中频电炉使用条件有哪些
[来源:原创] [作者:aywl] [日期:17-08-01] [浏览次数:]
可控硅中频电源是一种静止变频装置,利用可控硅元件将工频三相交流电源变换成中频单相交流电源,主要应用于感应加热.感应熔炼及其他需要中频电源供电的场合. 可控硅元件用水冷却.其控制系统由集成电路组成性能稳定,可靠.启动采用先进的零电压方式,安全,方便.维修简便,经济,特别适用于金属溶炼、加热及热处理工况. (一)、环境条件及建筑设施 1、本设备应安装于无剧烈震动,无导电尘埃,无腐蚀性气体,气温不高于40℃,相对湿度不大于85%,的室内。2、本中频电源室应有防虫,防鼠,防蛇的措施,应有排气通风的设备,应有消防设备。3、地沟应有防水水泥结构,上铺木板或水泥板并有排水设备,通风和散热良好。4、本电源主机外壳应良好接地,(按一般低压电气设备标准接地,并允许重复接地)应有人身安全措施及电气防护用品。5、在设计冷却设备时,应考虑外界停电时,能向炉子供给冷却水的备用水源。(二)、对冷却水的要求 1、PH值: 6~8 2、电阻率: 20kΩ/cm 3、无沙石杂物 4、进水温度: 5~30℃ 5、进口水压: 0.12~0.15Mpa 6、水量: 8 吨/时 Thyristor medium frequency power supply is a kind of static frequency conversion device, using thyristor three-phase power frequency ac power to transform intermediate frequency ac power supply, mainly used in induction heating. Induction melting and other needs of intermediate frequency power supply occasions. Thyristor water cooling. The control system is composed of integrated circuit performance is stable and reliable. Start using advanced way of zero voltage, safe, convenient, simple maintenance, the economy, particularly applicable to metal smelting, heating and heat treatment conditions. (a) 1, environment condition and building facilities, the device should be installed to no violent vibration, no conductive dust, no corrosive gas, the temperature is not higher than 40 ℃, relative humidity is not more than 85%, of the interior. 2. The intermediate frequency power supply room should be equipped with anti-insect, anti-rat, anti-snake, and should have exhaust ventilation equipment and fire equipment. 3. The trench should have waterproof cement structure, upper planks or cement board and drainage equipment, ventilation and heat dissipation. 4. The main enclosure of this power supply shall be well grounded (according to the general low voltage electrical equipment standard grounding and the repeatable grounding) shall be required for personal safety measures and electrical protective equipment. 5. When designing cooling equipment, the standby water source of cooling water can be supplied to the furnace when the external power failure should be considered. (2), the cooling water requirements: 1, PH value of 6 ~ 8:2, resistivity Ω 20 k/cm 3, no 4 impurities in the sand, and water temperature: 5 ~ 30 ℃, imported hydraulic: 0.12 ~ 0.15 Mpa, water: 8 tons per hour
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