The descaling method of steam generating equipment

The descaling method of steam generating equipment

  • CN 105,102,380 B
  • Filed: 03/27/2014
  • Issued: 06/18/2019
  • Est. Priority Date: 04/02/2013
  • Status: Active Grant
First Claim
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1. a kind of descaling method of steam generating equipment, wherein in steam generating equipment, in boiler operating by boiler waterPH value is adjusted to 11.3 or more and 12.0 hereinafter, also, adding has 0.70~1.70 times of weight of benchmark weight average molecular weight equalThe polyacrylic acid of molecular weight or the salt of polyacrylic acid, thereby, it is possible to remove the dirt being attached in boiler tank, also, the base weightAverage molecular weight be it is according to the pH value of boiler water and derived by following formulas (1),Benchmark weight average molecular weight=- 8462 ×

  • (pH value -11.3)+61538 (1).

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