一种滚筒式茶叶烘干设备
By using an independent hot air circulation and dehumidification system, the problem of low hot air utilization in existing drum-type tea drying equipment has been solved, achieving efficient and uniform tea drying results, avoiding tea dust clogging and scorching, and improving drying quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 林清矫
- Filing Date
- 2025-07-07
- Publication Date
- 2026-07-17
AI Technical Summary
Existing drum-type tea drying equipment performs hot air drying and dehumidification simultaneously, resulting in low hot air utilization and easy clogging and scorching of tea dust.
It adopts an independent hot air circulation device and dehumidification system. The hot air is recycled through the first hot air circulation device, which operates independently of the dehumidification system. A humidity sensor is installed on the drying drum to control the opening of the dehumidification fan. The first and second hot air circulation devices are set in the axial direction of the drying drum to improve the uniformity of hot air.
It improves the utilization rate of hot air, prevents tea dust from clogging and scorching, enhances drying efficiency and quality, and achieves more efficient tea drying through humidity control.
Smart Images
Figure CN224517246U_ABST
Abstract
Claims
1. A drum-type tea drying equipment, comprising a housing, a drying drum, and a hot air circulation device, wherein a sealed chamber is formed inside the housing, the drying drum is rotatably mounted in the sealed chamber via a drum drive mechanism, the drying drum has an inlet end and an outlet end at both axially upward ends, a plurality of sieve holes are formed on the surface of the drum wall, and the front end of the housing has an inlet corresponding to the inlet end of the drying drum, characterized in that: The hot air circulation device includes a hot air duct, a heating element, a return air duct, and a circulating fan. The air inlet of the hot air duct is connected to the feed end of the drying drum, the return air outlet of the return air duct is connected to the sealed chamber, and the other end of the return air duct is connected to the other end of the hot air duct through the circulating fan. The heating element is installed inside the hot air duct. The top of the housing is provided with a vent that communicates with the sealed chamber, and a venting fan is installed at the vent. The bottom of the housing is also provided with a tea dust outlet, and a tea dust discharge door is installed at the tea dust outlet.
2. A drum-type tea drying apparatus as claimed in claim 1, characterized in that: A humidity sensor is installed on the drying drum.
3. A drum-type tea drying apparatus as claimed in claim 1, characterized in that: A feeding hopper is installed at the feeding inlet, and a tea leaf elevator is provided on the side of the feeding hopper; a feeding gate is also installed at the feeding inlet.
4. A drum-type tea drying apparatus as claimed in claim 3, wherein: The air inlet of the hot air duct passes through the feed hopper and enters the feed end of the drying drum.
5. A drum-type tea drying apparatus as claimed in claim 1 or 4, wherein: It also includes a second hot air circulation device. The first hot air circulation device and the second hot air circulation device are respectively located on the front and rear sides of the drying drum along its axial direction. The second hot air circulation device includes a hot air box, a second heating element, a second return air duct, and a second circulating fan. The hot air box is installed on the sealed chamber corresponding to the rear section of the drying drum. The second heating element is installed inside the hot air box. An air inlet blade is provided between the hot air box and the sealed chamber. The return air inlet of the second return air duct is connected to the upper part of the sealed chamber. The other end of the second return air duct is connected to the hot air box through the second circulating fan.
6. A drum-type tea drying apparatus as claimed in claim 3, wherein: The housing is equipped with a discharge box corresponding to the discharge end of the drying drum, and the bottom of the discharge box is provided with a discharge door.
7. A drum-type tea drying apparatus as claimed in claim 6, characterized in that: An observation window is also provided on the side of the discharge box.