CN107388745A - A kind of box-type hot-air drying unit - Google Patents
A kind of box-type hot-air drying unit Download PDFInfo
- Publication number
- CN107388745A CN107388745A CN201710670770.0A CN201710670770A CN107388745A CN 107388745 A CN107388745 A CN 107388745A CN 201710670770 A CN201710670770 A CN 201710670770A CN 107388745 A CN107388745 A CN 107388745A
- Authority
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- China
- Prior art keywords
- air
- hot blast
- airduct
- baking oven
- hot
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 238000007602 hot air drying Methods 0.000 title claims abstract description 22
- 238000002485 combustion reaction Methods 0.000 claims abstract description 40
- 239000011324 bead Substances 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 8
- 238000007639 printing Methods 0.000 description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 239000007789 gas Substances 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a kind of box-type hot-air drying unit,Including hot blast casing and baking oven,Burner is installed on hot blast casing,Burner is connected with combustion barrel,Combustion barrel is located in hot bellows body,Hot blast wall box bottom is fixed with air draft airduct,The air draft airduct other end is connected with exhaust fan,Hot blast wall box top is also equipped with circulating fan,Circulating fan air outlet is provided with circulating fan,Circulating fan air outlet is located at hot blast box house,Circulating fan air outlet is connected with air-out connection airduct,The top of the other end connection baking oven of air-out connection airduct,Hot blast wall box bottom is fixed with return air airduct,The bottom of the other end connection baking oven of return air airduct,The bottom surface of hot blast casing is communicated with fresh wind tube,Combuster dividing plate is fixedly installed along hot blast cabinet wall,Combustion chamber dividing plate is located at below combustion barrel,Blast pipe is communicated with the dividing plate of combustion chamber,The blast pipe other end connects combustion barrel.Solve the problems, such as that hot air flow present in prior art loses.
Description
Technical field
The invention belongs to printing packaging drying unit technical field, is related to a kind of box-type hot-air drying unit.
Background technology
Hot-air drying unit is the important part of printing packaging plant equipment.At present, the speed of printing equipment is increasingly
It hurry up, and rate of drying directly affects the machine speed of equipment.The drying system of printing packaging industry more than 90% dries using hot blast
It is dry.If it is intended to improve the speed of whole set equipment, research and develop new, efficiently, more energy efficient, safe hot air apparatus is primary appoints
Business.
The present invention is based on domestic market present situation：Equipment rate of drying is low, machine is fast slow, and production capacity is not with and " energy-conservation subtracts for various regions
Row " policy call and research and develop.
The content of the invention
It is an object of the invention to provide a kind of box-type hot-air drying unit, solves hot air flow present in prior art
The problem of mistake.
The technical solution adopted in the present invention is a kind of box-type hot-air drying unit, including hot blast casing and baking oven, heat
Burner is installed, middle part is provided with combustion barrel, burner connection combustion barrel, hot blast wall box in hot bellows body on wind box
Bottom is fixed and is communicated with air draft airduct, and the air draft airduct other end is connected with exhaust fan, and hot blast wall box top is also equipped with
Circulating fan, circulating fan air outlet is provided with circulating fan, circulating fan air outlet is located at hot blast box house, circulated air
Machine air outlet is connected with air-out connection airduct, and the other end of air-out connection airduct extends to outside hot bellows body and connects baking oven
Top, the also fixation of hot blast wall box bottom are communicated with return air airduct, and return air airduct is connected airduct with air-out and is located at hot blast casing
Homonymy, the bottom of the other end connection baking oven of return air airduct, the bottom surface of hot blast casing is communicated with fresh wind tube, along hot blast cabinet wall
Combuster dividing plate is fixedly installed, combustion chamber dividing plate is located at below combustion barrel, and blast pipe, blast pipe are communicated with the dividing plate of combustion chamber
The other end connects combustion barrel.
The features of the present invention also resides in,
Baking oven includes baking oven housing and baking oven inner bag, and heat-insulation layer is provided between baking oven housing and baking oven inner bag, and air-out connects
Air duct connects with baking oven inner bag, and return air airduct connects with baking oven housing, and baking oven inner bag offers multiple wind successively from top to bottom
Mouth.
The one end of combustion barrel away from burner is provided with gear fire cover, and fire resisting shield is further fixed in side wall in hot bellows body,
Fire resisting shield is located above combustion barrel.
Fresh-air volume adjuster is installed on fresh wind tube, air draft blast regulator is installed on air draft airduct.
Hot blast casing is arranged to double-deck, and heat-insulation layer is provided between two layers.
Thermocouple is installed in air-out connecting tube.
The bottom surface of hot blast casing is further opened with osculum.
The width of baking oven inner bag tapers into from top to bottom.
Return air airduct is provided with deep bead with baking oven housing junction, and deep bead is fixed on baking oven housing, on deep bead
Hole is offered, hole increases successively from down to up.
The invention has the advantages that the present invention uses hot blast upper entering and lower leaving, with traditional bottom in and top out formula hot-air oven
Compare, hot blast can be avoided to overflow, printing plate ink is dried up, influences printing quality.Traditional bottom in and top out formula, due to hot blast by
Decentralization enters, and can transfer to form malleation (i.e. hyperbar) in baking oven, and hot blast under pressure, can overflow at baking oven gap,
The hot blast of spilling blows to printing plate, and printing plate curing ink is dried up；And upper intake lower outlet type, because return air airduct is in lower section, exhaust fan
Constantly from air draught at return air airduct, therefore negative pressure (i.e. low pressure) can be produced in lower section, hot blast will not be from item baking oven housing
Overflow, avoid drying up printing plate, reduce hot blast and be lost in, improve efficiency.
Brief description of the drawings
Fig. 1 is a kind of structural representation of box-type hot-air drying unit of the present invention；
Fig. 2 is Fig. 1 top view；
Fig. 3 is a kind of structural representation of box-type hot-air drying unit baking oven of the present invention；
Fig. 4 is Fig. 3 side view.
In figure, 1. exhaust fans, 2. air draft airducts, 3. burners, 4. combustion barrels, 5. gear fire covers, 6. hot blast casings, 7. protect
Warm layer, 8. fire resisting shields, 9. circulating fans, 10. adpting flanges, 11. circulating fan air outlets, 12. air-out connection airduct, 13.
Thermocouple, 14. baking oven housings, 15. baking oven inner bags, 16. deep beads, 17. return air airducts, 18. remove paper fleece, 19. fresh-air volumes
Adjuster, 20. fresh air airducts, 21. osculums, 22. combustion chamber dividing plates, 23. waste discharge blast regulators, 24. baking ovens, 25. tuyeres,
26. blast pipe.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
A kind of box-type hot-air drying unit provided by the invention, its structure as shown in Figure 1 and Figure 2, including hot blast casing 6
With baking oven 24, burner 3 is installed on hot blast casing 6, middle part is provided with combustion barrel 4, the connection combustion of burner 3 in hot blast casing 6
Cylinder 4 is burnt, the lower sidewall of hot blast casing 6 is fixed and is communicated with air draft airduct 2, and the other end of air draft airduct 2 is connected with exhaust fan 1, heat
The side wall upper part of wind box 6 is also equipped with circulating fan 9, circulating fan air outlet 11 is provided with circulating fan 9, circulating fan goes out
Air port 11 is located inside hot blast casing 6, and circulating fan air outlet 11 is connected with air-out connection airduct 12, air-out connection airduct 12
The other end extends to the outside of hot blast casing 6 and connects the top of baking oven 24, and the also fixation of the lower sidewall of hot blast casing 6 is communicated with return air
Airduct 17, return air airduct 17 are connected airduct 12 with air-out and are located at the homonymy of hot blast casing 6, the other end connection baking oven of return air airduct 17
24 bottom, the bottom surface of hot blast casing 6 are communicated with fresh wind tube 20, and combuster dividing plate 22 is fixedly installed along the inwall of hot blast casing 6,
Combustion chamber dividing plate 22 is located at the lower section of combustion barrel 4, and blast pipe 26, the connection combustion of the other end of blast pipe 26 are communicated with combustion chamber dividing plate 22
Burn cylinder 4；Combustion chamber dividing plate 22 is fixed by welding in the inwall of hot blast casing 6.
As shown in Fig. 2 when the side wall upper part of hot blast casing 6 is provided with circulating fan 9, it is provided with symmetrical two sides
Circulating fan 9, the circulating fan 9 of both sides are provided with circulating fan air outlet 11, and two circulating fan air outlets 11 are respectively positioned on
Inside hot blast casing 6, two circulating fan air outlets 11 are respectively connected with air-out connection airduct 12, the air-out connection airduct 12 of both sides
The other end all extend to the outside of hot blast casing 6 and connect the top of baking oven 24.
As shown in figure 3, baking oven 24 includes baking oven housing 14 and baking oven inner bag 15, between baking oven housing 14 and baking oven inner bag 15
Heat-insulation layer is installed, air-out connection airduct 12 connects with baking oven inner bag 15, and return air airduct 17 connects with baking oven housing 14, in baking oven
Courage 15 offers multiple tuyeres 25 successively from top to bottom.
The one end of combustion barrel 4 away from burner 3 is provided with gear fire cover 5, and fire prevention gear is further fixed on the madial wall of hot blast casing 6
Plate 8, fire resisting shield 8 are located at the top of combustion barrel 4；Fire resisting shield 8 and gear fire cover 5 are used for the flame for blocking burner 3, prevent its burning
Bad circulating fan 9, thus fire resisting shield 8 does not separate completely by combustion barrel 4 with the top of hot blast casing 6, fire resisting shield 8 is welded on
On the madial wall of hot blast casing 6.
Fresh-air volume adjuster 19 is installed on fresh wind tube 20, air draft blast regulator 23 is installed on air draft airduct 2.
Hot blast casing 6 is arranged to double-deck, and heat-insulation layer 7 is provided between two layers.
Thermocouple 13 is installed in air-out connecting tube 12.
The bottom surface of hot blast casing 6 is further opened with osculum 21.
As shown in figure 4, the width of baking oven inner bag 15 tapers into from top to bottom.
Return air airduct 17 is provided with deep bead 16 with the junction of baking oven housing 14, and deep bead 16 is fixed on baking oven housing 14
On, hole is offered on deep bead 16, hole increases successively from down to up, and deep bead 16 is welded on baking oven housing 14.
A kind of operation principle of box-type hot-air drying unit of the present invention is that air enters hot blast casing by fresh wind tube 20
In 6, then by the way that in the entrance combustion barrel 4 of blast pipe 26 on combustion chamber dividing plate 22, when burner 3 works, flame is in 4 combustion barrels
Burning, air is heated, and the air bypasses fire resisting shield 8 after heating enters circulating fan 9, is acted on by circulating fan 9, hot blast
Enter from circulating fan air outlet 11 in air-out connecting tube 12, baking oven inner bag 15 is entered back into, because circulating fan 9 is constantly to baking oven
Inner bag 15 is dried, and under Action of Wind pressure, hot blast blows to printing stock from the tuyere 25 of baking oven inner bag 15, and it is dried,
Then returned to by the return air airduct 17 being connected with baking oven housing 14 in hot blast casing 6, return to the hot blast and fresh air of hot blast casing 6
The air mixing of pipe 20, mixed gas is under the effect of the different pressures of circulating fan 9 and exhaust fan 1, a part of mixing air
Discharged by air draft airduct 2 into exhaust fan 1, another part mixed gas reenters combustion barrel by combustion chamber dividing plate 22
4 are heated, and the air bypasses fire resisting shield 8 after heating enters circulating fan 9, so circulation.
Wherein, the big I of fresh-air volume is adjusted by fresh-air volume adjuster 19, and air draft air force can pass through air draft
Blast regulator 23 is adjusted, and air circulation big I carries out variable frequency adjustment by using the circulating fan 9 of frequency conversion, or is going out
Wind connecting tube 12 increases blast regulator to adjust, and the air force of whole box-type hot-air drying unit can be according to production line
Different process is adjusted.
Wherein, hot blast casing 6 is designed as bilayer, is mounted with heat-insulation layer 7 between double-deck, can reduce thermal loss, improves
Efficiency, reach energy-conservation purpose；Meanwhile the hot blast tank surface temperature of item 6 can be reduced, prevent from scalding, improve security.
Whole device temperature can be equipped with item thermocouple according to actual process demand adjusting size in air-out connecting tube 12
13, circulating fan leaving air temp can be monitored in real time, so as to the wind-warm syndrome that goes out according to circulating fan, the natural gas of adjustment item burner 3
Air inflow, adjust flame size, technological requirement reached with minimum natural gas dosage, realizes energy-conservation.
Because combustion of natural gas can produce vapor, stainless steel is used inside hot-air drying unit, there is high temperature resistant and prevent
Rust function, meanwhile, in hot blast casing bottom design osculum 21, the water for allowing burning to generate flows out in time.
Due to paper hair can be produced in the drying process in stock, so at hot blast casing 6 and the connection of return air airduct 17
Installation removes paper fleece 18, filters the paper hair in return air, prevents paper hair to be entrained in return air, blocks item burner 3, easy cleaning paper
Hair.
Baking oven is formed by welding by baking oven housing 14 and baking oven inner bag 15, is provided between baking oven housing 14 and baking oven inner bag 15
Heat-insulation layer, so as to play the heat-blocking action of baking oven, reduce heat and scatter and disappear, improve hot blast utilization rate.
Circulating fan 9 is arranged on 6 on hot blast casing by adpting flange 10, hot blast is directly blown into air-out connecting tube 12,
Due to there is no pipeline connection between circulating fan 9 and hot blast casing 6, the just radiating without hot blast in the duct, so as to reduce
Thermal loss, improve the utilization rate of heat, improve rate of drying.
The present invention in order to hot blast from air-out connecting tube 12 blow into baking oven inner bag 15 reach each tuyere air-out wind speed it is basic
It is identical, therefore baking oven inner bag 15 is designed to reducing, i.e. sectional area tapers into from top to bottom.
Hot blast, into baking oven housing 14, in the presence of exhaust fan 1, will dry after the tuyere blowout of baking oven inner bag 15
The hot blast of tank shell 14 suctions out, because gas of the return air airduct 17 below lower section, baking oven housing 14 can be preferentially discharged, baking oven
The hot blast of the top of housing 14 is not easy to be discharged, and heat is assembled above baking oven housing 14, and the time, which has been grown, can produce black smoke；Cause
This, devises deep bead 16 in return air airduct 17 and the junction of baking oven housing 14, is offered on deep bead 16 from top to bottom successively
The hole of reduction, increase the windage of the lower section of baking oven housing 14 with this, be discharged so as to increase the gas above housing, make heat not
It can assemble above baking oven housing 14.
Claims (9)
1. a kind of box-type hot-air drying unit, it is characterised in that including hot blast casing (6) and baking oven (24), the hot bellows
Burner (3) is installed, middle part is provided with combustion barrel (4), burner (3) connection in the hot blast casing (6) on body (6)
The combustion barrel (4), hot blast casing (6) lower sidewall, which is fixed, is communicated with air draft airduct (2), and the air draft airduct (2) is another
One end is connected with exhaust fan (1), and hot blast casing (6) side wall upper part is also equipped with circulating fan (9), the circulating fan
(9) circulating fan air outlet (11) is provided with, the circulating fan air outlet (11) is located at hot blast casing (6) inside, described
Circulating fan air outlet (11) is connected with air-out connection airduct (12), and the other end of the air-out connection airduct (12) extends to institute
State hot blast casing (6) outside and connect the top of baking oven (24), hot blast casing (6) lower sidewall also fixation is communicated with return air
Airduct (17), the return air airduct (17) are connected airduct (12) with air-out and are located at hot blast casing (6) homonymy, the return air airduct
(17) bottom of other end connection baking oven (24), the bottom surface of the hot blast casing (6) is communicated with fresh wind tube (20), along the heat
Wind box (6) inwall fixed setting combuster dividing plate (22), the combustion chamber dividing plate (22) are located at below combustion barrel (4), institute
State and blast pipe (26) is communicated with combustion chamber dividing plate (22), blast pipe (26) other end connection combustion barrel (4).
2. a kind of box-type hot-air drying unit according to claim 1, it is characterised in that the baking oven (24) includes drying
Tank shell (14) and baking oven inner bag (15), heat-insulation layer is installed between the baking oven housing (14) and baking oven inner bag (15), it is described
Air-out connection airduct (12) connects with baking oven inner bag (15), and the return air airduct (17) connects with baking oven housing (14), the baking
Case inner bag (15) offers multiple tuyeres (25) successively from top to bottom.
3. a kind of box-type hot-air drying unit according to claim 1, it is characterised in that the combustion barrel (4) is remote
One end of burner (3) is provided with gear fire cover (5), and fire resisting shield (8), institute are further fixed on hot blast casing (6) madial wall
Fire resisting shield (8) is stated to be located above combustion barrel (4).
4. a kind of box-type hot-air drying unit according to claim 1, it is characterised in that pacify on the fresh wind tube (20)
Equipped with fresh-air volume adjuster (19), air draft blast regulator (23) is installed on the air draft airduct (2).
5. a kind of box-type hot-air drying unit according to claim 1, it is characterised in that the hot blast casing (6) sets
Bilayer is set to, heat-insulation layer (7) is installed between two layers.
A kind of 6. box-type hot-air drying unit according to claim 1, it is characterised in that the air-out connecting tube (12)
On thermocouple (13) is installed.
7. a kind of box-type hot-air drying unit according to claim 1, it is characterised in that the hot blast casing (6)
Bottom surface is further opened with osculum (21).
8. a kind of box-type hot-air drying unit according to claim 2, it is characterised in that the baking oven inner bag (15)
Width tapers into successively from top to bottom.
A kind of 9. box-type hot-air drying unit according to claim 8, it is characterised in that the return air airduct (17) with
Baking oven housing (14) junction is provided with deep bead (16), and the deep bead (6) is fixed on baking oven housing (14), described to keep out the wind
Hole is offered on plate (16), the hole increases successively from down to up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710670770.0A CN107388745A (en) | 2017-08-08 | 2017-08-08 | A kind of box-type hot-air drying unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710670770.0A CN107388745A (en) | 2017-08-08 | 2017-08-08 | A kind of box-type hot-air drying unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107388745A true CN107388745A (en) | 2017-11-24 |
Family
ID=60355017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710670770.0A Pending CN107388745A (en) | 2017-08-08 | 2017-08-08 | A kind of box-type hot-air drying unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107388745A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108480162A (en) * | 2018-05-21 | 2018-09-04 | 深圳市新嘉拓自动化技术有限公司 | A kind of split type coating machine drying oven of modularization |
| CN108534484A (en) * | 2018-05-25 | 2018-09-14 | 广东壹晨科技有限公司 | A kind of box type hot air drying unit |
| CN109532223A (en) * | 2018-12-24 | 2019-03-29 | 中山松德印刷机械有限公司 | A kind of energy-saving and emission-reduction drying system |
| CN109945624A (en) * | 2019-03-18 | 2019-06-28 | 南京师范大学镇江创新发展研究院 | A kind of traditional Chinese medicinal material drying device |
| CN110561904A (en) * | 2019-09-11 | 2019-12-13 | 浙江美格机械股份有限公司 | Hot air negative pressure circulation drying system |
| CN112297615A (en) * | 2019-07-26 | 2021-02-02 | 杭州宏华数码科技股份有限公司 | Spray printing medium drying device |
| CN113720116A (en) * | 2021-09-15 | 2021-11-30 | 浙江永杰铝业有限公司 | Drying box |
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| CN102350868A (en) * | 2011-08-08 | 2012-02-15 | 华南理工大学 | Drying box for web press |
| CN204115444U (en) * | 2014-09-16 | 2015-01-21 | 中国汽车工业工程有限公司 | A kind of combustion gas direct-type heat wind circulation heating equipment |
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| CN106871599A (en) * | 2017-03-31 | 2017-06-20 | 湖南夏巍齐食用菌开发有限公司 | A kind of heat pump drying device |
| CN207481436U (en) * | 2017-08-08 | 2018-06-12 | 西安昱杰机电设备有限公司 | A kind of box type heat air dryer |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108480162A (en) * | 2018-05-21 | 2018-09-04 | 深圳市新嘉拓自动化技术有限公司 | A kind of split type coating machine drying oven of modularization |
| CN108534484A (en) * | 2018-05-25 | 2018-09-14 | 广东壹晨科技有限公司 | A kind of box type hot air drying unit |
| CN109532223A (en) * | 2018-12-24 | 2019-03-29 | 中山松德印刷机械有限公司 | A kind of energy-saving and emission-reduction drying system |
| CN109945624A (en) * | 2019-03-18 | 2019-06-28 | 南京师范大学镇江创新发展研究院 | A kind of traditional Chinese medicinal material drying device |
| CN109945624B (en) * | 2019-03-18 | 2024-05-24 | 南京师范大学镇江创新发展研究院 | Chinese-medicinal material drying device |
| CN112297615A (en) * | 2019-07-26 | 2021-02-02 | 杭州宏华数码科技股份有限公司 | Spray printing medium drying device |
| CN112297615B (en) * | 2019-07-26 | 2023-08-01 | 杭州宏华数码科技股份有限公司 | Spray printing medium drying device |
| CN110561904A (en) * | 2019-09-11 | 2019-12-13 | 浙江美格机械股份有限公司 | Hot air negative pressure circulation drying system |
| CN113720116A (en) * | 2021-09-15 | 2021-11-30 | 浙江永杰铝业有限公司 | Drying box |
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Application publication date: 20171124 |
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