The invention provides a small inoculation trolley for aseptic operation. The small inoculation trolley comprises a portable trolley, a shell and an aseptic inoculation table, wherein part of a front-side shell body of the aseptic inoculation table is made from a transparent material, two circular operating holes are formed in the shell body made from the transparent material, soft curtains are arranged at the two sides of the shell, a fuel bottle is arranged at the left end of a front side face of the shell, a ventilation hole is formed in the middle of the aseptic inoculation table, a fuel nozzle is arranged at the upper side of the ventilation hole, a sparking switch is arranged on a front side face of the shell, a battery pack is arranged at the right end of the front side face of the shell, an air blower is arranged at the lower end of the ventilation hole, an air volume switch is arranged at the right side of the sparking switch, a filtering membrane is arranged between the air blower and the fuel nozzle in the ventilation hole, a cover plate is arranged on the aseptic inoculation table, and a test tube storage box is arranged at the lower part of the aseptic inoculation table. The small inoculation trolley for aseptic operation, provided by the invention, can be used outside a laboratory, the operation is convenient and fast, and an aseptic environment can be better created.

Small inoculation trolley for aseptic operation

The invention discloses a device for preventing harm of formaldehyde to teaching staff during anatomy. The device comprises a box body with five open surfaces, wherein a formalin solution is accommodated in the box body; and an anatomy table for holding a body is arranged above the liquid surface of the solution, which is close to the upper opening of the box body. the device is characterized in that a transparent sealing cover covers the box body; at least three operating sleeve holes are formed in one of the two side surfaces of the sealing cover in the length direction; at least one operating sleeve hole is formed in one of the two side surfaces of the sealing cover in the width direction; a negative pressure outlet is formed in one side surface between the liquid surface of the formalin solution and the anatomy table in the box body; and the negative pressure outlet is communicated with a negative pressure device.

Device for preventing harm of formaldehyde to teaching staff during anatomy

The utility model discloses a novel super-clean inoculation device for the edible mushroom, mainly comprising an inoculation box. The inoculation box is provided with an operation opening. The bottom of the inoculation box is provided with a flame air filter. The top of the inoculation box is provided with an air exhausting fan. The flame air filter comprises a furnace body. The furnace body is connected with the inoculation box through an airflow expansion funnel. The interior of the furnace body is provided with a furnace bridge. The lower part of the furnace body is provided with an air volume regulating plate. The middle part of the furnace body is provided with an airflow diffusion plate. The airflow diffusion plate is distributed with small holes. The interior of the operation opening is provided with a pair of long-sleeve latex gloves. As the inoculation box of the device adopts the complete sealing structure and is additionally provided with the flame air filter and an air exhausting fan, the flame kills the impure bacteria in the air, the impure bacteria is exhausted through the air exhausting fan, and the clean state of the inoculation box is held.

Novel super-clean inoculation device for edible mushroom

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Novel super-clean inoculation device for edible mushroom