CN111964392B - Fly ash drum type dryer adopting natural gas for heating - Google Patents
Fly ash drum type dryer adopting natural gas for heating Download PDFInfo
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- CN111964392B CN111964392B CN202010792019.XA CN202010792019A CN111964392B CN 111964392 B CN111964392 B CN 111964392B CN 202010792019 A CN202010792019 A CN 202010792019A CN 111964392 B CN111964392 B CN 111964392B
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- gear ring
- barrel
- natural gas
- fly ash
- barrels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
- F26B11/04—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
- F26B11/0404—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis with internal subdivision of the drum, e.g. for subdividing or recycling the material to be dried
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
- F26B11/04—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
- F26B11/0463—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having internal elements, e.g. which are being moved or rotated by means other than the rotating drum wall
- F26B11/0477—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having internal elements, e.g. which are being moved or rotated by means other than the rotating drum wall for mixing, stirring or conveying the materials to be dried, e.g. mounted to the wall, rotating with the drum
- F26B11/0486—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having internal elements, e.g. which are being moved or rotated by means other than the rotating drum wall for mixing, stirring or conveying the materials to be dried, e.g. mounted to the wall, rotating with the drum the elements being held stationary, e.g. internal scraper blades
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- 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
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- 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
- F26B25/06—Chambers, containers, or receptacles
- F26B25/14—Chambers, containers, receptacles of simple construction
- F26B25/16—Chambers, containers, receptacles of simple construction mainly closed, e.g. drum
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to the field of dryers, and particularly discloses a fly ash drum type dryer heated by natural gas. The composite barrel comprises outer barrels, middle barrels and inner barrels with different diameters from large to small, rotary lifting blades are arranged on the inner wall of each barrel, the inner barrels, the middle barrels and the outer barrels form a three-loop structure, and a first outer gear ring, a first inner gear ring, a second outer gear ring and a second inner gear ring are arranged on the outer side of the inner barrel, the inner side of the middle barrel, the outer side of the middle barrel and the inner side of the outer barrel respectively. The inner barrel, the middle barrel and the outer barrel are sleeved in a non-concentric mode and are matched through the gear rings, under the action of gravity, when the transmission device drives the outer barrel to rotate, the middle barrel and the inner barrel also rotate, and the barrels are kept at the lowest positions of the gear rings, so that gaps among the barrels are large in upper portion and small in lower portion, the falling distance of lifted coal ash is increased, the coal ash is in long contact with hot air, and the drying effect is improved.
Description
Technical Field
The invention relates to the field of dryers, in particular to a fly ash drum type dryer adopting natural gas for heating.
Background
The main structure of the existing multi-cylinder drying machine is as follows: the combined multi-cylinder type heat pump device mainly comprises a combined multi-cylinder body, a transmission device and a heat supply device, wherein the combined multi-cylinder body comprises an outer cylinder, a middle cylinder and an inner cylinder which are sleeved concentrically, and the diameters of the outer cylinder, the middle cylinder and the inner cylinder are different from large to small; the transmission device mainly comprises a motor and a riding wheel mechanism; the heating device comprises a hot blast stove and a fan. The working principle is as follows: wet fly ash enters the inner layer of the rotary roller from a feeding device to realize concurrent drying, the fly ash is continuously lifted and scattered under a lifting plate of the inner layer to realize heat exchange in a spiral advancing mode, the fly ash moves to the other end of the inner layer to enter the middle layer to carry out countercurrent drying, the fly ash is continuously and repeatedly lifted in the middle layer to present a advancing mode of advancing and retreating in two steps, the fly ash fully absorbs the heat emitted by the inner layer roller and the heat of the middle layer roller in the middle layer, meanwhile, the drying time is prolonged, and the fly ash reaches the optimal drying state. The fly ash moves to the other end of the middle layer and falls into the outer layer, the fly ash moves in a rectangular multi-loop mode in the outer layer roller, the fly ash achieving the drying effect quickly moves out of the roller under the action of hot air, wet fly ash which does not achieve the drying effect cannot move quickly due to self weight, the fly ash is fully dried in the rectangular shoveling plate, and the drying purpose is achieved.
The three-cylinder dryer in the prior art has the following problems when in use: the heat transfer comprises three modes of heat conduction, heat convection and heat radiation, wherein the heat convection is the mode with the highest heat energy transfer efficiency. When the fly ash is lifted and falls down, the fly ash is subjected to heat exchange with hot air, so that the moisture in the fly ash can be quickly taken away, but the gaps among the outer cylinder, the middle through and the inner cylinder are small, the falling time of the lifted fly ash is short, the hot air quantity in contact with the lifted fly ash accounts for a small total hot air quantity, and the drying effect is weak. If the clearance between three barrels is increased, the volume of the equipment is increased, and the space is wasted.
Disclosure of Invention
The invention solves the problems that: the traditional drying method is weaker in drying effect, and the fly ash drum type dryer adopting natural gas for heating is provided for improving the drying effect in an effective space.
The invention is realized by the following technical scheme that the fly ash barrel type dryer adopting natural gas for heating comprises a natural gas combustion device, a transmission device and a composite barrel body, wherein the composite barrel body comprises an outer barrel, a middle barrel and an inner barrel which are different in diameter from large to small and are sleeved in a non-concentric manner, the outer barrel, the middle barrel and the inner barrel are matched by gear rings and are under the action of gravity, gaps among the barrels are large at the upper part and small at the lower part, rotary lifting blades are arranged on the inner walls of the outer barrel, the middle barrel and the inner barrel, the feeding end of the inner barrel is communicated with the feeding barrel and the natural gas combustion device, the discharging end of the inner barrel is communicated with the feeding end of the middle barrel, the discharging end of the middle barrel is communicated with the feeding end of the outer barrel, the discharging end of the outer barrel is communicated with the discharging barrel, the outer side of the inner barrel, the outer side of the middle barrel and the inner side of the outer barrel are respectively provided with a first outer gear ring, a first inner ring gear, a second ring and a second ring, The first outer gear ring is meshed with the first inner gear ring, the second outer gear ring is meshed with the second inner gear ring, and the first inner gear ring and the second inner gear ring are both provided with flanges for preventing deviation.
The anti-disengaging device is characterized in that anti-disengaging devices with at least three anti-disengaging gears are arranged between the first outer gear ring and the first inner gear ring and between the second outer gear ring and the second inner gear ring, the anti-disengaging devices are arranged at gaps at the upper sides of the outer gear ring and the inner gear ring, the anti-disengaging gears are meshed with the outer gear ring or the inner gear ring to the maximum extent, the anti-disengaging gears meshed with the inner gear rings are provided with flanges, the anti-disengaging gears meshed with the outer gear rings are not provided with flanges, the anti-disengaging gears are arranged on the fixed frame, and the anti-disengaging gears are not interfered with each other.
Furthermore, the first outer gear ring, the first inner gear ring, the second outer gear ring and the second inner gear ring are all located on the same plane.
Furthermore, the first outer gear ring and the second outer gear ring are designed to be hollow, and the rotary material raising plate at the position penetrates through the hollow part.
Further, urceolus feed end fixedly connected with double-deck end plate, double-deck end plate is equipped with the through-hole, the through-hole diameter is greater than the inner tube diameter, the inner tube feed end is worn out from the through-hole, fixedly connected with crown plate on the inner tube, the crown plate inserts between the double-deck end plate, be equipped with the sealing washer between double-deck end plate and the crown plate.
The invention has the beneficial effects that:
the inner barrel, the middle barrel and the outer barrel are sleeved in a non-concentric mode and are matched through the gear rings, under the action of gravity, when the transmission device drives the outer barrel to rotate, the middle barrel and the inner barrel also rotate, and the barrels are kept at the lowest positions of the gear rings, so that gaps among the barrels are large in upper portion and small in lower portion, the falling distance of lifted coal ash is increased, the coal ash is in long contact with hot air, and the drying effect is improved.
Drawings
FIG. 1 is a schematic structural diagram of a fly ash drum dryer heated by natural gas according to the present invention;
FIG. 2 is a cross-sectional view of a fly ash tumble dryer utilizing natural gas heating in accordance with the present invention;
FIG. 3 is a left side view of a fly ash tumble dryer utilizing natural gas heating in accordance with the present invention;
FIG. 4 is a cross-sectional view taken at A-A of FIG. 2;
FIG. 5 is an enlarged view of a portion of FIG. 2 at I;
FIG. 6 is an enlarged view of a portion of FIG. 2 at II;
fig. 7 is a partial enlarged view of fig. 2 at III.
In the figure: 1. a natural gas combustion unit; 2. a transmission device; 3. compounding the cylinder body; 301. an outer cylinder; 302. a middle cylinder; 303. an inner barrel; 304. a material raising plate; 305. a first outer ring gear; 306. a first ring gear; 307. a second outer gear ring; 308. a second ring gear; 309. an anti-drop gear; 310. a fixed frame; 311. a double-layer end plate; 312. a through hole; 313. a ring plate; 314. a seal ring; 4. a feeding cylinder.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
As shown in fig. 1-7, a fly ash drum dryer heated by natural gas comprises a natural gas combustion device 1, a transmission device 2 and a composite drum 3, wherein the composite drum 3 comprises an outer drum 301, a middle drum 302 and an inner drum 303 which are different in diameter from large to small and are sleeved in a non-concentric manner, the inner walls of the outer drum 301, the middle drum 302 and the inner drum 303 are respectively provided with a rotary material raising plate 304, the feeding end of the inner drum 303 is communicated with a feeding drum 4 and the natural gas combustion device 1, the discharging end of the inner drum 303 is communicated with the feeding end of the middle drum 302, the discharging end of the middle drum 302 is communicated with the feeding end of the outer drum 301, the discharging end of the outer drum 301 is communicated with the discharging drum, the outer side of the inner drum 303, the inner side of the middle drum 302, the outer side of the middle drum 302 and the inner side of the outer drum 301 are respectively provided with a first outer gear ring 305, a first inner gear ring 306, a second outer gear ring gear 307 and a second inner ring gear 308, the first outer gear ring 305 is meshed with the first inner gear ring 306, the second outer gear ring 307 is meshed with the second inner gear ring 308, the first inner gear ring 306 and the second inner gear ring 308 are both provided with flanges for preventing deviation, the inner cylinder and the middle cylinder are influenced by self gravity, and rotate along with the outer cylinder when the outer cylinder rotates, and are always positioned at the lowest position of the gear rings.
In practical application, anti-disengaging devices with at least three anti-disengaging gears 309 are arranged between the first outer gear ring 305 and the first inner gear ring 306 and between the second outer gear ring 307 and the second inner gear ring 308, the anti-disengaging devices are mounted at gaps at the upper sides of the outer gear ring and the inner gear ring, the anti-disengaging gears 309 are meshed with the outer gear ring or the inner gear ring to the maximum extent, the anti-disengaging gears 309 meshed with the inner gear ring are provided with flanges, the anti-disengaging gears 309 meshed with the outer gear ring are not provided with flanges, the anti-disengaging gears 309 are mounted on the fixed frame 310, the anti-disengaging gears 309 are not interfered with each other, the outer gear ring is axially limited by the anti-disengaging gears, the outer gear ring is prevented from jumping, and the anti-disengaging gears can protect the maximum radial displacement.
In practical application, in order to keep the force stable, the first outer gear ring 305, the first inner gear ring 306, the second outer gear ring 307 and the second inner gear ring 308 all lie on the same plane, and the plane is also the plane where the riding wheel mechanism in the transmission is located.
In practical application, in order to ensure that the axial movement of the fly ash is not interfered at the gear ring, the first outer gear ring 305 and the second outer gear ring 307 adopt a hollow design, and the rotary material raising plate 304 at the position passes through the hollow.
In practical application, in order to guarantee the sealed effect of urceolus 301 and inner tube 303 terminal surface department, urceolus 301 feed end fixedly connected with double-deck end plate 311, double-deck end plate 311 is equipped with through-hole 312, through-hole 312 diameter is greater than inner tube 303 diameter, wear out in through-hole 312 is followed to inner tube 303 feed end, fixedly connected with crown plate 313 on the inner tube 303, crown plate 313 inserts between the double-deck end plate 311, be equipped with sealing washer 314 between double-deck end plate 311 and the crown plate 313, no matter the inner tube 303 takes place the circumference swing or beats, the sealed effect of urceolus 301 and inner tube 303 terminal surface department can all be guaranteed.
The working principle of the invention is as follows:
when the invention works, the transmission device 2 drives the composite cylinder 3 to rotate, wherein the outer cylinder 301 starts to rotate firstly, the middle cylinder 302 which is meshed with the outer cylinder 301 through the second outer gear ring 307 and the second inner gear ring 308 is influenced by gravity, the middle cylinder 302 also starts to rotate and stays at the lowest position of the second inner gear ring 307, the inner cylinder 303 also rotates under the action of gravity similarly, when the inner cylinder 303, the middle cylinder 302 and the outer cylinder 301 rotate, the rotary material raising plate 304 brings the fly ash to the upper half area of the cylinder to raise and throw down, hot air is emitted from the natural gas combustion device 1, passes through the inner cylinder 303, the middle cylinder 302 and the outer cylinder 301 in sequence, exchanges heat with the fly ash, and dries the fly ash, because the inner cylinder 303, the middle cylinder 302 and the outer cylinder 301 are not concentrically sleeved and are matched through the gear rings, and under the action of gravity, gaps among the cylinders are in the conditions of large upper part and small lower part, therefore, the falling distance of the lifted fly ash is increased, the fly ash is in contact with hot air for a long time, and the drying effect is improved.
In conclusion, the fly ash drum type dryer adopting natural gas for heating has the advantage of high drying efficiency.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical spirit and features of the present invention, and the present invention is not limited thereto but may be implemented by those skilled in the art.
Claims (4)
1. The utility model provides an adopt fly ash cylinder drying-machine of natural gas heating which characterized in that: the natural gas combustion device comprises a natural gas combustion device (1), a transmission device (2) and a composite barrel (3), wherein the composite barrel (3) comprises an outer barrel (301), a middle barrel (302) and an inner barrel (303) which are different in diameter from large to small and are sleeved in a non-concentric mode, the outer barrel (301), the middle barrel (302) and the inner barrel (303) are matched through a gear ring and are under the action of gravity, gaps among the barrels are large above and small below, rotary lifting plates (304) are arranged on the inner walls of the outer barrel (301), the middle barrel (302) and the inner barrel (303), the feed end of the inner barrel (303) is communicated with a feed barrel (4) and the natural gas combustion device (1), the discharge end of the inner barrel (303) is communicated with the feed end of the middle barrel (302), the discharge end of the middle barrel (302) is communicated with the feed end of the outer barrel (301), and the discharge end of the outer barrel (301) is communicated with the discharge barrel, a first outer gear ring (305), a first inner gear ring (306), a second outer gear ring (307) and a second inner gear ring (308) are respectively arranged on the outer side of the inner cylinder (303), the inner side of the middle cylinder (302), the outer side of the middle cylinder (302) and the inner side of the outer cylinder (301), the first outer gear ring (305) is meshed with the first inner gear ring (306), the second outer gear ring (307) is meshed with the second inner gear ring (308), and the first inner gear ring (306) and the second inner gear ring (308) are respectively provided with a flange for preventing deviation;
anti-disengaging devices with at least three anti-disengaging gears (309) are arranged between the first outer gear ring (305) and the first inner gear ring (306) and between the second outer gear ring (307) and the second inner gear ring (308), the anti-disengaging devices are arranged at gaps on the upper sides of the outer gear ring and the inner gear ring, the anti-disengaging gears (309) are meshed with the outer gear ring or the inner gear ring to the maximum extent, retaining edges are arranged on the anti-disengaging gears (309) meshed with the inner gear ring, the anti-disengaging gears (309) meshed with the outer gear ring are not provided with retaining edges, the anti-disengaging gears (309) are arranged on a fixed frame (310), and the anti-disengaging gears (309) are not interfered with each other.
2. A fly ash drum dryer heated with natural gas as claimed in claim 1, wherein: the first outer gear ring (305), the first inner gear ring (306), the second outer gear ring (307) and the second inner gear ring (308) are all located on the same plane.
3. A fly ash drum dryer heated with natural gas as claimed in claim 1, wherein: the first outer gear ring (305) and the second outer gear ring (307) are designed to be hollow, and the rotary material raising plate (304) penetrates through the hollow parts.
4. A fly ash drum dryer heated with natural gas as claimed in any one of claims 1 to 3, wherein: urceolus (301) feed end fixedly connected with double-deck end plate (311), double-deck end plate (311) are equipped with through-hole (312), through-hole (312) diameter is greater than inner tube (303) diameter, wear out in inner tube (303) feed end follow through-hole (312), fixedly connected with crown plate (313) on inner tube (303), crown plate (313) insert between double-deck end plate (311), be equipped with sealing washer (314) between double-deck end plate (311) and the crown plate (313).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010792019.XA CN111964392B (en) | 2020-08-08 | 2020-08-08 | Fly ash drum type dryer adopting natural gas for heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010792019.XA CN111964392B (en) | 2020-08-08 | 2020-08-08 | Fly ash drum type dryer adopting natural gas for heating |
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| Publication Number | Publication Date |
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| CN111964392A CN111964392A (en) | 2020-11-20 |
| CN111964392B true CN111964392B (en) | 2021-11-30 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116398892B (en) * | 2023-05-05 | 2024-01-23 | 江苏道捷环境科技有限公司 | Salt-containing waste liquid incineration boiler |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT317088B (en) * | 1971-02-13 | 1974-08-12 | Buettner Schilde Haas Ag | Three-pass drying drum |
| JPH0112158Y2 (en) * | 1984-09-10 | 1989-04-10 | ||
| CN100570253C (en) * | 2007-12-27 | 2009-12-16 | 辽宁中田干燥设备制造有限公司 | Three-return-stroke cylinder type drying machine |
| CN101524929B (en) * | 2008-03-04 | 2011-05-18 | 中国印钞造币总公司 | Coding device and coding method of print wheel of numbering machine |
| WO2012024660A2 (en) * | 2010-08-20 | 2012-02-23 | Seektech, Inc. | Asymmetric drag force bearings for use with push-cable storage drums |
| AT511780B1 (en) * | 2011-08-05 | 2013-11-15 | Andritz Ag Maschf | PIPE REACTOR FOR THE THERMAL TREATMENT OF BIOMASS |
| EP2578976A1 (en) * | 2011-10-06 | 2013-04-10 | Sanofi Pasteur Sa | Rotary drum for use in a vacuum freeze-dryer |
| CN105806059B (en) * | 2016-04-20 | 2018-06-26 | 吕爱萍 | A kind of granule materials dry mixed equipment |
| CN107345743B (en) * | 2016-05-05 | 2020-09-04 | 湖南鼎玖能源环境科技股份有限公司 | Rotary rotary furnace and eccentric swing type rotary furnace |
| CN107621141A (en) * | 2017-09-30 | 2018-01-23 | 沈艳 | Continuous rotary drying machine |
| US10605528B2 (en) * | 2018-03-27 | 2020-03-31 | Ronning Engineering Company, Inc. | Three stage single pass drying apparatus for particulate materials |
| CN110388798A (en) * | 2018-04-18 | 2019-10-29 | 孟州市远弘干燥设备研发有限公司 | Three vacuum dryers of lifting blade heated type |
| CN108955149A (en) * | 2018-07-27 | 2018-12-07 | 郑州极致科技有限公司 | A kind of complete drying unit of cereal |
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