It is reaction kettle for substances such as protein,fat, amino acid,peptide,sugar etc. after thermal reaction under high temperature ,to produce the substances full of strong and intense fragrance of cooked meat.And it is equipment specially for producing substances full of fragrance of cooked meat. It can be used as an autoclave or as a small preparation tank.The equipment has its appropriative blender group,and is attached by a condenser for heating and flow recycling.Jacket can be connected with steam for heating,with cooling water for quick cooling attached with heat insulation layer.