A pollution-proof sealing device for bio-agent filling

Abstract

The utility model provides a kind of for biological preparation filling's anti-pollution sealing device, belong to biological preparation filling technical field, including storage tank, the upper surface right side of storage tank is provided with inlet valve, the inside left end of storage tank is fixedly provided with vertical plate, the central installation of vertical plate has electric telescopic handle, the output end of electric telescopic handle is installed with piston plate, the bottom surface right side of storage tank is provided with filling assembly, filling assembly includes drain valve pipe, dosing cylinder, air extraction valve pipe, vacuum pump and perfusion valve pipe, drain valve pipe is provided with in the bottom surface right side of storage tank, the bottom of drain valve pipe is provided with dosing cylinder, dosing cylinder's right side surface top is provided with air extraction valve pipe;The utility model because gas in dosing cylinder is extracted, biological preparation in storage tank is discharged into dosing cylinder by drain valve pipe, air cannot enter storage tank, prevent biological preparation in storage tank from being contaminated by bacteria in air.

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