This product has been training four sizes (less than or greater than the specifications can be designed): the ZH-3000A/B and the ZH-5000A/B and the ZH-7000A/B and the ZH-9000A/B (air capacity is 3000, 5000, 7000, 9000m3/h), divided into type a and type b and eight products. Type a single tank series, suitable for batch adsorption, regeneration; b for double tank series, suitable for continuous adsorption and regeneration.