JPH03156280A - Microwave drier - Google Patents
Microwave drierInfo
- Publication number
- JPH03156280A JPH03156280A JP29280489A JP29280489A JPH03156280A JP H03156280 A JPH03156280 A JP H03156280A JP 29280489 A JP29280489 A JP 29280489A JP 29280489 A JP29280489 A JP 29280489A JP H03156280 A JPH03156280 A JP H03156280A
- Authority
- JP
- Japan
- Prior art keywords
- dried
- blades
- drying
- stirring blade
- rotating
- 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.)
- Granted
Links
- 238000001035 drying Methods 0.000 claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 33
- 238000003756 stirring Methods 0.000 claims description 35
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241000219310 Beta vulgaris subsp. vulgaris Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 235000021536 Sugar beet Nutrition 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000000825 pharmaceutical preparation Substances 0.000 description 1
- 229940127557 pharmaceutical product Drugs 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
Landscapes
- Drying Of Solid Materials (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Constitution Of High-Frequency Heating (AREA)
Abstract
Description
【発明の詳細な説明】 (イ)産業上の利用分野 本発明はマイクロ波乾燥装置に関するものである。[Detailed description of the invention] (b) Industrial application fields The present invention relates to a microwave drying device.
(ロ)従来の技術
従来は、実公平1−21518号公報に示されているよ
うに撹拌翼を回転させながら、加熱室内に供給された被
乾燥物にマイクロ波を照射して乾燥させていた。(b) Conventional technology Conventionally, as shown in Utility Model Publication No. 1-21518, the material to be dried supplied into a heating chamber was dried by irradiating microwaves while rotating a stirring blade. .
(ハ)発明が解決しようとする問題点
従来の技術にあっては、甜脂ペレット、米、薬品粉粒物
等の被乾燥物を乾燥する際、この被乾燥物が撹拌翼と加
熱室内の壁との隙間に入り込んだときのことは何ら考慮
されていないので、もし撹拌翼の回転中に入り込んだ場
合、撹拌翼がスムーズに回転しなくなり、回転を止めて
しまう恐れがある。(c) Problems to be solved by the invention In the conventional technology, when drying materials such as sugar beet pellets, rice, and powdered pharmaceutical products, the materials to be dried are mixed between the stirring blade and the heating chamber. There is no consideration given to what would happen if it got into the gap between the stirring blade and the wall, so if it got into the stirring blade while it was rotating, the stirring blade would not rotate smoothly and there is a risk that it would stop rotating.
本発明は、斯る問題点に鑑み、解決するものである。The present invention is intended to solve these problems.
(ニ)課題を解決するための手段
本発明のマイクロ波乾燥装置は、粒状又は粉状被乾燥物
が供給される乾燥室と、該乾燥室に上記被乾燥物をマイ
クロ波乾燥するためのマイクロ波供給手段と、上記乾燥
室内に配置されて上記被乾燥物を撹拌する撹拌手段と、
該撹拌手段を回転駆動させ、かつ撹拌手段が上下に動け
るように接続されている駆動手段から構成されるもので
ある。(d) Means for Solving the Problems The microwave drying apparatus of the present invention includes a drying chamber into which a granular or powdery material to be dried is supplied, and a microwave for microwave drying the material to be dried in the drying chamber. a wave supply means; a stirring means disposed in the drying chamber to stir the material to be dried;
The stirring means is constituted by a drive means which is connected to rotate the stirring means so that the stirring means can move up and down.
(ホ)作用
撹拌翼で被乾燥物を撹拌しながら乾燥しているときに、
乾燥室内壁と撹拌翼との間に被乾燥物が入り込んでも撹
拌翼が上下に動き、被乾燥物に引っ掛からず、スムーズ
に回転するものである。(E) While drying the material to be dried while stirring it with the working stirring blade,
Even if the material to be dried gets caught between the wall of the drying chamber and the stirring blade, the stirring blade moves up and down and rotates smoothly without being caught by the material to be dried.
(へ)実施例
本発明のマイクロ波乾燥装置(1)を、第1図に基づい
て説明すると、貯Wl(6)内に貯溜されている樹脂ペ
レフト、米、薬品粉粒物などの被乾燥物(7)は、口及
引ブロワ(5)の駆動により、ポペット弁(8)を介し
て、ブロワ(5)の吸引作用により供給パイプ(4)か
ら円筒状乾燥室(2)内に、レベルセンサー(20)で
一定値を検知するまで供給される。そして、撹拌手段と
なる撹拌翼(3)を回しながら、マグネトロン(9)か
らマイクロ波を、導波管(10)を介して乾燥室(2)
内に照射し、サーミスタ(21)で被乾燥物(7)の温
度を検知して温度制御し、被乾燥物(7)を乾燥させる
。その後、ピストン型排出弁(11)を開き、排出パイ
プ(12)を介して予備室(13)に排出し、成形機へ
の排出を待機するものである。(f) Example The microwave drying apparatus (1) of the present invention will be explained based on FIG. The material (7) is fed into the cylindrical drying chamber (2) from the supply pipe (4) by the suction action of the blower (5) through the poppet valve (8) by the drive of the mouth-and-pull blower (5). It is supplied until a constant value is detected by the level sensor (20). Then, while rotating the stirring blade (3) serving as the stirring means, microwaves are transmitted from the magnetron (9) to the drying chamber (2) via the waveguide (10).
The temperature of the object to be dried (7) is detected by the thermistor (21), the temperature is controlled, and the object to be dried (7) is dried. Thereafter, the piston-type discharge valve (11) is opened, and the discharge is discharged into the preparatory chamber (13) via the discharge pipe (12), waiting for discharge to the molding machine.
次に、本発明の要旨部の構成を第2図、第3図及び第4
図に基づいて説明する。撹拌翼(3)を固着した軸(1
4)は乾燥室(2)の底面の略中央の貫通穴から下方に
突出され、乾燥室(2)の外底面に固着した軸受(15
)にて回転並びに上下動自在に枢着され、さらに軸(1
4)下端は継手ケース(17)内に挿入されている。Next, the structure of the gist of the present invention is shown in FIGS. 2, 3, and 4.
This will be explained based on the diagram. The shaft (1) to which the stirring blade (3) is fixed
4) is a bearing (15) that protrudes downward from a through hole approximately in the center of the bottom of the drying chamber (2) and is fixed to the outer bottom of the drying chamber (2).
) for rotation and vertical movement, and a shaft (1
4) The lower end is inserted into the joint case (17).
継手ケース(17)内において、駆動源となる電動機(
16)の回転軸(22)が挿入され、この回転軸(22
)には軸継手(23)が固着されている。この軸継手(
23)は前記撹拌翼(3)の軸(14)が挿入される縦
穴(24)とこの縦穴(24)に周側から達する左右の
一対の縦方向スリ7)(18)が設けられている。Inside the joint case (17), an electric motor (
16) is inserted, and this rotation shaft (22) is inserted.
) is fixed with a shaft coupling (23). This shaft coupling (
23) is provided with a vertical hole (24) into which the shaft (14) of the stirring blade (3) is inserted, and a pair of left and right vertical slots 7) (18) that reach this vertical hole (24) from the circumferential side. .
そして、撹拌翼の軸(14)は、この軸継手(23)の
縦穴(24)に挿入され、その状態でスリット(18)
と、軸(14)の穴(25)にピン(19)を貫通させ
て軸継手(23)と軸(14)を連結し電動機(16)
の回転力が撹拌翼(3)に伝達される。しかも軸(14
)を軸受けに対して上下動可能にし、スリ・ノド(18
)を貫通したピン(19)により軸(14)と継手ケー
ス(23)に連結したので、軸(14)はピン(19)
がスリット(18)の上下幅の動作範囲内で上下移動可
能となる。Then, the shaft (14) of the stirring blade is inserted into the vertical hole (24) of this shaft joint (23), and in this state, the shaft (14) is inserted into the slit (18).
Then, the pin (19) is passed through the hole (25) of the shaft (14) to connect the shaft coupling (23) and the shaft (14), and the electric motor (16) is connected.
The rotational force is transmitted to the stirring blade (3). Moreover, the axis (14
) can be moved up and down relative to the bearing, and the slotted throat (18
) is connected to the shaft (14) and the joint case (23) by the pin (19) that passes through the shaft (14).
can move vertically within the operating range of the vertical width of the slit (18).
さて、この動作を以下に説明する。Now, this operation will be explained below.
被乾燥物(7)が乾燥室(2)内に供給される前の撹拌
N(3)は自重により第2図のように下方に位置してい
る。この状態で、撹拌翼(3)を回転させながら被乾燥
物(7)を供給する。これは、被乾燥物(7)が片寄ら
ずに、平坦に堆積させるためである。この時、排出弁(
11)は閉じられている。そして、一定量の被乾燥物(
7)が供給されれば、マイクロ波を照射し乾燥を開始す
るものである。この乾燥のときにも撹拌jl(3)を回
転させて、底近くの被乾燥物(7)から発生する水分を
上昇させたり、被乾燥物(7)への加熱むらを改善し万
遍なく乾燥されるようにしている。この供給時や乾燥時
に、回転している撹拌翼(3)と乾燥室(2)の内壁と
の隙間に被乾燥物(7)が挟まれたとき、この被乾燥物
(7)の上に撹拌M(3)乗り上げるようになり、撹拌
翼(3)は回転しながら第3図の様に上方向に動き、被
乾燥物(7)を乗り越える。そして、撹拌翼(3)の自
重により、被乾燥物(7)を押し退けながら第2図の状
態に戻り回転を続ける。The agitation N (3) before the material to be dried (7) is supplied into the drying chamber (2) is positioned downward as shown in FIG. 2 due to its own weight. In this state, the material to be dried (7) is supplied while rotating the stirring blade (3). This is to allow the material to be dried (7) to be deposited flatly without shifting. At this time, the discharge valve (
11) is closed. Then, a certain amount of the material to be dried (
When 7) is supplied, microwave irradiation is performed to start drying. During this drying, the stirring jl (3) is also rotated to raise the moisture generated from the material to be dried (7) near the bottom, and to improve the uneven heating of the material to be dried (7) so that it is evenly heated. Allow it to dry. When the material to be dried (7) is caught in the gap between the rotating stirring blade (3) and the inner wall of the drying chamber (2) during this feeding or drying, the material to be dried (7) may be The stirrer M(3) comes to ride over the material to be dried (7), and the stirrer blade (3) moves upward as shown in FIG. 3 while rotating and rides over the material to be dried (7). Then, the stirring blade (3) returns to the state shown in FIG. 2 and continues rotating while pushing away the material to be dried (7) by its own weight.
以上の如く、撹拌翼(3)が上下できるので回転がスム
ーズとなり、装置の故障率低下にも貢献することになる
。As described above, since the stirring blade (3) can be moved up and down, the rotation becomes smooth, which also contributes to reducing the failure rate of the device.
尚、乾燥室(2)内の清掃の時は、撹拌翼(3)をつま
み上げて掃除ができるので、被乾燥物(7)が清掃後乾
燥室(2)内に残ることなくきれいに掃除できる。In addition, when cleaning the inside of the drying chamber (2), the stirring blade (3) can be lifted up to clean it, so that the drying object (7) can be cleaned without remaining inside the drying chamber (2) after cleaning. .
(ト)効果
本発明を実施することにより、撹拌翼が被乾燥物に引っ
掛かって回転が止まることがなくなるので、装置の信頼
性が向上する。(g) Effects By carrying out the present invention, the rotation of the stirring blades will not stop due to being caught on the material to be dried, and thus the reliability of the apparatus will be improved.
図面は本発明実施例のマイクロ波乾燥装置に係り、第1
図は断面図、第2図は撹拌翼が通常の位置にある時の拡
大断面図、第3図は撹拌翼が上方に動いた時の拡大断面
図、第4図は撹拌翼の軸付近の分解斜視図である。
(1)・・・マイクロ波乾燥装置本体、(2)・・・乾
燥室、(3)・・・撹拌翼、(14)・・・軸、(15
)・・・軸受部、(]6)・・・電動機、(17)・・
・軸ケース、(18)スリット、(19)・・・ピン、
(23)・・軸継手。The drawings relate to a microwave drying device according to an embodiment of the present invention.
The figure is a sectional view, Figure 2 is an enlarged sectional view when the stirring blade is in its normal position, Figure 3 is an enlarged sectional view when the stirring blade is moved upward, and Figure 4 is an enlarged sectional view of the area near the axis of the stirring blade. It is an exploded perspective view. (1) Main body of microwave drying device, (2) Drying chamber, (3) Stirring blade, (14) Shaft, (15
)...Bearing part, (]6)...Electric motor, (17)...
・Shaft case, (18) slit, (19)...pin,
(23)...Shaft coupling.
Claims (1)
乾燥室に上記被乾燥物をマイクロ波乾燥するためのマイ
クロ波供給手段と、上記乾燥室内に配置されて上記被乾
燥物を撹拌する撹拌手段と、該撹拌手段を回転駆動させ
る駆動手段を備えたものにおいて、上記撹拌手段は上記
駆動手段に上下動できるように取付けられていることを
特徴とするマイクロ波乾燥装置。(1) A drying chamber into which a granular or powdery material to be dried is supplied; a microwave supply means for microwave drying the material to be dried in the drying chamber; 1. A microwave drying apparatus comprising: a stirring means for stirring; and a driving means for rotationally driving the stirring means, wherein the stirring means is attached to the driving means so as to be movable up and down.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1292804A JPH0765844B2 (en) | 1989-11-10 | 1989-11-10 | Microwave dryer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1292804A JPH0765844B2 (en) | 1989-11-10 | 1989-11-10 | Microwave dryer |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH03156280A true JPH03156280A (en) | 1991-07-04 |
JPH0765844B2 JPH0765844B2 (en) | 1995-07-19 |
Family
ID=17786565
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1292804A Expired - Lifetime JPH0765844B2 (en) | 1989-11-10 | 1989-11-10 | Microwave dryer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0765844B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07312284A (en) * | 1994-05-17 | 1995-11-28 | Nec Corp | Electromagnetic wave heating device |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5612981A (en) * | 1979-07-11 | 1981-02-07 | Orient Chemical Ind | Condensation dryer |
JPS6421518U (en) * | 1987-07-28 | 1989-02-02 |
-
1989
- 1989-11-10 JP JP1292804A patent/JPH0765844B2/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5612981A (en) * | 1979-07-11 | 1981-02-07 | Orient Chemical Ind | Condensation dryer |
JPS6421518U (en) * | 1987-07-28 | 1989-02-02 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07312284A (en) * | 1994-05-17 | 1995-11-28 | Nec Corp | Electromagnetic wave heating device |
Also Published As
Publication number | Publication date |
---|---|
JPH0765844B2 (en) | 1995-07-19 |
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