A method of sweating and preparing wax for 3D printing
A 3D printing, wax layer technology, applied in petroleum wax refining, wax physical treatment, petrochemical modification, etc., can solve the problems of decreased product yield, unsuitable production of ordinary sweat separation process, and low production cycle of product yield.
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Embodiment 1
[0069] This embodiment includes: (1) hydrogenation, (2) distillation, (3) emulsification, (4) sweating, (5) blending, and silk extrusion.
[0070] (1) Hydrogenation
[0071] The wax oil product (n-paraffin content is 95.50wt%; penetration (55°C) > 200 (10 -1 mm). It can be seen from the needle penetration at 55°C that the raw material contains a large amount of low-melting point substances) as the raw material, in the FHJ-2 catalyst (a Ni / Al 2 o 3 Commercial catalyst, developed and produced by Fushun Petrochemical Research Institute, the active metal content is 40% based on oxides, and the catalyst is subjected to conventional reduction treatment before use), under the action of reaction pressure 5.0MPa, reaction temperature 200℃, volume space velocity 1.0h -1 Hydrogenation is carried out at a volume ratio of 500:1 to hydrogen to convert olefins and oxygenates therein.
[0072] The hydrogenation product has a weight content of n-alkanes of 97.36%. Chromatography-mass spec...
Embodiment 2
[0099] This embodiment includes: (1) hydrogenation, (2) distillation, (3) emulsification, (4) sweating, (5) blending, and silk extrusion.
[0100] (1) Hydrogenation
[0101] With embodiment 1.
[0102] (2) Distillation
[0103] With embodiment 1.
[0104] (3) Emulsification
[0105] This part includes (A1) oil phase material preparation, (A2) water phase material preparation, (A3) emulsion preparation three steps.
[0106] (A1) Oil phase material preparation
[0107] Take 69.0Kg of the fraction prepared in process (2), heat to 88°C and melt, add 2.3Kg diethylene glycol fatty acid ester, 1.0Kg tetraethylene glycol monostearate, 0.4Kg lauryl betaine and 3.5 Kg of pentadecanoic acid, stir well.
[0108] (A2) Water phase material preparation: prepare Na with a concentration of 3.2% 2 CO 3 Solution, take 23.8Kg and heat to 93°C.
[0109] (A3) Emulsion preparation: Stir the oil phase material prepared by the process (A1) at a speed of 300r / min, add the water phase material ...
Embodiment 3
[0117] This embodiment includes: (1) hydrogenation, (2) distillation, (3) emulsification, (4) sweating, (5) blending, and silk extrusion.
[0118] (1) Hydrogenation
[0119] With embodiment 1.
[0120] (2) Distillation
[0121] With embodiment 1.
[0122] (3) Emulsification
[0123] This part includes (A1) oil phase material preparation, (A2) water phase material preparation, (A3) emulsion preparation three steps.
[0124] (A1) Oil phase material preparation
[0125] Take 80.0Kg of the fraction prepared in process (2), heat to 85°C and melt, add 1.3Kg diethylene glycol fatty acid ester, 0.5Kg sorbitan monopalmitate, 0.4Kg polyoxyethylene fatty acid ester and 2.0Kg of linoleic acid, stir well.
[0126] (A2) Preparation of aqueous phase materials: prepare KHCO with a concentration of 4.5% 3 Solution, take 15.8Kg and heat to 89°C.
[0127] (A3) Emulsion preparation: Stir the oil phase material prepared by the process (A1) at a speed of 1000r / min, add the water phase materia...
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