Power plant desulphurization defoamer and preparing method thereof
A defoamer and power plant technology, applied in separation methods, chemical instruments and methods, foam dispersion/prevention, etc., can solve the problems of suppressing left-right difference, affecting desulfurization efficiency, oil content, etc., to prevent the formation of bubbles, and the formula is reasonable and effective. , the effect of improving desulfurization efficiency
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Example Embodiment
[0032] Example one:
[0033] A desulfurization and defoaming agent for power plants, which contains the following components with corresponding mass fractions: polyoxyalkylene ether grafted polysiloxane 18.2%, modified polyether 3.2%, monoglyceride 2.8%, gas phase method silica 2.8%, compound emulsifier 2.5%, dimethyl silicone oil emulsifier 1.9%, dimethyldichloroethane 0.9%, polyethylene glycol 6000 distearate 0.7%, deionized water 67%; of which, compound The emulsifier is composed of S-60 emulsifier and T-60 emulsifier, the ratio of the two is 1:1.
[0034] The power plant desulfurization defoamer is made according to the following steps:
[0035] (1) Mix monoglyceride and polyethylene glycol 6000 distearate and heat to 180±5℃ to form a mixture;
[0036] (2) Cool the mixture to 65±5℃, then add dimethyldichloroethane, modified polyether and polyoxyalkylene ether grafted polysiloxane, and add a composite emulsifier to emulsify for 30±2 minutes, Form the first emulsion after emulsifi...
Example Embodiment
[0041] Embodiment two:
[0042] A desulfurization and defoaming agent for power plants, which contains the following components with corresponding mass fractions: polyoxyalkylene ether grafted polysiloxane 20%, modified polyether 4.0%, monoglyceride 3.0%, gas phase method white carbon black 3.0%, compound emulsifier 2.8%, simethicone emulsifier 2.0%, dimethyldichloroethane 1.0%, polyethylene glycol 6000 bisstearate 0.8%, deionized water 63.4%; of which, compound The emulsifier is composed of S-60 emulsifier and T-60 emulsifier, the ratio of the two is 1:1.
[0043] The power plant desulfurization defoamer is made according to the following steps:
[0044] (1) Mix monoglyceride and polyethylene glycol 6000 distearate and heat to 180±5℃ to form a mixture;
[0045] (2) Cool the mixture to 65±5℃, then add dimethyldichloroethane, modified polyether and polyoxyalkylene ether grafted polysiloxane, and add a composite emulsifier to emulsify for 30±2 minutes, Form the first emulsion after em...
Example Embodiment
[0050] Embodiment three:
[0051] A power plant desulfurization and defoaming agent, which contains the following components with corresponding mass fractions: polyoxyalkylene ether grafted polysiloxane 21.6%, modified polyether 4.7%, monoglyceride 3.2%, gas phase method white carbon black 3.2%, composite emulsifier 3.0%, simethicone emulsifier 2.2%, dimethyldichloroethane 1.1%, polyethylene glycol 6000 bisstearate 1.0%, deionized water 60%; of which, composite The emulsifier is composed of S-60 emulsifier and T-60 emulsifier, and the mass ratio of the two is 1:1.
[0052] The power plant desulfurization defoamer is made according to the following steps:
[0053] (1) Mix monoglyceride and polyethylene glycol 6000 distearate and heat to 180±5℃ to form a mixture;
[0054] (2) Cool the mixture to 65±5℃, then add dimethyldichloroethane, modified polyether and polyoxyalkylene ether grafted polysiloxane, and add a composite emulsifier to emulsify for 30±2 minutes, Form the first emulsion ...
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