老化房广泛用于各类工业和日常生活中，老化房利用机械力和重力等，将两种或两种以上物料均匀混合起来的机械，老化房可以将多种物料配合成均匀的混合物、如将水泥、砂、碎石和水混合成混凝土湿料等,还可以增加物料接触表面积，以促进化学反应;还能够加速物理变化，例如粒状溶质加入溶剂，通过老化房的作用可加速溶解混匀!
Aging rooms are widely used in various industries and daily life. Aging rooms use mechanical force and gravity to mix two or more materials evenly. Aging rooms can mix many kinds of materials into uniform mixtures, such as cement, sand, gravel and water into wet concrete, and can also increase the contact surface area of materials to promote chemical reaction. Rapid physical changes, such as the addition of solvents to granular solutes, can accelerate the dissolution and mixing through the aging chamber.
气体和低黏度液体老化房的特点是结构简单，且无转动部件，维护检修量小，能耗低。这类老化房又分为气流搅拌、管道混合、射流混合和强制循环混合等四种。
Gas and low viscous liquid aging room is characterized by simple structure, no rotating parts, low maintenance and low energy consumption. This kind of aging room can be divided into four types: air mixing, pipeline mixing, jet mixing and forced circulation mixing.
常用的老化房分为气体和低粘度液体混合器、中高粘度液体和膏状物老化房、热塑性物料混合机、粉状与粒状固体物料老化房四大类。
The commonly used aging rooms are divided into four categories: gas and low viscosity liquid mixer, medium and high viscosity liquid and paste aging room, thermoplastic material mixer, powder and granular solid material aging room.
中、高黏度液体和膏状物的老化房，一般具有强的剪切作用;热塑性的物料混合机主要用于热塑性物料{如橡胶和塑料}与添加剂混合;粉状、粒状固体物料老化房多为间歇操作，也包括兼有混合和研磨作用的机械，如轮辗机等。 混合时要求所有参与混合的物料均匀分布。混合的程度分为理想混合、随机混合和完全不相混三种状态。各种物料在老化房中的混合程度，取决于待混物料的比例,物理状态和特性，以及所用老化房的类型和混合操作持续的时间等因素!
Aging rooms for medium and high viscous liquids and pastes generally have strong shearing effect; thermoplastic material mixers are mainly used for mixing thermoplastic materials {such as rubber and plastics} with additives; Aging rooms for powdered and granular solid materials are mostly intermittent operations, including machines with mixing and grinding effects, such as rolling machines. When mixing, all materials involved in mixing should be evenly distributed. The degree of mixing can be divided into three states: ideal mixing, random mixing and completely incompatible. The mixing degree of various materials in the aging room depends on the proportion of materials to be mixed, the physical state and characteristics, the type of aging room used and the duration of mixing operation.