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调试离心式风机时有哪些地方需要注意

文章来源: 作者:罗茨机电 发布时间:2022-02-26 浏览次数:643

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离心风机是依靠输入的机械能,使气体压力变高并排送气体的机械,它是一种从动的流体机械。离心风机用于工厂、矿井、隧道、冷却塔、车辆、船舶和建筑物的通风、排尘和冷却等,今天小编就为大家讲一下关于调试离心风机都有哪些需要注意的方面

Centrifugal fan is a kind of driven fluid machinery, which depends on the input mechanical energy to increase the gas pressure and discharge the gas. Centrifugal fans are used for ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings. Today's small series will tell you about the aspects that need to be paid attention to in the commissioning of centrifugal fans

1,离心风机允许全压起动或降压电动,但应注意,全压起动时的电流约为5-7倍的额定电流,降压起动转矩与电压平方成正比,当电网容量不足时,应采用降压起动。

  1. The centrifugal fan is allowed to start under full voltage or step-down electric, but it should be noted that the current during full voltage starting is about 5-7 times of the rated current, and the step-down starting torque is directly proportional to the square of the voltage. When the power grid capacity is insufficient, step-down starting should be adopted.

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2,离心风机在试车时,应认真阅读产品说明书,检查接线方法是否同接线图相符;应认真检查供给风机电源的工作电压是不是符合要求,电源是否缺相或同相位,所配电器元件的容量是否符合要求。

2. During the commissioning of centrifugal fan, carefully read the product manual and check whether the wiring method is consistent with the wiring diagram; Carefully check whether the working voltage of the power supply to the fan meets the requirements, whether the power supply is out of phase or in the same phase, and whether the capacity of the electrical components meets the requirements.

3,试车时人数不少于两人,一人控制电源,一人观察风机运转情况,发现异常现象停机检查;新乡风机厂家建议先检查旋转方向是否正确;离心风机开始运转后,应检查各相运转电流是否平衡、电流是否超过额定电流;若有不正常现象,应停机检查。运转五分钟后,停机检查风机是否有异常现象,确认无异常现象再开机运转。

3. The number of people during commissioning shall not be less than two. One person controls the power supply and one person observes the operation of the fan. If any abnormality is found, stop the machine for inspection; Xinxiang fan manufacturer suggests to check whether the rotation direction is correct first; After the centrifugal fan starts to operate, check whether the operating current of each phase is balanced and whether the current exceeds the rated current; In case of abnormality, stop the machine for inspection. After five minutes of operation, shut down the fan to check whether there is any abnormality, and then start it for operation after confirming that there is no abnormality.

4,双速离心风机试车时,应先起动低速,检查旋转方向是否正确;起动高速时要待风机静止后再启动,以防高速反向旋转,引起开关跳闸及电机受损。

4. When commissioning the two speed centrifugal fan, start the low speed first and check whether the rotation direction is correct; When starting the high-speed fan, wait until the fan is stationary, so as to prevent the high-speed reverse rotation from causing switch tripping and motor damage.

5,离心风机达到正常转速时,应测量风机输入电流是否正常,离心风机的运行电流不能超过其额定电流。若运行电流超过其额定电流,应检查供给的电压是否正常。

5. When the centrifugal fan reaches the normal speed, measure whether the input current of the fan is normal, and the operating current of the centrifugal fan shall not exceed its rated current. If the operating current exceeds its rated current, check whether the supplied voltage is normal.

以上就是今天带给大家的知识,陕西离心式风机厂家专注行业多年,为用户不断的提供有价值的内容,更多内容请继续关注我们:http://www.sdyqtc.com

The above is the knowledge brought to you today. Shaanxi centrifugal fan manufacturers have focused on the industry for many years and continuously provide users with valuable content. Please continue to pay attention to us for more content: http://www.sdyqtc.com


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