Environment-friendly and corrosion-resistant type ventilating device special for laboratory
A technology of ventilation equipment and experimental equipment, which is applied in cleaning methods and utensils, dust removal, chemical instruments and methods, etc., can solve the problems that the accuracy of experiments is difficult to be guaranteed, so as to protect personal safety and health, and ensure safety and harmlessness The effect of precise adjustment of discharge and pressure
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Embodiment 1
[0055] Such as figure 1 As shown, a special ventilation equipment for an environment-friendly and corrosion-resistant laboratory includes a kiln body, including a fume hood, an experimental box is set on the top of the fume hood, an experimental cavity is set in the experimental box, and a resistant The corrosion-resistant coating or embedded layer is made of polytetrafluoroethylene.
[0056] Ventilation equipment is arranged on the upper part of the experimental box; the ventilation equipment includes a suction pipe, a self-filtering device and a non-contact wind pressure control device, one end of the suction pipe is connected to the experimental cavity, and the other end of the suction pipe is connected to Self-filtering device and non-contact air pressure control device.
[0057] Such as figure 2 As shown, the self-filtering device can suck the gas in the experimental cavity through the suction pipe; the self-filtering device includes a functional shell, and the air inl...
Embodiment 2
[0072] In this embodiment, the ventilation equipment communicates with the experimental cavity and the storage space of the experimental equipment respectively through the suction pipe, and the first suction valve is set on the suction pipe connected with the experimental cavity, and is connected with the storage space of the experimental equipment. A second suction valve is arranged on the suction pipe connected in space. The upper part of the experimental cavity is hemispherical, which can prevent experimental gas from accumulating at the upper corner of the experimental cavity. Such as Figure 6 As shown, the lower part of the fume hood is provided with an experimental equipment storage space, and several grid bars are respectively arranged on the upper top surface and the lower bottom surface of the experimental equipment storage space, and there is a clamping space between adjacent grid bars. ; A space partition can be inserted into the clamping space.
[0073] Conduit ...
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