Pyrolysis dehydration and anaerobic fermentation coupling system

The utility model relates to a pyrohydrolysis dehydration coupling anaerobic fermentation system which mainly comprises an anaerobic reactor, a pyrohydrolysis reactor, a cooler, a centrifugal machine, a PAM dosing tank, a PAM dosing pump, an iron-based medicament dosing tank and an iron-based medicament dosing pump. The centrifugal machine has the beneficial effects that the PAM dosing box and the iron-based medicament dosing box are arranged, so that the polymerization of fine particulate matters can be promoted, the solid-liquid separation is promoted, and the solid capture rate of the centrifugal machine is improved; the generation of anaerobic fermentation is promoted, the biochemical reaction speed is increased, and the biogas yield is increased. 本实用新型涉及热水解脱水耦合厌氧发酵系统，主要装置包括厌氧反应器、热水解反应器、冷却器、离心机、PAM加药箱、PAM加药泵、铁系药剂加药箱和铁系药剂加药泵。本实用新型的有益效果是：本实用新型通过设置PAM加药箱和铁系药剂加药箱，可以促进细小颗粒物质的聚合，进行促进固液分离，提高离心机的固体捕捉率；并促进厌氧发酵的发生，提升生化反应速度以及增加沼气产量。