Novel air guide laboratory fume hood

Abstract

The invention provides a novel air guide laboratory fume hood. The novel air guide laboratory fume hood comprises a cabinet body, a door plate arranged at the bottom of the cabinet body, a test bed isarranged in the middle of the cabinet body, the test bed and the cabinet body are enclosed to form a test cavity, an air guide pipe path and a centrifugal fan are arranged at the top of the cabinet body, air flow is discharged outwards through the air guide pipe path by the centrifugal fan, the air guide pipe path comprises an air guide main path and air guide branches, the centrifugal fan is contained in the air guide main path, the air guide main path communicates with the air guide branches, one end of the air guide main path is connected with an exhaust pipe, the other end of the air guide main path extends into the test cavity, the air guide branches are connected to the two sides of the air guide main path correspondingly, one ends of the air guide branches communicate with the airguide main path, the other ends of the air guide branches extend into the test cavity, air guide covers are arranged at the ends of the air guide branches, a louver is arranged on the side of the cabinet body, and the louver is located on the side of the test cavity. According to the novel air guide laboratory fume hood, the air flow in each operation test position in the test cavity is ensured tobe guided and collected, and the air guide effective area and the air guide performance of the laboratory fume hood are improved.

Description

technical field [0001] The invention relates to the technical field of laboratory test equipment, in particular to a novel air-guiding laboratory fume hood. Background technique [0002] The fume hood is a laboratory operating table for laboratory office staff to engage in experimental research work, and it is an indispensable part of laboratory ventilation design. In order to prevent laboratory workers from inhaling some toxic, pathogenic or unknown toxic chemicals and organisms, there should be good ventilation in the laboratory. Therefore, the laboratory often uses a fume hood to remove the exhaust gas in the laboratory, which belongs to the local exhaust equipment of the laboratory exhaust system. However, the ventilation effect of the existing fume hood is relatively poor. If part of the exhaust gas cannot be discharged to the outside through the fume hood in time, it will bring health hazards to the operation of the experimenter. Contents of the invention [0003] ...

AI Technical Summary

Problems solved by technology

However, the ventilation effect of the existing fume hood is poor. If part of the exhaust gas cannot be discharged to the outside through the fume hood in time, it will bring health hazards to the operation of the experimenter.

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