Corniform box of grain drying tower

Abstract

The invention discloses a corniform box of a grain drying tower. The corniform box is a long and narrow groove shaped body made of steel plates, wherein the two ends and the bottom of the groove shaped body are open; the groove shaped body comprises an inverted V-shaped groove top and two parallel vertical groove walls; the distance between the two parallel vertical groove walls is smaller than the width of the bottom opening of the inverted V-shaped groove top; a horizontal groove eave connected with the upper edge of the vertical groove wall on the same side is arranged on the lower edge ofeach of the two sides of the inverted V-shaped groove top; the inverted V-shaped groove top, the two vertical groove walls and the two horizontal groove eaves are connected to define the corniform boxof the grain drying tower, and the cross section of the corniform box takes the shape of a hollow arrowhead; and an eversion folded edge perpendicular to each of the vertical groove walls is arrangedat the lower edge of each of the vertical groove walls. The corniform box is simple in structure and high in strength, can increase the contact area and heat exchanging time of grain and hot-blast air compared with a shaped box in the prior art, and is high in hot-blast air utilization efficiency and grain drying effect.

Description

technical field [0001] The invention relates to a hot air distribution / moisture steam collection and discharge device of a grain drying tower, in particular to an angular box of a grain drying tower. Background technique [0002] The grain drying tower is an important grain drying equipment, which is used to dry high-moisture grains into grains with safe moisture. The horn box is an important part for distributing hot air or collecting and discharging moisture in the grain drying tower. Most of the angular boxes in the prior art are made of steel plates, and the angular boxes are two ends and a bottom open narrow and long groove body formed by a ∧ shape groove top and two parallel vertical groove walls. When the corner box is working, the hot air enters the inside of the corner box from the end of the air inlet corner box and is discharged from the bottom of the corner box. The hot air discharged from the bottom of the corner box can only be below the lower edge of the vert...

AI Technical Summary

Problems solved by technology

But in the actual use process, the two sides and the top of the angular box are full of grain, and the grain moving close to the angular box will block the exhaust screen hole. Therefore, the hot air discharged from the exhaust screen hole is very limited. In order to increase the exhaust The exhaust volume of the air sieve can only be achieved by increasing the opening ratio. However, increasing the opening ratio will reduce the strength of the steel plate, so that the angular box with the exhaust screen will be damaged by the surrounding air during use. The grain is extruded, deformed and damaged, and the angular boxes are densely arranged in the drying tower. The damage of one angular box will cause chain damage to other angular boxes, resulting in serious accidents. There are serious defects in the corner box of the hole, and it has not been applied and promoted in actual production

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