JP5421193B2 - Grain filling device in grain dryer - Google Patents

Grain filling device in grain dryer Download PDF

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JP5421193B2
JP5421193B2 JP2010135281A JP2010135281A JP5421193B2 JP 5421193 B2 JP5421193 B2 JP 5421193B2 JP 2010135281 A JP2010135281 A JP 2010135281A JP 2010135281 A JP2010135281 A JP 2010135281A JP 5421193 B2 JP5421193 B2 JP 5421193B2
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chamber
dust
dryer
branch path
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隆雄 関
信行 阿部
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KANEKONOKI CO., LTD.
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Description

本発明は、乾燥機本体の穀物貯留槽に貯留した穀物を通風乾燥部を経て循環流動させながら乾燥する穀物燥機における穀物張込装置に関するものである。   The present invention relates to a grain filling device in a grain dryer that dries while circulating and flowing through a grain storage tank of a dryer main body through a ventilation drying unit.

乾燥機本体の上段に穀物貯留槽、中段に通風乾燥部、下段に穀物取出槽をそれぞれ設け、穀物貯留槽に貯留した穀物を通風乾燥部、穀物取出槽、穀物貯留槽の経路で循環流動させながら乾燥する穀物乾燥装置は、特開２００７−２９２３３７号公報に記載されている。また、穀物乾燥装置の内部で穀物が搬送される通過部（昇降機）と連通した排塵装置を設けた構成は、特開２００８−５１３８５号公報および特開２００９−１９８０２７号公報に記載されている。   The upper part of the dryer body has a grain storage tank, the middle part has a ventilation drying section, and the lower stage has a grain extraction tank, and the grains stored in the grain storage tank are circulated and flown through the path of the ventilation drying section, grain extraction tank, and grain storage tank. A grain drying apparatus that dries while is described in JP-A-2007-292337. Moreover, the structure which provided the dust removal apparatus connected with the passage part (elevator) in which grain is conveyed inside the grain drying apparatus is described in Unexamined-Japanese-Patent No. 2008-51385 and Unexamined-Japanese-Patent No. 2009-198027. .

特開２００７−２９２３３７号公報JP 2007-292337 A 特開２００８−５１３８５号公報JP 2008-51385 A 特開２００９−１９８０２７号公報JP 2009-198027 A

穀物乾燥機における張込ホッパは、昇降機もしくは昇降機付近の搬送部の一部に取付けられており、コンバイン等の刈取収穫機で収穫された穀物は集穀袋に袋詰めされて運ばれ、収穀袋から穀物を穀物乾燥機の張込ホッパに投入するか、あるいはグレンタンク等の搬送装置を用いて穀物乾燥機への穀物の投入作業を行なっている。   The tension hopper in the grain dryer is attached to the elevator or a part of the transport section near the elevator, and the grains harvested by a harvesting harvester such as a combine harvester are packed in a collection bag and conveyed Grain is put into the hopper of the grain dryer from the bag, or the grain is put into the grain dryer using a transfer device such as a grain tank.

コンバイン等の刈取収穫機よって収穫された穀物は水分を多く含んでいるうえ泥や藁屑などの塵埃が多く含まれているので、穀物乾燥機の張込ホッパに投入された穀物からは昇降機に供給される前に塵埃などを除去することが望ましく、前掲の特許文献２，３にもそのことが紹介されている。また、穀物乾燥機の張込ホッパに張り込まれる穀物は湿気が多いためその流動性が悪く、張込ホッパに詰まりが生じてその除去等の対応のため、乾燥作業にしばしば支障をきたすことも指摘されていた。   Grains harvested by combine harvesters such as combine harvesters contain a lot of moisture and a lot of dust such as mud and sawdust. It is desirable to remove dust and the like before being supplied, which is also introduced in the above-mentioned Patent Documents 2 and 3. In addition, since the grain put into the hopper of the grain dryer has a lot of moisture, its fluidity is bad, and the hopper is clogged and often causes troubles in the drying operation due to its removal. It was pointed out.

そこで本発明は、このような問題点を解消するため、乾燥機本体の穀物貯留槽に貯留した穀物を通風乾燥部を経て循環流動させながら乾燥する穀物乾燥機において、穀物貯留槽に穀物を張り込みまたは循環させる昇降機の穀物供給部には排塵室を介在させて穀物張込ホッパを接続するとともに、前記排塵室を吸引送風機を備える排風室に連通させて吸引排塵するように構成したことにより、穀物乾燥機に張り込まれる穀物に塵埃などが多く含まれていても昇降機に搬送される前に吸引排除するとともに、穀物張込ホッパに投入される穀物が湿気等により流動性が悪くても詰まりが生じるのを防止して円滑に張り込み供給することができる穀物燥機における穀物張込装置を提供することを目的とするものである。   Therefore, in order to solve such problems, the present invention provides a grain dryer in which the grain stored in the grain storage tank of the dryer body is dried while circulating and flowing through the ventilation drying section. Alternatively, the grain supply unit of the elevator to be circulated is connected to a grain filling hopper via a dust discharge chamber, and the dust discharge chamber is connected to a wind discharge chamber equipped with a suction blower to suck and discharge dust. Therefore, even if the grain put into the grain dryer contains a lot of dust etc., it is sucked out before being transported to the elevator, and the grain thrown into the grain filling hopper has poor fluidity due to moisture etc. However, it is an object of the present invention to provide a grain embedding device in a grain dryer that can prevent clogging and smoothly feed it.

上記目的を達成するために本発明は、請求項１ないし請求項３記載の穀物乾燥機における穀物張込装置を提案するものである。 In order to achieve the above object, the present invention proposes a grain embedding device in a grain dryer according to claims 1 to 3 .

すなわち、請求項１記載の穀物乾燥機における穀物張込装置は、乾燥機本体の穀物貯留槽に貯留した穀物を通風乾燥部を経て循環流動させながら乾燥する穀物乾燥機において、熱風供給胴と排風胴を交互に対向配置して乾燥通路を形成する通風乾燥部の熱風供給胴は熱風供給室に、かつ排風胴は排風室にそれぞれ連通させていて、排風室の一端側には吸引送風機を備えており、前記穀物貯留槽に穀物を張り込みまたは循環させる昇降機の穀物供給部には排塵室を介在させて穀物張込ホッパを接続するとともに、前記排塵室を前記排風室に連通させて吸引排塵するように構成してあり、前記排塵室は、その内部が穀物張込ホッパの流下口に対して下方分岐路と上方分岐路を成していて、その下方分岐路が昇降機の穀物供給部に接続され、かつその上方分岐路が排風室に接続されており、前記上方分岐路内には撹乱気流を生じさせて穀物と塵埃とを分離させるための邪魔板を設けてあることを特徴とするものである。 That is, the grain filling device in the grain dryer according to claim 1 is a grain dryer that dries while circulating and flowing the grain stored in the grain storage tank of the dryer body through the air drying section, The hot air supply drum of the ventilation drying section that alternately arranges the wind tunnels to form a drying passage communicates with the hot air supply chamber, and the exhaust wind drum communicates with the exhaust air chamber. A suction blower is provided, and a grain supply hopper is connected to a grain supply unit of an elevator that puts or circulates the grain in the grain storage tank, and a dust filling chamber is connected to the grain supply unit, and the dust discharge chamber is connected to the wind discharge chamber configured tear to draw dust-exhaust by communicated with is, the Haichirishitsu has its interior is not make lower branch channel and the upper branch channel relative to flow down outlet grain Chokomi hopper therebelow The branch is connected to the grain supply section of the elevator and Upper branch path is connected to the air discharge chamber, is characterized in that said upward branch passage is provided with a baffle plate for separating and allowed to grain and dust resulting disturbance airflow.

また、請求項２の穀物乾燥機における穀物張込装置は、請求項１の構成において、排塵室の上面は外気に対する通気面としてあるとともに、その開口度調節のためのシャッタを備えていることを特徴とするものである。 According to a second aspect of the present invention, there is provided the grain filling device according to the first aspect, wherein the upper surface of the dust chamber is provided as a ventilation surface for the outside air and a shutter for adjusting the opening degree. It is characterized by.

さらに、請求項３の穀物乾燥機における穀物張込装置は、請求項１の構成において、昇降機の穀物供給部には、穀物の循環経路を成す穀物搬出コンベアの一端部が接続されていて、排塵室の下方分岐路が穀物搬出コンベアの一端部の拡散羽根に対応して開口している構成であることを特徴とするものである。 Furthermore, the grain placing device in the grain dryer according to claim 3 is the construction according to claim 1, wherein the grain supply section of the elevator is connected to one end of a grain carry-out conveyor forming a grain circulation path. The lower branching path of the dust chamber is configured to open corresponding to the diffusion blades at one end of the grain carry-out conveyor.

本発明によれば、穀物乾燥機に張り込まれる穀物に塵埃などが多く含まれていても昇降機に搬送される前に吸引排除するとともに、穀物張込ホッパに投入される穀物が湿気等により流動性が悪くても詰まりが生じるのを防止して円滑に張り込み供給することができる穀物燥機における穀物張込装置を提供することができるものである。   According to the present invention, even if the grain put into the grain dryer contains a lot of dust and the like, it is sucked out before being conveyed to the elevator, and the grain put into the grain filling hopper flows due to moisture or the like. It is possible to provide a grain squeezing device in a grain dryer that can prevent clogging even if the property is poor and can be squeezed and supplied smoothly.

本発明の一実施の形態を示す断面図である。It is sectional drawing which shows one embodiment of this invention. 同上斜視図である。It is a perspective view same as the above. 同上他の方向からみた断面図である。It is sectional drawing seen from the other direction same as the above. 穀物乾燥機の全体を一部破断して示す斜視図である。It is a perspective view which shows the whole grain dryer partially fractured | ruptured. 同上一部の断面図である。It is a partial sectional view same as the above. 同上内部構造の一部を示す斜視図である。It is a perspective view which shows a part of internal structure same as the above. 本発明に係る装置における作用を説明する断面図である。It is sectional drawing explaining the effect | action in the apparatus which concerns on this invention.

図面において、１は乾燥機本体であって、乾燥機本体１の上段には穀物貯留槽２が、また中段には通風乾燥部３が、さらに下段には穀物取出槽４がそれぞれ設けられている。穀物取出槽４の下部にはその前後方向全長にわたる穀物搬出コンベア５が設けられており、穀物搬出コンベア５と穀物貯留槽２の上方の上部コンベア６間は昇降機７によって連絡されていて、穀物搬出コンベア５、昇降機７および上部コンベア６を介して、穀物貯留槽２、通風乾燥部３、穀物取出槽４、穀物貯留槽槽２の経路で穀物が循環されるように構成されている。   In the drawings, reference numeral 1 denotes a dryer main body, in which a grain storage tank 2 is provided in the upper stage of the dryer main body 1, a ventilation drying unit 3 is provided in the middle stage, and a grain take-out tank 4 is provided in the lower stage. . A grain carry-out conveyor 5 is provided at the lower part of the grain take-out tank 4 in the front-rear direction, and the grain carry-out conveyor 5 and the upper conveyor 6 above the grain storage tank 2 are connected by an elevator 7 to carry out the grain carry-out. Through the conveyor 5, the elevator 7 and the upper conveyor 6, the grain is circulated through the path of the grain storage tank 2, the ventilation drying unit 3, the grain take-out tank 4, and the grain storage tank 2.

上記通風乾燥部３は、多孔状の通気壁により形成された複数の熱風供給胴８と、多孔状の通気壁により形成された複数の排風胴９を交互に対向配置してそれらの間にそれぞれ乾燥通路１０を形成しており、通風乾燥部３を構成する熱風供給胴８は熱風供給室に、かつ排風胴９は排風室１１にそれぞれ連通していて、排風室１１の一端側には吸引送風機１２を備えている。   The ventilation drying unit 3 includes a plurality of hot air supply cylinders 8 formed of a porous ventilation wall and a plurality of air exhaust cylinders 9 formed of a porous ventilation wall alternately arranged so as to be interposed therebetween. Each of the drying passages 10 is formed, the hot air supply cylinder 8 constituting the ventilation drying unit 3 is in communication with the hot air supply chamber, and the exhaust air cylinder 9 is in communication with the exhaust air chamber 11. A suction blower 12 is provided on the side.

前記排風室１１は、吸引送風機１２を備えた一端側から前方側に向かって漸次断面積が小さくなるように絞り形状の風洞をなしている。すなわち、排風室１１の外側面壁１３を吸引送風機１２側から前方に向けて内側に近づく斜面状をなすように設けて吸引送風機１２を備えた一端側から前方側に向かって漸次断面積が小さくなるように形成している。   The air exhaust chamber 11 forms a throttle-shaped wind tunnel so that the sectional area gradually decreases from one end side including the suction blower 12 toward the front side. That is, the outer side wall 13 of the exhaust air chamber 11 is provided so as to form a slope approaching inward from the suction fan 12 side to the front, and the sectional area gradually decreases from one end side provided with the suction fan 12 toward the front side. It is formed to become.

穀物取出槽４は、その上部両側から穀物搬出コンベア５の搬送樋にかけて傾斜する流穀板と両側壁とで囲まれて形成されている。穀物取出槽４内には、遠赤外線放射体１５が配設されており、この遠赤外線放射体１５は、穀物取出槽４の前後方向略全長にわたる円筒形のものである。この遠赤外線放射体１５から放射される遠赤外線は、通風乾燥部３の乾燥通路１０から繰出ロールの回転により繰り出されて、流穀板面上を穀物が散粒状ないし薄層状に流下する穀物に照射される。遠赤外線放射体１５の一端には、ガンタイプのバーナが設けられており、遠赤外線放射体１５の排気側には排気筒が接続されている。なお、遠赤外線放射体１５は低速で連続回転する構造となっている。   The grain take-out tank 4 is formed by being surrounded by a drifted grain plate and both side walls that are inclined from both upper sides of the grain take-out tank 4 to the conveying basket of the grain carry-out conveyor 5. A far-infrared radiator 15 is disposed in the grain take-out tank 4, and the far-infrared radiator 15 has a cylindrical shape extending over the entire length of the grain take-out tank 4 in the front-rear direction. The far-infrared rays emitted from the far-infrared radiator 15 are fed out from the drying passage 10 of the ventilation drying unit 3 by the rotation of the feeding rolls, and the grains fall on the surface of the flown cereal plate in a granular or thin layer. Irradiated. A gun-type burner is provided at one end of the far-infrared radiator 15, and an exhaust pipe is connected to the exhaust side of the far-infrared radiator 15. The far-infrared radiator 15 has a structure that rotates continuously at a low speed.

本発明に係る穀物乾燥機１においては、穀物貯留槽２に穀物を張り込みまたは循環させる昇降機７の穀物供給部に排塵室１６を介在させて穀物張込ホッパ１７を接続するとともに、排塵室１６を排風室１１にダクト１８により接続口１９に接続して連通させており、排塵室１６から排風室１１に吸引送風機１２による吸引空気により吸引排塵するように構成してある。なお、上記接続口１９はシャッタ２７をそなえていて、風量調節を可能とした開閉構造となっている。   In the grain dryer 1 according to the present invention, a grain-carrying hopper 17 is connected to a grain supply unit of an elevator 7 that puts or circulates grains in a grain storage tank 2 with a dust-carrying chamber 16 interposed therebetween, and a dust-carrying chamber. 16 is connected to the exhaust port 11 by a duct 18 and connected to a connection port 19, and is configured to suck and exhaust dust from the dust chamber 16 to the exhaust chamber 11 by suction air from the suction fan 12. The connection port 19 is provided with a shutter 27 and has an opening / closing structure capable of adjusting the air volume.

前記排塵室１６は、その内部が穀物張込ホッパ１７の流下口２０に対して下方分岐路２１と上方分岐路２２を成していて、その下方分岐路２１が昇降機７の穀物供給部に接続され、かつその上方分岐路２２が排風室１１にダクト１８により接続されている。そして、下方分岐路２１が接続されている昇降機７の穀物供給部は、穀物取出槽４の下部に設けられている穀物搬出コンベア５の一端部との接続空間を成しているので、下方分岐路２１は穀物搬出コンベア５の一端部の拡散羽根５ａ上で開口している。穀物搬出コンベア５は回転スクリュー５ｂの一端部に拡散羽根５ａを一体に設けた構成である。   The inside of the dust discharge chamber 16 forms a lower branch path 21 and an upper branch path 22 with respect to the flow-down opening 20 of the grain filling hopper 17, and the lower branch path 21 serves as a grain supply section of the elevator 7. The upper branch path 22 is connected to the exhaust chamber 11 by a duct 18. And since the grain supply part of the elevator 7 to which the lower branch path 21 is connected forms a connection space with one end part of the grain carry-out conveyor 5 provided in the lower part of the grain take-out tank 4, the lower branch The path 21 is open on the diffusion blade 5 a at one end of the grain carry-out conveyor 5. The grain carry-out conveyor 5 has a configuration in which a diffusion blade 5a is integrally provided at one end of a rotary screw 5b.

前記上方分岐路２２内には下方の邪魔板２３が下向き傾斜状に、また上方の邪魔板２４が下方の邪魔板２３とその上方で対向するように下向きに傾斜状に設けられていて、これら邪魔板２３，２４により撹乱気流を生じさせて穀物ａと塵埃ｂとを浮遊分離させ、塵埃ｂを分離された穀物ａは下方分岐路２１を流下して穀物搬出コンベア５を経て昇降機７に供給される。また上記撹乱気流により分離された塵埃ｂは上方分岐路２２から吸引気流にのってダクト１８を経て排風室１１に入り、吸引送風機１２により機外に排出される。排塵室１６の上面はグリル状に外気に対する通気面２５としてあるとともに、その開口度調節のためのシャッタ２６を備えているので、通気面２５の開開口度を調節して外気の導入の度合を調整することにより排塵室１６内における負圧状態を適切に保たせることが可能である。   In the upper branch path 22, a lower baffle plate 23 is inclined downward, and an upper baffle plate 24 is inclined downward so as to face the lower baffle plate 23. The baffle plates 23 and 24 generate a turbulent air flow to float and separate the grain a and the dust b. The grain a separated from the dust b flows down the lower branch path 21 and is supplied to the elevator 7 via the grain carry-out conveyor 5. Is done. Further, the dust b separated by the turbulent air flow is carried into the air discharge chamber 11 through the duct 18 through the suction air flow from the upper branch path 22 and is discharged out of the apparatus by the suction blower 12. The upper surface of the dust removal chamber 16 has a grill-like ventilation surface 25 for outside air, and is provided with a shutter 26 for adjusting the opening degree thereof. Therefore, the degree of introduction of outside air by adjusting the opening degree of the ventilation surface 25. By adjusting the negative pressure, it is possible to appropriately maintain the negative pressure state in the dust chamber 16.

ところで、前記のように排塵室１６で分離されて排風室１１内に吸引される塵埃は細塵から比較的大きい粗塵（比較的大きいゴミ）まで種々含まれているので、排塵室１６から吸引された比較的大きなゴミ（侠雑物）が、熱風供給胴８から乾燥通路１０、排風胴９を通過して、排風室１１内の底面１４に堆積する比較的比重が重く細かなゴミ（雑草種・割れ米など）にぶつかることによって、底面１４の斜面上のゴミを吸引送風機１２の方向に移動させる。このため、排風室１１内を常に清浄な状態に保つことができる。 By the way, the dust separated in the dust chamber 16 and sucked into the wind chamber 11 as described above includes various kinds of dusts from fine dust to relatively large coarse dust (relatively large dust). The relatively large dust (contamination) sucked from 16 passes through the hot air supply cylinder 8 through the drying passage 10 and the exhaust air cylinder 9 and accumulates on the bottom surface 14 in the exhaust air chamber 11 with a relatively high specific gravity. By hitting fine dust (weed seeds, broken rice, etc.), the dust on the slope of the bottom surface 14 is moved in the direction of the suction fan 12. For this reason, the inside of the exhaust chamber 11 can always be kept clean.

一方、前記のように排塵室１６に接続した穀物張込ホッパ１７の流下口１９の部分には穀物の流下方向に吸引力が作用するので、穀物張込ホッパ１７に投入された穀物が湿気等により流動性が悪くても、穀物張込ホッパ１７における詰まり現象を未然に防止する効果を期待することができる。また、排塵室１６内では前記のように撹乱気流が生じているので、その作用が穀物張込ホッパ１７の流下口１９付近における穀物の流動性を促進させて、前記穀物張込ホッパ１７における詰まり現象を未然に防止する効果を一層向上させることができる。   On the other hand, a suction force acts in the flow-down direction of the grain on the portion of the flow-through opening 19 of the grain-carrying hopper 17 connected to the dust discharge chamber 16 as described above, so that the grain put into the grain-carrying hopper 17 is moisture. Even if the fluidity is poor due to the above, it is possible to expect the effect of preventing the clogging phenomenon in the grain filling hopper 17 in advance. Further, since the turbulent airflow is generated in the dust chamber 16 as described above, the action promotes the fluidity of the grain in the vicinity of the flow-down opening 19 of the grain embedding hopper 17, and in the grain embedding hopper 17. The effect of preventing the clogging phenomenon can be further improved.

１ 乾燥機本体
２ 穀物貯留槽
３ 通風乾燥部
４ 穀物取出槽
５ 穀物搬出コンベア
５ａ 拡散羽根
５ｂ 回転スクリュー
６ 上部コンベア
７ 昇降機
８ 熱風供給胴
９ 排風胴
１０ 乾燥通路
１１ 排風室
１２ 吸引送風機
１３ 外側面壁
１４ 底面
１５ 遠赤外線放射体
１６ 排塵室
１７ 穀物張込ホッパ
１８ ダクト
１９ 接続口
２０ 流下口
２１ 下方分岐路
２２ 上方分岐路
２３ 下方の邪魔板
２４ 上方の邪魔板
２５ 通気面
２６ シャッタ
２７ シャッタ
ａ 穀物
ｂ 塵埃 DESCRIPTION OF SYMBOLS 1 Dryer body 2 Grain storage tank 3 Ventilation drying part 4 Grain extraction tank 5 Grain carry-out conveyor 5a Diffusion blade 5b Rotating screw 6 Upper conveyor 7 Elevator 8 Hot air supply drum 9 Exhaust drum 10 Drying passage 11 Exhaust chamber 12 Suction blower 13 Outer side wall 14 Bottom surface 15 Far-infrared radiator 16 Dust removal chamber 17 Grain filling hopper 18 Duct 19 Connection port 20 Downflow port 21 Lower branch path 22 Upper branch path 23 Lower baffle plate 24 Upper baffle plate 25 Ventilation surface 26 Shutter 27 Shutter a Grain b Dust

Claims (3)

乾燥機本体の穀物貯留槽に貯留した穀物を通風乾燥部を経て循環流動させながら乾燥する穀物乾燥機において、
熱風供給胴と排風胴を交互に対向配置して乾燥通路を形成する通風乾燥部の熱風供給胴は熱風供給室に、かつ排風胴は排風室にそれぞれ連通させていて、排風室の一端側には吸引送風機を備えており、
前記穀物貯留槽に穀物を張り込みまたは循環させる昇降機の穀物供給部には排塵室を介在させて穀物張込ホッパを接続するとともに、前記排塵室を前記排風室に連通させて吸引排塵するように構成してあり、
前記排塵室は、その内部が穀物張込ホッパの流下口に対して下方分岐路と上方分岐路を成していて、その下方分岐路が昇降機の穀物供給部に接続され、かつその上方分岐路が排風室に接続されており、前記上方分岐路内には撹乱気流を生じさせて穀物と塵埃とを分離させるための邪魔板を設けてある
ことを特徴とする穀物乾燥機における穀物張込装置。 In the grain dryer that dries while circulating and flowing through the grain drying unit through the grain storage tank of the dryer body,
The hot air supply cylinder and the exhaust wind cylinder are alternately arranged opposite to each other to form a drying passage. The hot air supply cylinder of the ventilation drying section communicates with the hot air supply chamber, and the exhaust wind cylinder communicates with the exhaust air chamber. A suction blower is provided on one end of the
A grain supply hopper is connected to the grain supply section of the elevator that puts or circulates the grain in the grain storage tank, and a dust filling chamber is connected to the grain storage tank. configuration and tear as is,
The dust chamber has a lower branch path and an upper branch path with respect to the flow outlet of the grain filling hopper, and the lower branch path is connected to the grain supply section of the elevator and is branched upward. Grain drying characterized in that a path is connected to a wind exhaust chamber, and a baffle plate is provided in the upper branch path for generating a turbulent air flow to separate grain and dust. Grain filling device in the machine. 排塵室の上面は外気に対する通気面としてあるとともに、その開口度調節のためのシャッタを備えていることを特徴とする請求項１記載の穀物乾燥機における穀物張込装置。   2. The grain filling device in a grain dryer according to claim 1, wherein an upper surface of the dust removal chamber is provided as a ventilation surface for outside air, and a shutter for adjusting an opening degree thereof is provided. 昇降機の穀物供給部には、穀物の循環経路を成す穀物搬出コンベアの一端部が接続されていて、排塵室の下方分岐路が穀物搬出コンベアの一端部の拡散羽根に対応して開口している構成であることを特徴とする請求項１記載の穀物乾燥機における穀物張込装置。   The grain supply section of the elevator is connected to one end of a grain carry-out conveyor that forms a grain circulation path, and the lower branch path of the dust discharge chamber opens corresponding to the diffusion blade at one end of the grain carry-out conveyor. The grain filling device in the grain dryer according to claim 1, wherein:
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