CN106440663A - Double spiral type chemical powder stock microwave drying device - Google Patents
Double spiral type chemical powder stock microwave drying device Download PDFInfo
- Publication number
- CN106440663A CN106440663A CN201611207293.6A CN201611207293A CN106440663A CN 106440663 A CN106440663 A CN 106440663A CN 201611207293 A CN201611207293 A CN 201611207293A CN 106440663 A CN106440663 A CN 106440663A
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- motor
- drying chamber
- microwave
- chemical powder
- secondary drying
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B1/00—Preliminary treatment of solid materials or objects to facilitate drying, e.g. mixing or backmixing the materials to be dried with predominantly dry solids
- F26B1/005—Preliminary treatment of solid materials or objects to facilitate drying, e.g. mixing or backmixing the materials to be dried with predominantly dry solids by means of disintegrating, e.g. crushing, shredding, milling the materials to be dried
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/18—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs
- F26B17/20—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs the axis of rotation being horizontal or slightly inclined
- F26B17/205—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs the axis of rotation being horizontal or slightly inclined with multiple chambers, e.g. troughs, in superimposed arrangement
-
- 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
- F26B25/02—Applications of driving mechanisms, not covered by another subclass
-
- 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
- F26B25/04—Agitating, stirring, or scraping devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/32—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action
- F26B3/34—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action by using electrical effects
- F26B3/347—Electromagnetic heating, e.g. induction heating or heating using microwave energy
-
- 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
- F26B2200/08—Granular materials
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Biotechnology (AREA)
- Molecular Biology (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a double spiral type chemical powder stock microwave drying device which comprises a base, wherein a second drying chamber is arranged at the top of the base; a second spiral stirring device is arranged in the second drying chamber; a second microwave generator and a connecting pipe are arranged at the top of the second drying chamber; a draining pipe is arranged at the bottom; the second microwave generator is fixedly arranged at the top of the second drying chamber. The double spiral type chemical powder stock microwave drying device is simple in structure and reasonable in design; double spiral drying chamber and two layers of microwave generators are combined with each other, so that the operator only needs to continuously feed the materials into the feeding hopper; under the driving of the first spiral drying chamber and the second spiral drying chamber, the materials respectively pass by the two layers of microwave generators and are continuously heated and dried; the chemical powder stock can be blown scattered by an air inlet pipe, so that the chemical powder stock can be thoroughly heated and lastly is drained from the draining pipe. Compared with the traditional intermittent microwave drying, the double spiral type chemical powder stock microwave drying device not only can greatly increase the production efficiency but also can reduce the labor intensity of the operator.
Description
Technical field
The present invention relates to a kind of chemical industry equipment, specifically a kind of double-screw type chemical powder raw material microwave drying equipment.
Background technology
Most of drying equipment is all that the source major part of steam is to use coal as heating source with steam currently on the market
Produce, substantial amounts of steam expends very limited greatly coal resources, the waste residue waste gas that the burning of coal produces also result in environment
Pollution.
Content of the invention
It is an object of the invention to provide a kind of double-screw type chemical powder raw material microwave drying equipment, to solve the above-mentioned back of the body
The problem proposing in scape technology.
For achieving the above object, the present invention provides following technical scheme：
A kind of double-screw type chemical powder raw material microwave drying equipment, including base；The top of described base is provided with
Two hothouses；Secondary drying chamber is internally provided with the second spiral agitator, and the right side of screw and secondary drying chamber is passed through on right side
Wall is connected, and the left wall that secondary drying chamber is run through in left side is connected with the second motor；The top of secondary drying chamber is provided with
Second microwave generator and connecting tube, bottom is provided with drainage conduit；The bottom of described second motor is provided with the second motor
Bearing；Second motor support base is arranged on the bottom of the second motor, and is fixedly connected with the left wall of secondary drying chamber；Described
Two microwave generators are fixedly installed on the top of secondary drying chamber, and right side is fixedly connected with the right side inwall of secondary drying chamber, top
Portion is provided with air inlet pipe；Described connecting tube is arranged on the left side of the second microwave generator, and right side is fixed with the second microwave generator
Connect, left side is fixedly connected with the right side inwall of secondary drying chamber；The top of described air inlet pipe is provided with homogenizing plate；Described all flow
The top of plate is provided with the first hothouse；Described first is dried interior is provided with the first spiral agitator, and top is provided with
One microwave generator and pulverizing feed hopper；The right wall of bearing and the first hothouse is passed through on the right side of described first spiral agitator
It is connected, left side is run through the first hothouse and is connected with the first motor；The bottom of described first motor is provided with
One motor support base；Described first motor support base is fixedly installed on the left side of the first hothouse；Described first microwave generator setting
There are two, and be evenly distributed in the top of the first hothouse；Described pulverizing feed hopper is arranged on right side the first microwave generator
Right side, pulverize feed hopper be made up of feed pipe, hopper and drainage conduit；It is provided with support bar in described feed pipe, pulverize electricity
Machine, crushing shaft, Disintegrating knife and auxiliary blade composition, bottom is provided with screen plate；The left and right two ends of described support bar and charging
Left and right two inwall of pipe is fixedly connected；Described crushing shaft is arranged on the centrage of feed pipe, and top is connected with pulverizing motor；
Described pulverizing motor is fixedly installed on the centrage of support bar；It is two right that described Disintegrating knife is provided with, and is symmetricly set on powder
The left and right sides of broken axle.
As the further scheme of the present invention：Described first motor, the second motor and pulverizing motor all pass through
Controlling switch is connected with power supply.
As the further scheme of the present invention：Described crushing shaft, Disintegrating knife, auxiliary blade, the first spiral agitator
With one layer of wearing layer is provided with the second spiral agitator.
As the further scheme of the present invention：Described first motor support base is set to spider.
As the further scheme of the present invention：The bottom of described base is provided with slipmat.
As the further scheme of the present invention：It is provided with uniform material-strewing device on the inside center line of described hopper；Row
The bottom of hopper is provided with feed pipe.
As the further scheme of the present invention：The left and right two ends of described screen plate are solid respectively at left and right two inwall of feed pipe
Fixed connection；The bottom of screen plate is provided with hopper.
As the present invention further scheme：Described auxiliary blade is arranged in a crossed manner with Disintegrating knife, is provided with two, and
It is symmetricly set on left and right two inwall of feed pipe.
Compared with prior art, the invention has the beneficial effects as follows：
Present configuration is simple, reasonable in design, easy to use；Double helix hothouse and the mutually knot of two-layer microwave generator
Close, operator only need to continuously render to material in pulverizing feed hopper；Material is in the first spiral hothouse and the second spiral shell
Carry out laser heating drying respectively through two-layer microwave generator under the drive of rotation hothouse, and by air inlet pipe by powder
Work raw material dispels, and is conveniently thoroughly heated, and discharges finally by drainage conduit；Compared with being dried with traditional intermittent type microwave, no
But substantially increase production efficiency, decrease the labor intensity of operator simultaneously；Pulverizing feed hopper can be by the powder of poly- heap
Last shape industrial chemicals carry out preliminary pulverizing, accelerate drying efficiency.
Brief description
Fig. 1 is the structural representation of double-screw type chemical powder raw material microwave drying equipment.
Fig. 2 is the structural representation pulverizing feed hopper in double-screw type chemical powder raw material microwave drying equipment.
In figure：1- base, 2- second motor support base, 3- second motor, 4- first motor support base, 5- first drives electricity
Machine, 6- connecting tube, 7- first microwave generator, 8- first spiral agitator, 9- first hothouse, 10- pulverizes feed hopper,
11- homogenizing plate, 12- air inlet pipe, 13- second microwave generator, 14- secondary drying chamber, 15- drainage conduit, 16- second auger
Device, 17- hopper, 18- Disintegrating knife, 19- support bar, 20- feed pipe, 21- pulverizes motor, 22- auxiliary blade, 23- mistake
Filter plate, the uniform material-strewing device of 24-, 25- discharge nozzle, 26- crushing shaft.
Specific embodiment
With reference to specific embodiment, the technical scheme of this patent is described in more detail.
Refer to Fig. 1-2, a kind of double-screw type chemical powder raw material microwave drying equipment, including base 1；Described base 1
Top be provided with secondary drying chamber 14, for supporting this device, and ensure that the stability of this device；Secondary drying chamber 14
Be internally provided with the second spiral agitator 16, right side is connected with the right wall of secondary drying chamber 14 by screw, and left side is passed through
The left wall wearing secondary drying chamber 14 is connected with the second motor 3, for carrying out further dried to material；Second
The top of hothouse 14 is provided with the second microwave generator 13 and connecting tube 6, and bottom is provided with drainage conduit 15；Described second driving
The bottom of motor 3 is provided with the second motor support base 2, for providing power for the second spiral agitator 16；Second motor support base 2
It is arranged on the bottom of the second motor 3, and is fixedly connected with the left wall of secondary drying chamber 14, for supporting the second motor
3；Described second microwave generator 13 is fixedly installed on the top of secondary drying chamber 14, in the right side of right side and secondary drying chamber 14
Wall is fixedly connected, and top is provided with air inlet pipe 12, for being dried to material；Described connecting tube 6 is arranged on the second microwave and sends out
The left side of raw device 13, right side is fixedly connected with the second microwave generator 13, and the right side inwall of left side and secondary drying chamber 14 is fixed
Connect, for carrying out, after preliminarily dried, being discharged into secondary drying chamber 14, further being done material from the first hothouse 9
Dry process；The top of described air inlet pipe 12 is provided with homogenizing plate 11, for entering in the first hothouse 9 air discharge, by powder
Last shape material is kicked up, and is easy to this device and material is thoroughly dried；The top of described homogenizing plate 11 is provided with the first hothouse
9, for being uniformly input to air in the first hothouse 9, and it is dried；It is provided with first in described first hothouse 9
Spiral agitator 8, top is provided with the first microwave generator 7 and pulverizes feed hopper 10, for material is carried out with preliminary doing
Dry；The right side of described first spiral agitator 8 is connected with the right wall of the first hothouse 9 by bearing, and left side runs through first
Hothouse 9 is connected with the first motor 5, and material can not only be stirred, and accelerates dry materials and processes, and can be by
Material is transported to left side from right side, and transports material at connecting tube 6 in secondary drying chamber 14；Described first motor
5 bottom is provided with the first motor support base 4, for providing power for the first spiral agitator 8；Described first motor support base 4
It is fixedly installed on the left side of the first hothouse 9, for supporting the first motor 5；Described first microwave generator 7 is provided with two
Individual, and it is evenly distributed in the top of the first hothouse 9, for preliminary dried is carried out to material；Described pulverizing feeds
Bucket 10 is arranged on the right side of right side the first microwave generator 7, pulverizes feed hopper 10 by feed pipe 20, hopper 17 and drainage conduit 15
Composition, can pulverize to material, prevent powder material from the phenomenon of poly- heap；It is provided with support in described feed pipe 20
Bar 19, pulverizing motor 21, crushing shaft 26, Disintegrating knife 18 and auxiliary blade 22 form, and bottom is provided with screen plate 23, for inciting somebody to action
Material is broken up；The left and right two ends of described support bar 19 are fixedly connected with left and right two inwall of feed pipe 20, for supporting powder
Broken motor 21；Described crushing shaft 26 is arranged on the centrage of feed pipe 20, and top is connected with pulverizing motor 21；Described pulverizing
Motor 21 is fixedly installed on the centrage of support bar 19, for providing power for crushing shaft 26；Described Disintegrating knife 18 is arranged
There have to be two right, and is symmetricly set on the left and right sides of crushing shaft 26, for pulverizing to material；Described auxiliary blade 22 and pulverizing
Blade 18 is arranged in a crossed manner, is provided with two, and is symmetricly set on left and right two inwall of feed pipe 20, accelerates crush efficiency；Institute
The left and right two ends stating screen plate 23 are fixedly connected respectively at left and right two inwall of feed pipe 20, for by pulverize after powder
Discharge of materials is gone out, and carries out dried；The bottom of screen plate 23 is provided with hopper 17；In the inside of described hopper 17
Uniform material-strewing device 24 is provided with heart line；The bottom of hopper 17 is provided with discharge nozzle 25, for by discharge of materials to first
In hothouse 9, and carry out dried；Present configuration is simple, reasonable in design, easy to use；Double helix hothouse and two-layer
The combining of microwave generator, operator only need to continuously render to material in pulverizing feed hopper；Material is in the first spiral shell
Carry out laser heating respectively through two-layer microwave generator under the drive of rotation agitating device 8 and the second spiral agitator 16 to do
Dry, and by air inlet pipe 12, powder industrial chemicals are dispelled, conveniently thoroughly heated, discharged finally by drainage conduit 15；
Compared with being dried with traditional intermittent type microwave, not only substantially increase production efficiency, decrease the work of operator simultaneously
Intensity；Pulverize feed hopper 10 and the powder industrial chemicals of poly- heap can be carried out preliminary pulverizing, accelerate drying efficiency.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art possesses, can also be on the premise of without departing from this patent objective
Make a variety of changes.
Claims (5)
1. a kind of double-screw type chemical powder raw material microwave drying equipment, including base (1)；It is characterized in that, described base (1)
Top be provided with secondary drying chamber (14)；Secondary drying chamber (14) is internally provided with the second spiral agitator (16), right
Side is connected with the right wall of secondary drying chamber (14) by screw, and left wall and second driving of secondary drying chamber (14) is run through in left side
Motor (3) is connected；The top of secondary drying chamber (14) is provided with the second microwave generator (13) and connecting tube (6), and bottom sets
It is equipped with drainage conduit (15)；The bottom of described second motor (3) is provided with the second motor support base (2)；Second motor support base (2)
It is arranged on the bottom of the second motor (3), and be fixedly connected with the left wall of secondary drying chamber (14)；Described second microwave occurs
Device (13) is fixedly installed on the top of secondary drying chamber (14), and right side is fixedly connected with the right side inwall of secondary drying chamber (14),
Top is provided with air inlet pipe (12)；Described connecting tube (6) is arranged on the left side of the second microwave generator (13), and right side is micro- with second
Wave producer (13) is fixedly connected, and left side is fixedly connected with the right side inwall of secondary drying chamber (14)；Described air inlet pipe (12)
Top is provided with homogenizing plate (11)；The top of described homogenizing plate (11) is provided with the first hothouse (9)；Described first hothouse
(9) it is provided with the first spiral agitator (8) in, top is provided with the first microwave generator (7) and pulverizes feed hopper (10)；Institute
The right side stating the first spiral agitator (8) is connected with the right wall of the first hothouse (9) by bearing, and it is dry that left side runs through first
Dry room (9) is connected with the first motor (5)；The bottom of described first motor (5) is provided with the first motor support base
(4)；Described first motor support base (4) is fixedly installed on the left side of the first hothouse (9)；Described first microwave generator (7) sets
It is equipped with two, and be evenly distributed in the top of the first hothouse (9)；It is micro- that described pulverizing feed hopper (10) is arranged on right side first
The right side of wave producer (7), pulverizes feed hopper (10) and is made up of feed pipe (20), hopper (17) and drainage conduit (15)；Described
It is provided with support bar (19) in feed pipe (20), pulverize motor (21), crushing shaft (26), Disintegrating knife (18) and auxiliary blade
(22) form, bottom is provided with screen plate (23)；In the left and right two ends of described support bar (19) and the left and right two of feed pipe (20)
Wall is fixedly connected；Described crushing shaft (26) is arranged on the centrage of feed pipe (20), and top is connected with pulverizing motor (21)；
Described pulverizing motor (21) is fixedly installed on the centrage of support bar (19), described first motor (5), the second driving electricity
Machine (3) is all connected with power supply by controlling switch with pulverizing motor (21), described crushing shaft (26), Disintegrating knife (18), auxiliary
Help and be provided with one layer of wearing layer on blade (22), the first spiral agitator (8) and the second spiral agitator (16), described
The left and right two ends of screen plate (23) are fixedly connected respectively at left and right two inwall of feed pipe (20)；The bottom setting of screen plate (23)
Have hopper (17), described auxiliary blade (22) is arranged in a crossed manner with Disintegrating knife (18), is provided with two, and be symmetricly set on into
On left and right two inwall of expects pipe (20).
2. double-screw type chemical powder raw material microwave drying equipment according to claim 1 is it is characterised in that described pulverizing
It is two right that blade (18) is provided with, and is symmetricly set on the left and right sides of crushing shaft (26).
3. double-screw type chemical powder raw material microwave drying equipment according to claim 1 is it is characterised in that described first
Motor support base (4) is set to spider.
4. double-screw type chemical powder raw material microwave drying equipment according to claim 1 is it is characterised in that described base
(1) bottom is provided with slipmat.
5. double-screw type chemical powder raw material microwave drying equipment according to claim 1 is it is characterised in that described discharge
It is provided with uniform material-strewing device (24) on the inside center line of bucket (17)；The bottom of hopper (17) is provided with discharge nozzle (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611207293.6A CN106440663A (en) | 2016-12-23 | 2016-12-23 | Double spiral type chemical powder stock microwave drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611207293.6A CN106440663A (en) | 2016-12-23 | 2016-12-23 | Double spiral type chemical powder stock microwave drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106440663A true CN106440663A (en) | 2017-02-22 |
Family
ID=58215526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611207293.6A Withdrawn CN106440663A (en) | 2016-12-23 | 2016-12-23 | Double spiral type chemical powder stock microwave drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106440663A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106944463A (en) * | 2017-04-15 | 2017-07-14 | 湖南北控威保特环境科技股份有限公司 | A kind of scattered domestic garbage resource utilizes equipment |
| CN107401902A (en) * | 2017-07-06 | 2017-11-28 | 烟台烟大众智知识产权服务有限公司 | A kind of microwave drying equipment |
| CN107514895A (en) * | 2017-09-26 | 2017-12-26 | 郑州郑先医药科技有限公司 | A kind of medical test agents drying device |
| CN108151445A (en) * | 2017-12-22 | 2018-06-12 | 湖南景远微波科技有限公司 | The lithium electricity ternary material tunnel type micro wave drying device that a kind of power is continuously adjusted |
| CN108151447A (en) * | 2017-12-22 | 2018-06-12 | 湖南景远微波科技有限公司 | It is a kind of to be used to produce particle, the microwave drying of powder body material, broken, feed arrangement |
| CN108165671A (en) * | 2017-12-22 | 2018-06-15 | 湖南景远微波科技有限公司 | A kind of multi-functional three layers of microwave drier |
| CN109900086A (en) * | 2019-04-19 | 2019-06-18 | 株洲聚润合微波工业炉有限公司 | A kind of granular material microwave drying rotary furnace and drying means |
| CN114345523A (en) * | 2021-12-30 | 2022-04-15 | 常州恒干干燥设备有限公司 | Low-temperature continuous flash drying complete equipment and drying process |
| CN115745358A (en) * | 2022-11-23 | 2023-03-07 | 景津装备股份有限公司 | Double-layer spiral turn-back material conveying type smoke flow-through dryer and two-step filter cake drying method |
-
2016
- 2016-12-23 CN CN201611207293.6A patent/CN106440663A/en not_active Withdrawn
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106944463A (en) * | 2017-04-15 | 2017-07-14 | 湖南北控威保特环境科技股份有限公司 | A kind of scattered domestic garbage resource utilizes equipment |
| CN107401902A (en) * | 2017-07-06 | 2017-11-28 | 烟台烟大众智知识产权服务有限公司 | A kind of microwave drying equipment |
| CN107514895A (en) * | 2017-09-26 | 2017-12-26 | 郑州郑先医药科技有限公司 | A kind of medical test agents drying device |
| CN108151445A (en) * | 2017-12-22 | 2018-06-12 | 湖南景远微波科技有限公司 | The lithium electricity ternary material tunnel type micro wave drying device that a kind of power is continuously adjusted |
| CN108151447A (en) * | 2017-12-22 | 2018-06-12 | 湖南景远微波科技有限公司 | It is a kind of to be used to produce particle, the microwave drying of powder body material, broken, feed arrangement |
| CN108165671A (en) * | 2017-12-22 | 2018-06-15 | 湖南景远微波科技有限公司 | A kind of multi-functional three layers of microwave drier |
| CN109900086A (en) * | 2019-04-19 | 2019-06-18 | 株洲聚润合微波工业炉有限公司 | A kind of granular material microwave drying rotary furnace and drying means |
| CN114345523A (en) * | 2021-12-30 | 2022-04-15 | 常州恒干干燥设备有限公司 | Low-temperature continuous flash drying complete equipment and drying process |
| CN114345523B (en) * | 2021-12-30 | 2024-01-16 | 常州恒干干燥设备有限公司 | Low-temperature continuous flash complete equipment and drying process |
| CN115745358A (en) * | 2022-11-23 | 2023-03-07 | 景津装备股份有限公司 | Double-layer spiral turn-back material conveying type smoke flow-through dryer and two-step filter cake drying method |
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Application publication date: 20170222 |