Isolation cell and rotary pressure filter

Abstract

The invention discloses an isolation cell, which is composed of a fixed seat, an isolation block and a plurality of fasteners, wherein the inner side of the fixed seat is connected with the inner sideof the isolation block through the plurality of fasteners, a sealing layer is formed on the outer side of the isolation block, and an empty slot with identical width is formed in the outer surface ofthe sealing layer and along the long side of the sealing layer. Compared with the prior art, the isolation cell provided by the invention has the advantages that by virtue of the empty slots in the outer surface of the sealing layer, the larger pressure fluctuation existing in a feeding zone can be reduced to ensure the long-period stable operation of equipment. The invention also discloses a rotary pressure filter comprising the isolation cell.

Description

technical field [0001] The present invention relates to the technical field of rotary pressure filters, in particular to an isolation unit for rotary pressure filters and a rotary pressure filter. Background technique [0002] PTA is the main raw material for the production of polyester fiber, resin, film and container resin, and is widely used in chemical fiber, container, packaging, film production and other fields. In recent years, the PTA process has developed rapidly, followed by the rapid development of the rotary pressure filter technology. The use of this unit greatly simplifies, shortens the process of the PTA device, and greatly reduces the energy consumption of the device. It is a revolutionary innovation of traditional technology. [0003] The isolation unit is an important component unit of the rotary pressure filter. The isolation unit includes a fixed seat, an isolation block and a fastener. Among them, the isolation block isolates different working areas in t...

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Problems solved by technology

[0004] However, during the above operation process of the rotary pressure filter, due to the material characteristics, there are large pressure fluctuations when the rotary pressure filter is fed. Figure 9 In the structure of the sealing layer in the prior art shown, when the cavity of the drum enters the feed area from the discharge area, due to the sudden appearance of the cavity, the feed area suddenly loses pressure, resulting in a large gap in the feed area. The pressure fluctuation will affect the long-term stable operation of the equipment

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