CN115727653A - Solid-state alternative fuel drying device - Google Patents

Solid-state alternative fuel drying device Download PDF

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Publication number
CN115727653A
CN115727653A CN202211421215.1A CN202211421215A CN115727653A CN 115727653 A CN115727653 A CN 115727653A CN 202211421215 A CN202211421215 A CN 202211421215A CN 115727653 A CN115727653 A CN 115727653A
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CN
China
Prior art keywords
bin body
air inlet
outer bin
rotating shaft
drying
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Pending
Application number
CN202211421215.1A
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Chinese (zh)
Inventor
马旭
高敏
徐一源
刘建
蔡顺华
李文祎
徐双影
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Chengdu Design & Research Institute Of Building Materials Industry Co ltd
Original Assignee
Chengdu Design & Research Institute Of Building Materials Industry Co ltd
Priority date (The priority date 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 date listed.)
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Priority to CN202211421215.1A priority Critical patent/CN115727653A/en
Publication of CN115727653A publication Critical patent/CN115727653A/en
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Abstract

The invention relates to the technical field of energy conservation and environmental protection, and aims to solve the problems of low drying efficiency, uneven material drying and poor applicability of the existing drying device, and provides a solid substitute fuel drying device which comprises an outer bin body, wherein the outer bin body is provided with a main feed inlet and an air inlet, the main feed inlet is used for feeding materials, the air inlet is used for connecting an air inlet pipeline, a plurality of layers of drying units are arranged in the outer bin body, two adjacent layers of drying units are communicated, each drying unit comprises a material bearing table fixed on the inner wall of the outer bin body and a rotating mechanism positioned above the material bearing table, and the bottom of the outer bin body is provided with a main discharge outlet and a main air outlet; above-mentioned drying device simple structure, area is little, is fit for the industrialization and uses widely, and its inside is equipped with multilayer stoving unit, can extend extension material drying area greatly, and extension dwell time makes the material dry more evenly, improves the stoving effect, improves material drying efficiency to be adapted to various solid-state alternative fuels.

Description

Solid-state alternative fuel drying device
Technical Field
The invention relates to the technical field of energy conservation and environmental protection, in particular to a solid alternative fuel drying device.
Background
The Alternative Fuel (AF) is a general term capable of replacing the traditional fossil fuel, and can be divided into solid, liquid and gas according to forms, and the solid alternative fuel is mostly applied at present, such as straw, wood chips, RDF and the like.
The alternative fuel has the advantage of low carbon, is developed and utilized, and has extremely important significance for assisting the realization of the double-carbon target in China, optimizing the energy structure, relieving the supply pressure of fossil fuel, reducing the emission of harmful gas and the like. At the present stage, the alternative fuel in China generally has the characteristics of high moisture, low heat value and the like, so that the actual heat utilization rate is low. Adopt drying device to dry to substitute fuel among the prior art more, improve its calorific value, make things convenient for follow-up high-valued utilization, nevertheless ubiquitous among the current drying device invests in height, area is big, drying efficiency is low, the stoving effect is unsatisfactory, material adaptability scheduling problem not strong.
Disclosure of Invention
The invention aims to provide a solid alternative fuel drying device, which aims to solve the problems of low drying efficiency, uneven material drying and poor applicability of the existing drying device.
The invention is realized by adopting the following technical scheme:
the invention provides a solid alternative fuel drying device which comprises an outer bin body, wherein a main feeding hole and an air inlet are formed in the outer bin body, the main feeding hole is used for feeding materials, the air inlet is used for being connected with an air inlet pipeline, the air inlet comprises a main air inlet and a plurality of branch air inlets, the main air inlet is positioned at the top of the outer bin body, and the branch air inlets are positioned on the side face of the outer bin body; the air inlet pipeline comprises a main air inlet pipe and branch air inlet pipes, the main air inlet pipe is connected with the main air inlet, and the branch air inlet pipes are spirally wound on the side surface of the outer bin body and are respectively connected with the branch air inlets; the inner part of the outer bin body is provided with a plurality of layers of drying units, the adjacent two layers of drying units are communicated, each drying unit comprises a material bearing platform fixed on the inner wall of the outer bin body and a rotating mechanism positioned above the material bearing platform, and the bottom of the outer bin body is provided with a total discharge port and a total air outlet.
The during operation, send into the hot-blast of uniform temperature to the intake stack, hot-blast lets in the internal portion in outer storehouse from the air intake, and simultaneously, the material gets into the internal portion in outer storehouse from total feed inlet, fall on the material bearing bench, rotary mechanism rotates the back, the material is rotated from the feed inlet by a week from certain speed and is close the blanking mouth on this layer gradually, and then fall into the material bearing bench of one deck down, from the hot-blast from the top that main air intake let in through the material, when accomplishing upper material stoving, just preheat the stoving to lower floor's material, waste heat in the make full use of flue gas, the thermal efficiency is high, the hot-blast that lets in from minute air inlet transversely blows off the falling material, break up the homogenization with it. The invention adopts the design of a multi-layer drying unit, so that materials are fully contacted with hot air for drying and are finally discharged from a main discharge port, and the hot air after heat exchange is discharged from a main air outlet.
The drying device provided by the invention has the advantages that the structure is simple, the occupied area is small, the drying device is suitable for industrial popularization and use, the multilayer drying units are arranged in the drying device, the material drying area can be greatly extended and expanded, the retention time is prolonged, the materials are dried more uniformly, the drying effect is improved, the material drying efficiency is improved, and the drying device is suitable for various solid alternative fuels.
As a preferred technical scheme:
the rotary mechanism comprises a rotor and a rotating shaft sleeve, the axis of the rotor is fixedly connected with the rotating shaft sleeve, the rotating shaft sleeve is arranged outside the rotating shaft, the rotating shaft is connected with the rotating shaft sleeve in a meshed mode, the rotating shaft penetrates through the centers of the material bearing platforms, one end of the rotating shaft is connected with a driving device, and the other end of the rotating shaft is connected to the bottom of the outer bin body.
As a preferred technical scheme:
the driving device may employ a motor.
As a preferred technical scheme:
the outer contour of the rotor is circular.
As a preferred technical scheme:
the rotor includes a plurality of impellers, the clearance brush is installed to the below of impeller, the clearance brush is located the rotor with between the bolster.
The cleaning brush is used for cleaning the material bearing platform.
As a preferable technical scheme:
and the vertical clearance between the rotor and the material bearing platform is less than 10mm.
As a preferable technical scheme:
and the material bearing platform is provided with a blanking port.
The blanking mouth makes adjacent two-layer material platform intercommunication that holds, and the material falls into lower floor from the blanking mouth on this layer material platform and holds the material bench, and the blanking mouth on this layer material platform is the feed inlet of one deck material platform down.
As a preferred technical scheme:
the blanking port is fan-shaped.
As a preferred technical scheme:
the blanking port is in a sector shape taking a 1/8 circle as an arc.
As a preferred technical scheme:
the material bearing platform adopts a porous drying belt.
As a preferred technical scheme:
the aperture on the drying belt reaches the micron order, and the air permeability is good, can guarantee hot-blast effective pass through.
As a preferred technical scheme:
and the front ends of the air inlets are provided with adjusting air valves.
The adjusting air valve can flexibly adjust the opening of the valve and control the air inlet quantity.
As a preferred technical scheme:
each branch air inlet is located one side of every layer of material platform feed inlet respectively.
The hot air introduced from the air inlet is used for transversely blowing the falling materials, so that the scattering and homogenizing effects are achieved.
As a preferred technical scheme:
the total feed inlet is positioned at the top of the outer bin body.
As a preferable technical scheme:
the total feed inlet is fan-shaped.
As a preferred technical scheme:
the bottom surface of the outer bin body except the other areas of the total discharge hole is the total air outlet.
As a preferred technical scheme:
the total discharge hole is communicated with the air locking discharge device.
Used for discharging finished materials.
As a preferred technical scheme:
the total air outlet is communicated with the centrifugal fan.
For evacuating the gas from the chamber.
As a preferred technical scheme:
and the top of the outer bin body is provided with a material limiting plate, and the part of the material limiting plate extends into the outer bin body.
The material layer height suitable for different types of materials can be flexibly adjusted, the drying effect is improved, and the drying efficiency is improved.
As a preferred technical scheme:
the material limiting plate is fixed at the top of the outer bin body through bolts.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the invention is simple and easy to implement, occupies small area and is suitable for industrialized popularization and use.
2. The invention is provided with a plurality of layers of drying units, can greatly extend and expand the drying area of the material, prolongs the retention time and improves the drying efficiency of the material.
3. The invention has high heat exchange efficiency, hot air penetrates through the materials from top to bottom, the materials on the lower layer are preheated and dried while the materials on the upper layer are dried, the waste heat in the flue gas can be fully utilized, and the heat efficiency is high.
4. The invention has the advantages that the rotating speed and the rotating direction of each layer of the rotor are adjustable, the residence time of different materials on each layer can be flexibly adjusted, the drying effect is improved, and the requirement of the moisture content of the outlet is met.
5. The material limiting plate is arranged, the appropriate material layer height can be flexibly adjusted according to different types of materials, the drying effect is improved, and the drying efficiency is improved.
6. The material bearing platform adopts the porous drying belt, the pore diameter on the drying belt reaches the micron order, and the porous drying belt is not only beneficial to the passage of hot air, but also effectively filters dust.
7. The cleaning brush is connected below the impeller of the rotor, so that the material bearing platform below the cleaning brush can be cleaned in all directions, and fine particles in materials are effectively prevented from blocking the pores of the material bearing platform drying belt.
8. According to the invention, hot air is introduced from the air inlet to transversely blow off falling materials, so that the materials are fully and uniformly dispersed, and the drying of the materials is facilitated.
9. According to the invention, each air inlet is provided with the adjusting air valve, so that the air inlet volume of each layer can be flexibly adjusted according to different types of materials, flexibility and convenience are realized, and a heat source is saved.
10. The invention has strong material applicability, and can flexibly and adaptively adjust the height of a material layer, the retention time, the air inlet amount and the like of the material aiming at different types of materials.
11. By adopting the drying device, the water content of the alternative fuel can be reduced to be within 10 percent, and the drying efficiency is obviously improved.
Drawings
Fig. 1 is a schematic structural diagram of a solid alternative fuel drying device according to the present invention.
Fig. 2 is a schematic structural diagram of the interior of the solid alternative fuel drying device according to the present invention.
Icon: 1-an outer bin body, 2-an air inlet pipeline, 3-a main air inlet pipe, 4-a branch air inlet pipe, 5-a total feed inlet, 6-a main air inlet, 7-a material limiting plate, 8-a bolt, 9-a first branch air inlet, 10-a second branch air inlet, 11-a third branch air inlet, 12-a fourth branch air inlet, 13-a total discharge port, 14-a total air outlet, 15-an air locking and discharging device, 16-a centrifugal fan, 17-a motor, 18-a rotating shaft, 19-a rotating shaft sleeve, 20-a rotor, 21-a material bearing platform, 22-a cleaning brush, 23-a material dropping port and 24-an adjusting air valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1 and fig. 2, the present embodiment provides a solid alternative fuel drying device, which includes an outer bin body 1, a total feeding opening 5 is disposed at the top of the outer bin body 1, and a material (solid alternative fuel) is introduced into the outer bin body 1 from the total feeding opening 5 for drying. In this embodiment, the total feed opening 5 is fan-shaped.
The outer bin body 1 is provided with an air inlet, the air inlet is connected with an air inlet pipeline 2, the air inlet pipeline 2 is used for introducing hot air, and the hot air is used for exchanging heat with materials to dry the materials. The air inlet comprises a main air inlet 6 and a plurality of branch air inlets, the main air inlet 6 is positioned at the top of the outer bin body 1, and the branch air inlets are positioned on the side surface of the outer bin body 1. The air inlet pipeline 2 comprises a main air inlet pipe 3 and branch air inlet pipes 4, the main air inlet pipe 3 is located at the top of the outer bin body 1, the main air inlet pipe 3 is connected with the main air inlets 6, and the branch air inlet pipes 4 are spirally wound on the side faces of the outer bin body 1 and are respectively connected with the branch air inlets. The front ends of the main air inlet 6 and the branch air inlets are provided with adjusting air valves 24, so that the opening degree of the valves can be flexibly adjusted, and the air inlet amount can be controlled. In this embodiment, four sub air inlets, namely a first sub air inlet 9, a second sub air inlet 10, a third sub air inlet 11 and a fourth sub air inlet 12, are disposed on the side surface of the outer bin body 1.
The bottom of the outer bin body 1 is provided with a total discharge hole 13 and a total air outlet 14, the materials are dried and then discharged from the total discharge hole 13, and hot air after heat exchange is discharged from the total air outlet 14. In this embodiment, the bottom surface of the outer bin body 1 except the total discharge hole 13 is the total air outlet 14.
The total discharge port 13 is communicated with an air locking discharge device 15 and is used for discharging finished products. The main air outlet 14 is communicated with a centrifugal fan 16 and used for pumping out air in the bin.
The top of the outer bin body 1 is provided with a material limiting plate 7, the material limiting plate 7 is fixed on the top of the outer bin body 1 through a bolt 8, and part of the material limiting plate 7 extends into the outer bin body 1. Can adjust suitable batch height in a flexible way to different kinds of materials, improve the stoving effect, improve drying efficiency.
The inner part of the outer bin body 1 is provided with a plurality of layers of material bearing tables 21, one circle of the outer side of each layer of the material bearing tables 21 is fixedly connected with the inner wall of the outer bin body 1, the material bearing tables 21 are porous drying belts, the pore diameters on the drying belts reach the micron order, the air permeability is good, and hot air can be guaranteed to effectively pass through. And each layer of the material bearing platform 21 is provided with a blanking port 23, and no porous drying belt is covered in the range. The blanking ports 23 of the two adjacent layers of material bearing platforms 21 are staggered.
In this embodiment, the blanking opening 23 is shaped as a sector with a 1/8 circle as an arc. The blanking mouth 23 makes adjacent two-layer material platform 21 intercommunication, and the material falls into lower floor material platform 21 from blanking mouth 23 on this layer material platform 21 on, and blanking mouth 23 on this layer material platform 21 is the feed inlet of next floor material platform 21. And the blanking port 23 of the last layer of material bearing platform 21 is communicated with the total discharge port 13.
Each branch air inlet is located one side of every layer of material platform 21 feed inlet respectively, follows the hot-blast of branch air inlet lets in directly transversely blows off the whereabouts material, plays the effect of breaking up the homogenization.
A layer of rotor 20 is arranged above each layer of the material bearing platform 21, the outer contour of the rotor 20 is circular, the rotor 20 comprises eight impellers, all the impellers are uniformly arranged, the rotor 20 is divided into 8 grids, the angle of each grid is 45 degrees, and the angle is a 1/8 circular sector.
The vertical clearance between the rotor 20 and the material bearing platform 21 is 0-10mm. When a gap is left between the rotor and the material bearing platform 21, a cleaning brush 22 is arranged below the impeller, and the cleaning brush 22 is positioned between the rotor 20 and the material bearing platform 21 and used for cleaning the material bearing platform 21.
The rotor 20 is connected with the rotating shaft 18 through a rotating shaft sleeve 19, specifically, the axis of the rotor 20 is fixedly connected with the rotating shaft sleeve 19, the rotating shaft sleeve 19 annularly surrounds the outer side of the rotating shaft 18, and the rotating shaft sleeve 19 is in meshed connection with the rotating shaft 18. The rotating shaft 18 penetrates through the center of each layer of the material bearing platform 21, one end of the rotating shaft is connected to the bottom of the outer bin body 1, and the other end of the rotating shaft is connected with the motor 17 positioned at the top of the outer bin body 1. Each layer of the rotor 20 is connected with the rotating shaft 18 through a corresponding rotating shaft sleeve 19, and the rotating shaft sleeve 19 is arranged on the outer side of the rotating shaft 18 in the layer area. The rotating speed of each layer of the rotor 20 is adjustable, the rotating direction is adjustable, the retention time of different materials on each layer can be flexibly adjusted, the drying effect is improved, and the requirement of the water content of the outlet is met.
The working process of the drying device provided by the invention is as follows:
when the drying device works, hot air with a certain temperature is fed into the air inlet pipeline 2, the adjusting air valves 24 of the main air inlet pipe 3 and the sub air inlet pipes 4 are opened to introduce the hot air into the bin, the hot air of the main air inlet pipe 3 vertically and downwards enters the drying cavity from the main air inlet 6, and the hot air of the sub air inlet pipes respectively enters the drying cavity through the sub air inlet pipes.
The alternative fuel enters the bin through a fan-shaped main feed inlet 5 at the top of the outer bin body 1 and falls onto the first layer material bearing platform 21, and in the falling process, hot air is blown in from a first branch air inlet 9 at one side of the outer bin body, so that the falling material can be blown up transversely, the scattering and homogenizing effects are achieved, and the subsequent drying is facilitated. In addition, because outer storehouse body 1 top still is equipped with material limiting plate 7, material limiting plate 7 through bolt 8 with fixed at outer storehouse body 1 top, through the height that bolt 8 adjustment material limiting plate 7 got into outer storehouse body 1, and then the bed of material height of the material on the first layer material bearing platform 21 of control to the purpose of material bed height in the realization control storehouse. Aiming at different types of materials, the material layer height suitable for the materials can be flexibly adjusted, and the material drying effect is greatly improved.
Because each layer of the rotating shaft sleeve 19 surrounds the outer side of the rotating shaft 18 in an annular shape and is in meshed connection with the rotating shaft 18 on the layer area, the axis of each layer of the rotor 20 is fixed with the rotating shaft sleeve 19, and the motor 17 forms a transmission structure through the rotating shaft 18 and the rotating shaft sleeve 19, the rotating shaft 18 drives the rotating shaft sleeve 19 to further drive the rotor 20 to rotate to do circular motion under the driving of the motor 17.
Because each layer of the rotating shaft sleeve 19 can adjust the rotating speed and change the rotating direction, the coaxial different speeds between the upper layer and the lower layer can be realized, and the coaxial different directions can be realized.
Along with the material constantly falls from the feed inlet, hold material platform 21 stationary, rotor 20 then follows pivot sleeve 19 at certain speed and rotates, and 7 material check are filled gradually to the material to by the height of limit flitch 7 control bed of material, under stirring of rotor 20, the material is rotated from the feed inlet by a week and is close gradually and gets into first layer blanking mouth 23 gradually at certain speed, and then falls into on the material platform 21 of second floor, the action of upper strata is realized repeatedly.
As the material bearing platform 21 adopts the porous drying belt, the aperture on the drying belt reaches the micron order, the air permeability is good, the hot air can be ensured to effectively pass through, and the dust in the flue gas can be effectively filtered. In addition, a cleaning brush 22 is further installed below the impeller of the rotor 20, and the rotor 20 can drive the cleaning brush 22 to clean the material bearing platform 21 below in an all-around manner while rotating, so that fine particles in the material are effectively prevented from blocking the drying belt holes of the material bearing platform 21.
In the process of material rotary blanking, hot air in the main air inlet 6 is fully contacted with materials from top to bottom to complete material drying, the materials in the lower layer can be preheated and dried while the materials in the upper layer are dried, the hot air in the upper layer after the materials in the upper layer are dried can be recycled in the lower layer, heat is fully saved, and heat exchange efficiency is improved.
The material is dried through multilayer rotation, finally falls into last layer holding platform 21, is rotatory to this layer blanking mouth 23 by last layer rotor 20, and the blanking mouth 23 of last layer is linked together with the total discharge gate 13 of outer storehouse body 1 bottom, and the material passes through lock wind discharge apparatus 15 and accomplishes the ejection of compact of finished product material after entering total feed inlet 5. The hot air is pumped out of the bin through a centrifugal fan 16 outside the bin and a total air outlet 14 at the bottom of the outer bin body 1 along a pipeline. The bottom surface of the outer bin body 1 is provided with a total air outlet 14 except the total discharge hole 13, so that the area of the air outlet at the bottom is large, and hot air can flow out conveniently.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a solid-state alternative fuel drying device which characterized in that:
the device comprises an outer bin body, wherein a main feeding hole and an air inlet are formed in the outer bin body, the main feeding hole is used for feeding materials, the air inlet is used for being connected with an air inlet pipeline, the air inlet comprises a main air inlet and a plurality of branch air inlets, the main air inlet is located at the top of the outer bin body, and the branch air inlets are located on the side faces of the outer bin body; the air inlet pipeline comprises a main air inlet pipe and branch air pipes, the main air inlet pipe is connected with the main air inlet, and the branch air pipes are spirally wound on the side surface of the outer bin body and are respectively connected with the branch air inlets; the outer bin body is internally provided with a plurality of layers of drying units, every two layers of drying units are communicated, each drying unit comprises a material bearing platform fixed on the inner wall of the outer bin body and a rotating mechanism located above the material bearing platform, and the bottom of the outer bin body is provided with a total discharge hole and a total air outlet.
2. The solid alternative fuel drying apparatus of claim 1, wherein:
the rotary mechanism comprises a rotor and a rotating shaft sleeve, the axis of the rotor is fixedly connected with the rotating shaft sleeve, the rotating shaft sleeve is arranged outside the rotating shaft, the rotating shaft is connected with the rotating shaft sleeve in a meshed mode, the rotating shaft penetrates through the centers of the material bearing platforms, one end of the rotating shaft is connected with a driving device, and the other end of the rotating shaft is connected to the bottom of the outer bin body.
3. The solid alternative fuel drying apparatus of claim 2, wherein:
the rotor includes a plurality of impellers, the clearance brush is installed to the below of impeller, the clearance brush is located the rotor with between the bolster.
4. The solid alternative fuel drying apparatus of claim 1, wherein:
and the material bearing platform is provided with a blanking port.
5. The solid alternative fuel drying apparatus of claim 1, wherein:
the material bearing platform adopts a porous drying belt.
6. The solid alternative fuel drying apparatus of claim 1, wherein:
and the front ends of the air inlets are provided with adjusting air valves.
7. The solid alternative fuel drying apparatus of claim 1, wherein:
each branch air inlet is located one side of every layer of material platform feed inlet respectively.
8. The solid alternative fuel drying apparatus of claim 1, wherein:
the total discharge hole is communicated with the air locking discharge device.
9. The solid alternative fuel drying apparatus of claim 1, wherein:
the total air outlet is communicated with the centrifugal fan.
10. The solid alternative fuel drying apparatus of any one of claims 1 to 9, wherein:
and the top of the outer bin body is provided with a material limiting plate, and the part of the material limiting plate extends into the outer bin body.
CN202211421215.1A 2022-11-14 2022-11-14 Solid-state alternative fuel drying device Pending CN115727653A (en)

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Application Number Priority Date Filing Date Title
CN202211421215.1A CN115727653A (en) 2022-11-14 2022-11-14 Solid-state alternative fuel drying device

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Application Number Priority Date Filing Date Title
CN202211421215.1A CN115727653A (en) 2022-11-14 2022-11-14 Solid-state alternative fuel drying device

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Publication Number Publication Date
CN115727653A true CN115727653A (en) 2023-03-03

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102626019A (en) * 2012-04-26 2012-08-08 山东省农业科学院农产品研究所 Circumfluent cooling dehumidifying barn
CN204694006U (en) * 2015-05-26 2015-10-07 扬州科润德机械有限公司 Vertical counterflow Two-way Cycle drying system
CN206618237U (en) * 2017-03-06 2017-11-07 兴化市华盛食用菌有限公司 A kind of drying device
CN207050404U (en) * 2017-05-08 2018-02-27 松阳县成东炒货厂 A kind of melon seeds laundry drying processor
CN215373344U (en) * 2021-07-05 2021-12-31 安徽西农生物药业有限公司 Circulating multilayer medicinal material drying device
CN114777422A (en) * 2022-06-21 2022-07-22 徐州蕴康农业科技有限公司 Agricultural seed multilayer drying equipment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102626019A (en) * 2012-04-26 2012-08-08 山东省农业科学院农产品研究所 Circumfluent cooling dehumidifying barn
CN204694006U (en) * 2015-05-26 2015-10-07 扬州科润德机械有限公司 Vertical counterflow Two-way Cycle drying system
CN206618237U (en) * 2017-03-06 2017-11-07 兴化市华盛食用菌有限公司 A kind of drying device
CN207050404U (en) * 2017-05-08 2018-02-27 松阳县成东炒货厂 A kind of melon seeds laundry drying processor
CN215373344U (en) * 2021-07-05 2021-12-31 安徽西农生物药业有限公司 Circulating multilayer medicinal material drying device
CN114777422A (en) * 2022-06-21 2022-07-22 徐州蕴康农业科技有限公司 Agricultural seed multilayer drying equipment

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