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Process for continuously preparing emulsified paraffin and device thereof

A technology for emulsifying paraffin and paraffin, applied in the field of emulsifying paraffin, can solve the problems of poor stability, intermittent operation and high energy consumption, and achieve the effects of good stability, enhanced interface strength and low energy consumption

Active Publication Date: 2012-03-21
ZHONGBEI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] In order to solve the problems of intermittent operation, poor stability, high cost and high energy consumption in the preparation of existing emulsified paraffin, the present invention provides a process and device for continuously preparing emulsified paraffin with simple structure, high efficiency and continuous production. Adjust the amount of emulsifier according to different product requirements, so as to further reduce the cost while improving product quality

Method used

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  • Process for continuously preparing emulsified paraffin and device thereof
  • Process for continuously preparing emulsified paraffin and device thereof
  • Process for continuously preparing emulsified paraffin and device thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Heat the temperature of water phase storage tank 3, oil phase storage tank 5, and circulating water storage tank 2 to 80°C to maintain stability, set the temperature of the heating belt to 80°C, and use industrial grade 58 # Fully refined paraffin wax, deionized water as the main raw material, an aqueous solution containing a hydrophilic emulsifier is prepared in the water phase storage tank 3, and a paraffin wax emulsion containing a lipophilic emulsifier is prepared in the paraffin wax storage tank 5. Enter the emulsifier according to the ratio of water phase mass fraction: oil phase mass fraction = 95: 5, the opening diameter of the nozzle is 1mm, which is a circular hole, the filler is plastic mesh, and the initial impact velocity of the water phase and oil phase is 5m / s, the initial velocity of the compensation water phase is 5m / s, the rotational speed of the annular filler is 300rpm, the emulsifier is oleic acid and tween80, the HLB value is 10.5, and the total ma...

Embodiment 2

[0040] Heat the temperature of water phase storage tank 3, oil phase storage tank 5, and circulating water storage tank 2 to 85°C to maintain stability, set the temperature of the heating belt to 85°C, and use industrial grade 54 # Fully refined paraffin wax, deionized water as the main raw material, an aqueous solution containing a hydrophilic emulsifier is prepared in the water phase storage tank 3, and a paraffin wax emulsion containing a lipophilic emulsifier is prepared in the paraffin wax storage tank 5. According to the ratio of water phase mass fraction: oil phase mass fraction = 90:10, it enters the emulsifier. The opening diameter of the nozzle is 1.5mm, which is a square hole. The filler is plastic mesh. The initial impact velocity of the water phase and the oil phase is 8m. / s, the initial velocity of the compensation water phase is 6m / s, the rotational speed of the annular filler is 800rpm, the emulsifier is span80 and OP-10, the HLB value is 12, the fraction of th...

Embodiment 3

[0042] Heat the temperature of water phase storage tank 3, oil phase storage tank 5, and circulating water storage tank 2 to 90°C to maintain stability, set the heat preservation temperature of the heating belt to 90°C, and use industrial grade 68 # Fully refined paraffin wax, deionized water as the main raw material, an aqueous solution containing a hydrophilic emulsifier is prepared in the water phase storage tank 3, and a paraffin wax emulsion containing a lipophilic emulsifier is prepared in the paraffin wax storage tank 5. According to the ratio of water phase mass fraction: oil phase mass fraction = 85:15, it enters the emulsifier. The opening diameter of the nozzle is 2mm, which is a square hole. The filler is stainless steel wire mesh. The initial velocity of the water phase and oil phase is 10m / s, the initial velocity of the compensation water phase is 15m / s, the rotational speed of the annular filler is 1400rpm, the emulsifier is span80 and sodium dodecylbenzenesulfo...

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Abstract

The invention belongs to the technical field of emulsified paraffin preparation, and specifically relates to a process and device for continuously preparing emulsified paraffin, which solves the problems of intermittent operation, poor stability, high cost and high energy consumption in the current emulsified paraffin preparation. The method comprises the following steps: adding water in a hydrophilic emulsifier to form a water phase, adding paraffin in a lipophilic emulsifier to form an oil phase, dividing the water phase into two streams, taking oil phase as one stream for entering into an emulsifier, primarily emulsifying, then entering in an annular filling material with high speed rotation to form an oil-in-water emulsified paraffin solution. The device comprises a paraffin emulsifier and a heating and insulating device, the paraffin emulsifier comprises a shell, the netted annular filling material and a liquid distributor; the liquid distributor comprises a water phase nozzle I,a water phase nozzle II and an oil phase nozzle. The device of the invention has the advantages of simple structure, easy operation and low energy consumption, and is capable of preparing the emulsified paraffin with good stability, uniform particle size and high quality.

Description

technical field [0001] The invention belongs to the technical field of emulsified paraffin preparation, in particular to a process and device for continuously preparing emulsified paraffin. Background technique [0002] The full name of paraffin is petroleum wax, which is flaky or needle-like crystals obtained from lubricating oil distilled from crude oil distillation through solvent refining, solvent dewaxing, and then solvent deoiling and refining. Paraffin wax is widely used and biodegradable, which has better environmental performance than other alternatives (plastic products such as polyethylene). However, since paraffin is solid at room temperature, it cannot meet the diversity of uses or is inconvenient to apply, so people study emulsified paraffin to make up for its deficiency. Emulsified paraffin is a homogeneous fluid containing wax and water formed by paraffin under the action of emulsifier and mechanical agitation. Because the production process of emulsified wa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J3/03C08L91/06
Inventor 刘有智焦纬洲祁贵生袁志国栗秀萍申红艳冯国琳
Owner ZHONGBEI UNIV
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