| abstract |
The invention discloses a soil organic matter extraction device, comprising a base, an annular filter body I, an annular casing, a sealing mechanism, a collection tank and a pressing mechanism. The base is provided with an annular casing and an annular casing The annular filter body I in the body, an annular cavity is formed between the annular filter body I and the annular housing, and a retractable closing mechanism is provided in the annular cavity for closing the annular filter body I The outer peripheral surface of the base, the lower end of the base is provided with a collection groove, the base is provided with a number of channels I for the annular cavity to communicate with the collection groove, and the extrusion mechanism is arranged above the middle of the annular filter body I, Compared with the prior art, it can save time, improve work efficiency and reduce costs. |