1. Drying of bamboo sun
In order to ensure the quality of drying, prevent the color of the bamboo sun from darkening during the drying process, and ensure that the dryness meets the requirements, the following steps are used:
The first stage
The temperature is controlled at 40~45℃, the wind speed is 1000 rpm, and the time spent at this stage is 2h.
Second stage
The temperature is controlled at 50~60℃, the wind speed is 1000 rpm, and the time spent at this stage is 2h.
The third stage
The temperature is controlled at 45~50℃, the wind speed is 1000 rpm, and the time spent at this stage is 2h.
Bake back
In order to ensure the quality of bamboo and sun in the future and not easy to change color, it will be dried on the second day after a night of moisture recovery. The temperature is controlled at 45~50℃ and the wind speed is 1000 rpm. According to the situation, the time spent at this stage is controlled at 1~2h, when the water content is at 10%~13%, it can be.
2. Packaging and storage of bamboo sun
Dry product classification
After half an hour after the baking is completed, the packaging of the dried bamboo sun products can start when the temperature of the dried bamboo sun products reaches the external temperature. The packaging is graded and put into the bag according to the size, appearance, and completeness of the dried products.
Normal packaging
The dried bamboo sun products are graded and packaged under normal conditions, using transparent food-grade polyethylene bags. This method is fast in packaging, but it is not resistant to storage.
Vacuum packaging
The purchase of a vacuum packaging machine is carried out. After packaging, this method affects the intuitiveness of bamboo sun's viewing, but it is resistant to storage.
storage
After packaging, it should be stored in a space of 15~20℃ in time. In order to prevent discoloration, it should be stored in the dark.