CN103976455A - Air drying type food dryer - Google Patents
Air drying type food dryer Download PDFInfo
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- CN103976455A CN103976455A CN201410187317.0A CN201410187317A CN103976455A CN 103976455 A CN103976455 A CN 103976455A CN 201410187317 A CN201410187317 A CN 201410187317A CN 103976455 A CN103976455 A CN 103976455A
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/40—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by drying or kilning; Subsequent reconstitution
Abstract
The invention discloses a food dryer, especially to an air drying type food dryer. According to the invention, an air-flow chamber is formed in the inner cavity of a dryer main body; a metal flow deflector covered by a silica gel heating membrane is arranged in the air-flow chamber, and the other surface of the silica gel heating membrane is covered by a metal heat-conducting plate. The air drying type food dryer provided by the invention overcomes the related technical problems of a poor drying effect and long drying time air drying type food drying. The silica gel heating membrane can effectively convert electric energy into heat energy under an energized working condition and then transfer heat to the metal flow deflector and the metal heat-conducting plate; thus, when external air is entering the air-flow chamber along the metal flow deflector under the active force of a side-flow blower, indrawn air can always contact with the metal flow deflector and the metal heat-conducting plate, so the indrawn air can be uniformly heated before entering a food drying chamber and the drying effect of such air flow on food in the drying chamber is improved.
Description
Technical field
The present invention relates to a kind of food drying machine, particularly a kind of air drying type food drying machine.
Background technology
General air drying type food drying machine, mainly that electrothermal tube or heating wire are placed in to the one-sided of dryer, then pass through effluent air blast by the air intake dryer outside dryer, form one air-flow, this strand of inhaling air fails to be convened for lack of a quorum by the electrothermal tube in above-mentioned or heating wire, and draw in a flash what pass through the heat being sent by electrothermal tube or heating wire, then this strand just blows to the air-flow of certain heat the food such as vegetables, fruit being placed on drying tray again, this food is dried, finally this burst of air-flow discharge of the air outlet from dryer again.And above-mentioned existing air drying type food drying machine, after the long-term service test in market, home and abroad, finds at least to have following shortcoming:
1, drying effect is poor: because the heating area of electrothermal tube or heating wire is little, in the time that one air-flow being sucked by effluent air blast passes through, heat on above-mentioned middle electrothermal tube or heating wire only can be delivered to join with it and touch in the air being close, thereby shines into the cold and hot lack of homogeneity of whole burst of air-flow entirety.Be placed on the food such as fruit, vegetables on drying tray (food rack) for a long time under the air-flow drying function of above-mentioned one cold and hot lack of homogeneity like this, the oven dry degree varies that it will certainly cause food, has a strong impact on the drying effect of dryer;
2, drying time is long, is because the heat on above-mentioned middle electrothermal tube or heating wire only can be delivered in the air being in contact with it and be close equally, thereby shines into the cold and hot lack of homogeneity of whole strand of air-flow.Therefore, the air-flow in above-mentioned is low to the drying efficiency of the food such as vegetables, fruit within the unit interval, thereby has extended the drying time of the food such as vegetables, fruit.
In sum, we are necessary the air drying type food drying machine in existing to carry out further technological improvement.
Summary of the invention
The object of the invention is provides a kind of good drying effect to the food such as vegetables, fruit in order to solve above-mentioned the deficiencies in the prior art, and the high air drying type food drying machine of drying efficiency.
To achieve these goals, a kind of air drying type food drying machine that the present invention is designed, comprise dryer main body, effluent air blast and food rack, wherein in above-mentioned dryer main body, offer air inlet, in the inner chamber of above-mentioned dryer main body every having established ventilating board, this inner chamber is separated into food by ventilating board and dries the gentle stream chamber of chamber, the air inlet port of the corresponding air-flow chamber of air inlet in above-mentioned, effluent air blast in above-mentioned is between above-mentioned air inlet and air inlet port, it is indoor that food rack row in above-mentioned is located at food drying cavity, on described ventilating board, corresponding each food rack is equipped with a thermal wind exhausting import, in above-mentioned air-flow chamber, be provided with metal deflector, there is silica gel heating film in the surface coverage of this metal deflector, on the another side of this silica gel heating film, be coated with metal guide hot plate.
Silica gel heating film in above-mentioned is a kind of existing electric heating material, belongs to those skilled in the art's routine techniques knowledge.Therefore, applicant is in this introduction with regard to no longer explaining in detail to the silica gel heating film in above-mentioned.
An air-flow chamber is provided in above-mentioned provided air drying type food drying machine, the metal deflector that is coated with silica gel heating film is set in this air-flow chamber, the heat-conducting plate of covering metal material on the another side of silica gel heating film simultaneously, silica gel heating film in above-mentioned can effectively be converted into heat energy by electric energy under energising duty, and then heat passes to metal deflector and metal guide hot plate.Therefore, when outside air enters into this process of air-flow chamber under the active force of effluent air blast along metal deflector, the air being inhaled into can remain and contact with metal deflector and metal guide hot plate, the air being inhaled into can be heated equably before entering into food oven dry chamber, promote the drying effect of this strand of air-flow to the indoor food of drying cavity.Meanwhile, under the prerequisite at identical flow process, identical flow velocity, farthest ensure that the above-mentioned air that is inhaled into can fully contact with metal deflector and metal guide hot plate, transmit thereby carry out effectively heat.Metal deflector in above-mentioned, the gentle stream chamber of metal guide hot plate three's width are consistent, and silica gel heating film on a side of this metal deflector is all standing shape.
Certainly in practical structures design, can also be by above and intersect vertically with a ventilating board median septum be set in the inner chamber of dryer main body in above-mentioned air drying type food drying machine, thereby the inner chamber of dryer main body is separated into the multiple sub-inner chamber of relative sealing, then the indoor all rows of the food drying cavity in every sub-inner chamber establish food rack, and the silica gel heating membrane module and the effluent air blast that are made up of metal deflector, silica gel heating film and metal guide hot plate are all set in air-flow chamber.Thereby make a typhoon dry type food drying machine can form at least two regions that work independently that can set different bake out temperatures and drying time.
As preferably, in dryer main body in above-mentioned, be provided with top seat board, metal deflector one end in above-mentioned is bending-like, and be connected on the bottom surface of top seat board, ventilating board in above-mentioned is longitudinally connected on the bending section of metal deflector, the inner chamber of above-mentioned middle dryer main body is separated into food laterally arranged side by side by this ventilating board and dries the gentle stream chamber of chamber, the other end of above-mentioned metal deflector extends perpendicularly to the bottom of air-flow chamber, and and the bottom surface of air-flow chamber between form an air-flow port, food rack in above-mentioned is arranged vertically indoor at food drying cavity, and an end of each food rack is all directly fixing with ventilating board, the thermal wind exhausting import that on this ventilating board, each food rack is corresponding be all positioned at this food rack and ventilating board junction directly over.In above-mentioned preferred version, silica gel heating film can effectively be converted into heat energy by electric energy under energising duty, and then heat passes to metal deflector and metal guide hot plate, the air entering from the air inlet port of air-flow chamber first drops to the bottom of air-flow chamber at leisure along metal deflector, in this process, this strand of air can effectively contact with metal guide hot plate, thereby fully carry out heat exchange, then this strand of air-flow is again by the air-flow port between metal deflector and air-flow chamber bottom surface, now above-mentioned this strand air-flow will divide the hot blast import from ventilating board below gradually start slowly to flow into food drying cavity indoor, but the air that does not still also flow into food oven dry chamber for those still can contact and carry out sufficient heat exchange with metal deflector.Therefore, the air being sucked by effluent air blast in above-mentioned air drying type food drying machine can be heated fully to be flow in food oven dry chamber again, promotes drying effect and the drying efficiency of food drying machine.
As further technological improvement, the indoor metal base plate that is also provided with of food drying cavity in above-mentioned, and be arranged on food and dried the bottom of chamber, in this metal base plate back side is coated with silica gel heating film, is above-mentioned, be positioned on the food rack of this metal base plate top and be equipped with vertical through hole.Bottom silica gel heating film in above-mentioned can carry out post bake to the indoor bottom gas of food drying cavity, after raising, the temperature of this portion gas will form one ascending air, simultaneously food dry the bottom of chamber will corresponding formation negative pressuren zone, corresponding cold air will form one down current this negative pressuren zone is effectively supplemented, finally make that food drying cavity is indoor can form an inner air circulation, this inner air circulation carries out secondary drying effect to the indoor food of drying cavity, further improve drying effect, promote the drying efficiency of food drying machine.
In order to filter the air that enters air-flow chamber, ensure to enter food and dry the air quality of chamber, avoid occurring quality of the air influence food mouthfeel to be dried and/or quality, on the air inlet of above-mentioned dryer main body also every being provided with airstrainer.
A kind of air drying type food drying machine that the present invention obtains, compare heater strip of the prior art or heating tube of its metallic plate due to middle sandwiched silicone rubber heating film possesses larger heating area.Therefore, in the time that one air-flow being sucked by effluent air blast passes through, between above-mentioned middle metallic plate and this strand of air, can carry out heat fully transmits, thereby make the cold and hot good uniformity of whole strand of air-flow, finally promote the drying effect of air-flow to food, and promote the drying efficiency of whole typhoon dry type food drying machine.Simultaneously the present invention also makes a typhoon dry type food drying machine can realize simultaneously with different temperatures and/or different used time length, food to be dried, make air drying type food drying machine can meet the personalized instructions for use of people to daily household electrical appliance in modern high-quality life.
Brief description of the drawings
Fig. 1 is the section structure schematic diagram of a kind of air drying type food drying machine that provides in embodiment 1;
Fig. 2 is the local enlarged diagram at A place in Fig. 1;
Fig. 3 is the structure schematic diagram of a kind of air drying type food drying machine that provides in embodiment 1;
Fig. 4 is the Facad structure schematic diagram of a kind of air drying type food drying machine that provides in embodiment 1;
Fig. 5 is the top surface structure schematic diagram of a kind of air drying type food drying machine that provides in embodiment 1;
Fig. 6 is the structural representation of embodiment 2 a kind of air drying type food drying machine that provides;
Fig. 7 is the structural representation of embodiment 3 a kind of air drying type food drying machine that provides;
Fig. 8 is the structural representation of embodiment 4 a kind of air drying type food drying machine that provides.
In figure: dryer main body 1, main body frame 1-1, side plate 1-2, bottom 1-3, top cover 1-4, food is dried chamber door body 1-5, air inlet 1-6, air outlet 1-7, PCB control circuit part 2, effluent air blast 3, upper side 3-1, downside 3-2, food rack 4, vertical through hole 4-1, top seat board 5, ventilating board 6, hot blast import 6-1, accommodating chamber 7, control interface plate 8, food is dried chamber 9, air-flow chamber 10, air inlet port 10-1, metal deflector 11, bending section 11-1, silica gel heating film 12, metal guide hot plate 13, air-flow port 14, metal base plate 15, silica gel heating membrane module 16, median septum 17, airstrainer 18.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.
Embodiment 1:
As Figure 1-5, a kind of air drying type food drying machine providing in the present embodiment, comprise dryer main body 1, PCB control circuit part 2, two effluent air blasts 3 and food rack 4, wherein above-mentioned dryer main body 1 is mainly by main body frame 1-1, be arranged on the side plate 1-2 on aforementioned body framework 1-1, top cover 1-4 and bottom 1-3 and the food that is arranged on aforementioned body framework 1-1 and can realizes folding are dried chamber door body 1-5 composition, on above-mentioned top cover 1-4, offer air inlet 1-6, top seat board 5 and ventilating board 6 are installed in the inner chamber of above-mentioned dryer main body 1, this top seat board 5 be positioned at above-mentioned top cover 1-4 under, and form an accommodating chamber 7 between the two, install a control interface plate 8 in a side of this container cavity, this control interface plate 8 be positioned at food dry chamber door body 1-5 directly over, PCB control circuit part 2 in above-mentioned and two effluent air blasts 3 are all positioned at this accommodating chamber 7, wherein PCB control circuit part 2 is connected with control interface plate 8 signals of telecommunication, the upper side 3-1 of these two effluent air blasts 3 is the air inlet 1-6 on top cover 1-4 all, its downside 3-2 all runs through the bottom of top seat board 5, the inner chamber of above-mentioned dryer main body 1 is become food to dry chamber 9 and air-flow chamber 10 by ventilating board 6 by longitudinal subdivision, this food is dried chamber 9 and is provided with air outlet 1-7, this air outlet 1-7 is positioned at food dries chamber door body 1-5 and the centre of controlling interface plate 8, the wherein downside 3-2 of corresponding above-mentioned two the effluent air blasts 3 of the air inlet port 10-1 of air-flow chamber 10, in above-mentioned air-flow chamber 10, be provided with metal deflector 11, one end of this metal deflector 11 is bending-like, and be connected on the bottom surface of top seat board 5, its other end extends perpendicularly to the bottom of air-flow chamber 10, and and the bottom surface of air-flow chamber 10 between form an air-flow port 14, and on the surface of this metal deflector 11, be coated with silica gel heating film 12, on the another side of this silica gel heating film 12, be coated with metal guide hot plate 13, and in identical flow process, under the prerequisite of identical flow velocity, farthest ensure that the above-mentioned air that is inhaled into can contact with metal deflector 11 and metal guide hot plate 13 fully, thereby carrying out effectively heat transmits, metal deflector 11 in above-mentioned, metal guide hot plate 13 and air-flow chamber 10 threes' width is consistent, and the silica gel heating film 12 on a side of this metal deflector 11 is all standing shape, both heat-conducting areas of metal guide hot plate 13 and metal deflector 11 are consistent.Ventilating board 6 in above-mentioned is longitudinally connected on the bending section 11-1 of metal deflector 11, food rack 4 in above-mentioned is arranged vertically in food is dried chamber 9, and an end of each food rack 4 is all directly fixed on ventilating board 6, on described ventilating board 6, corresponding each food rack 4 is equipped with a thermal wind exhausting import 6-1, and every thermal wind exhausting import 6-1 is all positioned at the top of its corresponding food rack 4.
An air-flow chamber 10 is provided in above-mentioned provided air drying type food drying machine, be coated with the metal deflector 11 of silica gel heating film 12 in the interior setting of this air-flow chamber 10, the heat-conducting plate of covering metal material on the another side of silica gel heating film 12 simultaneously, silica gel heating film 12 in above-mentioned can effectively be converted into heat energy by electric energy under energising duty, and then heat passes to metal deflector 11 and metal guide hot plate 13.Therefore, when outside air enters into this process of air-flow chamber 10 under the active force of effluent air blast 3 along metal deflector 11, the air being inhaled into can remain and contact with metal deflector 11 and metal guide hot plate 13, the air being inhaled into can be heated equably before entering into food oven dry chamber 9, promote the drying effect of this strand of air-flow to the indoor food of drying cavity.
Embodiment 2:
As shown in Figure 6, a kind of air drying type food drying machine providing in the present embodiment, a median septum 17 intersecting vertically with ventilating board 6 has also been installed in the inner chamber of its dryer main body 1, thereby the inner chamber of dryer main body 1 is separated into two sub-inner chambers of relative sealing, then the interior all rows of food oven dry chamber 9 in every sub-inner chamber establish food rack 4, the interior silica gel heating membrane module 16 and the effluent air blast 3 that are made up of metal deflector 11, silica gel heating film 12 and metal guide hot plate 13 of all arranging of air-flow chamber 10.Thereby make a typhoon dry type food drying machine form two regions that work independently that can set different bake out temperatures and drying time.
Embodiment 3:
A kind of air drying type food drying machine providing in the present embodiment, its large body mechanism is consistent with embodiment 1, as shown in Figure 7, but the food in the present embodiment is dried in chamber 9 and is also provided with metal base plate 15, and be arranged on the bottom of food oven dry chamber 9, in these metal base plate 15 back sides are coated with silica gel heating film 12, are above-mentioned, be positioned on the food rack 4 of these metal base plate 15 tops and be equipped with vertical through hole 4-1.The bottom gas that bottom silica gel heating film 12 in above-mentioned can be dried in chamber 9 food carries out post bake, after raising, the temperature of this portion gas will form one ascending air, simultaneously food dry the bottom of chamber 9 will corresponding formation negative pressuren zone, corresponding cold air will form one down current this negative pressuren zone is supplemented, finally make food dry in chamber 9 and can form an inner air circulation, this inner air circulation carries out secondary drying effect to the indoor food of drying cavity, further improve and dried effect effect, promote the drying efficiency of food drying machine.
Embodiment 4:
A kind of air drying type food drying machine providing in the present embodiment, its general structure is consistent with embodiment 2, as shown in Figure 8, but in order to filter the air that enters air-flow chamber 10, guarantee enters the air quality of food oven dry chamber 9, avoid occurring quality of the air influence food mouthfeel to be dried and/or quality, on the air inlet 1-6 of above-mentioned dryer main body 1 also every being provided with airstrainer 18.
Claims (5)
1. an air drying type food drying machine, comprise dryer main body (1), effluent air blast (3) and food rack (4), wherein in above-mentioned dryer main body (1), offer air inlet (1-6), it is characterized in that in the inner chamber of above-mentioned dryer main body (1) every having established ventilating board (6), this inner chamber is separated into food by ventilating board (6) and dries chamber (9) and air-flow chamber (10), the air inlet port (10-1) of the corresponding air-flow chamber of air inlet (1-6) (10) in above-mentioned, effluent air blast (3) in above-mentioned is positioned between above-mentioned air inlet (1-6) and air inlet port (10-1), food rack (4) row in above-mentioned is located at food and dries in chamber (9), the upper corresponding each food rack (4) of described ventilating board (6) is equipped with a thermal wind exhausting import (6-1), in above-mentioned air-flow chamber (10), be provided with metal deflector (11), there is silica gel heating film (12) in the surface coverage of this metal deflector (11), on the another side of this silica gel heating film (12), be coated with metal guide hot plate (13).
2. air drying type food drying machine according to claim 1, the width that it is characterized in that metal deflector (11), metal guide hot plate (13) and air-flow chamber (10) three in above-mentioned is consistent, and silica gel heating film (12) on a side of this metal deflector (11) is all standing shape.
3. air drying type food drying machine according to claim 1 and 2, it is characterized in that being provided with top seat board (5) in the dryer main body (1) in above-mentioned, metal deflector (11) one ends in above-mentioned are bending-like, and be connected on the bottom surface of top seat board (5), ventilating board (6) in above-mentioned is longitudinally connected on the bending section (11-1) of metal deflector (11), the inner chamber of above-mentioned middle dryer main body (1) is separated into food laterally arranged side by side by this ventilating board (6) and dries chamber (9) and air-flow chamber (10), the other end of above-mentioned metal deflector (11) extends perpendicularly to the bottom of air-flow chamber (10), and and the bottom surface of air-flow chamber (10) between form an air-flow port (14), food rack (4) in above-mentioned is arranged vertically in food is dried chamber (9), and an end of each food rack (4) is all directly fixing with ventilating board (6), one thermal wind exhausting import (6-1) corresponding to the upper each food rack (4) of this ventilating board (6) is all positioned at directly over this food rack (4) and both junctions of ventilating board (6).
4. air drying type food drying machine according to claim 3, it is characterized in that food in above-mentioned is dried in chamber (9) is also provided with metal base plate (15), and be arranged on the bottom of food oven dry chamber (9), in this metal base plate (15) back side is coated with silica gel heating film (12), is above-mentioned, be positioned on the food rack (4) of this metal base plate (15) top and be equipped with vertical through hole (4-1).
5. air drying type food drying machine according to claim 4, is characterized in that on the air inlet (1-6) of above-mentioned dryer main body (1) also every being provided with airstrainer (18).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410187317.0A CN103976455B (en) | 2014-05-06 | 2014-05-06 | A kind of air drying type food drying machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410187317.0A CN103976455B (en) | 2014-05-06 | 2014-05-06 | A kind of air drying type food drying machine |
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| CN103976455A true CN103976455A (en) | 2014-08-13 |
| CN103976455B CN103976455B (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105146677A (en) * | 2015-08-31 | 2015-12-16 | 小米科技有限责任公司 | Method and device for controlling dryer |
| CN111854352A (en) * | 2020-07-28 | 2020-10-30 | 沈阳和世泰通用钛业有限公司 | Drying device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN87201262U (en) * | 1987-04-18 | 1988-01-27 | 上海市能源研究所 | A diversion heat wind oven with split-wind plate |
| CN2194492Y (en) * | 1994-04-15 | 1995-04-12 | 杨山虎 | Dring apparatus |
| CN201624120U (en) * | 2010-02-08 | 2010-11-10 | 潍坊乐达食品机械有限公司 | Cross-blast type food hot-air drying device |
| CN202350472U (en) * | 2011-11-25 | 2012-07-25 | 天津市国民制药机械有限公司 | Hot air circulation device |
| CN102612177A (en) * | 2012-03-29 | 2012-07-25 | 苏州苏海亚电气有限公司 | Silicon-rubber heater |
| CN102645095A (en) * | 2012-05-14 | 2012-08-22 | 西安圣华电子工程有限责任公司 | Intelligent electric heating drier |
| CN203789069U (en) * | 2014-05-06 | 2014-08-27 | 宁波凯普电子有限公司 | Air drying type food dryer |
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2014
- 2014-05-06 CN CN201410187317.0A patent/CN103976455B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87201262U (en) * | 1987-04-18 | 1988-01-27 | 上海市能源研究所 | A diversion heat wind oven with split-wind plate |
| CN2194492Y (en) * | 1994-04-15 | 1995-04-12 | 杨山虎 | Dring apparatus |
| CN201624120U (en) * | 2010-02-08 | 2010-11-10 | 潍坊乐达食品机械有限公司 | Cross-blast type food hot-air drying device |
| CN202350472U (en) * | 2011-11-25 | 2012-07-25 | 天津市国民制药机械有限公司 | Hot air circulation device |
| CN102612177A (en) * | 2012-03-29 | 2012-07-25 | 苏州苏海亚电气有限公司 | Silicon-rubber heater |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105146677A (en) * | 2015-08-31 | 2015-12-16 | 小米科技有限责任公司 | Method and device for controlling dryer |
| CN111854352A (en) * | 2020-07-28 | 2020-10-30 | 沈阳和世泰通用钛业有限公司 | Drying device |
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| Publication number | Publication date |
|---|---|
| CN103976455B (en) | 2015-12-30 |
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