JP3840358B2 - Stir dryer - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a stirring and drying apparatus that performs drying treatment while stirring dust such as soot.
[0002]
[Prior art]
As disclosed in Japanese Examined Patent Publication No. 4-51756, a conventional agitation and drying apparatus includes a heated air feed pipe in which a plurality of branch pipes project in a rotatable cylinder supported in the axial direction of the rotary cylinder. It extends, and the one end part of the said rotating cylinder is provided with the discharge port which discharges the material feed tube which throws in dust, and the dust which dried. Thus, when dust is put into the rotating cylinder from the material feeding pipe and the rotating cylinder is rotated, the dust moves with the rotating cylinder and is stirred by the branch pipe, and the dust is dried by blowing hot air from the branch pipe. It is like that.
[0003]
[Problems to be solved by the invention]
However, in the above structure, there is a problem that most of the dust in the rotating cylinder cannot be moved and discharged only by moving in the circumferential direction in the rotating cylinder. As a general method for solving this, a spiral blade is provided on the inner periphery of the rotating cylinder, and the blade is rotated along with the rotation of the rotating cylinder to move the organic matter in the rotating cylinder to the discharge port side. A method of discharging is conceivable.
[0004]
However, when the blade is provided, it is necessary to shorten the branch pipe so as not to interfere with the blade. However, if the branch pipe is shortened, the dust staying between adjacent blades cannot be stirred and the stirring efficiency is reduced. Problems arise. Therefore, the present invention provides an agitation and drying apparatus that can quickly perform a discharging operation without reducing the efficiency of agitation of dust.
[0005]
[Means for Solving the Problems]
The present invention rotatably supports a rotary drum having front and rear inlets and outlets, and holds a stirring member that can stir dust by rotation of the rotary drum in the rotary drum. In the stirring / drying apparatus in which the dust is dried by supplying hot air to the spiral drum, a spiral blade is provided on the inner peripheral surface of the rotating drum so that the dust can be moved and discharged from the discharge port. Is characterized in that a passage portion through which the stirring member can pass is formed at an intersection with the stirring member, and when the stirring member passes through the passage portion, dust is cut by the stirring member and a blade. . As a result, the dust can be reliably discharged and moved without reducing the stirring efficiency in the rotating drum.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings. In FIG. 1 to FIG. 3, reference numeral 1 denotes an agitation / drying device for drying the dust 2, and the agitation / drying device 1 rotatably supports the rotating drum 5 by the front and rear, left and right rollers 4 and 4 supported on the frame 3. The rotating drum 5 can be rotated in the circumferential direction (clockwise in FIG. 2) by appropriate driving means (not shown).
[0007]
A front wall 6 and a rear wall 7 are erected on the frame 3 and the front end and the rear end of the rotary drum 5 are closed. The front wall 6 is provided with a loading port 8 formed of a screw conveyor, A discharge port 9 is provided in the rear wall 7. The front wall 6 supports one end of a hot air supply pipe 10 disposed obliquely above the rotation center in the rotary drum 5, and a plurality of spray pipes provided in the hot air supply pipe 10. 11, hot air is blown into the rotary drum 5 to dry the dust 2 in the rotary drum 5.
[0008]
The front wall 6 is fixed with one end of a rod 12 disposed on the rotation center line in the rotary drum 5, and the rod 12 extends to the vicinity of the inner peripheral surface of the rotary drum 5 to rotate. A flat stirring member 13 that stirs the dust 2 in the drum 5 is suspended and fixed at an appropriate interval. As a result, the dust 2 that moves in the circumferential direction along with the rotation of the rotating drum 5 is stirred by the stirring member 13, thereby increasing the drying efficiency of the dust 2.
[0009]
A spiral blade 14 is provided on the inner periphery of the rotating drum 5, and the dust 2 fitted between the adjacent blades 14 is sequentially moved to the discharge port 9 side (right side in FIG. 1) by the rotation of the rotating drum 5. It is supposed to let you. The blade 14 is formed with a notch groove 15 which is a passing portion at a location intersecting each stirring member 13 by the rotation of the rotating drum 5, and the dust 2 between the blades 14 is stirred while the rotating drum 5 is rotating. The tip of the stirring member 13 to be prevented from passing through the notch groove 15 is prevented from interfering with the blade 14.
[0010]
Although the stirring member 13 is fixed to the rod 12 in the present embodiment, the same effect can be obtained even if it is fixed to the hot air supply pipe 10 . In this embodiment, the stirring member 13 is formed in a flat plate shape, but may be formed in a rod shape. Although still in this embodiment is provided with a notched groove 15 in the blade 14 as a passage unit, a gap by cutting blade 14, having the same effect also be the clearance agitating member 13 passes Is.
[0011]
The present invention is constructed as described above, and the operation will be described next. When the dust 2 is put into the rotating drum 5 by the screw conveyor, the dust 2 sequentially moves in the circumferential direction (clockwise in FIG. 2) as the rotating drum 5 rotates. On the other hand, since the stirring member 13 is suspended and fixed to the rod 12, the dust bowl 2 is largely stirred by the stirring member 13 being restricted from moving in the circumferential direction.
[0012]
At this time, since the stirring member 13 is fixed, when the blade 14 rotates with the rotary drum 5, the stirring member 13 tends to intersect with the stirring member 13, but the stirring member 13 passes through the notch groove 15 of the blade 14, so The member 13 does not interfere. By the way, since the front part of the stirring member 13 is located between the adjacent blades 14, the dust 2 fitted between the blades 14 can be stirred, and the stirring efficiency of the dust 2 can be improved.
[0013]
Further, when the stirring member 13 passes through the notch groove 15, the dust 2 is cut by the stirring member 13 and the blade 14, so that the drying efficiency can be further increased. The dust 2 dried in the rotary drum 5 moves while being guided by the blade 14 and is discharged from the discharge port 9. Thereby, the discharge movement of the refuse 2 can be performed rapidly, and drying efficiency can be improved.
[0014]
【The invention's effect】
As described above, according to the present invention, a spiral blade that can move and discharge dust is provided in a rotating drum that holds a stirring member in a hollow state, and the blade passes through the crossing point with the stirring member. Since the part is formed, the dust fitted between the adjacent blades can be stirred with the stirring member, and the dust can be quickly dried and discharged without lowering the stirring efficiency of the dust. it can. Further, when the agitating member passes through the passage portion, the dust is cut by the agitating member and the blade, so that the drying efficiency can be further increased.
[Brief description of the drawings]
FIG. 1 is an overall side view of a stirring and drying apparatus.
FIG. 2 is a cross-sectional view taken along the line AA of FIG.
FIG. 3 is an enlarged view of a main part of FIG. 1;
[Explanation of symbols]
1 Stirrer / Dryer 5 Rotating Drum 8 Input Port 9 Discharge Port 13 Stirring Member 14 Blade 15 Notch Groove (Passing Section)

Claims (1)

A rotating drum having a front and rear inlet and outlet is rotatably supported, and a stirring member capable of stirring dust by the rotation of the rotating drum is held hollow in the rotating drum, and hot air is supplied into the rotating drum. In the stirring and drying apparatus configured to dry the dust, a spiral blade capable of moving the dust and discharging the dust from the discharge port is provided on the inner peripheral surface of the rotary drum, and the stirring is provided on the blade. A stirrer / dryer characterized in that a passing part through which a stirring member can pass is formed at an intersection with the member, and when the stirring member passes through the passing part, the dust is cut by the stirring member and the blade .

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