A kind of HEPA filter two-layer compound filter screen

A kind of HEPA filter two-layer compound filter screen

  • CN 104,971,621 B
  • Filed: 06/06/2015
  • Issued: 12/11/2018
  • Est. Priority Date: 06/06/2015
  • Status: Active Grant
First Claim
Patent Images

1. a kind of HEPA filter two-layer compound filter screen, it is characterised in that:

  • from windward end to leeward end sequentially include;

    environmental protectionThe efficient photocatalyst formaldehyde scavenger filter screen of type and HEPA filter screen;

    The environment-friendly highly efficient photocatalyst formaldehyde scavenger filter screen is to spray environment-friendly highly efficient photocatalyst on the net in glass fiber filterFormaldehyde scavenger obtains, can single or double coating, glass fiber filter on the net always coating concentration be 30-70g/m2

    The environment-friendly highly efficient photocatalyst formaldehyde scavenger is by following weight percent at being grouped as;

    silk peptide primary surface activityAgent 10~15%, methanal trapping agent 5~8%, photocatalyst 2~4%, nano-silver colloid 0.1~0.5%, surplus are pure water;

    The methanal trapping agent is by the 5,5- methylimidazole alkane -2,4- diketone of 40~60wt% and the 2- first of 40~60wt%Composition is blended in base -2- acrylic acid -2- (2- oxo -1- imidazolinyl) ethyl ester.

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