Judging the blockage of exhaust pipe of coffee roaster and the method of investigation and cleaning Yang family roaster roasting coffee
How can we detect the occurrence of tube blockage in the roaster? When you find that one or more of the following symptoms appear, it is that obstruction may have occurred!
1. The heating rate deviates from the normal, and the temperature in the middle of the baking begins to rise faster than usual, and the more the tail, the greater the deviation.
two。 It tastes sweet, but it tastes like a mist.
3. Lack of clean brightness (brightness) tends to one of the following: a sweet, dull taste or a strong acidity on both sides of the tongue.
4. Some aromas can be smelled when they are ground (dry), but not in the mouth.
5. With salty taste, the plot ranges from very small to very obvious. The salty taste can be easily detected by using Espresso Cupping.
6. There is an unclean miscellaneous or astringent taste.
What should we do when we find that there may be symptoms of pipeline obstruction? Here are the cleaning steps you should take:
1. Stop work and flameout immediately and wait for the roaster to cool completely to room temperature.
two。 Remove and remove all exhaust pipe paths, gradually confirm whether there is blockage in the following units: roaster body (exhaust path, air door, fan blade), dust collection bucket (upper layer, middle layer, around funnel), all air duct paths (especially at turning points or diameter changes), static motor (air inlet and outlet, filter net, pole plate, exhaust fan), outdoor chimney line. All the places where the waste gas will pass need to be dismantled and checked.
3. Will block, hyperplasia dandruff place, regardless of the seriousness of the plot, all thoroughly clean.
4. After installation, the return to zero baking test program is carried out, and the new baking data is recorded according to the results of the return to zero test.
5. Set up the baking counter, return to zero and begin to record the number of baking ovens after cleaning.
6. In the cleaning operation, it is possible to use non-depilating towels, avoid using hard brushes, and pay attention to the integrity of the rubber band at the link during installation.
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