CN213020740U - Agricultural is with cereal stoving induced air device - Google Patents
Agricultural is with cereal stoving induced air device Download PDFInfo
- Publication number
- CN213020740U CN213020740U CN202021560750.1U CN202021560750U CN213020740U CN 213020740 U CN213020740 U CN 213020740U CN 202021560750 U CN202021560750 U CN 202021560750U CN 213020740 U CN213020740 U CN 213020740U
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- drying
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- inner cavity
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- chamber
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- 235000013339 cereals Nutrition 0.000 title claims abstract description 59
- 238000001035 drying Methods 0.000 claims abstract description 105
- 239000000463 material Substances 0.000 claims abstract description 43
- 238000003756 stirring Methods 0.000 claims abstract description 16
- 239000002274 desiccant Substances 0.000 claims description 11
- 230000001939 inductive effect Effects 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 2
- 238000001704 evaporation Methods 0.000 abstract description 4
- 230000008020 evaporation Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010981 drying operation Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000000630 rising effect Effects 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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- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a cereal stoving induced air device is used to agricultural, including the drying cabinet, feeding case and draught fan, the inner chamber of drying cabinet divide into left equipment chamber and the stoving chamber on right side, stoving intracavity chamber top is provided with microwave generator and humidity transducer, the right side wall of drying cabinet is provided with driving motor, driving motor is provided with the stirring leaf through the axis of rotation, the inner chamber lateral wall in stoving chamber is provided with spacing ring and material frame, the bottom of material frame is provided with the discharge gate, the right side wall bottom of drying cabinet is provided with the bin outlet, the inner chamber top in equipment chamber is provided with electric putter, the inner wall bottom that the drying cabinet is located the intercommunication department between equipment chamber and the stoving chamber is provided with the fulcrum base, the top of fulcrum base articulates there is the lever, the fixed digital scale that is provided with in the top right. The utility model discloses can dry the operation to cereal, make full use of heat, the energy saving to can measure the volume of dry evaporation moisture, small is applicable to the less places of dry cereal such as family.
Description
Technical Field
The utility model relates to an induced air stoving technical field, in particular to cereal stoving induced air device is used to agricultural.
Background
Grain drying is a method of reducing the moisture content of grain particles, thereby increasing the storage time of poisons and reducing the risk of grain mildew, and is an important task in grain storage technology. Along with the development of technique, the mode that traditional mode through the sunshine carries out cereal drying has been eliminated gradually, and the substitute is to heat the drying through mechanical equipment to cereal, heats the back through machinery to cereal for the evaporation of moisture, draws forth the vapor after the evaporation through the draught fan, realizes the drying operation to cereal. However, the traditional drying equipment is difficult to effectively utilize heat generated after heating, so that a large amount of heat loss is caused, energy is wasted, and the drying cost is improved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a cereal is dried induced air device for agricultural, main aim at can dry the operation to cereal, make full use of heat, the energy saving to can measure the volume of dry evaporation moisture, small is applicable to the less places of dry cereal such as family.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an agricultural grain drying and air inducing device comprises a drying box, a feeding box and an induced draft fan, wherein the feeding box and the induced draft fan are positioned at the top of the drying box, an inner cavity of the drying box is divided into a left equipment cavity and a right drying cavity, a microwave generator and a humidity sensor are arranged at the top of the inner cavity of the drying cavity, a driving motor is arranged on the right side wall of the drying box, a rotating shaft extending into the drying cavity is arranged at the left power output end of the driving motor, a stirring blade is arranged on the outer wall of the rotating shaft, a limiting ring is arranged on the inner cavity side wall of the drying cavity, a material frame is movably arranged in the inner cavity of the drying cavity and is positioned above the limiting ring, a discharge port is arranged at the bottom of the material frame, a discharge port is arranged at the bottom of the right side wall of the drying box, an electric push rod is arranged at the top of the inner cavity of the equipment cavity, and a, the top of the fulcrum base is hinged with a lever, and a digital scale is fixedly arranged on the right side of the top of the lever.
Preferably, the top of feeding case is provided with the feed inlet, the inner chamber of feeding case is provided with screen cloth and vibrator, and the screen cloth is located the top of vibrator, the bottom of feeding case is provided with the communicating pipe that is linked together with the top of drying cabinet, be provided with the stop valve on the communicating pipe.
Based on above-mentioned technical characteristics, can carry out the screening back to cereal and dry in the drying cabinet, sieve out bulky debris to the vibrator can improve the speed that cereal sieves the whereabouts.
Preferably, the right side inlet end of draught fan is provided with the outlet duct that communicates with stoving chamber right side wall top, the top of draught fan is given vent to anger the end and is provided with the muffler that communicates with stoving chamber left side wall top, be provided with the drying tube on the muffler, be provided with first solenoid valve on the outlet duct, be provided with the second solenoid valve on the muffler.
Based on the technical characteristics, the hot and humid air in the drying cavity is sucked out by the draught fan, and after moisture is taken out by the drying tube, the hot air enters the drying cavity through the air return tube again, so that the heat loss is reduced, and the energy is saved.
Preferably, the drying tube is U-shaped, and the drying agent in the inner cavity of the drying tube is silica gel particle drying agent.
Based on the technical characteristics, when damp and hot air passes through the drying tube, the drying agent in the drying tube can absorb water fully, so that the water absorption capacity is improved, the price of the silica gel particle drying agent is low, the cost is low, and the drying agent can keep solid after absorbing water and is convenient to discharge and replace.
Preferably, the bottom of the inner cavity of the material frame is funnel-shaped, and the length of the stirring blade extending into the material frame from left to right is consistent with the shape of the bottom of the inner cavity of the material frame.
Based on above-mentioned technical characteristics, the inner chamber bottom of material frame is hopper-shaped and makes things convenient for cereal to pass through discharge gate discharge material frame, and the length of stirring leaf keeps unanimous with the distance between the vertical projection of (mixing) shaft on the material frame. Can prevent the stirring leaf from colliding with the bottom of the inner cavity of the material frame when guaranteeing to stir the grains in the material frame.
Preferably, the bottom of the inner cavity of the drying cavity is in a shape of being high at the left and low at the right, and the bottom surface of the inner cavity of the discharge opening is an extension line inclined to the bottom surface of the inner cavity of the drying cavity.
Based on the technical characteristics, the bottoms of the inner cavities of the drying cavity and the discharge opening are kept in the shape of high left and low right, so that grains can be conveniently discharged.
Preferably, the electric push rod extends downwards to the limit position to keep the lever horizontal.
Based on the technical characteristics, the digital scale can be kept horizontal under the state that the lever is kept horizontal, so that the accuracy of the weighing result of the digital scale is improved.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model starts the draught fan by opening the first electromagnetic valve and the second electromagnetic valve, enters the air return pipe through the air outlet pipe, passes through the drying pipe in the air return pipe, and re-enters the drying cavity after absorbing moisture in the hot and humid air, and the temperature of the gas re-returned to the drying cavity is higher, thereby reducing heat loss and saving energy;
2. the utility model can calculate the water amount discharged in the drying process and calculate the water discharge rate of the grain by recording the weight value of the grain before and after the grain is dried by the digital scale;
3. the utility model discloses a reasonable structural design goes up and down to expect the frame through lever principle, through the weight of digital scale measurement cereal before the drying when rising material frame, realizes the discharge of cereal after descending, structural design is reasonable, easy operation to by the restriction of lever and digital scale, be applicable to generally less places of dry cereal such as family, the volume that can guarantee equipment maintains at less level.
Drawings
FIG. 1 is a schematic structural view of the utility model under the drying operation;
FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention;
fig. 3 is a schematic structural diagram of the discharging operation of the present invention.
In the figure: 1-drying oven; 101-a drying chamber; 102-a device cavity; 2-a feeding box; 3-a draught fan; 4-a microwave generator; 5-a humidity sensor; 6-driving a motor; 7-a rotating shaft; 8-stirring blade; 9-a limiting ring; 10-material frame; 11-a discharge hole; 12-a discharge outlet; 13-an electric push rod; 14-a fulcrum base; 15-a lever; 16-a digital scale; 17-a feed port; 18-a screen mesh; 19-a vibrator; 20-communicating pipe; 21-an air outlet pipe; 22-air return pipe; 23-a drying tube; 24-a first solenoid valve; 25-a second solenoid valve; 26-stop valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in the attached drawings of the specification and figures 1-3, the utility model discloses an agricultural grain drying and air inducing device, which comprises a drying box 1, a feeding box 2 and an induced draft fan 3, wherein the feeding box 2 and the induced draft fan 3 are positioned at the top of the drying box 1, the inner cavity of the drying box 1 is divided into a left equipment cavity 101 and a right drying cavity 102, the top of the inner cavity of the drying cavity 102 is provided with a microwave generator 4 and a humidity sensor 5, the right side wall of the drying box 1 is provided with a driving motor 6, the left power output end of the driving motor 6 is provided with a rotating shaft 7 extending into the drying cavity 102, the outer wall of the rotating shaft 7 is provided with a stirring blade 8, the inner cavity side wall of the drying cavity 102 is provided with a spacing ring 9, the inner cavity of the drying cavity 102 is movably provided with a material frame 10, the material frame 10 is positioned above the spacing ring 9, the bottom of the material frame 10, an electric push rod 13 is arranged at the top of an inner cavity of the equipment cavity 101, a fulcrum base 14 is arranged at the bottom of an inner wall of the drying box 1, which is positioned at a communication position between the equipment cavity 101 and the drying cavity 102, a lever 15 is hinged to the top of the fulcrum base 14, and a digital scale 16 is fixedly arranged on the right side of the top of the lever 15.
The top of feeding case 2 is provided with feed inlet 17, and the inner chamber of feeding case 2 is provided with screen cloth 18 and vibrator 19, and screen cloth 18 is located the top of vibrator 19, and the bottom of feeding case 2 is provided with communicating pipe 20 that is linked together with the top of drying cabinet 1, is provided with stop valve 26 on communicating pipe 20, can carry out the screening back to cereal and get into drying cabinet 1 in dry, sieves out bulky debris to vibrator 19 can improve the speed that cereal sieved the whereabouts.
The right side inlet end of draught fan 3 is provided with the outlet duct 21 that communicates with stoving chamber 102 right side wall top, the top of draught fan 3 is given vent to anger the end and is provided with the muffler 22 that communicates with stoving chamber 102 left side wall top, be provided with drying tube 23 on the muffler 22, be provided with first solenoid valve 24 on the outlet duct 21, be provided with second solenoid valve 25 on the muffler 22, through draught fan 3 the air suction of damp heat in the stoving chamber 102, after drying tube 23 takes out moisture, make hot air pass through muffler 23 again and get into stoving chamber 102, and the heat loss is reduced, and energy is saved.
The drying tube 23 is U-shaped, the drying agent in the inner cavity of the drying tube 23 is silica gel particle drying agent, when damp-heat air passes through the drying tube 23, the damp-heat air can fully absorb water through the drying agent in the drying tube 23, so that the water absorption capacity is improved, the silica gel particle drying agent is low in price and cost, and can be kept solid after water absorption, and is convenient to discharge and replace.
The bottom of the inner cavity of the material frame 10 is funnel-shaped, the length of the stirring blade 8 extending into the material frame 10 from left to right is consistent with the shape of the bottom of the inner cavity of the material frame 10, the bottom of the inner cavity of the material frame 10 is funnel-shaped, so that grains can be conveniently discharged out of the material frame 10 through the discharge hole 11, and the length of the stirring blade 8 is consistent with the distance between the vertical projections of the stirring shaft 7 on the material frame 10. Can prevent stirring leaf 8 and the inner chamber bottom of material frame 10 from bumping when guaranteeing to stir the cereal in the material frame 10.
The bottom of the inner cavity of the drying cavity 102 is in a left-high-right-low shape, the bottom surface of the inner cavity of the discharge opening 12 is an extension line of the bottom surface of the inner cavity of the drying cavity 102, and the bottoms of the inner cavities of the drying cavity 102 and the discharge opening 12 are in the left-high-right-low shape, so that grains can be discharged conveniently.
The electric push rod 13 extends downwards to the limit position to enable the lever 15 to be kept horizontal, and the digital scale 16 can be kept horizontal under the condition that the lever 15 is kept horizontal, so that the accuracy of the weighing result of the digital scale 16 is improved.
The utility model discloses in the use, divide into cereal material loading, cereal drying and cereal three step of discharging, specifically as follows:
grain feeding: downwards extending the electric push rod 13 to a limit low position, moving the right end of the lever 15 and the digital scale 16 upwards at the moment, pushing the material frame 10 upwards, zero-calibrating the digital scale 16 at the moment, opening the stop valve 26 as shown in figure 1 of the specification, starting the vibrator 19, adding grains into the feeding box 2 through the feeding hole 17, enabling the grains to fall onto the screen 18 at the top of the vibrator 19, screening after vibrating, enabling large-volume impurities to remain on the screen 18, enabling the grains to pass through the screen 18 and enter the drying cavity 102 in the drying box 1 through the communicating pipe 20 to fall into the material frame 10, weighing the weight of the grains falling into the material frame 10 through the digital scale 16, closing the stop valve 26 after reaching a certain value, and recording the weight of the grains measured by the digital scale 16;
drying the grains: starting a driving motor 6 and a microwave generator 4, the driving motor 6 drives the rotation of a stirring blade 8 through a rotating shaft 7, the grains in a material frame 10 are stirred, the grains in the material frame 10 are converted up and down, the heating uniformity of the grains is improved, the microwave generator 4 emits microwaves, the grains are heated, moisture is evaporated along with the rise of the temperature, the moisture is collected in an inner cavity of a drying cavity 102, the humidity in the drying cavity 102 is determined through a humidity sensor 5, when the humidity reaches a certain value, a first electromagnetic valve 24 and a second electromagnetic valve 25 are opened, a draught fan 3 is started, the moisture enters a return pipe 22 through an air outlet pipe 21, passes through a drying pipe 23 in the return pipe 22, the moisture in hot and humid air is absorbed, the moisture enters the drying cavity 102 again, the temperature of the air returning to the drying cavity 102 is higher again, the heat loss is reduced, and the energy is saved.
Discharging grains: after the grain is continuously dried, when the drying reaches the upper limit of the drying degree, the humidity sensor 5 basically keeps the humidity value at a low level for a period of time, the measured weight of the digital scale 16 is basically kept unchanged under the condition of adjusting the work of the driving motor 6, the drying completion can be determined, the numerical value of the digital scale 16 is recorded, and the numerical value recorded before the drying can be calculated to obtain the water discharge rate of the drying. Then, the electric push rod 13 is shortened upwards, the left end of the lever 15 is moved upwards, the right end of the lever 15 is moved downwards, the material frame 10 is moved downwards, finally, the bottom of the material frame 10 is connected with the top of the limiting ring 9, the right end of the lever 15 and the numerical scale 16 continue to move downwards, the discharge hole 11 of the material frame 10 is opened, and as shown in the attached figure 3 of the specification, grains in the material frame 10 enter the bottom of the inner cavity of the drying cavity 102 through the discharge hole 10 and then are discharged through the discharge hole 12.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides an agricultural is with cereal stoving induced air device, includes drying cabinet (1), feeding case (2) and draught fan (3) are located the top of drying cabinet (1), its characterized in that: the inner cavity of the drying box (1) is divided into a left equipment cavity (101) and a right drying cavity (102), the top of the inner cavity of the drying cavity (102) is provided with a microwave generator (4) and a humidity sensor (5), the right side wall of the drying box (1) is provided with a driving motor (6), the left power output end of the driving motor (6) is provided with a rotating shaft (7) extending into the drying cavity (102), the outer wall of the rotating shaft (7) is provided with a stirring blade (8), the inner cavity side wall of the drying cavity (102) is provided with a limiting ring (9), the inner cavity of the drying cavity (102) is movably provided with a material frame (10), the material frame (10) is positioned above the limiting ring (9), the bottom of the material frame (10) is provided with a discharge hole (11), the bottom of the right side wall of the drying box (1) is provided with a discharge hole (12), and the top of the inner cavity of the equipment cavity (101), the drying oven is characterized in that a fulcrum base (14) is arranged at the bottom of the inner wall of the drying oven (1) located at the communication position between the equipment cavity (101) and the drying cavity (102), a lever (15) is hinged to the top of the fulcrum base (14), and a digital scale (16) is fixedly arranged on the right side of the top of the lever (15).
2. The agricultural grain drying and air inducing device according to claim 1, wherein: the top of feeding case (2) is provided with feed inlet (17), the inner chamber of feeding case (2) is provided with screen cloth (18) and vibrator (19), and screen cloth (18) are located the top of vibrator (19), the bottom of feeding case (2) is provided with communicating pipe (20) that are linked together with the top of drying cabinet (1), be provided with stop valve (26) on communicating pipe (20).
3. The agricultural grain drying and air inducing device according to claim 1, wherein: the right side inlet end of draught fan (3) is provided with outlet duct (21) that communicate with stoving chamber (102) right side wall top, the top of draught fan (3) is given vent to anger the end and is provided with muffler (22) that communicate with stoving chamber (102) left side wall top, be provided with drying tube (23) on muffler (22), be provided with first solenoid valve (24) on outlet duct (21), be provided with second solenoid valve (25) on muffler (22).
4. The agricultural grain drying and air inducing device according to claim 3, wherein: the drying tube (23) is U-shaped, and the drying agent in the inner cavity of the drying tube (23) is silica gel particle drying agent.
5. The agricultural grain drying and air inducing device according to claim 1, wherein: the bottom of the inner cavity of the material frame (10) is funnel-shaped, and the length of the stirring blade (8) extending into the material frame (10) from left to right is consistent with the shape of the bottom of the inner cavity of the material frame (10).
6. The agricultural grain drying and air inducing device according to claim 1, wherein: the bottom of the inner cavity of the drying cavity (102) is in a shape of being high at the left and low at the right, and the bottom surface of the inner cavity of the discharge opening (12) is an extension line inclined to the bottom surface of the inner cavity of the drying cavity (102).
7. The agricultural grain drying and air inducing device according to claim 1, wherein: the electric push rod (13) extends downwards to the limit position to enable the lever (15) to be kept horizontal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021560750.1U CN213020740U (en) | 2020-07-31 | 2020-07-31 | Agricultural is with cereal stoving induced air device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021560750.1U CN213020740U (en) | 2020-07-31 | 2020-07-31 | Agricultural is with cereal stoving induced air device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213020740U true CN213020740U (en) | 2021-04-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021560750.1U Expired - Fee Related CN213020740U (en) | 2020-07-31 | 2020-07-31 | Agricultural is with cereal stoving induced air device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213020740U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114294933A (en) * | 2021-12-27 | 2022-04-08 | 山东源泉机械有限公司 | Agricultural grain processing machinery is with multi-functional dehydration equipment |
| CN114562872A (en) * | 2022-02-18 | 2022-05-31 | 德州职业技术学院（德州市技师学院） | Energy-conserving drying-machine of crops |
-
2020
- 2020-07-31 CN CN202021560750.1U patent/CN213020740U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114294933A (en) * | 2021-12-27 | 2022-04-08 | 山东源泉机械有限公司 | Agricultural grain processing machinery is with multi-functional dehydration equipment |
| CN114294933B (en) * | 2021-12-27 | 2022-10-21 | 山东源泉机械有限公司 | Agricultural grain processing machinery is with multi-functional dehydration equipment |
| CN114562872A (en) * | 2022-02-18 | 2022-05-31 | 德州职业技术学院（德州市技师学院） | Energy-conserving drying-machine of crops |
| CN114562872B (en) * | 2022-02-18 | 2023-08-04 | 德州职业技术学院（德州市技师学院） | Energy-saving dryer for crops |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210420 |