Preparation method of ammonium phosphate dry powder fire extinguishing agent

Preparation method of ammonium phosphate dry powder fire extinguishing agent

CN
  • CN 1,686,587 A
  • Filed: 04/26/2005
  • Published: 10/26/2005
  • Est. Priority Date: 04/26/2005
  • Status: Active Application
First Claim
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1. , a kind of preparation method of ammonium phosphate powder extinguishing agent is characterized in that producing by following parts by weight of raw materials proportioning and step:

  • 1) gets white carbon 10-40, the mica 10-30 of phosphoric acid by wet process one ammonium 300-900, calcium carbonate 30-450, atlapulgite 10-60, silication, silicone oil 3-20;

    2) with above-mentioned batch mixes, thermal current 80-140 ℃

    constant temperature dewaters to moisture content below 0.3%;

    3) constant temperature is crushed to the granularity of regulation.

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