JP3149582B2 - Hot air device of grain dryer - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hot air device for a grain dryer.

[0002]

2. Description of the Related Art Conventionally, a burner provided on the inner side of a side machine wall below a downflow shelf and movable in the front-rear direction is a flexible fuel supply provided to be connected to a fuel pump on one side of the burner. The pipe passes through the pipe connector provided at the end of the flexible pipe and the dry hot air generated from the burner from the drying air path chamber formed by the upper and lower drying air path covers to the grain drying chamber via the blowing chamber. This flexible pipe is a hot air device having a configuration in which an intermediate portion is not held, although the fuel pipe is connected to a fuel connector provided inside the lower drying air path chamber cover.

[0003]

The grains accommodated in the grain drying chamber of the grain dryer are delivered from the storage chamber to the grain drying chamber by the rotation of a delivery valve, and are fed from the falling shelf to the grain collecting gutter. While flowing down and circulating, the drying hot air generated from the burner provided on the inner side of the side wall under the falling shelf is dried from the drying air path chamber formed by the upper and lower drying air path covers, through the blowing chamber, through the drying chamber. By ventilating the room and being sucked and exhausted by the exhaust fan,
It is dried by being exposed to this dry hot air.

If a defect occurs in the burner during the drying operation, the lower drying air path cover is removed, and the burner is moved forward for inspection and repair, and then returned to its original position. At this time, a pipe connector provided at the tip of a fuel supply flexible pipe provided on a fuel pump on one side of the burner, and a fuel connector provided inside the lower drying air path cover at this time. When the burner moves forward, the flexible pipe also moves forward at the same time as the burner, but when returning to the original position, the flexible pipe returns to the original position. Instead, it may be directly below the combustion flame generated from the burner, and the radiant heat of the flame causes the flexible hose to deteriorate, causing the leakage of the combustion fuel, thereby causing a fire. There was a Rukoto, but is intended to prevent this.

[0005]

According to the present invention, the grains are fed out from the upper grain storage chamber 7 to the lower grain drying chamber 8 by the rotation drive of the feeding valve 11 and flow down from the falling shelf 13 to the grain collecting gutter 12. While being circulated and circulated, the dry hot air generated from the burner 3 is blown from the drying air path chamber 15 formed by the upper drying air path cover 14a and the lower drying air path cover 14b to the drying chamber 8 via the blowing chamber 10. It is provided to be dried, and
On the lower side, inside the side wall 4, upper and lower holding rails 32 a,
32b, and the burner 3 has a fuel supply device 2 on one side.
8 ′ fuel valve 28, fuel pump 29, etc.
Upper and lower supports 30a, 30b are provided on the upper and lower sides to
The lower holding rails 32a and 32b are overlapped and provided so as to be movable in the front-rear direction, and a flexible pipe 34 having one end joined to the fuel pump 29 is passed through the insertion hole 33 of the lower support 30b and held. The lower holding rail 32
b, wherein a pipe connector 35 provided at the end of the flexible pipe 34 via the outside of the flexible pipe 34 and a fuel connector 36 provided below the lower drying air path cover 14b are connected. The configuration will be a hot air device.

[0006]

The grains accommodated in the grain storage chamber 7 of the grain dryer are fed from the storage chamber 7 to the grain drying chamber 8 by the rotation drive of the delivery valve 11 and flowed down. While flowing down and circulating from 13 to the grain collecting gutter 12,
Dry hot air generated from the burner 3 provided inside the side wall 4 on the lower side passes through the drying chamber 8 from the drying air path chamber 15 formed by the upper and lower drying air path covers 14a and 14b through the blowing chamber 10. Then, the air is sucked and exhausted by the exhaust fan 19 to be exposed to the dry hot air and dried.

If a defect occurs in the burner 3 during this drying operation, the lower drying air path cover 14b is removed, and the upper and lower holding rails 32a, 3 provided inside the side machine wall 4 are removed.
Inspection and repair are performed by sliding the upper and lower supports 30a and 30b provided above and below the burner 3 on the upper and lower holding rails 32a and 32b, which are provided by overlapping the burner 3 on the upper and lower holding rails 32a and 32b. After that, move back to return to the original position.

At this time, a fuel supply flexible pipe 34 connected to the fuel pump 29 on one side of the burner 3 penetrates the insertion hole 33 of the lower support 30b from above to below. The flexible pipe 34 is held by the insertion hole 33, and the pipe connector 35 connected to the distal end of the flexible pipe 34 through the outside of the lower holding rail 32b. The connection position between the fuel pump 29 of the burner 3 and the insertion hole 33 of the lower support 30b moves the burner 3 forward and backward by connecting the fuel connector 36 provided below the cover 14b. Even when the burner 3 is moved, the burner 3 and the lower support 30b are slid forward and backward at the same time, so that there is no change, and when moving forward, the flexible pipe 34 is moved downward. And the position of the flexible pipe 34 attached to the fuel pump 29 and the position of the insertion hole 33 are not changed. Therefore, the flexible pipe 34 generates a combustion flame generated from the burner 3. The flexible pipe 34 can be prevented from deteriorating due to the radiant heat of the combustion flame, and the combustion fuel can be prevented from leaking out and the fire can be prevented.

[0009]

An embodiment of the present invention will be described below with reference to the drawings. The figure shows a circulation type grain dryer 1 for drying grains.
1 shows a state in which a moisture sensor 2 for detecting moisture in a grain, a burner 3 for generating dry hot air, and the like are mounted. The dryer 1 is provided with a transfer trough 5 and a ceiling plate 6 in which a transfer spiral is rotatably mounted on an upper portion of a machine wall 4 in a rectangular shape long in the front-rear direction. A grain storage chamber 7 for storing is formed.

Each grain drying chamber 8 has a Y-shape below the storage chamber 7 between triangular exhaust chambers 9 at the center and both left and right sides and rhombic air blowing chambers 10 at both right and left sides. Are provided in two rows,
At the lower part of these drying chambers 8, 8, a delivery valve 11 for delivering and flowing down grains is rotatably supported, respectively. The grain collecting gutter 12 is connected to each of the falling shelves 13, 13 inclined from both the left and right sides, and a transfer spiral is rotatably supported at the center, and is provided below the respective drying chambers 7 so as to communicate with each other.

The burner 3 is provided inside the right side machine wall 4 and below the right downflow shelf 13, and the dry hot air generated from the burner 3 is supplied to the upper and lower drying machines provided outside the front machine wall 4. Dry air path chamber 1 formed by air path covers 14a and 14b
5, and the operating device 16 for starting and stopping the dryer 1, the moisture sensor 2, and the burner 3 for each of the operations of inserting, drying, and discharging the dryer. It is detachably attached to the drying air path cover 14a.

The upper drying air path cover 14a has a lower front-rear passageway through which the dry hot air on the left side of the front air passage passes when viewed from the front. A plurality of suction holes 1 formed by long holes or round holes for suction
7 prevents the temperature of the upper drying air path cover 14a from being heated by the dry hot air and rising due to the outside air sucked from the respective suction holes 17, and the temperature of the drying air in the blowing chamber 10 on the left side. It is configured to improve the temperature distribution.

The outer cover 18 is provided with the upper drying air path cover 1.
The lower drying air path cover 14b is provided so as to be freely slidable back and forth with the lower end portion as a fulcrum, and is detachably provided so as to cover the operation device 16 and the operation device 16. The burner 3 includes a front combustion section 25, an intermediate blower cylinder section 26, a rear blower section 27, and a fuel valve 28 of a fuel supply device 28 'provided on the inner side of the blower cylinder section 26 on the lateral side. The upper support 30a and the lower support 30b, each of which has a plate-like bent end, are fixed to the upper and lower sides of the blower cylinder 26. The tool 30b is provided with an insertion hole 33. Front and rear rail holders 31a and 31b are provided with bolts and nuts on the front and rear sides of the inner side surface of the portion having a reinforcing member or the like on the outer side surface of the right side machine wall 4, and these front and rear portions are provided. L-shaped upper and lower holding rails 32a, 32 are provided at upper and lower ends of the rail holders 31a, 31b.
b is fixedly provided, and on the upper holding rail 32a,
The upper support 30a is polymerized, and the lower holding rail 32b is
On the upper side, the lower support 30b is superposed, and the burner 3
Are slidably provided in the front-rear direction.

A flexible pipe 34 is provided so as to be connected to one side of the fuel pump 29, and a pipe connector 35 is provided at a distal end thereof. The flexible pipe 34 passes through a lower side of the blower cylinder 26. The pipe connector 35 passes through the insertion hole 33 provided in the lower support 30b from above to below from the upper side and through the outer side of the lower holding rail 32b, and bolts and bolts to the lower drying air path cover 14b. Fuel connector 3 removably provided via mounting plate 40 mounted with nuts or the like
6 is connected to one side. The other side of the fuel connector 36 and the connector 39 at the tip of the fuel pipe 38 provided in the fuel tank 37 are detachable with one touch. The flexible pipe 34 is also movable in the front-rear direction simultaneously with the burner 3. When moving to the front, the flexible pipe 34 bends downward.

The fuel valve 28 is a fuel valve 2
8 to open and close the fuel tank 3 by the fuel pump 29.
7, the fuel in the fuel pipe 38, the flexible pipe 34, and the fuel valve 2.
8. The burner 3 is supplied to the combustion portion 25 of the burner 3 through the fuel pump 29 and burned to become a combustion flame, which becomes dry hot air. The blower of the blower section 27 is driven to rotate at a variable speed by a shift motor, and blows combustion air corresponding to the supplied fuel amount to the combustion section 25 with the blower.

The exhaust fan 19 has an exhaust path cover 21 which forms an exhaust path chamber 20 provided in communication with the exhaust chambers 9 at the center and both right and left sides on the rear side machine wall 4. Torso 22
The exhaust path cover 21 is provided with an exhaust motor 23 for driving the exhaust 19 to rotate. The valve motor 24 is provided on the rear side machine wall 4 to rotate the respective delivery valves 11 via a speed reduction mechanism.

The diffusion plate 41 is provided at a central portion in the front-rear direction of the bottom plate of the transfer gutter 5 and below the supply port for supplying the transfer kernels to the storage chamber 7, and uniformly diffuses the kernels into the storage chamber 7. Is being reduced. The grain raising machine 42 is provided on the outer side of the front machine wall 4 and has a belt with a bucket conveyor 43 stretched inside. The upper end is provided with a discharge cylinder 44 between the transfer gutter 5 and the start end. And a lower end is provided with the grain collecting gutter 12
A supply gutter 45 is provided and communicated with the terminal end. An opening 46 is provided in a side wall portion below the grain raising machine 42,
A hopper 47 for feeding grains into the grain raising machine 42 can be attached to the opening 46.

The stuffing hopper 47 is formed in a funnel shape and has a lower part provided with an inflow port 48 into which grains enter. When the embedding hopper 47 is mounted on one side of the grain raising machine 42, a mounting for the grain raising machine having a U-shaped cutout hole 49 at one end portion of one side of the embedding hopper 47 is provided. Tool 5
0 is removably mounted with bolts and nuts, and the inflow port 48 of the insertion hopper 47 is connected to the opening 46 of the grain raising machine 42.
Into the notch hole 4 of the grain raising machine fixture 50.
9 and 49 are inserted into respective bolts provided on both front and rear side walls of the grain raising machine 42 and mounted with nuts or the like.

The supply gutter 45 is provided with an opening 46 'over the upper wall plate and the front wall plate, and a box-shaped auxiliary supply box 52 is detachably provided above the supply gutter 45 with bolts and nuts. An opening 53 is provided in a front wall plate of the auxiliary supply box 52,
The opening 53 and the opening 46 'communicate with each other. When the insertion hopper 47 is attached to the supply gutter 45, the grain raising machine attachment 50 is removed, and an L-shaped supply gutter attachment 54 is replaced and attached. The inlet 48 is inserted into the openings 46 and 53 of the supply gutter 45 and the auxiliary supply box 52, and the supply gutter attachment 54 is attached to the upper wall plate of the auxiliary supply box 52 with bolts and nuts. The hole of the fixture 54 ′ is inserted into each bolt provided on the front side wall plate of the grain raising machine 42, and is mounted with a nut. The embedding hopper 47 is configured to be interchangeable with the grain raising machine 42 and the supply gutter 45, and the opening 46 and the opening 51 on the side where the embedding hopper 47 is not mounted.
Either one of 46 'is configured to removably mount and close the closing plate 55.

The grain raising motor 56 rotates the belt with the bucket conveyor 43, the transfer spiral in the transfer trough 5, the transfer spiral in the diffusion plate 41 and the grain collecting trough 12, and the like. The moisture sensor 2 is connected to the grain raising machine 42.
The moisture sensor 2 is provided substantially at the center in the up-down direction, and the moisture sensor 57 is rotated by the transmission of an electric measurement signal from the operating device 16 to rotate the respective components of the moisture sensor 2 to rotate. At 43, the grains falling during transportation to the upper portion are received, and while the grains are being pinched and pulverized, the moisture of the pulverized grains is detected.

The operating device 16 has a box shape, and the dryer 1, the moisture sensor 2, the burner 3 and the like are mounted on the surface plate of the box, and the starting operation is performed for each of the drying, discharging and discharging operations. Start switch 58, stop switch 5 for stopping operation
9. Moisture setting switch 6 for setting the target moisture content of grain
0, a grain type setting switch 61 for setting the temperature of the dry hot air generated from the burner 3, a stake amount setting switch 62 for setting the stake amount of the grain, and other switches and a display unit for digitally displaying various display items. 63 and the like are provided.

The operation of the above embodiment will be described below. By operating the switches 60, 61, 62 and the like of the operating device 16 and operating the start switch 58 for starting the drying operation, each part of the grain dryer 1, the burner 3, the moisture sensor 2 and the like are started. Dry hot air of a set temperature is generated from the burner 3, and the dry hot air passes through the respective grain drying chambers 8 from the drying air path chamber 15 through the respective blowing chambers 11, and passes through the respective grain drying chambers 8.
Then, the air is sucked and exhausted by the exhaust fan 19 through the exhaust passage chamber 20.

The grains stored in the grain storage chamber 7 are dried by being exposed to the hot air while flowing through the respective drying chambers 8 from the storage chamber 7, and are fed downward by the respective feed valves 11. And
After flowing down each falling shelf 13, it is transferred and supplied from the grain collecting gutter 12 through the supply gutter 45 into the grain raising machine 42 by the lower transfer spiral, conveyed to the upper part by the bucket conveyor 43, and transferred through the discharge tube 44. 5, is transferred from the transfer gutter 5 onto the diffusion plate 41 by an upper transfer spiral, and is uniformly diffused and reduced into the storage chamber 7 by the diffusion plate 41 to be circulated and dried.

When the grain moisture detected by the moisture sensor 2 is detected to be the same as the finish target moisture set by operating the moisture setting switch 60, it is determined that the drying of the grain has been completed. The dryer 1 is automatically stopped by the automatic control by the operation device 16, and the drying of the grain is stopped.
If a defect occurs in the burner 3 during this drying operation, the lower drying air path cover 1 forming the drying air path chamber 15
4b, the burner 3 moves the upper and lower supports 30a, 30b of the burner 3 up and down holding rails 32a, 32b.
The burner 3 is inspected and repaired by sliding forward on the upper side, and after completion of the burner 3, the burner 3 is slid backward to its original position. The flexible pipe 34 to be supplied to the burner 3 moves back and forth simultaneously with the burner 3.
4 is inserted into the insertion hole 33 of the lower support 30b, so that the relative position between the mounting position of the flexible pipe 34 to the fuel pump 29 and the position of the insertion hole 33 is as follows.
There is no change even if the burner 3 is moved back and forth, so that the flexible pipe 34 is held at a predetermined position.

The grains are fed from the hopper 47 into the grain raising machine 42.
When mounting, the mounting machine 50 for the grain raising machine is mounted on the mounting hopper 47, the mounting machine 50 for the grain raising machine is mounted on the grain raising machine 42, and the When the grains are put in, they are inserted through the grain raising machine 42. Further, when inserting from the insertion hopper 47 through the supply gutter 45, the supply gutter fixture 54 is attached to an auxiliary supply box 52 provided above the supply gutter 45, and When the grains are thrown in, they are inserted through the supply gutter 45.

[Brief description of the drawings]

 FIG. 1 shows an embodiment of the present invention.

FIG. 1 is an enlarged plan view of a main part.

FIG. 2 is an enlarged side perspective view of a main part.

FIG. 3 is an enlarged front view of a main part.

FIG. 4 is a front view of the grain dryer.

FIG. 5 is a side sectional view of a grain dryer.

FIG. 6 is a front sectional view of a grain dryer.

FIG. 7 is an enlarged side sectional view of a part of the grain dryer.

FIG. 8 is an enlarged front perspective view of a supply gutter and an auxiliary supply box.

FIG. 9 is an enlarged front perspective view relating to the insertion hopper.

FIG. 10 is an enlarged front view of the operating device, which can be partially broken.

[Explanation of symbols]

 REFERENCE SIGNS LIST 3 burner 4 machine wall 7 grain storage room 8 grain drying room 10 air blowing room 11 feeding valve 12 grain collecting gutter 13 falling shelves 14 a upper drying air path cover 14 b lower drying air path cover 15 drying air path chamber 28 ′ fuel supply device Reference Signs List 28 fuel valve 29 fuel pump 30a upper support 30b lower support 32a upper holding rail 32b lower holding rail 33 insertion hole 34 flexible pipe 36 fuel connector

────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Hitoshi Kamiji 1 Eighth, Hachikura, Tobe-cho, Iyo-gun, Ehime Prefecture Iseki Agricultural Machinery Co., Ltd. Examiner Masato Matsunawa Inspector in the Technology Department of the Company (58) Field surveyed (Int. Cl. ⁷ , DB name) F26B 23/02 F26B 17/14

Claims (1)

(57) [Claims] 1. A burner 3 which feeds a grain from an upper grain storage chamber 7 to a lower grain drying chamber 8 by a rotation drive of a delivery valve 11 and flows down and circulates the grain from a falling shelf 13 to a grain collecting trough 12. The drying hot air generated from the air is supplied from the drying air path chamber 15 formed by the upper drying air path cover 14a and the lower drying air path cover 14b to the drying chamber 8 through the blowing chamber 10 to be dried, and the drying hot air is dried. Upper and lower holding rails 32a and 32b are provided below the shelf 13 and inside the side wall 4 and the burner 3 is provided with a fuel valve 28 and a fuel pump 29 of a fuel supply device 28 'on one side. Upper and lower supports 30 on the upper and lower sides
a, 30b to provide upper and lower holding rails 32a, 32
and a flexible pipe 34 having one end joined to the fuel pump 29 is passed through the insertion hole 33 of the lower support 30b and held there. Characterized in that a pipe connector 35 provided at the distal end of the flexible pipe 34 via the outside of the flexible pipe 34 and a fuel connector 36 provided below the lower drying air path cover 14b are connected to each other. apparatus.