| 摘要 |
A safety device for protecting and cleaning inner surfaces of heat exchange equipment from scale comprises a power supply connected to a generator of signal, whose output is connected to a switching element, each output of which is connected to a respective electromagnet equipped with a base made of non-magnetic metal and a core of electrical steel in the form of a cylinder. The power supply has a forced ventilation element, each of the electromagnets has an element for fixing to the object, which consists of fasteners and a metal plate. |
