Chain plate circulating type air supply mechanism of tea withering and drying machine and working method of air supply mechanism

Abstract

The invention relates to an air supply mechanism and a working method of a chain-plate circulation type tea withering dryer, comprising a hot blast stove and a withering and drying room connected to the hot blast stove through an air supply pipe. The withering and drying room is equipped with a A conveyor belt for tea leaves to be withered and dried, the conveyor belt includes conveyor chains on both sides and conveyor plates located between the conveyor chains on both sides, and a hot gas discharge pipe is arranged horizontally between the upper and lower layers of the conveyor belt. The hot gas discharge pipe is provided with air outlet holes, two of which are arranged in the same length direction of the hot gas discharge pipe, and are symmetrical to the vertical plane of the center line of the superheated gas discharge pipe. Penetration to the withered drying material; the temperature of the drying layer is more uniform, and changes with the change of humidity, the higher the humidity, the higher the temperature, which improves the drying effect and reduces the energy loss at the discharge port; slows down the wind pressure, It prevents the drying objects from flying all over the sky, and prevents the drying objects from blowing onto the guide rails and being crushed, avoiding the burning of carbides and improving the safety performance of the equipment.

Description

[0001] Technical field: [0002] The invention relates to an air supply mechanism and a working method of a chain plate circulation type tea withering dryer. [0003] Background technique: [0004] The tea dryer is used to dry the tea leaves. There are many kinds of dryers at present. The hot air of some traditional dryers is blown from the hot air stove to the rear and lower part of the dryer through the air supply channel. The existing defects are : The temperature in the drying room is uneven; the wind pressure is high; the energy loss at the discharge port is large, and at the same time, the dried product will fly all over the sky, and it will be easily crushed when blown on the guide rail, and there will be hidden dangers to the safety of the equipment. In addition, the traditional dryer transmission mechanism is to fix one end of the conveying plate on the chain with a single pin on both sides, and the other end is dragged by the guide rail until there is an open groove...

AI Technical Summary

Problems solved by technology

[0004] The tea dryer is used to dry the tea leaves. There are many kinds of dryers at present. The hot air of some traditional dryers is blown from the hot air stove to the rear and lower part of the dryer through the air supply channel. The existing defects are : The temperature in the drying room is uneven; the wind pressure is high; the energy loss at the discharge port is large, and at the same time, the dried product will fly all over the sky, and it is easy to be crushed when it is blown on the guide rail, and there will be hidden dangers to the safety of the equipment

In addition, the traditional dryer transmission mechanism is to fix one end of the conveying plate on the chain with a single pin on both sides, and the other end is dragged by the guide rail until there is an open groove at the end of the guide rail, and the conveying plate is dragged to the groove downward. The drying material of the turning plate falls into the lower layer, and the existing defects are: the conveying plate will make a lot of noise when it is dragged to the groove and turned downwards, which may easily cause the motor to crash in reverse. It is also easy to cause tea clipping and bridging.

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