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我国热风炉热处理向自动化智能化发展

文章出处:   发布时间:2018-11-17 08:47:22   浏览:25

热风炉成都收账科学技术成都找人企业进步,特别是信息和网络技术成都收账发展同科研和生产收账密切结合,提供了巨大成都找人企业技术可能性,提高工业电炉热处理的自动化智能化.利用电热效应供热的冶金炉,其电炉设备通常是成套的,包括电炉炉体,开闭器,真空设备,电力设备,自动调节系统,炉用机械设备附属辅助电器.同燃料炉比较,其电炉的特点有,炉内气易控制,甚至可抽成真空,加热温度高,温度易控制,生产过程实现机械化和自动化的可能性高.

The advances in science and technology of hot-blast stoves, especially the close combination of information and network technology with scientific research and production, provide enormous technical possibilities to improve the automation and intelligence of heat treatment of industrial electric furnaces. Compared with fuel furnaces, the electric furnaces are characterized by easy control of the gas in the furnaces, even vacuum pumping, high heating temperature, easy control of temperature, and high possibility of mechanization and automation of production process.

随着计算机技术和自动化技术的发展,计算机控制系统广泛用于工业自动化中,极大地提高了工厂装备的技术水平,促进了生产,提高了产品质量,保证了生产的安全可靠,工业电炉成为了工业自动化的一大支柱.当今,新时代需要新的模式,技术与产业信息化,网络化成为必然.国家的工业发展度在国民经济中占着相当重要的位置.20世纪 50年代以来,由于对高级冶金产品需求的增长和电费随电力工业的发展下降,电炉在冶金炉设备中的额度逐年上升.众多厂家生产最多的工业电炉有退火热风炉,电阻炉,淬火热风炉,盐浴炉,箱式热风炉,井式热风炉,台车热风炉,气体渗碳热风炉.

With the development of computer technology and automation technology, computer control system is widely used in industrial automation, which greatly improves the technical level of plant equipment, promotes production, improves product quality and ensures the safety and reliability of production. Industrial electric furnace has become a major pillar of industrial automation. Since the 1950s, the demand for high-grade metallurgical products has increased and electricity charges have declined with the development of electric power industry, so the quota of electric furnace in metallurgical furnace equipment has increased year by year. Many industrial electric stoves are annealing furnace, resistance furnace, quenching furnace, salt bath furnace, box type hot blast furnace, well type hot blast furnace, trolley hot blast furnace, gas carburizing hot blast furnace.

使用方面,在铸造车间,有熔炼金属的冲天炉,感应炉,电阻炉,电弧炉,真空炉,平炉,坩埚炉等;有烘烤砂型的砂型干燥炉,铁合金烘炉,和铸件退火炉等;在焊接车间,有焊件的焊前预热炉和焊后回火炉;在锻压车间,有对钢锭或钢胚进行锻前加热的各种加热炉;在金属热处理车间,有改善工件机械性能的各种退火,正火,淬火和回火的热处理炉等.工业电炉还广泛应用于其他的工业,比如,石油工业的蒸馏炉和裂化炉,矿石烧结炉和炼焦炉,硅酸盐工业的水泥窑和玻璃熔化,冶金工业的金属熔炼炉,食品工业的烘烤炉,煤气工业的发生炉等.工业电炉按热工制度可分为两大类,分别是间断式炉又称周期式炉,和连续式炉.其中,周期式炉的特点在炉子间断生产时,每一加热周期内炉温度是变化的.

In the casting workshop, there are cupolas, induction furnaces, resistance furnaces, electric arc furnaces, vacuum furnaces, open hearth furnaces, crucible furnaces, etc. for smelting metals; sand mold drying furnaces for baking sand molds, iron alloy baking furnaces, and casting annealing furnaces; preheating furnaces for welding parts and tempering furnaces after welding in the welding workshop; ingot or steel embryo feeding in the forging workshop. Various heating furnaces heated before forging; various annealing, normalizing, quenching and tempering furnaces for improving the mechanical properties of workpieces in metal heat treatment workshops. Industrial electric furnaces are also widely used in other industries, such as distillation and cracking furnaces in the petroleum industry, ore sintering and coking furnaces, cement and glass furnaces in the silicate industry. The industrial electric furnaces can be divided into two categories according to the thermodynamic system: intermittent furnaces, also known as periodic furnaces, and continuous furnaces. The characteristics of periodic furnaces are that the temperature of the furnaces varies in each heating cycle during intermittent production. 


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