The utility model relates to a detachable extraction device and an extraction barrel thereof.The structure of the extraction barrel includes a rotatable filter barrel,Filter bags and platens,The filter bag can be sleeved into the filter barrel.The bag opening edge of the filter net bag has a reverse folding edge which can be sleeved on the outer wall surface of the bucket opening of the filter bucket；The pressing plate can be placed in the filter bag and press the bottom surface of the filter bag on the inner bottom surface of the filter barrel；The filter barrel and the filter mesh bag are driven and rotated by a driving mechanism of the extraction device.Used to extract extracts from liquid mixtures containing large amounts of water or liquid,The new filter bag can be reliably fixed in the filter barrel by pressing the pressing plate and the back fold edge of the filter bag.It will not loosen or deform due to strong eddy current during extraction.The filter mesh bag in the extraction barrel can be cleaned or replaced easily.It has the advantages of sanitation and convenient use.一種易拆換之萃取裝置及其萃取桶，其中萃取桶的構造包括：可旋轉的過濾桶、過濾網袋和壓板，其中過濾網袋可以套入過濾桶之中，過濾網袋的袋口邊緣具有一反摺邊可以套在過濾桶的桶口外側壁面；壓板可以置入過濾網袋並將過濾網袋的底面壓制於過濾桶的內側底面；其中過濾桶和過濾網袋由萃取裝置的一傳動機構帶動旋轉，用於從含有大量水分或液體的液態混合物中萃取出萃取物，本新型的過濾網袋可以藉由壓板的壓制以及過濾網袋的反摺邊可靠地固定在過濾桶之中，不會在萃取過程因為強勁的渦流而鬆脫或變形，萃取桶中的過濾網袋可以方便地清洗或是更換，具有衛生及使用便利的優點。
