Analyze the function and principle of heat insulation clothing
Release time:
2022-11-28
As an important labor protection equipment, heat insulation clothing is widely used in petroleum, chemical, metallurgy, glass and other industries. Especially for some high-temperature pre-furnace jobs, heat insulation clothing is an indispensable protective clothing. so how many degrees can heat insulation clothing?
As an important labor protection equipment, heat insulation clothing is widely used in petroleum, chemical, metallurgy, glass and other industries. Especially for some high-temperature pre-furnace jobs, heat insulation clothing is an indispensable protective clothing. so how many degrees can heat insulation clothing?
The function and principle of heat insulation clothing cause damage to the human body in a variety of forms and properties are also different, so the requirements for the heat insulation function of heat insulation clothing are also different. At present, the main forms of heat source are convection heat, touch heat, radiant heat, sparks and molten metal injection, high temperature gas and hot steam, high heat generated by arc, etc.
The heat insulation clothing is through technical means, shielding or weakening of various heat conduction methods, and then complete the heat insulation effect. Heat dissipation convection is to transfer heat with the movement of fluid such as liquid (such as water) or gas (such as air). The fluid moves due to uneven temperature of the fluid, so the method of transferring heat is called natural convection.
There is natural convection in the boundary layer between the human body and the clothing surface. The heat transfer that occurs due to fluid movement caused by other external causes is called forced convection. The thermal convection resistance of the fabric is closely related to the weight, density and sealing function of the fabric. Increasing the mass of the fabric can delay the time required to cause a second degree burn. Together, the multi-layer fabric has better thermal convection resistance than the single-layer fabric.
Key words:
RELATED INFORMATION
Office address:Room 901, Unit 1, Building 2, Liandong U Valley Qingdao Science & Innovation Center, No.1001 Chongqing Middle Road, Xiangtan Road Subdistrict, Licang District, Qingdao City, Shandong Province, China
Factory Address: Li Xin Community, Chengyang District, Qingdao City, Shandong Province