Liquid heating device and heating method for blood purification

The invention discloses a liquid heating device for blood purification and a heating method.The heating device comprises a heating shell, a cover and a heating bag, a storage cavity used for storing the heating bag is formed in the heating shell, a heating plate is arranged in the storage cavity, and the cover is rotationally connected with the heating shell; an elastic compression mechanism used for keeping the heating bag attached to the heating plate is arranged on the side face, close to the heating shell, of the cover body. The elastic compression mechanism on the cover body keeps the heating bag tightly attached to the heating plate, so that the heat transfer effect is improved, the liquid heating process is accelerated, the pre-filling time can be shortened, two kinds of liquid are heated at the same time, and liquid medicine can be heated in various treatment modes. 本发明公开了一种血液净化用液体加热装置和加热方法，加热装置包括加热壳体、盖体和加热袋，所述加热壳体内设置用于存放加热袋的存放腔，在存放腔内设有加热板，盖体与加热壳体转动连接，在盖体靠近加热壳体的侧面上设置用于保持加热袋与加热板贴合的弹性压缩机构；本发明过盖体上的弹性压缩机构