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FILTER CLEANING APPARATUS

  • US 20140183124A1
  • Filed: 08/02/2012
  • Published: 07/03/2014
  • Est. Priority Date: 08/05/2011
  • Status: Active Grant
First Claim
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1. A filter cleaning apparatus included in a reaction system, the reaction system being provided with:

  • a reaction tank that can accommodate a catalyst and a formed body formed by a chemical reaction using the catalyst and that has a filter that filters the catalyst therein;

    a first feed line that is connected to the filter at one end and that feeds filtered fluid that has passed through the filter;

    a recovery tank that is connected to the other end of the first feed line and that accommodates the filtered fluid; and

    a second feed line that is connected to the recovery tank at one end and that feeds out the filtered fluid from the other end, and the filter cleaning apparatus is configured to remove the catalyst adhered to the filter, the apparatus comprising;

    a first return line connected to an intermediate part of the second feed line at one end to feed the filtered fluid;

    a first reverse cleaning solution tank and a second reverse cleaning solution tank connected to the first return line and supplied with the filtered fluid;

    a first flow rate adjusting valve that can adjust a flow rate of the filtered fluid to be supplied from the first return line to the first reverse cleaning solution tank;

    a second flow rate adjusting valve that can adjust a flow rate of the filtered fluid to be supplied from the first return line to the second reverse cleaning solution tank;

    a switching section connected to the first reverse cleaning solution tank and the second reverse cleaning solution tank to feed either one of the filtered fluids accommodated in the first reverse cleaning solution tank and the second reverse cleaning solution tank by switching;

    second return line connected to the switching section at one end, provided with a returning on-off valve at an intermediate part, and connected to an intermediate part of the first feed line at the other end; and

    a discharging on-off valve provided on the first feed line so as to be closer to the other end of the first feed line than a portion of the first feed line at which the other end of the second return line is connected.

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