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  • 钢壳IGBT中频熔炼炉

    棒料加热炉

    0.25T并联中频炉

    0.5T中频炉

    0.5T并联中频炉

    0.5T串联中频炉

    0.5T 中频熔炉

    0.25T中频熔炉

    1T中频熔炉

    2T中频熔炉

    5T中频熔炉

    中频熔炉

    中频感应炉

    250kg中频感应炉

    500kg中频感应炉

    1T中频感应炉

    2T中频感应炉

    5T中频感应炉

    3T中频感应炉

    全自动中频感应加热炉

    圆钢中频感应加热炉

    中频钨钼烧结炉

    中频感应烧结炉

    钼丝钼块烧结炉

    钢管加热炉

    圆钢感应加热炉

    350kW铝圆棒中频感应自动加热生产线

    Φ65mm圆钢中频锻造炉

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    一、钢坯加热炉,钢坯感应加热炉,钢坯加热设备概述

    PLC自控系统,国内组装,世界一流技术、本地化服务、最低价格

    1、进出料机构、线圈和电源一体化设计,所需基建、工场占地和安装时间都较少。

    2、并联式中频电源设计,AC电压靠二极管转化为DC电压,能量转换效率96%。

    3、 输出功率可在10%-100%之间调节,所有功率范围都能维持0.96功率因素,谐波畸变污染少。

    4、由于电源传输距离短、采用特殊隔热材料、串连式电源逆变测电流小电压高,中频单耗很低。 

    5、动态监测串连谐振线圈负载电流变化情况,及时闭环控制电源输出功率,保证加热温度稳定

    6、 其它丰富的检测、自诊断、报警功能和安全防护装置。

    7、 关键元器件进口,采用高品质电气部件,国内组装;世界一流技术、本地化服务和价格。

    8、根据坯料大小选配不同的加热频率,节省耗电量;线圈适应坯料直径范围宽1倍。

    9、内嵌式的操作盘显示机器运行状态并供故障诊断之用;可以选择手动或人机界面操作方式。

    10、 标配电源内置闭式内循环蒸馏水冷却系统,可以选配线圈内水系统或提供整套水冷解决方案。

    11、可以选择气动或变频夹辊轮进料机构;快速抽取出料系统带破除粘结机构并可选配温度分拣系统。

    、钢坯参数及工艺要求

    钢坯尺寸130x130 mm 12 m

    钢坯头部温度: 表面 940 °C – 芯部 1030 °C – 平均 960 °C

    钢坯尾部温度: 表面 925 °C – 芯部 985 °C – 平均 938 °C

    从头到尾经过时间: 109 s –速度 0.11 m/s – 产量51.5 t/h

    150x150 mm 12 m

    钢坯头部温度: 表面949 °C –芯部1065 °C – 平均 975 °C

    钢坯尾部温度: 表面933 °C – 芯部 1005 °C – 平均 948 °C

    从头到尾经过时间: 145 s – 速度0.083 m/s – 产量51.8 t/h

    要求第一架轧机入口头尾均等温度,最低 1050 °C现场工作条件:

    三、 电源频率与功率的平面布置的确定:

    u 根据坯料最大尺寸150x150 mm 12 m 经计算频率范围在1600Hz~600Hz范围内,本加热炉频率确定为1000Hz。

    u 根据最大坯料150x150 mm 12 m 重量(2080公斤)和生产率(145秒/每件)计算所需加热功率最大为1500kw,此功率可以满足所有的钢坯加热及保温。

     

    四、 设备范围与功能描述:

    1.设备范围见下表

    序号

    内容

    数量

    备注

    1

    12脉整流变压器1500KVA

    1台

     

    2

    连接铜排

     

     

    2

    晶闸管中频电源KGPS-1500/1

    2套

     

     

     

     

     

     

    3

    感应加热器

    1套

     

    3.1

    GTR130(钢坯尺寸130x130mm12m)

    1套

     

     

    GTR150(钢坯尺寸150x150mm12m)

     

     

    4

    感应加热器床身

    1套

     

    5

                进料装置

    1套

     

    6

    出料装置

    1套

     

    7

    动力控制柜

    1套

     

     

    8

    温控系统(红外线测温和控制仪)

    1套

     

    8.1

    PLC中央控制台

    1套

    8.2

    可编程控制器

    1套

    8.3

    液晶屏

    1套

    8.4

    双比色红外测温仪

    (西安瑞光)

    1台

    8.5

    光电报警开关

    1套

    8.6

    控制柜

    1台

     

    A、综合参数

    序号

    项目

    参数要求

    1

    电源功率

    1500kw / 3相6脉

    2

    整流项数

    12脉

    3

    逆变器

    SCR并联逆变

    4

    额定频率              

    1000Hz以上

    5

    进线电压

    660V

    6    

    中频电压  

    1600V

    7

    启动成功率     

    100%

    8

    功率因数

    大于0.92

    9

    出口加热温度

    1150℃

    10

    加热温升电耗

    60±5% kW.h/t

    11

    加热时间

    145秒/根

     

     

     

    B、热交换冷却水系统参数

    序号

    项目

    参数

    1

    进水压力

    0.2-0.4MPa

    2

    进水温度

    5-35℃

    3

    出水温度

    <55℃

    整流变压器是为中频电炉提供整流电源的专用变压器,该变压器(全紫铜芯油浸式)具有过载能力强,谐波电流少,冷却效果好等特点。

    整流变压器技术参数:

    型号:

    超负荷型ZS11-1500KVA/10KV/660v

    额定容量:

    Se=1500kva

    一次电压:

    U1=10000V±5% 612脉  50HZ

    一次电流:

    I1=86A

    二次电压:

    U2= 660Vx2

    二次电流:

    I2=650x2A

    调压方式:

    档无励磁手动调压

    联结组别:

    D/d。-yn11

    阻抗电压:

    Z75o=6.5%

    效率:

    97%

    1500kw 中频电源主要元器件型号及厂家

      序号

    名 称

    规 格 型 号

    数量

    生  产  厂  家

    1

    整流可控硅

    KP1000A,2000V

    12

    湖北襄樊台基

    2

    万能断路器

    DW15-1600A

    2

    浙江兆宇

    3

    可控硅散热器

    SS14-BL

    6

    温州爱安特

    4

    吸收电容

     0.47uF2000V

    12

    国营794厂

    5

    吸收电阻

    150W15Ω

    12

    苏州恒德电讯

    6

    平波电抗器

    3mH

    2

     自制

    7

    进线电抗器

    Φ100*16

    6

     自制

    8

    仪表

    42型

    6

     人民电器,上海浦江

    9

    铜材

     

     

     洛铜

    10

    逆变可控硅

    KK2000A,2000V

    8

    湖北襄樊台基

    11

    可控硅散热器

    SS15-BL

    4

    温州爱安特

    12

    逆变吸收电容

     0.47uF2000V

    8

    国营794厂

    13

    逆变吸收电阻

    300W15Ω

    8

    苏州恒德电讯

    14

    谐振电容器

    RFM1.2-2000-0.5S

    10

    浙江建的盛和 

    15

    液压站

     

     

    山西榆次

     

    First, billet heating furnace, billet induction heating furnace, billet heating equipment overview

    PLC automatic control system, domestic assembly, world-class technology, localized service, lowest price

    1. The integrated design of the feeding and discharging mechanism, coil and power supply requires less infrastructure, workshop occupation and installation time.

    2. Parallel intermediate frequency power supply design, AC voltage is converted into DC voltage by diode, and energy conversion efficiency is 96%.

    3. The output power can be adjusted between 10% and 100%. All power ranges can maintain 0.96 power factor, and harmonic distortion is less polluted.

    4, due to the short transmission distance of the power supply, the use of special insulation materials, series-connected power supply inverter measurement current small voltage high, medium frequency single consumption is very low.  

    5. Dynamically monitor the change of the load current of the series resonant coil, and timely control the output power of the power supply to ensure the heating temperature is stable.

    6, other rich detection, self-diagnosis, alarm function and safety protection device.

    7, the import of key components, the use of high-quality electrical components, domestic assembly; world-class technology, localization services and prices.

    8. According to the size of the blank, different heating frequency is selected to save power consumption; the coil is adapted to the diameter of the billet to be 1 times wider.

    9. The embedded operation panel displays the running status of the machine and is used for fault diagnosis; manual or man-machine interface operation mode can be selected.

    10, standard power supply built-in closed internal circulation distilled water cooling system, you can choose the inner water system of the coil or provide a complete set of water cooling solutions.

    11. The pneumatic or variable frequency nip roller feeding mechanism can be selected; the quick extraction and discharging system can eliminate the bonding mechanism and can be equipped with a temperature sorting system.

    Second , billet parameters and process requirements

    2.1Billet size 130x130 mm , 12 m , Billet head temperature: surface 940 °C – core 1030 °C – average 960 °C

    2.2 Billet tail temperature: Surface 925 °C – Core 985 °C – Average 938 °C

    2.3 Elapsed time from start to finish: 109 s – speed 0.11 m/s – output 51.5 t/h

    2.4  150x150 mm 12 m

    2.5Billet head temperature: Surface 949 °C – Core 1065 °C – Average 975 °C

    2.6Billet tail temperature: Surface 933 °C – Core 1005 °C – Average 948 °C

    2.7  Elapsed time from start to finish: 145 s – speed 0.083 m/s – output 51.8 t/h

    2.8 The first mill is required to have the same temperature at the head and tail of the first mill, and the minimum working temperature is 1050 °C:

    Third, Determination of the plane arrangement of the power frequency and power:

    According to the maximum size of the billet 150x150 mm 12 m, the calculated frequency range is in the range of 1600 Hz to 600 Hz, and the frequency of the furnace is determined to be 1000 Hz.

    Calculated according to the maximum billet 150x150 mm 12 m weight (2080 kg) and productivity (145 seconds / piece), the required heating power is up to 1500 kw, which can meet all billet heating and insulation.

     

     

    Fourth, Device range and function description:

    1. Equipment range is shown in the table below

    Serial number

    content

    Quantity

    Remarks

    1

    12-pulse rectifier transformer 1500 KVA

    1 set

     

    2

    Connecting copper bars

     

     

    2

    Thyristor intermediate frequency power supply KGPS-1 5 00/1

    2 sets

     

     

     

     

     

     

    3

    Induction heater

    1 set

     

    3.1

    GTR130 (slab size 130x130mm12m)

    1 set

     

     

    GTR150 (slab size 150x150mm12m)

     

     

    4

    Induction heater bed

    1 set

     

    5

    Feeding device

    1 set

     

    6

    Discharge device

    1 set

     

    7

    Power control cabinet

    1 set

     

     

    8

    Temperature control system (infrared temperature measurement and control instrument)

    1 set

     

    8.1

    PLC center console

    1 set

    8.2

    Programmable Controllers

    1 set

    8.3

    LCD screen

    1 set

    8.4

    Double colorimetric infrared thermometer

    (Xi'an Ruiguang)

    1 set

    8.5

    Photoelectric alarm switch

    1 set

    8.6

    Control cabinet

    1 set

     

    A, comprehensive parameters

    Serial number

    project

    Parameter requirement

    1

    Power supply

    1 5 00kw / 3 phase 6 veins

    2

    Number of rectifiers

    12 veins

    3

    Inverter

    SCR parallel inverter

    4

    Rated frequency

    Above 1000Hz

    5

    Line voltage

    660V

    6

    IF voltage

    1600V

    7

    Start success rate

    100%

    8

    Power factor

    Greater than 0.9 2

    9

    Outlet heating temperature

    1150 ° C

    10

    Heating temperature rise power consumption

    ≤ 60 ±5% kW.h/t

    11

    heating time

    145 seconds / root

     

     

     

    B. Heat exchange cooling water system parameters

    Serial number

    project

    parameter

    1

    Inlet pressure

    0.2-0.4MPa

    2

    Inlet temperature

    5-35 ° C

    3

    Effluent temperature

    <55°C

    The rectifier transformer is a special transformer that provides rectification power for the intermediate frequency electric furnace. The transformer (full copper core oil immersion type) has the characteristics of strong overload capability, less harmonic current and good cooling effect.

    Rectifier transformer technical parameters:

    model:

    Overload type ZS11- 1500 KVA/10KV /660v

    Rated Capacity:

    Se= 1500kva

    Primary voltage:

    U1=10000V±5% 6- phase 12-pulse 50HZ

    Primary current:

    I1= 86 A

    Secondary voltage:

    U2= 660Vx2

    Secondary current:

    I2= 650x2A

    Pressure regulation method:

    Three-speed manual non-excitation regulator

    Connection group:

    D/d. -yn11

    Impedance voltage:

    Z75o=6.5%

    effectiveness:

    ≥ 97%

    1500kw intermediate frequency power supply main components and manufacturers

      Serial number

    name

    Specification model

    Quantity

    Manufacturer

    1

    Rectifier thyristor

    KP 1000 A, 20 00V

    12

    Hubei Xiangfan Taiji

    2

    Universal circuit breaker

    DW15- 1600 A

    2

    Zhejiang Zhaoyu

    3

    Thyristor radiator

    SS14-BL

    6

    Wenzhou Love

    4

    Absorption capacitor

    0.47uF2000V

    12

    State-owned 794 factory

    5

    Absorption resistor

    150W15Ω

    12

    Suzhou Hengde Telecommunications

    6

    Flat wave reactor

    3mH

    2

    self made

    7

    Line reactor

    Φ100*16

    6

    self made

    8

    meter

    Type 42

    6

    People's Electric, Shanghai Pujiang

    9

    Copper

     

     

    Copper

    10

    Inverter thyristor

    KK 2000 A, 2 0 00V

    8

    Hubei Xiangfan Taiji

    11

    Thyristor radiator

    SS15-BL

    4

    Wenzhou Love

    12

    Inverter absorption capacitor

    0.47uF2000V

    8

    State-owned 794 factory

    13

    Inverter absorption resistor

    300W15Ω

    8

    Suzhou Hengde Telecommunications

    14

    Resonant capacitor

    RFM 1.2 - 2 000- 0.5 S

    10

    Shenghe of Zhejiang Construction

    15

    Hydraulic station

     

     

    Shanxi Yuci

     

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