Device for estimating gas absorbent

The utility model provides a device for estimating absorbent, comprising a gas adsorption part and an output display part. The gas adsorption part comprises an adsorption air bottle, a pressure-reducing valve, an effusion meter, a pre-adsorption tank, a big and a small adsorption tanks and a backpressure valve. The big adsorption tank is inserted with an electric thermocouple. The output display part comprises a chromatograph, a computer display recorder and a printing device. The device can evaluate the adsorbability of adsorbent to various gases and finish various adsorbability experiment, having the advantages of compact structure, high usage of the pipe fittings and apparatus, optimized process and simple operation.