Portable field purifies kettle

The utility model discloses a portable field purifies kettle, include: first cavity, during first cavity was located to second cavity, its cover, the upper end of second cavity was sealed and the lower extreme has the opening, and formed an accommodation space between first and second cavitys, filter equipment, it is radially fixed in the second cavity along the second cavity, and, the pressing element, it is including advancing the member and connecting at the pressurizing part who advances member one end, and pressurizing part sets up in the second cavity and lies in filter equipment's top, and pressurizing part's peripheral inner wall in close contact with with the second cavity sets up, and pressurizing part is made by elastic material, advances the other end of member to extend outside the second cavity, wherein, when providing the decurrent power of axial of following the second cavity to the propulsion member, pressurizing part moves down along the inner wall of second cavity to force liquid flow in the second cavity through filter equipment and in getting into the accommodation space. The utility model discloses conveniently carry, purification efficiency is high, the facilitate promotion.