Phosphoric acid production equipment and pipeline cleaning scale removal method
A technology for cleaning production equipment and pipes, applied in cleaning methods and utensils, cleaning methods using liquids, chemical instruments and methods, etc. The effect of improving operational efficiency
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Embodiment 1
[0012] Embodiment 1: earlier mass fraction is 98% aminotrimethylidene phosphoric acid 6kg, mass fraction is 98% phosphine carboxylic acid 6kg, mass concentration is 18% alkenyl sulfonic acid copolymer 65kg, mass concentration is 98% 65kg of multi-component copolymers, 50kg of acrylic acid-acrylate-sulfonate copolymer with a mass concentration of 58%, and 30g of a slow-release agent with a mass concentration of 100%, were mixed with water and stirred evenly to prepare 600kg of scale inhibitors; the prepared antiscalant In the scale agent, the mass fraction of aminotrimethylidene phosphoric acid is 2%, the mass fraction of phosphine carboxylic acid is 2%, the mass fraction of alkenyl sulfonic acid copolymer is 4%, the mass fraction of multi-polymer copolymer is 4%, acrylic acid-acrylate- The mass fraction of the sulfonate copolymer is 2%, and the mass fraction of the slow-release agent is 0.01%; the antiscalant is heated to 60°C and poured into the phosphoric acid equipment and ...
Embodiment 2
[0013] Embodiment 2 is earlier that mass fraction is 98% aminotrimethylidene phosphoric acid 12kg, mass fraction is 98% phosphine carboxylic acid 12kg, mass concentration is 130kg of alkenyl sulfonic acid copolymer of 18%, mass concentration is 98% 130kg of multi-component copolymer, 100kg of acrylic acid-acrylic acid ester-sulfonate copolymer with a mass concentration of 58%, 60g of a slow-release agent with a mass concentration of 100%, add water, mix and stir evenly, and prepare 600kg of scale inhibitor; the prepared scale inhibitor In the agent, the mass fraction of aminotrimethylidene phosphoric acid is 6%, the mass fraction of phosphine carboxylic acid is 6%, the mass fraction of alkenyl sulfonic acid copolymer is 8%, the mass fraction of multi-component copolymer is 4%, acrylic acid-acrylate-sulfonic acid The mass fraction of the salt copolymer is 2%, and the mass fraction of the slow-release agent is 0.02%; the scale inhibitor is heated to 80°C and poured into the phos...
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