CN112027532A - Auger-free grain drier and material conveying method - Google Patents
Auger-free grain drier and material conveying method Download PDFInfo
- Publication number
- CN112027532A CN112027532A CN202010897040.6A CN202010897040A CN112027532A CN 112027532 A CN112027532 A CN 112027532A CN 202010897040 A CN202010897040 A CN 202010897040A CN 112027532 A CN112027532 A CN 112027532A
- Authority
- CN
- China
- Prior art keywords
- material conveying
- conveying plate
- vibration
- auger
- plate
- 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.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G27/00—Jigging conveyors
- B65G27/04—Load carriers other than helical or spiral channels or conduits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G27/00—Jigging conveyors
- B65G27/08—Supports or mountings for load-carriers, e.g. framework, bases, spring arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G27/00—Jigging conveyors
- B65G27/10—Applications of devices for generating or transmitting jigging movements
- B65G27/16—Applications of devices for generating or transmitting jigging movements of vibrators, i.e. devices for producing movements of high frequency and small amplitude
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
- B65G2201/042—Granular material
-
- 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 good
- F26B2200/06—Grains, e.g. cereals, wheat, rice, corn
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Jigging Conveyors (AREA)
Abstract
The application discloses no auger grain drier and material conveying method, no auger grain drier include the material conveyer plate of material export installation, material conveyer plate bottom is provided with shock dynamo, shock dynamo with be provided with vibrations spring between the material conveyer plate. After the drying of the grain drier is finished, the grain drier is conveyed to the material conveying plate from the inside of the drier, and the vibration motor at the bottom of the material conveying plate drives the vibration springs to vibrate alternately, so that the vibration of the material conveying plate is realized. The material conveying plate realizes the transmission of the material through the amplitude direction generated by vibration, and the material conveying plate can not generate friction with the material due to the adoption of vibration transmission, so that the problem that the crushing rate of the material is reduced when the material is transmitted is avoided.
Description
Technical Field
The application relates to the technical field of agricultural equipment, in particular to a screw-free grain dryer and a material conveying method.
Background
The grain drier is mainly used for drying rice and wheat, when the grain drier works, the motor drives the impeller of the axial flow fan to rotate at a high speed, hot air generated by combustion of a coal stove is sucked into the fan through the upper part of the air partition plate, mixed gas is formed by the hot air sucked into the fan from the lower part of the air partition plate, the mixed gas enters the stacking rack through the wind-shielding pipe and then is diffused (the mixed gas is diffused more uniformly under the action of the hot air reflecting plate), when the mixed gas penetrates through a grain layer on the stacking rack, the temperature of the grains is properly improved while a large amount of steam is taken away, and the grains are gradually dried. The temperature of the mixed gas can be adjusted by the difference of the opening angles of the temperature adjusting cover and the temperature adjusting plate.
After the grain drier finishes drying the grains, the grains need to be conveyed out. Grain dryers of the prior art typically convey grain through an auger conveyor. Although the auger conveyor can convey the grains, the grains can rub against the auger blades during the conveying process, so that the conveyed grains are broken.
Disclosure of Invention
In order to solve the technical problems, the following technical scheme is provided:
in a first aspect, the embodiment of the application provides a no auger grain drier, grain drier's material export installation material delivery board, material delivery board bottom is provided with shock dynamo, shock dynamo with be provided with vibrations spring between the material delivery board.
Adopt above-mentioned implementation, grain drier drying finishes the back, from the inside material delivery board that carries of desiccator on, the shock dynamo of material delivery board bottom drives vibrations spring vibrations in turn, has realized the vibrations of material delivery board. The material conveying plate realizes the transmission of the material through the amplitude direction generated by vibration, and the material conveying plate can not generate friction with the material due to the adoption of vibration transmission, so that the problem that the crushing rate of the material is reduced when the material is transmitted is avoided.
With reference to the first aspect, in a first possible implementation manner of the first aspect, the vibration motors are provided in plurality, and the plurality of vibration motors are uniformly arranged at the bottom of the material conveying plate. Different vibration strengths can be realized by the plurality of vibration motors, and the vibration motors with proper quantity are selected to generate vibration to realize optimal material conveying according to the required material conveying amount.
With reference to the first possible implementation manner of the first aspect, in a second possible implementation manner of the first aspect, a contact surface of the material conveying plate and the material is a smooth surface, and a width of a feeding end of the material conveying plate is greater than that of a discharging end. The contact surface of the material conveying plate and the material is smooth, so that the friction between the material and the material conveying plate is reduced, and the material conveying plate is beneficial to material transmission. The width that the feed end set up is little, can guarantee that the material can flow to the discharge end after getting into material delivery board.
With reference to the first aspect, in a third possible implementation manner of the first aspect, the vibration motor is connected to a control console, and the control console is provided with an operation button.
With reference to the second possible implementation manner of the first aspect, in a fourth possible implementation manner of the first aspect, a baffle is disposed at a discharge end of the material conveying plate, one end of the baffle is coupled to the edge of one side of the material conveying plate, and the other end of the baffle is movably connected to the edge of the other side. The baffle can be opened or closed by manual operation, and when the material flow conveying capacity meets the requirement, the baffle can be closed in time, so that the problem that the material is scattered is avoided.
With reference to the first aspect, in a fifth possible implementation manner of the first aspect, an included angle between the plane of the material conveying plate and the horizontal plane is 10 to 15 degrees. The material conveying plate is arranged to be in an inclined state, and the smoothness of material conveying is further guaranteed.
In a second aspect, the present application provides a material conveying method, which uses the auger-free grain dryer of the first aspect or any one of the possible implementations of the first aspect, and the method includes: conveying the dried material to a material conveying plate; starting the vibration motor according to the material quantity to be conveyed to enable the material conveying plate to generate amplitude; and controlling the vibration frequency of the vibration motor to convey the grains in the grain conveying process.
With reference to the second aspect, in a first possible implementation manner of the second aspect, the starting the vibration motor according to the amount of the material to be conveyed to make the material conveying plate generate an amplitude includes: determining the weight of the material to be conveyed; and determining the number of the motors needing to be started and the vibration frequency of the motors according to the weight of the material.
With reference to the first possible implementation manner of the second aspect, in a second possible implementation manner of the second aspect, the vibration frequency of the motor at the initial stage of material conveying is changed from small to large, and the vibration frequency of the motor at the final stage of material conveying is changed from large to small.
Drawings
FIG. 1 is a schematic diagram of a non-auger grain dryer according to an embodiment of the present disclosure;
fig. 2 is a schematic view of a control console according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a material conveying plate according to an embodiment of the present application;
fig. 4 is a schematic flow chart of a material conveying method according to an embodiment of the present disclosure;
FIG. 5 is a schematic diagram of a controller provided in an embodiment of the present application;
in fig. 1 to 5, the symbols are represented as:
the device comprises a conveying plate 1, a vibrating motor 2, a vibrating spring 3, a control operation table 4, an operation key 5 and a baffle 6.
Detailed Description
The present invention will be described with reference to the accompanying drawings and embodiments.
Fig. 1 is the structure schematic diagram of a no auger grain drier that this application embodiment provided, refers to fig. 1, and no auger grain drier in this embodiment material export installation material delivery board 1 of grain drier, material delivery board 1 bottom is provided with vibrating motor 2, vibrating motor 2 with be provided with vibrations spring 3 between the material delivery board 1.
The vibration motors 2 are arranged in a plurality of numbers, and the vibration motors 2 are uniformly arranged at the bottom of the material conveying plate 1. Different vibration strengths can be realized by the plurality of vibration motors 2, and the vibration motors 2 with proper quantity are selected to generate vibration to realize optimal material conveying according to the required material conveying amount.
The material conveying plate 1 and the material contact surface are smooth surfaces, and the width of the feed end of the material conveying plate 1 is larger than that of the discharge end. The contact surface of the material conveying plate 1 and the material is smooth, so that the friction between the material and the material conveying plate 1 is reduced, and the material conveying plate is beneficial to the transmission of the material. The width that the feed end set up is little, can guarantee that the material can flow to the discharge end after getting into material conveying board 1.
Referring to fig. 2, the vibration motor 2 is connected with a control console 4, and the control console 4 is provided with an operation button 5. The starting and stopping of the motor and the frequency control of the motor can be realized by operating the key 5.
Referring to fig. 3, a baffle 6 is arranged at the discharge end of the material conveying plate 1, one end of the baffle 6 is coupled to the edge of one side of the material conveying plate 1, and the other end of the baffle 6 is movably connected to the edge of the other side. Can manual operation open or close baffle 6, when the commodity circulation volume of carrying reaches the requirement, can be timely close baffle 6 to the unrestrained problem of material has been avoided.
In the embodiment, an included angle of 10-15 degrees exists between the plane of the material conveying plate 1 and the horizontal plane. The material conveying plate 1 is arranged to be in an inclined state, and the smoothness of material conveying is further guaranteed.
Known from the above-mentioned embodiment, the no auger grain drier that this embodiment provided, after the grain drier is dried, from the inside material conveying plate 1 that carries of desiccator, the vibrations of material conveying plate 1 bottom are realized to the vibrations that vibrating motor 2 drove vibrations spring 3 in turn on, material conveying plate 1. The material conveying plate 1 realizes the transmission of the material through the amplitude direction generated by vibration, and the material conveying plate can not generate friction with the material due to the adoption of vibration transmission, so that the problem that the crushing rate of the material is reduced when the material is transmitted is avoided.
Corresponding to the auger-free grain drier provided by the embodiment, the application also provides an embodiment of a material conveying method. Referring to fig. 4, the method includes:
and S101, conveying the dried material to a material conveying plate.
S102, starting the vibration motor according to the material quantity to be conveyed to enable the material conveying plate to generate vibration amplitude.
The material volume that carries as required starts vibrating motor 2 makes material conveying plate 1 produce the amplitude, includes: determining the weight of the material to be conveyed; and determining the number of the motors needing to be started and the vibration frequency of the motors according to the weight of the material.
S103, controlling the vibration frequency of the vibration motor to convey the grains in the grain conveying process.
The vibration frequency of the motor at the initial stage of material conveying is changed from small to large, and the vibration frequency of the motor at the final stage of material conveying is changed from large to small. The material quantity is smaller at the initial stage of material conveying, and the material conveying quantity is about to reach the standard at the final stage, so that the vibration frequency of the motor is smaller at the moment. The middle conveying process is a key stage of material conveying, and at the moment, the vibration frequency of the motor is high, and the material conveying amount is large.
The embodiment of the present application further provides a controller for controlling the vibration motor 2, referring to fig. 5, the controller includes: a processor 201, a memory 202, and a communication interface 203.
In fig. 5, the processor 201, the memory 202, and the communication interface 203 may be connected to each other by a bus; the bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown in FIG. 5, but this is not intended to represent only one bus or type of bus.
The processor 201 generally controls the overall functions of the controller 20, such as starting the controller, and conveying the dried material to the material conveying plate 1 after the controller is started; starting the vibration motor 2 according to the material quantity to be conveyed to enable the material conveying plate 1 to generate amplitude; and controlling the vibration frequency of the vibration motor 2 in the grain conveying process to convey the grains.
Further, the processor 201 may be a general-purpose processor, such as a Central Processing Unit (CPU), a Network Processor (NP), or a combination of a CPU and an NP. The processor may also be a Microprocessor (MCU). The processor may also include a hardware chip. The hardware chips may be Application Specific Integrated Circuits (ASICs), Programmable Logic Devices (PLDs), or a combination thereof. The PLD may be a Complex Programmable Logic Device (CPLD), a Field Programmable Gate Array (FPGA), or the like.
The memory 202 is configured to store computer-executable instructions to support the operation of the controller 20 data. The memory 201 may be implemented by any type or combination of volatile or non-volatile memory devices, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
After controller 20 is activated, processor 201 and memory 202 are powered up, and processor 201 reads and executes computer-executable instructions stored in memory 202 to perform all or a portion of the steps in the material handling method embodiments described above.
The communication interface 203 is used for the controller 20 to transmit data, for example, to realize data communication and data processing with the control console 4 and the vibration motor 2. The communication interface 203 includes a wired communication interface, and may also include a wireless communication interface. The wired communication interface comprises a USB interface, a Micro USB interface and an Ethernet interface. The wireless communication interface may be a WLAN interface, a cellular network communication interface, a combination thereof, or the like.
In an exemplary embodiment, the controller 20 provided by the embodiments of the present application further includes a power supply component that provides power to the various components of the controller 20. The power components may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the controller 20.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Of course, the above description is not limited to the above examples, and technical features that are not described in this application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only for illustrating the technical solutions of the present application and not for limiting the present application, and the present application is only described in detail with reference to the preferred embodiments instead, it should be understood by those skilled in the art that changes, modifications, additions or substitutions within the spirit and scope of the present application may be made by those skilled in the art without departing from the spirit of the present application, and the scope of the claims of the present application should also be covered.
Claims (9)
1. The utility model provides a no auger grain drier which characterized in that, grain drier's material export installation material delivery board, material delivery board bottom is provided with shock dynamo, shock dynamo with be provided with vibrations spring between the material delivery board.
2. The auger-free grain dryer of claim 1, wherein the plurality of vibration motors are arranged and are uniformly arranged at the bottom of the material conveying plate.
3. The auger-free grain dryer of claim 2, wherein the material conveying plate is smooth on the material contact surface, and the width of the feed end of the material conveying plate is greater than that of the discharge end.
4. The auger-free grain dryer of claim 1, wherein the vibration motor is connected with a control console, and the control console is provided with an operation button.
5. The auger-free grain dryer as claimed in claim 3, wherein the discharge end of the material conveying plate is provided with a baffle, one end of the baffle is coupled to the edge of one side of the material conveying plate, and the other end of the baffle is movably connected to the edge of the other side.
6. The auger-free grain dryer of claim 1, wherein the plane of the material conveying plate is at an angle of 10 to 15 degrees to the horizontal.
7. A method of material transfer, using the auger-free grain dryer of any one of claims 1-6, the method comprising:
conveying the dried material to a material conveying plate;
starting the vibration motor according to the material quantity to be conveyed to enable the material conveying plate to generate amplitude;
and controlling the vibration frequency of the vibration motor to convey the grains in the grain conveying process.
8. The material conveying method according to claim 7, wherein the starting of the vibrating motor according to the material amount to be conveyed enables the material conveying plate to generate vibration amplitude, and the method comprises the following steps:
determining the weight of the material to be conveyed;
and determining the number of the motors needing to be started and the vibration frequency of the motors according to the weight of the material.
9. The material conveying method according to claim 7, wherein the vibration frequency of the motor at the initial stage of material conveying is changed from small to large, and the vibration frequency of the motor at the final stage of material conveying is changed from large to small.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010897040.6A CN112027532A (en) | 2020-08-31 | 2020-08-31 | Auger-free grain drier and material conveying method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010897040.6A CN112027532A (en) | 2020-08-31 | 2020-08-31 | Auger-free grain drier and material conveying method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112027532A true CN112027532A (en) | 2020-12-04 |
Family
ID=73586421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010897040.6A Pending CN112027532A (en) | 2020-08-31 | 2020-08-31 | Auger-free grain drier and material conveying method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112027532A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2132548A1 (en) * | 1971-04-08 | 1972-11-24 | Hills Bros Coffee | Vibratory conveyors - with cooled tiers and support frame in freeze drying vessel |
| CN2548974Y (en) * | 2002-05-22 | 2003-05-07 | 中国冶金建设集团鞍山冶金设计研究总院 | Multiple platform vibrating ore transferrer |
| CN202279479U (en) * | 2011-07-12 | 2012-06-20 | 湖南衡阳新澧化工有限公司 | Material distributing device |
| CN202369069U (en) * | 2011-12-14 | 2012-08-08 | 北京远东加大科技发展有限公司 | Vibration hoisting machine |
| CN202807734U (en) * | 2012-09-29 | 2013-03-20 | 新乡市飞龙冶金机械有限公司 | Automatic control vibration distributing device |
| CN205418870U (en) * | 2015-12-16 | 2016-08-03 | 石狮市酷瑞电气有限责任公司 | Configuration variable frequency speed regulating system's vibrations batcher |
| CN206336717U (en) * | 2016-12-16 | 2017-07-18 | 鹤壁市煤化机械有限责任公司 | Many platens linkage overlength vibration ore dumping machines |
| CN206375319U (en) * | 2017-01-16 | 2017-08-04 | 徐州中矿双耀机电设备制造有限公司 | Self synchronous inertia vibration feeding machine |
| CN110171671A (en) * | 2019-06-26 | 2019-08-27 | 中冶赛迪工程技术股份有限公司 | A kind of exciting module and vibration excitor |
| CN110775529A (en) * | 2019-11-01 | 2020-02-11 | 温州杭钢水务有限公司 | Lifting and conveying equipment capable of filtering and dewatering sludge |
-
2020
- 2020-08-31 CN CN202010897040.6A patent/CN112027532A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2132548A1 (en) * | 1971-04-08 | 1972-11-24 | Hills Bros Coffee | Vibratory conveyors - with cooled tiers and support frame in freeze drying vessel |
| CN2548974Y (en) * | 2002-05-22 | 2003-05-07 | 中国冶金建设集团鞍山冶金设计研究总院 | Multiple platform vibrating ore transferrer |
| CN202279479U (en) * | 2011-07-12 | 2012-06-20 | 湖南衡阳新澧化工有限公司 | Material distributing device |
| CN202369069U (en) * | 2011-12-14 | 2012-08-08 | 北京远东加大科技发展有限公司 | Vibration hoisting machine |
| CN202807734U (en) * | 2012-09-29 | 2013-03-20 | 新乡市飞龙冶金机械有限公司 | Automatic control vibration distributing device |
| CN205418870U (en) * | 2015-12-16 | 2016-08-03 | 石狮市酷瑞电气有限责任公司 | Configuration variable frequency speed regulating system's vibrations batcher |
| CN206336717U (en) * | 2016-12-16 | 2017-07-18 | 鹤壁市煤化机械有限责任公司 | Many platens linkage overlength vibration ore dumping machines |
| CN206375319U (en) * | 2017-01-16 | 2017-08-04 | 徐州中矿双耀机电设备制造有限公司 | Self synchronous inertia vibration feeding machine |
| CN110171671A (en) * | 2019-06-26 | 2019-08-27 | 中冶赛迪工程技术股份有限公司 | A kind of exciting module and vibration excitor |
| CN110775529A (en) * | 2019-11-01 | 2020-02-11 | 温州杭钢水务有限公司 | Lifting and conveying equipment capable of filtering and dewatering sludge |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2000266466A (en) | Method and device for drying granular object | |
| CN209877520U (en) | Organic fertilizer conveying and drying device | |
| US10767926B2 (en) | Mixed-flow grain dryer with cross-flow vacuum cool heat recovery system | |
| CN110887341A (en) | Drying device for thermal insulation material | |
| CN112027532A (en) | Auger-free grain drier and material conveying method | |
| KR200492686Y1 (en) | Grain discharging apparatus and grain dryer having the same | |
| KR200187758Y1 (en) | Drying apparatus for agricultural-ocean products | |
| US3078590A (en) | Grain dryer | |
| CN110081697B (en) | Grain drying device capable of uniformly conveying air | |
| JP2004125387A (en) | Drying apparatus for hydrous matter and garbage drying apparatus | |
| US20200386476A1 (en) | Bridge reducing mixed-flow grain dryer with cross-flow vacuum cool heat recovery system | |
| KR101433219B1 (en) | Vibratory hot wind dryer | |
| CN220959428U (en) | Conveying spiral dryer | |
| RU186476U1 (en) | DEVICE FOR GRAIN DRYING | |
| CN213713798U (en) | Guanidine hydrochloride high efficiency gyration drying device | |
| KR20150123508A (en) | Apparatus for roasting and drying laver | |
| JP2529815B2 (en) | Hot air drying method and apparatus thereof | |
| CN216769984U (en) | A fan drying system for asphalt concrete | |
| JP2022124737A (en) | Heating apparatus of wash-free rice processing thermal adhesion material | |
| CN205052740U (en) | Tea dryer | |
| CN209623318U (en) | A kind of high-efficiency drying apparatus for granular material | |
| CN212482016U (en) | Drying equipment with preprocessing structure | |
| CN208671051U (en) | Coal supply system and its coal scuttle | |
| CN217543657U (en) | Blowing type temperature control arm | |
| CN214447951U (en) | High-speed high-precision energy-saving foaming machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201204 |
|
| RJ01 | Rejection of invention patent application after publication |