1.使用范围 Application
YZB系列隔爆型振动源三相异步电动机(以下简称振动电机)是按GB3836.1~3-2000《爆炸性气体环境用电气设备》系列标准的规定设计制造。适用于户内、户外,具有爆炸性气体混合物的1区、2区,该爆炸性气体混合物属Ⅱ类A、B、C级,T1~T4组所危险场所。广泛应用于油田钻井、化工、冶金等具有爆炸性气体环境中,作为各类机电设备的振动源。
YZB□-□-□ series of flame-proof vibrating three phase asynchronous motors (Hereinafter called motor/motors) are designed to conform with the standards:GB3836.1~3-2000 “Electrical apparatus for explosive gas atmosphere” . they are suitable to be used in places of zones 1 and 2 where there is explosive mixture which belongs to category Ⅱ class A、B、C, T1~T4 for vibrating source of oil-field drilling chemical, metallurgical industry etc.
2.使用条件 Using conditions
a) 海拔不超过5000m;
Altitude of the site of installation does not exceed 5000m;
b) 周围环境温度不高于5℃,不低于-20℃;
The ambient air temperature doesn’t exceed +55℃, the lower limit of ambient air temperature is -20℃;
c) 周围空气的相对湿度不大于95%(+25℃);
The relative humidity does not exceed 95%(at +25℃);
d) 在无强烈腐蚀金属和破坏绝缘气体的场所;
The place in which there is not gas or vapour which may corrode;
e) 在含有爆炸性气体混合物不超过Ⅱ类,A、B、C级,T1~T4组的环境中;
The ambient place where there is explosive mixture which does not exceed category Ⅱ class A、B、C, group T1~T4;
f) 工作方式:S1(连续运行)满压直接起动。
Working type:S1 (Continuous) Direct starting.
3.技术参数 Type and technical data
3.1 振动电机的主要技术参数见表1、表2、图1。
Technical data to see table1, table2, figure1.
表1 主要技术参数
Table 1 Technical data
|
额定电压
Rated voltage(V) |
额定电流
Rated current(A) |
额定频率
Rated frequency(HZ) |
额定激振力
Vibrating force |
额定功率
Rated watts(KW) |
振动次数 次/分钟
No. of vibration/min |
|
380 |
3.4,4 |
50 |
15,20,25,30 |
1.5,1.8 |
1420 |
表2 主要技术参数
Table 2 Technical data
|
防护等级
Degree of protection |
工作制
Duty type |
绝缘等级
Degree of insulation |
防爆标志
Ex-mark |
工作环境温度
Working temperature ambient |
|
IP55 |
连续
Continue |
F.H |
dⅡAT4
dⅡBT4
dⅡCT4 |
-20℃ ~ + 55℃ |
3.2 振动电机的隔爆参数见表3。
Flame-proof technical data to see table 3.
表3. 隔爆参数
Table 3. Flame-proof data
|
壳体与盖
Shell and cover |
接线端子部分
Terminal |
|
L(mm) |
l(mm) |
i(mm) |
粗糙度Ra(μm) |
L(mm) |
i(mm) |
粗糙度Ra(μm) |
|
≥12.5 |
≥8 |
≤0.15 |
3.2 |
≥12.5 |
≦0.15 |
1.6 |
|
≥25 |
≥9 |
≤0.2 |
|