07-07-2023 дата публикации
Номер: CN116398741A
Принадлежит:
The invention relates to the field of heating and ventilation engineering, in particular to a heat preservation type heating and ventilation pipe for heating and ventilation engineering. Comprising a heat preservation type heating and ventilation pipeline and a self-cleaning device, and the self-cleaning device comprises a supporting pipe, an axial filtering assembly, a first dirt scraping plate, a second dirt scraping plate, a radial filtering assembly, a power supply device and a driving device; the supporting pipe is fixedly installed in the heat preservation type heating and ventilation pipeline, the supporting pipe is a round pipe, a pipe opening is square, the axial filtering assembly is fixedly installed in the supporting pipe, and the axial filtering assembly filters out large impurity particles circulating in the heat preservation type heating and ventilation pipeline through filtering plates with different hole diameters so that clean fluid can be obtained. The self-cleaning device ...
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