电加热器说明书范文

1、电加热器说明书DRK型空气电加热器DRK Electric Air Heater使用说明书OperatingInstruction Manual江苏国能环保设备有限公司Jiangsu Guoneng Environment Protection Equipment Co., Ltd.一、 前言 PrefaceDRK型空气电加热器是我厂近年来研制成功的专门供燃煤发电厂 除灰系统使用的新型加热设备，该设备由空气电加热器和控制系统两 个部分组成。发热元件采用1Cr18Ni9Ti不锈钢无缝管作保护套管，0Cr27A17MO2高温电阻合金丝、结晶氧化镁粉，经压缩工艺成型，使 电加热元件的使用寿命得以保证

2、。控制部分采用先进的数字电路、集 成电路触发器、高反压可控硅等组成可调测温、恒温系统，保证了电 加热器的正常运行。DRK electric air heater, the new type heating equipment special for coal-fired power plant ash collection system, is successfully made by our company recent years. This equipment consists of electric air heater and control system. Heating unit

3、 adopts 1Cr18Ni9Ti seamless steel tube as the protective case. After compression craft formation, 0Cr27A17MO2 high temperature resistance alloy wire and crystal magnesia powder could make sure the life of electric heating element. Control part uses advanced digital circuit, IC trigger and high count

4、er voltage SCR to compose adjustable thermometer and thermostat system, which insure the normal working of heater.文档仅供参考该产品适用于电站空气输送斜梢气化风加热，电除尘器灰斗气化风和贮灰库气化风加热等方面。This equipment use for power plant air delivery skewed slot gasification wind heating, electric dust collector gasification wind and ash s

5、torehouse gasification wind heating. 技术参数 Technical Parameter1 .空气电加热器的规格与参数Specifications and Parameter of Electric Air Heater4tem额定流量最高工作进口法兰通径aata功率输入电压额定电流进口温度Rated额定流量温升温度Inlet flange压力Modelcapacityinputrated currentInletflowRated flowMax.driftPressureKWvoltage每相Atemp.m3/mitemp.riseworkingdiame

6、terMPVPhase ACnCtemp.CmmDRK4545380/22078-20 507.52320-300125P< 0.82.控制柜的主要技术指标数据Main Technical Index Data of ControlBox1) .输入电压 Input voltage : 380V士 5% (三相四线 three phasefour wiresystem)2) .额定功率 Rated capacity : 45KW3) .额定电流 Rated current: 78A(单相 single phase)4) .控温精度 Control accuracy: 0.5 级5) .控

7、温范围 control range : 0300 c三、结构与工作原理 Structure and operating principle1.空气电加热器结构Structure of Electric Air Heater电加热器是由多支管状电热元件、简体、导流板等几部分组 成，管状电热元件是在金属管内放入高温电阻丝，在空隙部分紧密 地填入具有良好绝缘性和导热性能的结晶氧化镁粉，采用管状电热 元件做发热体，具有结构先进热效率高，机械强度好，耐腐、耐磨 等特点。筒体内安装了导流隔板能使空气在流通时受热均匀。The electric air heater consists of multi tub

8、ular heating element, drum, flow deflector and etc. Put the high-temperature resistance wire in the metal tube and tightly fill in the void with crystal magnesia powder, which has the high insulating property and high-thermal conductivity. The tubular heating element is a heating unit with the characteristics of advanced structure, high thermal efficiency, high mecha