Heat treatment quality stand or fall are directly related to the subsequent processing quality and ultimately affect parts of the service performance and life, at the same time, heat treatment and machinery industry, the energy consumption and pollution large family. In recent years, with the development of scientific technology and its application in heat treatment, heat treatment technology development mainly embodied the following aspects:

(1) : heat treatment, heat treatment process by the formation of the waste water and gas,salt, dust, noise and electromagnetic radiation etc all can cause to the environment pollution. To solve the heat treatment problem of the pollution of the environment, a clean heat treatment (or says the green environmental protection heat treatment) is the developed countries heat treatment technology and its development direction of one. To reduce SO2, CO and CO2, dust and coal emissions, has basically eliminate the use of coal as fuel, heavy oil in the use of less and less to the majority of light oil, natural gas, is still the most ideal fuel. Furnace of waste heat utilization has reached a high degree, burner optimization and empty fuel-than the strict control of the guarantee reasonable under the premise of burning, NOX and CO reduce to lowest level; Use gas carburizing, carbon and nitrogen were permeability and vacuum heat treatment technology substitution treatment to reduce salt bath containing CN and toxic substances for water pollution; The synthesis of quenching oil instead of water quenching oil, using biodegradable vegetable oil to replace some mineral oil to reduce oil pollution.

(2) : precision heat treatment: precision heat treatment two meanings: on the one hand is the use of parts according to requirements, material, structure size, use physical metallurgy knowledge and advanced computer simulation and testing technology, the optimization of process parameters, to the required performance or maximize the potential of materials; On the other hand is fully guarantee the stability of the optimization of process, and realize the product quality dispersion is small (or zero) and heat treatment distortion is zero.

 
(3) : energy saving heat treatment: the scientific production and energy management is the effective utilization of energy most potential factors, establish a professional hot treatment plant to ensure full load production, give full play to the equipment ability is the choice of scientific management. In terms of energy structure heat treatment, preferred choice a energy; Make full use of waste heat, waste heat; The low energy consumption and short cycle technology instead of cycle is long, energy consumption of technology and so on.
 



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