a hot air furnace arranged at the lower end of the dryer outer cylinder, wherein the dryer outer cylinder is composed of a lower shell of the dryer outer cylinder and an upper shell of the dryer outer cylinder, and the lower shell of the dryer outer cylinder and the upper shell of the dryer outer cylinder are welded and fixed. The present invention has a reasonable structural design, and under the action of a fan, the grain can be lifted, and there is no need for collecting augers, elevators, and mechanical damage to achieve zero damage in the drying process. At the same time, during the lifting process, the grain and the hot air are in direct and sufficient contact, and the grain is effectively dried. Secondly, the hot air returns to the inner cylinder of the dryer again through the return air cylinder, which improves the utilization effect of the hot air, and the hot air is stored by the dryer outer cylinder, further achieving the purpose of drying. Secondly, it is suitable for modern large-scale planting, which is conducive to batch processing by large farms and large processing enterprises.
Description
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to an air-suction type giant intelligent grain dryer.
Background
At present, after grain harvest, the moisture of the grain needs to be timely reduced, and the conditions of mildew, germination and deterioration in the links of storage, transportation, processing and the like caused by excessive moisture are avoided, so that grain drying becomes an important link after grain delivery and is an extremely important condition for grain safe storage. The grain is dried in the region with better development, the grain is sent to a grain storage section of a dryer by a lifter after being cleaned, the grain is automatically controlled to be fed by a material level device, and the running direction of the grain in the dryer and the flowing direction of hot air (cold air) are cross-flowed, so that the whole processes of preheating, drying, reversing, drying and cooling are realized, and finally the grain is discharged through a rubber belt conveyor by a discharging section.
But in the grain drying operation's in-process, mainly rely on screw feeder or lifting machine to promote grain, because grain is in the repeated promotion circulation in-process, grain can rub with the inner wall of screw feeder, has caused the damage of grain very easily, influences the complete rate of grain, has reduced the condition of grain, and the rising value causes direct loss, and traditional grain drier has supplementary mediator heat conduction, causes manufacturing cost's increase moreover, leads to the stoving expense to increase because of having the medium to increase, is unfavorable for user's long-term and a large amount of production.
Secondly, most of traditional grain drying adopts a medium-sized and small-sized dryer to carry out drying operation, but the medium-sized and small-sized dryer has low yield, is not suitable for modern large-scale planting, and is not beneficial to batch processing of large-scale farms and large-scale processing enterprises.
Therefore, an air-suction type giant intelligent grain dryer is provided to solve the problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides the air-suction type giant intelligent grain dryer, which can lift grains under the action of a fan, does not need to collect an auger, a lifter or mechanical damage to realize zero damage in the drying process, can directly and fully contact grains with hot air in the lifting process, effectively dry the grains, and then, returns the hot air into an inner cylinder of the dryer through an air return cylinder, thereby improving the utilization effect of the hot air, storing the hot air through an outer cylinder of the dryer, further realizing the drying purpose, and being suitable for modern large-scale planting and beneficial to batch processing treatment of large farms and large-scale processing enterprises.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The air-suction type giant intelligent grain dryer comprises a dryer outer cylinder and a hot blast stove arranged at the lower end of the dryer outer cylinder, wherein the dryer outer cylinder consists of a dryer outer cylinder lower shell and a dryer outer cylinder upper shell, and the dryer outer cylinder lower shell and the dryer outer cylinder upper shell are welded and fixed;
A hot air storage cavity is arranged in the side wall of the outer cylinder of the dryer and is respectively communicated with the hot air pipe and the hot air cylinder;
The output end of the hot blast stove is provided with a hot blast pipe which is communicated with the lower shell of the outer cylinder of the dryer, the outer side of the lower shell of the outer cylinder of the dryer is provided with a feeding pipe, and the interior of the hot blast pipe is provided with a stirring mechanism;
The upper side of the upper shell of the outer cylinder of the dryer is provided with a return air cylinder and a plurality of hot air cylinders in a penetrating way, the return air cylinder and the hot air cylinders are fixedly connected with the upper shell of the outer cylinder of the dryer, a separation shell is arranged above the upper shell of the outer cylinder of the dryer, the return air cylinder and the hot air cylinders are communicated with the separation shell, and a separation mechanism is arranged inside the separation shell;
the lower end of the separation shell is circumferentially provided with a plurality of discharge holes at equal intervals, the lower end of the separation shell is fixedly connected with a discharge pipe, and the discharge holes are all positioned in the discharge pipe;
The outside of the outer cylinder of the dryer is provided with a supporting mechanism for supporting and fixing the outer cylinder of the dryer.
Preferably, the stirring mechanism comprises a driving motor fixedly connected to the outer side of the hot air pipe, an output shaft of the driving motor penetrates through the side wall of the hot air pipe and is fixedly connected with a rotating shaft, one end of the rotating shaft, which is far away from the driving motor, is fixedly connected with a first bevel gear, the inner bottom of the hot air pipe is rotationally connected with a stirring rod, a second bevel gear is sleeved on the outer side of the stirring rod, the second bevel gear and the first bevel gear are meshed with each other, stirring blades symmetrically arranged are fixedly connected to the outer side of the stirring rod, and a filtering mechanism is arranged at the lower end of the outer cylinder of the dryer.
Preferably, the filter mechanism comprises a mounting frame fixedly connected to the inner side of the lower end of the lower shell of the outer cylinder of the dryer, a plurality of reinforcing plates are arranged at equal intervals on the inner side of the mounting frame in the circumferential direction, a filter screen is embedded between every two adjacent reinforcing plates, a plurality of mounting plates are fixedly connected to one sides, far away from the mounting frame, of the reinforcing plates together, through holes used for a stirring rod to penetrate are formed in the mounting plates in a penetrating mode, and the stirring rod is connected with the through holes in a rotating mode.
Preferably, the lower shell of the dryer outer cylinder and the upper shell of the dryer outer cylinder are made of stainless steel materials.
Preferably, the supporting mechanism comprises a plurality of stand columns which are arranged outside the outer cylinder of the dryer at equal intervals in the circumferential direction, a plurality of mounting rings are fixedly connected with the stand columns together, the mounting rings are arranged at equal intervals vertically, supporting rods are arranged between the stand columns and the outer cylinder of the dryer, and the supporting rods are arranged in an inclined mode.
Preferably, the separation mechanism comprises a separation chamber arranged at the inner top of the separation housing, a fan is fixedly connected to the inner top of the separation housing, the output end of the fan is communicated with the separation chamber, the upper end of the return air cylinder extends to the inside of the separation housing and is communicated with the separation chamber, and a foreign tube communicated with the separation chamber is arranged at the outer side of the separation housing.
Preferably, a plurality of support rods are fixedly connected with the lower shell of the outer cylinder of the dryer, and the upper shell of the outer cylinder of the dryer is in a full-closed type.
Preferably, a plurality of triangular flow plates are arranged on the inner side of the air return cylinder in an up-down staggered mode, and each two adjacent layers of the triangular flow plates are in a group.
The invention has the following beneficial effects:
1. Through the arrangement of the stirring mechanism, under the action of the driving motor, the materials are stirred through the stirring blades, so that hot air can be fully contacted with grains, and the drying effect is improved;
2. Through the arrangement of the filtering mechanism, grains can be prevented from sliding into the hot air pipe by utilizing the filter screen, wherein the stirring rod can be rotatably supported by the mounting plate, and the rotation stability of the stirring rod is ensured;
3. through separating mechanism's setting, under the effect of fan, can promote grain, need not to gather screw feeder, lifting machine, no mechanical damage and realize the zero damage of drying process, simultaneously, rub between grain and the grain in the promotion process and fall coenzyme (harmful substance) on grain surface, make grain bright and bright-colored, secondly, realize hot-blast, impurity, three separation of grain and go on its own way.
Drawings
FIG. 1 is a schematic diagram of a pneumatic giant intelligent grain dryer according to the present invention;
FIG. 2 is a schematic top view of a separation housing of the air-suction type giant intelligent grain dryer according to the present invention;
FIG. 3 is a schematic top view of a separating housing of a filter screen of an air-suction type giant intelligent grain dryer according to the present invention;
fig. 4 is a schematic diagram of a top-view cross-section structure of a hot air duct of a filter screen of the air-suction type giant intelligent grain dryer.
Fig. 5 is a cross-sectional view of the cyclone barrel 12 of fig. 1.
In the figure: 1 hot blast stove, 2 upright posts, 3 supporting rods, 4 mounting rings, 5 upper outer cylinder shell of a dryer, 6 feeding pipes, 7 reinforcing plates, 8 mounting plates, 9 mounting frames, 10 hot air cylinders, 11 lower outer cylinder shell of the dryer, 12 air cylinders, 13 discharge ports, 14 separation chambers, 15 fans, 16 separation shells, 17 driving motors, 18 rotating shafts, 19 first bevel gears, 20 second bevel gears, 21 filter screens, 22 stirring blades, 23 hot air pipes, 24 impurity outlet pipes, 25 discharge pipes, 26 hot air storage cavities and 27 triangular flow plates.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1 to 4, the air-suction type giant intelligent grain dryer comprises a dryer outer cylinder and a hot blast stove 1 arranged at the lower end of the dryer outer cylinder, wherein the dryer outer cylinder is composed of a dryer outer cylinder lower shell 11 and a dryer outer cylinder upper shell 5, the dryer outer cylinder lower shell 11 and the dryer outer cylinder upper shell 5 are welded and fixed, and the dryer outer cylinder lower shell 11 and the dryer outer cylinder upper shell 5 are made of stainless steel materials. The inside hot-blast storage chamber 26 that is provided with of lateral wall of dryer urceolus, hot-blast storage chamber 26 are linked together with hot-blast tuber pipe 23 and hot-blast section of thick bamboo 10 respectively, and the hot-blast is stored to accessible hot-blast storage chamber 26, takes away moisture, further realized the purpose of stoving.
The output of hot-blast furnace 1 is provided with hot-blast main 23, hot-blast main 23 is linked together with casing 11 under the dryer urceolus, the outside of casing 11 is provided with inlet pipe 6 under the dryer urceolus, the inside of hot-blast main 23 is provided with rabbling mechanism, rabbling mechanism includes driving motor 17 on the hot-blast main 23 outside, driving motor 17's output shaft runs through hot-blast main 23's lateral wall and fixedly connected with pivot 18, driving motor 17's one end fixedly connected with first bevel gear 19 is kept away from to pivot 18, hot-blast main 23's inner bottom rotation is connected with the puddler, the outside cover of puddler is equipped with second bevel gear 20, intermesh between second bevel gear 20 and the first bevel gear 19, the outside fixedly connected with two symmetrically-arranged stirring leaf 22 of puddler. The mechanism stirs the material through stirring blade 22 to the hot-blast abundant and grain of being in contact improves the effect of stoving.
The lower extreme of drying-machine urceolus is provided with filtering mechanism, filtering mechanism includes mounting frame 9 on the inboard of drying-machine urceolus lower extreme, the inboard circumference equidistant of mounting frame 9 is provided with a plurality of reinforcing plates 7, all inlay between every adjacent two reinforcing plates 7 and be equipped with filter screen 21, a plurality of reinforcing plates 7 keep away from the common fixedly connected with mounting panel 8 of one side of mounting frame 9, link up on the mounting panel 8 and be provided with the through-hole that is used for the puddler to pass, the puddler is connected with the through-hole rotation, can consolidate the steadiness of filter screen 21 through reinforcing plate 7, can avoid grain landing to the inside of hot-blast main 23 through filter screen 21.
The upper side of the upper shell 5 of the outer cylinder of the dryer is penetrated and provided with the air return cylinder 12 and a plurality of hot air cylinders 10, the air return cylinder 12 and the hot air cylinders 10 are fixedly connected with the upper shell 5 of the outer cylinder of the dryer, the inner sides of the air return cylinders 12 are provided with a plurality of triangular flow plates 27 in an up-down staggered mode, each two adjacent layers of the triangular flow plates 27 are a group, grains are overturned when passing through the triangular flow plates 27, the even effect of grain drying is further improved, the upper side of the upper shell 5 of the outer cylinder of the dryer is provided with a separation shell 16, the air return cylinder 12 and the hot air cylinders 10 are all communicated with the separation shell 16, the circumference of the lower end of the separation shell 16 is provided with a plurality of discharge holes 13 at equal intervals, the lower end of the separation shell 16 is fixedly connected with a discharge pipe 25, the discharge holes 13 are all positioned in the inside of the discharge pipe 25, the air return cylinder 12 is positioned in the middle of the plurality of the discharge holes 13, and the discharge holes 13 facilitate the grain discharging.
The inside of separation casing 16 sets up separating mechanism, and separating mechanism is provided with separation chamber 14 including the interior top of separation casing 16, and the interior top fixedly connected with fan 15 of separation casing 16, and the output and the separation chamber 14 of fan 15 are linked together, and the upper end of return duct 12 extends to the inside of separation casing 16 and is linked together with separation chamber 14, and the outside of separation casing 16 is provided with the play miscellaneous pipe 24 that is linked together with separation chamber 14. Under the effect of the fan 15, the grain can be lifted, no screw feeder, elevator or mechanical damage is required to be collected, zero damage in the drying process is realized, meanwhile, friction between the grain and the grain in the lifting process is realized, the grain is bright and bright, and the three separation ways of hot air, impurities and the grain are realized.
The outside of drying-machine urceolus is provided with the supporting mechanism who is used for drying-machine urceolus to support fixedly, supporting mechanism includes circumference equidistant a plurality of stands 2 that set up in the drying-machine urceolus outside, a plurality of stand 2 joint fixedly connected with a plurality of collar 4, a plurality of collar 4 are vertical equidistant setting, all be provided with bracing piece 3 between every stand 2 and the drying-machine urceolus, bracing piece 3 is the slope setting, a plurality of bracing pieces 3 all with drying-machine urceolus lower casing 11 fixed connection, casing 5 adopts totally closed on the drying-machine urceolus, the effect of supporting fixedly has been played, the steadiness of organism has been guaranteed.
When the dryer works, firstly, hot air generated by the hot air furnace 1 is utilized, the switch of the fan 15 is turned on, the fan 15 can lift the hot air through the hot air cylinder 10, meanwhile, wet grains entering the dryer outer cylinder through the feeding pipe 6 can be lifted, then the hot air and the wet grains enter the separation shell 16, the hot air and impurities enter the separation chamber 14 through the fan 15, then the impurities are discharged through the impurity outlet pipe 24 along the tangential direction of the rotation of the hot air, the hot air continues to rotate, and then the impurities are discharged through the air return cylinder 12, so that three separation of grains, impurities and hot air are realized, and each channel is realized;
The grains and the hot air are directly and fully contacted in the rising process, the grains are dried by the hot air, the grains after primary drying enter the upper separation shell 16, meanwhile, the hot air can also pass through the hot air storage cavity 26, wet grains in the outer barrel of the dryer can be further dried, and the cooled hot air enters the inner part of the outer barrel of the dryer through the air return barrel 12, so that the grains of the hot air barrel 10 can be subjected to secondary heat exchange, and the recycling of the hot air is facilitated;
in the process of drying, the switch of the driving motor 17 is turned on, the output shaft of the driving motor 17 rotates to drive the rotating shaft 18 to rotate, the rotating shaft 18 rotates to drive the first bevel gear 19 to rotate, the first bevel gear 19 rotates to drive the second bevel gear 20 to rotate, so that the stirring rod can rotate, materials are stirred through the stirring blades 22, so that hot air is fully contacted with grains, and the drying effect is improved.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.
Claims (4)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110291665.2A CN112856935B (en) | 2021-03-18 | 2021-03-18 | Air suction giant intelligent grain dryer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110291665.2A CN112856935B (en) | 2021-03-18 | 2021-03-18 | Air suction giant intelligent grain dryer |
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| CN112856935A CN112856935A (en) | 2021-05-28 |
| CN112856935B true CN112856935B (en) | 2024-11-05 |
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| CN202110291665.2A Active CN112856935B (en) | 2021-03-18 | 2021-03-18 | Air suction giant intelligent grain dryer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115615160A (en) * | 2021-07-16 | 2023-01-17 | 河北皓凯农业机械有限公司 | An air suction aerobic full coverage drying system |
| CN115606815A (en) * | 2021-07-16 | 2023-01-17 | 河北皓凯农业机械有限公司 | Vertical oil tea fruit rejuvenator of cyclic heating |
| IT202200014086A1 (en) * | 2022-07-04 | 2024-01-04 | Giuseppe Eugenio Ferrari | DEVICE FOR DRYING GRANULAR MATERIALS. |
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| CN105918454A (en) * | 2016-07-07 | 2016-09-07 | 河北皓凯农业机械有限公司 | Pneumatic circulating grain drier |
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| CN204830781U (en) * | 2015-06-01 | 2015-12-02 | 朱利女 | High -efficient lees desiccator |
| CN107279282A (en) * | 2017-07-20 | 2017-10-24 | 石家庄迪乐农业机械有限公司 | A kind of grain multi-cycle separation equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102003871A (en) * | 2010-11-16 | 2011-04-06 | 河南省德耀机械制造有限公司 | Tower drier for powdery wet materials |
| CN105918454A (en) * | 2016-07-07 | 2016-09-07 | 河北皓凯农业机械有限公司 | Pneumatic circulating grain drier |
| CN208671560U (en) * | 2018-08-13 | 2019-03-29 | 苏州市丽苏塑胶科技有限公司 | Passenger-cargo co fastener system nylon part Insulation rail distance keeper raw material dryer |
| CN214469643U (en) * | 2021-03-18 | 2021-10-22 | 河北皓凯农业机械有限公司 | Air-suction type giant intelligent grain dryer |
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| CN112856935A (en) | 2021-05-28 |
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