In today's society, fruit waxing is more and more favored by fruit merchants. The main purpose of artificial waxing of fruits is preservation and preservation. In general, seasonal fruits and local fruits do not use edible wax, while off-season fruits and imported fruits require long-term storage and long-distance transportation, and most of their surfaces use edible wax to keep fresh.
Waxing fruits is an internationally allowed method of preservation. In developed countries and regions such as the United States, Japan, and Europe, there are mature processes and regulations for waxing fruits. Edible wax is an extract of natural wax from animals and plants. Fruit itself will naturally form this substance. Its safety has been evaluated. Therefore, it is theoretically safe to use edible wax on the skin of fresh fruit. Fruit waxing is mainly for the sake of selling. Take oranges as an example. The surface of the oranges just picked from the tree is dusty. Generally, fruit farmers will use the machine to clean them before waxing, so that the fruits sell well and the selling price is high. Many fruits are waxed. Such as citrus, orange, chestnut, etc. It is understood that some large-scale citrus processing companies have a device called a "fruit washing and waxing machine", which automatically cleans, disinfects, waxes and dries after the oranges are screened. Let's take a look at the application of photoelectric liquid level sensor in fruit washing and waxing machine.
Generally, a fruit washing and waxing machine is composed of the following 6 parts.
1. On-line hoist
Responsible for fruit online buffering, even fruit lifting and conveying, and proper flipping of the fruit to manually sort out the damaged fruit.
2. Washing machine
Responsible for multiple flexible fruit cleaning, low-temperature drying and dehydration, flexible waxing and even waxing.
3. Dryer
Responsible for low-temperature drying and solidification of the wax after waxing the fruit.
4. Classifier
Responsible for grading fruits according to size.
5. Control system
Responsible for the coordinated actions and safety protection of the electromechanical equipment across the line.
To sum up, in the second part of the dryer, both cleaning and waxing are needed. These liquids require liquid storage tanks. We need to detect when the cleaning agent and waxing agent are used up. If the machine is started , The waxing agent is used up, but the machine is still running, not only is it prone to equipment failure, but also wastes a certain amount of manpower and material resources.
