Phosphorus-free environment-friendly medicament for zero pollution discharge of industrial circulating water system and processing equipment of phosphorus-free environment-friendly medicament
A technology for industrial circulating water and processing equipment, applied in water/sludge/sewage treatment, descaling and water softening, natural water treatment, etc., can solve problems such as small application range, uneven composition of chemicals, and wastewater application, and achieve Avoid uneven dispersion of ingredients, increase stirring efficiency, and increase circulation speed
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Embodiment 1
[0042] like Figure 1-6 As shown, a phosphorus-free and environmentally friendly agent for zero discharge of industrial circulating water systems, the agent is composed of the following raw materials in parts by weight: 15-35 parts of scale inhibitor, 20-35 parts of corrosion inhibitor, 10 parts of dispersant -15 parts, 0.5-1 part of surfactant, the balance of water, a total of 100 parts.
[0043]The specific parts by weight of each component of the agent are as follows: 27-32 parts of scale inhibitor, 20-28 parts of corrosion inhibitor, 12-15 parts of dispersant, 0.5-0.8 part of surfactant, 0.5-0.7 part of fluorescent tracer , the water balance, a total of 100 parts.
[0044] The scale inhibitor is one of sulfonated styrene / maleic anhydride copolymer, acrylic acid / 2-acrylamide-2-methylpropylsulfonic acid copolymer and methacrylic acid-styrene copolymer.
[0045] The corrosion inhibitor is one or more of cinnamaldehyde, furfural and vanillin.
[0046] The dispersant is sulf...
Embodiment 2
[0057] The production wastewater of a certain chemical factory is used for dynamic simulation test of circulating water, the wastewater is added to the circulating water system, and the medicament of the present invention is added in the circulating water system. The medicament is made by mixing the following raw materials in parts by weight: sulfonated styrene / malay 28 parts of anhydride copolymer, 20 parts of cinnamaldehyde, 12 parts of sulfamic acid, 0.5 part of imidazoline quaternary ammonium salt, water: balance, 100 parts in total;
[0058] According to the water quality, the dosage is determined to be 400mg / L, and the system runs for 60 days without any sewage discharge in the middle, and the test pieces and heat exchange tubes do not scale or corrode, completely realizing zero sewage discharge.
Embodiment 3
[0060] The converter waste water of a steel plant is used for the dynamic simulation test of circulating water, and the waste water is filled into the circulating water system, and this agent is added to the circulating water system. The agent is made by mixing the following raw materials in parts by weight: acrylic acid / 2-acrylamide-2 - 30 parts of methyl propyl sulfonic acid copolymer, 10 parts of cinnamaldehyde, 10 parts of vanillin, 13 parts of sulfamic acid, 0.6 part of imidazoline quaternary ammonium salt, water: balance, 100 parts in total;
[0061] According to the water quality, the dosage is determined to be 200mg / L, and the system runs for 45 days without any sewage discharge in the middle, and the test pieces and heat exchange tubes are not scaled or corroded, completely realizing zero sewage discharge.
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