Water bath nitrogen blows appearance

The utility model discloses water bath nitrogen blows appearance, including the water bath, distributing device, the altitude mixture control support, high trimming part, blow the needle fixed plate,blow the needle, the water bath adopts the high -temperature and corrosion resistance glass material, the water bath is equipped with the metal frame outward, water bath tank is equipped with the sample frame, the water bath bottom is equipped with electric heater unit, be equipped with the control by temperature change key on the metal frame, it links to each other with the altitude mixture control support through high trimming part to blow the needle fixed plate, blow to be equipped with on the needle fixed plate and blow the needle through -hole, it is equipped with screw thread I in the needle through -hole to blow, it is equipped with the screw thread II that cooperatees and use with screw thread I to blow the needle upper end, it is equipped with the pneumatic control valve to blow the needle top. The utilit