Filtering device

Abstract

The invention discloses a filtering device, comprising at least two filters, a feed liquid supply device, a cleaning device and a control device, wherein a pressure sensing device used for detecting the pressure at input ports of the filters in an online filtering state is arranged between the feed liquid supply device and the filters; the filters in the online filtering state are communicated with the feed liquid supply device, and the filters in an online cleaning state are disconnected with the feed liquid supply device; the filters in the online cleaning state are communicated with the cleaning device, and the filters in the online filtering state are disconnected with the cleaning device; the control device is used for controlling the filter in the online filtering state to be disconnected with the feed liquid supply device when the detected value of the pressure sensing device is equal to a preset switching pressure value, switching the filter to the online cleaning state after apreset time interval, and controlling the next filter to enter the online filtering state according to a preset sequence. The filter device can avoid the phenomenon that continuous production can notbe performed due to cleaning of the filters.

Description

technical field [0001] The invention relates to the technical field of filtering, in particular to a filtering device. Background technique [0002] Many industrial devices in food, pharmaceutical, chemical, petroleum, fiber, dyeing, sewage and other technical fields involve product filtration, especially pharmaceutical devices. [0003] At present, taking the pharmaceutical production process as an example, in the filtration process, filters that need to be shut down to clean or replace clogged filters are often used in the pharmaceutical production process, so continuous production cannot be realized. [0004] Therefore, how to avoid continuous production caused by cleaning the filter is a technical problem that those skilled in the art need to solve. Contents of the invention [0005] In view of this, the object of the present invention is to provide a filter device, which can avoid the failure of continuous production caused by cleaning the filter. [0006] To achiev...

AI Technical Summary

Problems solved by technology

[0003] At present, taking the pharmaceutical production process as an example, in the filtration process, filters that need to be shut down to clean or replace clogged filters are often used in the pharmaceutical production process, so continuous production cannot be achieved

[0004] Therefore, how to avoid continuous production caused by cleaning the filter is a technical problem that those skilled in the art need to solve at present

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