CN104089470A - Energy-saving environmentally friendly material drying device - Google Patents
Energy-saving environmentally friendly material drying device Download PDFInfo
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- CN104089470A CN104089470A CN201410327747.8A CN201410327747A CN104089470A CN 104089470 A CN104089470 A CN 104089470A CN 201410327747 A CN201410327747 A CN 201410327747A CN 104089470 A CN104089470 A CN 104089470A
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Abstract
The invention discloses an energy-saving environmentally friendly material drying device. The energy-saving environmentally friendly material drying device comprises a material drier, a hot air conveying part and a dust-carried water vapor processing part, wherein an outer shell of the drier is installed on a basic frame, a drying pipe is horizontally installed in the outer shell of the drier, a branch air pipe is installed in the drying pipe, and first bearings are installed between the two ends of the outer shell of the drier and the two ends of the drying pipe and between the two ends of the drying pipe and the two ends of the branch air pipe respectively so that the drying pipe can rotate relative to the outer shell of the drier and the branch air pipe. A spirally wound heat radiation fin is welded to the outer wall of the middle of the drying pipe, a hot air via hole is formed in the outer wall of the branch air pipe, and the basic frame comprises a fixing supporting frame and four adjustment shaft rods. The drying pipe with the spiral fin rotates to push materials to advance, so that the thorough heat exchange is carried out on the materials, the dust-carried water vapor is prevented from being directly discharged into the atmosphere and polluting the environment, the purposes of saving energy and protecting the environment are achieved on the premise of guaranteeing that the materials are thoroughly dried, the material drier can be obliquely installed, and automatic ash discharging is facilitated.
Description
Technical field
The present invention relates to a kind of device for dry materials, belong to frame for movement, energy-conserving and environment-protective technical field.
Background technology
Existing material (as coal) before use, first will break into powdery with ball mill, but because coal is before entering ball mill, if be dried processing, can affect normal discharging; Being chosen in of having carried out dry tack free by electrically heated electro-heat equipment to coal before entering ball mill, but coal is dry thorough not, and the time one is long, can affect equally the normal discharging of ball mill.
Occurred subsequently dry materials device, because dry materials device exists some defects in structural design, the time one is long, is easy to deposit dust in drier inner chamber, and cleaning is got up and bothered very much.
Summary of the invention
The present invention is directed to above-mentioned technical problem and improve, intend providing a kind of material drying device of brand new, can not only carry out finish-drying to material, also there is the function of automatic removing dust, and energy-conserving and environment-protective.
For solving above technical problem, the technical solution adopted in the present invention is: a kind of energy saving and environment friendly material drying device, comprise dry materials device, hot blast translator unit and dust-containing water steam treated part, and key is:
Described dry materials device comprises pedestal (1) and horizontally disposed drier enclosure (2), described drier enclosure (2) is arranged on pedestal (1), on drier enclosure (2), be provided with charging aperture (2a) and discharging opening (2b), the interior level of described drier enclosure (2) is equipped with drying tube (3), gas-distributing pipe (4) is housed in drying tube (3), and drying tube (3) is coaxially arranged with gas-distributing pipe (4), between the both ends of the both ends of described drier enclosure (2) and drying tube (3), clutch shaft bearing (6) is housed respectively between the both ends of drying tube (3) and the both ends of gas-distributing pipe, described drying tube (3) rotates under the driving of the first actuating unit, the outer wall at described drying tube (3) middle part is welded with the radiating fin (3a) being wound around in the shape of a spiral, described charging aperture (2a) be positioned at helical form radiating fin (3a) original position directly over, discharging opening (2b) be positioned at helical form radiating fin (3a) final position under, on the tube wall of described gas-distributing pipe (4), offer hot blast via hole (4a), described pedestal (1) comprises fixing support rack (1a) and four adjustment axle (1b), described fixing support rack (1a) is with the sleeve of four rectangular distributions, the corresponding described adjustment axle (1b) of each sleeve, insert in each self-corresponding sleeve the lower end of adjustment axle (1b), and be fixed together with the bolt (10) of sleeve by energy up-down adjustment, on the outer wall of described drier enclosure (2), be installed with adjustment axle (1b) quantity and equate, the mounting blocks (8) that position is corresponding, each mounting blocks (8) is provided with a turning cylinder (11) by the second bearing (9), described turning cylinder (11) be horizontally disposed with and with the intersect vertical axis of drying tube (3), the outboard end of turning cylinder (11) stretches in the strip hole (12a) on corresponding with it strip plate (12), and be slidably connected with horizontally extending strip hole (12a), the lower end of described strip plate (12) is hinged with the upper end of corresponding adjustment axle (1b), the left and right sides of described turning cylinder (11) is symmetrically arranged with and holds out against screw (13), the described termination that holds out against screw (13) withstands on the sidewall of turning cylinder (11) through after strip plate (12), on a wherein end outer wall of described drying tube (3), have the ash-hole (3c) perpendicular to outer wall,
Described hot blast translator unit comprises hot air boiler (14), hot blast backwind tube (15), 1# blower fan (16) and combustor (17), described hot air boiler (14), 1# fan wind inleting tube (18), 1# blower fan (16), 1# blower fan exhaust duct (19), gas-distributing pipe (4), hot blast backwind tube (15) are connected into loop successively, described 1# blower fan (15) rotates under the driving of the second actuating unit, and described hot air boiler (14) is by combustor (17) heat supply;
Described dust-containing water steam treated partly comprises 2# blower fan (20) and gas wash tower (21), the air inlet of described 2# blower fan (20) is connected by 2# fan wind inleting tube (22) with the sidewall of drier enclosure (2), 2# fan outlet is connected by 2# blower fan exhaust duct (23) with gas wash tower (21), and described 2# blower fan (20) rotates under the driving of the 3rd actuating unit.
As such scheme preferably, on the pipeline section outer wall of the upper distribution radiating fin (3a) of described drying tube (3), be provided with some louvres (3b); Set up louvre, in conjunction with radiating fin, further increase heat exchange area, make heat exchange more abundant thoroughly, also more energy-conservation, but be only applicable to the dry of lump material, be not suitable for the dry of granular material.
Further, described hot blast via hole (4a) is by being distributed in gas-distributing pipe (4) bottom, and angle [alpha] is that the some apertures in the cross section fan-shaped range of 150 ° form, and uniform on the whole length direction extending at radiating fin (3a); By the dispel the heat position of via hole of optimization, avoid material dust to stop up hot blast via hole, guarantee that the hot blast in gas-distributing pipe can enter in drying tube smoothly.
Described the first actuating unit is comprised of the 1# motor (24) of connecting successively, 1# belt gear (25), gearbox (26) and sprocket wheel link chain mechanism (27), described the second actuating unit is comprised of 2# motor (28), 2# belt gear (29), described in state the 3rd actuating unit and formed by 3# motor (30), 3# belt gear (31).By optimizing first, second, third actuating unit, under the prerequisite of the normal operation of assurance device, convenient installation and low cost of manufacture.
On described hot blast backwind tube (15), be provided with pressure-regulating valve (32) and new air-valve (5); When closing presure control valve, the new air-valve of standard-sized sheet can clean processing to drying system.
The course of work is as follows: by the first actuating unit, drive drying tube to rotate, and drier enclosure and gas-distributing pipe transfixion, material drops on drying tube outer wall through charging aperture, and to discharging opening direction, advances under the drive of helical fin; Hot blast after hot air boiler heating, by 1# blower fan, send into gas-distributing pipe, the hot blast that enters gas-distributing pipe enters drying tube inner chamber through hot blast via hole, and by the abundant heat exchange of material of carrying on the fin on drying tube tube wall and tube wall and drying tube outer wall, dry materials completes by discharging opening and discharges, and the hot blast after heat exchange recycles after again sending hot air boiler heating back to by hot blast backwind tube again; Dust-containing water steam in drier is sent into after gas wash tower is processed and is discharged in atmosphere by 2# blower fan.
While needing ash discharge, unscrew the symmetrically arranged screw that holds out against of bolt and the turning cylinder left and right sides between fixing support rack and adjustment axle on pedestal, make one end that ash-hole is set on dry materials device lower than the other end, by adjusting up and down bolt, make the height of the pedestal left and right sides different, device to be dried tilts to after proper angle, then tights a bolt and hold out against screw; Because turning cylinder can slide in the strip hole of strip plate, therefore can, by adjusting the position of turning cylinder in strip hole, when tilting drier, realize the left and right play of drier, so that the layout of the various pipelines that are connected with drier.
Beneficial effect of the present invention:
(1) by the drying tube with helical fin, rotated, thereby with promotion material, advance material is carried out to abundant heat exchange, heat exchange fin has not only improved heat exchange area, also for promoting material, advances, have that heat exchange area is large, the heat exchange feature such as fully, thereby improved heat utilization efficiency;
(2) this drier tiltable is installed, can like a cork the dust in drier inner chamber be discharged on the one hand, do not need to enter in drier inner chamber and clean, after tilting to install on the other hand, be more suitable for the dry of graininess, powder material, and level is more suitable for the dry of lump material, the i.e. dry materials applicable to the specification that varies in size by different mounting means while installing;
(3) by the dust-containing water steam treated part of setting up, avoided dust-containing water steam to be directly discharged into contaminated environment in atmosphere; Meanwhile, by recycling of hot blast, guaranteeing that dry materials thoroughly under prerequisite, realized the object of energy-conserving and environment-protective jointly.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the structural representation of dry materials device.
Fig. 4 is the left view of Fig. 3.
Fig. 5 is the installation partial enlarged drawing between drier enclosure end, drying tube end and gas-distributing pipe end.
Fig. 6 is the structural representation of gas-distributing pipe.
Fig. 7 is the A-A cutaway view of Fig. 6.
State diagram while being dried when Fig. 8 is ash discharge or for graininess, powder material.
Fig. 9 is the B-B cutaway view of Fig. 3.
Wherein, pedestal 1, drier enclosure 2, drying tube 3, gas-distributing pipe 4, new air-valve 5, clutch shaft bearing 6, sealing ring 7, mounting blocks 8, the second bearing 9, bolt 10, turning cylinder 11, strip plate 12, hold out against screw 13, hot air boiler 14, hot blast backwind tube 15, 1# blower fan 16, combustor 17, 1# fan wind inleting tube 18, 1# blower fan exhaust duct 19, 2# blower fan 20, gas wash tower 21, 2# fan wind inleting tube 22, 2# blower fan exhaust duct 23, 1# motor 24, 1# belt gear 25, gearbox 26, sprocket wheel link chain mechanism 27, 2# motor 28, 2# belt gear 29, 3# motor 30, 3# belt gear 31, pressure-regulating valve 32.
The specific embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
In conjunction with Fig. 1---shown in Fig. 3, a kind of energy saving and environment friendly material drying device, is mainly partly comprised of dry materials device, hot blast translator unit and dust-containing water steam treated.
Shown in Fig. 3, Fig. 4, dry materials device is mainly comprised of drier enclosure 2, drying tube 3, gas-distributing pipe 4, clutch shaft bearing 6 and the first actuating unit.Drier enclosure 2 is horizontally disposed with, and is preferably cylindrical shape.Drier enclosure 2 is arranged on pedestal 1, and pedestal 1 is fixing for support and the installation of drier enclosure 2.
On drier enclosure 2, be provided with charging aperture 2a and discharging opening 2b, material enters, from discharging opening 2b, discharges (as shown by the arrows in Figure 3) from charging aperture 2a.The interior level of drier enclosure 2 is equipped with drying tube 3, and gas-distributing pipe 4 is housed in drying tube 3, and drying tube 3 is coaxially arranged with gas-distributing pipe 4, i.e. gas-distributing pipe 4, drying tube 3 and drier enclosure 2 coaxial package successively from inside to outside.
Between the both ends of the both ends of drier enclosure 2 and drying tube 3, clutch shaft bearing 6 is housed respectively between the both ends of drying tube 3 and the both ends of gas-distributing pipe, drying tube 3 rotates under the driving of the first actuating unit.The first actuating unit is preferably comprised of the 1# motor 24 of connecting successively, 1# belt gear 25, gearbox 26 and sprocket wheel link chain mechanism 27, but not as limit.While specifically arranging, the length of drier enclosure 2 is the shortest, and the length of gas-distributing pipe 4 is the longest, and the length of drying tube 3 is between drier enclosure 2 and gas-distributing pipe 4.The both ends of gas-distributing pipe 4 extend to outside drying tube 3, are for clutch shaft bearing 6 is installed on the one hand, are for the intake interface as hot blast and the interface of giving vent to anger on the other hand.The two ends of drying tube 3 reaches outside drier enclosure 2, is for clutch shaft bearing 6 is installed on the one hand, is for the wherein sprocket wheel 27a of an end overcoat dress sprocket wheel link chain mechanism 27 at drying tube 3 on the other hand.
Outer wall at drying tube 3 middle parts is welded with in the shape of a spiral the radiating fin 3a being wound around, charging aperture 2a be positioned at helical form radiating fin 3a original position directly over, discharging opening 2b be positioned at helical form radiating fin 3a final position under.A wherein end of drying tube 3 is installed with sprocket wheel 27a, offers hot blast via hole 4a on the tube wall of gas-distributing pipe 4, is convenient to carry out heat exchange with drying tube 3 inner chambers.
Preferably, shown in Fig. 3, Fig. 5, Fig. 6, hot blast via hole 4a is by being distributed in gas-distributing pipe 4 bottoms, angle [alpha] is that the some apertures in the cross section fan-shaped range of 90～150 ° form, and uniform on the whole length direction extending at radiating fin 3a, the some apertures that form hot blast via hole 4a are in a row in column uniform, and the length of length and radiating fin 3a is suitable.On drying tube 3, distribute on the pipeline section outer wall of radiating fin 3a, be provided with some louvre 3b, to be exclusively used in the dry of lump material.
Shown in Fig. 3, Fig. 4, between the both ends of drier enclosure 2 and the both ends of drying tube 3, be also provided with some sealing rings 7 between the both ends of drying tube 3 and the both ends of gas-distributing pipe.
Shown in Fig. 3, Fig. 4, pedestal 1 is mainly comprised of fixing support rack 1a and four adjustment axle 1b.Fixing support rack 1a is with the sleeve of four rectangular distributions, the corresponding adjustment axle 1b of each sleeve, and insert in each self-corresponding sleeve the lower end of adjustment axle 1b, and the bolt 10 by can up-down adjustment is fixed together with sleeve; Adjustment axle 1b can stretch up and down in each self-corresponding sleeve, makes pedestal 1 all adjustable with four mounting points height of drier enclosure 2, and while specifically installing, the height of two adjustment axle 1b in left side is consistent, and the height of two adjustment axle 1b on right side is consistent.
On the outer wall of drier enclosure 2, be installed with the mounting blocks 8 equal with adjustment axle 1b quantity, position is corresponding.Each mounting blocks 8 forms by the bearing mounting blocks, the bearing gland that are welded on a web on drier enclosure 2 outer walls, weld together with web, web is set to increase the bonding area of mounting blocks 8 and drier enclosure 2 outer walls, guarantees the reliability of welding.Each mounting blocks 8 is provided with a turning cylinder 11 by the second bearing 9, turning cylinder 11 can rotate, turning cylinder 11 be horizontally disposed with and with the intersect vertical axis of drying tube 3, the outboard end of turning cylinder 11 stretches in the strip hole 12a on corresponding with it strip plate 12, and be slidably connected with horizontally extending strip hole 12a, the lower end of strip plate 12 is hinged with the upper end of corresponding adjustment axle 1b, the left and right sides of turning cylinder 11 is symmetrically arranged with and holds out against screw 13, the termination that holds out against screw 13 withstands on the sidewall of turning cylinder 11 through after strip plate 12, on a wherein end outer wall of drying tube 3, have the ash-hole 3c perpendicular to outer wall.
Preferably, the two-stage round platform that turning cylinder 11 is fixed together by axostylus axostyle, with axostylus axostyle outer end forms, correspondingly, strip hole 12a by two level widths not etc. yet, but step strip hole mate with two-stage round platform diameter respectively formation; This structure setting, makes the slip of turning cylinder 11 in the 12a of strip hole more steady.
Shown in Fig. 9, totally four of ash-hole 3c are circumference uniform distribution on the outer wall of drying tube 3, and each ash-hole 3c is equipped with cover plate.
While Figure 8 shows that ash discharge, or state diagram when dry for graininess, powder material.Now, one end that ash-hole is set on drier is lower than the other end, facilitates dust to discharge from ash-hole 3c.For the material of graininess, dust-like, in whole dry run, all drier is obliquely installed, and when dry for lump material, drier is horizontally disposed with, only when needs ash discharge, ability tilts drier.
Shown in Fig. 1, Fig. 2, hot blast translator unit is comprised of hot air boiler 14, hot blast backwind tube 15,1# blower fan 16, combustor 17,1# fan wind inleting tube 18,1# blower fan exhaust duct 19, the second actuating unit etc.Hot air boiler 14,1# fan wind inleting tube 18,1# blower fan 16,1# blower fan exhaust duct 19, gas-distributing pipe 4, hot blast backwind tube 15 are connected into loop successively, and 1# blower fan 15 rotates under the driving of the second actuating unit, and hot air boiler 14 is by combustor 17 heat supplies.The second actuating unit is preferably comprised of 2# motor 28,2# belt gear 29, but not as limit.Hot blast in hot blast translator unit airflow direction as shown in Figure 1, Figure 2 in shown in arrow.
Dust-containing water steam treated part is comprised of 2# blower fan 20, gas wash tower 21,2# fan wind inleting tube 22,2# blower fan exhaust duct 23 and the 3rd actuating unit etc.The air inlet of 2# blower fan 20 is connected by 2# fan wind inleting tube 22 with the sidewall of drier enclosure 2, and 2# fan outlet is connected by 2# blower fan exhaust duct 23 with gas wash tower 21, and 2# blower fan 20 rotates under the driving of the 3rd actuating unit.The 3rd actuating unit is preferably comprised of 3# motor 30,3# belt gear 31, but not as limit.The airflow direction of dust-containing water steam in dust-containing water steam treated part is as shown in Figure 1, Figure 2 shown in middle arrow.
In addition, on hot blast backwind tube 15, be provided with pressure-regulating valve 32 and new air-valve 5.
Claims (6)
1. an energy saving and environment friendly material drying device, comprises dry materials device, hot blast translator unit and dust-containing water steam treated part, it is characterized in that:
Described dry materials device comprises pedestal (1) and horizontally disposed drier enclosure (2), described drier enclosure (2) is arranged on pedestal (1), on drier enclosure (2), be provided with charging aperture (2a) and discharging opening (2b), the interior level of described drier enclosure (2) is equipped with drying tube (3), gas-distributing pipe (4) is housed in drying tube (3), and drying tube (3) is coaxially arranged with gas-distributing pipe (4), between the both ends of the both ends of described drier enclosure (2) and drying tube (3), clutch shaft bearing (6) is housed respectively between the both ends of drying tube (3) and the both ends of gas-distributing pipe, described drying tube (3) rotates under the driving of the first actuating unit, the outer wall at described drying tube (3) middle part is welded with the radiating fin (3a) being wound around in the shape of a spiral, described charging aperture (2a) be positioned at helical form radiating fin (3a) original position directly over, discharging opening (2b) be positioned at helical form radiating fin (3a) final position under, on the tube wall of described gas-distributing pipe (4), offer hot blast via hole (4a), described pedestal (1) comprises fixing support rack (1a) and four adjustment axle (1b), described fixing support rack (1a) is with the sleeve of four rectangular distributions, the corresponding described adjustment axle (1b) of each sleeve, insert in each self-corresponding sleeve the lower end of adjustment axle (1b), and be fixed together with the bolt (10) of sleeve by energy up-down adjustment, on the outer wall of described drier enclosure (2), be installed with adjustment axle (1b) quantity and equate, the mounting blocks (8) that position is corresponding, each mounting blocks (8) is provided with a turning cylinder (11) by the second bearing (9), described turning cylinder (11) be horizontally disposed with and with the intersect vertical axis of drying tube (3), the outboard end of turning cylinder (11) stretches in the strip hole (12a) on corresponding with it strip plate (12), and be slidably connected with horizontally extending strip hole (12a), the lower end of described strip plate (12) is hinged with the upper end of corresponding adjustment axle (1b), the left and right sides of described turning cylinder (11) is symmetrically arranged with and holds out against screw (13), the described termination that holds out against screw (13) withstands on the sidewall of turning cylinder (11) through after strip plate (12), on a wherein end outer wall of described drying tube (3), have the ash-hole (3c) perpendicular to outer wall,
Described hot blast translator unit comprises hot air boiler (14), hot blast backwind tube (15), 1# blower fan (16) and combustor (17), described hot air boiler (14), 1# fan wind inleting tube (18), 1# blower fan (16), 1# blower fan exhaust duct (19), gas-distributing pipe (4), hot blast backwind tube (15) are connected into loop successively, described 1# blower fan (15) rotates under the driving of the second actuating unit, and described hot air boiler (14) is by combustor (17) heat supply;
Described dust-containing water steam treated partly comprises 2# blower fan (20) and gas wash tower (21), the air inlet of described 2# blower fan (20) is connected by 2# fan wind inleting tube (22) with the sidewall of drier enclosure (2), 2# fan outlet is connected by 2# blower fan exhaust duct (23) with gas wash tower (21), and described 2# blower fan (20) rotates under the driving of the 3rd actuating unit.
2. according to energy saving and environment friendly material drying device claimed in claim 1, it is characterized in that: on the pipeline section outer wall of the upper distribution radiating fin (3a) of described drying tube (3), be provided with some louvres (3b).
3. according to the energy saving and environment friendly material drying device described in claim 1 or 2, it is characterized in that: described hot blast via hole (4a) is by being distributed in gas-distributing pipe (4) bottom, angle [alpha] is that the some apertures in the cross section fan-shaped range of 150 ° form, and uniform on the whole length direction extending at radiating fin (3a).
4. according to energy saving and environment friendly material drying device claimed in claim 1, it is characterized in that: described the first actuating unit is comprised of the 1# motor (24) of connecting successively, 1# belt gear (25), gearbox (26) and sprocket wheel link chain mechanism (27), described the second actuating unit is comprised of 2# motor (28), 2# belt gear (29), described in state the 3rd actuating unit and formed by 3# motor (30), 3# belt gear (31).
5. according to energy saving and environment friendly material drying device claimed in claim 1, it is characterized in that: on described hot blast backwind tube (15), be provided with pressure-regulating valve (32) and new air-valve (5).
6. according to energy saving and environment friendly material drying device claimed in claim 1, it is characterized in that: totally four of described ash-holes (3c) are circumference uniform distribution on the outer wall of drying tube (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410327747.8A CN104089470B (en) | 2014-07-10 | 2014-07-10 | A kind of energy saving and environment friendly material drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410327747.8A CN104089470B (en) | 2014-07-10 | 2014-07-10 | A kind of energy saving and environment friendly material drying device |
Publications (2)
| Publication Number | Publication Date |
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| CN104089470A true CN104089470A (en) | 2014-10-08 |
| CN104089470B CN104089470B (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410327747.8A Expired - Fee Related CN104089470B (en) | 2014-07-10 | 2014-07-10 | A kind of energy saving and environment friendly material drying device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105707549A (en) * | 2014-12-01 | 2016-06-29 | 重庆鸿谦农业开发有限责任公司 | Multi-flavour dried sweet potato processing screening complete equipment with heat preservation and mixing mechanism |
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| CN2383023Y (en) * | 1999-07-16 | 2000-06-14 | 张春生 | Multifunction double tube circulation hot air grain drier |
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| CN201926282U (en) * | 2011-01-26 | 2011-08-10 | 桃江县琼宇竹粉厂 | Preheating device for drying machine |
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| CN103528352A (en) * | 2013-10-31 | 2014-01-22 | 郑州鑫地机械设备有限公司 | Spiral dryer |
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| CN2383023Y (en) * | 1999-07-16 | 2000-06-14 | 张春生 | Multifunction double tube circulation hot air grain drier |
| JP2006300443A (en) * | 2005-04-22 | 2006-11-02 | Agurikkusu:Kk | Drying treatment machine |
| CN201206835Y (en) * | 2008-04-03 | 2009-03-11 | 浙江大学 | Sludge treatment system utilizing pulverized coal boiler of power station |
| JP2011137613A (en) * | 2009-12-28 | 2011-07-14 | Kenki Kk | Drying device |
| CN201926282U (en) * | 2011-01-26 | 2011-08-10 | 桃江县琼宇竹粉厂 | Preheating device for drying machine |
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| CN105707549A (en) * | 2014-12-01 | 2016-06-29 | 重庆鸿谦农业开发有限责任公司 | Multi-flavour dried sweet potato processing screening complete equipment with heat preservation and mixing mechanism |
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| Publication number | Publication date |
|---|---|
| CN104089470B (en) | 2015-11-25 |
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