双层复合纳米绝热板

双层复合纳米绝热板绝热原理：
Thermal insulation principle of double-layer composite nano insulation board：

热量的传播有以下三种途径：热传导、热对流和热辐射。
The three ways of heat transmission are as follows:
1、热传导：是指热量通过直接接触的物体，从温度较高部位传递到温度较低部位的过程。物体的导热系数是影响热传导的主要因素，导热系数越小，传导的热量就越少。
2、热对流：是指热量通过流动介质，由空间的一处传播到另一处的现象。介质流动的快慢和流量的大小是影响热对流的主要因素，流量越小，流动越慢，传播的热量就越少。
3、热辐射，是指高温热源以辐射红外线等形式向低温热源传热。红外线的辐射量是影响热辐射的主要因素，辐射量越小，传播的热量也就越少。
1. Thermal conduction is the process in which heat is transferred from the higher temperature part to the lower temperature part via the objects in direct contact. The thermal conductivity of an object is the major factor that influences thermal conduction. The lower the thermal conductivity, the less the conduction of heat.
2. Thermal convection refers to the phenomenon in which heat is transmitted from one part of the space to another via the flowing medium. The principal factors that affect thermal convection are the flow velocity of the medium and the flow rate. The smaller the flow rate, the slower the flow, the less the transmitted heat.
3. Thermal radiation means the transfer of heat from a high-temperature heat source to a low-temperature heat source in the form of infrared radiation. The dominant factor influencing thermal radiation is the amount of infrared radiation. The smaller the amount of radiation, the less the transmitted heat.

从热传播的三个途径分析双层复合纳米绝热板的绝热原理：
The thermal insulation principle of the double-layer composite nano insulation board is analyzed from three ways of heat propagation:
1、热传导：由于物体的导热系数是影响热传导的主要因素，而双层复合纳米绝热板所用材料的导热系数比传统保温材料的导热系数要低很多， 所以保温效果也要好很多。
2、热对流：由于介质流动的快慢和流量的大小是影响热对流的主要因素，而双层复合纳米绝热板所选材料由于颗粒细小，致使颗粒间结构致密，形成很小的密闭的空气腔，空气腔内空气很难流动，因此不易发生热对流。
3、热辐射：由于红外线的辐射量是影响热辐射的主要因素，而双层复合纳米绝热板中的金属箔对红外线具有很好的反射作用，有效的阻止了热量的辐射。
1. Thermal conduction: The major factor affecting thermal conduction is the thermal conductivity of the object, and the thermal conductivity of the material used in the double-layer composite nano insulation board is much lower than that of the traditional thermal insulation material, so the double-layer composite nano insulation board has a better thermal insulation effect.
2. Thermal convection: The principal factors that affect thermal convection are the flow velocity of the medium and the flow rate, and the material of the double-layer composite nano insulation board has a compact inter-particle structure due to the fine particles, forming the small, airtight air cavity. The air in the cavity is extremely difficult to flow, so thermal convection is not easy to take place.
3. Thermal radiation: The dominant factor influencing thermal radiation is the amount of infrared radiation. The metal foil in the double-layer composite nano insulation board has an excellent reflection effect on infrared rays, efficaciously keeping back the radiation of heat.

双层复合纳米绝热板与传统保温材料导热系数的比较：
Comparison of thermal conductivity between double-layer composite nano insulation board and traditional insulation materials:

双层复合纳米绝热板产品说明
Product description of double-layer composite nano-insulation board：

　

双层复合纳米绝热板在实际生产中的应用：
Application of double-layer composite nano-insulation board in iron and steel industry

可应用在钢水包、中间包、加热炉、铁水罐等。

钢水包 Ladle 1.双层复合纳米绝热板在钢包中的使用中，可以减少钢包热损失，进而减少钢水结壳。大幅提高钢包内壁温度，使钢包内钢水温度差减少，从而提高钢的品质。同时还减少钢包烘烤时间，节约能源。减少保温层厚度，增加钢包有效容量，有效防止溢渣溢钢，可以大幅度降低钢包外壁温度，减少包壳变形，改善工人作业环境。

1. The use of the double-layer composite nano insulation board in the steel ladle can cut down the heat loss of the steel ladle, thereby decreasing the incrustation of liquid steel. The temperature of the inside wall of the steel ladle is dramatically enhanced, so that the temperature difference of the liquid steel in the steel ladle is decreased, thereby enhancing the quality of the steel. Meanwhile, the baking time of the steel ladle is reduced and the energy is saved. The decrease of the thickness of the thermal insulating layer, the increase of the effective capacity of the steel ladle, and the efficacious prevention of the overflow of slag and steel can sharply lower the temperature of the outer wall of the steel ladle, reduce the deformation of the cladding, and ameliorate the operating environment of workers.

工作层。Working lining. 长久层。Safety lining. 复合纳米绝热层。Compound nanometer heat insulation plate. 包壳。Steel casing 保温砖。Insulation bricks . 钢包复合纳米绝热层与保温砖绝热层效果说明 Description of effect of ladle composite nano-insulation layer and insulation brick insulation layer. 改用复合纳米绝热板后钢水的温度提升了10°C。 改用复合纳米绝热板后钢包容积增大了4.8吨。 改用复合纳米绝热板后钢包外壁温度降低了65°C The temperature of molten steel increased by 10 ° C after sweiching to composite nano-insulation board. After switching to composite nano-insulation board the ladle volume increased by 4.8 tons. After switching to composite nano-insulation board, The temperature of the outer wall of the ladle decreased by 65 °C

中间包 Tundish 2．双层复合纳米绝热板在中间包的使用中，可以缩短中间包的烘烤时间，节约能源。减少温度波动，提高浇注质量。大幅降低中间包外壳温度，减少外壳变形，改善工人操作环境。 2. The use of the double-layer composite nano insulation board in the tundish can cut down the baking time of the tundish and conserve energy. The temperature fluctuation is reduced and pouring quality is enhanced. The temperature of the tundish shell is significantly decreased, the deformation of the shell is reduced, and the operating environment of workers is ameliorated.

铁水包 Iron ladle 3.双层复合纳米绝热板在铁水包的使用中,可以减少铁水在运输过程中的热量损失，提高铁水到达钢厂时的温度。降低外壳温度，提高使用寿命。 3. The use of the double-layer composite nano insulation board in the hot-metal ladle can lessen the heat loss of the liquid iron during transport and enhance the temperature of the liquid iron when it arrives at the steel plant. The temperature of the shell is lowered and the service life is enhanced.

加热炉 Heating furnace 4.双层复合纳米绝热板在高炉、加热炉、热风管道的使用中，可以减少热量损失，节约能源。降低壳体温度，减少壳体变形。提高热风炉和热风管道的使用寿命。 4. The use of the double-layer composite nano insulation board in the blast furnace, heating furnace, and hot air duct can cut down heat loss and conserve energy. ?The shell temperature is decreased and the shell deformation is reduced. The service life of the hot-air furnace and hot air duct is increased.

　

1. During the production process of electrolytic aluminum, the application of the double-layer composite nano insulation board in the electrolytic cell can efficaciously lessen the heat loss in the cell, prevent the incrustation of the molten aluminum, and reduce the deformation of the electrolytic cell shell, thus lowering the working voltage of the electrolytic cell to achieve electrical energy saving.

铝水包 Aluminum water bag 2.在铝水包的应用中，可以降低包壳外壁温度，减少包壳变形。降低铝液在运输过程中的热损失，减少铝液结壳，提高运输距离。 2. In the application of the molten aluminum ladle, the temperature of the outer wall of the cladding can be lowered and the deformation of the cladding can be decreased. The heat loss of the molten aluminum during transport is cut down, the incrustation of the molten aluminum is reduced, and the transport distance is increased.