How to select coffee beans with a vibrating screen? What is the skill of picking beans?
I saw on the Internet yesterday that someone asked if the vibrating screen could screen peanuts and coffee beans, and the answer was yes. In the following, some problems and solutions of vibrating screen in screening these two materials are discussed.
First of all, customers need to know the number of peanuts and coffee beans, and then choose the appropriate sieve, which is like screening peanut and coffee beans.
Secondly, it depends on the output of the customer to decide which type of machine to choose, such as rotary vibrating screen or linear vibrating screen and other screening equipment. All kinds of equipment have their own advantages. In the case of large handling capacity, the linear vibrating screen can be selected. Take the linear vibrating screen for example, the linear vibrating screen uses two special vibrating motors as the exciting source, so that the material is thrown on the screen surface and moves forward in a straight line at the same time. The material smaller than the sieve hole goes through the sieve hole and falls to the lower layer through the sieve hole, and after continuous jumping, it flows out through the outlet to complete the material classification operation. And can be stacked multi-layer screen, can screen a number of grades. For example, if the first layer is used to remove the large sundries in peanuts, peanuts fall to the second layer through the screen, and the peanuts larger than the second layer can run continuously to the outlet along the vibration force of the screen, and screen out the required level. impurity powder less than the number of mesh can be discharged in the third layer.
By the same token, the same applies to screening coffee beans. And compared with other screens, SZZ series linear vibrating screen has the advantages of high screening accuracy, simple structure, convenient maintenance, low energy consumption, low noise, good sealing, favorable environmental protection, replaceable many kinds of screen, long service life and so on.
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Analysis of the processing steps of coffee beans how to determine the baking degree of coffee beans?
1. Peeling removes the peel and most of the flesh by mechanical or manual means. two。 Fermentation removes the mucus and film from the core by fermentation. as the length of fermentation time will affect the flavor of coffee, each manufacturer has its own fermentation time. 3. The drying method is mainly divided into natural sun drying and natural air drying. Excessive water content can easily lead to mildew and insect growth of raw coffee beans.
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Note: caffeine is higher than shallow roasted beans.
The melting point of caffeine is as high as 237 degrees Celsius, so the roasted caffeine is almost completely retained and dissolved in the cup. People often mistakenly think that the caffeine of deep roasted beans is lower than that of shallow roasted beans, but the fact may be just the opposite. due to the high rate of dehydration and weight loss of deep roasted beans, it is necessary to brew coffee with more coffee beans, resulting in drinking more caffeine, so the caffeine of deep roasted beans is higher than that of shallow roasted beans.
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