1. Fumaric acid fluidized bed boiling drying granulator background technology



Fumaric acid is mainly used in food products for the processing of meat products and fish products. Fumaric acid can be used as an acidity regulator, an acidifier, an antioxidant builder, a curing accelerator, and a fragrance. This product has a strong buffering effect to keep the aqueous solution at pH 3.0, and has an important effect on bacteriostatic and mildew resistance. At the same time, it has astringent taste and is one of the strongest acid acids, with low absorption rate and help. Extend the shelf life of powdered products, etc. When fumaric acid is changed to sodium fumarate, the water solubility and flavor are better.

The fluidized bed granulator is a granulating device developed on the basis of a fluidized bed dryer to complete the mixing, granulating, coating and drying processes of powdery materials in the same equipment. At present, the fluidized bed granulator has three processes of top spray, bottom spray and side spray to meet different process requirements such as granulation, coating and multi-layer coating. The fluidized granulating devices of the three processes are different, but different process operations can be performed by replacing different fluidized granulating devices on the same main equipment (ie, the inlet and outlet air systems, the control system are the same, the top spray, the bottom) The spray and side spray granulating devices are different. The side spray of the fluidized bed granulator is the same as the top spray and the bottom spray. It is operated by pneumatic clamping or airbag sealing and air inlet chamber and filter chamber (which is composed of the inlet and outlet air system). The parts are connected into a closed space for negative pressure operation.