Corrosive gas test box

The utility model relates to a corrosive gas test box which is used for environmental test. The corrosive gas test box comprises a gas mixing chamber, a test box body, an absorbing tower and the like, wherein the gas mixing chamber is connected with a gas source and the text box body through a flow meter, so that concentration of corrosive gas can be conveniently controlled; the upper part and the lower part in the text box body are provided with a stirring fan respectively; the concentration of the corrosive gas is kept uniform through stirring; a water condenser and a heater are arranged at the bottom in the box body; the front part of a panel of the box body is provided with a control box and an industrial control microcomputer; the absorbing tower is connected with a gas discharge pipeline of the test box body through the flow meter and an extraction pump; the bottom of the absorbing tower is provided with a corrosion-resistant pump; an outlet pipe and a compressed air pipeline of the corrosion-resistant pump are connected with an atomizer in the absorbing tower; and two porous absorbing plates are also arranged in the absorbing tower to isolate the atomizer from other parts of the absorbing tower, so that the absorption effect of the corrosive gas can be enhanced, and alkaline gas spray can be prevented from being discharged to atmosphere.