CN207797652U - A kind of spiral drying equipment and system - Google Patents
A kind of spiral drying equipment and system Download PDFInfo
- Publication number
- CN207797652U CN207797652U CN201721875156.XU CN201721875156U CN207797652U CN 207797652 U CN207797652 U CN 207797652U CN 201721875156 U CN201721875156 U CN 201721875156U CN 207797652 U CN207797652 U CN 207797652U
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- thermal
- insulating body
- spiral
- drying equipment
- heat pump
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- 238000001035 drying Methods 0.000 title claims abstract description 52
- 238000012546 transfer Methods 0.000 claims abstract description 32
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 46
- 230000008676 import Effects 0.000 claims description 21
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009471 action Effects 0.000 description 5
- 238000007664 blowing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010013786 Dry skin Diseases 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Drying Of Solid Materials (AREA)
Abstract
The utility model provides a kind of spiral drying equipment and system, belongs to technical field of drying.A kind of spiral drying equipment, including：Thermal-insulating body, vertical screw type conveyer and heat pump components.Thermal-insulating body has inlet port and outlet port；Vertical screw type conveyer is arranged inside thermal-insulating body, and vertical screw type conveyer includes spiral transfer member and drives the actuator of spiral transfer member rotation, and spiral transfer member is configured to that spiral transmission can be carried out along the short transverse of thermal-insulating body；It is connected to inside the air outlet of heat pump components and thermal-insulating body；The return air inlet of heat pump components is connected to thermal-insulating body.It has preferably drying effect, energy utilization rate high.
Description
Technical field
The utility model is related to technical field of drying, in particular to a kind of spiral drying equipment and system.
Background technology
Currently, in drying equipment field, enterprise mostly uses greatly with traditional dryings sides such as coal, combustion gas, fuel oil, microwave, freeze-dryings
Formula, energy consumption and human cost are high.And exhaust gas, the dust that fuel combustion generates can cause certain pollution, and it is easy secondary pollution
Material.
Utility model content
The purpose of this utility model is to provide a kind of spiral drying equipments, have preferably drying effect, energy
Source utilization rate is higher.
The another object of the utility model is to provide a kind of spiral drying system.
The utility model is realized in this way：
A kind of spiral drying equipment, including：Thermal-insulating body, vertical screw type conveyer and heat pump components.
Thermal-insulating body has inlet port and outlet port；
Vertical screw type conveyer is arranged inside thermal-insulating body, and vertical screw type conveyer includes spiral transfer member and drive
The actuator of dynamic spiral transfer member rotation, spiral transfer member are configured to carry out along the short transverse of thermal-insulating body
Spiral transmits；
It is connected to inside the air outlet of heat pump components and thermal-insulating body；The return air inlet of heat pump components is connected to thermal-insulating body.
Further, in a kind of embodiment of the utility model：
Heat pump components include compressor, evaporator, expansion valve, heat exchanger, four-way valve, regenerator and the first wet-emitting blower,
The outlet of compressor and the import of four-way valve connect, three outlets of four-way valve respectively with the import of heat exchanger, evaporator, compression
Machine connects, and the outlet of heat exchanger and the import of expansion valve connect, and the outlet of expansion valve and the import of evaporator connect, evaporator
Outlet is connect with the import of compressor, and the first wet-emitting blower is used for blowing wind into regenerator inside thermal-insulating body.
Further, in a kind of embodiment of the utility model：
Heat pump components are an integral structure, compressor, evaporator, expansion valve, heat exchanger, four-way valve, regenerator and first
Wet-emitting blower is installed in outside thermal-insulating body, and the return air inlet of the first wet-emitting blower is connected to by pipeline with thermal-insulating body.
Further, in a kind of embodiment of the utility model：
Heat pump components are split structure, and compressor, evaporator, four-way valve and expansion valve are arranged outside thermal-insulating body,
Heat exchanger, regenerator and the first wet-emitting blower are installed in inside thermal-insulating body.
Further, in a kind of embodiment of the utility model：
Heat pump components further include new air-valve, and new air-valve is installed on the tank wall of thermal-insulating body, and new air-valve is configured for controlling
Outside air processed enters inside thermal-insulating body.
Further, in a kind of embodiment of the utility model：
Spiral drying equipment includes multiple vertical screw type conveyers, the outlet and import of adjacent vertical screw type conveyer
It overlaps.
Further, in a kind of embodiment of the utility model：
Spiral drying equipment further includes vibration material distributor, and vibration material distributor passes through the feed inlet of thermal-insulating body and is configured
At for material to be delivered to spiral transfer member.
Further, in a kind of embodiment of the utility model：
Spiral drying equipment further includes rewinding component, the outlet connection of rewinding component and vertical screw type conveyer.
Further, in a kind of embodiment of the utility model：
Rewinding component includes rewinding part and is used to support the support element of rewinding part, and multiple wind turbines are equipped on rewinding part.
A kind of spiral drying system comprising above-mentioned spiral drying equipment.
The utility model has the beneficial effects that：The spiral drying equipment that the utility model is obtained by above-mentioned design, makes
Used time, material are put into from the feed inlet of thermal-insulating body on spiral transfer member, work of the spiral transfer member in actuator
Rotated under, during rotation, material due to centrifugal force and frictional force act on spiral transfer member by
It is gradually transported to the exit of spiral transfer member, it then can be by material collection from the discharge port of thermal-insulating body.Material is being protected
When incubator body stops, outside air is absorbed then to blowing hot-air inside thermal-insulating body by heat pump components, material can be abundant
Ground is dried, and effect is preferable, and energy utilization rate is higher.After with hot wind heat exchange occurs for material, some moisture is will produce, it is wet
Gas, which is entered by return air inlet in heat pump components, to be handled, and is then entered inside thermal-insulating body in the form of hot wind again.Entire drying
Equipment is the pattern of closed circulation drying.Energy consumption is few, safe and environment-friendly, is avoided that secondary pollution.
Description of the drawings
It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not
The restriction to range is should be considered as, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other relevant attached drawings.
Fig. 1 is the structural schematic diagram for the spiral drying equipment that the utility model embodiment provides；
Fig. 2 is the structural schematic diagram for the spiral drying equipment that the utility model embodiment provides；
Fig. 3 is a kind of structural schematic diagram for heat pump components that the utility model embodiment provides；
Fig. 4 is the process flow chart for the heat pump components that the utility model embodiment provides；
Fig. 5 is the structural schematic diagram for another heat pump components that the utility model embodiment provides.
Icon：The spiral drying equipments of 10-；100- thermal-insulating bodies；The second wet-emitting blowers of 200-；300- heat pump components；
310- regenerators；The first wet-emitting blowers of 320-；330- heat exchangers；340- expansion valves；350- compressors；360- new air-valves；370-
Evaporator；380- four-way valves；400- vertical screw type conveyers；The spiral transfer members of 410-；500- vibration material distributors；610- is received
Materials and parts；611- wind turbines.
Specific implementation mode
To keep the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with this practicality
The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows
So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on this practicality
Embodiment in novel, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
Therefore, the detailed description of the embodiment of the utility model provided in the accompanying drawings is not intended to limit below and is wanted
The scope of the utility model of protection is sought, but is merely representative of the selected embodiment of the utility model.Based on the utility model
In embodiment, the every other implementation that those of ordinary skill in the art are obtained without creative efforts
Mode shall fall within the protection scope of the present invention.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it should be understood that term " length " "upper", "lower", "left", "right", "top",
"bottom", "inner", "outside", etc. instructions orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for describing the utility model and simplifying to describe, specific side must be had by not indicating or implying the indicated equipment or element
Position, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
The meaning of " plurality " is two or more in the description of the present invention, unless otherwise clearly specific
It limits.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be
It is connected directly, can also can be indirectly connected through an intermediary the mutual of connection inside two elements or two elements
Interactively.For the ordinary skill in the art, it can understand that above-mentioned term is new in this practicality as the case may be
Concrete meaning in type.
Embodiment
The present embodiment provides a kind of spiral drying equipments 10, please refer to Fig. 1 and Fig. 2.Spirally drying equipment 10 includes
Thermal-insulating body 100, vertical screw type conveyer 400 and heat pump components 300.
Specifically, vertical screw type conveyer 400 is arranged inside thermal-insulating body 100, and vertical screw type conveyer 400 includes spiral shell
Rotating transfer member 410 and the actuator for driving spiral transfer member 410 to rotate, spiral transfer member 410 are configured to
Spiral transmission can be carried out along the short transverse of thermal-insulating body 100.
The air outlet of heat pump components 300 is connected to 100 inside of thermal-insulating body；The return air inlet and incubator of heat pump components 300
Body 100 is connected to.
In use, material is put into from the feed inlet of thermal-insulating body 100 on spiral transfer member 410, it is spiral to transmit
Component 410 is rotated under the action of actuator, and during rotation, material is acted on due to centrifugal force and frictional force
The exit of spiral transfer member 410 is gradually transported on spiral transfer member 410, then from thermal-insulating body 100
Discharge port can be by material collection.Material when thermal-insulating body 100 stops, by heat pump components 300 absorb outside air then to
100 inside blowing hot-air of thermal-insulating body, material can be sufficiently carried out drying, and effect is preferable, and energy utilization rate is higher.Material
After heat exchange occurs with hot wind, some moisture is will produce, moisture, which is entered by return air inlet in heat pump components 300, to be handled, then
Entered in the form of hot wind inside thermal-insulating body 100 again.Entire spiral drying equipment 10 is the mould of closed circulation drying
Formula.Energy consumption is few, safe and environment-friendly, is avoided that secondary pollution.
It should be noted that the direction of transfer of spiral transfer member 410 can be spiral transmission from top to bottom, it can also
It is worm drive from top to bottom.In addition, in this example, actuator is speed reducer.In other embodiments, actuator is alternatively
Common electric machine.
Further, spiral drying equipment 10 includes multiple vertical screw type conveyers 400, the conveying of adjacent vertical spin
The outlet of machine 400 overlaps with import.
In the present embodiment, spiral drying equipment 10 includes two vertical screw type conveyers 400, the vertical spin of left end
The outlet of conveyer 400 and the import of the vertical screw type conveyer 400 of right end connect.
The spiral transfer member 410 of the vertical screw type conveyer 400 of left end by material from below helical conveyer to top
Outlet, then material enter the spiral transfer member 410 of the vertical screw type conveyer 400 of right end, by material on to
Lower spiral is transported.
Further, in this embodiment, spiral drying equipment 10 further includes vibration material distributor 500, vibration material distributor 500
Across thermal-insulating body 100 feed inlet and be configured for material being delivered to spiral transfer member 410.In the present embodiment
In, vibration material distributor 500 is used to material being delivered to the spiral transfer member 410 of left end.
Spiral drying equipment 10 further includes rewinding component, and rewinding component is connect with the outlet of vertical screw type conveyer 400.
In the present embodiment, the outlet connection of the vertical screw type conveyer 400 of rewinding component and right end.
In use, first launching material onto vibration material distributor 500, material is shaken under the action of vibration material distributor 500
It is dynamic loose, it is then sent on the spiral transfer member 410 of the vertical screw type conveyer 400 of left end, then from top to bottom
By the outlet of the vertical screw type conveyer 400 of helical feed to left end, the spiral of the vertical screw type conveyer 400 of right end is then arrived
On formula transfer member 410, from top to bottom by the outlet of the vertical screw type conveyer 400 of helical feed to right end, enter finally into
It is collected on rewinding component.
In the present embodiment, rewinding component includes rewinding part 610 and is used to support the support element of rewinding part 610, rewinding part
Multiple wind turbines 611 are installed on 610.
Material is collected on the rewinding part 610 of rewinding component, and the temperature of material is higher.Due on rewinding part 610
Wind turbine 611 is installed, is dried to material by wind turbine 611, can preferably be distributed on rewinding part 610 by dry material
Some heats cool down.
Further, in the present embodiment, the top of thermal-insulating body 100 is additionally provided with the second wet-emitting blower 200, passes through
The some moisture inside thermal-insulating body 100 can be discharged for two wet-emitting blowers 200.
In addition, please referring to Fig. 3 and Fig. 4, heat pump components 300 include compressor 350, evaporator 370, expansion valve 340, heat exchange
Device 330, four-way valve 380, regenerator 310 and the first wet-emitting blower 320, the outlet of compressor 350 connect with the import of four-way valve 380
It connects, three outlets of four-way valve 380 are connect with the import of heat exchanger 330, evaporator 370, compressor 350 respectively, heat exchanger 330
Outlet connect with the import of expansion valve 340, the outlet of expansion valve 340 is connect with the import of evaporator 370, evaporator 370
Outlet is connect with the import of compressor 350, and the first wet-emitting blower 320 inside thermal-insulating body 100 for will blow wind into regenerator
In 310.
The refrigerant high pressure steam that compressor 350 is discharged is through in 380 inflow heat exchanger 330 of four-way valve, refrigerant vapour is cold
Heat is released when solidifying, and the outside air that heat exchanger 330 absorbs is heated from the air outlet of heat exchanger 330 and enters thermal-insulating body
Inside 100.The expanded valve 340 of high-pressure refrigeration liquid flowed out from heat exchanger 330 enters evaporator 370 after being depressured.In thermal-insulating body
In 100, heat exchange occurs between hot wind and dried object, dried object is dried, while generating some moisture.Inside evaporator 370
Refrigerating fluid absorb moisture heat gaseous state is become by liquid, condensed water therein is discharged because of cooling for moisture.Evaporator 370
Refrigerating fluid steam send to heat exchanger 330 through four-way valve 380 after being boosted by compressor 350 and is continuing with, and so recycles.While first
Wet-emitting blower 320 will be blown by return air inlet in regenerator 310 with moist wind, wet when moisture flows through regenerator 310
After regenerator 310 is exchanged heat, waste heat enters inside thermal-insulating body 100 gas again.
In the present embodiment, heat pump components 300 are an integral structure, and compressor 350, expansion valve 340, changes evaporator 370
Hot device 330, four-way valve 380, regenerator 310 and the first wet-emitting blower 320 are installed in outside thermal-insulating body 100, the first hydrofuge
The return air inlet of wind turbine 320 is connected to by pipeline with thermal-insulating body 100.
Fig. 5 is please referred to, in other embodiments, heat pump components 300 or split structure, compressor 350, evaporator
370, four-way valve 380 and expansion valve 340 are arranged outside thermal-insulating body 100, heat exchanger 330, regenerator 310 and first row wet wind
Machine 320 is installed in inside thermal-insulating body 100.The import of heat exchanger 330 is connected by the outlet of four-way valve 380 and compressor 350
It connects, the outlet of heat exchanger 330 is connect by copper pipe or titanium tube with the import of expansion valve 340.New air-valve 360 is mounted on thermal-insulating body
100 side wall, after the moisture inside thermal-insulating body 100 is discharged, air pressure inside is lower, and passes through the controllable external world of new air-valve 360
Air enters inside thermal-insulating body 100.
By new air-valve 360 to entering the wind inside thermal-insulating body 100, refrigerant vapour releases heat when heat exchanger 330 condenses
Amount will become hot wind inside thermal-insulating body 100, and then dried object can be dried.
It should be noted that a thermal-insulating body 100 can use multiple heat pump components 300, multiple heat pump components 300 can be complete
Portion is an integral structure, and can be entirely split structure, can also be the heat pump components of integral structure and multi-hull type structure
300 are used in conjunction with.
In addition, observing the material delivery situation inside thermal-insulating body 100, in the present embodiment, thermal-insulating body for convenience
100 side wall is also provided with door and window (not shown), and the quantity and size of door and window can be according to the tools of thermal-insulating body 100
Body situation is designed.
The operation principle of the spiral drying equipment 10 of the present embodiment：
In use, first launching material onto vibration material distributor 500, material is shaken under the action of vibration material distributor 500
It is dynamic loose, it is then sent on the spiral transfer member 410 of the vertical screw type conveyer 400 of left end, spiral transport unit
Part 410 is rotated under the action of actuator, during rotation, material due under the action of centrifugal force and frictional force from
Under on by the outlet of the vertical screw type conveyer 400 of helical feed to left end, then arrive the vertical screw type conveyer 400 of right end
Spiral transfer member 410 on, from top to bottom by the outlet of the vertical screw type conveyer 400 of helical feed to right end, finally
It enters on rewinding component and is collected.Material absorbs extraneous sky when thermal-insulating body 100 stops, by heat pump components 300
Gas is then to 100 inside blowing hot-air of thermal-insulating body, and material can be sufficiently carried out drying, and effect is preferable, and energy utilization rate
It is higher.After with hot wind heat exchange occurs for material, some moisture is will produce, moisture enters quilt in heat pump components 300 by return air inlet
Then processing is entered inside thermal-insulating body 100 in the form of hot wind again.Entire spiral drying equipment 10 is a closed circulation
Dry pattern.Energy consumption is few, safe and environment-friendly, is avoided that secondary pollution.
The present embodiment also provides a kind of spiral drying system (not shown) comprising above-mentioned spiral drying is set
For 10 and then control system.Control system can be used for controlling the operation of speed reducer, the operations such as compressor 350 of heat pump components 300.
The operation of automation is more convenient.
Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for
For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model
Within then, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of spiral drying equipment, which is characterized in that including：
Thermal-insulating body, the thermal-insulating body have inlet port and outlet port；
Vertical screw type conveyer, the vertical screw type conveyer are arranged inside the thermal-insulating body, the vertical spin conveying
Machine includes spiral transfer member and drives the actuator of the spiral transfer member rotation, the spiral transfer member quilt
It is configured to that spiral transmission can be carried out along the short transverse of the thermal-insulating body；And
It is connected to inside heat pump components, the air outlet of the heat pump components and the thermal-insulating body；The return air inlet of the heat pump components
It is connected to the thermal-insulating body.
2. spiral drying equipment according to claim 1, which is characterized in that the heat pump components include compressor, steam
Send out device, expansion valve, heat exchanger, four-way valve, regenerator and the first wet-emitting blower, outlet and the four-way valve of the compressor
Import connects, and three outlets of four-way valve are connect with the import of the heat exchanger, the evaporator, the compressor respectively, institute
The outlet for stating heat exchanger is connect with the import of the expansion valve, and the outlet of the expansion valve is connect with the import of the evaporator,
The outlet of the evaporator is connect with the import of the compressor, and first wet-emitting blower is used for the wind inside thermal-insulating body
It blows into regenerator.
3. spiral drying equipment according to claim 2, which is characterized in that the heat pump components are an integral structure,
The compressor, evaporator, expansion valve, heat exchanger, four-way valve, regenerator and first wet-emitting blower are installed in the guarantor
Outside incubator body, the return air inlet of first wet-emitting blower is connected to by pipeline with the thermal-insulating body.
4. spiral drying equipment according to claim 2, which is characterized in that the heat pump components are split structure,
The compressor, the evaporator, the four-way valve and the expansion valve are arranged outside the thermal-insulating body, the heat exchange
Device, the regenerator and first wet-emitting blower are installed in inside the thermal-insulating body.
5. spiral drying equipment according to claim 4, which is characterized in that the heat pump components further include new air-valve,
The new air-valve is installed on the tank wall of the thermal-insulating body, and the new air-valve is configured for described in control outside air entrance
Inside thermal-insulating body.
6. according to the spiral drying equipment of claim 1-5 any one of them, which is characterized in that the spiral drying equipment
Including multiple vertical screw type conveyers, the outlet of the adjacent vertical screw type conveyer overlaps with import.
7. spiral drying equipment according to claim 1, which is characterized in that the spiral drying equipment further includes shaking
Dynamic material distributing machine, the vibration material distributor pass through the feed inlet of the thermal-insulating body and are configured for material being delivered to described
Spiral transfer member.
8. spiral drying equipment according to claim 1, which is characterized in that the spiral drying equipment further includes receiving
Expect that component, the rewinding component are connect with the outlet of the vertical screw type conveyer.
9. spiral drying equipment according to claim 8, which is characterized in that the rewinding component includes rewinding part and use
In being equipped with multiple wind turbines on the support element for supporting the rewinding part, the rewinding part.
10. a kind of spiral drying system, which is characterized in that it includes that claim 1-9 any one of them is spirally dried
Equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721875156.XU CN207797652U (en) | 2017-12-28 | 2017-12-28 | A kind of spiral drying equipment and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721875156.XU CN207797652U (en) | 2017-12-28 | 2017-12-28 | A kind of spiral drying equipment and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207797652U true CN207797652U (en) | 2018-08-31 |
Family
ID=63278788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721875156.XU Expired - Fee Related CN207797652U (en) | 2017-12-28 | 2017-12-28 | A kind of spiral drying equipment and system |
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| CN (1) | CN207797652U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608598A (en) * | 2019-08-30 | 2019-12-24 | 山东省农业机械科学研究院 | Corn ear grain linkage drying production line |
-
2017
- 2017-12-28 CN CN201721875156.XU patent/CN207797652U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608598A (en) * | 2019-08-30 | 2019-12-24 | 山东省农业机械科学研究院 | Corn ear grain linkage drying production line |
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Granted publication date: 20180831 |